| 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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| 09/04/1979 | US4166935 Alternately-operable two-pushbutton switch |
| 08/28/1979 | US4166203 Electrical switch |
| 08/14/1979 | US4164637 Dual tread plate foot switch |
| 08/14/1979 | US4164634 Keyboard switch assembly with multiple isolated electrical engagement regions |
| 08/08/1979 | EP0003334A1 Keypad for telephone |
| 08/07/1979 | US4163883 Keyboard with illuminated keys |
| 08/07/1979 | CA1060103A1 Keyboard |
| 07/31/1979 | US4163138 Flush lighted flat keyboard assembly |
| 07/31/1979 | US4163125 Pushbutton keyboard system |
| 07/17/1979 | US4161637 Pushbutton switch |
| 07/10/1979 | US4160886 Keyboards and methods of making keyboards |
| 07/03/1979 | US4160143 Slide key |
| 07/03/1979 | US4159563 Electrical switch construction and method of making the same |
| 06/26/1979 | CA1057202A1 Matrix switch having piezoelectric characteristics |
| 06/19/1979 | CA1056882A1 Pushbutton electric switch |
| 06/13/1979 | EP0002394A1 Contact block for pushbutton and rotary switch |
| 06/12/1979 | US4158230 Electronic calculator with no protruding key tops |
| 06/12/1979 | US4158130 Interchangeable auxiliary keyboard |
| 06/12/1979 | US4158115 Internally connecting flexible switch |
| 06/12/1979 | US4158103 Electric woven switching matrix |
| 06/05/1979 | US4157463 Switch apparatus |
| 06/05/1979 | CA1055848A1 Keyboard apparatus and method of making |
| 05/29/1979 | US4156802 Electrical switch assembly |
| 05/22/1979 | US4156120 Variable spring force keyboard pad |
| 05/16/1979 | EP0001882A1 Depressible contactless key for generating electric signals in an electronic keyboard |
| 05/15/1979 | US4154997 Miniature multi-contact pushbutton switch |
| 05/15/1979 | US4154178 High density programming means for programmable sewing machine |
| 05/15/1979 | US4153987 Method for assembling keyboard |
| 05/08/1979 | US4153829 Pushbutton switch assembly |
| 05/01/1979 | US4152564 Actuating device for a battery operated module |
| 05/01/1979 | US4152563 Push-button reversing switch |
| 05/01/1979 | US4152556 Noise suppression pushbutton interlocked switch assembly |
| 04/19/1979 | WO1979000203A1 Key of miniature apparatus for data processing |
| 04/17/1979 | US4150272 Push button contact mechanism for use at printed circuit cards |
| 04/17/1979 | US4150264 Remotely controlled electric switch |
| 04/17/1979 | CA1052842A1 Lighted momentary contact switches in dual-in-line package |
| 04/04/1979 | EP0001302A1 Casing for toilet requisites |
| 04/03/1979 | US4147908 Electric switches |
| 03/27/1979 | US4146767 Push-button switch |
| 03/20/1979 | US4145590 Actuation for sequentially operating plural switches |
| 03/20/1979 | US4145589 Pushbutton arrangement |
| 03/20/1979 | US4145587 Snap action switches |
| 03/20/1979 | US4145586 Electric switches |
| 03/20/1979 | US4145584 Flexible keyboard switch with integral spacer protrusions |
| 03/13/1979 | US4144428 Electrical switch with leaf spring switching element |
| 03/13/1979 | US4144419 Push-button actuated slide switch |
| 03/07/1979 | EP0001031A1 Push button switch with snap action |
| 03/06/1979 | US4143253 Optically clear membrane switch |
| 03/06/1979 | US4143252 Remote control switch for selective operation of multifilament lamps |
| 02/27/1979 | CA1049596A1 Buckled spring switch mechanism with latching pushbutton |
| 02/21/1979 | EP0000696A1 Fingerkey arrangement for generating signals by means of keys arranged by pairs or quadratically and forming part of an AND circuit |
