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EP0444511A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Magnetic recording and reproducing system

Assignee: Pentax Corp
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Filing: 1991-02-20
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Granted: —
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Expires: 2011-02-20
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Abstract

Abstract An audio signal of arbitrary length is recorded on a single track of a magnetic disk, and a plurality of corresponding or associated video signals are recorded on successive coaxial tracks. The deviation of each video signal is counted during the reception of the audio signal, and data representative thereof is superposed on the recorded video signals to "coordinate" subsequent playback.

Inventors

  • 👤 Yoshiaki C/O Asahi Kogaku Kogyo K. K. Sato
  • 👤 Nobuya C/O Asahi Kogaku Kogyo K. K. Sakai

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 21:53
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/10; G11B27/19; G11B27/28; G11B27/30; G11B27/3027; G11B27/102; G11B27/105; G11B2220/00; G11B2220/20; Y; Y10; Y10S; Y10S358/00; Y10S358/906

Claims Analysis

Total Claims: 31
Claim 1
Independent Claim 136 words
A magnetic recording device having an audio/video mode in which a plurality of video signals corresponding to an audio signal are recorded on coaxial tracks of a magnetic recording disk, comprising: a recording means for recording the video signals and the corresponding audio signal selectively to the coaxial tracks of the magnetic recording disk; and a control means for controlling said recording means so as to record the video signal together with a next video track data representing presence or absence of the following video track where the remaining video signal corresponding to the audio signal is to be recorded, said control means controlling said recording means so as to record the audio signal together with a start video track data as to a start video track where the first video signal is to be recorded.
Claim 2
Dependent Claim 50 words
The device as defined in claim 1 wherein said recording means comprises an audio memory for storing the audio signal and the first video track data, and a signal processing means for processing the video signal and the next video track data according to a predetermined still video recording format.
Claim 3
Dependent Claim 37 words
The device as defined in claim 1 wherein the next video track data is data representing the track number of a next track following a current track, in which the next video signal is to be recorded.
Claim 4
Dependent Claim 35 words
The device as defined in claim 2 wherein the next video track data is recorded to a region corresponding to an ID code in the video track according to the predetermined still video recording format.
Claim 5
Dependent Claim 40 words
The recording device as defined in claim 1 wherein said control means operates to control said recording means to record the final video signal without the next video track data when the recording of the corresponding audio signal is completed.
Claim 6
Dependent Claim 190 words
A magnetic recording device having an audio/video mode in which a plurality of video signals corresponding to an audio signal are recorded on coaxial tracks of a magnetic recording disk, comprising: a switching means which is operated during receiving the corresponding audio signal to record each of the video signals on the magnetic disk; a measuring means for measuring a video signal interval up to each operation of said switching means; a recording means for recording the video signals and the corresponding audio signal selectively to the coaxial tracks of the magnetic recording disk; and a control means for controlling said recording means so as to record the video signal when said switching means is operated, together with a next video track data representing presence or absence of the following video track where the remaining video signal corresponding to the audio signal is to be recorded and the measurement data of said measuring means, said control means controlling said recording means so as to record the audio signal together with a start video track data as to a start video track where the first video signal is to be recorded.
Claim 7
Dependent Claim 57 words
The device as defined in claim 6 wherein said recording means comprises an audio memory for storing the audio signal and the start video track data, and a signal processing means for processing the video signal, the measurement data of said measuring means and the next video track data according to a predetermined still video recording format.
Claim 8
Dependent Claim 37 words
The device as defined in claim 6 wherein the next video track data is data representing the track number of a next track following a current track, in which the next video signal is to be recorded.
Claim 9
Dependent Claim 43 words
The device as defined in claim 7 wherein the next video track data and the measurement data of said measuring means are recorded to a region corresponding to an ID code in the video track according to the predetermined still video recording format.
Claim 10
Dependent Claim 39 words
The device as defined in claim 6 wherein said control means operates to control said recording means to record the final video signal without the next video track data when the recording of the corresponding audio signal is completed.
Claim 11
Dependent Claim 112 words
A magnetic reproducing device having an audio/video mode in which an audio signal and a plurality of video signals corresponding to the audio signal are reproduced in combination from a magnetic disk, comprising: a signal reproducing means for reproducing the signals recorded on the magnetic disk; and a control means for controlling said signal reproducing means to reproduce the audio signal and each of the video signals successively according to a start video track data where the first video signal has been recorded and a next video track data representing presence or absence of the following video track where the remaining video signal corresponding to the audio signal is to be recorded.
Claim 12
Dependent Claim 63 words
The device as defined in claim 11 wherein the start video track data is reproduced from a region corresponding to a control code in the audio signal according to a predetermined still video recording format and the next video track data is reproduced from a region corresponding to an ID code in the video track according to the predetermined still video recording format.
Claim 13
Dependent Claim 24 words
The device as defined in claim 12 wherein the data as to the next track is data representing the number of the next track.
Claim 14
Dependent Claim 35 words
The device as defined in claim 11 wherein said control means control said signal reproducing means to stop the reproduction of the video signal recorded on the track where no next track data is recorded.
Claim 15
Dependent Claim 166 words
