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Andrew David Ellis

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  • Suffolk, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recovery of clock pulses of wavelength division multiplexed optical...
    • Patent number 6,813,447
    • Issue date Nov 2, 2004
    • Corning Incorporated
    • Andrew D. Ellis
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Dark pulse TDMA optical network
    • Patent number 6,396,604
    • Issue date May 28, 2002
    • British Telecommunications plc
    • Kevin Smith
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Dark pulse generation and transmission
    • Patent number 6,381,056
    • Issue date Apr 30, 2002
    • British Telecommunications public limited company
    • Andrew D Ellis
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical switch
    • Patent number 6,215,570
    • Issue date Apr 10, 2001
    • British Telecommunications public limited company
    • Andrew David Ellis
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Chromatic dispersion compensating node
    • Patent number 6,122,418
    • Issue date Sep 19, 2000
    • British Telecommunications
    • Andrew D Ellis
    • G02 - OPTICS
  • Information Patent Grant

    Optical switch
    • Patent number 6,091,524
    • Issue date Jul 18, 2000
    • British Telecommunications public limited company
    • Andrew David Ellis
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Node in optical TDM network
    • Patent number 5,999,287
    • Issue date Dec 7, 1999
    • British Telecommunications public limited company
    • David Arthur Owen Davies
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    All-optical processing in communications systems
    • Patent number 5,953,138
    • Issue date Sep 14, 1999
    • British Telecommunications public limited company
    • Andrew David Ellis
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical switching device
    • Patent number 5,742,415
    • Issue date Apr 21, 1998
    • British Telecommunications public limited company
    • Robert J. Manning
    • G02 - OPTICS
  • Information Patent Grant

    Optical communication link fault signalling
    • Patent number 5,724,149
    • Issue date Mar 3, 1998
    • British Telecommunications p.l.c.
    • William Andrew Stallard
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Amplication of optical signals
    • Patent number 4,995,100
    • Issue date Feb 19, 1991
    • British Telecommunications Public Limited Company
    • William A. Stallard
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents