Granted Patent
Utility
US 4,600,901 · App. 06/711,704
Switched capacitance feedback control circuit and sigma-delta modulator using same
Inventor:
Dirk H. L. C. Rabaey
Patented Case
View Patent ↗
Granted: Jul 15, 1986
Filed: Mar 14, 1985
Inventor
Dirk H. L. C. Rabaey
Assignee (at issue)
International Standard Electric Corporation
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.