Information signal recording/reproducing system, information signal recording device, information signal reproducing device and information signal recording/reproducing process

Claim 2

An information signal recording/reproducing system using a recording medium having formed thereon an area different from an area for recording information signals and in which medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded and including a recording device for recording the information signals on the recording medium and a reproducing device for reproducing the information signals recorded on the recording medium, the recording device comprising: recording-side medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; information adding means for adding the medium-related information read by the recording-side medium-related information reading means to the information signals; and recording means for recording the information signals to which the medium-related information has been added by the information adding means on the recording medium; the reproducing device comprising: reproducing-side medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; information signal reading means for reading the information signals from the recording medium; detecting means for detecting the medium-related information added to the information signals in the information signals read by the information signal reading means; determining means for determining whether the medium-related information from the reproducing-side medium-related information reading means is consistent with the medium-related information detected by the detecting means; and control means for prohibiting the reproduction of the information signals if the medium-related information from the reproducing-side medium-related information reading means is not consistent with the medium-related information detected by the detecting means.

Claim 3

The information signal recording/reproducing system according to claim 1 , wherein the information adding means comprises spreading means for spectrum-spreading the medium related information from the recording-side medium-related information reading means, and means for superimposing the medium-related information spectrum-spread by the spreading means on the information signals to be recorded, and the detecting means comprises means for picking up the medium-related information spectrum-spread and superimposed on the information signals by performing inverse spectrum-spreading.

Claim 4

The information signal recording/reproducing system according to claim 1 , wherein the information adding means comprises signal level converting means for converting the medium-related information from the recording-side medium-related information reading means into a minute level signal, and means for adding the medium-related information converted into the minute level signal by the signal level converting means to the information signals to be recorded, and the detecting means comprises means for picking up the medium-related information added to the information signals as the minute level signal.

Claim 5

The information signal recording/reproducing system according to claim 1 , wherein the information adding means comprises enciphering means for enciphering the medium-related information from the recording-side medium-related information reading means, and means for adding the medium-related information enciphered by the enciphering means to the information signals to be recorded, and the detecting means in the reproducing device comprises means for extracting and decoding the medium-related information enciphered and added to the information signals, so as to pick up the medium-related information added to the information signals.

Claim 6

The information signal recording/reproducing system according to claim 1 , wherein the reproducing device comprises information signal erasing means for erasing the information signals recorded on the recording medium when the medium-related information from the reproducing-side medium-related information reading means is not consistent with the medium-related information from the detecting means.

Claim 7

The information signal recording/reproducing system according to claim 1 , wherein the reproducing device comprises informing means for informing a user that the information signals are not reproduced when the determined result from the determining means indicates that the medium-related information from the reproducing-side medium-related information reading means is not consistent with the medium-related information from the detecting means.

Claim 8

An information signal recording/reproducing system using a recording medium having formed thereon an area different from an area for recording information signals and in which recording medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded and including a recording device for recording the information signals on the recording medium and a reproducing device for reproducing the information signals recorded on the recording medium, the recording device comprising: recording-side medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; additional information conversion means for converting additional information on the basis of the medium-related information from the recording-side medium-related information reading means; information adding means for adding the additional information converted by the additional information conversion means to the information signals; and recording means for recording the information signals to which the additional information is added on the recording medium; the reproducing device comprising: reproducing-side medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; information signal reading means for reading the information signals from the recording medium; additional information detecting means for detecting the additional information added to the information signals on the basis of the medium-related information read by the reproducing-side medium-related information reading means; and control means for prohibiting the reproduction of the information signals if the additional information added to the information signals is not detected by the additional information detecting means.

Claim 9

An information signal recording/reproducing system using a recording medium having formed thereon an area different from an area for recording information signals and in which recording medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded and including a recording device for recording the information signals on the recording medium and a reproducing device for reproducing the information signals recorded on the recording medium, the recording device comprising: recording-side medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; additional information conversion means for converting additional information on the basis of the medium-related information from the recording-side medium-related information reading means; information adding means for adding the additional information converted by the additional information conversion means to the information signals; and recording means for recording the information signals to which the additional information is added on the recording medium; the reproducing device comprising: reproducing-side medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; information signal reading means for reading the information signals from the recording medium; additional information detecting means for detecting the additional information added to the information signals on the basis of the medium-related information read by the reproducing-side medium-related information reading means; and control means for prohibiting the reproduction of the information signals if the additional information added to the information signals is not detected by the additional information detecting means.

Claim 10

The information signal recording/reproducing system according to claim 7 , wherein the additional information conversion means comprises means for enciphering the additional information by using the medium-related information from the recording-side medium-related information reading means, and the additional information detecting means comprises means for detecting the additional information added to the information signals from the information signal reading means by using the medium-related information from the reproducing-side medium-related information reading means.

Claim 11

The information signal recording/reproducing system according to claim 7 , wherein the reproducing device further comprises information signal erasing means for erasing the information signals recorded on the recording medium when the additional information cannot be detected from the information signals by the additional information detecting means.

