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Apparatus or circuits for sending one or a restricted number of signals

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Industry

  • CPC
  • H04L15/22
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Parent Industries

HELECTRICITY H04Electric communication H04LTRANSMISSION OF DIGITAL INFORMATION H04L15/00Apparatus or local circuits for transmitting or receiving dot-and-dash codes

Current Industry

H04L15/22Apparatus or circuits for sending one or a restricted number of signals
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    International Morse Code number generator
    • Patent number 4,292,624
    • Issue date Sep 29, 1981
    • William K. Serp
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3786494
    • Patent number 3,786,494
    • Issue date Jan 15, 1974
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3755794
    • Patent number 3,755,794
    • Issue date Aug 28, 1973
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3668684
    • Patent number 3,668,684
    • Issue date Jun 6, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3548407
    • Patent number 3,548,407
    • Issue date Dec 15, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3496563
    • Patent number 3,496,563
    • Issue date Feb 17, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3396238
    • Patent number 3,396,238
    • Issue date Aug 6, 1968
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3354396
    • Patent number 3,354,396
    • Issue date Nov 21, 1967
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3300582
    • Patent number 3,300,582
    • Issue date Jan 24, 1967
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3206743
    • Patent number 3,206,743
    • Issue date Sep 14, 1965
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3176229
    • Patent number 3,176,229
    • Issue date Mar 30, 1965
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3174103
    • Patent number 3,174,103
    • Issue date Mar 16, 1965
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3154640
    • Patent number 3,154,640
    • Issue date Oct 27, 1964
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3061719
    • Patent number 3,061,719
    • Issue date Oct 30, 1962
    • G08 - SIGNALLING
  • Information Patent Grant

    3021516
    • Patent number 3,021,516
    • Issue date Feb 13, 1962
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3007001
    • Patent number 3,007,001
    • Issue date Oct 31, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3000002
    • Patent number 3,000,002
    • Issue date Sep 12, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2993118
    • Patent number 2,993,118
    • Issue date Jul 18, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2989625
    • Patent number 2,989,625
    • Issue date Jun 20, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2932732
    • Patent number 2,932,732
    • Issue date Apr 12, 1960
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2932733
    • Patent number 2,932,733
    • Issue date Apr 12, 1960
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2874292
    • Patent number 2,874,292
    • Issue date Feb 17, 1959
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2869116
    • Patent number 2,869,116
    • Issue date Jan 13, 1959
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2866185
    • Patent number 2,866,185
    • Issue date Dec 23, 1958
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2689343
    • Patent number 2,689,343
    • Issue date Sep 14, 1954
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2627599
    • Patent number 2,627,599
    • Issue date Feb 3, 1953
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2623172
    • Patent number 2,623,172
    • Issue date Dec 23, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2622145
    • Patent number 2,622,145
    • Issue date Dec 16, 1952
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2620390
    • Patent number 2,620,390
    • Issue date Dec 2, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2591982
    • Patent number 2,591,982
    • Issue date Apr 8, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents