Granted Patent
Utility
US 5,532,641 · App. 08/323,331
ASK demodulator implemented with digital bandpass filter
Inventors:
Peruvemba S. Balasubramanian, Nathan J. Lee, Scott D. Lekuch
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Oct 14, 1994
Inventors
Peruvemba S. Balasubramanian
Nathan J. Lee
Scott D. Lekuch
Assignee (at issue)
International Business Machines 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.