Granted Patent
Utility
US 5,257,026 · App. 07/870,270
Method and apparatus for calibrating a multi-bit delta-sigma modular
Inventors:
Charles D. Thompson, Salvador R. Bernadas, Nicholas R. van Bavel, Eric J. Swanson
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Apr 17, 1992
Inventors
Charles D. Thompson
Salvador R. Bernadas
Nicholas R. van Bavel
Eric J. Swanson
Assignee (at issue)
Crystal Semiconductor 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.