Claim 12

The information signal recording/reproducing system according to claim 7 , wherein the reproducing device comprises informing means for informing a user that the information signals are not reproduced when the additional information cannot be detected from the information signals by the additional information detecting means.

Claim 13

An information signal recording device for recording information signals on a recording medium having thereon an area different from an area for recording the information signals and in which medium-related information is recorded or having a unit accompanying the recording medium in which the medium-related information is recorded the recording device comprising: medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; information adding means for adding the medium-related information read by the medium-related information reading means to the information signals; and recording means for recording the information signals to which the medium-related information has been added by the information adding means on the recording medium.

Claim 14

An information signal recording device for recording information signals on a recording medium having thereon an area different from an area for recording the information signals and in which medium-related information is recorded or having a unit accompanying the recording medium in which the medium-related information is recorded the recording device comprising: medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; information adding means for adding the medium-related information read by the medium-related information reading means to the information signals; and recording means for recording the information signals to which the medium-related information has been added by the information adding means on the recording medium.

Claim 15

The information signal recording device according to claim 11 , further comprising spreading means for spectrum-spreading the medium-related information from the medium-related information reading means, and the adding means comprises means for superimposing the medium-related information spectrum-spread by the spreading means on the information signals to be recorded.

Claim 16

The information signal recording device according to claim 11 , further comprising signal level converting means for converting the medium-related information from the medium-related information reading means into a minute level signal, and the information adding means comprises means for adding the medium-related information converted into the minute level signal by the signal level converting means to the information signals to be recorded.

Claim 17

The information signal recording device according to claim 11 , further comprising enciphering means for enciphering the medium-related information from the medium-related information reading means, and the information adding means comprises means for adding the medium-related information enciphered by the enciphering means to the information signals to be recorded.

Claim 18

An information signal recording device for recording information signals on a recording medium having formed thereon an area different from an area for recording the information signals and in which medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded, the recording device comprising: medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; additional information generating means for generating additional information on the basis of the medium-related information from the medium-related information reading means; information adding means for adding the additional information generated by the additional information generating means to the information signals; and recording means for recording the information signals to which the additional information has been added by the information adding means on the recording medium.

Claim 19

An information signal recording device for recording information signals on a recording medium having formed thereon an area different from an area for recording the information signals and in which medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded, the recording device comprising: medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; additional information generating means for generating additional information on the basis of the medium-related information from the medium-related information reading means; information adding means for adding the additional information generated by the additional information generating means to the information signals; and recording means for recording the information signals to which the additional information has been added by the information adding means on the recording medium.

Claim 20

The information signal recording device according to claim 15 , wherein the additional information generating means comprises means for generating the additional information by using the medium-related information from the medium-related information reading means as an enciphering key to carry out enciphering.

Claim 21

An information signal reproducing device for reproducing information signals to which medium-related information has been added and which are recorded on a recording medium having formed thereon an area different from an area for recording the information signals and in which the medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded, the reproducing device comprising: medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; information signal reading means for reading the information signals from the recording medium; detecting means for detecting the medium-related information added to the information signals in the information signals read by the information signal reading means; determining means for determining whether the medium-related information from the reproducing-side medium-related information reading means is consistent with the medium-related information detected by the detecting means; and control means for prohibiting the reproduction of the information signals if the medium-related information from the reproducing side medium-related information reading means is not consistent with the medium-related information detected by the detecting means.

Claim 22

An information signal reproducing device for reproducing information signals to which medium-related information has been added and which are recorded on a recording medium having formed thereon an area different from an area for recording the information signals and in which the medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded, the reproducing device comprising: medium-related information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; information signal reading means for reading the information signals from the recording medium; detecting means for detecting the medium-related information added to the information signals in the information signals read by the information signal reading means; determining means for determining whether the medium-related information from the reproducing-side medium-related information reading means is consistent with the medium-related information detected by the detecting means; and control means for prohibiting the reproduction of the information signals if the medium-related information from the reproducing side medium-related information reading means is not consistent with the medium-related information detected by the detecting means.

Claim 23

The information signal reproducing device according to claim 17 , wherein the medium-related information added to the information signals is spectrum-spread and superimposed on the information signals, and the detecting means comprises means for picking up the medium-related information that has been spectrum-spread and superimposed on the information signals by performing inverse spectrum-spreading.

Claim 24

The information signal reproducing device according to claim 17 , wherein the medium-related information added to the information signals is added as a minute level signal, and the detecting means comprises means for picking up the medium-related information added to the information signals as the minute signals.

Claim 25

The information signal reproducing device according to claim 17 , wherein the media-related information added to the information signals is enciphered so as to be added to the information signals, and the detecting means comprises means for picking up the medium-related information added to the information signals by extracting and decoding the medium-related information enciphered and added to the information signals.

Claim 26

The information signal reproducing device according to claim 17 , further comprising information signal erasing means for erasing the information signals recorded on the recording medium when the determined result from the determining means indicates that the medium-related information from the medium-related information reading means is not consistent with the medium-related information detected by the detecting means.

Claim 27

The information signal reproducing device according to claim 17 , further comprising informing means for informing a user that the information signals are not reproduced when the determined result from the determining means indicates that the medium-related information from the medium-related information reading means is not consistent with the medium-related information detected by the detecting means.

Claim 28

An information signal reproducing device for reproducing information signals to which medium-related information has been added and which are recorded on a recording medium having formed thereon an area different from an area for recording the information signals and in which the medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded, the reproducing device comprising: information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; information signal reading means for reading the information signals from the recording medium; additional information detecting means for detecting the additional information added to the information signals on the basis of the medium-related information read by information reading means; and control means for prohibiting the reproduction of the information signals the additional information added to the information signals is not detected by the additional information detecting means.

Claim 29

An information signal reproducing device for reproducing information signals to which medium-related information has been added and which are recorded on a recording medium having formed thereon an area different from an area for recording the information signals and in which the medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded, the reproducing device comprising: information reading means for reading the medium-related information from one of the recording medium and the unit accompanying the recording medium; information signal reading means for reading the information signals from the recording medium; additional information detecting means for detecting the additional information added to the information signals on the basis of the medium-related information read by information reading means; and control means for prohibiting the reproduction of the information signals the additional information added to the information signals is not detected by the additional information detecting means.

Claim 30

The information signal reproducing device according to claim 23 , wherein the information signals recorded on the recording medium are signals to which the additional information enciphered by using the medium-related information is added, and the additional information detecting means comprises means for detecting the additional information added to the information signals from the information signal reading means by decoding the enciphered additional information using the medium-related information from the information reading means.

Claim 31

The information signal reproducing device according to claim 23 , which comprises an information signal erasing means for erasing the information signals recorded on the recording medium when the additional information cannot be detected from the information signals by the additional information detecting means.

Claim 32

The information signal reproducing device according to claim 23 , further comprising informing means for informing a user that the information signals are not reproduced when the additional information cannot be detected from the information signals by the additional information detecting means.

Claim 33

An information signal recording/reproducing method for use with a recording medium having formed thereon an area different from an area for recording information signals and which in medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded and including a recording process for recording the information signals on the recording medium and a reproducing process for reproducing the information signals recorded on the recording medium and the recording process comprises: a recording-side medium-related information reading step of reading the medium-related information from one of the recording medium and the section accompanying the recording medium, an information adding step of adding the read out medium-related information to the information signals, and a recording step of recording the information signals to which the medium-related information has been added on the recording medium; and the reproducing process comprises: a reproducing-side medium-related information reading step of reading the medium-related information from one of the recording medium and the section accompanying the recording medium, an information signal reading step of reading the information signals from the recording medium, a detecting step of detecting the medium-related information added to the information signals from the information signals read out in the information signal reading step, a determining step of determining whether the medium-related information from the reproducing-side medium-related information reading step is consistent with the medium-related information detected in the detecting step, and a control step of prohibiting the reproduction of the information signals if the medium-related information from the reproducing-side medium-related information reading step is not consistent with the medium-related information detected in the detecting step.

Claim 34

An information signal recording/reproducing method for use with a recording medium having formed thereon an area different from an area for recording information signals and which in medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded and including a recording process for recording the information signals on the recording medium and a reproducing process for reproducing the information signals recorded on the recording medium and the recording process comprises: a recording-side medium-related information reading step of reading the medium-related information from one of the recording medium and the section accompanying the recording medium, an information adding step of adding the read out medium-related information to the information signals, and a recording step of recording the information signals to which the medium-related information has been added on the recording medium; and the reproducing process comprises: a reproducing-side medium-related information reading step of reading the medium-related information from one of the recording medium and the section accompanying the recording medium, an information signal reading step of reading the information signals from the recording medium, a detecting step of detecting the medium-related information added to the information signals from the information signals read out in the information signal reading step, a determining step of determining whether the medium-related information from the reproducing-side medium-related information reading step is consistent with the medium-related information detected in the detecting step, and a control step of prohibiting the reproduction of the information signals if the medium-related information from the reproducing-side medium-related information reading step is not consistent with the medium-related information detected in the detecting step.

Claim 35

The information signal recording/reproducing method according to claim 27 , wherein the information adding step comprises a spreading step of spectrum-spreading the medium-related information read out in the recording-side medium-related information reading step, and a step of superimposing the medium-related information spectrum-spread in the spreading step on the information signals to be recorded, and the detecting step comprises a step of picking up the medium-related information spectrum-spread and superimposed on the information signals by inverse spectrum-spreading.

Claim 36

The information signal recording/reproducing method according to claim 27 , wherein the information adding step comprises a signal level converting step of converting the medium-related information read out in the recording-side medium-related information reading step into a minute level signal, and a step of adding the medium-related information converted into the minute level signal in the signal level converting step is added to the information signals to be recorded and the detecting step comprises a step of picking up the medium-related information added to the information signals as the minute level signal.

Claim 37

The information signal recording/reproducing method according to claim 27 , the information adding step comprises an enciphering step of enciphering the medium-related information from the medium-related information reading step in the recording process, wherein and a step of adding the medium-related information enciphered in the enciphering step is added to the information signals to be recorded, and the detecting step comprises a step of extracting and decoding the medium-related information enciphered and added to the information signals so as to pick up the medium-related information added to the information signals.

Claim 38

The information signal recording/reproducing method according to claim 27 , further comprising an information signal erasing step for erasing the information signals recorded on the recording medium to be reproduced when the determined result from the determining step indicates that the medium-related information from the reproducing-side medium-related information reading step is not consistent with the medium-related information from the detecting step.

Claim 39

The information signal recording/reproducing method according to claim 27 , further comprising an informing step of informing a user that the information signals are not reproduced when the determined result from the determining step indicates that the medium-related information from the reproducing-side medium-related information reading step is not consistent with the medium-related information detected in the detecting step.

Claim 40

An information signal recording/reproducing method for use with a recording medium having formed thereon an area different from an area for recording information signals and in which medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded and including a recording process for recording the information signals on the recording medium and a reproducing process for reproducing the information signals recorded on the recording medium and the recording process comprises: a recording-side medium-related information reading step of reading the medium-related information from one of the recording medium and the unit accompanying the recording medium, an additional information conversion step of converting additional information on the basis of the medium-related information read out in the recording medium-related information reading step, an information adding step of adding the additional information converted in the additional information conversion step to the information signals, and a recording step of recording the medium-related information from the information signals to which the additional information has been added in the information adding step on the recording medium; and the reproducing process comprising: a reproducing-side medium-related information reading step of reading the medium-related information from one of the recording medium and the unit accompanying the recording medium, an information signal reading step of reading the information signals from the recording medium, an additional information detecting step of detecting the additional information added to the information signals on the basis of the medium-related information read in the reproducing-side medium-related information reading step, and a control step of prohibiting the reproduction of the information signals if the additional information added to the information signals is not detected in the additional information detecting step.

Claim 41

An information signal recording/reproducing method for use with a recording medium having formed thereon an area different from an area for recording information signals and in which medium-related information is recorded, or having a unit accompanying the recording medium in which the medium-related information is recorded and including a recording process for recording the information signals on the recording medium and a reproducing process for reproducing the information signals recorded on the recording medium and the recording process comprises: a recording-side medium-related information reading step of reading the medium-related information from one of the recording medium and the unit accompanying the recording medium, an additional information conversion step of converting additional information on the basis of the medium-related information read out in the recording medium-related information reading step, an information adding step of adding the additional information converted in the additional information conversion step to the information signals, and a recording step of recording the medium-related information from the information signals to which the additional information has been added in the information adding step on the recording medium; and the reproducing process comprising: a reproducing-side medium-related information reading step of reading the medium-related information from one of the recording medium and the unit accompanying the recording medium, an information signal reading step of reading the information signals from the recording medium, an additional information detecting step of detecting the additional information added to the information signals on the basis of the medium-related information read in the reproducing-side medium-related information reading step, and a control step of prohibiting the reproduction of the information signals if the additional information added to the information signals is not detected in the additional information detecting step.

Claim 42

The information signal recording/reproducing method according to claim 33 wherein, the recording medium, in the additional information conversion step comprises a step of enciphering the additional information using the medium-related information from the medium-related information reading step, and, the additional information detecting step comprises a step of detecting the additional information added to the information signals from the information signal reading step by detecting the enciphered additional information using the medium-related information from the reproducing-side medium-related information reading step.

Claim 43

The information signal recording/reproducing method according to claim 33 , further comprising an information signal erasing step of erasing the information signals recorded on the recording medium when the additional information cannot be detected from the information signals in the additional information detecting step.

Claim 44

The information signal recording/reproducing process according to claim 33 , further comprising an informing step of informing a user that the information signals are not reproduced when the additional information cannot be detected from the information signals by the additional information detecting step.

Claim 45

An information signal recording/reproducing system having a recording device for recording information signals on a recording medium and a reproducing device for reproducing the information signals recorded on the recording medium the recording device comprising: a recording-side device-related information obtaining means for obtaining device-related information related to recording the device for recording the information signals, information adding means for adding the device-related information obtained by the recording-side device-related information obtaining means to the information signals; recording means for recording the information signals to which the device-related information has been added by the information adding means on the recording medium; and the reproducing device comprising: reproducing-side device-related information obtaining means for obtaining device-related information related to the reproducing device for reproducing the information signals; information signal reading means for reading the information signals from the recording medium; detecting means for detecting the device-related information added to the information signals from the information signal reading means; determining means for determining whether the device-related information from the reproducing-side device-related information obtaining means is consistent with the device-related information detected by the detecting means; and control means for prohibiting the reproduction of the information signals if the device-related information from the reproducing-side device-related information obtaining means is not consistent with the device-related information detected by the detecting means.

