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  • CPC
  • H03M2201/79
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HELECTRICITY H03Electronic circuits H03MCODING DECODING CODE CONVERSION IN GENERAL H03M2201/00Indexing scheme relating to A/D or D/A conversion

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H03M2201/79Time recording
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Patents Grantslast 30 patents

  • Information Patent Grant

    3562741
    • Patent number 3,562,741
    • Issue date Feb 9, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3505670
    • Patent number 3,505,670
    • Issue date Apr 7, 1970
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3448446
    • Patent number 3,448,446
    • Issue date Jun 3, 1969
    • G08 - SIGNALLING
  • Information Patent Grant

    3383698
    • Patent number 3,383,698
    • Issue date May 14, 1968
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    3372240
    • Patent number 3,372,240
    • Issue date Mar 5, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3316751
    • Patent number 3,316,751
    • Issue date May 2, 1967
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3304497
    • Patent number 3,304,497
    • Issue date Feb 14, 1967
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3235878
    • Patent number 3,235,878
    • Issue date Feb 15, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3229278
    • Patent number 3,229,278
    • Issue date Jan 11, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3222670
    • Patent number 3,222,670
    • Issue date Dec 7, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3196447
    • Patent number 3,196,447
    • Issue date Jul 20, 1965
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    3192519
    • Patent number 3,192,519
    • Issue date Jun 29, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3178695
    • Patent number 3,178,695
    • Issue date Apr 13, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3177472
    • Patent number 3,177,472
    • Issue date Apr 6, 1965
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    3150253
    • Patent number 3,150,253
    • Issue date Sep 22, 1964
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    3135947
    • Patent number 3,135,947
    • Issue date Jun 2, 1964
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3121160
    • Patent number 3,121,160
    • Issue date Feb 11, 1964
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3119995
    • Patent number 3,119,995
    • Issue date Jan 28, 1964
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3104388
    • Patent number 3,104,388
    • Issue date Sep 17, 1963
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3094875
    • Patent number 3,094,875
    • Issue date Jun 25, 1963
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2924964
    • Patent number 2,924,964
    • Issue date Feb 16, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2923929
    • Patent number 2,923,929
    • Issue date Feb 2, 1960
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2918657
    • Patent number 2,918,657
    • Issue date Dec 22, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2849704
    • Patent number 2,849,704
    • Issue date Aug 26, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2759784
    • Patent number 2,759,784
    • Issue date Aug 21, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents