| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 03/19/2013 | US8398188 Recording apparatus |
| 03/14/2013 | WO2013036696A1 Motor protection and control apparatus, system, and/or method |
| 03/14/2013 | WO2013036670A1 Starter apparatus, system, and/or method for a separable-winding motor |
| 03/14/2013 | US20130066311 Surgical Generator And Related Method For Mitigating Overcurrent Conditions |
| 03/14/2013 | US20130063855 Very fast transient suppressing device |
| 03/14/2013 | US20130063853 Snubber circuit and method of using bipolar junction transistor in snubber circuit |
| 03/14/2013 | US20130063847 Fault protection circuit for iec 61158 fieldbus spur and method of using the same |
| 03/14/2013 | US20130063846 ESD Protection Device With Reduced Clamping Voltage |
| 03/14/2013 | US20130063845 Overvoltage protection equipment |
| 03/14/2013 | US20130063844 Load Switch with True Reverse Current Blocking |
| 03/14/2013 | US20130063843 Esd protection for 2.5d/3d integrated circuit systems |
| 03/14/2013 | US20130063121 Short-circuit protection circuit and dc-dc converter |
| 03/14/2013 | DE102011082554A1 Method for determination of earth leakage current in three-phase power supply network in e.g. house, involves determining fundamental oscillation component of earth leakage current by multiplication of portion of counter system with factor |
| 03/14/2013 | DE102011053415A1 Überspannungsschutzgerät Surge protection device |
| 03/13/2013 | EP2568587A1 Mains filter for a converter and converter with such a mains filter |
| 03/13/2013 | EP2568501A1 ESD protection device with reduced clamping voltage |
| 03/13/2013 | EP2568500A1 ESD protection device with reduced clamping voltage |
| 03/13/2013 | EP2567435A2 Overvoltage protection circuit for an integrated circuit |
| 03/13/2013 | EP2567434A1 Improved surge protection |
| 03/13/2013 | EP2567433A1 Variable speed drive |
| 03/13/2013 | CN202797978U Series capacitor protection device suitable for traction power substation |
| 03/13/2013 | CN202797977U Power electronic system combining voltage support with fault current limiting |
| 03/13/2013 | CN202797962U Automatic live-line-and-zero-line switching circuit |
| 03/13/2013 | CN202797961U Lightening protection device of grounding-free communication device with equipotential connection |
| 03/13/2013 | CN202797960U Lightening protection device of grounding-free broadband switch with equipotential connection |
| 03/13/2013 | CN202797959U Lightening protection device of grounding-free optical modem with equipotential connection |
| 03/13/2013 | CN202797958U Lightning-protection over-voltage protector |
| 03/13/2013 | CN202797957U Overvoltage protection circuit |
| 03/13/2013 | CN202797956U Overvoltage protection circuit |
| 03/13/2013 | CN202797955U Power transformer connected with safety device |
| 03/13/2013 | CN202797954U Power management unit (PMU) with lightning protection function |
| 03/13/2013 | CN202797953U Power management unit (PMU) with lightning stroke number detection function |
| 03/13/2013 | CN202797952U Overvoltage protection circuit |
| 03/13/2013 | CN202797951U Overvoltage protection circuit |
| 03/13/2013 | CN202797950U Voltage-controlled resettable fuse |
| 03/13/2013 | CN202797949U Three-phase fixed-value surge suppressor |
| 03/13/2013 | CN202797948U Signal lightning protection device for optimal protection |
| 03/13/2013 | CN202797947U Overvoltage protection circuit |
| 03/13/2013 | CN202797946U Overvoltage protection circuit |
| 03/13/2013 | CN202797945U Industrial control system signal circuit overvoltage protective device |
| 03/13/2013 | CN202797944U Surge protection device |
| 03/13/2013 | CN202797943U Secondary overvoltage protector of combined current transformer |
| 03/13/2013 | CN202797942U Secondary over-voltage protector of current transformer |
| 03/13/2013 | CN202797941U Voltage fluctuation and flickering suppressor for power supply system |
| 03/13/2013 | CN202797940U Multiport grounding box for base station coaxial cable belt protection device |
| 03/13/2013 | CN202797939U Line voltage change anti ferroresonance device |
| 03/13/2013 | CN202797938U Overvoltage protection circuit and TV set |
| 03/13/2013 | CN202797937U Two-in-one antenna lightning protection device |
| 03/13/2013 | CN202797936U Transient protection system of mobile communication base station based on thunder and lightning lead-in ports |
