Digital control system

Details Digital control system Digital control system

1975-05-23

1976-06-01

Mullins, James B.

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

328168, 330 29, H03G 300

Patent

active

039612813

ABSTRACT:
Remote control signals actuate digital circuitry suitable for controlling the volume of an audio amplifier. A digital counter either increases or decreases in count corresponding to a desired volume control level. Circuitry associated with the counter causes an audio amplifier control voltage derived therefrom to increase at a first rate of change in response to a predetermined range of counter output and at a second rate of change corresponding to a second predetermined range of counter output.

REFERENCES:
patent: 3579138 (1971-05-01), Harris et al.

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