Search Images Maps Play YouTube News Gmail Drive More »
Advanced Patent Search | Web History | Sign in

Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US39419649 Dec 19742 Mar 1976Bowmar Instrument CorporationPush-button type binary switch device
US39730913 Feb 19753 Aug 1976Texas Instruments IncorporatedPushbutton keyboard assembly having pole and inner contacts simultaneously engaged by a bridging contact
US39951263 Apr 197530 Nov 1976Magic Dot, Inc.Membrane keyboard apparatus
US399512810 Jan 197530 Nov 1976Texas Instruments IncorporatedPushbutton keyboard system having preformed recessed support with contacts mounted on face and in recesses
US399642710 Jan 19757 Dec 1976Texas Instruments IncorporatedPushbutton keyboard system and method of making same
US399642918 Apr 19757 Dec 1976Northern Electric Company LimitedMulti-contact push-button switch having plural prestressed contact members designed to provide plural circuit simultaneous switching inputs
US39964302 May 19757 Dec 1976Preh Elektrofeinmechanische WerkeKeyboard switch assembly having multilayer printed circuit structure
US400038914 Feb 197528 Dec 1976Hewlett-Packard CompanyPrinted circuit board and contact assembly for keyboard switch assemblies
US401899912 Sep 197419 Apr 1977Mohawk Data Sciences CorporationKeyboard switch assembly having adhesive position retainer element
US402991618 Apr 197514 Jun 1977Northern Electric Company LimitedMulti-contact push-button switch and plural embodiment for keyboard switch assembly
US403272810 Dec 197528 Jun 1977Olympia Werke AGPush button switch
US404563628 Jan 197630 Aug 1977Bowmar Instrument CorporationKeyboard switch assembly having printed circuit board with plural layer exposed contacts and undersurface jumper connections
US404698124 Dec 19756 Sep 1977Texas Instruments IncorporatedKeyboard switch with printed wiring board structure and its method of manufacture
US406836920 Aug 197617 Jan 1978Texas Instruments IncorporatedMethod of making pushbutton keyboard system
US407408821 May 197414 Feb 1978Texas Instruments IncorporatedKeyboard apparatus and method of making
US40853069 Jun 197718 Apr 1978KB-Denver, Inc.Keyboard switch assemblies
US41236276 Dec 197631 Oct 1978Texas Instruments IncorporatedKeyboard apparatus
US412593421 Nov 197421 Nov 1978Texas Instruments IncorporatedKeyboard apparatus and method of making
US412775213 Oct 197728 Nov 1978Sheldahl, Inc.Tactile touch switch panel
US419521027 Feb 197925 Mar 1980KB-Denver, Inc.Switching assemblies
US425430918 Dec 19783 Mar 1981Texas Instruments IncorporatedSnap-through characteristic keyboard switch
US428739425 Jan 19791 Sep 1981Wilhelm Ruf KGKeyboard switch assembly with printed circuit board
US431411724 Jul 19802 Feb 1982RE-AL, Inc.Membrane contact switch
US434970822 Aug 197914 Sep 1982Atari, Inc.Joystick control
US43554835 Jan 198126 Oct 1982The Quaker Oats CompanySwitch mechanism
US551272128 Sep 199330 Apr 1996Unisurge, Inc.Autoclavable electrical switch assembly for use with a medical device and medical device using the same
US575502615 Aug 199626 May 1998Delco Electronics CorporationMethod of preventing condensation on a surface housing an electronic apparatus
US706775717 Dec 200427 Jun 2006Siemens Communications Inc.Multi-tier keypad assembly
US709143317 Sep 200415 Aug 2006Emerson Electric Co.Low profile automotive latch release switch assembly
US734567026 Jun 200118 Mar 2008AnascapeImage controller
US770089015 Jan 200820 Apr 2010Research In Motion LimitedKey dome assembly with improved tactile feedback
US782981221 Sep 20079 Nov 2010Sony Ericsson Mobile Communications ABInput device and an electronic device comprising an input device