Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
12/2005
12/28/2005EP1610432A2 Control circuit
12/28/2005CN2749159Y Lightning arrester for telephone
12/28/2005CN1713476A Surge protector with piece separation
12/27/2005US6980409 Protective circuit for semiconductor device
12/27/2005US6980408 ESD protection circuit having a control circuit
12/22/2005WO2005122357A2 Method and apparatus for providing current controlled electrostatic discharge protection
12/22/2005WO2005122356A2 Electrostatic discharge protection circuit
12/22/2005US20050280972 Control circuit
12/22/2005US20050280971 Voltage surge protection device
12/22/2005US20050280968 Circuit arrangement for limitation of over-voltages in energy storage modules
12/22/2005DE19740949B4 Schutzschaltung gegen elektrostatische Entladung Protection circuit against static discharge
12/22/2005DE102004008994B4 Error diagnosis process in high voltage networks determines error affected phase then earths a non affected phase and finds distance to the fault by impedance measurement
12/22/2005CA2510562A1 Electrical power outlet strip
12/21/2005EP1607995A1 Safety appliance against overvoltage
12/21/2005CN2747762Y Bridge current liniter controller based on double single processor chip technology
12/21/2005CN1711665A Integrated inrush current limiter circuit and method
12/21/2005CN1710814A Apparatus and method for monitoring input voltage
12/21/2005CN1710770A Voltage surge protection device
12/21/2005CA2510207A1 Circuit arrangement for limitation of over-voltages in energy storage modules
12/20/2005US6977571 Secondary coil circuit for use with a multi-section protected superconductive magnet coil circuit
12/20/2005US6977420 ESD protection circuit utilizing floating lateral clamp diodes
12/18/2005CA2471539A1 Surge protection terminal block with insulation-displacing terminal contacts
12/15/2005WO2005119874A2 Continuous design electronic switch system
12/15/2005WO2005119873A2 Protection circuits for hybrid power systems
12/15/2005US20050276102 System and method for limiting energy in an industrial control system
12/15/2005US20050275994 Transient voltage detecting circuit
12/15/2005US20050275989 Cascaded gate-driven ESD clamp
12/15/2005US20050275984 Latch-up-free ESD protection circuit using SCR
12/15/2005US20050275983 Protection circuits for hybrid power systems
12/15/2005US20050275368 Filter network
12/15/2005US20050275070 Electrostatic discharge mitigation structure and methods thereof using a dissipative capacitor with voltage dependent resistive material
12/15/2005US20050275031 Protection of an integrated circuit against electrostatic discharges
12/15/2005DE102004024100A1 Test device for earth leakage circuit breaker, functions with test voltage differing from supply voltage of supply network
12/15/2005CA2562669A1 Continuous design electronic switch system
12/14/2005EP1403832B1 Intrinsically safe explosion-proof sensor circuit
12/14/2005CN2746623Y Plug-in signal surge protector
12/14/2005CN1708074A Method for transmitting line signal via line equipment and transmitting equipment
12/14/2005CN1231380C Voltage clamping circuit of power generator for bicycle
12/13/2005US6975496 Isolated shield coaxial surge suppressor
12/08/2005WO2005117229A1 Electronic element adapted to an electric circuit arrangement
12/08/2005WO2005115112A2 Surge protection device
12/08/2005US20050270714 Electrostatic discharge protection circuit
12/08/2005US20050270710 Silicon controlled rectifier for the electrostatic discharge protection
12/07/2005CN1706018A Moving electrode overvoltage protection mechanism
12/07/2005CN1705180A Three-core five-post grounding current automatic tracking and compensation system
12/07/2005CN1705179A Surge current proof microwave oven circuit
12/07/2005CN1230989C Integrated transmitting/receiving radio frequency device
12/06/2005US6972939 Method and apparatus for a floating well RC triggered electrostatic discharge power clamp
12/06/2005US6972938 Semiconductor integrated circuit device with enhanced resistance to electrostatic breakdown
12/06/2005US6972462 Compact high voltage ESD protection diode
12/01/2005US20050264972 Relay control device for a direct current electrical apparatus
12/01/2005US20050264967 Esd protection designs with parallel lc tank for giga-hertz rf integrated circuits
12/01/2005US20050264966 Esd protection designs with parallel lc tank for giga-hertz rf integrated circuits
