Granted Patent
Utility
US 6,580,461 · App. 10/077,264
Line-quadrupler in home theater uses line-doubler of AV-part and scaler in graphics controller of PC-part
Inventors:
Paul Chambers, Christopher Coley, Marshall Williams, Jeroen Heuvelman
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Feb 13, 2002
Inventors
Paul Chambers
Christopher Coley
Marshall Williams
Jeroen Heuvelman
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.