Inventor

SPRINGFIELD CHRISTOPHER W

US5 patents

⚠️ This page may combine multiple inventors who share the name “SPRINGFIELD CHRISTOPHER W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MOTOROLA INC

2 patents

US6799062B1Sep 28, 2004

Full-duplex hands-free transparency circuit and method therefor

MOTOROLA INC34 citations90

US7046794B2May 16, 2006

Double talk activity detector and method for an echo canceler circuit

MOTOROLA INC49 citations89

PIKET JAMES B

2 patents

US8811603B2Aug 19, 2014

Echo canceler circuit and method

PIKET JAMES B0 citations46

US8238546B2Aug 7, 2012

Echo canceler circuit and method

PIKET JAMES B0 citations46

TEMIC AUTOMOTIVE NA INC

1 patent

US7599483B2Oct 6, 2009

Echo canceler circuit and method

TEMIC AUTOMOTIVE NA INC4 citations59