Velocity correction system for video disc player

Details Velocity correction system for video disc player Velocity correction system for video disc player

1978-04-13

1979-07-24

Konick, Bernard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

1791004D, 1791004E, 274 23R, 360 36, 360 70, 360 75, G11B 310

Patent

active

041625110

ABSTRACT:
A pickup cartridge for use in a velocity correction system includes a polymer bimorph element mechanically interposed between a cartridge housing and a pickup arm carrying a groove-riding stylus. Signals representative of cyclical deviations in the stylus/record relative velocity are applied to the polymer bimorph element to cause displacement of the groove-riding stylus in a manner that opposes cyclical deviations.

REFERENCES:
patent: 3183516 (1965-05-01), Sliter
patent: 3787616 (1974-01-01), Falk et al.
patent: 3824352 (1974-07-01), Adler et al.
patent: 3965482 (1976-06-01), Burrus
Tamura et al., "Electroacoustic Transducers with Piezoelectric High Polymer Film", Journal of the Audio Engineering Society, Jan./1975, vol. 23, No. 1, pp. 21-26.

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