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for producing frequency-selective operation of the relay

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  • CPC
  • H01H47/20
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H47/00Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current

Current Industry

H01H47/20for producing frequency-selective operation of the relay
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Relay control apparatus and method
    • Patent number 11,823,855
    • Issue date Nov 21, 2023
    • LG ENERGY SOLUTION, LTD.
    • Jang-Hyeok Choi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Systems and methods for controlling relay activation timing
    • Patent number 10,121,622
    • Issue date Nov 6, 2018
    • Control4 Corporation
    • Gregory Scott Smith
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Synchronizing switching times of relays to a zero-crossing
    • Patent number 9,991,066
    • Issue date Jun 5, 2018
    • Honeywell International Inc.
    • Michael Asmussen
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control circuit for relay-operated gas valves
    • Patent number 7,586,213
    • Issue date Sep 8, 2009
    • Honeywell International Inc.
    • Derk Vegter
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Coaxial cable switching circuit
    • Patent number 4,271,403
    • Issue date Jun 2, 1981
    • Data 100 Corporation
    • Verne L. Severson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Remotely-controllable relays and filters therefor
    • Patent number 4,232,298
    • Issue date Nov 4, 1980
    • Enertec
    • Anthony J. Ley
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Vital relay operating circuit
    • Patent number 4,118,750
    • Issue date Oct 3, 1978
    • General Signal Corporation
    • John H. Auer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Tone operated switching arrangement
    • Patent number 4,011,486
    • Issue date Mar 8, 1977
    • Pylon Electronic Development Company Ltd.
    • David B. Oulton
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3803482
    • Patent number 3,803,482
    • Issue date Apr 9, 1974
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3750057
    • Patent number 3,750,057
    • Issue date Jul 31, 1973
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3715669
    • Patent number 3,715,669
    • Issue date Feb 6, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3626205
    • Patent number 3,626,205
    • Issue date Dec 7, 1971
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3436701
    • Patent number 3,436,701
    • Issue date Apr 1, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3284673
    • Patent number 3,284,673
    • Issue date Nov 8, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3209212
    • Patent number 3,209,212
    • Issue date Sep 28, 1965
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3172017
    • Patent number 3,172,017
    • Issue date Mar 2, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3135896
    • Patent number 3,135,896
    • Issue date Jun 2, 1964
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3125708
    • Patent number 3,125,708
    • Issue date Mar 17, 1964
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3035212
    • Patent number 3,035,212
    • Issue date May 15, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3027497
    • Patent number 3,027,497
    • Issue date Mar 27, 1962
    • G08 - SIGNALLING
  • Information Patent Grant

    2982974
    • Patent number 2,982,974
    • Issue date May 9, 1961
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    2892954
    • Patent number 2,892,954
    • Issue date Jun 30, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2877360
    • Patent number 2,877,360
    • Issue date Mar 10, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2871874
    • Patent number 2,871,874
    • Issue date Feb 3, 1959
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2774919
    • Patent number 2,774,919
    • Issue date Dec 18, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2729771
    • Patent number 2,729,771
    • Issue date Jan 3, 1956
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2648034
    • Patent number 2,648,034
    • Issue date Aug 4, 1953
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2623964
    • Patent number 2,623,964
    • Issue date Dec 30, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2613254
    • Patent number 2,613,254
    • Issue date Oct 7, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2584728
    • Patent number 2,584,728
    • Issue date Feb 5, 1952
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents