Granted Patent
Utility
US 4,805,215 · App. 06/913,928
Adaptive echo canceller with sparse dynamically positioned taps
Inventor:
Jerry A. Miller
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Oct 1, 1986
Inventor
Jerry A. Miller
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.