Claim 46

An information signal recording/reproducing system having a recording device for recording information signals on a recording medium and a reproducing device for reproducing the information signals recorded on the recording medium the recording device comprising: a recording-side device-related information obtaining means for obtaining device-related information related to recording the device for recording the information signals, information adding means for adding the device-related information obtained by the recording-side device-related information obtaining means to the information signals; recording means for recording the information signals to which the device-related information has been added by the information adding means on the recording medium; and the reproducing device comprising: reproducing-side device-related information obtaining means for obtaining device-related information related to the reproducing device for reproducing the information signals; information signal reading means for reading the information signals from the recording medium; detecting means for detecting the device-related information added to the information signals from the information signal reading means; determining means for determining whether the device-related information from the reproducing-side device-related information obtaining means is consistent with the device-related information detected by the detecting means; and control means for prohibiting the reproduction of the information signals if the device-related information from the reproducing-side device-related information obtaining means is not consistent with the device-related information detected by the detecting means.

Claim 47

The information signal recording/reproducing system according to claim 37 , wherein the recording device further comprises recording-side auxiliary recording medium setting means into which an auxiliary recording medium is set, and wherein the recording-side device-related information obtaining means comprises means for obtaining the device-related information from the auxiliary recording medium set into the recording-side auxiliary recording medium setting means, and the reproducing device further comprises reproducing-side auxiliary recording medium setting means into which the auxiliary recording medium is set, wherein the reproducing-side information obtaining means comprises means for obtaining the device-related information from the auxiliary recording medium set to the reproducing-side auxiliary recording medium setting means.

Claim 48

The information signal recording/reproducing system according to claim 37 , wherein the information adding means comprises spreading means for spectrum-spreading the device-related information from the recording-side device-related information obtaining means, and means for superimposing the device-related information spectrum-spread by the spreading means on the information signals to be recorded, and the detecting means comprises means for picking up the device-related information spectrum-spread and superimposed on the information signals by inverse spectrum-spreading.

Claim 49

The information signal recording/reproducing system according to claim 37 , wherein the information adding means comprises signal level converting means for converting the device-related information from the recording-side device-related information obtaining means into a minute level signal, and means for adding the device-related information converted into the minute level signal by the signal level converting means to the information signals to be recorded, and the detecting means comprises means for picking up device-related information added to the information signals, as the minute level signal.

Claim 50

The information signal recording/reproducing system according to claim 37 , wherein the information adding means comprises enciphering means for enciphering the device-related information from the recording-side device-related information obtaining means, and means for adding the device-related information enciphered by the enciphering means to the information signals to be recorded, and the detecting means comprises means for extracting and decoding the device-related information enciphered and added to the information signals, so as to pick up the device-related information added to the information signals.

Claim 51

The information signal recording/reproducing system according to claim 37 , wherein the reproducing device further comprises information signal erasing means for erasing the information signals recorded on the recording medium when the determined result from the determining means indicates that the device-related information from the reproducing-side device-related information obtaining means is not consistent with the device-related information detected by the detecting means.

Claim 52

The information signal recording/reproducing system according to claim 37 , wherein the reproducing device further comprises informing means for informing a user that the information signals are not reproduced when the determined result from the determining means indicates that the device-related information from the reproducing side device-related information obtaining means is not consistent with the device-related information detected by the detecting means.

Claim 53

An information signal recording/reproducing system having a recording device for recording information signals on a recording medium and a reproducing device for reproducing the information signals recorded on the recording medium, the recording device comprising: recording-side device-related information obtaining means for obtaining device-related information related to the recording device for recording the information signals; additional information conversion means for converting additional information on the basis of the device-related information from the recording-side device-related information obtaining means; information adding means for adding the additional information converted by the additional information conversion means to the information signals; and recording means for recording the information signals to which the additional information is added by the information adding means on the recording medium; and the reproducing device comprising: reproducing-side device-related information obtaining means for obtaining device-related information related to the reproducing device for reproducing the information signals; information signal reading means for reading the information signals from the recording medium; additional information detecting means for detecting the additional information added to the information signals from the information signal reading means, on the basis of the device-related information obtained by the reproducing-side device-related information obtaining means; and reproducing control means for prohibiting the reproduction of the information signals if the additional information added to the information signals is not detected by the additional information detecting means.

Claim 54

An information signal recording/reproducing system having a recording device for recording information signals on a recording medium and a reproducing device for reproducing the information signals recorded on the recording medium, the recording device comprising: recording-side device-related information obtaining means for obtaining device-related information related to the recording device for recording the information signals; additional information conversion means for converting additional information on the basis of the device-related information from the recording-side device-related information obtaining means; information adding means for adding the additional information converted by the additional information conversion means to the information signals; and recording means for recording the information signals to which the additional information is added by the information adding means on the recording medium; and the reproducing device comprising: reproducing-side device-related information obtaining means for obtaining device-related information related to the reproducing device for reproducing the information signals; information signal reading means for reading the information signals from the recording medium; additional information detecting means for detecting the additional information added to the information signals from the information signal reading means, on the basis of the device-related information obtained by the reproducing-side device-related information obtaining means; and reproducing control means for prohibiting the reproduction of the information signals if the additional information added to the information signals is not detected by the additional information detecting means.

Claim 55

The information signal recording/reproducing system according to claim 44 , wherein the recording device further comprises recording-side auxiliary recording medium setting means into which an auxiliary recording medium is set, wherein the recording-side device-related information obtaining means comprises means for obtaining the device-related information from the auxiliary recording medium set to the recording-side auxiliary recording medium setting means, the reproducing device comprises reproducing-side auxiliary recording medium setting means to which the auxiliary recording medium is set, and the reproducing-side device-related information obtaining means comprises means for obtaining the device-related information from the auxiliary recording medium set to the reproducing-side auxiliary recording medium setting means.

Claim 56

The information signal recording/reproducing system according to claim 44 , wherein the additional information conversion means comprises means for enciphering the additional information by using the device-related information from the recording-side device-related information obtaining means, and the additional information detecting means comprises means for detecting the additional information added to the information signals from the information signal reading means by decoding the enciphered additional information using the device-related information from the reproducing-side device-related information obtaining means.

Claim 57

The information signal recording/reproducing system according to claim 44 , wherein the reproducing device further comprises information signal erasing means for erasing the information signals recorded on the recording medium when the additional information cannot be detected from the information signals by the additional information detecting means.

Claim 58

The information signal recording/reproducing system according to claim 44 , wherein the reproducing device further comprises informing means for informing a user that the information signals are not reproduced when the additional information cannot be detected from the information signals by the additional information detecting means.

Claim 59

An information signal recording device for adding device-related information related to the recording device to information signals to be recorded on a recording medium and for recording resultant signals on the recording medium, the recording device comprising: device-related information obtaining means for obtaining the device-related information; information adding means for adding the device-related information obtained by the device-related information obtaining means to the information signals; and recording means for recording the information signals to which the device-related information has been added by the information adding means on the recording medium.

Claim 60

An information signal recording device for adding device-related information related to the recording device to information signals to be recorded on a recording medium and for recording resultant signals on the recording medium, the recording device comprising: device-related information obtaining means for obtaining the device-related information; information adding means for adding the device-related information obtained by the device-related information obtaining means to the information signals; and recording means for recording the information signals to which the device-related information has been added by the information adding means on the recording medium.

Claim 61

The information signal recording device according to claim 49 , further comprising auxiliary recording medium setting means into which an auxiliary recording medium is set, wherein the medium-related information obtaining means comprises means for obtaining the device-related information from the auxiliary recording medium set into the auxiliary recording medium setting means.

Claim 62

The information signal recording device according to claim 49 , further comprising spreading means for spectrum-spreading the device-related information from the device-related information obtaining means, wherein the information adding means comprises means for superimposing the device-related information spectrum-spread by the spreading means on the information signals to be recorded.

Claim 63

The information signal recording device according to claim 49 , further comprising signal level converting means for converting the device-related information from the device-related information obtaining means into a minute level signal, wherein the information adding means comprises means for adding the device-related information converted into the minute level signal by the signal level converting means to the information signals to be recorded.

Claim 64

The information signal recording/reproducing device according to claim 49 , further comprising enciphering means for enciphering the device-related information from the device-related information obtaining means, wherein the information adding mean comprises means for adding the device-related information enciphered by the enciphering means to the information signals to be recorded.

Claim 65

An information signal recording device for adding additional information generated on the basis of device-related information related to the recording device to information signals to be recorded on a recording medium and for recording resultant signals on the recording medium, comprising: device-related information obtaining means for obtaining device-related information related to the recording device for recording the information signals; additional information generating means for generating additional information on the basis of the device-related information from the device-related information obtaining means; information adding means for adding the additional information generated by the additional information generating means to the information signals; and recording means for recording the information signals to which the additional information has been added by the information adding means on the recording medium.

Claim 66

An information signal recording device for adding additional information generated on the basis of device-related information related to the recording device to information signals to be recorded on a recording medium and for recording resultant signals on the recording medium, comprising: device-related information obtaining means for obtaining device-related information related to the recording device for recording the information signals; additional information generating means for generating additional information on the basis of the device-related information from the device-related information obtaining means; information adding means for adding the additional information generated by the additional information generating means to the information signals; and recording means for recording the information signals to which the additional information has been added by the information adding means on the recording medium.

Claim 67

The information signal recording device according to claim 54 , further comprising auxiliary recording medium setting means into which an auxiliary recording medium is set, and wherein the device-related information obtaining means comprises means for obtaining the device-related information from the auxiliary recording medium set into the auxiliary recording medium setting means.

Claim 68

The information signal recording device according to claim 54 , wherein the additional information generating means comprises means for using the device-related information from the device-related information obtaining means as an enciphering key so as to generate the additional information.

Claim 69

An information signal reproducing device for reproducing information signals to which device-related information related to a recording device has been added and which are recorded on a recording medium, the reproducing device comprising: device-related information obtaining means for obtaining device-related information related to the reproducing device for reproducing the information signals; information signal reading means for reading the information signals from the recording medium; detecting means for detecting the device-related information added to the information signals from the information signal reading means; determining means for determining whether the device-related information from the device-related information obtaining means is consistent with the device-related information detected by the detecting means; and control means for controlling prohibiting the reproduction of the information signals if the device-related information from the reproducing-side device-related information obtaining means is not consistent with the device-related information detected by the detecting means.

