Granted Patent
Utility
US 6,400,932 · App. 09/454,389
Low offset automatic frequency tuning circuits for continuous-time filter
Inventors:
Chang Jun Oh, Jong Kee Kwon, Jong-Ryul Lee, Won Chul Song, Hee-Bum Jung, Kyung Soo Kim, Han Jin Cho, Ook Kim
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Dec 3, 1999
Inventors
Chang Jun Oh
Jong Kee Kwon
Jong-Ryul Lee
Won Chul Song
Hee-Bum Jung
Kyung Soo Kim
Han Jin Cho
Ook Kim
Assignee (at issue)
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
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.