Patents
Patents for H02H 5 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (5,568)
05/1997
05/06/1997US5627719 Electrical wiring system with overtemperature protection
04/1997
04/29/1997US5625520 Device for preventing a high voltage transformer of a microwave oven from being overheated
04/29/1997US5625258 Clocked power supply
04/16/1997EP0767980A1 Improved electrical switch
04/15/1997US5621598 Luminous tube protection circuit
04/15/1997CA2062845C Switching voltage regulator with protective device against thermal breakdown
04/09/1997EP0683927A4 Electrical supply safety socket.
04/08/1997CA2078390C Surge absorber
04/05/1997CA2187148A1 Heat responsive power interrupting device
04/03/1997WO1997012379A1 Method and device for preventing explosions and fires in electrical transformers
04/03/1997WO1997012174A1 A method and a device for sensing the distance between a first object and a second object
04/02/1997EP0766362A2 Protecting element and method for protecting a circuit
03/1997
03/30/1997CA2179466A1 Protection element and method for protecting a circuit
03/27/1997WO1997011582A1 Thermally-protected control apparatus containing electrical components
03/27/1997DE19638478A1 Overcurrent protection circuit for electric motor drive system
03/27/1997DE19536142A1 Thermisch geschütztes, elektrische Bauelemente enthaltendes Steuergerät Thermally protected, electrical components containing controller
03/11/1997US5610792 Apparatus for controlling the reset of a bus connected transceiver
03/05/1997EP0600042B1 Overtemperature sensing and signaling circuit
03/05/1997CN2248943Y Fire-proof automatic alarming power supply
02/1997
02/26/1997EP0759220A1 Detector for monitoring the integrity of a ground connection to an electrical appliance
02/25/1997US5606480 Detector for monitoring the integrity of a ground connection to an electrical appliance
02/04/1997US5600528 Heater cut off circuit and method
01/1997
01/22/1997CN1140926A Driving device for induction motor
01/08/1997EP0752805A1 Electronic converter with thermal protection circuit
01/02/1997EP0751600A1 Device for testing the earthing of an electric user, in particular the bodywork in electric vehicles
12/1996
12/27/1996WO1996042131A1 Electrical wiring system with overtemperature protection
12/18/1996EP0749145A1 Improvement in differential-type safety cut-out switches for household appliances
12/18/1996CN1138285A Bipolar power device having integrated thermal protection driving electric loads
12/11/1996EP0746891A1 Electrical safety device
12/10/1996US5583730 Shock hazard protection system
11/1996
11/28/1996WO1996037955A1 Integrated circuit
11/28/1996DE19519477A1 Integrierte Schaltung Integrated circuit
11/20/1996CN2240800Y No free charcoal rectification tripping protector for oil test machine
11/20/1996CN1135981A Electric junction box and electric current distribution system for automotive vehicles
11/19/1996CA2051215C Gas insulated electric apparatus
11/13/1996CN1135672A Detachable small keyboard of breaker of electronic circuit
11/06/1996EP0612444B1 Personnel protection system for electrical power connections
10/1996
10/31/1996WO1996034450A1 Method and device for protecting regenerating resistor of servo motor for driving inverter
10/30/1996EP0740491A1 Bipolar power device having an integrated thermal protection for driving electric loads
10/30/1996EP0401273B1 Apparatus for supervising objects with regard to overheating
10/29/1996US5570259 Circuit arrangement for controlling a load and for recognizing a line interruption
10/29/1996US5569840 Screened electrical line control device
10/23/1996EP0739145A2 Demagnetizing circuit and current limiting device
10/22/1996US5568350 Over temperature memory circuit
10/03/1996WO1996030992A1 Hybrid alternator
10/03/1996CA2216834A1 Hybrid alternator
09/1996
09/26/1996DE19510970A1 Temp. monitoring device for transformer
09/18/1996EP0732792A2 Protection against accidental contact for two power supply lines connected to a common load
09/17/1996US5557550 Junction temperature status sensing and reduction for integrated power devices, such as a head positioning system in a magnetic disc drive
08/1996
08/28/1996EP0729210A1 Circuit arrangement
08/28/1996EP0728620A2 Electric junction box and electric current distribution system for automotive vehicles
08/27/1996US5550702 Adaptive duty-cycle limiting for overload protection of integrated circuits
08/21/1996EP0727857A1 Monitoring the bearing of an electric motor
08/21/1996EP0510166B1 Device for processing data provided by the contact potential, and cutoff device linked thereto
08/21/1996CN2233635Y DC insulation monitoring relay
08/21/1996CN2233633Y Overcurrent and overtemperature protector for computer control thyristor commutating arc welder
08/20/1996US5548466 Hazardous ameprage recognition and relaying techniques
08/13/1996US5546263 For interrupting the flow of current to an electrical device
08/13/1996US5544959 Removable keypad for an electronic circuit breaker
08/06/1996US5543998 Temperature protected power transistor circuit
08/06/1996US5543996 Protective circuit for protecting transistor from thermal destruction
08/06/1996US5543995 Method and apparatus for protecting a power transmission line
07/1996
07/31/1996CN1127948A Overheat protector for motor
07/30/1996US5541803 Electrical safety device
07/16/1996US5537288 PTC switch protected termination resistor
07/09/1996CA2027050C Electric circuit unit and manufacturing method thereof
07/03/1996EP0720266A1 Process and device for temperature monitoring of a universal motor
07/03/1996EP0720239A2 An optically coupled device
06/1996
06/18/1996US5528448 Heat flow detector for recessed incandescent fixtures
06/11/1996US5525878 Apparatus and method for controlling an electric motor
05/1996
05/30/1996WO1996007192A3 Electromechanical switching device and arrangement with several such devices
05/21/1996US5519561 Circuit breaker using bimetal of thermal-magnetic trip to sense current
05/15/1996EP0712193A1 Circuit breaker using bimetal of thermal-magnetic trip to sense current
05/01/1996EP0709945A1 Electric motor with built-in temperature-dependant element
04/1996
04/16/1996US5508872 Circuit for ground fault detection and switching
04/04/1996WO1996010284A1 Thermal shutdown circuit
04/04/1996DE19506525C1 Digital output circuit for power driver with inductive load
04/03/1996EP0704866A1 Transformator
03/1996
03/13/1996EP0700590A1 Control of electric loads during generator failure in a multi-generator system
03/07/1996WO1996007192A2 Electromechanical switching device and arrangement with several such devices
03/06/1996EP0700141A1 Temperature detector on an integrated circuit
02/1996
02/29/1996DE4430382A1 Electromechanical switching unit with non contact status sensing
02/27/1996US5495381 Protection system for undetected over voltage in an isolated voltage regulator
02/20/1996US5493154 Temperature share scheme
01/1996
01/17/1996EP0692154A1 Clocked current supply
01/16/1996US5485340 Electrical supply safety plug
01/09/1996US5483404 Semiconductor integrated circuit
01/09/1996US5483228 Safety indicating device for flashlights
01/04/1996WO1996000457A1 Improved electrical switch
12/1995
12/05/1995CA1337706C Food heating safety device
11/1995
11/29/1995EP0683927A1 Electrical supply safety socket
11/29/1995CN2214046Y Motor protection device for water pump
11/23/1995DE4417883A1 Thermal and overload protection for small electromotors
11/22/1995EP0683558A1 Method and apparatus for reducing power dissipation in an electronic device
11/22/1995EP0683475A2 Apparatus for supervising objects with regard to overheating
11/16/1995WO1995031028A1 Detector for monitoring the integrity of a ground connection to an electrical appliance
11/08/1995CN2212276Y Multifunction circuit detecting protector
10/1995
10/25/1995EP0678961A1 Conductor interruption identifying and indicating circuit
10/10/1995CA2050223C Overload current protection apparatus
10/05/1995WO1995026586A1 Thermal overload protection for switches
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