Dunrobin
Canada
5
2007-06-14
The entities that hold a legal rights for patent applications filed by inventor Johnston Renee:
Renee Johnston from Dunrobin, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
System for conditioning echo response of loop start trunk line
#2 | 2006-09-07Method of measuring distortion and determining residue-echo threshold in loop start trunk circuits
#3 | 2006-02-09Method of adaptation step control in echo cancellers
#4 | 2005-08-04Narrow band tone detection in echo canceling system
#5 | 2005-08-04Method for detecting echo path changes in echo cancellers
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