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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11/22/2007 | DE10327585B4 Mobiles elektrisches Stromversorgungssystem mit einem deaktivierbaren Fehlerstromschutz Portable electric power system with a deactuable fault protection |
11/21/2007 | EP1305862A4 Method and system for providing intelligent network management |
11/21/2007 | CN200979998Y An automatically transforming switch without transformation in a short circuit fault |
11/21/2007 | CN200979988Y An electric device compoundly used with an anti-thunder module |
11/21/2007 | CN200979984Y A comprehensive protection device of a coal electric drill used in mine |
11/21/2007 | CN200979983Y A protection device of an electric arc leakage |
11/21/2007 | CN200979982Y A power limit controller with automatic reset and voice prompt |
11/21/2007 | CN200979866Y An intelligent release of a build-in voltage sensor |
11/21/2007 | CN101076766A Improved circuit for portable lighting equipment and portable chargeable electronic equipment |
11/21/2007 | CN101075754A Method for sampling, controlling and transmitting data synchronously |
11/21/2007 | CN101075753A Method for sampling and processing transmission data with transmission line optical-fiber longitudinal difference protection |
11/21/2007 | CN101075735A Method and device for lightning arresting switch |
11/21/2007 | CN101075734A Special intelligent circuit breaker for railway signal |
11/21/2007 | CN101075715A Refrigerator with inleakage-protecting function |
11/21/2007 | CN101075511A Module for controlling permanent-magnetic AC contact against voltage transient interruption |
11/21/2007 | CN100350606C Voltage variable material for direct application and devices employing same |
11/20/2007 | US7299377 Fault tolerant cell array architecture |
11/20/2007 | US7298727 Power control method and apparatus using control information in mobile communication system |
11/20/2007 | US7298601 Over-voltage protection for voltage regulator modules of a parallel power system |
11/20/2007 | US7298598 Wiring device with multi-shot miswire |
11/20/2007 | US7298149 Fault location using measurements of current and voltage from one end of a line |
11/20/2007 | US7298057 Safety system and method for a serial passenger seat power bus |
11/15/2007 | WO2007128414A2 Safety device particularly for electrical appliances |
11/15/2007 | WO2006113439A3 Lcdi with isolated detection and interruption |
11/15/2007 | US20070263336 Three-phase harmonic reduction filter for bidirectional power converters |
11/15/2007 | US20070263332 System and method for high voltage protection of powered devices |
11/15/2007 | US20070263331 Systems and Methods for Power Ride-Through in Variable Speed Drives |
11/15/2007 | US20070263329 Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults |
11/15/2007 | US20070262780 Arc fault detector |
11/15/2007 | DE102006023324A1 Erfassung und Begrenzung maximaler Statorströme Detection limit and maximum stator |
11/15/2007 | DE102006022158A1 Leistungsschaltung mit Kurzschlussschutzschaltung Power circuit with short circuit protection circuit |
11/14/2007 | EP1658666A4 Steering assist system |
11/14/2007 | EP1634171B1 Backup cell controller |
11/14/2007 | CN200976576Y Plane solid state relay for short circuit and overload protection |
11/14/2007 | CN200976496Y AC power switch apparatus |
11/14/2007 | CN200976487Y Non-residual current arc earthing protection voice alarm device |
11/14/2007 | CN200976486Y Numerical control synthetic protection monitoring instrument |
11/14/2007 | CN200976485Y Under-voltage protection circuitry |
11/14/2007 | CN200976484Y Whole machine power-off protection circuit for gas meter |
11/14/2007 | CN200976483Y Single-phase earth fault online wire-selecting protection equipment |
11/14/2007 | CN200976482Y Leakage detection protective circuit |
11/14/2007 | CN200976481Y Single-phase overvoltage and overcurrent protective switch |
11/14/2007 | CN200976480Y Quantitative power supply having short circuit protecting function |
11/14/2007 | CN200976337Y Residual current breaker |
11/14/2007 | CN101073188A Additional device in a current limiter for limiting current in the event of a fault |
11/14/2007 | CN101071988A Power-supply supplying device with anti-electrophoresis function |
11/14/2007 | CN101071950A Charging circuit, over-voltage protection circuit |
11/14/2007 | CN100349351C stand-by energy-saving circuit |
11/14/2007 | CN100349346C Auto-power-off electrical source protecting equipment |
11/14/2007 | CN100349345C Intelligent detecting method and appliance for service stop of electricity leakage protector |
11/13/2007 | US7296258 Software management systems and methods for automotive computing devices |
11/13/2007 | US7296190 Parallel text execution on low-end emulators and devices |
11/13/2007 | US7296104 Automated calibration of I/O over a multi-variable eye window |
11/13/2007 | US7295894 Method for initializing a power-activated adjusting device and device for implementing said initialization method |
11/13/2007 | US7295412 Protection circuit for power management semiconductor devices and power converter having the protection circuit |
11/13/2007 | US7295410 Protective device with miswire protection |
11/13/2007 | CA2343872C Solid state protection circuit for electrical apparatus |
11/08/2007 | WO2007125000A1 Process for the dimensioning of an arresting element cut-off switch offor a surge absorberarrester |
11/08/2007 | US20070258178 Power supply with disconnect fuse |
11/08/2007 | US20070258177 Electrical Over/Under Voltage Automatic Disconnect Apparatus and Method |
11/08/2007 | US20070258175 Method and apparatus for open neutral fault detection |
11/08/2007 | US20070257765 Environmental Fuse |
11/07/2007 | EP1852950A2 Protective device for electrical networks and for electrical user devices connected to an electrical network |
11/07/2007 | EP1851840A1 Method for controlling electrical consumers and corresponding circuit arrangements |
11/07/2007 | EP1764693B1 Data restoring apparatus using journal data and identification information |
11/07/2007 | EP1535081B1 Fault location using measurements of current and voltage from one end of a line |
11/07/2007 | CN200973015Y Leakage protector for power supply lead-in device in carriage |
11/07/2007 | CN200973014Y Protector for domestic electrical equipment |
11/07/2007 | CN200973013Y Overcurrent protection circuit of LCD power 12V |
11/07/2007 | CN200973012Y DC low voltage distributor |
11/07/2007 | CN200973010Y Protection type power cable connection box |
11/07/2007 | CN200972972Y Safety leakage protection socket with service life stop detection function |
11/07/2007 | CN200972971Y Leakage protection socket with service life stop detection function |
11/07/2007 | CN200972969Y Leakage protection socket |
11/07/2007 | CN200972968Y Leakage protection socket |
11/07/2007 | CN200972847Y Underground high-tension switch capable of preventing voltage undulating mistrip |
11/07/2007 | CN200972693Y Three-phase four-line phase short-of and power-out alarm |
11/07/2007 | CN101069333A Automobile circuit with higher voltage |
11/07/2007 | CN101069332A System and method for managing fault in a power system |
11/07/2007 | CN101068448A Power-limiting circuit |
11/07/2007 | CN100347942C Motor power supply |
11/06/2007 | US7293202 Isolating the evaluation of actual test results against expected test results from the test module that generates the actual test results |
11/06/2007 | US7293149 Method and apparatus for determining a status of an asynchronous memory |
11/06/2007 | US7292421 Local ESD power rail clamp which implements switchable I/O decoupling capacitance function |
11/06/2007 | US7292420 Apparatus for improved ground fault equipment protection |
11/06/2007 | US7292419 Fault interrupter with interchangeable line load connections |
11/06/2007 | US7292418 Leakage current interrupter with sustained overvoltage and/or overcurrent protection |
11/06/2007 | US7292042 Ground fault detector for vehicle |
11/06/2007 | US7291940 Pressure sensitive switches including touch sensor structures |
11/06/2007 | CA2312355C Method and device for testing digital protection devices |
11/02/2007 | CA2586812A1 High current capable circuit testing closer apparatus and method |
11/01/2007 | WO2007124029A2 Noise immune over current protection with inherent current limiting for switching power converter |
11/01/2007 | WO2007123390A1 A time alert device for use together with an earth leakage protection device |
11/01/2007 | WO2007123389A1 An earth leakage protection device with time alert feature |
11/01/2007 | WO2007122703A1 Overload relay and its operation method |
11/01/2007 | WO2007121492A1 Switching device |
11/01/2007 | WO2007083221A3 Electrical switching apparatus including a second trip circuit responding to failure of a first trip circuit to provide a repetitive signal |
11/01/2007 | WO2007058799A3 Transient blocking unit having shunt for over-voltage protection |
11/01/2007 | WO2006119317A3 Latching solid state relay |
11/01/2007 | WO2006053567A3 Compensation of simple fiberoptic faraday effect sensors |