Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 35 - Switches operated by change of a physical condition
Patents for H01H 35 - Switches operated by change of a physical condition (7,690)
10/1999
10/07/1999DE19813940A1 Micromechanical acceleration sensor
10/06/1999EP0948014A1 Vacuum detection switch
09/1999
09/29/1999EP0945951A2 Improved gas-accumulation Buchholz relay
09/29/1999EP0837829B1 Optoelectronic sensor and weft yarn measurement and feeding equipment
09/23/1999DE19808559C1 Druckbetätigter Schalter Pressure actuated switch
09/22/1999EP0944150A2 Improved Buchholz relay
09/21/1999US5955714 Roll-over shunt sensor
09/21/1999US5955713 Tilt switch array for electronic orientation detection
09/21/1999US5955712 Inertial switch
09/15/1999EP0686116B1 Electrical switches and sensors which use a non-toxic liquid metal composition
09/10/1999WO1999045649A1 Electronic device with illuminated operator buttons, the activation of said operator buttons being determined by detection of the change in the luminous reflectance
09/10/1999WO1999045319A1 Motion sensitive bicycle safety light and method of using same
09/09/1999DE19809886A1 Elektronisches Gerät mit Bedientasten Electronic device with control buttons
09/09/1999DE19754653A1 Bidirectional acceleration sensor, e.g. for accident sensing in vehicle
09/08/1999CN2337670Y Non-contacting multi-function water flow relay
09/01/1999EP0939416A2 Pressure-operated switch
08/1999
08/31/1999US5946274 Switch device and electronic device which includes such switch device
08/31/1999US5945608 Hall effect fluid flow switch and flow meter
08/26/1999WO1999042843A1 Semiconductor acceleration sensor and self-diagnosis thereof
08/25/1999CN2335250Y Magnetic controlled water-electricity linkage switch
08/25/1999CN2335249Y Self-controlled power source switch
08/25/1999CN2335248Y Float ball switch device capable of icreasing air overflow and decreasing moisture
08/25/1999CN2335155Y Photo-controlled electricity-saving automatic switch
08/25/1999CN2334416Y Automatic liquid quantity alarm device for tranfusion bottle
08/24/1999US5941371 Electrical switch with latching manual/automatic reset
08/19/1999WO1999041114A1 Acceleration sensing device and air bag starting device
08/19/1999DE19804998A1 Level limit switch with connecting sleeve and level sensor
08/18/1999EP0936342A1 Control device for an electric motor driving a moving body
08/17/1999US5939688 Fluid responsive switch pivot arm seal
08/17/1999US5939638 Pressure sensor with protective internal wall
08/12/1999DE19805138A1 Differential pressure switch for compressor
08/11/1999EP0739771B1 Overacceleration sensing device
08/11/1999CN2333084Y 压力控制开关 Pressure control switch
08/03/1999US5932857 Pressure switch with biaxially oriented thermoplastic diaphragm
07/1999
07/29/1999WO1999038182A1 Pressure responsive switch and method of making same
07/28/1999CN2331076Y Electrical appliance overturning-prevention circuit switching on/off device
07/21/1999EP0930662A2 Current interrupt apparatus for electrochemical cells
07/21/1999CN2330062Y Buoyance switch for solar water heater
07/13/1999US5923140 Detecting device for detecting the traveling state of a moving object
07/06/1999US5920046 Inclination detector for vehicle capable of detecting inclination direction
07/06/1999US5920045 Acceleration detecting device
07/01/1999DE19757289A1 Bidirectional acceleration sensor e.g. for use as trigger sensor in motor vehicle airbag occupant safety system
06/1999
06/30/1999EP0925611A2 Current interrupter for electrochemical cells
06/30/1999EP0925596A1 Fluid level indicator sensor
06/30/1999CN2327065Y Swing type switch
06/29/1999US5917164 Pressure-sensitive switch with polyphenylene sulfide resin receiving member
06/29/1999US5917162 Electrical switch
06/24/1999WO1999031695A1 Schock sensor
