Patents
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)
10/1999
10/20/1999EP0858293A4 Magnetic switching element for controlling a surgical device
10/20/1999CN2344864Y Electromagnetic power supply master switch device with protective function for motor-driven vehicle
10/19/1999US5969519 Magnetic sensor device for the detection of the position of a motor vehicle part
10/19/1999US5969244 Switch assembly for withstanding shock and vibration
10/06/1999EP0948018A2 Switch with a rocker, which has an affixed magnet
10/05/1999US5963116 Reed relay and a method of producing the reed relay
09/1999
09/29/1999EP0945951A2 Improved gas-accumulation Buchholz relay
09/22/1999EP0944150A2 Improved Buchholz relay
09/22/1999CN2340087Y Self-locking type safety switch
09/21/1999US5955714 Roll-over shunt sensor
09/15/1999CN2338872Y Sealed and magnetic explosion-proof, water-proof and seesaw type power-supply switch
09/08/1999CN2337671Y 舌簧继电器 Reed relays
09/08/1999CN2337670Y Non-contacting multi-function water flow relay
09/02/1999WO1999044210A1 Electrical switch
09/01/1999EP0938649A1 Relative location detection sensor
08/1999
08/25/1999CN2335250Y Magnetic controlled water-electricity linkage switch
08/18/1999EP0936739A1 Inductive proximity switch
08/18/1999EP0936738A1 Inductive proximity switch with one-piece housing
08/17/1999US5939961 Electric safety locking device
08/17/1999US5939638 Pressure sensor with protective internal wall
08/17/1999CA2260650A1 Inductive proximity switch
08/13/1999CA2260764A1 Inductive proximity switch with a one-piece housing
08/12/1999DE19805138A1 Differential pressure switch for compressor
08/04/1999CN2332058Y Magnetic control switch
08/03/1999US5932856 Power switch to prevent inadvertent activation of an emergency locating beacon
08/03/1999CA2005123C Means and method for measuring inductance
07/1999
07/29/1999WO1999038183A1 Reed relay and method of manufacturing the same
07/28/1999CN2331077Y Switch reverse-in/along-with the direction of magnetic energy
07/28/1999CN1224227A Relay type long service life approach switch
07/27/1999US5929731 Balanced magnetic proximity switch assembly
07/20/1999US5925861 Security door lock arrangement with magnetically operated switch in the closed door position
07/13/1999US5921783 For connecting a load to a power source
07/08/1999WO1999019892A8 Control device for providing a variable control signal to a fluid-supplying machine
07/06/1999US5920131 Arrangement for the control of electrically controllable appliances
06/1999
06/30/1999EP0925596A1 Fluid level indicator sensor
06/30/1999CN1221200A Apparatus for heating switch
06/29/1999US5917392 Switching arrangement for connecting and/or separating two sections of an electrical line
06/24/1999WO1999031691A1 Improved reed switch and method of making same
06/23/1999EP0923678A1 Proximity switch which can be inserted in a t-slot, or fixing element for the same
06/03/1999WO1999019892B1 Control device for providing a variable control signal to a fluid-supplying machine
06/02/1999EP0920042A2 Apparatus panel
06/02/1999CN1218587A Magnetic proxymity switch system
04/1999
04/28/1999EP0911973A2 Solid state capacitive switch
04/22/1999WO1999019892A1 Control device for providing a variable control signal to a fluid-supplying machine
04/21/1999CN2315654Y Jumping spring tube
04/21/1999CN2315653Y Magnetic driven micro switch with place indication
04/14/1999EP0908912A2 Float switch
04/14/1999EP0819326B1 Electromechanical connection device
04/07/1999EP0907197A1 Thermal switch device comprising reed switch and temperature-sensitive magnetic structure, supported in and outwardly by the inner cylindrical casing
04/07/1999CN2313283Y Wind-direction backflow sensor for mining use
03/1999
03/30/1999US5887446 Refrigerator equipped with a refrigerator lamp magnet switch
03/30/1999CA2165621C Display array and power control circuit
03/25/1999WO1999014778A1 Switch for sealed lighting fixtures
03/18/1999WO1999013481A1 Switch with magnetically-coupled armature
03/18/1999WO1998053472A3 Switch assemblies
03/17/1999EP0885434A4 Proximity sensor
03/16/1999US5883556 Reed switch
03/16/1999CA2121122C Shaft position indicator for a rotary or linear switch mechanism
03/09/1999US5880659 Magnetic switch assembly for detecting unauthorized opening of doors or windows
03/09/1999US5880423 Water level sensor
03/02/1999US5877664 Magnetic proximity switch system
02/1999
02/23/1999US5874878 Magnetic proximity switch system with slide-by anti-defeat machanism
02/16/1999US5871493 Surgical instrument handpiece and system
02/16/1999CA2041375C Display indicator and reed switch
02/10/1999CN2307357Y Simple air pressure controlled switch
02/09/1999US5869934 Barricade light control switch apparatus
02/02/1999US5867082 Switch with magnetically-coupled armature
01/1999
01/27/1999EP0866674A4 Surgical instrument handpiece and system
01/27/1999CN2305748Y Permanent magnetic drawing near-type switch
01/21/1999WO1999002871A1 Proximity switch which can be inserted in a t-slot, or fixing element for the same
01/20/1999EP0891893A2 Switch assemly
01/20/1999CN2304993Y Power saving switch
01/13/1999EP0778954B1 Proximity switch with magnetic field-sensitive sensor
12/1998
12/23/1998EP0885434A1 Proximity sensor
12/17/1998WO1998057342A1 Proximity switch
12/10/1998DE19723502C1 Sealed electric switch assembly, especially for power switching
12/09/1998CN2300181Y Permanent single and three phase power knife switch
12/08/1998US5847632 Reed switch
12/02/1998EP0881468A1 Bi-dimensional position sensor of magnetic type, particularly for motor vehicle applications
12/01/1998US5844458 Resilient and compressible magnet module for door channel installation
11/1998
11/26/1998WO1998053472A2 Switch assemblies
11/26/1998DE19721788A1 Power supply switching arrangement for remote controllable apparatus
11/11/1998CN2297013Y 限位继电器 Limit relay
11/11/1998CN1198581A Magnetic microswitch and making method thereof
11/05/1998WO1998049702A1 Magnetic proximity switch system with slide-by anti-defeat mechanism
11/04/1998CN2296569Y Two way pull permanent magnet approach switch
11/03/1998US5831596 Joystick controller using magnetic position sensors and a resilient control arm with sensor used to measure its flex
11/03/1998US5831536 Fuel tank alarm system
11/03/1998US5829987 Electromechanical connection device
11/03/1998US5829303 Method and apparatus for measuring a liquid level using a liquid level gauge having reed switches to determine the position of a magnetic float
10/1998
10/27/1998US5828041 Power supply cut-off apparatus of a microwave oven
10/27/1998US5827962 Hydraulic brake fluid reservoir level indicator system
10/15/1998DE19720601C1 Reed relay switching device with tuning facility
10/15/1998DE19714955A1 Switch assembly for car central component actuation
10/08/1998WO1998044525A1 Security door lock arrangement
10/07/1998CN1195179A Magnetic control switch
10/07/1998CN1195178A Electromagnetic induction switch
09/1998
09/30/1998EP0866674A1 Surgical instrument handpiece and system
09/22/1998US5811896 Switching device
09/16/1998EP0746829A4 Security alarm switch
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