Granted Patent
Utility
US 6,473,075 · App. 09/408,591
Adaptive frequency touchscreen controller employing digital signal processing
Inventors:
Paulo I. Gomes, Shigeki Kambara, Hiroshi Kaneda, Joel C. Kent, Arie Ravid
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Sep 29, 1999
Inventors
Paulo I. Gomes
Shigeki Kambara
Hiroshi Kaneda
Joel C. Kent
Arie Ravid
Assignee (at issue)
ELO TouchSystems, 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.