Capacitive playback stylus

Details Capacitive playback stylus Capacitive playback stylus

1981-08-12

1984-03-27

Faber, Alan

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Electrical modification or sensing of storage medium

369151, 369173, G11B 906

Patent

active

044398557

ABSTRACT:
A playback stylus for a capacitive information disc comprising a shank, a dielectric material at one end of the shank, a first conical region of a first angle in an end portion of the dielectric material, a second conical region adjacent to the first conical region of a second angle less than the first angle, and an information recovering terminal region in the first conical region for recovering information recorded in an information track of a capacitive information disc.

REFERENCES:
patent: 2992007 (1961-07-01), Bondley
patent: 4104832 (1978-08-01), Keizer
patent: 4162510 (1979-07-01), Keizer
patent: 4164755 (1979-08-01), Matsumoto
patent: 4165560 (1979-08-01), Matsumoto

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