Granted Patent
Utility
US 5,751,903 · App. 08/359,116
Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset
Inventors:
Kumar Swaminathan, Murthy Vemuganti
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Dec 19, 1994
Inventors
Kumar Swaminathan
Murthy Vemuganti
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.