| 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) |
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| 05/06/2005 | WO2005041376A2 Single-sensor microcontroller-based approach for ground fault circuit interrupters |
| 05/05/2005 | US20050097373 Automated intelligent configuration tool for power system protection and control and monitoring devices |
| 05/05/2005 | US20050094688 Apparatus for dissipating heat in electro-optical communications systems |
| 05/05/2005 | US20050094338 Recloser control apparatus compatible with various reclosers for protection of power systems |
| 05/05/2005 | US20050094335 Protective relay for power systems having fault distance measurement filter logic |
| 05/05/2005 | US20050094334 Protective circuit for semiconductor device |
| 05/05/2005 | US20050093463 Power supply system and liquid crystal display device having the same |
| 05/04/2005 | EP1527505A2 Electrical network protection system |
| 05/04/2005 | EP1057233A4 Zone arc fault detection |
| 05/04/2005 | DE202005002846U1 Load protection control circuit for current or voltage supply e.g. for computer system, with switch circuit between protection stage comparing load current or voltage with reference value and control circuit of current or voltage supply |
| 05/04/2005 | CN2697931Y Charger using USB interface for mobile telephone set |
| 05/04/2005 | CN2697925Y Time delay type leakage relay |
| 05/04/2005 | CN2697924Y Intelligent contactless switch |
| 05/04/2005 | CN2697923Y Surge protector with single window state indication |
| 05/04/2005 | CN2697654Y Single direction electricity meter switch with energy saving |
| 05/04/2005 | CN1612459A DC power supply circuit and leakage breaker using same |
| 05/03/2005 | US6888712 Combination current sensor and relay |
| 05/03/2005 | US6888708 Method and apparatus for control and detection in resistance grounded electrical systems |
| 05/03/2005 | US6888335 Method and system for controlling vehicle door position in response to detection of abnormal operation |
| 04/28/2005 | WO2005039239A2 Ballast protecting device |
| 04/28/2005 | WO2005039011A1 Electrostatic discharge protection circuit and method of operation |
| 04/28/2005 | WO2005038474A1 Method and apparatus for identifying intermittent earth fault |
| 04/28/2005 | US20050088832 ESD protection structure and device utilizing the same |
| 04/28/2005 | US20050088791 [electrostatic discharge protection circuit] |
| 04/28/2005 | US20050088109 Electronic ballast having a protective circuit for a switching transistor of a converter |
| 04/27/2005 | EP1526624A2 Device for rapid disconnection of short circuits in electrical dc and ac networks |
| 04/27/2005 | EP1526622A2 Electronic ballast with protection circuit for switching transitors of a converter |
| 04/27/2005 | EP1525650A1 Switching unit for switching a connection between a mains and a load |
| 04/27/2005 | CN2696187Y Power electronic type short-circuit fault current limitter |
| 04/27/2005 | CN2696184Y Electronic combined current sensor |
| 04/27/2005 | CN1610998A A medium voltage integrated switchgear |
| 04/27/2005 | CN1610475A Electronic ballast having a protective circuit for a switching transistor of a converter |
| 04/27/2005 | CN1610204A Special external automatic controlling power-off energy-saving protector for computer TV set |
| 04/27/2005 | CN1610203A Anti-electric shock protector |
| 04/27/2005 | CN1609403A 电动窗户驱动装置 Power windows drive |
| 04/26/2005 | US6885949 System and method for measuring system parameters and process variables using multiple sensors which are isolated by an intrinsically safe barrier |
| 04/26/2005 | US6885529 CDM ESD protection design using deep N-well structure |
| 04/26/2005 | US6885223 Overvoltage detector |
| 04/26/2005 | CA2310937C A fused disconnect device for front/rear access installation |
| 04/26/2005 | CA2120148C Protection device for signal and power carrying line |
| 04/22/2005 | CA2485384A1 Electronic ballast having a protective circuit for a switching transistor of a converter |
| 04/21/2005 | WO2005036710A1 Power supply monitor and power converter comprising it |
| 04/21/2005 | WO2005036184A2 Electronic circuit arrangement for connecting at least one active rotational speed sensor, especially in utility vehicles |
| 04/21/2005 | WO2004114492A3 Systems and methods for fault-based power signal interruption |
| 04/21/2005 | WO2004070901A3 Circuit interrupting device with lock out and reversible wiring |
| 04/21/2005 | WO2004062055A3 Digital protective relay for power systems with operator-initiated record keeping capability |
| 04/21/2005 | US20050085955 Automotive computing systems |
| 04/21/2005 | US20050083625 Reverse circulation protection circuit |
| 04/21/2005 | US20050083617 Ground and line fault interrupt controller/adapter |
| 04/21/2005 | US20050083616 Single-sensor microcontroller-based approach for ground fault circuit interrupters |
| 04/21/2005 | US20050083004 Power-window jamming preventing apparatus |
| 04/21/2005 | US20050083003 Power-window jamming preventing apparatus |
| 04/21/2005 | DE10253864B4 Verfahren und Anordnung zur Erdschlussüberwachung eines Stators in Sternschaltung Method and system for ground fault monitoring of a stator in star connection |
