Patents
Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031)
11/2007
11/01/2007US20070255977 System and Method for Application Monitoring and Automatic Disaster Recovery for High-Availability
11/01/2007US20070253130 Devices, systems, and methods for shunting a circuit breaker
11/01/2007US20070253129 Coil Load Drive Circuit and Optical Disk Device Having the Same
11/01/2007US20070253124 Circuit interrupter including point-on-wave controller and voltage sensors
11/01/2007CA2649572A1 Systems, devices, and methods for temperature compensation in arc fault detection systems
11/01/2007CA2647388A1 A switching device
10/2007
10/31/2007EP1849223A2 Device for inductive direct current detection and temperature response compensation of the converter permeability by adapting the frequency of the impressed alternating current
10/31/2007DE10245144C5 Überspannungs-Schutzanordnung mit einer Funkenstrecke als Grobschutzelement Surge protection order with a spark gap as coarse protection element
10/31/2007CN200969510Y Minisize intelligent electricity protector
10/31/2007CN200969509Y Earthing fault breaker service life expiration intelligent detection protective circuit
10/31/2007CN200969508Y Multifunctional circuit breakers
10/31/2007CN200968965Y Multidigit ammeter box with distinct breakaway point
10/31/2007CN101064435A AC-DC power distribution unit for vessel and uses thereof
10/31/2007CN101064427A Selective leakage determining method and leakage determining circuit
10/31/2007CN101064424A Novel neutral line protector
10/31/2007CN101064423A Electric current driving electronic broken circuit protecting equipment
10/31/2007CN101064288A Leadless integrated circuit protection device
10/31/2007CN100346548C Discriminiting element for developmental fault of high-voltage transmission line of power system
10/31/2007CN100346050C Electric window driving device
10/30/2007US7290197 Correcting data using redundancy blocks
10/30/2007US7290097 Nonvolatile memory
10/30/2007US7289308 Overcurrent protection circuit
10/30/2007US7289307 High voltage ESD circuit by using low-voltage device with substrate-trigger and gate-driven technique
10/30/2007US7289306 Ground fault circuit interrupter containing a dual-function test button
10/30/2007US7288856 Reverse battery protection circuit for power switch
10/25/2007WO2007121053A2 Open neutral detection circuit
10/25/2007WO2007118400A1 A hardware overvoltage breakaway circuit
10/25/2007WO2002091540A3 Power conditioning for model railroad control decoders
10/25/2007US20070247774 Noise immune over current protection with inherent current limiting for switching power converter
10/25/2007US20070247769 Receptacle type ground-fault circuit interrupter
10/25/2007US20070247767 Systems, Devices, and Methods for Temperature Compensation in Arc Fault Detection Systems
10/24/2007EP1847002A2 Methods and circuits for distributing power to spd loads
10/24/2007EP1847001A1 Active current surge limiters
10/24/2007EP1311912A4 System for protection zone selection in microprocessor-based relays in an electric power system
10/24/2007CN200966002Y Communication controller for plastic-shell breaker
10/24/2007CN200965956Y Electrical leakage protective power supply plug
10/24/2007CN200965668Y Intrinsic safe computer for mine rescue
10/24/2007CN101060300A Automatic startup control circuit for motor when it is powered on
10/24/2007CN101060243A Zero line broken protective method and its control circuit
10/24/2007CN101060242A Current anomaly protective circuit
10/24/2007CN101060241A Protective circuit for single-phase voltage anomaly
10/24/2007CN101060240A Reverse current measurement and control system (SDA-N)
10/24/2007CN101060239A Power usage site intelligent management device
10/24/2007CN101060238A Master control circuit for 3-phase 4-wire power usage site management unit
10/24/2007CN100345319C Superconducting saturable core fault current limiter
10/24/2007CN100345106C Method and apparatus for automatic updating and testing of software
10/24/2007CN100344981C Device for inspection electric arc and overcurrent in DC system interfered repeatedly
10/23/2007US7287246 Debugging optimized flows with breakpoints using stored breakpoint trigger indicators
10/23/2007US7287181 Mirrored volume replication method, apparatus, and system
10/23/2007US7286918 Mobile energy management system
10/23/2007US7286332 Apparatus for protecting bicycle electrical components
10/23/2007US7285989 Device for detection of power-off
10/18/2007WO2007116221A1 Residual current device having voltage dependent and voltage independent modes of operation
10/18/2007WO2007098894A3 Energy supply for a blade adjustment device pertaining to a wind energy installation
