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)
01/2006
01/31/2006US6992872 Circuit breaker incorporating fault lockout protection
01/25/2006CN1725152A Decision circuit for power supply inverter
01/18/2006EP1299933B1 Electronic circuit for an energy supply device, especially for a charging device for batteries
01/12/2006DE102004029966A1 Verpolungsschutzschaltung mit niedrigem Spannungsabfall Reverse connection protecting circuit low voltage drop
12/2005
12/29/2005US20050286193 Integrated processor/motherboard short detect and safeguard mechanism
12/28/2005CN1713477A Controller of outputting circuit for relay
12/20/2005US6977533 32V H-bridge driver with CMOS circuits
12/14/2005CN1707898A Long-distance safety controller for electric equipment
12/13/2005US6975491 Electrical ground protection device and method
12/08/2005WO2005117229A1 Electronic element adapted to an electric circuit arrangement
12/07/2005EP1602115A2 Method and system for sensing switch position to prevent inadvertent startup of a motor
12/07/2005CN2745260Y Making current release
12/06/2005US6972940 Power supply protection circuit
12/06/2005US6972936 Pre-emptive circuit breaker with arc fault and fault lockout short circuit protection
11/2005
11/29/2005US6970338 Power supply device having overcurrent protection function and method for controlling the same
11/29/2005US6969971 Reverse battery protection circuit
11/24/2005DE102004019817A1 Circuit arrangement for protecting electrical loads in motor vehicles, has pyro-fuse controlled by voltage comparator connected to positive terminal of battery to protect electrical load against overvoltages of on-board system voltage
11/16/2005EP1595321A2 Direct current motor control circuit and wiper system using said circuit
11/10/2005US20050248899 Power strip having the function of neutral line switching
11/08/2005US6963183 Control circuit for a direct current motor
11/03/2005US20050243482 Brushless DC fan motor driving circuit
11/03/2005DE10356089B4 Schaltungsanordnung und Verfahren zum Steuern eines induktiven Verbrauchers Circuit arrangement and method for controlling an inductive load
11/02/2005CN1691455A Remote control device for electrical apparatus
10/2005
10/27/2005DE202005008809U1 Electrical disturbance reducing circuit for DC motor, has auxiliary voltage source making series transistor fully conductive, and analyzer circuit analyzing supply voltage to increase resistance of transistor
10/13/2005WO2005096465A1 Safety switching module
10/13/2005DE19607688B4 Verfahren und Vorrichtung zur Erfassung und Diagnose eines anormalen Betriebszustandes in einem Servosteuersystem Method and apparatus for detection and diagnosis of an abnormal operating condition in a servo control system
09/2005
09/20/2005US6947266 Power protection device
09/20/2005CA2244177C Power distribution unit with individual gfi modules and a line supervisory circuit
09/15/2005WO2005086310A1 Automatic reset device particularly for residual current-operated circuit breakers and the like
09/14/2005EP1575145A1 Device and method for multiple-channel load control
09/14/2005CN1667908A Terminal table unit and method of controlling same
09/08/2005US20050195546 Terminal table unit and method of controlling same
09/07/2005EP1571878A1 Electronic battery-powered hearing instrument, and method for operating such a hearing instrument
08/2005
08/31/2005EP1569314A1 Automatic reset device particularly for residual current-operated circuit breakers and the like
08/25/2005US20050185350 System and method for fault contactor detection
08/04/2005US20050168893 Electrical ground protection device and method
07/2005
07/26/2005US6922322 High side reverse and overvoltage transient protection
07/20/2005CN2711919Y No-polarity connected charge cable for car
07/19/2005US6919704 Reverse battery protection for a trolling motor
07/13/2005CN2710229Y Remote safety controller for electric equipment
07/07/2005DE10358694A1 Electronic circuit utilizes an input circuit to connect a DC- voltage source to protect against damage due to reverse polarity and disconnection while power is applied
07/05/2005US6914763 Utility control and autonomous disconnection of distributed generation from a power distribution system
06/2005
06/30/2005DE10356089A1 Schaltungsanordnung und Verfahren zum Steuern eines induktiven Verbrauchers Circuit arrangement and method for controlling an inductive load
06/23/2005US20050135032 Automatic voltage device and network protector incorporating same
06/23/2005US20050134288 Device and method for monitoring the connection of an electrical supply unit
06/21/2005US6909585 Protection circuit protecting against voltage irregularities
06/16/2005WO2005055387A1 Circuit system and method for controlling an inductive consumer
06/16/2005US20050128101 Fused and sealed connector system for permanent reservoir monitoring and production control
