Granted Patent
Utility
US 4,621,365 · App. 06/672,215
Synchronization preamble correlation detector and frequency estimator
Inventor:
Chen-Shu Chiu
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Nov 16, 1984
Inventor
Chen-Shu Chiu
Assignee (at issue)
Hughes Aircraft Company
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.