Detecting loss of echo cancellation | Patent Number 05206854

US 05206854 NA
Application Number7766234
Publication Number-
Pendency1 year, 7 months, 6 days
Filled DateSep 24, 1991
Priority DateSep 24, 1991
Publication Date-
Expiration DateSep 24, 2011
Inventor/Applicants William L. Betts
Robert A. Day, II
ExaminesKIZOU, HASSAN
Art Unit2603
Technology Center2600
Assignments
Brandywine Communications Technologies Llc
Current
Hollin Law Offices
Original
Law Firm
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