Digital filter switch for data receiver

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United States of America Patent

PATENT NO 4726041
SERIAL NO

06881809

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A digital filter switch for use with a data receiver incorporates first and second squaring units connected to the outputs of first and second band-pass filters tuned to the separation and character frequencies in a signal transmission. The outputs of the squaring units are interconnected via an adder to the input of a low-pass filter, which produces the output data signal.

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Patent Owner(s)

  • SIEMENS AKTIENGESELLSCHAFT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Prohaska, Bernd Munich, DE 2 108
Schwartz, Hans-Dieter Munich, DE 2 109
Winkelmann, Rudolf Munich, DE 2 109
Zettl, Gerhard Kirchheim, DE 2 116

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