06/24/1999DE19858466A1 Pressure-sensitive sensor connected to computer
06/24/1999DE19857521A1 Acceleration detector for automobile passenger restraint device
06/24/1999DE19857516A1 Acceleration detection arrangement
06/23/1999EP0924730A1 Acceleration switch
06/23/1999EP0923787A1 A pressure-operated electric control device for a boiler of a domestic steam generator
06/22/1999US5914470 Acceleration detecting device
06/22/1999US5914459 Acceleration/deceleration sensing switch for munitions
06/09/1999EP0607438B1 Switch device and its wiring structure
06/02/1999EP0815574B1 Electrical switch having a double immersion sensing function
06/02/1999DE19854182A1 Collision detection unit
06/02/1999CN1218578A Current interrupter for electrochemical cells
06/01/1999CA2016409C Pressure switch including a snap switch
05/1999
05/26/1999CN1217823A Current interrupter for electrochemical cells
05/18/1999US5905241 Threshold microswitch and a manufacturing method thereof
05/18/1999CA2173648C Vehicle safety restraint system with linear output impact sensor
05/06/1999EP0913677A1 Pressure detection device
05/05/1999CN2316959Y Automatic transfusion alarm device
05/04/1999US5900602 Electric switch for enhancing electric current flow by quantum tunneling effect
05/04/1999US5900538 Monitoring of decomposition gases in transformers by referencing volume or pressure to temperature
05/04/1999CA2088072C Adjustment mechanism for pressure switch
04/1999
04/27/1999US5898144 Anti-chattering contact structure and collision detecting apparatus using the same
04/27/1999US5897805 Liquid heating controls
04/20/1999US5895071 Compact crash sensing switch with air ducts and diagnostic system
04/14/1999EP0908911A1 A thermally actuate switching device with a rotatable combination component
04/14/1999EP0908910A1 Thermally actuated switching device with a calibration nut
04/14/1999EP0908909A1 Thermally actuated switching device with an actuating arm
04/14/1999EP0907974A1 Current interrupter for electrochemical cells
04/14/1999EP0907892A1 Impact recognition device, in particular for a motor vehicle
04/13/1999CA2093054E Pressure switch
04/07/1999EP0764336A4 Micromechanical memory sensor
04/07/1999CN2313283Y Wind-direction backflow sensor for mining use
04/07/1999CN1042869C Vibration switch and portable motor-driven device with it
04/06/1999US5892491 Image forming device and touch-less display switch
04/06/1999US5892193 Compact crash sensing switch with air ducts and diagnostic system
03/1999
03/31/1999CN2312515Y Ball and intermittent type conductor switch
03/30/1999US5889247 Normally closed, pressure responsive electrical switch
03/24/1999EP0787351A4 Integrating accelerometer capable of sensing off-axis inputs
03/24/1999CN2311877Y Electric machine chamber-sweeping protector
03/24/1999CN2311876Y Shaft clamp lever type electric motor chamber-sweeping protector
03/24/1999CN1211806A Inclined sensor
03/23/1999US5884495 Dehumidifier with an adjustable float for setting the moisture level shut off
03/18/1999WO1999013344A1 Acceleration sensor
03/18/1999DE19739814A1 Beschleunigungssensor Acceleration sensor
03/17/1999EP0902538A2 Article comprising a light-actuated micromechanical photonic switch
03/17/1999CN2311072Y Switch with mechanical automatic power interruption mechanism for electric appliance
03/17/1999CN1211055A Slope sensor
03/16/1999US5883347 Accelerometer having lateral pole piece biasing elements
03/09/1999US5880351 Vibration sensing element and vibration sensor
03/09/1999US5879832 Current interrupter for electrochemical cells
03/04/1999WO1999010941A1 Current interrupter for electrochemical cells
03/04/1999WO1999010940A1 Current interrupter for electrochemical cells
03/04/1999WO1999010720A1 Water leakage protector apparatus
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