Circuit for controlling the output level of an electronic device

Details Circuit for controlling the output level of an electronic device Circuit for controlling the output level of an electronic device

1982-04-23

1984-05-15

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including gain control means

377126, 377115, 330129, H03G 302

Patent

active

044491042

ABSTRACT:
Signal level control for an amplifier or the like is provided by a binary counter which counts upward when first operated, and which thereafter counts up and down if continually operated. If the operated counter is stopped after counting up, it counts up when operated again. If the operated counter is stopped after counting down, it counts up when operated again. A digital to analog converter can provide a single control signal from the counter. The user is always assured that the single control signal will increase when the counter is operated again following a prior operation in either direction.

REFERENCES:
patent: Re30296 (1980-06-01), Kirby et al.
patent: 3663804 (1972-05-01), Newell
patent: 3895288 (1975-07-01), Lampen et al.
patent: 3968467 (1976-07-01), Lampen et al.
patent: 4238724 (1980-12-01), Klaus et al.
patent: 4349779 (1982-09-01), Ono

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