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