| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 10/07/2009 | CN101552464A IGBT over-voltage protection method and over-voltage protection circuit adopting method |
| 10/07/2009 | CN101552463A Current protection device of preamplifier |
| 10/07/2009 | CN101552437A Wire splitting base |
| 10/07/2009 | CN100547873C Protection circuit for interface signal hot-plug |
| 10/06/2009 | US7599162 Overload protection control mechanism for a power supply |
| 10/06/2009 | US7599160 Electrostatic discharge protection circuits |
| 10/06/2009 | US7599159 Voltage-resistant MOS switch |
| 10/01/2009 | WO2009120114A1 High-voltage insulator and a high-voltage electric power line using said insulator |
| 10/01/2009 | US20090244797 Protection circuit |
| 10/01/2009 | US20090244796 Electrostatic discharge protection circuit including ovonic threshold switches |
| 10/01/2009 | US20090244795 Device for a remote monitoring the state of at least a single-pole surge protection |
| 10/01/2009 | US20090244794 Switching Circuit |
| 10/01/2009 | US20090243764 Gate-driver IC with HV-isolation, especially hybrid electric vehicle motor drive concept |
| 10/01/2009 | DE102008016589A1 Schutzvorrichtung Guard |
| 10/01/2009 | CA2719348A1 High-voltage insulator and high-voltage electric power line using said insulator |
| 09/30/2009 | EP1529328B1 Electrical network for surface and submarine vessels for example naval ships and for offshore units |
| 09/30/2009 | CN201319506Y Protective device for communication cable |
| 09/30/2009 | CN201319505Y Lightning protection device for base station side electrically-regulated antenna aperture |
| 09/30/2009 | CN201319504Y Module base of integral three-phase alternating-current supply surge protective device |
| 09/30/2009 | CN101546911A Multifunctional lightning protection module |
| 09/30/2009 | CN101546910A Surge protector |
| 09/30/2009 | CN101546909A Protective circuit, communication equipment and method for protecting device in communication equipment |
| 09/30/2009 | CN101546908A Saturated iron core type superconducting current limiter with direct current control system and method for controlling same |
| 09/30/2009 | CN101546907A Electrostatic protection circuit and active-element array substrate |
| 09/30/2009 | CN100546146C Harmony and arc elimination method of the neutral point non-valid grounding power grid and its integrated protection device |
| 09/30/2009 | CN100546145C Voltage surge protection device |
| 09/29/2009 | US7595969 Undervoltage warning method, undervoltage warning circuit and switching power supply |
| 09/24/2009 | WO2009116849A2 Electrical interface protecting apparatus |
| 09/24/2009 | US20090238232 Method of Protecting Semiconductor Chips from Mechanical and ESD Damage During Handling |
| 09/24/2009 | US20090237851 Semiconductor integrated circuit device having overcurrent limitation circuit |
| 09/24/2009 | US20090237849 Apparatus for preventing surge |
| 09/24/2009 | US20090237848 Electro-magnetic pulse protection circuit with a counter |
| 09/24/2009 | US20090237847 Stacked scr with high holding voltage |
| 09/24/2009 | US20090237846 Esd protection circuit and method thereof |
| 09/24/2009 | US20090236140 Wireless power receiver module |
| 09/23/2009 | EP2102941A1 System and method for providing electrostatic discharge (esd) protection and electromagnetic interference (emi) protection |
| 09/23/2009 | EP1642370B1 Protection circuit for an integrated circuit device |
| 09/23/2009 | CN201315485Y Interface chip protective circuit, connecting device and data equipment |
| 09/23/2009 | CN201315484Y Surge voltage suppressing circuit and air conditioner comprising same |
| 09/23/2009 | CN201315483Y Electric surge protector |
| 09/23/2009 | CN201315482Y Lightning arrester for lightning protection on coalmine electronic equipment and circuit |
| 09/23/2009 | CN201315481Y Integrated spark suppressor |
| 09/23/2009 | CN101540683A Interface circuit and communication equipment |
| 09/23/2009 | CN101540503A Esd protection circuit and method thereof |
| 09/23/2009 | CN101540502A Speed controller including a device for protection against overcurrents and overvoltages |
| 09/23/2009 | CN101540498A Method and device for controlling non-setting inrush current of high-voltage switch |
| 09/23/2009 | CN101539593A Intelligent central metal armouring withdrawing voltage sensing device |
| 09/23/2009 | CN100544154C Burst current control circuit |
| 09/22/2009 | US7593208 Multi-functional energy conditioner |
| 09/22/2009 | US7593207 Gas-insulated switchgear assembly or component of a gas-insulated switchgear assembly having an outdoor bushing |
| 09/22/2009 | US7593206 Lightening conductor |
| 09/22/2009 | US7593204 On-chip ESD protection circuit for radio frequency (RF) integrated circuits |
