Granted Patent
Utility
US 5,081,521 · App. 07/509,314
NTSC color television system with improved chroma bandwidth and chroma ringing reduction
Inventor:
Yves C. Faroudja
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Apr 13, 1990
Inventor
Yves C. Faroudja
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.