Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
12/2004
12/02/2004US20040240133 Laser diode protection circuit
12/02/2004US20040240130 Semiconductor device having protection device for protecting internal device
12/02/2004US20040240129 Method and structure for external control of ESD protection in electronic circuits
12/02/2004US20040240128 PMOS electrostatic discharge (ESD) protection device
12/02/2004US20040240127 Gated diode overvoltage protection
12/02/2004US20040238893 Semiconductor device having transistor with high electro-static discharge capability and high noise capability
12/01/2004EP1482580A1 Lead-acid battery, in particular submarine propulsion battery
12/01/2004EP1482554A1 Electrostatic discharge protection device
12/01/2004EP1481456A1 A protection device
12/01/2004CN2660760Y Overcurrent protector having acoustooptic warning and auto restoring functions
12/01/2004CN1551447A Gate bias adjustable static discharge protective circuit
12/01/2004CN1551355A 半导体器件 Semiconductor devices
12/01/2004CN1178373C Switch style power supply protection circuit
11/2004
11/30/2004US6826026 Output buffer and I/O protection circuit for CMOS technology
11/25/2004WO2004102765A1 Method of forming a protection circuit and structure therefor
11/25/2004US20040233691 Voltage protection circuit
11/25/2004US20040233606 Electrostatic discharge protection component
11/25/2004US20040233603 Hot-swap protection circuit
11/25/2004US20040233597 Electrostatic discharge protection apparatus
11/25/2004US20040233595 ESD protection circuit with tunable gate-bias
11/25/2004DE19513910B4 Eigensichere Stromquelle Intrinsically safe power source
11/24/2004EP0970487B1 Resettable automotive circuit protection device
11/24/2004CN2658998Y Combined over voltage protector
11/24/2004CN2658997Y Short circuit failure current limiter using solid state switch
11/24/2004CN1549416A Thunder proof protective circuit for Ethernet interface
11/24/2004CN1177397C Lightning protector for low voltage electric equipment
11/23/2004US6822843 External storage device and entertainment system incorporating the same
11/23/2004US6822840 Method for protecting MOS components from antenna effect and the apparatus thereof
11/23/2004US6822431 Intrinsically safe sensor signal processing circuit
11/23/2004US6821153 Overvoltage protection magazine
11/18/2004WO2004086826A3 Esd dissipative structural components
11/18/2004US20040228060 Overvoltage and overcurrent protection circuit and telephone interface protection circuit
11/17/2004EP1050093A4 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package
11/17/2004CN2657256Y Short-circuit fault current limiter
11/17/2004CN2656201Y Over-vltage protecting circuit for car controller
11/17/2004CN2656180Y Overvoltage protector for air conditioner of car
11/17/2004CN1176566C Thermal trip arrangements
11/16/2004CA2301456C Circuit protection device
11/11/2004WO2004098015A1 Surge protection device
11/11/2004WO2004098014A1 Power supply for a measuring apparatus
11/11/2004WO2004098013A2 Method and apparatus for electrical power transfer
11/11/2004US20040223278 Smart solid state relay
11/11/2004US20040223274 Switching circuit device
11/11/2004US20040223273 Electrostatic discharge (ESD) clamp using output driver
11/11/2004US20040222823 Overvoltage detector
11/11/2004US20040222766 Inverter for an electric machine
11/11/2004DE10314601A1 Halbleiterschaltung mit einer Schutzschaltung A semiconductor circuit with a protection circuit
11/11/2004CA2523596A1 Power supply of a measuring device
11/10/2004EP1149452B1 Current limiter with electric valves for limiting the short-circuit current in an electric power circuit
11/10/2004CN2655489Y Solar frequency change water pumping-up controller
11/10/2004CN2655487Y Fault current-limiter used on magnetic flux compensation
11/10/2004CN1175540C Start current protection circuit
11/09/2004US6816352 Abnormal voltage protection circuit
11/09/2004US6816350 AC voltage protection circuit
11/04/2004WO2004095518A2 Thyristor circuit providing overcurrent protection to a low impedance load
11/04/2004WO2004081978A3 Radio frequency clamping circuit
11/04/2004US20040219838 Surge protected coaxial termination
11/04/2004US20040218333 Electrical circuit protection system
11/04/2004US20040218332 Arrangement for energy conditioning
11/04/2004US20040218323 Semiconductor device
11/04/2004US20040218322 ESD protection circuits for mixed-voltage buffers
11/04/2004DE19843100B4 Drehstromkabel Three-phase cable
11/04/2004DE10319793B3 Energieversorgung eines Messgerätes Power supply of a measuring instrument
11/03/2004CN1542873A Static countermeasure parts
10/2004
10/28/2004US20040212939 Thyristor circuit providing overcurrent protection to a low impedance load
10/28/2004US20040212936 Diode-string substrate-pumped electrostatic discharge protection
10/28/2004US20040212418 Power switch arrangement and turn-off method therefor
10/28/2004DE10049233B4 Eigensicheres Feldbussystem Intrinsically Safe Fieldbus system
10/27/2004CN1541437A Electrostatic discharge appts. for network devices
10/27/2004CN1540755A Semiconductor integrated circuit device and electronic card using smae
10/26/2004US6809579 Blocking mechanism to reduce leakage current
10/21/2004US20040207969 Surge voltage protector for use in power transmission networks
10/21/2004US20040207965 Semiconductor circuit with protective circuit
10/21/2004DE202004010294U1 Circuit arrangement for switching battery charging device e.g. for large industrial batteries, during switch on of battery charging device a delay is caused between switch-on of first- and second- switches
10/20/2004EP0934596B1 Circuit breakers with ptc (positive temperature coefficient resistivity) elements
10/20/2004CN2650372Y Lightning protection device for power-supply
10/20/2004CN2650371Y Contactless switch device of direct-current bus overvoltage protection for brake energy feedback
10/20/2004CN2650370Y Failure current-limiter with multi parallel current-limitnig inductance
10/20/2004CN1538519A Semiconductor device with circuit protection for protecting circuit
10/20/2004CN1172327C Fault current limiting superconducting coil
10/19/2004US6807039 Inrush limiter circuit
10/19/2004US6806806 Polymer fuse and filter apparatus
10/14/2004US20040201941 Direct application voltage variable material, components thereof and devices employing same
10/14/2004US20040201355 Light fixture control system
10/13/2004EP1467473A2 Device for reducing leakage current
10/13/2004CN2648668Y Double-metal sheet connection alarmer with integrated chip protection unit
10/12/2004US6804095 Drain-extended MOS ESD protection structure
10/12/2004US6803633 Electrostatic discharge protection structures having high holding current for latch-up immunity
10/07/2004WO2004086826A2 Esd dissipative structural components
10/07/2004WO2000077907A9 Universal multi-functional common conductive shield structure for electrical circuitry and energy conditioning
10/07/2004US20040199480 Detection of pump cavitation/blockage and seal failure via current signature analysis
10/07/2004US20040196609 Protection circuit scheme for electrostatic discharge
10/07/2004US20040196605 Passive inductive switch
10/07/2004US20040196602 AC coupling-DC blocking surge protection module with DC blocking bypass functionality
10/07/2004US20040196601 Electrostatic discharge protecting circuit using flash cell
10/07/2004DE10245273B4 Speisegerät zur eigensicheren Energieversorgung Power pack for intrinsically safe power supply
10/06/2004EP1465314A2 AC coupling-DC blocking surge protection module with DC blocking bypass functionality
10/06/2004CN2646926Y An improved antisurge protective device
10/06/2004CN2646925Y Multifunctional voltage-limiting surge protector
10/06/2004CN1535493A Surge protected coaxial termination