Granted Patent
Utility
US 4,529,965 · App. 06/491,217
Switched-capacitor circuit analog-to-digital converter
Inventor:
Chin-Chen Lee
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: May 3, 1983
Inventor
Chin-Chen Lee
Assignee (at issue)
Racal Data Communications, 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.