Stereophonic pick-up cartridge

Details Stereophonic pick-up cartridge Stereophonic pick-up cartridge

1981-06-02

1983-10-18

Stephan, Steven L.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Mechanical modification or sensing of storage medium

G11B 344

Patent

active

044109750

ABSTRACT:
A stereophonic pick-up cartridge which has a cantilever having a stylus on a free and thereof and an armature at the rear end thereof, a fixed support and a damper having a first plane surface abutting on the support and a second plane surface abutting on the armature. Grooves are formed in the second plane surface of the damper. The provision of the grooves results in improved isolation between the left and right channels during playback and results in an improved stereophonic pick-up cartridge.

REFERENCES:
patent: 2578809 (1951-12-01), Ketchum
patent: 3926441 (1975-12-01), Hibi et al.
patent: 3983335 (1976-09-01), Nemoto

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