Granted Patent
Utility
US 6,507,301 · App. 09/899,443
Sigma-delta modulator with an adjustable feedback factor
Inventor:
Matthias Locher
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jul 5, 2001
Inventor
Matthias Locher
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.