Granted Patent
Utility
US 5,469,474 · App. 08/080,766
Quantization bit number allocation by first selecting a subband signal having a maximum of signal to mask ratios in an input signal
Inventor:
Osamu Kitabatake
Patented Case
View Patent ↗
Granted: Nov 21, 1995
Filed: Jun 24, 1993
Inventor
Osamu Kitabatake
Assignee (at issue)
NEC CORPORATION
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.