| 09/22/2009 | US7593202 Electrostatic discharge (ESD) protection circuit for multiple power domain integrated circuit |
| 09/17/2009 | US20090231772 Car charger and surge protection device thereof |
| 09/17/2009 | US20090231771 Magnetic Induction Grid as an Early Warning Mechanism for Space Based Microelectronics |
| 09/17/2009 | US20090231768 Protection circuit for a subscriber line interface circuit |
| 09/17/2009 | US20090231767 Electronic device with electricity leakage protection |
| 09/17/2009 | US20090231766 Eletrostatic discharge (esd) device and method of fabricating |
| 09/17/2009 | US20090231765 Transient to digital converters |
| 09/17/2009 | US20090230974 Traveling wave based relay protection |
| 09/17/2009 | US20090230292 Protection circuit and photoelectric conversion device |
| 09/17/2009 | DE19805373B4 Schaltungsanordnung für Netzteile Circuitry for power supplies |
| 09/17/2009 | DE102008013447A1 Surge arrester, has separating device integrated in electrical contact path of arresting element, where defect state variable of arrester is supplied to auxiliary module to pass high switching current or short-circuit current over module |
| 09/17/2009 | DE102007042991B4 Überspannungsschutzgerät mit im thermischen Überlastfall aktivierter mechanischer Abtrennvorrichtung Surge protection device with thermal overload in case of activated mechanical separation device |
| 09/16/2009 | CN201312122Y Underground orbit insulating link automatic arc extinguishing device |
| 09/16/2009 | CN201312121Y Measuring and controlling protection device for neutral point ground resistance |
| 09/16/2009 | CN201312120Y Switch-type surge protector |
| 09/16/2009 | CN201312119Y Side lead wire type surge protector |
| 09/16/2009 | CN201312118Y Dynamic voltage restorer with failure current limit function |
| 09/16/2009 | CN101536282A Internally overlapped conditioners |
| 09/16/2009 | CN101534007A Low-voltage distribution system surge protector |
| 09/16/2009 | CN101534006A Lightning isolation device and lightning isolation method |
| 09/16/2009 | CN101534005A Suppressing circuit of power-on impact current |
| 09/16/2009 | CN101533837A Electrostatic protection circuit |
| 09/16/2009 | CN101533830A Electrostatic discharge protecting device of high-voltage cushion |
| 09/16/2009 | CN100541948C Spark gap comprising an optically triggered power semiconductor component |
| 09/15/2009 | US7589945 Distributed electrostatic discharge protection circuit with varying clamp size |
| 09/15/2009 | US7589944 Electrostatic discharge protection structures for high speed technologies with mixed and ultra-low voltage supplies |
| 09/15/2009 | US7589941 Fault current limiter having superconducting bypass reactor for simultaneous quenching |
| 09/15/2009 | US7589940 Voltage boosting circuit and electricity-driven power steering device |
| 09/10/2009 | US20090225484 Current Limit Detector |
| 09/10/2009 | US20090225482 Protection circuit |
| 09/10/2009 | US20090225481 E-Fuse Used to Disable a Triggering Network |
| 09/10/2009 | US20090225478 Overcurrent protection apparatus and electronic apparatus |
| 09/10/2009 | US20090224821 Sub-Micron High Input Voltage Tolerant Input Output (I/O) Circuit |
| 09/10/2009 | DE102008049472A1 Overvoltage arrester is provided with stop device that is thermally triggered in motion path of conductor segment, between fusible point and conductive element |
| 09/09/2009 | EP1766747A4 Protection circuits for hybrid power systems |
| 09/09/2009 | EP1105969B9 Electronic circuits with wide dynamic range of on/off delay time |
| 09/09/2009 | CN201307769Y Surge protector with testing needle |
| 09/09/2009 | CN201307768Y Special lightning protection wave trapper for a power distribution transformer |
| 09/09/2009 | CN201307767Y Surge protector capable of avoiding misinsertion |
| 09/09/2009 | CN201307766Y Power lightning protection box |
| 09/09/2009 | CN101529685A Universal termination system for power tools |
| 09/09/2009 | CN101527559A Controllable metal oxide lightning arrester, thyristor valve switch and over-current limit method thereof |
| 09/09/2009 | CN101527451A Inductor and hollow air chamber integrated overvoltage protective device and application thereof |
| 09/09/2009 | CN101527413A Multifunctional power supply jack panel |
| 09/09/2009 | CN100539353C Select switching method for fast automatic ac-extincting coil grounding coil wiring system |
| 09/09/2009 | CN100539352C Silicon controlled rectifier electrostatic discharge protection device for power supply lines with powerdown mode of operation |
| 09/09/2009 | CN100539351C Circuit structure for restricting ringing current |
| 09/08/2009 | US7586728 Conditioner with coplanar conductors |