| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 07/31/2008 | US20080180870 Power switching circuit for liquid crystal display |
| 07/31/2008 | US20080180869 Electrostatic discharge protection circuit device |
| 07/31/2008 | US20080179945 System and Method for Dealing With Ground Fault Conditions That Can Arise In An Electrical Propulsion System |
| 07/31/2008 | DE102007004569A1 Battery, particularly for lithium-ion battery, has multiple cells, which are connected in series and multiple voltage limiting devices are made up of one or multiple cells |
| 07/31/2008 | DE102006034164B4 Mehrpoliger Blitzstrom- und/oder Überspannungsableiter in Reihenklemmausführung Multi-pole lightning current and / or surge arrester in terminal block design |
| 07/30/2008 | EP1949518A2 Apparatus and method for reducing leakage between an input terminal and a power rail |
| 07/30/2008 | CN201094174Y Power supply device eliminating electrical equipment electromagnetic radiation |
| 07/30/2008 | CN101233584A Circuit protection device |
| 07/30/2008 | CN101232308A Electric power elongation socket outlet using carrier transmission signal |
| 07/30/2008 | CN101232186A High frequency pulse filter with preposition protective circuit |
| 07/30/2008 | CN101232178A Magnetic control type paralleling reactor field excitation branch line overvoltage protecting method and device |
| 07/30/2008 | CN101230512A Surging-proof method for electronic jacquard machine |
| 07/30/2008 | CN100407538C 视频监控设备防雷器 Video surveillance equipment mine |
| 07/29/2008 | US7405916 Control apparatus of semiconductor switch |
| 07/29/2008 | US7405914 Electrostatic discharge protection circuit |
| 07/29/2008 | US7405913 Semiconductor device having transistor with high electro-static discharge capability and high noise capability |
| 07/29/2008 | US7405911 Circuit arrangement with a voltage link converter |
| 07/24/2008 | WO2007051178A3 Protective circuit |
| 07/24/2008 | US20080175045 Depletion-mode mosfet circuit and applications |
| 07/24/2008 | US20080174927 Esd protection scheme for semiconductor devices having dummy pads |
| 07/24/2008 | US20080174925 System and method for ESD protection |
| 07/24/2008 | US20080174924 Electrostatic discharge (esd) protection device |
| 07/24/2008 | US20080174923 ESD protection scheme for semiconductor devices having dummy pads |
| 07/24/2008 | DE112006002464T5 Gasgefüllter Überspannungsableiter, aktivierende Verbindung, Zündstreifen und Herstellungsverfahren dafür Gas-filled surge arrester, activating compound, Ignitor and manufacturing method thereof |
| 07/24/2008 | DE112005003686T5 Intelligente Stromüberwachungseinheit Intelligent Power Management |
| 07/23/2008 | EP1946422A2 Spark gap protection device |
| 07/23/2008 | EP1946058A2 Reduction of inrush current due to voltage sags |
| 07/23/2008 | CN101227779A Insulation type general use illumination LED driving circuit |
| 07/23/2008 | CN101227142A High pressure tolerance asymmetry switch |
| 07/23/2008 | CN101227089A Discriminating and protecting method and apparatus for eliminating single phase ground fault by neutral point non-useful earthing electric network |
| 07/23/2008 | CN101227088A Multi spot spark triggering surge protector |
| 07/23/2008 | CN101227087A PoE port and lightning protection device thereof |
| 07/23/2008 | CN100405729C Power supply with surge voltage control functions |
| 07/23/2008 | CN100405721C Switching type dc-dc converter |
| 07/23/2008 | CN100405687C Electric network deharmonic reactor |
| 07/23/2008 | CN100405686C Combined automatic tracing arc extinction compensation and line selecting device |
| 07/23/2008 | CN100405684C Arc discharge protector |
| 07/22/2008 | US7403365 Over-current detection circuit and method for power-supply device |
| 07/22/2008 | US7403363 Switching element and protection circuit using the same |
| 07/22/2008 | US7403362 Latch-up restistant ESD protection circuit and method thereof |
| 07/17/2008 | WO2008085166A1 System and method for providing electrostatic discharge (esd) protection and electromagnetic interference (emi) protection |
| 07/17/2008 | WO2008057978A3 Methods and apparatus for continuous ground fault self-test |
| 07/17/2008 | US20080170343 Active matrix device with electrostatic protection |
| 07/17/2008 | US20080170342 Multistage series circuit system |
| 07/17/2008 | US20080170340 Method and Device For an Overload Detection in Hand-Guided Power Tools |
| 07/17/2008 | DE102007015933A1 Überspannungsschutzeinrichtung für den Einsatz in Gleichstromnetzen, insbesondere für Photovoltaikanlagen Surge protection device for use in DC systems, in particular for photovoltaic systems |
| 07/17/2008 | DE102006060350A1 Circuit for limiting voltage, has limiting network with connection connected with component and another connection connected with supply unit |
