| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 08/12/2004 | US20040156151 Enhanced power switch device enabling modular USB PC Cards |
| 08/12/2004 | US20040155787 Apparatus and method for monitoring a motor |
| 08/12/2004 | US20040155632 Bi-directional field control for proportional control based generator/alternator voltage regulator |
| 08/12/2004 | US20040155532 Method for sensing switch closure to prevent inadvertent startup |
| 08/12/2004 | US20040155529 Method and system for sensing switch position to prevent inadvertent startup of a motor |
| 08/12/2004 | US20040155466 Monitoring system for a generator |
| 08/12/2004 | DE202004007571U1 Monitoring and control system for operation and protection of DC motors used on automobile systems |
| 08/11/2004 | EP0820255B1 Motor controlled surgical system having positional control |
| 08/11/2004 | CN2632907Y Self-adaptable overtemperature protector |
| 08/11/2004 | CN2632684Y Non-loss current testing circuits |
| 08/11/2004 | CN1520016A Switching power source circuit |
| 08/11/2004 | CN1161808C Silicon equivalent PTC circuit |
| 08/10/2004 | US6772559 Safety device for a sliding panel driven by an electrical motor and method for implementing such a device |
| 08/05/2004 | US20040153215 Fault control and restoration in a multi-feed power network |
| 08/05/2004 | US20040150930 Electronic apparatus |
| 08/05/2004 | US20040150924 I/O interface anti-resonance passband shunting technique |
| 08/05/2004 | US20040150923 Hardmask with high selectivity for Ir barriers for ferroelectic capacitor manufacturing |
| 08/05/2004 | US20040150376 System and method for controlling load dump voltage of a synchronous machine |
| 08/05/2004 | US20040150375 Load dump transient voltage controller |
| 08/05/2004 | US20040150372 Method of automatically cutting off power in case of low battery voltage in mobile electronic unit |
| 08/04/2004 | EP1443624A1 Fault control and restoration in a multi-feed power network |
| 08/04/2004 | EP1443623A2 A system and method for controlling load dump voltage of a synchronous machine |
| 08/04/2004 | EP1443336A2 Method of detecting a branch with an earth fault |
| 08/04/2004 | CN2631098Y Mobile phone cell integrating MP3 music playing device |
| 08/04/2004 | CN2631091Y Capacitor short-circuit automatic protecting device |
| 08/04/2004 | CN2631090Y Motor overload protecting device |
| 08/04/2004 | CN2630450Y Trackless electric retractable door |
| 08/04/2004 | CN1161004C Fluoescent tube current-limiting device with abnormal load protector |
| 07/29/2004 | WO2004064219A2 Circuit protection system |
| 07/29/2004 | US20040145843 Active circuit protection for switched power supply system |
| 07/29/2004 | US20040145842 Apparatus for and method of ground fault detection |
| 07/28/2004 | CN2629308Y 电子式热继电器 Electronic thermal relay |
| 07/28/2004 | CN2629307Y Distribution transformer lightning protector |
| 07/27/2004 | US6768624 Fan protection |
| 07/27/2004 | US6768313 Method for detecting tracking short |
| 07/27/2004 | US6768289 Charge/discharge protection circuit with latch circuit for protecting a charge control FET from overheating in a portable device |
| 07/27/2004 | US6766683 Load-adaptive control system, in particular for transport devices and used in aircraft |
| 07/22/2004 | WO2004062057A1 Electronic control circuit and triac operation-monitoring method |
| 07/22/2004 | US20040141347 Inverter module for train traction systems |
| 07/22/2004 | US20040141267 Electrostatic discharge circuit and method therefor |
| 07/22/2004 | DE10261454A1 Motorsteuerung mit sicherem Halt Motor control with safe stop |
| 07/22/2004 | DE10261450A1 Elektromotor mit integrierter elektronischer Steuereinrichtung Electric motor with integrated electronic control device |
| 07/21/2004 | EP1438778A1 Method for monitoring the reversing process of electrically actuatable units |
| 07/21/2004 | CN2627706Y Power supply anti-interference protective circuit |
| 07/15/2004 | WO2004059829A1 Electric motor comprising an integrated electronic control device |
| 07/15/2004 | WO2004059828A1 Motor controller enabling a safe stop |
| 07/15/2004 | WO2004059812A1 Motor controller comprising a control unit and a fail-safe device for safely tripping a motor |
| 07/15/2004 | US20040138843 Safety device for a sliding panel driven by an electrical motor and method for implementing such a device |
| 07/15/2004 | US20040136123 Circuit devices and method for manufacturing the same |
| 07/15/2004 | US20040135667 Resistance assembly for hookstick operated switching assembly |
| 07/15/2004 | US20040135583 Monitoring apparatus |
| 07/15/2004 | DE19906457B4 Elektrische Energieübertragungsstrecke Electric power transmission line |
| 07/15/2004 | DE10349125A1 Halbleitervorrichtung mit Überspannungsschutzschaltung A semiconductor device with overvoltage protection circuit |
