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EP0376756A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Recording/reproducing device

Assignee: Sharp Corp
•
Filing: 1989-12-29
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Granted: —
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Expires: 2009-12-29
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Abstract

Abstract The device records and reproduces on a rewritable recording medium which comprises absolute addresses, a sound information recording region for recording sound information entered thereto from outside and a TOC area for recording additional information on the sound information recorded in the sound information recording region, and the device is composed of an optical head as well as a magnetic coil for recording silencing information or fading information in the TOC area each of which respectively specifies that a desired range in a sound information recording region should be erased or fade-in/fade-out operation adjacent to the recording start/end position of desired sound information should be executed in reproducing sound information in the sound information region, a TOC memory wherein the silencing information or the fading information read from the TOC area is stored when the recording medium is placed in the device, a muting circuit which performs the silencing operation within the range specified by the silencing information stored in the TOC memory or a fading circuit which performs the fade-in/fade-out operation according to the fading information stored in the TOC memory, and with the above-mentioned composition, the device is characterized in that reproductions of unnecessary sound information can be prevented, a proper pause time can be set among melodies, and difficult volume adjusting operations are unnecessary in recording.

Inventors

  • 👤 Shigemi Maeda
  • 👤 Shigeo Terashima

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 16:40
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/02; G11B27/031; G11B27/034; G11B20/00; G11B20/10; G11B20/14; G11B11/00; G11B11/10; G11B11/105; G11B11/1055; G11B11/10556; G11B11/10563; G11B11/10595; G11B27/036; G11B27/10; G11B27/102; G11B27/105; G11B27/11; G11B27/19; G11B27/28; G11B27/32; G11B27/327; G11B27/329; G11B27/36; G11B7/00; G11B7/24; G11B7/2407; G11B7/24085; G11B2220/00; G11B2220/20; G11B2220/21; G11B2220/215; G11B2220/216; G11B2220/25; G11B2220/2525; G11B2220/2529; G11B2220/2537; G11B2220/2545; G11B2220/60; G11B2220/65; G11B2220/90; G11B2220/91; G11B2220/913; G11B27/30; G11B27/3027; G11B27/3063

