Granted Patent
Utility
US 5,612,977 · App. 08/365,574
Automatic frequency control circuit for a receiver of phase shift keying modulated signals
Inventor:
Kazuo Ogoro
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: Dec 28, 1994
Inventor
Kazuo Ogoro
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.