Reference load amplifier correction system

Details Reference load amplifier correction system Reference load amplifier correction system

1984-11-07

1987-01-20

Mullins, James B.

Amplifiers

Hum or noise or distortion bucking introduced into signal...

330105, 330109, 330126, 330151, 360 68, H03F 108

Patent

active

046382585

ABSTRACT:
A system which corrects for adverse characteristics such as reactance, inertia and resonances of a power amplifier driven load such as a speaker or multiple speaker system. Program voltage is applied to a reference load which has electrical characteristics which simulate characteristics of the driven load, and the response of the reference load to the program is used to develop a correction voltage signal for the driven load. The program and the correction voltage signal are simultaneously applied to the power amplifier to simultaneously reproduce the program and correct for the adverse characteristics of the load.

REFERENCES:
patent: 3207854 (1965-09-01), Johnson
patent: 3449518 (1969-06-01), Erath
patent: 3493682 (1970-02-01), Erath
patent: 3755754 (1973-08-01), Putz
patent: 4052560 (1977-10-01), Santmann
patent: 4130727 (1978-12-01), Kates
patent: 4340778 (1982-07-01), Cowans et al.

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