Receiver for AM stereo signals having a circuit for reducing distortion due to overmodulation

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United States of America Patent

PATENT NO 4405835
SERIAL NO

06301567

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A receiver for AM signals, in which the carrier is amplitude modulated with a first signal (L+R) and phase modulated with a second signal (L-R), includes a circuit for reducing distortion in the output signal due to amplitude overmodulation. This circuit includes an overmodulation detector for controlling a switch in a phase demodulation signal channel, which switch, coupled between a demodulator and an integrator in this signal channel, effectively short-circuits the input to the integrator causing the output thereof to remain constant for the duration of the overmodulation.

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Patent Owner(s)

Patent OwnerAddress
U S PHILIPS CORPROATION 100 EAST 42ND ST NEW YORK 10017 A CORP OF DELNY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jansen, Winfried Hasloh, DE 9 99
Nolde, Wolfgang Hamburg, DE 9 78

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