| 07/15/2004 | DE10261848A1 Auto-transformer protection circuit testing method in which a test earth short circuit is formed in the multi-phase auto-transformer to enable checking of the operation of a current differential protection arrangement |
| 07/14/2004 | EP1437813A2 Apparatus for and method of ground fault detection |
| 07/14/2004 | CN2626108Y Device for automatic butt jointing of storage battery polarity |
| 07/14/2004 | CN2626107Y Electronic motor protector |
| 07/14/2004 | CN2626106Y Excess temperature protection circuit for brushless motor |
| 07/14/2004 | CN2625495Y High-frequency low noise portable plug-in type electric control vibration rod |
| 07/13/2004 | US6762594 Limiting ring current in short circuits between adjacent partial windings by increasing leakage impedance |
| 07/08/2004 | WO2004057719A1 Switching circuit, switching method, protective device and battery pack |
| 07/08/2004 | US20040130839 Power line protection |
| 07/08/2004 | US20040130838 Circuit protection system |
| 07/08/2004 | US20040130301 Method and apparatus for limiting ring current in short circuit between adjacent partial windings of regulating winding by increasing leakage impedance in regulating winding |
| 07/08/2004 | US20040130281 Motor actuator with torque control |
| 07/08/2004 | DE19727940B4 Schaltungsanordnung Circuitry |
| 07/07/2004 | CN2624494Y Power distribution automation feeder line monitor terminal |
| 07/07/2004 | CN1511376A Overcurrent detection and protection apparatus for switching element |
| 07/07/2004 | CN1510811A Distribution network automatic separating fault switch controller |
| 07/07/2004 | CN1156957C Process and control device for motor output suitable for being controlled through communication bus |
| 07/06/2004 | US6760207 Compressor terminal fault interruption method and apparatus |
| 07/06/2004 | US6759823 Fail-safe mechanism for dc-drive |
| 07/01/2004 | US20040124814 Transformer inrush current elimination system |
| 07/01/2004 | US20040124801 Movable barrier operator auto-force setting method and apparatus |
| 06/30/2004 | EP1434343A2 Apparatus and method for monitoring a motor |
| 06/30/2004 | EP1433235A1 Motor control circuit overcurrent protection |
| 06/30/2004 | EP1311785B1 Cryostat for electrical devices such as superconducting current limiters and electrical machines such as transformers, motors, generators and electrical magnets with a superconducting winding |
| 06/30/2004 | EP0834210B1 Device and process for electronic monitoring of an adjusting drive in a vehicle |
| 06/30/2004 | CN1508957A Anti-overheating device for induction motor |
| 06/30/2004 | CN1508928A Semiconductor device fitted with impulse-voltage protection circuit |
| 06/30/2004 | CN1155973C Power distribution network incorporating a voltage support transformer and process of use |
| 06/30/2004 | CA2820424A1 Movable barrier operator auto-force setting method and apparatus |
| 06/30/2004 | CA2812098A1 Movable barrier operator auto-force setting method and apparatus |
| 06/30/2004 | CA2729357A1 Movable barrier operator auto-force setting method and apparatus |
| 06/24/2004 | US20040120085 Semiconductor device with surge protection circuit |
| 06/24/2004 | US20040120084 Power supply with multiple transformer current sharing |
| 06/24/2004 | US20040119444 Protection device using 1S circuits, for a battery assembly of electrochemical cells |
| 06/24/2004 | US20040119432 Device for inrush current prevention and dynamic braking in a motor |
| 06/24/2004 | DE10355093A1 Strombegrenzungsprozess für Gleichstrommotoren mit und ohne Bürsten während starker Spanungsänderungen Current limiting process for DC motors and brushless during heavy Spanungsänderungen |
| 06/24/2004 | DE10257425A1 Electrical voltage supply monitoring arrangement for protecting a system against overloading, e.g. in a motor vehicle, whereby thermodynamic models of cables or components are used to predict over-heating |
| 06/23/2004 | EP1431006A2 Method of Operating and Cooling Device for the Motor of an Electric Tool |
| 06/23/2004 | EP1430582A1 Device for limiting the temperature of the rotor field winding of a rotary electric machine and a device for charging a battery equipped with one such control device |
| 06/23/2004 | CN1507141A Switch power source device |
| 06/23/2004 | CN1507128A Protecting circuit for single lithium ion cell |
| 06/23/2004 | CN1507089A Battery with protective circuit |
| 06/23/2004 | CN1155290C System of communication to output function status indications between two or more power system protective relays |
| 06/22/2004 | US6754058 Current breaker circuit for storage devices, and abnormality detection circuit |
| 06/22/2004 | US6753836 Liquid crystal device driver circuit for electrostatic discharge protection |
| 06/22/2004 | US6753792 Distribution line capacitor monitoring and protection module |
| 06/22/2004 | US6753669 Method for controlling the displacement of a part, displaced by an electromotor, of a closure device in a motor vehicle |