Inventor
JOHNSTON RENEE
CA6 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSTON RENEE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITEL NETWORKS CORP
4 patentsUS7508931B2Mar 24, 2009
Method for detecting echo path changes in echo cancellers
MITEL NETWORKS CORP3 citations59
US7792280B2Sep 7, 2010
Narrow band tone detection in echo canceling system
MITEL NETWORKS CORP0 citations49
US7724893B2May 25, 2010
Method of adaptation step control in echo cancellers
MITEL NETWORKS CORP1 citations47
US7693276B2Apr 6, 2010
Method of measuring distortion and determining residue-echo threshold in loop start trunk circuits
MITEL NETWORKS CORP0 citations38