Claims Analysis

Total Claims: 38
Claim 1
Independent Claim 131 words
A recording/reproducing device for recording and reproducing on a rewritable recording medium which comprises absolute addresses, an information recording region for recording information entered thereto from outside and a TOC area for recording additional information on said information recorded in said information recording region, and said device being composed of: recording means for recording additional operation information in said TOC area as additional information for giving instructions for desired additional operations in reproducing said information in the information recording region, memory means for storing said additional operation information read from said TOC area therein in placing said recording medium in the device, and additional operation means for performing the additional operations instructed by said additional operation information stored in said memory means in reproducing the information in said information recording region.
Claim 2
Dependent Claim 131 words
A recording/reproducing device for recording and reproducing on a rewritable recording medium which comprises absolute addresses, an information recording region for recording information entered thereto from outside and a TOC area for recording additional information on said information recorded in said information recording region, and said device being composed of: recording means for recording additional operation information in said TOC area as additional information for giving instructions for desired additional operations in reproducing said information in the information recording region, memory means for storing said additional operation information read from said TOC area therein in placing said recording medium in the device, and additional operation means for performing the additional operations instructed by said additional operation information stored in said memory means in reproducing the information in said information recording region.
Claim 3
Dependent Claim 36 words
A recording/reproducing device as set forth in claim 1, wherein said absolute addresses are formed on said recording medium so that the reflection factor of light may vary due to the phase change or the like.
Claim 4
Dependent Claim 20 words
A recording/reproducing device as set forth in claim 1, wherein said rewritable recording medium includes optical cards, magnetic tapes, etc.
Claim 5
Dependent Claim 35 words
A recording/reproducing device as set forth in claim 1, wherein said rewritable recording medium includes rewritable disks utilizing functions such as of magneto-optics or phase change or the like for recording as well as erasing.
Claim 6
Dependent Claim 58 words
A recording/reproducing device as set forth in claim 4, wherein the rewritable disk is provided with tracks thereon having spiral shape or concentric circle shape and on the tracks there are formed said absolute addresses in pit-like shape, said TOC area at innermost region of the tracks and a program area at outside region of the TOC area.
Claim 7
Dependent Claim 36 words
A recording/reproducing device as set forth in claim 5, wherein said absolute addresses are set in their intervals so that each of the addresses is reproduced once every second at a certain linear velocity in reproducing.
Claim 8
Dependent Claim 69 words
A recording/reproducing device as set forth in claim 5, wherein said absolute address comprises a preamble for synchronizing during the reproduction, an address mark for showing the head of the absolute address, an address number for showing the address which successively increases one by one from the innermost track of the rewritable recording disk and an error detection code for detecting errors when the address number is being detected.
Claim 9
Dependent Claim 63 words
A recording/reproducing device as set forth in claim 5, wherein information recorded in said TOC area as well as the program area is composed of frame synchronous signals, data fields with data of 24 bytes for music programs etc. and additional parity of 8 bytes for error detection and sub-codes for recording melody numbers as well as time information in each data field.
Claim 10
Dependent Claim 137 words
A recording/reproducing device for recording and reproducing on a rewritable recording medium which comprises absolute addresses, a sound information recording region for recording sound information entered thereto from outside and a TOC area for recording additional information on said sound information recorded in said sound information recording region, and said device being composed of: recording means for recording silencing information in said TOC area as additional information, which gives instructions for erasing sound information within a desired range in reproducing said sound information in the sound information recording region; memory means for reading and storing said silencing information thereto from said TOC area in placing said recording medium in the device; and silencing means for performing the silencing operations within a range instructed by said silencing information stored in said memory means in reproducing the sound information.
Claim 11
Dependent Claim 137 words
A recording/reproducing device for recording and reproducing on a rewritable recording medium which comprises absolute addresses, a sound information recording region for recording sound information entered thereto from outside and a TOC area for recording additional information on said sound information recorded in said sound information recording region, and said device being composed of: recording means for recording silencing information in said TOC area as additional information, which gives instructions for erasing sound information within a desired range in reproducing said sound information in the sound information recording region; memory means for reading and storing said silencing information thereto from said TOC area in placing said recording medium in the device; and silencing means for performing the silencing operations within a range instructed by said silencing information stored in said memory means in reproducing the sound information.
Claim 12
Dependent Claim 52 words
A recording/reproducing device as set forth in claim 9, wherein said recording means comprises an optical head which applies light beam onto an magneto-optical disk for recording or reproducing the information and a magnetic coil which is used to apply external magnetic fields according to the recording signals to said magneto-optical disk.
Claim 13
Dependent Claim 30 words
A recording/reproducing device as set forth in claim 9, wherein said memory means comprises a readable and writable TOC memory in which data recorded in the TOC area are stored.
Claim 14
Dependent Claim 45 words
A recording/reproducing device as set forth in claim 9, wherein said silencing means is composed of a controller which controls the whole recording/reproducing device and a muting circuit which executes the silencing process in accordance with silencing information from the controller in reproducing music programs.
