Granted Patent
Utility
US 4,600,815 · App. 06/403,449
Automatic gain control for echo cancellers and similar adaptive systems
Inventor:
Otakar A. Horna
Patented Case
View Patent ↗
Granted: Jul 15, 1986
Filed: Jul 30, 1982
Inventor
Otakar A. Horna
Assignee (at issue)
Communications Satellite 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.