Optical recording and reproducing apparatus

Details Optical recording and reproducing apparatus Optical recording and reproducing apparatus

1993-11-17

1995-09-05

Epps, Georgia Y.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 47, G11B 1722

Patent

active

054485398

ABSTRACT:
An optical recording and reproducing apparatus provided with a plurality of sets of optical heads each for recording data, which is obtained by dividing a sequence of video and audio data correspondingly of optical heads of each set, on an optical disk and reproducing such data therefrom at a high transfer rate. These sets of optical heads operate independently of each other. While one set of optical heads is recording or reproducing data on or from one set of regions of the disk, the other set of heads stands by on another set of regions and begins to record or play back immediately upon termination of recording or playback by the first set, to provide continuous recording and reproduction. The other set of heads preferably stand by on the leading address of the other set of regions. Thus, special recording and reproducing operations such as a simultaneous recording and reproducing and a continuous recording and reproducing can be performed by a single optical recording and reproducing apparatus using an optical disk.

REFERENCES:
patent: 4972396 (1990-11-01), Rafner
patent: 5111345 (1992-05-01), Muller

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