Claim 15
Dependent Claim 54 words
A recording/reproducing device as set forth in claim 12, being composed of a D/A converter which converts digital data sequences into analog signals and the muting circuit which performs silencing process on the analog signals in accordance with the silencing information from the controller and releases them to outside units as analog output signals.
Claim 16
Dependent Claim 39 words
A recording/reproducing device as set forth in claim 12, wherein the muting circuit performs silencing process on digital data sequences in accordance with the silencing information from the controller and sends the processed digital signals to the D/A converter.
Claim 17
Dependent Claim 49 words
A recording/reproducing device as set forth in claim 9, wherein said silencing information contains information concerning silencing start positions as well as silencing time specified by the value of the absolute address which is reproduced at the time that the instruction is given during the reproduction for music programs.
Claim 18
Independent Claim 118 words
A method for entering said silencing information to a recording/reproducing device containing: a step wherein an operation key is pressed during the successive reproduction of music programs; a step wherein the value of an absolute address reproduced at the time that the operation key is pressed is recognized and the value of the recognized absolute address is entered into a TOC memory as a silencing start position; a step wherein the pressing of the operation key is removed; and a step wherein an absolute address at the time that the pressing of the operation key is released is recognized and the value of the recognized absolute address is entered into the TOC memory as a silencing end position.
Claim 19
Independent Claim 118 words
A method for entering said silencing information to a recording/reproducing device containing: a step wherein an operation key is pressed during the successive reproduction of music programs; a step wherein the value of an absolute address reproduced at the time that the operation key is pressed is recognized and the value of the recognized absolute address is entered into a TOC memory as a silencing start position; a step wherein the pressing of the operation key is removed; and a step wherein an absolute address at the time that the pressing of the operation key is released is recognized and the value of the recognized absolute address is entered into the TOC memory as a silencing end position.
Claim 20
Dependent Claim 136 words
A silencing method in a recording/reproducing device comprising: a step wherein the value of a reproduced absolute address is recognized during the reproduction of information recorded in a recording medium and the value of the recognized absolute address is determined if it is a silencing start position specified by silencing information; a silencing start step wherein a silencing operation is started by a muting circuit if it conforms to the silencing start position; a step wherein further judgement is continuously given whether or not there is any other music to be reproduced; a step wherein the reproducing operation is terminated if there is no music to be reproduced; and a next music reproducing step wherein, if there is another music to be reproduced, the silencing operation is complete and reproduction for the next music is executed.
Claim 21
Dependent Claim 136 words
A silencing method in a recording/reproducing device comprising: a step wherein the value of a reproduced absolute address is recognized during the reproduction of information recorded in a recording medium and the value of the recognized absolute address is determined if it is a silencing start position specified by silencing information; a silencing start step wherein a silencing operation is started by a muting circuit if it conforms to the silencing start position; a step wherein further judgement is continuously given whether or not there is any other music to be reproduced; a step wherein the reproducing operation is terminated if there is no music to be reproduced; and a next music reproducing step wherein, if there is another music to be reproduced, the silencing operation is complete and reproduction for the next music is executed.
Claim 22
Dependent Claim 67 words
A silencing method as set forth in claim 17, wherein said next music reproducing step contains: a step for recognizing the value of absolute addresses again and judging whether or not the value conforms to a silencing end position; and a next music access step for accessing the recording start position for the next music to be reproduced if the value conforms to the silencing end position.
Claim 23
Dependent Claim 85 words
A silencing method as set forth in claim 17, wherein said next music reproducing step contains: a step for holding reproducing run for the recording medium for a certain period of time corresponding to silencing time; a step for recognizing the value of the absolute addresses again and judging whether or not the recognized value conforms to the silencing end position; and a step for releasing the holding of the reproducing run for the recording medium if the value conforms to the silencing end position.
Claim 24
Dependent Claim 29 words
A silencing method as set forth in claim 19, the holding action is a pause action by track-jump once every one revolution of the disk controlled by the controller.
Claim 25
Dependent Claim 138 words
A recording/reproducing device for recording and reproducing on a rewritable recording medium which comprises absolute addresses, a sound information recording region for recording sound information entered thereto from outside and a TOC area for recording additional information on said sound information recorded in said sound information recording region, and said device being composed of: recording means for recording fading information in said TOC area as additional information, which fading information gives instructions for fade-in adjacent to the recording start position or for fade-out adjacent to the recording end position of a desired sound information; memory means wherein said fading information read from said TOC area is stored in placing said recording medium in the device; and fading means for carrying out fade-in/fade-out operations according to the fading information stored in said memory means in reproducing the sound information.
Claim 26
Dependent Claim 138 words
