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Richard E. Epworth

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  • Bishop Stortford, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical amplifier gain control
    • Patent number 5,117,196
    • Issue date May 26, 1992
    • STC PLC
    • Richard E. Epworth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical transmission system
    • Patent number 5,080,505
    • Issue date Jan 14, 1992
    • STC PLC
    • Richard E. Epworth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical fibre transmission systems
    • Patent number 4,953,939
    • Issue date Sep 4, 1990
    • STC PLC
    • Richard E. Epworth
    • G02 - OPTICS
  • Information Patent Grant

    Coherent mixing of optical signals
    • Patent number 4,898,443
    • Issue date Feb 6, 1990
    • STC PLC
    • Richard E. Epworth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Devices and methods for selectively tapping optical energy from an...
    • Patent number 4,781,428
    • Issue date Nov 1, 1988
    • STC PLC
    • Richard E. Epworth
    • G02 - OPTICS
  • Information Patent Grant

    Optical fibre network
    • Patent number 4,761,833
    • Issue date Aug 2, 1988
    • STC PLC
    • Richard E. Epworth
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber sensors
    • Patent number 4,749,246
    • Issue date Jun 7, 1988
    • STC PLC
    • Richard E. Epworth
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Balanced coherent receiver
    • Patent number 4,718,121
    • Issue date Jan 5, 1988
    • STC PLC
    • Richard E. Epworth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multiplexing of optical signals
    • Patent number 4,625,305
    • Issue date Nov 25, 1986
    • International Standard Electric Corporation
    • Richard E. Epworth
    • G02 - OPTICS
  • Information Patent Grant

    Optical frequency modulation system
    • Patent number 4,561,119
    • Issue date Dec 24, 1985
    • International Standard Electric Corporation
    • Richard E. Epworth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical transmission system
    • Patent number 4,533,247
    • Issue date Aug 6, 1985
    • International Standard Electric Corporation
    • Richard E. Epworth
    • G02 - OPTICS
  • Information Patent Grant

    Termination for telecommunication path
    • Patent number 4,238,648
    • Issue date Dec 9, 1980
    • International Standard Electric Corporation
    • Richard E. Epworth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical fiber connector
    • Patent number 4,149,771
    • Issue date Apr 17, 1979
    • International Standard Electric Corporation
    • Richard E. Epworth
    • G02 - OPTICS
  • Information Patent Grant

    Planar laser mount
    • Patent number 4,144,504
    • Issue date Mar 13, 1979
    • International Standard Electric Corporation
    • Norman D. Leggett
    • G02 - OPTICS