Granted Patent
Utility
US 6,249,096 · App. 09/434,038
Apparatus and method for determining commutation time of sensorless brushless direct current (BLDC) motor
Inventor:
Hyun Ick SHIN
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Nov 4, 1999
Inventor
Hyun Ick SHIN
Assignee (at issue)
Fairchild Korea Semiconductor Ltd.
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.