Granted Patent
Utility
US 5,630,033 · App. 08/520,287
Adaptic threshold filter and method thereof
Inventors:
Stephen C. Purcell, Didier J. Le Gall
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Aug 28, 1995
Inventors
Stephen C. Purcell
Didier J. Le Gall
Assignee (at issue)
C-Cube Microsystems, 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.