| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
|---|
| 04/07/2011 | US20110080683 Rf coaxial surge protectors with non-linear protection devices |
| 04/07/2011 | US20110080679 Protecting apparatus |
| 04/07/2011 | US20110080678 Esd protection circuit for a switching power converter |
| 04/07/2011 | DE202011002019U1 Anordnung zum Öffnen einer Leitungsverbindung Arrangement for opening a line connection |
| 04/07/2011 | DE102010036703A1 Einschaltstoßstrombegrenzer für einen LED-Treiber Einschaltstoßstrombegrenzer for an LED driver |
| 04/07/2011 | DE102009041724A1 Electronic switching arrangement for limitation of start-up current for electronic ballast of electrical lamp load, has MOSFETs switched such that current flowing over outlet line is limited to one point of switch-on time in preset manner |
| 04/07/2011 | DE102004027367B4 Verfahren zum Übertragen von Leitungssignalen über eine Leitungseinrichtung und Übertragungsvorrichtung A method for transmitting signals via a cable conduit means and transfer device |
| 04/07/2011 | CA2776010A1 Protection device for radiocommunications apparatuses |
| 04/06/2011 | EP2306608A2 Two-level lightning protection circuit |
| 04/06/2011 | CN201789428U High-efficiency three-phase four-wire switching power supply for zero line judgement |
| 04/06/2011 | CN201789337U Phase-selecting switch-on and switch-off controller |
| 04/06/2011 | CN201789300U Three-phase system voltage-stabilization energy saver |
| 04/06/2011 | CN201789288U Composite lightning arrester |
| 04/06/2011 | CN201789287U Combined type resistance-capacitance protector |
| 04/06/2011 | CN201789286U Improved voltage stabilizing circuit used for portable tire fixer of automobile |
| 04/06/2011 | CN201789285U Lightning protection device with earthing network pulse interference isolation technology |
| 04/06/2011 | CN201789284U Interphase overvoltage protector of indirect grounding system |
| 04/06/2011 | CN201789283U Base integrated three-phase power surge protector module |
| 04/06/2011 | CN201789282U Battery charge/discharge protection circuit |
| 04/06/2011 | CN201789281U Protective circuit for pointer type ammeters and voltmeters |
| 04/06/2011 | CN201789280U Overcurrent protection unit installed on main distribution frame of communication room |
| 04/06/2011 | CN201788389U Lightning protection monitoring system with lightning and surge protector for telecom base station |
| 04/06/2011 | CN102007660A Current limiting surge protection device |
| 04/06/2011 | CN102006714A Electrostatic protection structure-containing circuit board |
| 04/06/2011 | CN102006713A Circuit board with static protection structure |
| 04/06/2011 | CN102006704A Light-emitting diode (LED) drive control circuit and lighting device |
| 04/06/2011 | CN102005806A Direct current power supply device |
| 04/06/2011 | CN102005754A Double-layer metal gap-type surge protection method and surge protector |
| 04/06/2011 | CN102005753A Peak overvoltage eliminator |
| 04/06/2011 | CN102005752A Surge absorption device |
| 04/06/2011 | CN102005751A Safe high-efficiency high-voltage power supply method for server |
| 04/06/2011 | CN102005750A Composite superconductive fault current-limiting device with self-protection function |
| 04/06/2011 | CN102005749A Current limiting device with flexible switch characteristic and current limiting method |
| 04/06/2011 | CN102005748A Isolation type positive-negative output constant current protective device |
| 04/06/2011 | CN102005747A Drainage device and drainage method |
| 04/06/2011 | CN102003474A Electromagnetic coupling device |
| 04/05/2011 | US7920367 Method for making arrangement for energy conditioning |
| 04/05/2011 | US7920366 ESD configuration for low parasitic capacitance I/O |
| 04/05/2011 | US7920364 Power supply with adjustable outputted voltage |
| 03/31/2011 | WO2011038260A2 Surge protection device with improved response time |
| 03/31/2011 | WO2011038258A2 Surge protection device for isolating premise devices |
| 03/31/2011 | WO2011037565A1 Providing in rush current tolerance to an electronic device |
| 03/31/2011 | WO2011036287A1 Short-circuiting device |
| 03/31/2011 | US20110075312 Surge protection device with improved response time |
| 03/31/2011 | US20110075307 Overcurrent protection circuit and in-vehicle display device |
| 03/31/2011 | US20110075306 Local integration of non-linear sheet i integrated circuit packages for esd/eos protection |
| 03/31/2011 | US20110075305 Two-level lightning protection circuit |
| 03/31/2011 | DE102009045132A1 Vorrichtung zum Schalten eines Verbrauchers Apparatus for switching loads |
