Audio limiter using voltage multiplexed feedback

Details Audio limiter using voltage multiplexed feedback Audio limiter using voltage multiplexed feedback

1989-12-21

1990-12-18

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including gain control means

330284, H03G 320

Patent

active

049789260

ABSTRACT:
An audio system having a main chassis including an audio preamplifier and a remote chassis including a power amplifier has a clipping level detector circuit in the remote chassis for detecting the onset of clipping by the power amplifier and has a gain control element in the main chassis for controlling the gain of the preamplifier. An extra control line in the wiring harness connecting the main chassis and the remote chassis is avoided by multiplexing the clipping signal and the mute control signal on a single control wire.

REFERENCES:
patent: 3891933 (1975-06-01), Suzuki et al.
patent: 4048573 (1977-09-01), Evans et al.
patent: 4233566 (1980-11-01), Nestorovic
patent: 4318053 (1982-03-01), Sondermeyer
patent: 4581589 (1986-04-01), Ikoma
patent: 4724396 (1988-02-01), Taylor, Jr. et al.
patent: 4746876 (1988-05-01), Sibiga
patent: 4754230 (1988-06-01), Schwartz et al.

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