Vibration system of pickup cartridge of record player

Details Vibration system of pickup cartridge of record player Vibration system of pickup cartridge of record player

1982-08-06

1985-01-22

Frankfort, Charles

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Mechanical modification or sensing of storage medium

369139, G11B 350

Patent

active

044956118

ABSTRACT:
In the vibration system of a pickup cartridge of a record player, the object of preliminarily applying a required deforming bias, in a direction opposite to the direction of the vertical tracking force, to the damper which deforms with the application of a vertical tracking force, and of releasing this deforming bias when the stylus is actually applied with a vertical tracking force, is achieved by arranging the cantilever-supporting tension wire which pulls the cantilever in the rearward direction, so as to pass through the damper at a position eccentric relative to the center of this damper which is disposed between the armature-carrying cantilever and the tension wire holder.

REFERENCES:
patent: 3136554 (1964-06-01), De Vries
patent: 3720796 (1973-03-01), Honma
patent: 4089530 (1978-05-01), Kawabe et al.
patent: 4138122 (1979-02-01), Nakatsuka
patent: 4209669 (1980-06-01), Hayashi
patent: 4263483 (1981-04-01), Obata
patent: 4385375 (1983-05-01), Okuta et al.

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