TREA

Peter Gysel

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  • Zurich, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Send filter for an echo canceler
    • Patent number 5,649,010
    • Issue date Jul 15, 1997
    • Siemens Schweiz AG
    • Peter Gysel
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Echo canceler
    • Patent number 5,633,863
    • Issue date May 27, 1997
    • Siemens Schweiz AG
    • Peter Gysel
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE