Granted Patent
Utility
US 5,014,263 · App. 07/401,497
Adaptive echo-canceller with double-talker detection
Inventors:
Kannan Vairavan, Paul C. McLeod, Jr.
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Aug 29, 1989
Inventors
Kannan Vairavan
Paul C. McLeod, Jr.
Assignee (at issue)
Advanced Micro Devices, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.