Granted Patent
Utility
US 5,777,909 · App. 08/580,581
High pass filter with coefficient switching to improve settling time
Inventors:
Ka Y. Leung, Sarah Shuangxia Zhu
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Dec 29, 1995
Inventors
Ka Y. Leung
Sarah Shuangxia Zhu
Assignee (at issue)
Crystal Semiconductor Corp.
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.