| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 07/05/2011 | US7974057 Inrush current limiter device and power factor control (PFC) circuit having an improved inrush current limiter device |
| 07/05/2011 | US7974056 Semiconductor device |
| 07/05/2011 | US7974055 Method for protecting circuits from damage due to currents and voltages during manufacture |
| 07/05/2011 | US7974054 Integrated circuit with electrostatic discharge protection circuit |
| 07/05/2011 | US7974053 ESD protection circuit for differential I/O pair |
| 07/05/2011 | US7974051 Integrated circuit device and electronic instrument |
| 07/05/2011 | US7974050 Loading reduction device and method |
| 07/05/2011 | US7974049 Over-current protection in linear regulators |
| 07/05/2011 | US7973670 Display device and method for inspecting the same |
| 07/05/2011 | US7973365 Integrated RF ESD protection for high frequency circuits |
| 07/04/2011 | CA2726379A1 Universal front/back post terminal block and test link |
| 06/30/2011 | US20110157932 Multi-resonance power supply with an integral quality factor |
| 06/30/2011 | US20110157754 Electrostatic discharge protection method and device for semiconductor device including an electrostatic discharge protection element providing a discharge path of a surge current |
| 06/30/2011 | US20110157752 Overcurrent detection circuit, inverter, compressor, and air-conditioning machine, and adjusting method for adjusting overcurrent detection circuit |
| 06/30/2011 | US20110157751 Apparatus and method for protecting overvoltage of high voltage inverter |
| 06/29/2011 | EP1166370B1 Superconductor composite wire for current limiters |
| 06/29/2011 | CN201887471U Neutral rod-rod gap device of transformer |
| 06/29/2011 | CN201887470U Overvoltage protector |
| 06/29/2011 | CN201887469U Over-voltage protection circuit for radio frequency power amplifier |
| 06/29/2011 | CN201887468U Device for limiting all overvoltage |
| 06/29/2011 | CN201887467U Automatic power converter |
| 06/29/2011 | CN201887466U Intelligent SPD with failure warning function |
| 06/29/2011 | CN201887465U Intelligent surge protector with line monitoring function |
| 06/29/2011 | CN201887464U Lightning protection circuit and cabinet |
| 06/29/2011 | CN201887463U Sensor protection unit control circuit |
| 06/29/2011 | CN201887462U Lightning protection system for long-distance slurry delivery pipe |
| 06/29/2011 | CN201887461U Protector module and communication module |
| 06/29/2011 | CN201887460U Iron core two-point grounding protection device of inductive transformer |
| 06/29/2011 | CN201887459U Combined type superconducting fault current-limit device with self-protection function |
| 06/29/2011 | CN201887458U Novel superconducting material based impedance combined type superconducting fault current limiter |
| 06/29/2011 | CN201887457U Three-terminal protecting element integrated by PTC thermistor and rectifying diodes |
| 06/29/2011 | CN201887456U Alternating-current double-terminal protecting element and protecting circuit |
| 06/29/2011 | CN201887455U Direct-current two-terminal protection element and circuit |
| 06/29/2011 | CN201887454U PTC (Positive Temperature Coefficient) thermistor type overload protection element |
| 06/29/2011 | CN201887453U Fault current limiter |
| 06/29/2011 | CN201887452U Signal lightning arrester |
| 06/29/2011 | CN201887451U High-voltage overcurrent protection circuit |
| 06/29/2011 | CN201887450U Current-limiting adjustable protector circuit for AC circuit |
| 06/29/2011 | CN201887449U Novel ESD (electronic static discharge) protective circuit |
| 06/29/2011 | CN201887448U Isolating safety barrier |
| 06/29/2011 | CN201887437U Two-point grounding protective device for iron core of resistance type transformer |
| 06/29/2011 | CN201887436U Neutral arrester rod-rod gap combined device of transformer |
| 06/29/2011 | CN201887434U Lightning protection transformer |
| 06/29/2011 | CN1937348B User side powergrid environmental-protection electricity-saving device |
| 06/29/2011 | CN102113199A Circuitry for power limiting of electronic assembly |
| 06/29/2011 | CN102111939A Novel high-voltage LED high-power factor protection driving circuit |
| 06/29/2011 | CN102110980A Lightning protection circuit |
| 06/29/2011 | CN102110979A DC blocking type low residual voltage gas tube lightning arrester |
| 06/29/2011 | CN102110970A Alternating current electronic fuse with reliable actions |
