Detecting loss of echo cancellation

United States of America Patent

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Apr 27, 1993
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app pub date
Sep 24, 1991
filing date
Sep 24, 1991

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Abstract

In a full-duplex modem, correlation of an echo estimate signal with an echo-canceled signal is used to determine the presence or absence of a remote signal.

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Patent Owner	Address
BRANDYWINE COMMUNICATIONS TECHNOLOGIES LLC	1612 MT PLEASANT ROAD VILLANOVA PA 19085

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H04B:TRANSMISSION

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Betts, William L	St. Petersburg, FL	100	2144
Day, II Robert A	Manalapan, NJ	2	44

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Detecting loss of echo cancellation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07766234

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PATENT NO	5206854
SERIAL NO	07766234
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07766234

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