Recording and playback system

Details Recording and playback system Recording and playback system

1978-08-21

1982-03-16

Cardillo, Jr., Raymond F.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

358131, 369 59, 369 97, G11B 712, G11B 2110, H04N 586

Patent

active

043204880

ABSTRACT:
Recording and playback optical scanners are relatively movable with respect to each other and with respect to a movable recording medium such as reel of tape adapted for recording variations in applied light. The playback scanner reproduces recorded information at a time delayed with respect to the time of recording, wherein the amount of delay can vary within wide limits. When the playback scanner is moved relative to recording scanner, the playback rate will be faster or slower than the recording rate.

REFERENCES:
patent: 2510121 (1950-06-01), Lehmann et al.
patent: 3234326 (1966-02-01), Goldmark et al.
patent: 3314075 (1967-04-01), Becker et al.
patent: 3501586 (1970-03-01), Russell
patent: 3534166 (1970-10-01), Korpel
patent: 3544718 (1970-12-01), Adler
patent: 3809806 (1974-05-01), Walker et al.
patent: 3854015 (1974-12-01), Janssen
patent: 3856987 (1974-12-01), McMann et al.

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