|
| US3947390 | 23 sept. 1974 | 30 mars 1976 | Xerox Corporation | Arch shaped snap-type switch contact |
| US3959610 | 13 déc. 1974 | 25 mai 1976 | Motorola, Inc. | Hermetically sealed keyboard type assembly with elastomeric electrical connecting link between switch and component modules |
| US3971902 | 21 mars 1975 | 27 juil. 1976 | AMP Incorporated | Keyboard switch assembly having one piece plural pushbutton actuator and resilient mounting structure for plural cantilever beam contacts |
| US3978297 | 31 mars 1975 | 31 août 1976 | Chomerics, Inc. | Keyboard switch assembly with improved pushbutton and associated double snap acting actuator/contactor structure |
| US3988551 | 3 avr. 1975 | 26 oct. 1976 | Magic Dot, Inc. | Membrane keyboard apparatus having common apertured electrode, aperture inserted electrodes and conductive bubble contactors |
| US3995126 | 3 avr. 1975 | 30 nov. 1976 | Magic Dot, Inc. | Membrane keyboard apparatus |
| US3996430 | 2 mai 1975 | 7 déc. 1976 | Preh Elektrofeinmechanische Werke | Keyboard switch assembly having multilayer printed circuit structure |
| US4005293 | 29 nov. 1974 | 25 janv. 1977 | Texas Instruments Incorporated | Pushbutton keyboard switch assembly having individual concave-convex contacts integrally attached to conductor strips |
| US4017697 | 15 sept. 1975 | 12 avr. 1977 | Globe-Union Inc. | Keyboard membrane switch having threshold force structure |
| US4021630 | 25 avr. 1975 | 3 mai 1977 | Neomed Incorporated | Hermetically sealed resilient contact switch having surgical applications |
| US4022993 | 9 juin 1975 | 10 mai 1977 | Litton Systems, Inc. | Switch assembly having electrically illuminated character display devices between transparent actuators and switch arrays |
| US4028509 | 29 août 1975 | 7 juin 1977 | Hughes Aircraft Company | Simplified tabulator keyboard assembly for use in watch/calculator having transparent foldable flexible printed circuit board with contacts and actuator indicia |
| US4033030 | 15 mars 1976 | 5 juil. 1977 | Mohawk Data Sciences Corporation | Method of manufacturing keyswitch assemblies |
| US4034176 | 11 juin 1975 | 5 juil. 1977 | Magic Dot, Inc. | Membrane switch apparatus |
| US4035593 | 9 oct. 1975 | 12 juil. 1977 | Northern Engraving Company, Inc. | Flexible pressure sensitive switch actuator module adaptable to a keyboard surface having fixed contact array |
| US4045636 | 28 janv. 1976 | 30 août 1977 | Bowmar Instrument Corporation | Keyboard switch assembly having printed circuit board with plural layer exposed contacts and undersurface jumper connections |
| US4046975 | 22 sept. 1975 | 6 sept. 1977 | Chomerics, Inc. | Keyboard switch assembly having internal gas passages preformed in spacer member |
| US4055735 | 23 oct. 1975 | 25 oct. 1977 | Honeywell Information Systems Inc. | Touch sensitive device |
| US4060703 | 10 nov. 1976 | 29 nov. 1977 | | Keyboard switch assembly with tactile feedback having illuminated laminated layers including opaque or transparent conductive layer |
| US4065649 | 14 juin 1976 | 27 déc. 1977 | Lake Center Industries | Pressure sensitive matrix switch having apertured spacer with flexible double sided adhesive intermediate and channels optionally interposed between apertures |
| US4066851 | 1 juil. 1976 | 3 janv. 1978 | Chomerics, Inc. | Keyboard switch assembly having foldable printed circuit board, integral spacer and preformed depression-type alignment fold |
| US4066860 | 25 sept. 1975 | 3 janv. 1978 | Sharp Kabushiki Kaisha | Pushbutton switch key arrangement for keyboards having indicia |
| US4067102 | 14 mars 1975 | 10 janv. 1978 | Essex International, Inc. | Methods of manufacturing tactile switch for keyboards and the like |
