Granted Patent
Utility
US 5,293,449 · App. 07/905,239
Analysis-by-synthesis 2,4 kbps linear predictive speech codec
Inventor:
Forrest F. Tzeng
Patented Case
View Patent ↗
Granted: Mar 8, 1994
Filed: Jun 29, 1992
Inventor
Forrest F. Tzeng
Assignee (at issue)
Comsat, Inc.
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.