| 02/20/1979 | US4141075 Method of making an electronic calculator |
| 02/20/1979 | US4140883 Keyboard with selective key entry block |
| 02/20/1979 | CA1049076A1 Low profile-low bounce electrical switch apparatus |
| 02/13/1979 | US4139837 Information entry system |
| 02/13/1979 | US4139756 Push button switch with secondary push button |
| 02/06/1979 | US4138603 Operator for microswitches |
| 02/06/1979 | CA1047939A1 Touch plate assembly |
| 02/06/1979 | CA1047938A1 Tactile switch for keyboards and the like and methods of manufacture |
| 01/30/1979 | US4137440 Electrical switch |
| 01/23/1979 | US4136270 Actuator for pushbutton switch |
| 01/23/1979 | US4136269 Spring switch for mounting on a circuit board substrate |
| 01/23/1979 | US4136268 Push to talk switch |
| 01/23/1979 | CA1047082A1 Membrane switch apparatus |
| 01/16/1979 | US4135081 Electric cooking plate with a temperature limiter |
| 01/16/1979 | US4135074 Automatic keyboard operator |
| 01/16/1979 | CA1046418A1 Signal input devices and systems |
| 01/02/1979 | US4131991 Method of making flexible pressure sensitive switch |
| 01/02/1979 | CA1045696A1 Pressure sensitive mat switch construction |
| 01/02/1979 | CA1045664A1 Switching device and keyboard |
| 12/26/1978 | US4130986 Electronic watch, especially electro-optic display watch |
| 12/19/1978 | US4130780 Electronic photoflash |
| 12/19/1978 | US4130747 Miniature overtravel snap action switch with pivotal cam mounting for the switch blade |
| 12/19/1978 | US4130744 Cam actuated multiple contact spring switch |
| 12/12/1978 | US4129766 Indicating mechanism for push button switches |
| 12/12/1978 | US4129764 Push switch |
| 12/12/1978 | US4129763 Push button switch assembly |
| 12/12/1978 | US4129758 Keyboard switch assembly having flexible contact carrying member between contact carrying substrate and flexible, resilient, key-depressible bubble protrusions |
| 12/05/1978 | US4128889 Pen type electronic digital calculator |
| 12/05/1978 | US4128744 Keyboard with concave and convex domes |
| 11/28/1978 | US4127758 Tactile layer having hinged dome |
| 11/28/1978 | US4127752 Tactile touch switch panel |
| 11/28/1978 | US4127740 Routing arrangement for ground conductors in printed circuit structures |
| 11/28/1978 | CA1043402A1 Offset paddle actuator for push-rod switch |
| 11/28/1978 | CA1043401A1 Illuminated pushbutton switch |
| 11/21/1978 | US4125934 Keyboard apparatus and method of making |
| 11/21/1978 | CA1042965A1 Switch element for short-stroke push-button keys |
| 11/21/1978 | CA1042964A1 Interlocked push-lock push-button switch assembly |
| 11/07/1978 | US4124879 Illumination apparatus for use in an illuminatable pushbutton keyset and the like |
| 11/07/1978 | US4124791 Electrical switch |
| 11/07/1978 | US4124313 Keyboard assembly |
| 11/07/1978 | CA1042043A1 Electrical component with push-push switch actuator |
| 10/31/1978 | US4123641 Pushbutton switch |
| 10/31/1978 | US4123627 Keyboard apparatus |
| 10/24/1978 | US4122319 Electrical switch and its use for the control of machines |
| 10/24/1978 | US4122316 Push button switch assembly having independent operator interlock in at least two rows latching at least one operator |
| 10/17/1978 | US4121070 Enclosed push button type switch |
| 10/10/1978 | US4120044 Data encoding keyboard |
| 10/10/1978 | US4120039 Electronic digital watch combined with a computer |
| 10/10/1978 | US4119839 Keyboard mask for general-purpose calculator |