TREA

John D. Brownlie

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  • Suffolk, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Frame synchronization for QAM
    • Patent number 5,623,516
    • Issue date Apr 22, 1997
    • British Telecommunications public limited company
    • John D. Brownlie
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    TCM scheme with fractional bit rates, framing signals and constella...
    • Patent number 5,493,586
    • Issue date Feb 20, 1996
    • British Telecommunications public limited company
    • John D. Brownlie
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Coded QAM system
    • Patent number 5,448,592
    • Issue date Sep 5, 1995
    • British Telecommunications public limited company
    • Richard G. C. Williams
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Duplex data transmission
    • Patent number 5,289,459
    • Issue date Feb 22, 1994
    • British Telecommunications p.l.c.
    • John D. Brownlie
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Transmission system
    • Patent number 5,136,576
    • Issue date Aug 4, 1992
    • British Telecommunications Public Limited Company
    • John D. Brownlie
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Digital signal coding
    • Patent number 5,054,036
    • Issue date Oct 1, 1991
    • British Telecommunications public limited company
    • John D. Brownlie
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE