Granted Patent
Utility
US 5,253,078 · App. 07/572,198
System for compression and decompression of video data using discrete cosine transform and coding techniques
Inventors:
Alexandre Balkanski, Stephen C. Purcell, James Kirkpatrick, Mauro Bonomi, Wen-Chang Hsu
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Aug 23, 1990
Inventors
Alexandre Balkanski
Stephen C. Purcell
James Kirkpatrick
Mauro Bonomi
Wen-Chang Hsu
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.