Pickup-cartridge with moving magnet

Details Pickup-cartridge with moving magnet Pickup-cartridge with moving magnet

1974-12-17

1976-10-19

Konick, Bernard

17910041K, 17910041Z, H04R 1112

Patent

active

039872556

ABSTRACT:
A pickup cartridge having a cantilever with a stylus on the end and a magnet on the other end, with the magnet supported for pivotal motion and having a first magnetic means comprising a yoke with opposite ends of the first magnetic means mounted adjacent opposite sides of the north pole of the magnet, and a second magnetic means comprising a yoke having opposite ends adjacent opposite sides of the south pole of the magnet, and wherein portions of the first and second magnetic means are magnetically coupled together such that magnetic flux can freely travel between the first and second magnetic means, and wherein a pair of coils are mounted on one of the magnetic means such that the flux through the pickup coils always passes in the same direction.

REFERENCES:
patent: 2507708 (1950-05-01), Greener
patent: 3538266 (1970-11-01), Cho

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