| 03/31/2011 | DE102009043596A1 Messwandler mit einem elektrischen Wandler Transducer with an electrical converter |
| 03/31/2011 | DE102009043229A1 Vorrichtung zum Kurzschließen Device for short-circuiting |
| 03/30/2011 | EP2301046A1 Surge arrestor arrangement comprising an arrestor current path with a plurality of arrestor columns |
| 03/30/2011 | CN201781665U LED lamp tube protective circuit structure |
| 03/30/2011 | CN201781495U Lightening-protective type Ethernet optical fiber transceiver |
| 03/30/2011 | CN201781276U Ground capacitor integrating conductor and end cover |
| 03/30/2011 | CN201781275U Communication base station lightning-protection power supply system with lightning surge protectors |
| 03/30/2011 | CN201781274U Mobile terminal and electrostatic protection circuit thereof |
| 03/30/2011 | CN201781273U Lightning protection device for power distribution cabinet and frequency conversion cabinet |
| 03/30/2011 | CN1643759B A protection device |
| 03/30/2011 | CN101999038A Wind turbine blade, wind turbine and method for manufacturing a wind turbine blade |
| 03/30/2011 | CN101998764A Matrix MOV circuit board structure and manufacturing method thereof |
| 03/30/2011 | CN101997311A Electrostatic discharge protection circuit, control method therefor, and switching regulator using same |
| 03/30/2011 | CN101997310A Surge protection circuit and flyback power factor correction device |
| 03/30/2011 | CN101997309A Plastic die structure for combination of MOV, thermal link and resistor |
| 03/30/2011 | CN101997308A Low-capacitance overvoltage protection module |
| 03/30/2011 | CN101997307A ESD protection device in CMOS integrated circuit |
| 03/30/2011 | CN101997306A Voltage balancer between current limiting units of matrix resistor type superconducting current limiter |
| 03/30/2011 | CN101997305A Reverse voltage protection circuit and power tube device |
| 03/30/2011 | CN101997304A Electrostatic protection circuit |
| 03/30/2011 | CN101232186B High frequency pulse filter with preposition protective circuit |
| 03/29/2011 | US7916444 Arrangement for energy conditioning |
| 03/29/2011 | US7916440 Power interface circuit and electronic device using the same |
| 03/29/2011 | US7916438 Residual current device |
| 03/29/2011 | US7915571 On demand circuit function execution employing optical sensing |
| 03/24/2011 | US20110069422 Circuit for preventing inrush current |
| 03/24/2011 | US20110069421 method and apparatus for providing differential protection for an electrical link in a medium, high, or very high voltage network |
| 03/24/2011 | US20110069419 Electrostatic discharge protection circuit and electronic device using the same |
| 03/24/2011 | US20110069418 Passive quench protection circuit for superconducting magnets |
| 03/23/2011 | EP2297831A1 A protecting apparatus |
| 03/23/2011 | EP1618640B1 Method and apparatus for electrical power transfer |
| 03/23/2011 | CN201774717U SCR resonance half-bridge based LED streetlamp drive power circuit |
| 03/23/2011 | CN201774465U Lightning protection power supply module for driving LED (light-emitting diode) and LED driving circuit |
| 03/23/2011 | CN201774311U Electric system communication control circuit |
| 03/23/2011 | CN201774250U Moisture-proof high-sealing surge protection device |
| 03/23/2011 | CN201774249U Lightning protection device for helicopter L-shaped airspeed tube electric heating deicing system |
| 03/23/2011 | CN201774248U Universal lightning protection device |
| 03/23/2011 | CN201774247U Overvoltage protection circuit of AC fan |
| 03/23/2011 | CN201774246U Network connection common mode signal protection circuit |
| 03/23/2011 | CN201774245U PFC overcurrent protecting circuit |
| 03/23/2011 | CN201774230U Transformer neutral point over-voltage protection device |
| 03/23/2011 | CN201774219U Protective circuit of single-phase energy meter |
| 03/23/2011 | CN1988283B Power socket based on electricity measuring to control switch |
| 03/23/2011 | CN1542873B Static countermeasure parts |
| 03/23/2011 | CN101990730A Multiple-channel active sensing and switching device |
| 03/23/2011 | CN101990344A Inrush current limiter for an LED driver |
| 03/23/2011 | CN101989742A No-load protection circuit for capacitor step-down |
| 03/23/2011 | CN101989741A Signal surge protective device |
| 03/23/2011 | CN101989740A Analogue interface protecting circuit |
| 03/23/2011 | CN101989739A Protective circuit |
| 03/23/2011 | CN101588059B Lightning protection-grounding integrated protection system |
| 03/23/2011 | CN101521484B Flameproof four-quadrant variable frequency speed governor |