Granted Patent
Utility
US 5,602,913 · App. 08/310,614
Robust double-talk detection
Inventors:
Ho Shik Lee, Budi Agung Hardiman
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Sep 22, 1994
Inventors
Ho Shik Lee
Budi Agung Hardiman
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.