| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 05/18/2011 | CN101388541B Automobile air conditioner control panel reference supply protecting equipment |
| 05/18/2011 | CN101290104B LED illuminating apparatus |
| 05/17/2011 | US7944670 Surge protection circuit for passing DC and RF signals |
| 05/17/2011 | US7944669 Electric fence energizer lightning protection |
| 05/17/2011 | US7944668 Connection apparatus with high voltage impulse protection |
| 05/17/2011 | US7944665 Control and protection system for an output of automation equipment |
| 05/17/2011 | US7944664 Safety device for a semiconductor switch |
| 05/17/2011 | US7944663 Over-current protection circuit |
| 05/17/2011 | US7944661 Protection circuit, flat display device using the same, and method for driving flat display device using the same |
| 05/17/2011 | US7944660 Micro-electromechanical system based selectively coordinated protection systems and methods for electrical distribution |
| 05/17/2011 | US7944659 ESD protection circuit for high speed signaling including a switch |
| 05/17/2011 | US7944658 Integrated circuit and assembly therewith |
| 05/17/2011 | US7944657 Electrostatic discharge protection circuit |
| 05/17/2011 | US7944655 Electrostatic discharge protection circuit employing a micro electro-mechanical systems (MEMS) structure |
| 05/17/2011 | US7944654 Multiple-pole circuit breaker with shared current sensor for arcing fault detection |
| 05/17/2011 | US7944213 Ground fault detection device |
| 05/17/2011 | CA2459518C Frequency selective transient voltage protector |
| 05/12/2011 | US20110110005 Fault protector for opto-electronic devices and associated methods |
| 05/12/2011 | US20110110004 Circuit Arrangement for Protection from Electrostatic Discharges and Method for Operating Same |
| 05/12/2011 | DE202007019253U1 Anordnung zur Kompensations eines Fehlerstromes bei einem Erdschluss Arrangement for compensating a fault current for a ground fault |
| 05/11/2011 | EP2320569A1 Electrostatic discharge protection |
| 05/11/2011 | EP1673845B1 Circuit arrangement for startup current limitation for electronic modules connected to a module carrier |
| 05/11/2011 | CN201830578U Detachable network cabinet with lightning protection safety device |
| 05/11/2011 | CN201830504U Light emitting diode (LED) illumination power supply over-voltage or under-voltage protection circuit |
| 05/11/2011 | CN201830274U Ethernet interface circuit integrated module with surge protection function |
| 05/11/2011 | CN201829947U Secure lightning arrester |
| 05/11/2011 | CN201829946U Gapless three-column and three-phase combined type overvoltage protector |
| 05/11/2011 | CN201829945U Transformer direct-current magnetic biasing compensating device with reactive compensation function |
| 05/11/2011 | CN201829944U Grounding-for-lightning device for wind turbine in wind power field |
| 05/11/2011 | CN201829943U Short-circuit protection and anti-lightning circuit |
| 05/11/2011 | CN201829942U Simple and practical lightning protection circuit |
| 05/11/2011 | CN201829941U Subway traction power supply device with function of inhibiting overvoltage |
| 05/11/2011 | CN201829940U Anti-electric leakage circuit for ground wire of electrical appliance |
| 05/11/2011 | CN201829939U Sawtoothed lightning arrester of electronic equipment |
| 05/11/2011 | CN201829938U Independent grounding wire for high-voltage cable |
| 05/11/2011 | CN102057551A A protecting apparatus |
| 05/11/2011 | CN102057549A Quarter wave stub surge suppressor with coupled pins |
| 05/11/2011 | CN102055182A Lightening protector without ground wire |
| 05/11/2011 | CN102055181A Switching tube protection circuit |
| 05/11/2011 | CN102055180A Flexible protection circuit used for battery |
| 05/11/2011 | CN102055179A Electrostatic discharge protection device |
| 05/11/2011 | CN102054840A Static discharge protection device |
| 05/11/2011 | CN101540683B Interface circuit and communication equipment |
| 05/11/2011 | CN101478183B Apparatus and method for obtaining electricity from high voltage electric cable |
| 05/11/2011 | CN101459334B Electrical power system failure information obtaining method |
| 05/11/2011 | CN101425353B Non-residual pressure monitor for lightning arrester |
| 05/11/2011 | CN101369728B Automatic tuning control method of arc suppression coil by compensation susceptance incremental method |
| 05/10/2011 | US7940506 Automated AC line filter and surge suppression apparatus and method |
| 05/10/2011 | US7940505 Low power load switch with protection circuitry |
| 05/10/2011 | US7940503 Power semiconductor arrangement including conditional active clamping |
