Video disc player system for correlating stylus position with in

Details Video disc player system for correlating stylus position with in Video disc player system for correlating stylus position with in

1979-10-12

1981-12-22

Psitos, Aristotelis M.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

369 30, 369 32, 369 33, 369 41, 369 47, 369 53, 360 722, H04N 576, G11B 1722, G11B 1552, G11B 382

Patent

active

043074189

ABSTRACT:
A video disc playback system for detecting field number information recorded on a sectored video disc and representing stylus location, and for correlating presently received field number information with previously received field number information. Presently received field number data is correlated to previously received field number data to determine whether or not the presently received data indicates the playback stylus to be playing back from a predicted sector of the disc and within a predicted range of radius from the center of the disc. These range and sector checks are used to reduce the probability of data errors passing undetected during playback.

REFERENCES:
patent: 4000510 (1976-12-01), Cheney et al.
patent: 4138741 (1979-02-01), Hedlund et al.
patent: 4190820 (1980-04-01), Ohtake et al.
patent: 4199820 (1980-04-01), Ohtake et al.

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