Granted Patent
Utility
US 5,477,195 · App. 08/353,208
Near optimal quasi-coherent delay lock loop (QCDLL) for tracking direct sequence signals and CDMA
Inventor:
James J. Spilker, Jr.
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Dec 1, 1994
Inventor
James J. Spilker, Jr.
Assignee (at issue)
Stanford Telecommunications, Inc.
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.