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

044398530

ABSTRACT:
A capacitive information disc playback stylus comprising a dielectric support element having in one portion a conical body terminating in a constricted tip. The tip comprises a curved prow surface, a flat electrode surface remote from the prow, shoulders joining the constricted tip to the conical body, and side surfaces which join the prow and the flat surface. The side surfaces, the flat surface, and the prow surface define the edges of a disc-engaging surface.

REFERENCES:
patent: 2960759 (1960-11-01), 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
patent: 4398282 (1983-08-01), Segawa

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