Claim 70

An information signal reproducing device for reproducing information signals to which device-related information related to a recording device has been added and which are recorded on a recording medium, the reproducing device comprising: device-related information obtaining means for obtaining device-related information related to the reproducing device for reproducing the information signals; information signal reading means for reading the information signals from the recording medium; detecting means for detecting the device-related information added to the information signals from the information signal reading means; determining means for determining whether the device-related information from the device-related information obtaining means is consistent with the device-related information detected by the detecting means; and control means for controlling prohibiting the reproduction of the information signals if the device-related information from the reproducing-side device-related information obtaining means is not consistent with the device-related information detected by the detecting means.

Claim 71

The information signal reproducing device according to claim 57 further comprising auxiliary medium setting means to which an auxiliary recording medium is set, wherein the device-related information obtaining means comprises means for obtaining the device-related information from the auxiliary recording medium set to the auxiliary recording medium setting means.

Claim 72

The information signal reproducing device according to claim 57 , wherein the device-related information added to the information signals is spectrum-spread and superimposed on the information signals, and wherein the detecting means comprises means for picking up the device-related information spectrum-spread and superimposed on the information signals by inverse spectrum-spreading.

Claim 73

The information signal reproducing device according to claim 57 , wherein the device-related information added to the information signals is added, as a minute level signal, and the detecting means comprises means for picking up device-related information added to the information signals as the minute level signal.

Claim 74

The information signal reproducing device according to claim 57 , wherein the additional information added to the information signals is enciphered and added to the information signals, and wherein the detecting means comprises means for extracting and decoding the device-related information enciphered and added to the information signals, so as to pickup the device-related information added to the information signals.

Claim 75

The information signal reproducing device according to claim 57 , further comprising information signal erasing means for erasing the information signals recorded on the recording medium when the determined result from the determining means indicates that the device-related information from the device-related information obtaining means is not consistent with the device-related information detected by the detecting means.

Claim 76

The information signal reproducing device according to claim 57 , further comprising informing means for informing a user that the information signals are not reproduced when the determined result from the determining means indicates that the device-related information from the reproducing-side device-related information obtaining means is not consistent with the device-related information detected by the detecting means.

Claim 77

An information signal reproducing device for reproducing information signals to which device-related information related to a recording device has been added and which are recorded on a recording medium, the reproducing device comprising: device-related information obtaining means for obtaining the device-related information related to the reproducing device for recording the information signals; information signal reading means for reading the information signals from the recording medium; additional information detecting means for detecting the additional information added to the information signals from the information signal reading means on the basis of the device-related information obtained by the device-related information obtaining means; and control means for prohibiting the reproduction of the information signals if the additional information added to the information signals is not detected by the additional information detecting means.

Claim 78

An information signal reproducing device for reproducing information signals to which device-related information related to a recording device has been added and which are recorded on a recording medium, the reproducing device comprising: device-related information obtaining means for obtaining the device-related information related to the reproducing device for recording the information signals; information signal reading means for reading the information signals from the recording medium; additional information detecting means for detecting the additional information added to the information signals from the information signal reading means on the basis of the device-related information obtained by the device-related information obtaining means; and control means for prohibiting the reproduction of the information signals if the additional information added to the information signals is not detected by the additional information detecting means.

Claim 79

The information signal reproducing device according to claim 64 , further comprising auxiliary recording medium setting means to which an auxiliary recording medium is set, wherein the device-related information obtaining means comprises means for obtaining the device-related information from the auxiliary recording medium set to the recording-side auxiliary recording medium setting means.

Claim 80

The information signal reproducing device according to claim 64 , wherein the additional information added to the information signals is enciphered by using the device-related information, and wherein the additional information detecting means comprises means for detecting the additional information added to the information signals from the information signals reading means by decoding the enciphered additional information using the device-related information from the device-related information obtaining means.

Claim 81

The information signal reproducing device according to claim 64 , further comprising information signal erasing means for erasing the information signals recorded on the recording medium when the additional information cannot be detected from the information signals by the additional information detecting means.

Claim 82

The information signal reproducing device according to claim 64 , further comprising informing means for informing a user that the information signals are not reproduced when the additional information cannot be detected from the information signals by the additional information detecting means.

Claim 83

An information signal recording/reproducing method comprising a recording process for recording information signals on a recording medium and a reproducing process for reproducing the information signals recorded on the recording medium wherein the recording process comprises a recording-side device-related information obtaining step of obtaining device-related information related to a recording device used for recording the information signals, a information adding step of adding the device-related information obtained by the recording-side device-related information obtaining step to the information signals, and a recording step of recording the information signals to which the device-related information has been added in the information adding step on the recording medium; and the reproducing process comprising a reproducing-side device-related information obtaining step of obtaining device-related information related to a reproducing device used for reproducing the information signals, an information signal reading step of reading the information signals from the recording medium, a detecting step of detecting the device-related information added to the information signals from the information signal reading step, a determining step of determining whether the device-related information from the reproducing-side device-related information obtaining step is consistent with the device-related information from the detecting step, and control step for prohibiting the reproduction of the information signals if the device-related information from the reproducing-side device-related information obtaining step is not consistent with the device-related information from the detecting step.

