TREA

Robert L. Carbrey

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  • Boulder, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switched capacitor coupled line receiver circuit
    • Patent number 4,656,661
    • Issue date Apr 7, 1987
    • American Telephone and Telegraph Company
    • Robert L. Carbrey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Switched capacitor coupled line receiver circuit
    • Patent number 4,651,134
    • Issue date Mar 17, 1987
    • American Telephone and Telegraph Company
    • Robert L. Carbrey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Linear codec with dual divider
    • Patent number 4,573,038
    • Issue date Feb 25, 1986
    • AT&T Information Systems, Inc.
    • Robert L. Carbrey
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Video wave codec
    • Patent number 4,570,121
    • Issue date Feb 11, 1986
    • AT&T Bell Laboratories
    • Robert L. Carbrey
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Signal multiplexing circuit
    • Patent number RE31510
    • Issue date Jan 24, 1984
    • Bell Telephone Laboratories, Incorporated
    • Robert L. Carbrey
    • 370 - Multiplex communications
  • Information Patent Grant

    High capacity secure address loop network
    • Patent number 4,387,458
    • Issue date Jun 7, 1983
    • Bell Telephone Laboratories, Incorporated
    • Robert L. Carbrey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sampling filter for reducing aliasing distortion
    • Patent number 4,322,697
    • Issue date Mar 30, 1982
    • Bell Telephone Laboratories, Incorporated
    • Robert L. Carbrey
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Opto-isolator hybrid circuit
    • Patent number 4,313,225
    • Issue date Jan 26, 1982
    • Bell Telephone Laboratories, Incorporated
    • Robert L. Carbrey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Reversible analog to digital converter with high precision
    • Patent number 4,291,298
    • Issue date Sep 22, 1981
    • Bell Telephone Laboratories, Incorporated
    • Robert L. Carbrey
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Capacitive analog to digital converter
    • Patent number 4,185,275
    • Issue date Jan 22, 1980
    • Bell Telephone Laboratories, Incorporated
    • Robert L. Carbrey
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Signal multiplexing circuit
    • Patent number 4,178,480
    • Issue date Dec 11, 1979
    • Bell Telephone Laboratories, Incorporated
    • Robert L. Carbrey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Digital wave generator for composite tone
    • Patent number 4,171,466
    • Issue date Oct 16, 1979
    • Bell Telephone Laboratories, Incorporated
    • Robert L. Carbrey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Reduction of aliasing distortion in sampled signals
    • Patent number 4,039,979
    • Issue date Aug 2, 1977
    • Bell Telephone Laboratories, Incorporated
    • Robert Lawrence Carbrey
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Peak shut-off electronic switch
    • Patent number 4,037,117
    • Issue date Jul 19, 1977
    • Bell Telephone Laboratories, Incorporated
    • Robert Lawrence Carbrey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Line switch controller for a time-division switching system
    • Patent number 3,961,140
    • Issue date Jun 1, 1976
    • Bell Telephone Laboratories, Incorporated
    • Robert Lawrence Carbrey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifrequency tone detection
    • Patent number 3,934,097
    • Issue date Jan 20, 1976
    • Bell Telephone Laboratories, Incorporated
    • Robert Lawrence Carbrey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE