Granted Patent
Utility
US 4,768,015 · App. 07/093,834
A/D converter for video signal
Inventor:
Tatsuyuki Amano
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: Sep 8, 1987
Inventor
Tatsuyuki Amano
Assignee (at issue)
NEC 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.