Granted Patent
Utility
US 6,138,523 · App. 08/928,366
Method and apparatus for touch detection based on the current flow generated by object relative to a sensor panel
Inventors:
Steven P. Callicott, Billy B. Duncan, William K. Petty, Mark S. Snyder
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Sep 12, 1997
Inventors
Steven P. Callicott
Billy B. Duncan
William K. Petty
Mark S. Snyder
Assignee (at issue)
LSI Logic 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.