Pick-up

Details Pick-up Pick-up

1979-02-26

1982-01-12

Phillips, Charles E.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Mechanical modification or sensing of storage medium

G11B 320

Patent

active

043109179

ABSTRACT:
In a pick-up of the type having a relatively flat, square armature disposed perpendicularly to one end of a stylus arm and supported on one side by an elastic damping device which in turn is firmly supported by an air gap defining pole piece, selective damping is provided by the application of a particular damping device consisting of a disc shaped inertia body clamped between two rubber pads.

REFERENCES:
patent: 3909008 (1975-09-01), Sakai
patent: 3991284 (1976-11-01), Braun
patent: 4138122 (1979-02-01), Nakatsuka
patent: 4194744 (1980-03-01), Groh et al.
"Dynamic Vib. Absorber Principle Applied to a High Quality Phono Pickup" Journal of Audio Eng., 6/1977 vol. 25 #6 pp. 385-390.

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