to eliminate stroboscopic effects

Patents Grantslast 30 patents

  • Information Patent Grant

    Perceptible flickering reduction

    • Patent number 7,573,206
    • Issue date Aug 11, 2009
    • Hewlett-Packard Development Company, L.P.
    • Peter C. Nicholson
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Illuminator

    • Patent number 7,005,803
    • Issue date Feb 28, 2006
    • Digital Alliance Co., Ltd.
    • Akio Abiko
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Discharge lamp lighting circuit

    • Patent number 6,617,809
    • Issue date Sep 9, 2003
    • Koito Manufacturing Co., Ltd.
    • Masayasu Ito
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Multiple lamp ballast system

    • Patent number 6,346,782
    • Issue date Feb 12, 2002
    • Genlyte Thomas Group LLC
    • David W. Knoble
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Circuitry for operating fluorescent lamps with no stroboscopic effects

    • Patent number 5,434,476
    • Issue date Jul 18, 1995
    • Harald Franke
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3822394

    • Patent number 3,822,394
    • Issue date Jul 2, 1974
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3725730

    • Patent number 3,725,730
    • Issue date Apr 3, 1973
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3576466

    • Patent number 3,576,466
    • Issue date Apr 27, 1971
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3462643

    • Patent number 3,462,643
    • Issue date Aug 19, 1969
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3324349

    • Patent number 3,324,349
    • Issue date Jun 6, 1967
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3132285

    • Patent number 3,132,285
    • Issue date May 5, 1964
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2627591

    • Patent number 2,627,591
    • Issue date Feb 3, 1953
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2436399

    • Patent number 2,436,399
    • Issue date Feb 24, 1948
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2436400

    • Patent number 2,436,400
    • Issue date Feb 24, 1948
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2402207

    • Patent number 2,402,207
    • Issue date Jun 18, 1946
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2314311

    • Patent number 2,314,311
    • Issue date Mar 16, 1943
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Perceptible flickering reduction

    • Publication number 20070164714
    • Publication date Jul 19, 2007
    • Peter C. Nicholson
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Illuminator

    • Publication number 20050134184
    • Publication date Jun 23, 2005
    • Digital Alliance Co., Ltd.
    • Akio Abiko
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Discharge lamp lighting circuit

    • Publication number 20020109469
    • Publication date Aug 15, 2002
    • Masayasu Ito
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...