Granted Patent
Utility
US 5,079,521 · App. 07/616,861
Fractional-N frequency synthesizer using delta-sigma modulator in divider control circuit
Inventors:
Philip S. Gaskell, Nigel J. R. King, Eric Breakenridge, Michael John Ball
Patented Case
View Patent ↗
Granted: Jan 7, 1992
Filed: Nov 21, 1990
Inventors
Philip S. Gaskell
Nigel J. R. King
Eric Breakenridge
Michael John Ball
Assignee (at issue)
STC PLC
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.