| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 01/19/2012 | US20120014020 Method and apparatus for monitoring the isolation of an it-grid |
| 01/19/2012 | US20120013696 Fixing unit controlling apparatus and image forming apparatus including the same |
| 01/18/2012 | EP2408080A2 Protection system having reduced energy let-through mode and zone selectivity |
| 01/18/2012 | EP2408078A2 Centrally controlled protection system having reduced energy let-through mode |
| 01/18/2012 | EP2406824A1 A voltage suppressor component |
| 01/18/2012 | CN202121577U Intelligent protection circuit of communication device |
| 01/18/2012 | CN202121540U Excitation system having overvoltage protective device |
| 01/18/2012 | CN202121321U Direct current high voltage circuit of electric automobile air conditioner |
| 01/18/2012 | CN202121319U Arc-extinguishing harmonic-eliminating controller with remote wireless communication module |
| 01/18/2012 | CN202121318U Over-voltage protection module of direct current circuit |
| 01/18/2012 | CN202121317U Lightning protection device having overvoltage and overcurrent protection functions |
| 01/18/2012 | CN202121316U Surge protector for inductive lightning energy transfer and storage |
| 01/18/2012 | CN202121315U Rapid bypass device |
| 01/18/2012 | CN202121314U A 48 V circuit hot swap protective device |
| 01/18/2012 | CN202121313U Infrared probe and discharge circuit thereof |
| 01/18/2012 | CN202121312U Safety belt of electric shock prevention |
| 01/18/2012 | CN202121296U Power transformer with self-protection function |
| 01/18/2012 | CN202120050U Power saving device of communication base station |
| 01/18/2012 | CN1744406B On-line integral pluggable signal circuit surge protector |
| 01/18/2012 | CN102324739A Lightning strike and surge prevention method for power over Ethernet and thunder preventer |
| 01/18/2012 | CN102324738A Gigabit network thunder preventing method and device |
| 01/18/2012 | CN102324737A Short-circuit current limiter of power system |
| 01/18/2012 | CN102324736A Magnetron type fault current limiter |
| 01/17/2012 | US8098468 Hardware overvoltage disconnecting circuit |
| 01/17/2012 | US8098467 Method for avoidance of inadvertent protective tripping as a result of measurement errors within a protection system for an HVDC transmission installation |
| 01/17/2012 | US8098466 Circuit configurations to reduce snapback of a transient voltage suppressor |
| 01/12/2012 | US20120008342 Power conversion apparatus and over current protection method thereof |
| 01/12/2012 | US20120008247 Surge suppression device having one or more rings |
| 01/12/2012 | US20120008244 Electrical-overstress protection circuit for an integrated circuit |
| 01/12/2012 | US20120008243 Secondary ESD Circuit |
| 01/12/2012 | US20120008242 Apparatus and method for electronic circuit protection |
| 01/12/2012 | US20120008241 Esd protection circuit and method |
| 01/12/2012 | US20120008240 High efficiency amplifier with reduced electromagnetic interference |
| 01/12/2012 | US20120008238 Transistor Half-Bridge Control |
| 01/12/2012 | US20120007656 Radiation Tolerant Complementary Cascode Switch Using Non-Radiation Hardened Transistors |
| 01/11/2012 | EP2404177A1 Truncating radio connection |
| 01/11/2012 | CN202111899U LED (Light-emitting Diode) decorating tube and integrated drive circuit thereof comprising 24V numerical control overvoltage protection circuit |
| 01/11/2012 | CN202111470U Lightning and surging protection circuit |
| 01/11/2012 | CN202111469U LED series open circuit protecting circuit and television |
| 01/11/2012 | CN202111468U Quick bypass device |
| 01/11/2012 | CN202111458U Electric leakage detection protection circuit with lightning impulse resistance function |
| 01/11/2012 | CN202110199U Control combination device for test system |
| 01/11/2012 | CN202109318U Large-power light-emitting diode (LED) point type light source system for rail annunciator |
| 01/11/2012 | CN202106867U Device for suppressing excess voltage of articulated phase insulator |
| 01/11/2012 | CN102316623A Uninterrupted power supply sensing type street lamp power supply controller |
| 01/11/2012 | CN102315636A Lightning protection circuit for direct current motor and main power supply circuit |
| 01/11/2012 | CN102315635A Overvoltage circuit, and motor starter, overload relay and low-power system including the same |
| 01/11/2012 | CN102315634A Circuit breaker with overvoltage protection |
| 01/11/2012 | CN102315633A Electrostatic protection circuit |
| 01/11/2012 | CN102315632A Driving circuit for inhibiting over current of IGBT (Insulated Gate Bipolar Transistor) |
| 01/11/2012 | CN102315631A Uninterrupted inrush current protection circuit |
| 01/11/2012 | CN102315630A Household cooking device |
| 01/11/2012 | CN102315629A Protection circuit and electronic device with same |
