Granted Patent
Utility
US 5,136,377 · App. 07/626,279
Adaptive non-linear quantizer
Inventors:
James David Johnston, Scott C. Knauer, Kim N. Matthews, Arun N. Netravali, Eric David Petajan, Robert J. Safranek, Peter Westerink
Patented Case
View Patent ↗
Granted: Aug 4, 1992
Filed: Dec 11, 1990
Inventors
James David Johnston
Scott C. Knauer
Kim N. Matthews
Arun N. Netravali
Eric David Petajan
Robert J. Safranek
Peter Westerink
Assignee (at issue)
AT&T Bell Laboratories
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.