Claim 84

An information signal recording/reproducing method comprising a recording process for recording information signals on a recording medium and a reproducing process for reproducing the information signals recorded on the recording medium wherein the recording process comprises a recording-side device-related information obtaining step of obtaining device-related information related to a recording device used for recording the information signals, a information adding step of adding the device-related information obtained by the recording-side device-related information obtaining step to the information signals, and a recording step of recording the information signals to which the device-related information has been added in the information adding step on the recording medium; and the reproducing process comprising a reproducing-side device-related information obtaining step of obtaining device-related information related to a reproducing device used for reproducing the information signals, an information signal reading step of reading the information signals from the recording medium, a detecting step of detecting the device-related information added to the information signals from the information signal reading step, a determining step of determining whether the device-related information from the reproducing-side device-related information obtaining step is consistent with the device-related information from the detecting step, and control step for prohibiting the reproduction of the information signals if the device-related information from the reproducing-side device-related information obtaining step is not consistent with the device-related information from the detecting step.

Claim 85

The information signal recording/reproducing method according to claim 69 , wherein the information adding step comprises a spreading step of spectrum-spreading the device-related information from the recording-side device-related information obtaining step, and a step of superimposing the device-related information spectrum-spread in the spreading step is on the information signals to be recorded in the information adding step, and the detecting step comprises a step of picking up the device-related information spectrum-spread and superimposed on the information signals by inverse spectrum-spreading.

Claim 86

The information signal recording/reproducing method according to claim 69 , wherein the information adding step comprises a signal level converting step of converting the device-related information from the device-related information obtaining step into a minute level signal, and a step of adding the device-related information converted into the minute level signal in the signal level converting step to the information signals and a step of picking up the device-related information added to the information signals as the minute level signal.

Claim 87

The information signal recording/reproducing method according to claim 69 , the information adding step comprises an enciphering step of enciphering the device-related information from the recording-side device-related information obtaining step, and a step of adding the device-related information enciphered in the enciphering step to the information signals to be recorded, and the detecting step comprises a step of extracting and decoding the device related information enciphered and added to the information signals, so as to pick up the device-related information added to the information signals.

Claim 88

The information signal recording/reproducing method according to claim 69 , further comprising an information signal erasing step for erasing the information signals recorded on the recording device when the determined result from the determining step indicates that the device-related information obtained in the reproducing-side device-related information obtaining step is not consistent with the device-related information detected in the detecting step.

Claim 89

The information signal recording/reproducing method according to claim 69 , further comprising an informing step of informing a user that the information signals are not reproduced when the determined result from the determining step is that the device-related information from the reproducing-side device-related information reading step is not consistent with the device-related information detected in the detecting step.

Claim 90

An information signal recording/reproducing method comprising a recording process for recording information signals on a recording medium and for reproducing the information signals recorded on the recording medium the recording process comprises a recording-side device-related information obtaining step of obtaining device-related information related to a recording device used for recording the information signals, an additional information conversion step of converting additional information on the basis of the device-related information from the recording-side device-related information obtaining step, an information adding step of adding the additional information converted in the additional information conversion step to the information signals, and a recording step of recording the information signals to which the additional information has been added by the information adding step on the recording medium; and the method reproducing process comprises a reproducing-side medium-related information obtaining step of obtaining device-related information related to a reproducing device used for reproducing the information signals, an information signal reading step of reading the information signals from the recording medium, an additional information detecting step of detecting the additional information added to the information signals from the information signal reading step on the basis of the device-related information obtained in the reproducing-side device-related information obtaining step, and a control step for prohibiting the reproduction of the information signals if the additional information added to the information signals is not detected by the additional information detecting step.

Claim 91

An information signal recording/reproducing method comprising a recording process for recording information signals on a recording medium and for reproducing the information signals recorded on the recording medium the recording process comprises a recording-side device-related information obtaining step of obtaining device-related information related to a recording device used for recording the information signals, an additional information conversion step of converting additional information on the basis of the device-related information from the recording-side device-related information obtaining step, an information adding step of adding the additional information converted in the additional information conversion step to the information signals, and a recording step of recording the information signals to which the additional information has been added by the information adding step on the recording medium; and the method reproducing process comprises a reproducing-side medium-related information obtaining step of obtaining device-related information related to a reproducing device used for reproducing the information signals, an information signal reading step of reading the information signals from the recording medium, an additional information detecting step of detecting the additional information added to the information signals from the information signal reading step on the basis of the device-related information obtained in the reproducing-side device-related information obtaining step, and a control step for prohibiting the reproduction of the information signals if the additional information added to the information signals is not detected by the additional information detecting step.