Granted Patent
Utility
US 6,501,865 · App. 09/505,393
Dynamic thresholding module with IR LED light source for a contact image sensor
Inventors:
Satoru Tanaka, Hsin-Fu Tseng, Pheng Meng Tan
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Feb 16, 2000
Inventors
Satoru Tanaka
Hsin-Fu Tseng
Pheng Meng Tan
Assignee (at issue)
Peripheral Imaging 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.