12/01/2005US20050264964 Semiconductor circuit
12/01/2005US20050264963 Electrostatic discharge protective circuit and semiconductor integrated circuit using the same
12/01/2005DE102005013687B3 ESD protective circuit for low voltages with two interconnected field effect transistors
12/01/2005DE102004037783B3 Safety switching system for digital outputs of logic building blocks and microcontrollers has diodes to prevent reverse flow of current through transistors when output voltage exceeds input voltage
11/2005
11/30/2005CN2744039Y Electricity saver for AC power supply system
11/30/2005CN2744038Y Voltage limiting wire selector for low current grounding system
11/30/2005CN1703815A A protection device for preventing the flow of undesirable differential mode transients
11/30/2005CN1702860A Electrostatic discharge protective circuit and semiconductor integrated circuit using the same
11/30/2005CN1702790A Relay control device for a direct current electrical apparatus
11/29/2005US6970339 Current limit protection scheme for PWM buck converter with synchronous rectifier
11/29/2005US6970337 High-voltage low-distortion input protection current limiter
11/29/2005US6970336 Electrostatic discharge protection circuit and method of operation
11/29/2005US6970335 LVTSCR ESD protection clamp with dynamically controlled blocking junction
11/24/2005WO2005112218A1 Earthing and overvoltage protection arrangement
11/24/2005WO2005112056A1 A method and an equipment for reducing stray currents in the earthing systems of houses and buildings
11/24/2005WO2005052772A3 Tracking soft start circuit
11/24/2005US20050259376 Circuit for diverting surges and transient impulses
11/24/2005US20050259375 Overcurrent protection circuit
11/24/2005US20050259373 Unsafe voltage shutoff control
11/24/2005US20050259372 Latchup prevention method for integrated circuits and device using the same
11/24/2005US20050258805 Devices and methods for protection of rechargeable elements
11/24/2005DE202004015511U1 Self operated switch with electronic overload function for an electrical unit especially a motor starter uses values of operating current and permitted overload time
11/23/2005EP1305863B1 System for overvoltage protection
11/23/2005EP1218997B1 Undervoltage release with an electromagnet and clocked holding current circuit
11/23/2005CN1700553A GFCI with enhanced surge suppression
11/23/2005CN1228844C Electrostatic protection circuit using grid coupling metal-oxide half field effect transistor
11/22/2005US6967826 Electrostatic discharge protection with input impedance
11/22/2005US6967381 Semiconductor device
11/17/2005WO2005109593A1 Method and equipment for the protection of power systems against geomagnetically induced currents
11/17/2005WO2005109589A1 Overcurrent detecting circuit and power supply device provided with it
11/17/2005US20050254201 Power bus and structure for a barrier movement operator
11/17/2005US20050254190 ESD dissipative structural components
11/17/2005US20050254189 ESD protection circuit with low parasitic capacitance
11/17/2005US20050254188 Semiconductor integrated circuit device
11/17/2005US20050253544 System and method for controlling current in a movable barrier operator
11/17/2005DE102004024933A1 Schutzschaltung für einen Umrichter Protection circuit for a power converter
11/17/2005DE102004019600A1 Überbrückungsvorrichtung zum Überbrücken einer elektrischen Last Bridging device for bridging an electrical load
11/17/2005CA2567519A1 Method and equipment for the protection of power systems against geomagnetically induced currents
11/16/2005EP1595321A2 Direct current motor control circuit and wiper system using said circuit
11/16/2005CN1697177A Circuit and method for ESD protection
11/16/2005CN1696715A System for monitoring resistance of electric fuse
11/15/2005US6965503 Electro-static discharge protection circuit
11/15/2005US6965291 Circuit component and transformer device with controllable impedance and with systems equipped with such devices
11/10/2005WO2005114685A1 Emi filter terminal assembly with wire bond pads for human implant applications
11/10/2005US20050248907 EMI filter terminal assembly with wire bond pads for human implant applications
11/10/2005US20050248900 Amalgam of shielding and shielded energy pathways and other elements for single or multiple circuitries with common reference node
11/10/2005US20050248899 Power strip having the function of neutral line switching