Granted Patent
Utility
US 4,980,916 · App. 07/427,074
Method for improving speech quality in code excited linear predictive speech coding
Inventor:
Richard Louis Zinser
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Oct 26, 1989
Inventor
Richard Louis Zinser
Assignee (at issue)
General Electric Company
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.