Apparatus for multi-channel dividing, recording and reproducing

Details Apparatus for multi-channel dividing, recording and reproducing Apparatus for multi-channel dividing, recording and reproducing

1990-10-15

1992-11-10

Shaw, Dale M.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358335, 360 22, H04N 576

Patent

active

051629224

ABSTRACT:
A video disc is produced from a master video disc which has recorded therein a video signal including a synchronous signals occurring periodically and divided into plural channels by the cycle of the synchronous signals. The plural channel signals are recorded on a group of plural tracks, respectively. In the case of reproducing the video disc, the plural channel signals are reproduced from the group of plural tracks, respectively. Synchronous signals are detected from the reproduced signals. The reproduced channel signals in a period of the synchronous signal are stored in plural memories based on the synchronous signals detected. The stored plural channel signals are continuously reproduced by successively reading from the memories of channels by switching at synchronous intervals. The signal bandwidth of the channels becomes 1
of the original video signal by recording and reproducing the video signal by dividing it into plural channels(n channels) in such manner. Therefore, even when the shortest recording wavelength is the same, the linear velocity is reduced by 1
.

REFERENCES:
patent: 4298974 (1981-11-01), Tsunoda et al.
patent: 4449212 (1984-05-01), Reno
patent: 4546463 (1985-10-01), Opheij et al.
patent: 4819086 (1989-04-01), Hayashi et al.
patent: 4864428 (1989-09-01), Kanamaru
patent: 4873582 (1989-10-01), Furuhata et al.
patent: 4939586 (1990-07-01), Nabati et al.

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