| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 10/08/2013 | US8553381 Gradually reducing resistive clamp |
| 10/08/2013 | US8553380 Apparatus and method for electronic circuit protection |
| 10/08/2013 | US8553378 Switching circuit and DC-to-DC converter |
| 10/08/2013 | US8553377 Electronic control device |
| 10/08/2013 | US8553375 Intelligent soft start control to reduce electrostatic discharge clamp current spikes |
| 10/03/2013 | WO2013148535A1 Enhanced safety for electrical appliances such as toasters |
| 10/03/2013 | WO2013147070A1 Semiconductor device, method for controlling power supply for semiconductor device, and sensor node |
| 10/03/2013 | WO2013145403A1 Electric-field-coupled wireless electric power transmission system, and power receiving device using same |
| 10/03/2013 | WO2013142919A1 A fault current limiter |
| 10/03/2013 | US20130258540 Overcurrent protection circuit and power supply device |
| 10/03/2013 | US20130258534 Low voltage esd clamping using high voltage devices |
| 10/03/2013 | US20130258533 Electrostatic discharge protection circuit having high allowable power-up slew rate |
| 10/03/2013 | US20130257543 Power amplifier protection circuit, communication device, and method |
| 10/02/2013 | EP2645513A1 Lightning protection radio remote unit, distributed base station and lightning protection system and method thereof |
| 10/02/2013 | CN203225518U Splitter circuit having functions of filtering and lightning protection |
| 10/02/2013 | CN203225517U Splitter circuit having anti-thunder function |
| 10/02/2013 | CN203225290U Battery pack |
| 10/02/2013 | CN203225000U Communication circuit of power system |
| 10/02/2013 | CN103337850A High-voltage DC gas breaker with wide current range |
| 10/02/2013 | CN103337848A Anti-thunder overvoltage protection component |
| 10/02/2013 | CN103337847A Surge protective circuit for starting of wireless equipment |
| 10/02/2013 | CN103337846A Peripheral application circuit |
| 10/02/2013 | CN103337845A Method for solving B phase grounding TV secondary switch trip caused by breaker operation interference |
| 10/02/2013 | CN103337844A Lightning-protection circuit for port of wireless terminal |
| 10/02/2013 | CN103337843A Charger with functions of surge protection and reverse connection warning |
| 10/02/2013 | CN103337842A Analog output circuit for vehicle |
| 10/02/2013 | CN103337841A Bidirectional current limiter based on bidirectional BUCK converter and bidirectional current limiting method thereof |
| 10/02/2013 | CN103337840A Control method of large AC-DC interconnected power grid short-circuit current limiter electromechanical transient model |
| 10/02/2013 | CN103337839A PLC opto-isolator driving circuit and resistance loop device of MOS gate |
| 10/02/2013 | CN103336546A Low-voltage difference voltage stabilizing circuit with current-limiting protection function under double high power supply voltage input |
| 10/02/2013 | CN102176807B Self-protective variable frequency modulation ICP (Inductively Coupled Plasma) ballast |
| 10/02/2013 | CN101872957B Leakage current detection protection circuit |
| 10/01/2013 | US8547714 Output inverter for single phase and output current detecting method thereof |
| 10/01/2013 | US8547677 Method for making internally overlapped conditioners |
| 10/01/2013 | US8547675 Solid state power controller with lightning protection |
| 10/01/2013 | US8547674 Hardware overvoltage disconnecting circuit |
| 10/01/2013 | US8547670 Integrated circuit |
| 10/01/2013 | US8547669 Arc fault mitigation for photovoltaic systems |
| 10/01/2013 | US8547079 Voltage regulator capable of enabling overcurrent protection in a state in which an output current is large |
| 09/30/2013 | CA2810063A1 Method and system for lightning protection with distributed transient voltage suppression |
| 09/26/2013 | WO2013141429A1 Device for protecting against a lightning surge for direct current power supply |
| 09/26/2013 | WO2013140874A1 Power conversion device |
| 09/26/2013 | WO2013139382A1 Current control apparatus |
| 09/26/2013 | US20130250468 Electronic device |
| 09/26/2013 | US20130250467 Electrical component of a current limiter for protecting an electrical power supply |
| 09/26/2013 | US20130250462 ESD protection circuit and ESD protection device thereof |
| 09/26/2013 | US20130250461 Selective Current Pumping to Enhance Low-Voltage ESD Clamping Using High Voltage Devices |
| 09/26/2013 | US20130250460 Electrical or Electronic Safety Circuit |
| 09/26/2013 | US20130250458 Leveraging inherent redundancy in a multifunction ied |
