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)
08/1995
08/22/1995US5444200 Ice detection device
08/09/1995CN2205054Y Separate magnetic controlling switch
08/08/1995US5438869 Protective reed switch housing
08/02/1995EP0665440A1 Device for indicating that a current passage occured in the conductors of lightning protection equipment
07/1995
07/26/1995CN1105772A Removable magnetic zero/span actuator for a transmitter
07/25/1995US5435181 Electronic float gauge
07/12/1995CN2203492Y Magnetic induction power supply controller
07/04/1995US5430421 Reed contactor and process of fabricating suspended tridimensional metallic microstructure
06/1995
06/21/1995CN2201735Y 安全电路连接器 Safety circuit connector
06/21/1995CN2201726Y Waterproof induction switch
06/20/1995US5426271 Liquid level sensor
06/14/1995CN2200865Y Induction plug and socket
06/07/1995CN1103520A 容性传感器电路 Capacitive sensor circuit
06/01/1995WO1995014438A1 Magnetic induction digital control device
06/01/1995DE4340704A1 Fuel, oil and water level-sensing switch with float at constant distance from reed contact
05/1995
05/16/1995US5416456 Magnetic switch assemblies for home security systems
05/03/1995CN2196328Y Magnetic control energy saving switch for loom
05/03/1995CN2196327Y Magnetic control switch
05/02/1995US5412361 Solderless flushmount security proximity switches and methods of constructing and utilizing same
04/1995
04/19/1995EP0649008A2 Zirconia diaphragm structure, method of producing the same, and piezoelectric/electrostrictive film element having the zirconia diaphragm structure
04/19/1995EP0648702A1 Multiple actuator mechanical switch
04/19/1995CN2195137Y Dry-reed relay
04/14/1995CA2117717A1 Dual actuator mechanical switch
04/11/1995US5406252 Seat belt warning device
04/11/1995US5404756 Method of making a capacitive pressure sensor
04/04/1995US5403648 Contact sensitive substrate
03/1995
03/21/1995US5400008 Location marker
03/15/1995EP0642696A1 Traffic accident detecting sensor for a passenger protection system in a vehicle.
03/15/1995CN1100194A Sensor for pressure controlled switching valve for refrigeration system
03/08/1995CN1099902A Apparatus for driving reed switch and assembling structure
02/1995
02/15/1995EP0383823B1 Transmitter with magnetic zero/span actuator
02/15/1995CN2189781Y 磁感应开关 Magnetic switch
02/02/1995DE4325620A1 Mercury-free float switch
01/1995
01/25/1995CN2188221Y Electric main command signal preset control switchgear for excavator
01/18/1995EP0634050A1 Temperature operated switch construction and method of making the same
01/18/1995EP0634037A1 Joystick.
01/12/1995DE4418948A1 Mounting base for an inductive proximity switch
01/05/1995WO1995000864A1 Magnetic screen
01/05/1995DE4320994A1 Sensor having a reed contact
01/04/1995EP0632593A1 Capacitive sensor circuit
01/02/1995CA2126964A1 Capacitive sensor circuit
12/1994
12/28/1994EP0376949B1 Electric or electronic control keyboard
12/20/1994US5374790 For attachment to a tank
12/15/1994DE4331865C1 Container for liquids
12/14/1994EP0628981A1 Protective switching device with operating mechanism
12/14/1994CN2185469Y Light touch type general magnetic attraction electric switch
12/13/1994US5373122 For mounting on a wall of an elevator shaft
12/07/1994CN2184978Y Core hole type multi-level float program control switch
11/1994
11/29/1994US5369396 Apparatus for detecting a level of liquid
11/29/1994US5369386 Removable magnetic zero/span actuator for a transmitter
11/16/1994CN2183035Y Combined switch box with socket for 2 pins or 3 pins plug
11/09/1994CN2182449Y Liquid alarm switch
11/02/1994EP0447449B1 Means and method for measuring inductance
11/02/1994CN2181743Y Combined magnetic steel for permanent-magnet inductor
10/1994
10/26/1994EP0621021A1 Device for controlling peripheral apparatus by tongue movement and method for processing control signals
10/12/1994EP0619463A1 Sensor for pressure controlled switching valve for refrigeration system
10/12/1994EP0573471B1 Electromechanical connecting device
10/12/1994CN2179629Y Water-proof corrosion resistance and explosion resistance electrical knife switch
10/05/1994EP0617834A1 Mercury wetted switch.
