WA

Werner Armbruster

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
Ericsson: 1 patents #5,184 of 9,909Top 55%
📍 Eckental, DE: #49 of 135 inventorsTop 40%
Overall (All Time): #1,596,791 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6842516 Digital adaptive filter and acoustic echo canceller using the same — 2005-01-11
5644635 Method of and device for echo cancellation — 1997-07-01
5418848 Control logic for echo canceller with double talk detector — 1995-05-23