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

1985-12-26

1987-11-10

Psitos, Aristotelis M.

Facsimile and static presentation processing

Facsimile

Recording apparatus

360 101, 369 32, H04N 576, G11B 2100

Patent

active

047061332

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: 3518366 (1970-06-01), Phan
patent: 4332022 (1982-05-01), Ceshkovsky et al.
patent: 4361849 (1982-11-01), Bolger
patent: 4417285 (1983-11-01), Mes
patent: 4555736 (1985-11-01), Mathieu et al.

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