TREA

whereby duration of pulse or interval between two pulses is variable

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Industry

  • CPC
  • H04Q1/40
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Parent Industries

HELECTRICITY H04Electric communication H04QSELECTING H04Q1/00Details of selecting apparatus or arrangements for establishing connections among stations for the purpose of transferring information via these connections

Current Industry

H04Q1/40whereby duration of pulse or interval between two pulses is variable
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3622997
    • Patent number 3,622,997
    • Issue date Nov 23, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2853606
    • Patent number 2,853,606
    • Issue date Sep 23, 1958
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2804604
    • Patent number 2,804,604
    • Issue date Aug 27, 1957
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2658188
    • Patent number 2,658,188
    • Issue date Nov 3, 1953
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2642493
    • Patent number 2,642,493
    • Issue date Jun 16, 1953
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2620399
    • Patent number 2,620,399
    • Issue date Dec 2, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2615971
    • Patent number 2,615,971
    • Issue date Oct 28, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2603715
    • Patent number 2,603,715
    • Issue date Jul 15, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2424566
    • Patent number 2,424,566
    • Issue date Jul 29, 1947
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE