Cartridge muting circuit

Details Cartridge muting circuit Cartridge muting circuit

1974-04-18

1976-02-10

Konick, Bernard

Undertaking

274 1R, 360 61, G11B 1512

Patent

active

039379027

ABSTRACT:
A muting circuit is provided for a phonograph record amplifier employing a semi-conductor cartridge wherein the cartridge has a shorting switch operative during the changing cycle wherein the amplifier associated with the cartridge is deactivated during the changing cycle of the pickup preventing transients in the output of the amplifier.

REFERENCES:
patent: 3144522 (1964-08-01), Bernstein
patent: 3280272 (1966-10-01), Simpson
patent: 3321205 (1967-05-01), Dennis
patent: 3334194 (1967-08-01), Chang
patent: 3673345 (1972-06-01), Ban
patent: 3705272 (1972-12-01), Tsuji et al.

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