Inventor · disambiguated record
Renee Johnston
Also filed as: JOHNSTON RENEE
6 granted patents·11 citations·filing 2001–2006
74Inventor score
Top patents by PatentIndex Score
6 records- 0163US7508931B2Method for detecting echo path changes in echo cancellersMITEL NETWORKS CORP·Filed 2005·Granted Mar 24, 2009·3 cites·4 claims
- 0256US8654967B2System for conditioning echo response of loop start trunk lineSCHULZ DIETER·Filed 2006·Granted Feb 18, 2014·2 cites·8 claims
- 0353US7146003B2Noise level calculator for echo cancellerZARLINK SEMICONDUCTOR INC·Filed 2001·Granted Dec 5, 2006·5 cites·3 claims
- 0452US7724893B2Method of adaptation step control in echo cancellersMITEL NETWORKS CORP·Filed 2005·Granted May 25, 2010·1 cites·7 claims
- 0543US7792280B2Narrow band tone detection in echo canceling systemMITEL NETWORKS CORP·Filed 2005·Granted Sep 7, 2010·0 cites·4 claims
- 0641US7693276B2Method of measuring distortion and determining residue-echo threshold in loop start trunk circuitsMITEL NETWORKS CORP·Filed 2006·Granted Apr 6, 2010·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →