Patents
Patents for H02H 11 - Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result (2,416)
03/2007
03/22/2007US20070064361 Terminal table unit and method of controlling same
03/21/2007CN1933269A Single-phase asynchronous motor protector
03/14/2007CN1929232A Mechanical reversal connecting device
03/07/2007CN2877128Y Power anode and cathode reversed protector mounted in movable unit of GPS command system
03/06/2007US7187091 Safety switching module and method for testing the switching-off ability of a switching element in a safety switching module
03/06/2007US7187090 Mobile high voltage network
03/06/2007US7187089 Electric steering lock apparatus for protecting actuator from overheating
03/01/2007DE202006018397U1 Betätigungsüberwachung für Hochspannungsschalter in Verteilnetzen Activity monitoring for high voltage switch in distribution
03/01/2007DE102005039792A1 Lighting device for studio photography, has control device that is connected with lamp by adaptor and controlling illuminant for illuminating motive during continuous operation and flash lighting motive during flash operation
02/2007
02/28/2007EP1758224A1 Device for associating a command signal to a direction of rotation of an electric motor for a movable barrier
02/21/2007EP1754296A1 Electronic element adapted to an electric circuit arrangement
02/21/2007CN2872706Y External power supply of cell phone
02/13/2007US7177124 Brushless DC fan motor driving circuit
02/07/2007CN2867687Y Earth leakage protective socket service life stoppage examining protective circuit
01/2007
01/25/2007DE102005033669A1 Verfahren und Schaltungsanordnung zum Ermitteln des Vorliegens eines Falschanschlusses eines elektrischen Geräts, insbesondere Hausgerätes an einer Netzwechselspannungsquelle Method and circuit for detecting the presence of a false connection of an electrical device, in particular domestic appliance to an AC voltage source
01/24/2007CN2862469Y Battery reverse-install prevention circuit for battery charger
01/23/2007CA2444369C Electrical ground protection device and method
01/18/2007US20070013236 Safety switch for monitoring a closed position of two parts moveable relative to one another
01/17/2007EP1744428A2 Electrical apparatus for controlling and resetting a circuit breaker
01/17/2007CN1897396A Multiple separated charger for discriminating battery polar automatically
01/04/2007DE102005029769A1 Explosion protected electrical connection between field lighting units is provided by cable with plugs and sockets
01/03/2007CN1890852A Circuit system and method for controlling an inductive consumer
12/2006
12/28/2006DE102005037047B3 Building control and hazard alert system, has bus substation circuit lying between parallely connected direct current connections of bridges and measuring voltage ratios and their polarity at alternating voltage inputs of bridges
12/26/2006USRE39446 Power filter circuit responsive to supply system fault conditions
12/26/2006US7154725 Hard disk drive (HDD) electrical over voltage stress (EOS) systems and methods
12/26/2006US7154413 Fused and sealed connector system for permanent reservoir monitoring and production control
12/26/2006US7154197 Control apparatus and control method for the same
12/20/2006EP1734632A2 Safety device for a circuit breaker
12/20/2006EP1086520B1 Protective circuit for electronic modules, especially driver modules
12/13/2006CN2847642Y Mechanical type reverse connector
12/13/2006CN1877947A Automatic electrode
12/12/2006US7149067 Automatic voltage device and network protector incorporating same
12/07/2006CA2610229A1 Circuit interrupting device having integrated enhanced rfi suppression
12/06/2006CN2845153Y Automotive electric switch
12/05/2006CA2264056C Phase monitor
11/2006
11/29/2006CN1871786A Facilities equipment communication circuit
11/22/2006EP1724899A1 Apparatus for short circuit protection
11/21/2006US7138729 Electrical power control system
11/15/2006EP1721374A2 Method for improved battery state of charge
11/14/2006US7136267 Electrical ground protection device and method
11/09/2006DE10000968B4 Stromversorgungsschaltung für eine elektronische Vorrichtung A power supply circuit for an electronic device
11/08/2006CN1283999C Audible alarm system to prevent earthing in high-voltage cells
11/02/2006US20060244408 Electrical Safety Lockout Mechanism for Power Tools and Other Hazardous Machinery
11/02/2006DE102006008496A1 Phasenausfallerkennung für eine Drehfeldmaschine Phase failure detection for an induction machine
11/01/2006CN1854520A Compressor having internally mounted inverter
10/2006
10/31/2006US7130170 System and method for fault contactor detection
10/31/2006US7130169 Short circuit protection for a power isolation device and associated diode
10/25/2006CN2831568Y Reverse auto detecting phase modifier of air conditioner power source
10/24/2006US7126801 Polarity protection implemented with a MOSFET
10/19/2006US20060232901 Arrangement for protecting an electrical device
10/12/2006US20060227475 Direct current motor control circuit and wiper system using said circuit
10/05/2006DE102005011520A1 Vorrichtung und Verfahren zur Bereitstellung einer Gleichspannung Apparatus and method for providing a DC voltage
09/2006
09/28/2006US20060214515 Safety switch for reliably switching off a dangerous device
09/27/2006EP1704627A2 Device for controlling a final power-output stage