06/16/2005US20050127859 32V H-bridge driver with CMOS circuits
06/09/2005US20050122650 Portable power supply with safety switch
06/02/2005DE10349629A1 Electronic circuit, especially for supplying motor vehicle controller, has series circuit in parallel with voltage supply with resistors, diodes, zener diode, first transistor, second transistor with load voltage between source and earth
06/01/2005EP1479150B1 Method and device for reducing peak loads in motor vehicle supply systems
05/2005
05/25/2005DE10349282A1 Cross-polarity and overvoltage protection for d.c. circuit arrangement, e.g. for 5 volt sensors, has control arrangement that switches on switch in normal operation to connect first and second connectors of switch together
05/18/2005CN2701142Y Correcting and open phase protection circuit for three-phase electric actuator
05/12/2005WO2004073003A3 Switch sensing to prevent inadvertent motor startup
05/06/2005WO2005039935A1 Polarized circuit arrangement for a motor vehicle
05/04/2005EP1528399A2 Two-wire type current output sensor and IC therefor
04/2005
04/28/2005WO2005039069A1 Facilities equipment communication circuit
04/28/2005US20050088130 Power window driving apparatus
04/14/2005DE102004043559A1 Power window driving apparatus for use in a vehicle has diode which is provided between a positive side of the power supply and the control circuit to protect the control circuit when the power supply is inversely connected
04/13/2005CN1606900A Electronic ballast with an overvoltage monitoring device
04/13/2005CN1197216C Protective circuit for electronic modules for driver modules
04/06/2005CN2691133Y Electronic zero line and live line identifying and correcting circuit
04/06/2005CN1605141A A polarity protection implemented with a MOSFET
03/2005
03/31/2005US20050067900 Electrical power control system
03/23/2005CN1599173A Universal shockproof socket for electrical equipment
03/16/2005CN2686181Y Electric power polarity protector
03/16/2005CN1595786A Electric windows driving apparatus
03/15/2005CA2124506C Manually set ground fault circuit interrupter
03/10/2005US20050052812 System and method for protecting multiplexed elements sharing a single electrical line
02/2005
02/17/2005DE10334197A1 Schutzanordnung für eine elektrische Einrichtung Protection arrangement for an electrical device
02/15/2005US6856497 System interconnection apparatus and connection method thereof
02/03/2005WO2005011079A1 Arrangement for protecting an electrical device
01/2005
01/26/2005EP1501333A2 Electronic battery-powered hearing instrument, and method for operating such a hearing instrument
01/25/2005US6847237 32V H-bridge driver with CMOS circuits
01/20/2005WO2004075390A3 Direct current motor control circuit and wiper system using said circuit
01/20/2005US20050012472 Electronic ballast with overvoltage monitoring
01/13/2005US20050009378 Hard disk drive (HDD) electrical over voltage stress (EOS) systems and methods
01/13/2005US20050007711 Power adapter interface circuitry for protecting a battery operated system
01/12/2005CN1565069A Electronic apparatus
12/2004
12/30/2004US20040264084 Polarity protection implemented with a mosfet
12/23/2004WO2004112212A1 A method and a device for preventing unintentional connection of a single apparatus to a common energy supply
12/23/2004US20040257046 Electronic apparatus
12/16/2004US20040252423 Intelligent automatic bypass for a motor control device fault
12/09/2004DE102004024113A1 Batterie-Verpolungsschutzschaltung für einen Leistungsschalter Reverse battery protection circuit for a power switch
12/01/2004CN2660759Y Output circuit of battery charger
11/2004
11/30/2004US6826029 Methods and apparatus for distributing electrical power
11/25/2004WO2004102762A1 Safety device for electric equipments
11/24/2004EP1479150A1 Method and device for reducing peak loads in motor vehicle supply systems
11/18/2004WO2004100336A1 Intelligence automatic bypass for a motor control device fault
11/18/2004US20040228053 Reverse battery protection circuit for power switch
11/11/2004US20040222703 Device of protection against a polarity reversal
11/09/2004US6816348 Input protection circuit of a handheld electric device
11/02/2004US6813123 Method for protecting a DC generator against overvoltage
10/2004
10/21/2004US20040207453 32V H-bridge driver with CMOS circuits
10/20/2004EP1469574A1 H-bridge driver with CMOS circuits
10/14/2004WO2004088812A1 Protection device for electrical three-phase equipment
10/14/2004US20040201936 Power supply device having overcurrent protection function and method for controlling the same
10/13/2004CN1171371C Power supply system with spare AC power source and function against reverse insertion of AC power source
10/12/2004US6804097 Protective circuit for electronic modules, especially driver modules
1 ... 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ... 25