| 07/17/2008 | DE102006024681B4 Anschlussleiste für die Telekommunikations- und Datentechnik Terminal block for telecommunications and data technology |
| 07/16/2008 | CN101222138A Anti-lightning device based on Ethernet network |
| 07/16/2008 | CN101222137A Decoupling device used for steel pipe protection project |
| 07/16/2008 | CN100403617C Protection method of multiplexer network interface and communication equipment with multiplexer network interface |
| 07/16/2008 | CN100403615C Method for suppressing power transformer excitation surge current and suppressor |
| 07/16/2008 | CN100403041C Automatic tuning and small current grounding failure wire selection system of master slave extinction coil |
| 07/15/2008 | US7400481 Low cost arc fault detection technique |
| 07/15/2008 | US7400480 Electrostatic discharge protection circuit |
| 07/15/2008 | US7400478 Arc detection circuit |
| 07/10/2008 | WO2008080667A1 Overvoltage protection device for use in direct-current power supply systems, in particular for photovoltaic systems |
| 07/10/2008 | US20080165465 Current Limiting Protection Circuit |
| 07/10/2008 | US20080165463 Thermal management method and device for powerline communications |
| 07/10/2008 | US20080165460 Data port transient protection apparatus and methods |
| 07/10/2008 | US20080165459 Pad ESD Spreading Technique |
| 07/10/2008 | US20080165458 Electrostatic protection device |
| 07/10/2008 | DE102007053089A1 Elektrisches und elektronisches System Electrical and electronic system |
| 07/09/2008 | EP1941592A1 Fault current limiters (fcl) with the cores saturated by superconducting coils |
| 07/09/2008 | CN101217235A An overvoltage damping device of interstice |
| 07/09/2008 | CN101217234A An electrostatic protection structure of high voltage drive integrated circuit |
| 07/09/2008 | CN100401610C Anti-explosion power source surge protector |
| 07/09/2008 | CN100401608C Ground fault interrupter |
| 07/09/2008 | CN100401512C Electrostatic discharge protection circuit by use of silicon controlled rectifier |
| 07/08/2008 | US7397642 ESD protection circuit |
| 07/08/2008 | US7397641 Apparatus and method for improved triggering and oscillation suppression of ESD clamping devices |
| 07/03/2008 | WO2008052225A3 Mapped nodes in a wire network providing power/communication & load identification |
| 07/03/2008 | US20080160681 Manufacture including shield structure |
| 07/03/2008 | US20080158758 Over-voltage protection arrangement |
| 07/03/2008 | US20080158757 Short circuit and over-voltage protection for a data bus |
| 07/03/2008 | US20080158756 Systems and methods for electrical leakage detection and compensation |
| 07/03/2008 | US20080158749 Electrostatic discharge protection circuit protecting thin gate insulation layers in a semiconductor device |
| 07/03/2008 | US20080158748 Electrical Overstress Protection |
| 07/03/2008 | US20080158747 Radiation tolerant electrostatic discharge protection networks |
| 07/03/2008 | US20080158746 Universal Energy Conditioning Interposer with Circuit Architecture |
| 07/03/2008 | US20080158745 Data transmission circuit with ESD protection and LCD thereof |
| 07/03/2008 | DE102007017858A1 Voltage protection arrangement for electronic device i.e. controller, has voltage detecting unit including switching output connected with output of voltage comparator for indication of impermissible voltage |
| 07/02/2008 | EP0992099B1 Method and device for suppressing over-voltages |
| 07/02/2008 | CN201081134Y Solar streetlight intelligent lighting strike prevention control device |
| 07/02/2008 | CN101213713A Method and arrangement for triggering a series spark gap |
| 07/02/2008 | CN101212138A Capacitance-adjustable automatic compensating arc extinguishing coil |
| 07/02/2008 | CN101212132A Voltage input circuit |
| 07/02/2008 | CN101211910A Device for protecting semiconductor ic |
| 07/02/2008 | CN101211909A ESD protection circuit |
| 07/02/2008 | CN100399665C Voltage source electrostatic discharge protective circuit |
| 07/01/2008 | US7394638 System and method for a whole-chip electrostatic discharge protection that is independent of relative supply rail voltages and supply sequencing |
| 07/01/2008 | US7394630 Electrostatic discharge protection device for mixed voltage interface |
| 07/01/2008 | US7394628 Method and apparatus for regulation of electrical power |
| 07/01/2008 | US7394264 Device for non-dissipative measurement of the current in an inductor |
| 06/26/2008 | WO2008077129A2 Active clamp protection device |
| 06/26/2008 | WO2008076169A1 Electrical interface system |
| 06/26/2008 | WO2008005915A3 System for improving illumination reliability in projection display systems |
| 06/26/2008 | US20080151459 Energy Conditioner With Tied Through Electrodes |
| 06/26/2008 | US20080151456 Automatic Detection of a CMOS Device in Latch-Up and Cycling of Power Thereto |
| 06/26/2008 | US20080151448 Load driver circuit and ignition device using the same |