Granted Patent
Utility
US 6,804,203 · App. 09/663,246
Double talk detector for echo cancellation in a speech communication system
Inventors:
Adil Benyassine, Patrick D. Ryan, Huan-Yu Su
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Sep 15, 2000
Inventors
Adil Benyassine
Patrick D. Ryan
Huan-Yu Su
Assignee (at issue)
Mindspeed Technologies, LLC.
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.