| 01/11/2012 | CN102315212A Gate driving thyristor circuit and electrostatic protection circuit |
| 01/11/2012 | CN101741078B Locking circuit for overvoltage-undervoltage protection of driving voltage of IGBT (insulated gate bipolar transistor) |
| 01/11/2012 | CN101728876B Non-contact inductive electricity-getting device for electric tunnel cable |
| 01/11/2012 | CN101667728B Protection circuit for three-wire system current output transmitter |
| 01/10/2012 | US8094423 Protection circuit for MOSFET |
| 01/10/2012 | US8094422 Integrated circuit |
| 01/10/2012 | CA2358978C Electrical distribution panel employing a surge protector |
| 01/05/2012 | WO2012003114A1 Apparatus and method for electronic circuit protection |
| 01/05/2012 | WO2012003113A2 Grounding switch method and apparatus |
| 01/05/2012 | US20120002336 Method for current conditioning, in particular on a fault current limiter |
| 01/05/2012 | US20120002335 Protection circuit and electronic device using the same |
| 01/05/2012 | US20120002334 Electrostatic discharge circuit |
| 01/05/2012 | US20120002333 ESD Clamp Adjustment |
| 01/05/2012 | US20120002332 Overvoltage circuit, and motor starter, overload relay and low-power system including the same |
| 01/05/2012 | DE102011051432A1 ESD-Schutzeinrichtungen und ESD-Schutzverfahren ESD protection devices and ESD protection method |
| 01/04/2012 | EP2403092A2 Overvoltage circuit, and motor starter, overload relay and low-power system including the same |
| 01/04/2012 | EP2212982B1 Adaptive electrostatic discharge (esd) protection of device interface for a local interconnect network (lin) bus and the like |
| 01/04/2012 | EP2212981B1 Adaptive electrostatic discharge (esd) protection of device interface for a local interconnect network (lin) bus and the like |
| 01/04/2012 | CN202103592U Rectification voltage regulator of motorcycle |
| 01/04/2012 | CN202103580U Lightening surge preventing power supply adapter |
| 01/04/2012 | CN202103561U Connecting unit applicable to high voltage frequency conversion speed regulator |
| 01/04/2012 | CN202103464U Constant-voltage constant-current charging circuit having surge current suppressing function |
| 01/04/2012 | CN202103419U Device for uniformly controlling and selecting open circuits to distributed arc suppression coils of sectionalized busbars in substation |
| 01/04/2012 | CN202103418U Over-voltage protector for preventing insulated conductor from being broken by lightning strike |
| 01/04/2012 | CN202103417U Lightning protection device for integrated logging instrument |
| 01/04/2012 | CN202103416U Over-current and over-voltage protective integrated module |
| 01/04/2012 | CN202103415U Synthetic protective circuit for card port of prepayment intelligent electric energy meter IC (Integrated Circuit) card |
| 01/04/2012 | CN202103413U Insulated gate bipolar device short circuit self protection circuit |
| 01/04/2012 | CN202103401U Multifunctional solar energy and electric supply protection controller with overvoltage, overcurrent, electric leakage and lightning protection |
| 01/04/2012 | CN202103274U Integrated intelligent socket |
| 01/04/2012 | CN202103067U Over-voltage prevention solar cell panel |
| 01/04/2012 | CN102307411A Light-emitting diode (LED) lamp control circuit having key element overvoltage protection function |
| 01/04/2012 | CN102306934A Overvoltage protection device and preparation method thereof |
| 01/04/2012 | CN102306933A Short-circuit current limiter with high reliability and method thereof |
| 01/04/2012 | CN102306932A Intelligent surge protector with data collection and data transmission functions |
| 01/03/2012 | US8089741 Over-voltage protection device and method for manufacturing thereof |
| 01/03/2012 | US8089739 Electrostatic discharge protection circuit |
| 01/03/2012 | US8089738 GFCI that cannot be reset until wired correctly on line side and power is applied |
| 01/03/2012 | US8089264 Voltage measuring circuit |
| 01/03/2012 | US8088713 Superconducting fault-current limiting element and the process for producing the same |
| 12/29/2011 | US20110317319 Electrostatic discharge protection circuit |
| 12/29/2011 | US20110317318 Circuit elements comprising ferroic materials |
| 12/29/2011 | US20110317317 Method and Device for Delaying Activation Timing of Output Device |
| 12/29/2011 | US20110317316 Method, apparatus, and system for protecting supply nodes from electrostatic discharge |
| 12/29/2011 | US20110317314 Short Circuit Protection Circuit, Short Circuit Protection Method and Power Supply Device Thereof |
| 12/29/2011 | DE102010024863A1 Kobaltfreie NTC-Keramik, Verfahren zur Herstellung einer kobaltfreien NTC-Keramik und ihre Verwendung Cobalt-free NTC ceramic, process for preparing a cobalt-free NTC ceramics and their use |
| 12/28/2011 | EP2399329A2 Radio frequency (rf) power limiter and associated methods |