Granted Patent
Utility
US 5,550,581 · App. 08/455,449
Low bit rate audio-visual communication system having integrated perceptual speech and video coding
Inventor:
Yong Zhou
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: May 31, 1995
Inventor
Yong Zhou
Assignee (at issue)
LUCENT TECHNOLOGIES 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.