Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
08/2007
08/29/2007CN200941555Y Combined power source surge protector
08/29/2007CN200941554Y Full non-locking security unit
08/29/2007CN200941370Y Surge protector
08/29/2007CN101027823A Electrical circuit with incendive arc prevention means
08/29/2007CN101026300A 电阻输出电路 Resistance output circuit
08/29/2007CN101026299A Current limiter
08/29/2007CN100334786C A power electronic type short-circuit fault current limiter
08/28/2007US7262949 Electrode arrangement for circuit energy conditioning
08/28/2007US7262948 Power switch with simple overload protection
08/28/2007US7262944 Receptacle
08/28/2007US7262605 Power supply apparatus
08/23/2007WO2007093217A1 An overvoltage protector circuit and a detector circuit for supervising such a protector circuit
08/23/2007WO2006088543A3 I/o cell esd system
08/23/2007US20070195474 System and method for protecting transient-suppressing elements against over-voltage conditions
08/23/2007US20070195473 Printed circuit board
08/23/2007US20070195472 Electrostatic discharge protection circuit protecting thin gate insulation layers in a semiconductor device
08/23/2007US20070195471 Voltage clamp
08/23/2007US20070194816 Switching arrangement for interconnecting electrolytic capacitors
08/22/2007EP1356524B1 Esd protection devices
08/22/2007CN2938632Y Anti-thunderstrike camera
08/22/2007CN1333465C Semiconductor device
08/22/2007CN1333322C Protection system
08/22/2007CN101022217A Fault current limiter DC control system
08/21/2007US7259953 Method and apparatus for modular embedded control system
08/21/2007US7259952 Process control instrument intrinsic safety barrier
08/21/2007US7259949 Method and system for ESD protection of balanced circuit board lines
08/16/2007US20070188963 Varistor and light-emitting apparatus
08/16/2007US20070188962 Surge protector life cycle monitor system and method
08/16/2007US20070188959 Electronic element adapted to an electric circuit arrangement
08/16/2007US20070188958 Over-current detection circuit and method for power-supply device
08/16/2007US20070188953 Latch-up restistant esd protection circuit and method thereof
08/16/2007US20070188952 On-chip latch-up protection circuit
08/16/2007US20070188951 Optoelectronic device ESD protection
08/16/2007US20070188950 Protection device for non-common ground buses
08/16/2007DE102006006558A1 Schaltungsanordnung zur Bereitstellung einer Betriebs-Gleichspannung Circuit arrangement for providing a DC operating voltage
08/15/2007EP1817838A2 Device and method for charging an electrical energy accumulator device
08/15/2007EP1817829A2 Wiring diagram for watt and blind current component compensation in the earth fault point and phase-to-ground voltage equalization under failure-free network condition
08/15/2007EP1817828A1 Additional device in a current limiter for limiting current in the event of a fault
08/15/2007EP1817827A2 Electrostatic discharge protection power rail clamp with feedback-enhanced triggering and conditioning circuitry
08/15/2007EP1080458B1 Fault condition protective device for aircraft fuel gauging systems
08/15/2007CN2935582Y DC converter protection circuit of electric cooker
08/15/2007CN2935581Y Receiver arrester for the Big Dipper user
08/15/2007CN2935580Y Compound overvoltage protection device
08/15/2007CN2935579Y Self-heat radiation circuit structure
08/15/2007CN2935576Y Lightning stroke protector for earth-free power source
08/15/2007CN101019292A Electrostatic discharge protection structures for high speed technologies with mixed and ultra-low voltage supplies
08/15/2007CN101018369A 基站系统 Base station system
08/15/2007CN101017975A Connection circuit of base station power arrester
08/14/2007US7256977 Device for protection from thunder
08/14/2007US7256976 Electrostatic discharge protective circuit and semiconductor integrated circuit using the same
08/14/2007US7256975 ESD protection circuit and method
08/09/2007WO2007088932A1 Surge absorbing circuit
08/09/2007WO2007088387A1 Electrical circuit with incendive arc prevention
08/09/2007WO2006052667A3 Driver circuit and method with reduced di/dt and having delay compensation
08/09/2007US20070183113 Surge detection circuit
08/09/2007US20070183112 Spark gap arrestor
08/09/2007US20070183106 Multi-Stack Power Supply Clamp Circuitry for Electrostatic Discharge Protection
08/09/2007US20070183105 Electrostatic discharge protection circuit
08/09/2007US20070183104 ESD protection device and integrated circuit utilizing the same
08/09/2007CA2637819A1 Electrical circuit with incendive arc prevention
08/08/2007EP1816902A2 Radiation source for a sensor arrangement with making current limitation
08/08/2007EP1815573A2 Integrated transient blocking unit compatible with very high voltages
08/08/2007EP1016095B1 Fault current limiting superconducting coil
08/08/2007CN2932795Y 限流器 Current Limiter
08/08/2007CN2932794Y A switching power supply capable of protection against power failure of tax cashing machine
08/08/2007CN1331291C System for overvoltage protection
08/08/2007CN101014160A Multi-core coaxial feeder feed combined arrester used for TD-SCDMA base station
08/08/2007CN101013813A Arc-extinguishing method for neutral ineffectively grounded power system and intelligentized comprehensive protector
08/07/2007US7254003 Differential nulling avalanche (DNA) clamp circuit and method of use
08/07/2007US7254000 Over voltage protection scheme for synchronous buck converter
08/07/2007US7253999 On-chip latch-up protection circuit
08/07/2007US7253640 Arc fault detector and method for locating an arc fault
08/02/2007WO2007087571A1 Flameproof apparatus using non-grounded energy-limiting barrier
08/02/2007US20070177318 Electronic shunt resistor assembly
08/02/2007US20070177317 ESD protection circuit
08/02/2007CA2637954A1 Flameproof apparatus using non-grounded energy-limiting barrier
08/01/2007EP1490972B1 Optoelectronic receiver circuit for digital communication
08/01/2007EP1221023B1 Intrinsically safe signal conditioner for a coriolis flowmeter
08/01/2007CN2930049Y Directly connecting surge protector
08/01/2007CN2930048Y High voltage shock protector and video device using it
08/01/2007CN2930043Y Overload type intelligent circulation electricity limiter
08/01/2007CN2930008Y Extention line device with safety protection
08/01/2007CN1330217C Electronic apparatus with metal part containing cabinet
08/01/2007CN101010863A Voltage regulator with over-voltage protection
08/01/2007CN101009429A Harmony and arc elimination method of the neutral point non-valid grounding power grid and its integrated protection device
07/2007
07/31/2007US7251114 Overvoltage protecting circuit in a steady state
07/26/2007US20070171589 Zapping Circuit
07/26/2007US20070171588 Protection circuit and operating method thereof
07/26/2007US20070171587 Esd protection circuit with feedback technique
07/25/2007EP1440230B1 Device for protecting an electronic circuit
07/25/2007CN2927446Y Electricity saver with surge protection
07/25/2007CN2927440Y Sudden-wave absorbing grounding system
07/25/2007CN2927391Y Protection connecting wire against overcurrent
07/25/2007CN101006631A Line filter
07/25/2007CN101005204A System and method of operating double fed induction generators
07/25/2007CN101004959A Current limiting method for high temperature super conductive cable and its structure, application and connecting mode
07/24/2007US7248455 Method and apparatus for providing compressive connection with electrostatic discharge dissipative properties
07/24/2007US7248453 Circuit and method for controlling current flow through a solenoid
07/24/2007US7248452 Method of protecting semiconductor device and protection apparatus for semiconductor device using the same
07/24/2007US7247543 Decoupling capacitor