Granted Patent
Utility
US 5,559,900 · App. 07/667,851
Compression of signals for perceptual quality by selecting frequency bands having relatively high energy
Inventors:
Nuggehally S. Jayant, Robert J. Safranek
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Mar 12, 1991
Inventors
Nuggehally S. Jayant
Robert J. Safranek
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.