Method and apparatus for recovering information from a videodisc

Details Method and apparatus for recovering information from a videodisc Method and apparatus for recovering information from a videodisc

1986-06-27

1988-02-23

Psitos, Aristotelis M.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

369 44, 360 101, 358342, G11B 2110, H04N 578, H04N 576

Patent

active

047275324

ABSTRACT:
A system for recovering information from a videodisc and performing special functions which enhance the operational character of the system. To increase the reliability of landing at or near a target track, provisions are made to search for a track adjacent a target track whose track identifier has been obliterated. Further, a method and means for stepping forward or reverse one field at a time is disclosed. Another aspect of the invention concerns a capability to respond to a random command instruction resulting in subsequent functioning of the system in a random manner. Yet a further aspect of the invention is related to controlled jumping of one or more tracks during vertical blanking time to produce unique forward or backward motions; multiples of playing speed, both forward and reverse, and visual special effects can be realized using the multiple track jumping feature. Finally, a method and means are described which permit synchronous transmission of video from a videodisc to an external using device.

REFERENCES:
patent: 4332022 (1982-05-01), Ceshkovsky et al.
patent: 4340907 (1982-07-01), Hirata et al.
patent: 4361849 (1982-11-01), Bolger
patent: 4375091 (1983-02-01), Dakin
patent: 4417285 (1983-11-01), Mes
patent: 4460927 (1984-07-01), Romeas
patent: 4477843 (1984-10-01), Kinjo et al.

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