Electromagnetic pickup cartridge

Details Electromagnetic pickup cartridge Electromagnetic pickup cartridge

1980-12-16

1982-09-28

Stephan, Steven L.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Mechanical modification or sensing of storage medium

369139, 369149, H04R 1112

Patent

active

043521762

ABSTRACT:
An electromagnetic pickup cartridge in which a cantilever with a stylus tip at the free end thereof is extended perpendicularly from the center of one major surface of an armature which is partially embedded in a holder which is made of a high molecular weight compound, which serves as a suspension part and in turn is mounted through a damper in a sleeve. Since the armature is not needed to be formed with a center aperture, the fabrication cost can be reduced.

REFERENCES:
patent: 3761647 (1973-09-01), Nemoto et al.
patent: 3904837 (1975-09-01), Sugimoto et al.

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