Granted Patent
Utility
US 6,614,374 · App. 09/855,080
High performance switched-capacitor filter for oversampling Sigma-Delta digital to analog converters
Inventors:
Mikael Gustavsson, Nianxiong Tan
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: May 14, 2001
Inventors
Mikael Gustavsson
Nianxiong Tan
Assignee (at issue)
GlobespanVirata, 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.