A recording/reproducing device for recording and reproducing on a rewritable recording medium which comprises absolute addresses, a sound information recording region for recording sound information entered thereto from outside and a TOC area for recording additional information on said sound information recorded in said sound information recording region, and said device being composed of: recording means for recording fading information in said TOC area as additional information, which fading information gives instructions for fade-in adjacent to the recording start position or for fade-out adjacent to the recording end position of a desired sound information; memory means wherein said fading information read from said TOC area is stored in placing said recording medium in the device; and fading means for carrying out fade-in/fade-out operations according to the fading information stored in said memory means in reproducing the sound information.
Claim 27
Dependent Claim 49 words
A recording/reproducing device as set forth in claim 21, wherein said recording means comprises an optical head which applies light beam to a magneto-optical disk to record or to reproduce information and a magnetic coil which applies external magnetic fields to the magneto optical disk corresponding to recording signals.
Claim 28
Dependent Claim 26 words
A recording/reproducing device as set forth in claim 21, wherein said memory means contains a rewritable TOC memory to record data stored in the TOC area.
Claim 29
Dependent Claim 41 words
A recording/reproducing device as set forth in claim 21, wherein said fading means comprises a controller which controls the whole recording/reproducing device and a fading circuit which performs fade-in/fade-out processes according to fading information from the controller in reproducing music programs.
Claim 30
Dependent Claim 52 words
A recording/reproducing device as set forth in claim 21, wherein said fading information contains information on the fade-in/fade-out start positions and their continuous time both of which conform to the respective values of the absolute addresses as being reproduced at the time that instructions are given during the reproduction of music programs.
Claim 31
Dependent Claim 29 words
A recording/reproducing device as set forth in claim 21, wherein said fading information contains information on absolute addresses showing the positions to execute fade-in/fade-out processes instructed by the user.
Claim 32
Dependent Claim 27 words
A recording/reproducing device as set forth in claim 21, wherein said fading information contains information on fade-in/fade-out processes entered by the user during recording of music programs.
Claim 33
Independent Claim 196 words
A method for entering fading information to a recording/reproducing device containing: a step wherein an operation key is pressed during the successive reproduction for music programs; a step wherein the value of an absolute address just reproduced at the time that the operation key is pressed is recognized and the value of the recognized absolute address is entered into a TOC memory as a silencing start position; a step wherein the value of an absolute address just reproduced at the time that the pressing of the operation key is released is recognized and the recognized value of the absolute address is entered to the TOC memory as a fade-in start position; a step wherein the value of an absolute address just reproduced at the time that an operation key is pressed is recognized and the recognized value of the absolute address is entered to the TOC memory as a fade-out start position; a step wherein the value of an absolute address just reproduced at the time that the pressing of the operation key is released is recognized and the recognized value of the absolute address is entered to the TOC memory as a silencing end position.
Claim 34
Independent Claim 196 words
A method for entering fading information to a recording/reproducing device containing: a step wherein an operation key is pressed during the successive reproduction for music programs; a step wherein the value of an absolute address just reproduced at the time that the operation key is pressed is recognized and the value of the recognized absolute address is entered into a TOC memory as a silencing start position; a step wherein the value of an absolute address just reproduced at the time that the pressing of the operation key is released is recognized and the recognized value of the absolute address is entered to the TOC memory as a fade-in start position; a step wherein the value of an absolute address just reproduced at the time that an operation key is pressed is recognized and the recognized value of the absolute address is entered to the TOC memory as a fade-out start position; a step wherein the value of an absolute address just reproduced at the time that the pressing of the operation key is released is recognized and the recognized value of the absolute address is entered to the TOC memory as a silencing end position.
Claim 35
Independent Claim 71 words
A method for fade-in/fade-out in a recording/reproducing device containing: a step for performing silencing operations when fade-in signals are on; a step for performing fade-in operations after the silencing operations; a step for judging whether or not fade-out signals are on; a step for performing fade-out operations when fade-out signals are on, and a step for performing silencing operations until the fade-out signals are off after the fade-out operations are over.
Claim 36
Independent Claim 71 words
A method for fade-in/fade-out in a recording/reproducing device containing: a step for performing silencing operations when fade-in signals are on; a step for performing fade-in operations after the silencing operations; a step for judging whether or not fade-out signals are on; a step for performing fade-out operations when fade-out signals are on, and a step for performing silencing operations until the fade-out signals are off after the fade-out operations are over.
Claim 37
Dependent Claim 85 words
A recording/reproducing apparatus for recording and reproducing on a rewritable recording medium having a main recording area and a TOC area for recording additional information relating to information recorded in said main recording area, the apparatus including means for recording into said TOC area additional operation information constituting instructions as to the desired manner of reproducing the information from said main area, and control means operable in a reproducing mode of the apparatus for adapting the reproducing operation in accordance with said additional operation information.
Claim 38
Dependent Claim 85 words
A recording/reproducing apparatus for recording and reproducing on a rewritable recording medium having a main recording area and a TOC area for recording additional information relating to information recorded in said main recording area, the apparatus including means for recording into said TOC area additional operation information constituting instructions as to the desired manner of reproducing the information from said main area, and control means operable in a reproducing mode of the apparatus for adapting the reproducing operation in accordance with said additional operation information.

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