Light guides for switch indicators

Patents Grantslast 30 patents

  • Information Patent Grant

    Virtual push button switch

    • Patent number 8,026,827
    • Issue date Sep 27, 2011
    • Yazaki North America, Inc.
    • Michael Boyd
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Illuminated pushbutton keyboard

    • Patent number 5,408,060
    • Issue date Apr 18, 1995
    • Nokia Mobile Phones Ltd.
    • Jari Muurinen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Illuminated switch

    • Patent number 5,336,859
    • Issue date Aug 9, 1994
    • Eaton Corporation
    • Guy A. Wojtanek
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch actuating mechanism

    • Patent number 5,280,145
    • Issue date Jan 18, 1994
    • Jay-El Products, Inc.
    • Arthur R. Mosier
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Configurable keyboard

    • Patent number 5,164,723
    • Issue date Nov 17, 1992
    • Israel D. Nebenzahl
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Uniform illumination plate

    • Patent number 5,128,842
    • Issue date Jul 7, 1992
    • Sunarrow Co., Inc.
    • Yoshio Kenmochi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Closely spaced back-lit push button array

    • Patent number 5,012,054
    • Issue date Apr 30, 1991
    • Delco Electronics Corporation
    • Mark Z. Rada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Apparatus for resetting appliance

    • Patent number 4,954,668
    • Issue date Sep 4, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Yuji Sako
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Keyboard assembly with lighting

    • Patent number 4,670,633
    • Issue date Jun 2, 1987
    • Matsushita Electric Industrial Co., Ltd.
    • Ryoichi Kaiwa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Back lighted, full travel push button membrane keyboard

    • Patent number 4,489,227
    • Issue date Dec 18, 1984
    • Sheldahl, Inc.
    • Fredrick W. Lamarche
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Change-over position display device for use in a switch

    • Patent number 4,454,399
    • Issue date Jun 12, 1984
    • Kabushiki Kaisha Tokai Rika Denki Seisakusho
    • Masaru Suzuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Passive fiber optic keyboard

    • Patent number 4,442,425
    • Issue date Apr 10, 1984
    • Sperry Corporation
    • Jules A. Eibner
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electrical switching apparatus

    • Patent number 4,254,316
    • Issue date Mar 3, 1981
    • Clark Control, Inc.
    • Walter Landow
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Pushbutton radio tuner with illuminated pushbutton display

    • Patent number 4,218,775
    • Issue date Aug 19, 1980
    • Motorola, Inc.
    • Richard S. Cox
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3916133

    • Patent number 3,916,133
    • Issue date Oct 28, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3780248

    • Patent number 3,780,248
    • Issue date Dec 18, 1973
    • G02 - OPTICS
  • Information Patent Grant

    3766349

    • Patent number 3,766,349
    • Issue date Oct 16, 1973
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3755661

    • Patent number 3,755,661
    • Issue date Aug 28, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3739512

    • Patent number 3,739,512
    • Issue date Jun 19, 1973
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3653136

    • Patent number 3,653,136
    • Issue date Apr 4, 1972
    • G08 - SIGNALLING
  • Information Patent Grant

    3636915

    • Patent number 3,636,915
    • Issue date Jan 25, 1972
    • G08 - SIGNALLING
  • Information Patent Grant

    3632938

    • Patent number 3,632,938
    • Issue date Jan 4, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3619591

    • Patent number 3,619,591
    • Issue date Nov 9, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3611359

    • Patent number 3,611,359
    • Issue date Oct 5, 1971
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3588420

    • Patent number 3,588,420
    • Issue date Jun 28, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3482542

    • Patent number 3,482,542
    • Issue date Dec 9, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3377452

    • Patent number 3,377,452
    • Issue date Apr 9, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3213269

    • Patent number 3,213,269
    • Issue date Oct 19, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3169506

    • Patent number 3,169,506
    • Issue date Feb 16, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3163739

    • Patent number 3,163,739
    • Issue date Dec 29, 1964
    • H01 - BASIC ELECTRIC ELEMENTS