| US4068369 | 20 août 1976 | 17 janv. 1978 | Texas Instruments Incorporated | Method of making pushbutton keyboard system |
| US4070555 | 28 nov. 1975 | 24 janv. 1978 | The Alliance Manufacturing Company | Switching mechanism |
| US4072004 | 11 févr. 1976 | 7 févr. 1978 | Kabushiki Kaisha Daini Seikosha | Switching construction for a handy electronic device |
| US4081898 | 5 mai 1976 | 4 avr. 1978 | Texas Instruments Incorporated | Method of manufacturing an electronic calculator utilizing a flexible carrier |
| US4096364 | 22 févr. 1977 | 20 juin 1978 | Chomerics, Inc. | Keyboard switch assembly having flexible contact layer with snap initiator dome |
| US4117292 | 10 juin 1977 | 26 sept. 1978 | Telaris Telecommunications, Inc. | Dual spring actuator for keyboard switch assembly |
| US4118858 | 11 mars 1977 | 10 oct. 1978 | Texas Instruments Incorporated | Method of making an electronic calculator |
| US4127752 | 13 oct. 1977 | 28 nov. 1978 | Sheldahl, Inc. | Tactile touch switch panel |
| US4127758 | 13 oct. 1977 | 28 nov. 1978 | Sheldahl, Inc. | Tactile layer having hinged dome |
| US4128744 | 22 févr. 1977 | 5 déc. 1978 | Chomerics, Inc. | Keyboard with concave and convex domes |
| US4129758 | 10 juin 1977 | 12 déc. 1978 | Telaris Telecommunications, Inc. | Keyboard switch assembly having flexible contact carrying member between contact carrying substrate and flexible, resilient, key-depressible bubble protrusions |
| US4145584 | 25 avr. 1977 | 20 mars 1979 | | Flexible keyboard switch with integral spacer protrusions |
| US4153987 | 14 févr. 1977 | 15 mai 1979 | Texas Instruments Incorporated | Method for assembling keyboard |
| US4164634 | 10 juin 1977 | 14 août 1979 | Telaris Telecommunications, Inc. | Keyboard switch assembly with multiple isolated electrical engagement regions |
| US4180336 | 25 nov. 1977 | 25 déc. 1979 | Safeway Stores, Incorporated | Touch checking key tops for keyboard |
| US4180711 | 14 sept. 1977 | 25 déc. 1979 | Canon Kabushiki Kaisha | Desk-top calculator keyboard switch |
| US4181964 | 2 juil. 1975 | 1 janv. 1980 | Texas Instruments Incorporated | Integrated electronics assembly on a plastic chassis |
| US4190748 | 31 janv. 1977 | 26 févr. 1980 | Rogers Corporation | Keyboard switch assembly |
| US4194097 | 12 juin 1978 | 18 mars 1980 | NCR Corporation | Membrane keyboard apparatus with tactile feedback |
| US4194099 | 25 oct. 1977 | 18 mars 1980 | W. H. Brady Co. | Control panel overlay |
| US4204098 | 25 févr. 1977 | 20 mai 1980 | Tektronix, Inc. | Multiple circuit switch assembly |
| US4207443 | 9 août 1978 | 10 juin 1980 | Mikado Precision Industries Ltd. | Key-operated switch and an assemblage of such switches for electronic desk calculators or the like |
| US4216968 | 11 oct. 1978 | 12 août 1980 | | Self-scoring multiple function dart game |
| US4228330 | 10 juil. 1978 | 14 oct. 1980 | Litton Systems, Inc. | Touch panel mechanism |
| US4249054 | 28 févr. 1979 | 3 févr. 1981 | Sharp Kabushiki Kaisha | Metallic housing for an electronic apparatus with a flat keyboard |
| US4251734 | 4 mai 1979 | 17 févr. 1981 | Chomerics, Inc. | Publications cover with display device |
| US4254309 | 18 déc. 1978 | 3 mars 1981 | Texas Instruments Incorporated | Snap-through characteristic keyboard switch |
| US4259551 | 14 mars 1979 | 31 mars 1981 | Citizen Watch Co., Ltd. | External operation device for electronic timepieces |
| US4264477 | 21 févr. 1978 | 28 avr. 1981 | Chomerics, Inc. | Keyboard |
| US4289940 | 21 nov. 1979 | 15 sept. 1981 | Shin-Etsu Polymer Company, Ltd. | Keyboard switch covering pads |