| 05/10/2011 | US7940500 Multi-chip module package including external and internal electrostatic discharge protection circuits, and/or method of making the same |
| 05/10/2011 | US7940499 Multi-pad shared current dissipation with heterogenic current protection structures |
| 05/10/2011 | US7940498 Circuit interrupting device with high voltage surge protection |
| 05/05/2011 | WO2011050977A1 Electrostatic discharge protection |
| 05/05/2011 | US20110102959 Protection Patch Panel |
| 05/05/2011 | US20110102957 Protection Device |
| 05/05/2011 | US20110102955 Semiconductor device |
| 05/05/2011 | US20110102954 Semiconductor integrated circuit |
| 05/05/2011 | US20110102953 GFCI that cannot be reset until wired correctly on line side and power is applied |
| 05/05/2011 | US20110102952 Method for production of an oscillating signal and of an electrical protection device or measurement instrument having an oscillation identification device |
| 05/05/2011 | US20110102950 Power factor correction circuit and driving method thereof |
| 05/05/2011 | US20110101945 Multi-channel low voltage micro-electric-field generator |
| 05/05/2011 | DE202010016972U1 Schaltung zum Schutz eines elektrischen Verbrauchers gegen Überspannungen Circuit for protecting an electrical load against overvoltages |
| 05/04/2011 | EP2317622A1 System and method for limiting energy in an industrial control system |
| 05/04/2011 | EP2128951A9 Electronic active earthing system for use in high-voltage distribution networks |
| 05/04/2011 | CN201821632U Device for eliminating electromagnetic radiation of electronic equipment |
| 05/04/2011 | CN201821553U Open-circuit protecting circuit of light emitting diode constant-current driving circuit |
| 05/04/2011 | CN201821546U LED light source driving power supply |
| 05/04/2011 | CN201821218U Motor alarm circuit |
| 05/04/2011 | CN201821156U Circuit device of direct current ceiling-fan motor |
| 05/04/2011 | CN201821099U Circuit protection device for vibratory transmitters |
| 05/04/2011 | CN201821097U Arc extinguishing cabinet |
| 05/04/2011 | CN201821096U Three-phase combined overvoltage protector with gap |
| 05/04/2011 | CN201821095U Signal surge protection device |
| 05/04/2011 | CN201821094U Combined surge protective device provided with LC decoupling element |
| 05/04/2011 | CN201821093U Airborne DC (Direct Current) anti-surge circuit |
| 05/04/2011 | CN201821075U Electronic arc-absorption circuit |
| 05/04/2011 | CN201821032U Overvoltage suppression cabinet |
| 05/04/2011 | CN201820887U GPS (global position system) time service antenna for integrated lightning arrester |
| 05/04/2011 | CN201820605U Disperse-compensation capacitance-current transformer for medium voltage system |
| 05/04/2011 | CN201820549U Double-layer structure of six-phase lightning arrester |
| 05/04/2011 | CN102047521A Protection system for voltage transformers |
| 05/04/2011 | CN102047520A Hot swap controller with zero loaded charge pump |
| 05/04/2011 | CN102047519A Technique for removing in-rush current limiting and short circuit current limiting |
| 05/04/2011 | CN102047353A Surge arrester comprising an integrated protection device |
| 05/04/2011 | CN102044867A Device for reducing lightning invasion wave gradient of transformer |
| 05/04/2011 | CN102044866A Electrical-overstress protection circuit for an integrated circuit |
| 05/04/2011 | CN102044865A Saturated core type superconductive current limiter with cable-wound AC winding structure |
| 05/04/2011 | CN102044297A Storage device and operation method thereof |
| 05/04/2011 | CN101442046B Dynamic detection electrostatic protection circuit structure |
| 05/03/2011 | USRE42319 Circuit protection device |
| 05/03/2011 | USRE42318 Semiconductor module with serial bus connection to multiple dies |
| 05/03/2011 | US7936544 High-voltage X-ray generator |
| 05/03/2011 | US7936540 DC-DC converters having improved current sensing and related methods |
| 04/28/2011 | US20110096447 Integrated circuit device and electronic apparatus |
| 04/28/2011 | US20110096446 Electrostatic discharge clamp with controlled hysteresis including selectable turn on and turn off threshold voltages |
| 04/28/2011 | US20110095817 Overcurrent detection circuit and signal amplifying device |
| 04/28/2011 | US20110095723 Overcurrent and ground fault protection in a networked charging station for electric vehicles |
| 04/27/2011 | EP2313962A1 Circuitry for power limiting of an electronic assembly |
| 04/27/2011 | EP1138050B2 Transmission line-mounted surge arrester with a stabilizing device |