Granted Patent
Utility
US 6,201,866 · App. 09/056,775
Echo canceler employing segment-based reinitialization
Inventors:
Yoshihiro Ariyama, Masashi Takada
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Apr 8, 1998
Inventors
Yoshihiro Ariyama
Masashi Takada
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.