Patents for H01H 36 - Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding (3,817) |
---|
01/10/1989 | US4796472 Level detector with multiple magnetically activated switches |
12/29/1988 | DE3828964A1 Bistable magnetic contact switch |
12/20/1988 | US4792879 Mounting structure for electric and electronic circuit elements |
12/13/1988 | US4791254 Flow switch |
12/07/1988 | CN88200986U Air door sensor |
12/07/1988 | CN88200165U Intellect electrical switch |
12/07/1988 | CN87205314U Permanent-magnet explosion-proof and waterproof contact switch |
11/30/1988 | CN88202383U Floating switch |
11/30/1988 | CN88201949U Permanent-magnet explosion-proof button switch |
11/29/1988 | US4788517 Sealed proximity switch assembly |
11/24/1988 | DE3816049A1 Electric actuating switch for a medical endoscope |
11/17/1988 | EP0291231A2 Magnetic proximity switch |
11/09/1988 | EP0289956A2 Sealing structure for an electronic component |
11/09/1988 | CN88212726U 永磁开关 Permanent magnet switch |
11/09/1988 | CN87209769U Permanent-magnetic induction switch |
11/08/1988 | US4783609 Rotation detecting apparatus for use with compressor |
10/26/1988 | CN87215655U 磁性感应开关 Magnetic sensor switch |
10/26/1988 | CN87210935U Radio remote controller for household appliances |
09/28/1988 | EP0283781A1 Switching device |
09/28/1988 | CN88203717U Multiple-way switch with conslant low resistance |
08/25/1988 | DE3704470A1 Reed contact arrangement |
08/10/1988 | CN87214797U Contactless memory overrunning switch |
08/09/1988 | US4763114 Fluid flow indicator |
08/04/1988 | DE3702113A1 Filling level switch and process for adjusting it |
08/03/1988 | CN87206986U Permanent-magnet type explosion-proof and water-proof switch |
07/27/1988 | EP0275913A2 Electric switching device |
07/19/1988 | US4758819 Keysensor |
07/06/1988 | EP0273358A2 Differential pressure limit value indicator |
07/05/1988 | US4755636 Piston position detecting device for fluid pressure cylinder |
06/23/1988 | DE3643949A1 Liquid container |
06/21/1988 | US4752657 Proximity switch mounting apparatus |
06/15/1988 | CN87209224U Step-by-step combined switch |
06/14/1988 | US4751485 Waterproof switch assembly for electrical appliances |
05/31/1988 | US4748300 Liquid level indicator switch |
05/31/1988 | US4748299 Level sensing system with latching device |
05/19/1988 | DE3637974A1 Electric switch |
05/17/1988 | US4745383 Magnetic proximity switch |
05/17/1988 | CA1236895A1 Capacitance membrane switch |
05/10/1988 | US4743895 Capacitive switches |
05/10/1988 | US4743717 Apparatus for stopping electrically driven watering system |
05/03/1988 | US4742195 High temperature hermetic switch |
04/19/1988 | US4739260 Proximity sensor with remotely coupled output |
04/12/1988 | US4737751 Robbery alarm switch |
04/12/1988 | CA1235171A1 Reed switch with a housing and a pulse generator |
04/06/1988 | EP0262909A2 Touch controlled switching circuit |
03/24/1988 | DE3631108A1 Intrinsically safe proximity switch for winning machines (coal-getting machines, degraders) in underground mining (deep mining) |
03/16/1988 | EP0260091A2 Controller for electric devices directed to use in bath |
03/15/1988 | US4731548 Touch control switch circuit |
02/24/1988 | EP0256208A2 Proximity switch assembly |
02/24/1988 | EP0256004A1 Proximity sensing device |
02/17/1988 | CN87200337U Thin passive-magnetic induction adjacent switch |
02/09/1988 | US4723503 Robotic control apparatus |
01/28/1988 | DE3625057A1 Foot switch for the actuation of lifting platforms |
01/07/1988 | DE3622516A1 Device for tripping a reed switch, especially for appliances on motor vehicles for monitoring liquid levels |
12/29/1987 | US4716400 Key sensing system |
12/02/1987 | CN87203049U Safety magnetic controlling switch |
11/07/1987 | CN86206167U Multipurpose explosion-proof water-proof power switch with external magnet |
11/03/1987 | US4704524 Attachment for electronic switch |
10/13/1987 | US4700163 Removable magnetic switch security system for buildings |
10/13/1987 | US4700082 Circuit breaker |
09/23/1987 | CN86210141U Twopurpose inductive switch for power source |
09/16/1987 | EP0237171A2 Inductance divider sensor |
09/09/1987 | CN86205198U Multipositioned electric and hand control switch |
09/01/1987 | US4691185 Solid state magnetic microswitch |
08/25/1987 | CA1225853A1 Magnetically operated door chime |
08/20/1987 | DE3545149A1 Magnetic switch |
08/19/1987 | EP0232280A1 Magnetically actuated illuminating warning device for circuit breakers |
08/13/1987 | WO1987004851A1 Proximity sensing device |
08/12/1987 | EP0232172A2 Switching arrangement with thermal and magnetic functions |
07/14/1987 | US4680436 Proximity switch in mounting arrangement |
07/09/1987 | DE3605067C1 Non-contact-making magnetic switch (magnet-operated switch) |
07/07/1987 | CA1223939A1 Three plate variable capacitance switch |
05/27/1987 | DE3541564A1 Thermostatic valve with an open and shut action |
05/27/1987 | CN85108516A Safetyelectric switch for waterproof, explosion-proof and corrosion-proof |
05/21/1987 | DE3538841A1 Safety contact device operated by a magnetic field |
05/12/1987 | US4665324 Touch control apparatus for electric appliances |
05/12/1987 | US4664364 Proximity switch assembly |
05/05/1987 | US4663540 Magnetic fuel tank safety switch |
04/22/1987 | CN85204722U Long distance contactless magnetostriction switch |
04/21/1987 | US4658646 Magnetic actuator for mechanical indicator of change of state in a pressurizeable system |
03/31/1987 | US4654471 Electronic switch |
03/11/1987 | EP0213437A1 Lock switch for locks and/or lock bolts |
03/03/1987 | US4647740 Float switch assembly for refrigeration system |
02/26/1987 | WO1987001231A1 Magnetically actuated illuminating warning device for circuit breakers |
02/25/1987 | CN86203064U Three-proofing induction switch |
02/24/1987 | US4646042 Speed and distance sensor |
02/24/1987 | US4645887 Pressure differential bypass sensor switch |
02/17/1987 | US4644332 Dry lube level sensor |
02/10/1987 | US4642593 Impulse mercury relay with magnetic interlock switch |
01/24/1987 | CN86102008A Magnetic cut-out switch |
01/20/1987 | US4638278 Magnetic detector apparatus |
01/20/1987 | US4638276 Reed switch with a housing and a pulse generator |
01/07/1987 | EP0207270A2 Contactless working proximity switching device |
12/30/1986 | US4632352 Mount for a proximity sensor |
12/23/1986 | US4631375 Delayed action liquid level sensing apparatus |
12/16/1986 | US4629131 Magnetic safety interlock for a food processor utilizing vertically oriented, quadrant coded magnets |
12/10/1986 | EP0204050A1 Electric or electronic control keyboards |
12/10/1986 | EP0203914A1 Touch controlled display device. |
12/09/1986 | US4628162 Fluid level indicator for a reservoir |
12/09/1986 | US4627277 Magnet selector or switch |