Granted Patent
Utility
US 6,781,356 · App. 10/249,217
PWM controller having a modulator for saving power and reducing acoustic noise
Inventors:
Ta-Yung Yang, Chem-Lin Chen, Jenn-yu G. Lin
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Mar 24, 2003
Inventors
Ta-Yung Yang
Chem-Lin Chen
Jenn-yu G. Lin
Assignee (at issue)
System General Corp.
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.