| US4292510 | 15 mars 1979 | 29 sept. 1981 | | Keyboard for a miniature calculator |
| US4301378 | 29 nov. 1979 | 17 nov. 1981 | Motorola, Inc. | Dual rate bi-directional switch |
| US4314116 | 23 juin 1980 | 2 févr. 1982 | Rogers Corporation | Keyboard switch with graphic overlay |
| US4314117 | 24 juil. 1980 | 2 févr. 1982 | RE-AL, Inc. | Membrane contact switch |
| US4322587 | 6 déc. 1979 | 30 mars 1982 | Rogers Corporation | Keyboard device |
| US4345119 | 19 févr. 1981 | 17 août 1982 | Motorola Inc. | Membrane switch assembly with improved spacer |
| US4354068 | 4 févr. 1980 | 12 oct. 1982 | Texas Instruments Incorporated | Long travel elastomer keyboard |
| US4362911 | 17 sept. 1980 | 7 déc. 1982 | NCR Corporation | Membrane keyboard switch assembly having selectable tactile properties |
| US4376239 | 30 avr. 1982 | 8 mars 1983 | Allen-Bradley Company | Industrial membrane switch |
| US4390758 | 16 janv. 1981 | 28 juin 1983 | | Key-actuated electrical lock |
| US4402131 | 4 nov. 1981 | 6 sept. 1983 | Advanced Circuit Technology | Electrical switch assembly and method of manufacture |
| US4423294 | 17 juin 1982 | 27 déc. 1983 | The Hall Company | Laminate switch assembly having improved durability |
| US4440999 | 13 août 1982 | 3 avr. 1984 | Press On, Inc. | Membrane switch |
| US4446342 | 5 août 1981 | 1 mai 1984 | Advanced Circuit Technology | Electrical switch assembly and method of manufacture |
| US4465209 | 2 août 1982 | 14 août 1984 | Dover Corporation | Information center for gasoline dispensing nozzle |
| US4471177 | 13 août 1982 | 11 sept. 1984 | Press On, Inc. | Enlarged switch area membrane switch and method |
| US4471189 | 31 août 1982 | 11 sept. 1984 | La Telemecanique Electrique | Sealed, modular keyboard providing a tactile feel |
| US4477700 | 14 nov. 1983 | 16 oct. 1984 | Rogers Corporation | Tactile membrane keyboard with elliptical tactile key elements |
| US4488016 | 24 janv. 1983 | 11 déc. 1984 | AMP Incorporated | Membrane switch having crossing circuit conductors |
| US4492829 | 13 févr. 1984 | 8 janv. 1985 | Rogers Corporation | Tactile membrane keyboard with asymmetrical tactile key elements |
| US4493959 | 7 mars 1983 | 15 janv. 1985 | Preh Elektrofeinmechanische Werke Jakob Preh Nachf., GmbH & Co. | Keyboard with improved key design permitting tilting about either side |
| US4499342 | 3 mars 1983 | 12 févr. 1985 | Murakami Kaimeido Co., Ltd. | Multi-position electric switch |
| US4510353 | 31 janv. 1983 | 9 avr. 1985 | Arrow Display Company, Inc. | Method and kit for construction of custom prototype membrane switch panel |
| US4517421 | 18 févr. 1983 | 14 mai 1985 | | Resilient deformable keyboard |
| US4533555 | 9 mai 1984 | 6 août 1985 | RCA Corporation | Apparatus for thermoforming dome-shaped actuating elements for membrane switches |
| US4540865 | 29 févr. 1984 | 10 sept. 1985 | Plessey Overseas Limited | Push buttons |
| US4558231 | 1 nov. 1982 | 10 déc. 1985 | Motorola, Inc. | Variable rate bi-directional slew control and method therefor |
| US4565910 | 19 nov. 1984 | 21 janv. 1986 | Bed-Check Corporation | Switch apparatus responsive to distortion |
| US4598472 | 19 août 1983 | 8 juil. 1986 | AMP Incorporated | Method for forming a hemispherically shaped switch assembly |
| US4605828 | 29 mai 1984 | 12 août 1986 | International Business Machines Corporation | Membrane keyboard switch mounting |
| US4640994 | 7 févr. 1986 | 3 févr. 1987 | Sharp Kabushiki Kaisha | Electronic apparatus with a flat panel keyboard unit |
| US4647729 | 7 oct. 1985 | 3 mars 1987 | Northern Telecom Limited | Circuit board with contact positions, as used for telecommunications terminals and other apparatus |
