Granted Patent
Utility
US 4,779,142 · App. 07/019,971
System and method for electronically recording and playing back video images with improved chrominance characteristics using alternate even and odd chrominance signal line matrix encoding
Inventors:
William T. Freeman, Marnix G. Collet
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Feb 27, 1987
Inventors
William T. Freeman
Marnix G. Collet
Assignees (at issue)
Polaroid Corporation
U.S. Philips 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.