| 06/29/2011 | CN101453118B Distributed one control multiple automatic arc-suppression coil control apparatus |
| 06/29/2011 | CN101207958B Driving circuit and related driving method for providing feedback control and open-circuit protection |
| 06/28/2011 | US7969704 Snubber circuit |
| 06/28/2011 | US7969701 Fast react protection circuit for switched mode power amplifiers |
| 06/28/2011 | US7969699 ESD protection trigger circuit |
| 06/28/2011 | US7969698 Cascode active shunt gate oxide protect during electrostatic discharge event |
| 06/28/2011 | US7969697 Low-voltage CMOS space-efficient 15 KV ESD protection for common-mode high-voltage receivers |
| 06/28/2011 | US7969696 Ground fault detection and localization in an ungrounded or floating DC electrical system |
| 06/28/2011 | US7969695 Superconducting magnetic coil with a quench protection circuit, and MRT apparatus embodying same |
| 06/28/2011 | US7968906 Substrate-triggered bipolar junction transistor and ESD protection circuit |
| 06/28/2011 | US7968015 Light-emitting diode device for voltage switchable dielectric material having high aspect ratio particles |
| 06/28/2011 | US7968014 Device applications for voltage switchable dielectric material having high aspect ratio particles |
| 06/28/2011 | CA2461332C Wide input voltage range surge suppressor |
| 06/23/2011 | WO2011073540A1 Assembly for protecting against power surges |
| 06/23/2011 | US20110149452 Surface mount spark gap |
| 06/23/2011 | US20110149451 Electrostatic protection method and device for production line |
| 06/23/2011 | US20110149450 Control circuit having a delay-reduced inverter |
| 06/23/2011 | US20110149449 High-voltage-tolerant esd clamp circuit with low leakage current fabricated by low-voltage cmos process |
| 06/23/2011 | US20110149444 surge protection circuit |
| 06/23/2011 | US20110148362 Over-voltage protection circuit |
| 06/22/2011 | EP2335334A1 Low voltage electrostatic discharge protection |
| 06/22/2011 | CN201878400U Protection circuit for electronic start and control of high-intensity-gas mercury-free lamp |
| 06/22/2011 | CN201877875U Frequency and voltage increasing device special for wind-driven power generating and accumulating system |
| 06/22/2011 | CN201877829U System safety power saver |
| 06/22/2011 | CN201877823U Capacitor for direct-current circuit breaker |
| 06/22/2011 | CN201877822U Power supply protector |
| 06/22/2011 | CN201877821U Novel overvoltage protector of current mutual inductor |
| 06/22/2011 | CN201877820U Relay surge inhabiting circuit used on bottle washing machine controller |
| 06/22/2011 | CN201877819U Lightning surge protection mechanism of IT system |
| 06/22/2011 | CN201877818U Thunder surge protection mechanism of TT system |
| 06/22/2011 | CN201877817U Thunder surge protection mechanism of TN-C-S system |
| 06/22/2011 | CN201877816U Short-circuit fault protection circuit of power supply and distribution system |
| 06/22/2011 | CN201877815U Power supply protector |
| 06/22/2011 | CN201877811U Relay power circuit of electric energy meter |
| 06/22/2011 | CN201875538U Special lamp for gas station |
| 06/22/2011 | CN102106053A Input protection circuit |
| 06/22/2011 | CN102105950A Surge arrestor arrangement comprising an arrestor current path with a plurality of arrestor columns |
| 06/22/2011 | CN102104249A Lighting-arresting equipment |
| 06/22/2011 | CN102104248A Overvoltage protection circuit and method thereof |
| 06/22/2011 | CN102102450A Multifunctional service kiosk and community intelligent living service system using same |
| 06/22/2011 | CN101073188B Additional device in a current limiter for limiting current in the event of a fault |
| 06/21/2011 | US7965485 Circuit protection device for photovoltaic systems |
| 06/21/2011 | US7965484 Device for protecting a speed controller against overcurrent |
| 06/21/2011 | US7965481 High voltage tolerance circuit |
| 06/21/2011 | US7965480 Electrostatic discharge protection circuit |
| 06/21/2011 | US7965475 Overheat protection circuit |
| 06/21/2011 | US7964420 LED chip package structure with an embedded ESD function and method for manufacturing the same |
| 06/16/2011 | WO2011069866A1 Surge arrestor condition monitoring |
| 06/16/2011 | US20110141643 Electric System |
| 06/16/2011 | US20110141642 Electromagnetic Load Circuit Failure Diagnosis Device |
| 06/16/2011 | US20110141639 Integrated Circuit and Assembly Therewith |