10/18/2007US20070245175 Method of, apparatus and graphical user interface for automatic diagnostics
10/18/2007US20070242404 Circuit output stage protection system
10/18/2007US20070242403 Power supply protection circuit for an in-vehicle electronic device
10/18/2007US20070242402 Circuit protection system
10/18/2007US20070242399 Electric arc detection device, switchgear unit comprising one such device and method for detecting an electric arc
10/18/2007DE112005002954T5 Energieversorgungssteuerung Power supply controller
10/18/2007DE102006021444A1 Einrichtung, Schaltungsanordnung und Verfahren zur Isolations- und Erdschlussüberwachung in einem IT-System Device, circuitry and method for isolation and Ground fault in an IT system
10/18/2007CA2649183A1 Residual current device having voltage dependent and voltage independent modes of operation
10/17/2007EP1845548A2 Installation, switching assembly and method for insulation and earth connection surveillance in an IT system
10/17/2007EP1745336B1 Circuit arrangement and method for electrically controlling and/or regulating the movement of an electrically driven unit
10/17/2007CN200962518Y Relay protection device capable of differentiating short circuit and harmonious wave
10/17/2007CN200962515Y Relay protection failure and surge detection device based on dual CPU
10/17/2007CN200962514Y Electricity drop detection device
10/17/2007CN200962194Y Peripheral structure of built-in intelligent standby and power-saving multi-socket common chip
10/17/2007CN101055999A Charge/discharge protection circuit and power-supply unit
10/17/2007CN101055998A 电池充电器 Battery Charger
10/17/2007CN101055983A A hardware over-voltage breaking circuit
10/17/2007CN101055959A Current overload magnetic spring relay and current overload warning jack including the same
10/17/2007CN100344040C Negative-sequence longitudinal differential element for electric system
10/16/2007US7284245 Query trees including or nodes for event filtering
10/16/2007US7284211 Extensible IO testing implementation
10/16/2007US7283344 Electronic switch
10/16/2007US7283343 Integrated reverse battery protection circuit for an external MOSFET switch
10/16/2007US7283342 High-voltage tolerant power rail electrostatic discharge clamp circuit
10/16/2007US7283340 Electrical wiring device
10/16/2007US7283338 Power supply device for low-voltage electronic residual current circuit breakers
10/16/2007US7282924 Computerized electricity system having an arc fault detecting sub-system
10/16/2007US7282810 Power supplying apparatus for vehicle and intensive wiring apparatus
10/11/2007WO2007114957A2 Universal hybrid electrical/fiber optic insert cap and hybrid connector and methods
10/11/2007WO2007114566A1 High speed automatic circuit breaker for protection
10/11/2007WO2007113295A1 Device for detecting the state of a switch
10/11/2007WO2007112695A1 A protective circuit equipment for automatically monitoring the operating fault
10/11/2007WO2004095518A3 Thyristor circuit providing overcurrent protection to a low impedance load
10/11/2007US20070236850 Power switches having positive-channel high dielectric constant insulated gate field effect transistors
10/11/2007US20070236848 Method and apparatus for an in-rush current limiting circuit
10/11/2007US20070236847 Electrostatic (ESD) protection circuit for an integrated circuit
10/11/2007US20070236846 Fan protection method and fan system
10/11/2007US20070236845 Open neutral detection circuit
10/11/2007US20070236841 Earth leakage breaker
10/11/2007DE19619932B4 Elektromotor-Stellantrieb, insbesondere Fensterheber- bzw. Schiebedachantrieb oder dergleichen für ein Kraftfahrzeug Electric motor actuator, power window and sunroof particular drive or the like for a motor vehicle
10/11/2007DE10360957B4 Programmierbare Steuereinheit und Verfahren zur automatischen Speicherwiederherstellung Programmable controller and method for automatic memory recovery
10/11/2007DE10261450B4 Elektromotor mit integrierter elektronischer Steuereinrichtung Electric motor with integrated electronic control device
10/11/2007DE102006016454A1 Electrical system operating method for motor vehicle, involves monitoring voltage to be delivered from fuel cell regarding occurrence of inadmissible high over-voltage in current path between cell stack of fuel cell and high-power load
10/11/2007DE102006016453A1 Motor vehicle, has fuel cell with electrical periphery provided with pickup on accumulator side of converter, where periphery is electrically secured by independent locking devices and is directly connected to vehicle electrical system
10/11/2007CA2645960A1 Device for detecting the state of a switch
10/10/2007EP1843443A2 Electrical fault detection