| 09/26/2013 | DE102013103082A1 Niederspannungs-ESD-Begrenzung unter Verwendung von Hochspannungsbauelementen Low-voltage ESD limitation using high voltage components |
| 09/25/2013 | CN203218878U Intelligent grounding line selection and fault management system for power distribution network |
| 09/25/2013 | CN203218877U Active power filter DC side overvoltage protection circuit |
| 09/25/2013 | CN203218876U 一种正负浪涌防护电路 One kind of positive and negative surge protection circuit |
| 09/25/2013 | CN203218875U Energy storage circuit with undervoltage surge protection |
| 09/25/2013 | CN203218874U Rack-mounted intelligent power supply lightning protection cabinet |
| 09/25/2013 | CN203218873U Novel surge protector |
| 09/25/2013 | CN203218653U Anti-surge power strip having USB charging function |
| 09/25/2013 | CN1625142B Communication bus suitable for use in a hazardous area of a process plant |
| 09/25/2013 | CN103326787A Vehicle-mounted optical transmitter |
| 09/25/2013 | CN103326785A Vehicle-mounted optical transmitter and receiver |
| 09/25/2013 | CN103326346A Base station lightning protection device |
| 09/25/2013 | CN103326345A Direct-current overvoltage protection circuit |
| 09/25/2013 | CN103326344A Overvoltage limiting circuit |
| 09/25/2013 | CN103326343A Method for restraining vacuum circuit breaker current interception based on waveform analysis |
| 09/25/2013 | CN103326342A Open circuit prevention device of current transformer |
| 09/25/2013 | CN103326341A Electricity utilization protector |
| 09/25/2013 | CN103326340A Laser head diode protection circuit and protection method |
| 09/25/2013 | CN103326339A Method for reducing influence of saturated-core-type superconductivity current limiter on high-voltage network relay protection |
| 09/25/2013 | CN103326338A Anti-interference protective circuit |
| 09/25/2013 | CN103326337A Safe and reliable current transformer protection device |
| 09/25/2013 | CN103325782A Electrostatic discharge clip using vertical NPN transistor |
| 09/25/2013 | CN102231518B Surging suppression circuit |
| 09/25/2013 | CN102088016B Semiconductor voltage-stabilizing and rectifying integrated device |
| 09/25/2013 | CN101977465B Wind-light complementary streetlight system of off-grid type |
| 09/25/2013 | CN101944729B Surge protector with detection device |
| 09/24/2013 | US8542470 Circuit configurations to reduce snapback of a transient voltage suppressor |
| 09/19/2013 | US20130242447 Method and Apparatus To Detect A Broken Wire Condition in an Integrated Circuit |
| 09/19/2013 | US20130242437 Buck circuit |
| 09/19/2013 | US20130241604 Power module including leakage current protection circuit |
| 09/19/2013 | US20130240917 Semiconductor package having a conductive layer for electrostatic discharge and display device including the same |
| 09/18/2013 | EP2639949A1 Electricity supply with intermediate circuit |
| 09/18/2013 | EP2639916A2 Circuit arrangement for power converter with intermediate circuit, and method for operating a power converter |
| 09/18/2013 | EP2639915A2 Over voltage protection circuit and driver circuit using the same |
| 09/18/2013 | EP2638615A2 Method and circuit arrangement for charging an intermediate circuit capacitor |
| 09/18/2013 | CN203206258U Protective circuit for POE (Power over Ethernet) equipment |
| 09/18/2013 | CN203206206U Network signal coupling and lightning protection circuit |
| 09/18/2013 | CN203205870U Single phase grounding protection switch cabinet |
| 09/18/2013 | CN203205869U Power supply signal co-cable transmission type lightning protection device |
| 09/18/2013 | CN203205868U Indoor AC high-voltage combined-type overvoltage protector |
| 09/18/2013 | CN203205867U Intermediate loop discharging circuit used for AC transmission locomotive main circuit |
| 09/18/2013 | CN203205866U Antistatic circuit for mobile phone interface |
| 09/18/2013 | CN203205865U Keyboard having electrostatic protection function |
| 09/18/2013 | CN203205864U Lightning protector for set top boxes |
| 09/18/2013 | CN203205863U Lightning protection circuit applicable to high-pressure environment |
| 09/18/2013 | CN203205862U Lightning protection circuit for television |
| 09/18/2013 | CN203205861U MP3 player having electrostatic protection function |
| 09/18/2013 | CN203205860U Discharge blocking device for capacitor bank of flame-proof type frequency conversion box |
| 09/18/2013 | CN203205859U 短路跟踪器 Short circuit Tracker |
| 09/18/2013 | CN203205858U Surge protection device for realizing active energy cooperation |
| 09/18/2013 | CN203205857U Lightning protection module and lightning protection device |