Record tracking pickup structure for a capacitive disc

Details Record tracking pickup structure for a capacitive disc Record tracking pickup structure for a capacitive disc

1974-06-03

1976-03-09

Konick, Bernard

Telegraphy

Systems

Simplex-reversing periodic

17910041S, 17910041G, 274 38, 1791001B, G11B 1106, G11B 1108, G11B 346

Patent

active

039432769

ABSTRACT:
A pickup structure for tracking records includes a stylus formed of a section from a diamond crystal. That section has the cross sectional configuration of a square and, when employed as a capacitive pick up, has a conductive coating on one face. Any of the four corners may be employed as a tracking stylus.

REFERENCES:
patent: 2699470 (1955-01-01), Koren
patent: 2992007 (1961-07-01), Bondley
patent: 3781020 (1973-12-01), Batsch et al.
patent: 3826877 (1974-10-01), Leedom
patent: 3848876 (1974-11-01), Joschko et al.

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