| US4684767 | 7 juil. 1986 | 4 août 1987 | | Tactile affirmative response membrane switch |
| US4695681 | 15 mai 1986 | 22 sept. 1987 | Velleman-Switch, naamloze vennootschap | Membrane for membrane switches and composing elements thereof |
| US4720610 | 19 déc. 1986 | 19 janv. 1988 | AMP Incorporated | Membrane key switch with anti-inversion feature |
| US4742192 | 1 juin 1987 | 3 mai 1988 | Saturn Corporation | Steering wheel rim horn blow mechanism |
| US4831219 | 2 août 1988 | 16 mai 1989 | Kabushiki Kaisha Bandai | Keyboard |
| US4857683 | 28 déc. 1988 | 15 août 1989 | W. H. Brady Co. | Membrane switchcores with key cell contact elements connected together for continuous path testing |
| US4899244 | 28 juil. 1988 | 6 févr. 1990 | Polaroid Corporation | Disk cartridge with hub seal |
| US4922070 | 16 déc. 1988 | 1 mai 1990 | Motorola, Inc. | Switch assembly |
| US4929804 | 1 déc. 1988 | 29 mai 1990 | Toshiba Silicone Co., Ltd. | Push button switch |
| US4977298 | 8 sept. 1989 | 11 déc. 1990 | Matsushita Electric Industrial Co., Ltd. | Panel switch |
| US5061830 | 16 avr. 1990 | 29 oct. 1991 | | Extension electrical switch system and method of manufacture |
| US5095302 | 19 juin 1989 | 10 mars 1992 | International Business Machines Corporation | Three dimensional mouse via finger ring or cavity |
| US5117073 | 2 avr. 1991 | 26 mai 1992 | Motorola, Inc. | Control signal initiator responsive to a hinge position |
| US5121091 | 27 sept. 1990 | 9 juin 1992 | Matsushita Electric Industrial Co., Ltd. | Panel switch |
| US5147990 | 1 avr. 1991 | 15 sept. 1992 | Motorola, Inc. | Integral slide switch |
| US5177330 | 16 juil. 1991 | 5 janv. 1993 | Futaba Denshi Kogyo K.K. | Key board switch |
| US5212473 | 21 févr. 1991 | 18 mai 1993 | TypeRight Keyboard Corp. | Membrane keyboard and method of using same |
| US5274217 | 8 oct. 1991 | 28 déc. 1993 | Fritz Hartmann Geratebau GmbH & Co. KG | Keyboard having keys with different heights |
| US5403980 | 6 août 1993 | 4 avr. 1995 | Iowa State University Research Foundation, Inc. | Touch sensitive switch pads |
| US5430263 | 29 juin 1994 | 4 juil. 1995 | Key Tronic Corporation | Computer keyboard with integral dome sheet and support pegs |
| US5448028 | 10 déc. 1993 | 5 sept. 1995 | Davidson Textron, Inc. | Armrest electrical switch arrangement with soft interior trim panel |
| US5493082 | 9 août 1994 | 20 févr. 1996 | Hughes Aircraft Company | Elastomeric switch for electronic devices |
| US5521342 | 27 déc. 1994 | 28 mai 1996 | General Motors Corporation | Switch having combined light pipe and printed circuit board |
| US5670760 | 24 oct. 1995 | 23 sept. 1997 | Golden Books Publishing Company, Inc. | Multi-switch membrane-switch assembly |
| US5969320 | 10 juil. 1998 | 19 oct. 1999 | NCR Corporation | Keyboard |
| US6100484 | 21 nov. 1997 | 8 août 2000 | Molex Incorporated | Electrical switch with insert-molded circuitry |
| US6349984 | 5 avr. 1999 | 26 févr. 2002 | | Illuminated activator for an internal vehicle trunk release mechanism |
| US6590177 | 3 juin 2002 | 8 juil. 2003 | Fujikura Ltd.
Aisin Seiki Kabushiki Kaisha | Membrane switch and pressure sensitive sensor |
| US6887001 | 13 mai 2002 | 3 mai 2005 | NEC Corporation | Key button structure for handheld mobile phone and its similar instrument, and method for forming the same |
| US8061912 | 9 août 2007 | 22 nov. 2011 | Shenzhen Futaihong Precision Industry Co., Ltd.
FIH (Hong Kong) Limited | Keypad assembly and portable electronic device using same |
| USD313398 | 3 mars 1988 | 1 janv. 1991 | | Electronic window remote-control |
| USD582355 | 4 janv. 2008 | 9 déc. 2008 | Siemens Aktiengesellschaft | Control elements for an electrical device |