A magnetic reproducing device having an audio/video mode in which an audio signal and a plurality of video signals corresponding to the audio signal are reproduced in combination from a magnetic disk, comprising: a signal reproducing means for reproducing the signals recorded on the magnetic disk; and a control means for controlling said signal reproducing means to reproduce the audio signal together with a start video track data as to a start video track where the first video signal is to be recorded, said control means controlling said signal reproducing means to each of the video signals successively from the start vide track according to the start video track data and a next video track data representing presence or absence of the following video track where the remaining video signal corresponding to the audio signal is to be recorded, and the video signal being reproduced successively for a period of time determined according to data which has been recorded together with the next video track data.
Claim 16
Dependent Claim 63 words
The device as defined is claim 15 wherein the start video track data is reproduced from a region corresponding to a control code in the audio signal according to a predetermined still video recording format and the next video track data is reproduced from a region corresponding to an ID code in the video track according to the predetermined still video recording format.
Claim 17
Dependent Claim 25 words
The device as defined in claim 15 wherein the data as to the next track is data representing the track number of the next track.
Claim 18
Dependent Claim 35 words
The device as defined in claim 15 wherein said control means controls said signal reproducing means to stop the reproduction of the video signal recorded on the track where no next track data is recorded.
Claim 19
Dependent Claim 195 words
A magnetic recording and reproducing device having an audio/video mode in which a plurality of video signals corresponding to an audio signal are recorded on coaxial tracks of a magnetic recording disk, and the audio and video signals are reproduced in combination, comprising: a signal recording and reproducing means for recording the video signals and the corresponding audio signal selectively to the coaxial tracks of the magnetic recording disk and reproducing the recorded video and audio signals in combination therefrom; and a control means for controlling said recording and reproducing means so as to record the video signal together with a next video track data representing presence or absence of the following video track where the remaining video signal corresponding to the audio signal is to be recorded, and said control means controlling said recording and reproducing means so as to record the audio signal together with a start video track data as to a start video track where the first video signal is to be recorded, the video signals being successively reproduced from the video signal recorded on a track designated by the start video track data according to the next vide track data.
Claim 20
Dependent Claim 52 words
The device as defined in claim 19 wherein said recording and reproducing means comprises an audio memory for storing the audio signal and the start video track data, and a signal processing means for processing the video signal and the next video track data according to a predetermined still video recording format.
Claim 21
Dependent Claim 37 words
The device as defined in claim 19 wherein the next video track data is data representing the track number of a next track following a current track, in which the next video signal is to be recorded.
Claim 22
Dependent Claim 35 words
The device as defined in claim 20 wherein the next video track data is recorded to a region corresponding to an ID code in the video track according to the predetermined still video recording format.
Claim 23
Dependent Claim 42 words
The recording device as defined in claim 19 wherein said control means operates to control said recording and reproducing means to record the final video signal without the next video track data when the recording of the corresponding audio signal is completed.
Claim 24
Dependent Claim 63 words
The device as defined in claim 19 wherein the start video track data is reproduced from a region corresponding to a control code in the audio signal according to a predetermined still video recording format and the next video track data is reproduced from a region corresponding to an ID code in the video track according to the predetermined still video recording format.
Claim 25
Dependent Claim 24 words
The device as defined in claim 19 wherein the data as to the next track is data representing the number of the next track.
Claim 26
Dependent Claim 37 words
The device as defined in claim 19 wherein said control means controls said signal recording and reproducing means to stop the reproduction of the video signal recorded on the track where no next track data is recorded.
Claim 27
Dependent Claim 257 words
A magnetic recording and reproducing device having an audio/video mode in which a plurality of video signals corresponding to an audio signal are recorded on coaxial tracks of a magnetic recording disk, and the recorded audio and video signals are reproduced in combination, comprising: a switching means which is operated during receiving the corresponding audio signal to record each of the video signals on the magnetic disk; a measuring means or measuring a video signal interval up to each operation of said switching means; a recording and reproducing means for recording the video signals and the corresponding audio signal selectively to the coaxial tracks of the magnetic recording disk and for reproducing the recorded video and audio signals in combination; and a control means for controlling said recording and reproducing means so as to record the video signal when said switching means is operated, together with a next video track data representing presence or absence of the following video track where the remaining video signal corresponding to the audio signal is to be recorded and the measurement data of said measuring means, and said control means controlling said recording and reproducing means so as to record the audio signal together with a start video track data as to a start video track where the first video signal is to be recorded. the video signals being successively reproduced from the video signal recorded on a track designated by the start video track data according to the next vide track data and the measurement data of said measuring means.
Claim 28
Dependent Claim 59 words
The device as defined in claim 27 wherein said recording and reproducing means comprises an audio memory for storing the audio signal and the start video track data, and a signal processing means for processing the video signal, the measurement data of said measuring means and the next video track data according to a predetermined still video recording format.
Claim 29
Dependent Claim 37 words
The device as defined in claim 27 wherein the next video track data is data representing the track number of a next track following a current track, in which the next video signal is to be recorded.
Claim 30
Dependent Claim 43 words
The device as defined in claim 27 wherein the next video track data and the measurement data of said measuring means are recorded to a region corresponding to an ID code in the video track according to the predetermined still video recording format.
Claim 31
Dependent Claim 41 words
The device as defined in claim 27 wherein said control means operates to control said recording and reproducing means to record the final video signal without the next video track data when the recording of the corresponding audio signal is completed.

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