Granted Patent
Utility
US 5,570,454 · App. 08/257,831
Method for processing speech signals as block floating point numbers in a CELP-based coder using a fixed point processor
Inventor:
Weimin Liu
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Jun 9, 1994
Inventor
Weimin Liu
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.