Granted Patent
Utility
US 6,476,589 · App. 09/827,872
Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop
Inventors:
Christopher Umminger, Randy G. Flatness
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Apr 6, 2001
Inventors
Christopher Umminger
Randy G. Flatness
Assignee (at issue)
Linear Technology Holding LLC
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.