| 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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| 08/07/2013 | EP2624397A1 Method and apparatus for determining direction of fault |
| 08/07/2013 | EP2622622A1 Residual current operated device |
| 08/07/2013 | EP2622621A1 Dip switch change detection in a self powered relay |
| 08/07/2013 | DE202012012590U1 Vorrichtungen zum Überwachen eines Schutzleiters Means for monitoring a protective conductor |
| 08/07/2013 | CN203120214U Control and driving integration apparatus used for solar energy LED illumination |
| 08/07/2013 | CN203119761U Mining intrinsic safety power supply |
| 08/07/2013 | CN203119448U Radio-frequency power supply under-power protective circuit |
| 08/07/2013 | CN203119447U Three-phase power supply protection circuit |
| 08/07/2013 | CN203119446U Voltage type and current type electric leakage plug |
| 08/07/2013 | CN203119445U Circuit breaker contact monitoring device |
| 08/07/2013 | CN203119444U Phase sequence detection apparatus |
| 08/07/2013 | CN203119443U Power supply monitoring device |
| 08/07/2013 | CN203119442U Circuit apparatus and electronic equipment |
| 08/07/2013 | CN203119441U Feeder protection device of subway direct current traction power supply system |
| 08/07/2013 | CN203119440U Grounding protection device for ship or steel structure construction |
| 08/07/2013 | CN203119439U Security unit with incoming call prompt function |
| 08/07/2013 | CN203119438U DC source over-current protection module |
| 08/07/2013 | CN203119437U Relay electromagnetic device increase interrupting power supply apparatus |
| 08/07/2013 | CN203119436U Power restoration device controlling reclosure of low-voltage switch in voltage loss |
| 08/07/2013 | CN203117689U Control circuit for stainless household garbage disposer |
| 08/07/2013 | CN203117270U Novel voltage detector |
| 08/07/2013 | CN103236698A Filter |
| 08/07/2013 | CN103236680A Intelligent protection device and method for surge protector |
| 08/07/2013 | CN103236679A Electronic type backup protection device for AC (alternating current) circuit breaker |
| 08/07/2013 | CN103235626A Accelerator power supply device of rapid prototyping manufacturing equipment for electron beams and control method of accelerator power supply device |
| 08/07/2013 | CN102412613B Intrinsically safe battery with self recovery function |
| 08/07/2013 | CN102290684B Time control socket |
| 08/07/2013 | CN101847859B Interface apparatus and electronic device using same |
| 08/06/2013 | US8504879 Connection based anomaly detection |
| 08/06/2013 | US8503149 Apparatus and method for scalable power distribution |
| 08/06/2013 | US8503147 ESD protection device |
| 08/06/2013 | US8503144 Control circuit with protection circuit for power supply |
| 08/06/2013 | US8503143 Battery state monitoring circuit and battery device |
| 08/06/2013 | US8503141 Transient voltage suppressor (TVS) with improved clamping voltage |
| 08/06/2013 | US8503137 Arc fault protection circuit and method |
| 08/06/2013 | US8502688 Standalone self-supplied numeric controlled relay |
| 08/01/2013 | WO2013066914A3 Methods for detecting an open current transformer |
| 08/01/2013 | US20130194709 Input/output interface circuit with overpower protection |
| 08/01/2013 | US20130194706 Photovoltaic Panel Circuitry |
| 08/01/2013 | DE102013100919A1 Method for recognizing hazardous arc occurring in electrical installation system, involves determining frequency distribution of current flow tripping time interval from coefficient or group of coefficients of time interval |
| 07/31/2013 | CN203103945U Surge protector |
| 07/31/2013 | CN203103934U Measurement and control device for grid faults |
| 07/31/2013 | CN203103920U Alarming device of loom motor |
| 07/31/2013 | CN203103914U Leakage detection and protection system |
| 07/31/2013 | CN203103913U Leakage detection and protection system |
| 07/31/2013 | CN203103910U Three-phase four-wire zero line breaking protection breaker |
| 07/31/2013 | CN203103909U Low voltage zero line safety voltage value measuring instrument |
| 07/31/2013 | CN203103908U Under voltage protection circuit for electric concrete pump |
| 07/31/2013 | CN203103907U Electrical shock controller for experimental electrical equipment |
| 07/31/2013 | CN203103906U Intrinsic safety type portable driving power supply device for mine exploration robot bodies |
| 07/31/2013 | CN203103905U Protection device for engineering machine controller |
| 07/31/2013 | CN203103904U A voltage protecting device of a power supply at a wind turbine generator set grid side |
