TREA

James S. Butcher

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  • Phoenix, AZ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Digital delay line-based phase detector
    • Patent number 6,661,862
    • Issue date Dec 9, 2003
    • Adtran, Inc.
    • James S. Butcher
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    High resolution digital phase-lock loop circuit
    • Patent number 4,847,870
    • Issue date Jul 11, 1989
    • Siemens Transmission Systems, Inc.
    • James S. Butcher
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Center frequency high resolution digital phase-lock loop circuit
    • Patent number 4,789,996
    • Issue date Dec 6, 1988
    • Siemens Transmission Systems, Inc.
    • James S. Butcher
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic clock recovery circuit
    • Patent number 4,667,333
    • Issue date May 19, 1987
    • Motorola, Inc.
    • James S. Butcher
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic bias circuit
    • Patent number 4,625,320
    • Issue date Nov 25, 1986
    • Motorola, Inc.
    • James S. Butcher
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Signal quality steered diversity
    • Patent number 4,584,713
    • Issue date Apr 22, 1986
    • Motorola, Inc.
    • Eugene J. Bruckert
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Fast recovery bias circuit
    • Patent number 4,575,863
    • Issue date Mar 11, 1986
    • Motorola, Inc.
    • James S. Butcher
    • G08 - SIGNALLING
  • Information Patent Grant

    Audio distributing system
    • Patent number 4,429,187
    • Issue date Jan 31, 1984
    • GTE Automatic Electric Labs Inc.
    • James S. Butcher
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Bi-lateral four quadrant power converter
    • Patent number 4,399,499
    • Issue date Aug 16, 1983
    • GTE Automatic Electric Labs Inc.
    • James S. Butcher
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Load protecting arrangement
    • Patent number 4,394,703
    • Issue date Jul 19, 1983
    • GTE Automatic Electric Labs Inc.
    • James S. Butcher
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER