Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
09/2010
09/02/2010US20100220423 Lightning arrestor
09/02/2010US20100220421 Short circuit current ratcheting in switch mode dc/dc voltage regulators
09/02/2010US20100220419 Esd protection circuit
09/02/2010DE102008060793B4 Schaltungsanordnung zum Schalten einer oder mehrerer induktiver Lasten Circuitry for switching one or more inductive loads
09/01/2010EP2223417A1 Method for operating a dc-dc converter
09/01/2010CN201571251U Grounding mechanism with multi-axial grounding component and computer system
09/01/2010CN201571249U Intelligent numerical control energy-saving dimming electronic ballast
09/01/2010CN201571005U Control circuit of electric automobile motor
09/01/2010CN201570978U Mine intrinsic safety type uninterruptible power supply
09/01/2010CN201570859U Protection circuit with decoupling function and cable core wire between protection circuits
09/01/2010CN201570858U Generator lightning protection device
09/01/2010CN201569930U Non-contact compensating type digitally-controlled AC voltage stabilizer
09/01/2010CN101820710A Open-circuit protection circuit
09/01/2010CN101820226A Flameproof and intrinsically safe power supply with human-computer interaction function
09/01/2010CN101820170A Device and method for cutting off short-circuit current
09/01/2010CN101820169A Electrostatic discharge protection circuit
08/2010
08/31/2010US7787226 Electrostatic protective circuit and semiconductor device
08/31/2010US7787225 Semiconductor apparatus using back-side high-withstand-voltage integrated circuit
08/31/2010US7787224 Protection circuit for an integrated circuit device
08/26/2010WO2010096375A2 Radio frequency (rf) power limiter and associated methods
08/26/2010WO2009102398A8 Transient blocking unit using normally-off device to detect current trip threshold
08/26/2010WO2007018613A3 Apparatus for downhole power supply with shunt regulation
08/26/2010US20100214710 Semiconductor device measuring voltage applied to semiconductor switch element
08/26/2010US20100214709 Methods and systems relating to overcurrent circuit protection
08/26/2010US20100214706 Voltage surge protection circuit
08/26/2010US20100214705 Electrostatic discharge protection element and electrostatic discharge protection circuit including the same
08/26/2010CA2752731A1 Radio frequency (rf) power limiter and associated methods
08/25/2010EP2220752A1 Voltage step-up circuit
08/25/2010CN201563268U Drive circuit for OLED lamp
08/25/2010CN201563174U Video monitoring front-end control box
08/25/2010CN201563058U Direct-current voltage-stabilizing supply unit
08/25/2010CN201562964U Lightning protection feed between tower amplifier and base
08/25/2010CN201562963U Novel communication lightning-protective connector
08/25/2010CN201562962U Sensor protective circuit
08/25/2010CN201562961U AC generator neutral point integrated cabinet
08/25/2010CN201562960U Surge protection device of instrument
08/25/2010CN201562959U Vehicle switch input voltage limiting protection circuit
08/25/2010CN201562958U Protection circuit capable of suppressing strong electromagnetic pulse interference
08/25/2010CN201562957U Energy-saving outdoor current limiter of electrical network
08/25/2010CN201562956U Static protective circuit and integrative circuit
08/25/2010CN201562955U Small-current system grounding protection device with automatic reset function
08/25/2010CN201562950U Leakage protection device of electric water heater
08/25/2010CN1897778B Two-terminal protecting circuit
08/25/2010CN101816109A Power dampener for a fault current limiter
08/24/2010US7782587 Internally overlapped conditioners
08/24/2010US7782583 Electrostatic discharge protection device having low junction capacitance and operational voltage
08/24/2010US7782582 High voltage tolerant electrostatic discharge protection circuit
08/24/2010US7782580 Stacked power clamp having a BigFET gate pull-up circuit
08/24/2010US7782579 Semiconductor integrated circuit
08/19/2010US20100208405 Semiconductor ESD Device and Method of Making Same
08/19/2010US20100208402 Current transformer type power controller
08/19/2010US20100208400 Pad interface circuit and method of improving reliability of the pad interface circuit
08/19/2010US20100208399 Electrostatic discharge protection circuit
