| Patents for H01H 13 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch (26,806) |
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| 06/10/1980 | US4207443 Key-operated switch and an assemblage of such switches for electronic desk calculators or the like |
| 06/10/1980 | CA1079400A1 Magnetic keyswitch with two-piece support assembly |
| 06/03/1980 | US4206333 Double pole sliding contact trigger switch with sequential auxiliary butt contacts |
| 06/03/1980 | US4206328 Pushbutton assembly |
| 06/03/1980 | CA1078901A1 Flat keyboard assembly |
| 05/29/1980 | WO1980001125A1 Access arrangement with keys for distribution and dialogue |
| 05/28/1980 | EP0011593A1 Control device with a keyboard for distribution and dialogue services |
| 05/28/1980 | EP0011440A1 Double-pole trigger speed control switch |
| 05/28/1980 | EP0011413A1 Switch |
| 05/28/1980 | EP0011320A2 Housing with a push switch for electrical apparatus |
| 05/27/1980 | CA1078502A1 Auxiliary keyboard apparatus |
| 05/27/1980 | CA1078479A1 Isolated paths connector and isolated path coupling system |
| 05/20/1980 | US4204102 Electrical switch |
| 05/20/1980 | CA1078054A1 Dual purpose, weather resistant data terminal keyboard assembly including audio porting |
| 05/15/1980 | WO1980001018A1 Electric switch utilizing coil spring torsion biasing in switch operation |
| 05/13/1980 | US4203016 Electric switch utilizing coil spring torsion biasing in switch operation |
| 05/13/1980 | US4203013 Alphanumeric control keyboard with depressible keys for electric or electronic machines |
| 05/13/1980 | US4202640 Keyboard assembly |
| 05/06/1980 | US4201489 Keyboard actuatable with the aid of the fingers of at least one hand |
| 05/06/1980 | US4201043 Wristwatch calculator imput key positioning assembly |
| 05/06/1980 | CA1077104A1 Hinged flyplate actuator |
| 05/06/1980 | CA1077102A1 Snap-action switch |
| 05/06/1980 | CA1077101A1 Low profile lighted push button switch |
| 05/01/1980 | WO1980000882A1 Solid state noncontacting keyboard employing a differential transformer element |
| 04/29/1980 | US4200781 Manual switch for portable tools |
| 04/29/1980 | US4200778 Electric keyboard of snap-contact type |
| 04/22/1980 | US4199637 Anisotropically pressure-sensitive electroconductive composite sheets and method for the preparation thereof |
| 04/08/1980 | US4197586 Electronic calculator assembly |
| 04/08/1980 | US4197440 Push button mechanism for controlling a contact unit |
| 04/08/1980 | US4197439 Touch-responsive indicator switch |
| 04/08/1980 | US4197437 Snap-action switch |
| 04/08/1980 | CA1075343A1 Simple touch sensitive membrane keyboard apparatus |
| 04/02/1980 | EP0009420A1 A noncontacting switch device employing a differential transformer element |
| 04/02/1980 | EP0009400A1 Alternately-operable two-pushbutton electrical switch |
| 04/01/1980 | US4196328 Electric switch |
| 03/25/1980 | US4195210 Switching assemblies |
| 03/25/1980 | CA1074377A1 Electric switch and contact bridging member therefor |
| 03/25/1980 | CA1074376A1 Push-button switch |
| 03/19/1980 | EP0008866A1 Electrical switches |
| 03/18/1980 | US4194105 Switches |
| 03/18/1980 | US4194104 Push button adapter for slide switch |
| 03/18/1980 | US4194099 Control panel overlay |
| 03/18/1980 | US4194097 Membrane keyboard apparatus with tactile feedback |
| 03/18/1980 | US4193181 Method for mounting electrically conductive wires to a substrate |
| 03/18/1980 | CA1073684A1 Dual function pusher and rotate switch for solid state digital watches |
| 03/11/1980 | US4192976 Pushbutton call transmitter |
| 03/11/1980 | US4192060 Method of constructing liquid crystal display |
| 03/04/1980 | US4191871 Push-button assembly |
| 03/04/1980 | US4190951 Method for facilitating attachment of wires to a motherboard |
| 02/26/1980 | US4190748 Keyboard switch assembly |
| 02/19/1980 | CA1072165A1 Switch latching mechanism |
| 02/12/1980 | US4188518 Miniature electrical push button contactor |
| 02/05/1980 | US4186638 Keyboard device for an electronic musical instrument |
| 01/29/1980 | US4186290 Push button switch |
| 01/29/1980 | US4186285 Multiple pushbutton switch assembly |
| 01/23/1980 | EP0007280A1 Improvements in electrical control devices of the push-button type |
| 01/23/1980 | EP0006928A1 Key of miniature apparatus for data processing |
| 01/22/1980 | US4184321 Electronic wristwatch with calculator having improved conductive packing sheet switch element |
| 01/22/1980 | CA1070411A1 Signal input devices and systems |
| 01/15/1980 | US4184147 Input device for input of alphanumeric characters into a computer |
| 01/15/1980 | US4184141 Slow socket |
| 01/01/1980 | US4181964 Integrated electronics assembly on a plastic chassis |
| 01/01/1980 | US4181834 Pedal stopper parking brake switch |
| 01/01/1980 | US4181826 Dome switch actuating apparatus |
| 12/25/1979 | US4180716 Switch having lock-off and lock-on |
| 12/25/1979 | US4180711 Desk-top calculator keyboard switch |
| 12/25/1979 | US4180336 Touch checking key tops for keyboard |
| 12/25/1979 | CA1068756A Push-lock switch unit and assemblies thereof |
| 12/18/1979 | US4179644 Power tool switch including speed control |
| 12/18/1979 | US4179594 Illuminated pushbutton assembly |
| 12/18/1979 | CA1068316A1 Push button type switch operator |
| 12/11/1979 | US4178493 Pushbutton switch with collar |
| 12/11/1979 | US4178481 Electrical data entry devices |
| 12/11/1979 | CA1067943A1 Snap action switch contact blade |
| 12/11/1979 | CA1067942A1 Push-button switch assembly |
| 12/04/1979 | US4177501 Illuminated keyboard |
| 12/04/1979 | US4177367 Push button switch |
| 12/04/1979 | US4177364 Multiple pushbutton switch |
| 12/04/1979 | US4177363 Interlocking and maintaining attachment for two standard pushbuttons |
| 12/04/1979 | CA1067600A1 Touch-sensitive door control device |
| 11/27/1979 | CA1067123A1 Multiple push-switch apparatus |
| 11/20/1979 | US4175223 Position responsive switch |
| 11/20/1979 | US4175222 Pushbutton switch |
| 11/14/1979 | EP0005175A1 Key selector |
| 11/06/1979 | CA1065761A1 Membrane keyboard apparatus capable of providing sequential output signals |
| 11/06/1979 | CA1065617A1 Pusher and switch device for electronic watch |
| 10/30/1979 | CA1065260A1 Touch sensitive membrane keyboard apparatus |
| 10/23/1979 | US4172251 Self-encoding key switch and keyboard and keyboard system utilizing the same |
| 10/23/1979 | CA1064996A1 Electric switch with pivotally slidable contact |
| 10/23/1979 | CA1064995A1 Electric switch with pivotally slidable contact |
| 10/17/1979 | EP0004544A2 Switch unit with latching positions |
| 10/02/1979 | US4169974 Push operated momentary switch |
| 10/02/1979 | US4169971 Electrical switch construction |
| 09/18/1979 | US4168412 Electrical switch construction and method of making the same |
| 09/18/1979 | US4168411 Closure switch for a compartment |
| 09/18/1979 | US4168408 Limit switch utilizing an improved actuator |
| 09/11/1979 | US4167721 Hermetic motor protector |
| 09/11/1979 | US4167657 Keyboard with mechanical encoding |
| 09/05/1979 | EP0003844A1 Electric switch adapted to be opened and closed by successive operations of a push-button |
| 09/04/1979 | US4166939 Impulse actuator unit for switches |