Granted Patent
Utility
US 5,939,949 · App. 09/042,589
Self-adjusting startup control for charge pump current source in phase locked loop
Inventors:
Christian Volf Olgaard, Subramanian Parameswaran
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Mar 16, 1998
Inventors
Christian Volf Olgaard
Subramanian Parameswaran
Assignee (at issue)
NATIONAL SEMICONDUCTOR 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.