08/19/2010US20100208398 Electrostatic discharge protection circuit and intefrated circuit utilizing the same
08/19/2010US20100208397 Switched safety protection circuit for an aimd system during exposure to high power electromagnetic fields
08/19/2010US20100208395 Surge current protection circuit and motor using the same
08/19/2010DE102009007969A1 Kurzschluss-Schutzvorrichtung und Schaltanlage mit derartigen Schutzvorrichtungen Short-circuit protection device and switchgear with such protective devices
08/18/2010CN201556975U Standby automatic power-off device with intelligence, safety and energy conservation
08/18/2010CN201556940U RS-232 port protection circuit
08/18/2010CN201556939U Grounding resistance device of neutral point of AC generator
08/18/2010CN201556938U Grounding protection device of neutral point of AC generator
08/18/2010CN201556937U Network lightning protection device
08/18/2010CN201556936U Surge protection device of video multifunctional combination
08/18/2010CN201556935U Automatic control aftercurrent protector
08/18/2010CN201556934U Permanent-magnetic alternating-current reactor-type current limiter
08/18/2010CN201556933U Anti-static discharge protection circuit for mobile phone
08/18/2010CN201556925U Intelligent photovoltaic lightningproof header box
08/18/2010CN201555920U Input voltage detection device for high-low voltage switch cabinets and box-type substations
08/18/2010CN1968563B Lightning prevention device
08/18/2010CN1732610B Device and method for CPU surge reduction and protection
08/18/2010CN101268597B Active inrush current control using a relay for AC to DC converters
08/17/2010US7778003 Overvoltage protection module and an assembly of at least one telecommunications module and at least one overvoltage protection module
08/17/2010US7778001 Integrated circuit protected against short circuits and operating errors following the passage on an ionizing radiation
08/17/2010US7778000 Measure for increasing the short-circuit resistance of a device by introducing parallel current paths
08/17/2010US7777999 Electrostatic discharge (ESD) protection device
08/17/2010US7777998 Electrostatic discharge circuit and method therefor
08/17/2010US7777997 Electrostatic discharge safe under conveyor antenna
08/17/2010US7777996 Circuit protection system
08/17/2010US7777995 Pole-mountable medical equipment power supply having low patient leakage current
08/12/2010WO2010059427A3 Fault circuit interrupting device having symmetrical inputs
08/12/2010US20100202091 Semiconductor diode structure operation method
08/12/2010US20100202090 Protection circuit, semiconductor device, photoelectric conversion device, and electronic device
08/11/2010EP1762023B1 Passive processing device for interfacing and for esd and radio signal rejection in audio signal paths of an electronic device
08/11/2010CN201550024U Double transistor forward high voltage DC electricity getting unit with neutral points
08/11/2010CN201549891U Automatic control and line selection device capable of simultaneously controlling three arc suppression coils
08/11/2010CN201549890U Magnet valve controlled arc suppression coil
08/11/2010CN201549889U Signal surge protection device with working state indicating function
08/11/2010CN201549888U Temperature double-protection DC supply lightning protector
08/11/2010CN201549887U Temperature-control double-protection AC supply lightning protector
08/11/2010CN201549886U Three-phase power lightening protection box optimally grounded
08/11/2010CN201549885U Anti-surge circuit
08/11/2010CN201549884U Over-voltage protection device
08/11/2010CN201549883U multifunctional freely-combined household lightning arrester
08/11/2010CN201549882U Insulated gate dipole transistor protection device
08/11/2010CN201549881U Self-triggered direct current reactor type current limiter
08/11/2010CN201549880U Over-current protection device
08/11/2010CN201549715U Cable connector with surge protection function
08/11/2010CN201549713U Anti-lightning timing socket
08/11/2010CN201549612U Installation structure of ground equalizer ring of mobile communication base station
08/11/2010CN201549503U Semiconductor voltage-stabilizing and rectifying hybrid device
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