| 03/13/2013 | CN202797935U Lightning protection device structure for communication and device thereof |
| 03/13/2013 | CN202797934U Improved graphite type lightning arrester |
| 03/13/2013 | CN202797933U Novel intelligent electronic arrester |
| 03/13/2013 | CN202797932U Three-phase electronic lightning arrester with counter |
| 03/13/2013 | CN202797931U Power lightning arrester for overvoltage protection device |
| 03/13/2013 | CN202797930U Lightning protection system for overall mobile communication vehicle |
| 03/13/2013 | CN202797929U Electro-static discharge protective circuit, drive circuit and integrated circuit |
| 03/13/2013 | CN202797928U Overcurrent protection circuit |
| 03/13/2013 | CN202797927U Overeurrent protection circuit |
| 03/13/2013 | CN202797926U Current-limiting circuit |
| 03/13/2013 | CN202797925U Overcurrent protection circuit |
| 03/13/2013 | CN202797924U Video output short-circuit protection circuit |
| 03/13/2013 | CN202797923U Transformer iron core grounding current-limiting device |
| 03/13/2013 | CN202797922U Integrated circuit providing electro-static discharge protection and electro-static discharge protection system |
| 03/13/2013 | CN202797921U Novel energy-saving protective device |
| 03/13/2013 | CN202797892U High-voltage resistant talkback emergency power supply |
| 03/13/2013 | CN202797871U Lightning protection automatic reset power supply |
| 03/13/2013 | CN202797866U Power lightning arrester for over-current protection device |
| 03/13/2013 | CN202794405U Power supply management unit with lightning protection failure detection function |
| 03/13/2013 | CN102969706A POE (Power Over Ethernet) power supply and lightning protection system and method |
| 03/13/2013 | CN102969705A Fault current limiter |
| 03/13/2013 | CN102969704A Pre-charging circuit |
| 03/13/2013 | CN102969703A Input/output circuit with self electronic static discharge (ESD) protection function |
| 03/13/2013 | CN101977474B Drive circuit of light emitting diode (LED) constant current illuminating lamp with characteristics of soft start and shock resistance |
| 03/13/2013 | CN101908758B Electrostatic discharge protection circuit with merging trigger mechanism |
| 03/12/2013 | US8395876 Surge arrester with thermal overload protection |
| 03/12/2013 | US8395873 SSPC with dual fault detectors |
| 03/12/2013 | US8395872 Current driver circuit and method of operation therefor |
| 03/12/2013 | US8395870 Input/output circuit |
| 03/12/2013 | US8395869 ESD protection circuit with EOS immunity |
| 03/07/2013 | US20130057997 Potential Arc Fault Detection and Suppression |
| 03/07/2013 | US20130057994 Electronic device and board usable in the electronic device |
| 03/07/2013 | US20130057993 Semiconductor integrated circuit and protection circuit |
| 03/07/2013 | US20130057992 Esd protection circuit |
| 03/07/2013 | US20130057991 Silicon controlled rectifier structure with improved junction breakdown and leakage control |
| 03/07/2013 | US20130057989 Method for limiting the generator voltage of a photovoltaic installation in case of danger and photovoltaic installation |
| 03/07/2013 | DE102011112474A1 Verfahren und Anordnung zum Überspannungsschutz von Wechselrichtern für photovoltaische Anlagen Method and apparatus for overvoltage protection of inverters for photovoltaic systems |
| 03/06/2013 | EP2564482A1 Embedded protection against spurious electrical events |
| 03/06/2013 | EP2564220A1 Voltage clamping circuit and use thereof |
| 03/06/2013 | CN202772667U Power monitor terminal module |
| 03/06/2013 | CN202772666U Electric energy extracting device applying to network distribution |
| 03/06/2013 | CN202772571U Arc extinguishing coil tune controlling means |
| 03/06/2013 | CN202772570U Intelligent grounding fault integration protection system in voltage arc extinguishing method |
| 03/06/2013 | CN202772569U Two-level tuning type arc suppression coil |
| 03/06/2013 | CN202772568U Lightning protection module |
| 03/06/2013 | CN202772567U Global function airplane power supply characteristic protective device |
| 03/06/2013 | CN202772566U Radio frequency port circuit protector and PCB |
| 03/06/2013 | CN202772565U Network signal lightning arrester |
| 03/06/2013 | CN202772564U Lightning protection device for power supply |
| 03/06/2013 | CN202772563U Lightning protection device for power supply |
| 03/06/2013 | CN202772562U Network line protection device |