09/26/2006US7112900 Method and system for sensing switch position to prevent inadvertent startup of a motor
09/21/2006US20060208577 System and method for accident prevention
09/19/2006US7110239 Polarity correction circuit and system incorporating the same
09/19/2006US7109604 Device for distributing electrical energy and method for monitoring the distribution of energy
09/12/2006US7106567 Hard disk drive (HDD) electrical over voltage stress (EOS) systems and methods
09/12/2006US7106566 Power adapter interface circuitry for protecting a battery operated system
09/06/2006CN2814762Y Vehicle load electric control switch with short-circuit and open-circuit predetection
09/06/2006CN2814761Y Electrodeless electric power interface
08/2006
08/31/2006WO2006090333A1 Current sense fet
08/24/2006DE102005007123A1 Motor vehicle`s electrical system, has voltage reversal protection device arranged between ground and connection point which is formed between switch and diode, and connected in series with diode which is arranged in converter
08/24/2006DE102005006100A1 Protection circuit e.g. overvoltage protection circuit, for protecting electronic circuit arrangement in motor vehicle, has fuse unit and circuit formed such that separation of arrangement from power supply unit is accomplished
08/24/2006DE102005003682A1 Schutzschaltung in einem Stromversorgungseingang einer elektrischen Einrichtung und Verwendung einer Schutzschaltung Protection circuit in a power supply input and an electrical device using a protection circuit
08/23/2006CN1822468A Method for preventing error charging for charger automatic judging charging storage battary voltage
08/22/2006US7095235 Monitoring device, electrical machine tool, current supply device, and associated method of operation
08/16/2006EP1690326A1 Circuit system and method for controlling an inductive consumer
08/09/2006CN1815844A Built-in battery component electrical source control circuit of mobile communication terminal
08/03/2006DE102005002718A1 Electric power supply device for e.g. motor vehicle, has switching equipment connecting through supply voltage at circuit, when voltage detector detects application of another supply voltage at circuit
07/2006
07/20/2006US20060158044 Method for the dynamic configuration of an operator interface of a functional module
07/19/2006EP1681776A1 Facilities equipment communication circuit
07/13/2006DE202006006508U1 Elektrowerkzeug-Sicherheitssystem Power Tool Safety System
07/11/2006US7075195 Electrical safety lockout mechanism for power tools and other hazardous machinery
07/06/2006DE10001735B4 Schutzvorrichtung gegen unerwünschte Inbetriebnahme einer Maschinenanlage Guard against unwanted start-up of a machine system
07/05/2006CN1797891A System and method for automatic recognizing input of AC voltage
07/05/2006CN1263210C Power unit powered by cell
06/2006
06/27/2006US7067994 Electronic ballast with overvoltage monitoring
06/14/2006EP1667875A1 Polarized circuit arrangement for a motor vehicle
06/14/2006DE29924885U1 Switching and operating device for serial control and data transmission unit in automation bus system verifies electrical load and/or current for overload or short-circuit detection before connecting supply voltage
06/08/2006WO2006018503A3 Device for piloting an electric motor driving a power switch element, and module forming a switch provided with said device
05/2006
05/31/2006CN1780081A Protecting circuit of AC power supply for preventing misconnection
05/30/2006US7053626 Device and method for monitoring the connection of an electrical supply unit
05/10/2006CN2779701Y Intelligent reclosing brake gear for electric switch
05/04/2006US20060091879 Two-wire type current output sensor and IC therefor
04/2006
04/20/2006WO2005091797A3 Method for improved battery state of charge
04/20/2006DE10155534B4 Optoelektronische Vorrichtung Optoelectronic device
04/19/2006CN1761116A Trip of making current
03/2006
03/30/2006DE102005027923A1 MEMS-Schaltsystem MEMS switching system
03/22/2006EP1638183A1 System for detecting motor coil-to-coil faults
03/22/2006CN1751424A Direct current motor control circuit and wiper system using said circuit
03/21/2006US7015665 Power window driving apparatus
03/16/2006DE102004044504A1 Controller for motor vehicle with polarity inversion protection has large relay coil winding cross-section for low internal impedance allowing high converter load current, low winding number for producing defined magnetic flux linkage
03/15/2006CN2765362Y Cell polarity detection and short circuit protection device for use in charger
03/15/2006CN1748276A Method and system for sensing switch position to prevent inadvertent startup of a motor
03/14/2006US7012795 Electromagnetic circuit breaker assembly having reverse polarity protection
03/14/2006US7012793 Power converter with polarity reversal and inrush current protection circuit
02/2006
02/23/2006WO2006018503A2 Device for piloting an electric motor driving a power switch element, and module forming a switch provided with said device
02/16/2006DE19743632B4 Verfahren zur Ermittlung vorgeschädigter Leistungshalbleiterschalter in Stromrichterschaltungen Procedure for the determination of damaged power semiconductor switches in inverter circuits
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ... 25