Granted Patent
Utility
US 6,538,695 · App. 09/185,796
On-chip fixed-pattern noise calibration for CMOS image sensors
Inventors:
Peter Xiao, Evan WANG
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Nov 4, 1998
Inventors
Peter Xiao
Evan WANG
Assignee (at issue)
I.C. Medical, Inc.
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.