10/05/1994CN2178936Y Anti-interference, non-contact momery switch
10/04/1994US5351548 Capacitive pressure sensor
09/1994
09/20/1994US5347864 Liquid level measuring apparatus
09/15/1994DE4308038A1 Switch which is arranged in a housing
09/01/1994WO1994019918A1 Touch control supply system for electrical equipment, method of manufacture and applications
09/01/1994CA2156074A1 Touch control for electrical equipment power supply
08/1994
08/03/1994EP0608360A1 Shaft position indicator for a rotary or linear switch mechanism
07/1994
07/27/1994CN2172909Y Lighting delay-action circuit breaker
07/26/1994US5332992 Security alarm switch
07/26/1994US5331856 Pressure devices
07/26/1994CA2088035A1 Safety switch integral with a wall receptacle operable via a central vacuum system hose
07/19/1994CA1330833C Transmitter with magnetic zero/span actuator
06/1994
06/22/1994EP0602538A1 Reed switch and manufacturing process for suspended three-dimensional metallic microstructures
06/15/1994CN2169196Y External magnetic waterproof and explosionproof switch
06/09/1994DE4341120A1 Press. sensor, esp. capacitive press. sensor for vehicle fuel system - has substrate and membrane carrying electrodes, separated by distance piece and held by elastic clamp
06/08/1994EP0600780A1 Control switch for a domestic cooking appliance
06/08/1994CN2168331Y Permanent magnetic see-saw switch
06/01/1994EP0598919A1 Shock sensor
06/01/1994CN2167440Y Permanent magnetic separating type touching switch
05/1994
05/31/1994CA1329942C High switching speed, coaxial switch for r.f. signals
05/18/1994EP0597570A1 Magnetic actuators
04/1994
04/28/1994WO1994009501A1 Mercury wetted switch
04/20/1994CN2162707Y Speedy magnetic switch
04/19/1994US5304852 Fluid drop detecting reservoir tank
04/13/1994CN2161985Y Magnetic shield magnetic control switch device
03/1994
03/23/1994CN2159612Y Magnetic level switch
03/09/1994CN1083622A Isolated magnetic control switch
03/08/1994US5293523 Unidirectional magnetic proximity detector
03/08/1994US5293015 Apparatus for adjustably positioning switches
03/01/1994US5290981 Switch positioning apparatus and method
02/1994
02/15/1994US5285652 Sensor for pressure controlled switching valve for refrigeration system
02/02/1994EP0580810A1 Temperature operated switch construction
01/1994
01/26/1994CN2154533Y Magnetic controlled switch for pressure water pump of household
01/20/1994DE4224610C1 Pivoted lever mechanism for positioning optical mirror using electric motor - has two drive windings offset angularly to provide max torque adjacent each end position of lever mechanism
01/11/1994US5278543 Transmitter with magnetic zero/span actuator
01/11/1994US5278530 Switch mechanism, mounting assembly, and shaft position indicator device for a rotary or linear valve
01/11/1994US5278362 Push-button switch with display device
01/05/1994CN1080395A Level switch
12/1993
12/23/1993WO1993026026A1 Shock sensor
12/23/1993DE4219823A1 Magnetically operated tilt switch with movable magnetically permeable ball - uses longer and shorter glass tubes contg. respectively break-before-make contact set and steel ball displaceable in paraxial direction.
12/22/1993CN2150623Y 磁感开关 Magnetic induction switch
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