Granted Patent
Utility
US 6,704,683 · App. 09/300,147
Direct velocity estimation for encoders using nonlinear period measurement
Inventor:
Christopher J. Hasser
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Apr 27, 1999
Inventor
Christopher J. Hasser
Assignee (at issue)
Immersion, LLC
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.