Granted Patent
Utility
US 5,598,074 · App. 08/502,292
Virtual hall-effect signal generating for a brushless sensorless electrical rotary machine
Inventor:
Hao Huang
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Jul 13, 1995
Inventor
Hao Huang
Assignee (at issue)
SL Montevideo Technology, 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.