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Patent classifications
H
ELECTRICITY
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H03
ELECTRONIC CIRCUITRY
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H03G
CONTROL OF AMPLIFICATION
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3/00
Gain control in amplifiers or frequency changers
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H03G3/20
Automatic control
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H03G3/30
in amplifiers having semiconductor devices
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H03G3/34
Muting amplifier when no signal is present
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H03G3/348
Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits
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