| 04/21/2005 | DE10230527B4 Verfahren und Einrichtung zur Überwachung der Funktionstüchtigkeit elektronischer Leistungsbauelemente Method and apparatus for monitoring the functionality of electronic power devices |
| 04/20/2005 | EP1524648A2 Power supply system and liquid crystal display device having the same |
| 04/20/2005 | EP1523795A1 Sensor protection circuit |
| 04/20/2005 | CN2694580Y Circuit break warning equipment |
| 04/20/2005 | CN2694151Y SCM controlled universal electricity preventing wall apparatus for indoor electric heater |
| 04/19/2005 | US6883123 Microprocessor runaway monitoring control circuit |
| 04/19/2005 | US6882511 Electronic earth leakage current device |
| 04/19/2005 | US6882257 Earth Leakage Breaker |
| 04/14/2005 | WO2004109885A3 Self-learning electronic fuse |
| 04/14/2005 | WO2004072815A3 Rapid regeneration of failed disk sector in a distributed database system |
| 04/14/2005 | US20050078425 Use of a thermal limit curve with a time overcurrent curve to provide thermal protection in a protective relay |
| 04/14/2005 | US20050078424 Overvoltage protection circuit, and power source, power supply system and electronic apparatus using the overvoltage protection circuit |
| 04/14/2005 | US20050078419 Electrostatic discharge protection circuit and method of operation |
| 04/14/2005 | DE10342599A1 Verfahren und Schaltungsanordnung zur Erdschlusserfassung an elektronischen Auslösern für Niederspannungs-Leistungsschalter mit vorgeschalteten Messverstärkern Method and circuit for earth fault on electronic releases for low-voltage circuit breakers with upstream amplifiers |
| 04/14/2005 | DE10342598A1 Verfahren und Schaltungsanordnung zur Schnellausschaltung von Niederspannungs-Leistungsschaltern Method and circuit arrangement for rapidly tripping low-voltage circuit breakers |
| 04/14/2005 | DE10342597A1 Verfahren und Schaltungsanordnung zur Überwachung von Niederspannungs-Leistungsschaltern vorgeordneten Sicherungen Method and circuit arrangement for monitoring low-voltage circuit breakers upstream fuses |
| 04/14/2005 | DE102004044114A1 Videoeingangsschutzschaltung zum Schutz gegen Kurzschluss zur Batterie unter Beibehaltung eines Abschlusswiderstands Video input protection circuit for protection against short circuit to the battery while maintaining a terminating resistor |
| 04/14/2005 | DE102004014864A1 Schutzkreis zum Schutz vor elektrostatischen Entladungen und Verfahren zur Herstellung von Licht emittierenden Dioden Protection circuit to protect against electrostatic discharges and method for the production of light-emitting diodes |
| 04/13/2005 | EP1523080A2 System and apparatus for detecting and monitoring circuit breaker operation |
| 04/13/2005 | CN2692721Y Digital display temp controller with safety switch |
| 04/13/2005 | CN1605883A Switch type magnetic field sensor for current overload protector |
| 04/13/2005 | CN1196938C Power cable lines |
| 04/12/2005 | US6880149 Method for runtime code integrity validation using code block checksums |
| 04/12/2005 | US6880102 Method and system for managing storage systems containing multiple data storage devices |
| 04/12/2005 | US6880060 Method for storing metadata in a physical sector |
| 04/12/2005 | US6879479 Current detector for surge arrester diagnostic and overvoltage assessment in high voltage substations |
| 04/12/2005 | US6879478 Surge counter/detector apparatus, system and method |
| 04/12/2005 | US6879476 Electrostatic discharge circuit and method therefor |
| 04/12/2005 | US6879260 Load indicator |
| 04/12/2005 | US6878905 Apparatus and method for flexible heating cover assembly for thermal cycling of samples of biological material |
| 04/12/2005 | CA2279441C Circuit interrupter with arcing fault protection and ptc (positive temperature coefficient resistivity) elements for short circuit and overload protection |
| 04/10/2005 | CA2484054A1 Use of a thermal limit curve with a time overcurrrent curve to provide thermal protection in a protective relay |
| 04/07/2005 | WO2005031931A1 Device for supervising a leakage current of a lighting arrester |
| 04/07/2005 | WO2004097545A3 A method of executing a computer program |
| 04/07/2005 | US20050073786 Mirror element drive circuit with fault protection |
| 04/07/2005 | US20050073784 Modular DC-DC standby voltage converter having programmable sequencing |
| 04/07/2005 | US20050073421 Power distribution bus with protection and alarming |
| 04/07/2005 | DE10341924A1 Relay for car use has coil voltage and current sensor with microcontroller evaluation of temperature dependent impedance threshold |
| 04/07/2005 | CA2539964A1 Device for monitoring the leakage current of a surge arrester |
| 04/06/2005 | CN2691132Y Leakage overload protector |
| 04/06/2005 | CN2691123Y Real time on-line monitor for higt voltage equipment of transforming station |
| 04/06/2005 | CN2691105Y Intelligent energy saving power socket special for computer |
| 04/06/2005 | CN2690094Y Anti-shock protector for electric welder for human |
| 04/06/2005 | CN1604473A Electric window drive apparatus |
| 04/06/2005 | CN1604419A Dead-space free circuit breaker for earth leakage abrupt change and operation method thereof |
| 04/06/2005 | CN1604418A Automatic tracking protector for earth leakage and operation method thereof |
| 04/05/2005 | US6876532 Circuit interrupter trip unit |