Stylus grinding device for video disc player

Details Stylus grinding device for video disc player Stylus grinding device for video disc player

1975-07-11

1976-08-10

Smith, Al Lawrence

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51281SF, B24B 1916

Patent

active

039733610

ABSTRACT:
A stylus grinding device for use in a video disc player comprises a rotary grinding disc adapted to be rotated at its center during a grinding operation subject to the pickup stylus. The stylus grinding device is designed such that the amount of the pickup stylus to be ground varies depending upon the duration of actual service performed by the pickup stylus to reproduce video information recorded on a flexible foil-type disc record.

REFERENCES:
patent: 3266196 (1966-08-01), Barcaro
patent: 3543447 (1970-12-01), Leibowitz
patent: 3891222 (1975-06-01), Wimmer

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