Audio system with orderly shutdown sequence

Details Audio system with orderly shutdown sequence Audio system with orderly shutdown sequence

1982-05-13

1984-04-03

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including particular power supply circuitry

330128, 330295, 381 86, 381 94, 381120, 455297, H03F 126

Patent

active

044410867

ABSTRACT:
An audio system including audio processing circuit means interposed between a source of audio signals and a power amplifier. Power control circuitry including time delay means which respond to an on/off power switch for applying and removing power to the components of the audio system in a sequence which prevents audible pops associated with system start-up and shutdown.

REFERENCES:
patent: 3840820 (1974-10-01), Kawada
patent: 3916321 (1975-10-01), Morse
patent: 4127743 (1978-11-01), Ozawa et al.

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