Granted Patent
Utility
US 5,097,322 · App. 07/570,232
Video encoding using adaptive filters and variable threshold
Inventor:
Jon Fairhurst
Patented Case
View Patent ↗
Granted: Mar 17, 1992
Filed: Aug 20, 1990
Inventor
Jon Fairhurst
Assignee (at issue)
GRASS VALLEY 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.