Video disc vari-speed playback system

Details Video disc vari-speed playback system Video disc vari-speed playback system

1980-11-06

1982-11-30

Faber, Alan

Facsimile and static presentation processing

Facsimile

Recording apparatus

360 101, 358327, 358342, H04N 576

Patent

active

043618499

ABSTRACT:
A video disc player has two fields of buffer storage for implementing special effects. Video signal recovered from a disc record is directed into respective ones of the buffer stores for subsequent replay in particular sequences. A fixed memory device, containing a plurality of sequences of preprogrammed data words, each sequence defining a particular player function, controls the operable mode of the respective buffer storage devices. The preprogrammed sequences are addressed by a binary counter responsive to the vertical synchronization components of signal recovered from the disc record. Particular variable speed display options are effectuated by the repeated playback of selected TV fields and the omission of intervening fields.

REFERENCES:
patent: 3548095 (1970-12-01), Poulett
patent: 3748381 (1973-07-01), Strobele et al.
patent: 4133009 (1979-01-01), Kittler et al.
patent: 4159480 (1979-06-01), Tachi
patent: 4183059 (1980-01-01), Palmer
S. K. Kim, "VIR II System", IEEE Trans., Con. Elec., vol. CE-24, No. 3, Aug. 78, pp. 200-208.

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