| 07/31/2013 | CN203103903U Reclosure device for electric brake |
| 07/31/2013 | CN203103902U Microcomputer protection switching-on control loop |
| 07/31/2013 | CN203103901U Ultrasonic welding equipment safety protection device |
| 07/31/2013 | CN203103900U Power supply protection device and power supply system |
| 07/31/2013 | CN203090474U Two-channel drive circuit used for remote control toy and short-circuit protection circuit thereof |
| 07/31/2013 | CN103227462A Surge protecting circuit for camera |
| 07/31/2013 | CN103227451A Undervoltage and overvoltage detection and protection method of network voltage, and detection and protection device of method |
| 07/31/2013 | CN103227450A On-line failure recovery method and system |
| 07/31/2013 | CN103227449A Automatic check system for setting values of protective devices |
| 07/31/2013 | CN102074950B Distribution network ground fault arc extinction and protection method |
| 07/31/2013 | CN101938122B Electric control system and method applied to automatic meter verification table of electric energy meter |
| 07/31/2013 | CN101911239B Arc protection module and tandem circuit including same |
| 07/31/2013 | CN101410918B Device for detecting the state of a switch |
| 07/30/2013 | US8498088 Storage device with replaceable protection device |
| 07/30/2013 | US8498086 High speed digital-to-analog converter with low voltage device protection |
| 07/30/2013 | US8498085 ESD protection circuit |
| 07/30/2013 | US8497553 Semiconductor device |
| 07/25/2013 | WO2013109681A2 Voltage regulator over-voltage detection system, method and apparatus |
| 07/25/2013 | WO2013109169A2 Mobile device and method for selective management of a non-priority load |
| 07/25/2013 | WO2013108064A1 Over-current protection device |
| 07/25/2013 | WO2013107320A1 Surge protection circuit |
| 07/25/2013 | WO2013106985A1 Method for identifying fault direction without voltage measurement information and directional element thereof |
| 07/25/2013 | US20130188287 Protection circuit, charge control circuit, and reverse current prevention method employing charge control circuit |
| 07/25/2013 | US20130188285 Method of operating integrated circuit breaker module for solar power system |
| 07/25/2013 | DE102012219542A1 Protective conductor monitoring device, has detector producing variable depending test current, and evaluation device evaluating variable produced by detector, where reference potential generator comprises capacitor and diode |
| 07/24/2013 | EP2618441A1 Method of operating integrated circuit breaker module for solar power system |
| 07/24/2013 | EP2618439A2 Protective circuit for a battery pack |
| 07/24/2013 | CN203086800U Tower lamp drive device with overcurrent protection circuit |
| 07/24/2013 | CN203086775U LED street lamp device with lightning arrester |
| 07/24/2013 | CN203086712U Receiver device for mobile terminal and mobile terminal |
| 07/24/2013 | CN203086358U Energy-saving type switch power supply |
| 07/24/2013 | CN203086240U Power system lightning remote on-line monitoring device |
| 07/24/2013 | CN203086128U High-precision overload and short circuit protection circuit |
| 07/24/2013 | CN203086126U Novel surge protector |
| 07/24/2013 | CN203086114U Anti-interference electricity control device of high-voltage frequency converter |
| 07/24/2013 | CN203086104U Overvoltage, under-voltage and discharging control circuit |
| 07/24/2013 | CN203086103U Fuse terminal |
| 07/24/2013 | CN203086102U Electric protector used for single-phase automatic reclosing lock |
| 07/24/2013 | CN203086101U Electric protector capable of reclosing automatically |
| 07/24/2013 | CN203086100U Alternating current power supply automatic tripping protection circuit with isolation function |
| 07/24/2013 | CN203086099U Alarm protective device for main contact adhesion of alternating-current contactor |
| 07/24/2013 | CN203081250U Anti-theft alarm roller shutter door |
| 07/24/2013 | CN103222145A Continuous uninterruptable AC grounding system for power system protection |
| 07/24/2013 | CN103219778A 5V output mobile power supply |
| 07/24/2013 | CN103219703A Leakage protector for preventing low voltage inverse power transmission |
| 07/24/2013 | CN103219702A Electric leakage detection protection circuit capable of performing timed self-detection |
| 07/24/2013 | CN103219701A Instant outage self-recovery protection circuit used for variable frequency air conditioner and method thereof |
| 07/24/2013 | CN103219700A Remotely-controlled electronic equipment on-off device |