Pickup cartridge

Patent

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Details

17910041K, H04R 916

Patent

active

041616316

ABSTRACT:
A pickup cartridge composed of a cantilever, a plate-shaped armature and a magnet or magnetic material. The plate-shaped armature is pivotally mounted to the cantilever and stretched backward by a suspension wire through a damper disposed in front of the magnet or magnetic material. A holding means is disposed at the rear of the damper and includes a magnet with north and south poles. Coils are mounted on the armature. The magnetic flux which passes through the coils passing in the direction of the axes of the coils, but not parallel to the direction determined by a line between the north and south poles of said magnet, produces a linear push-pull output.

REFERENCES:
patent: 2330801 (1943-10-01), Abbott
patent: 3299219 (1967-01-01), Madsen
patent: 3360616 (1967-12-01), Shiga
patent: 3542972 (1970-11-01), Braun
patent: 3641284 (1972-02-01), Westerkamp
patent: 3665123 (1972-05-01), Ikeda
patent: 3899827 (1975-08-01), Takami
patent: 3956598 (1976-05-01), Kawakami
patent: 3963880 (1976-06-01), Ikeda

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