Disc playback apparatus

Details Disc playback apparatus Disc playback apparatus

1984-08-27

1987-02-03

McElheny, Jr., Donald

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 59, G11B 2110

Patent

active

046412956

ABSTRACT:
Apparatus permits the use of a compact audio disc to provide digital data information other than audio signals without requiring a change of format of the audio disc and involving only minor changes to existing digital audio disc playback apparatus. Data signals are rearranged to permit searching of the data information in a fashion compatible with existing digital audio disc playback apparatus and maintaining consistency with respect to signal format and signal processing, such as error correcting and recording data format presently used in compact digital audio discs.

REFERENCES:
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patent: 4224642 (1980-09-01), Mawatari et al.
patent: 4389681 (1983-06-01), Tanaka et al.
patent: 4463387 (1984-07-01), Hashimoto et al.
patent: 4488278 (1984-12-01), Dieterich
patent: 4534031 (1985-08-01), Jewer
patent: 4535439 (1985-08-01), Satoh et al.
patent: 4541093 (1985-09-01), Furuya et al.
patent: 4549227 (1985-10-01), Hashimoto et al.
patent: 4587643 (1986-05-01), Monen et al.

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