using vacuum tubes

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  • H03K19/06
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic device and methode for implementing logic functions and...

    • Patent number 8,860,466
    • Issue date Oct 14, 2014
    • Erez Halahmi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Microscale digital vacuum electronic gates

    • Patent number 8,796,932
    • Issue date Aug 5, 2014
    • California Institute of Technology
    • Harish Manohara
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Electrical device for performing logic functions

    • Patent number 7,847,596
    • Issue date Dec 7, 2010
    • NovaTrans Group SA
    • Erez Halahmi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Logical operation element field emission emitter and logical operat...

    • Patent number 7,432,521
    • Issue date Oct 7, 2008
    • Sumitomo Electric Industries, Ltd.
    • Natsuo Tatsumi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Frequency to voltage converter for a predetermined frequency range

    • Patent number 4,539,523
    • Issue date Sep 3, 1985
    • Combustion Engineering, Inc.
    • John B. Rosso
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3106683

    • Patent number 3,106,683
    • Issue date Oct 8, 1963
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3016490

    • Patent number 3,016,490
    • Issue date Jan 9, 1962
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2933688

    • Patent number 2,933,688
    • Issue date Apr 19, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2841708

    • Patent number 2,841,708
    • Issue date Jul 1, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2806946

    • Patent number 2,806,946
    • Issue date Sep 17, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2785305

    • Patent number 2,785,305
    • Issue date Mar 12, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2783374

    • Patent number 2,783,374
    • Issue date Feb 26, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2773982

    • Patent number 2,773,982
    • Issue date Dec 11, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2762949

    • Patent number 2,762,949
    • Issue date Sep 11, 1956
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2760062

    • Patent number 2,760,062
    • Issue date Aug 21, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2757280

    • Patent number 2,757,280
    • Issue date Jul 31, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2753489

    • Patent number 2,753,489
    • Issue date Jul 3, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2737583

    • Patent number 2,737,583
    • Issue date Mar 6, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2734134

    • Patent number 2,734,134
    • Issue date Feb 7, 1956
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2717311

    • Patent number 2,717,311
    • Issue date Sep 6, 1955
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2677759

    • Patent number 2,677,759
    • Issue date May 4, 1954
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2676253

    • Patent number 2,676,253
    • Issue date Apr 20, 1954
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2567214

    • Patent number 2,567,214
    • Issue date Sep 11, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2541932

    • Patent number 2,541,932
    • Issue date Feb 13, 1951
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2538500

    • Patent number 2,538,500
    • Issue date Jan 16, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2535377

    • Patent number 2,535,377
    • Issue date Dec 26, 1950
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2475050

    • Patent number 2,475,050
    • Issue date Jul 5, 1949
    • G08 - SIGNALLING

Patents Applicationslast 30 patents