Moving iron type cartridge

Details Moving iron type cartridge Moving iron type cartridge

1978-08-10

1980-09-09

Moffitt, James W.

Undertaking

17910041K, 17910041Z, 274 37, H04R 1112

Patent

active

042219370

ABSTRACT:
A moving iron type cartridge comprising a mounting base, a pair of permanent magnets for right and left channels secured to said mounting base, yokes for the right channel secured on the pole sides of said permanent magnet for the right channel and partially to the mounting base and having a coil wound thereon, yokes for the left channel secured on the pole sides of said permanent magnet for the left channel and partially to the mounting base and having a coil wound thereon, a damper case positioned at the end portions of said yokes and secured to the mounting base, a damper housed in said damper case, and a cantilever secured to said damper and having a stylus fixed to the tip thereof, whereby the stylus replacing operation can be easily performed and the outputs of a high level can be obtained.

REFERENCES:
patent: 2456388 (1948-12-01), Cornwell
patent: 3151221 (1964-09-01), Pyke
patent: 3441688 (1969-04-01), Shaper
patent: 3700829 (1972-10-01), Anneberg et al.
patent: 4075418 (1978-02-01), Nemoto et al.

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