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using several similar stages

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  • CPC
  • H03B21/04
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HELECTRICITY H03Electronic circuits H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER GENERATION OF NOISE BY SUCH CIRCUITS H03B21/00Generation of oscillations by combining unmodulated signals of different frequencies

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H03B21/04using several similar stages
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus and method for frequency multiplication
    • Patent number 11,855,650
    • Issue date Dec 26, 2023
    • Electronics and Telecommunications Research Institute
    • Dongwoo Kang
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Frequency synthesis and noise reduction
    • Patent number 9,065,458
    • Issue date Jun 23, 2015
    • BAE Systems plc
    • Robert John Mark Longstone
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Device and method for removing harmonic components
    • Patent number 8,907,713
    • Issue date Dec 9, 2014
    • Samsung Electronics Co., Ltd.
    • Seung-Woo Cho
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Frequency synthesizer for mixing reference frequencies
    • Patent number 7,345,551
    • Issue date Mar 18, 2008
    • Samsung Electronics Co., Ltd.
    • Choong-yul Cha
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Rational frequency synthesizers
    • Patent number 6,977,556
    • Issue date Dec 20, 2005
    • Broadband Innovations, Inc.
    • Branislav Petrovic
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Device for generating RF signals at multiple frequencies
    • Patent number 6,807,402
    • Issue date Oct 19, 2004
    • Bruker Biospin SA
    • Michel Weiss
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Frequency multiplier circuit and semiconductor integrated circuit
    • Patent number 6,456,143
    • Issue date Sep 24, 2002
    • Kabushiki Kaisha Toshiba
    • Hiroshi Masumoto
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Frequency hopping synthesizer using dual gate amplifiers
    • Patent number 5,661,424
    • Issue date Aug 26, 1997
    • GTE Laboratories Incorporated
    • Douglas D. Tang
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Direct frequency synthesizer having moderate bandwidth
    • Patent number 5,596,290
    • Issue date Jan 21, 1997
    • Northrop Grumman Corporation
    • Grant H. Watkins
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    High spectral purity digital waveform synthesizer
    • Patent number 5,495,202
    • Issue date Feb 27, 1996
    • Hughes Aircraft Company
    • Steve I. Hsu
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Direct frequency synthesizer
    • Patent number 5,166,629
    • Issue date Nov 24, 1992
    • Westinghouse Electric Corp.
    • Grant H. Watkins
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Direct frequency synthesizer using powers of two synthesis techniques
    • Patent number 4,878,027
    • Issue date Oct 31, 1989
    • Hewlett-Packard Company
    • Stuart L. Carp
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Direct frequency synthesizer
    • Patent number 4,791,377
    • Issue date Dec 13, 1988
    • GTE Government Systems Corporation
    • John Grandfield
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Quaternary frequency synthesizer
    • Patent number 4,636,733
    • Issue date Jan 13, 1987
    • Adret Electronique
    • Roger Charbonnier
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Direct-type binary frequency synthesizer
    • Patent number 4,425,552
    • Issue date Jan 10, 1984
    • Sperry Corporation
    • Ronald C. Stirling
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Quaternary frequency synthesizer
    • Patent number 4,008,443
    • Issue date Feb 15, 1977
    • Adret Electronic
    • Joel Remy
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3906388
    • Patent number 3,906,388
    • Issue date Sep 16, 1975
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3838355
    • Patent number 3,838,355
    • Issue date Sep 24, 1974
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3702441
    • Patent number 3,702,441
    • Issue date Nov 7, 1972
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3684976
    • Patent number 3,684,976
    • Issue date Aug 15, 1972
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3644827
    • Patent number 3,644,827
    • Issue date Feb 22, 1972
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3626315
    • Patent number 3,626,315
    • Issue date Dec 7, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3593183
    • Patent number 3,593,183
    • Issue date Jul 13, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3588694
    • Patent number 3,588,694
    • Issue date Jun 28, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3400336
    • Patent number 3,400,336
    • Issue date Sep 3, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3384834
    • Patent number 3,384,834
    • Issue date May 21, 1968
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3378774
    • Patent number 3,378,774
    • Issue date Apr 16, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3372347
    • Patent number 3,372,347
    • Issue date Mar 5, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3340474
    • Patent number 3,340,474
    • Issue date Sep 5, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3331035
    • Patent number 3,331,035
    • Issue date Jul 11, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents