Granted Patent
Utility
US 4,752,953 · App. 06/895,150
Digital audio scrambling system with pulse amplitude modulation
Inventors:
Woo Hyun Paik, Jerrold A. Heller, Gordon Kent Walker
Patented Case
View Patent ↗
Granted: Jun 21, 1988
Filed: Aug 11, 1986
Inventors
Woo Hyun Paik
Jerrold A. Heller
Gordon Kent Walker
Assignees (at issue)
M/A-COM Government Systems, Inc.
Cable/Home Communication 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.