Granted Patent
Utility
US 5,734,789 · App. 08/229,271
Voiced, unvoiced or noise modes in a CELP vocoder
Inventors:
Kumar Swaminathan, Kalyan Ganesan, Prabhat K. Gupta
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Apr 18, 1994
Inventors
Kumar Swaminathan
Kalyan Ganesan
Prabhat K. Gupta
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.