Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
---|
01/23/2003 | WO2003007452A1 Electrostatic discharge apparatus for network devices |
01/23/2003 | WO2003007451A1 Voltage limiting protection for high frequency power device |
01/23/2003 | US20030016479 Electrostatic discharge (ESD) protection circuit of silicon-controlled rectifier (SCR) structure operable at a low trigger voltage |
01/23/2003 | US20030016478 Electrostatic discharge cell of integrated circuit |
01/23/2003 | CA2394408A1 Generator for producing high voltages |
01/22/2003 | EP1278283A2 Device for protecting electronic components |
01/22/2003 | EP1277265A1 Digital instrumentation |
01/22/2003 | CN2532609Y Computerized are and resonance eliminating wire-selection comprehensive device |
01/22/2003 | CN2532608Y Quick energy saving electronic switch device for reactor of high-voltage electricity supply and distribution system |
01/22/2003 | CN1099684C Electromagnetic drive apparatus |
01/21/2003 | US6510032 Integrated overcurrent and overvoltage apparatus for use in the protection of telecommunication circuits |
01/16/2003 | WO2003005552A1 Power inverter |
01/16/2003 | WO2003005319A1 Intrinsically safe explosion-proof sensor circuit |
01/16/2003 | US20030011949 Dual-triggered electrostatic discharge protection circuit |
01/16/2003 | US20030011031 Voltage limiting protection for high frequency power device |
01/16/2003 | US20030011026 Electrostatic discharge apparatus for network devices |
01/15/2003 | CN2531601Y Network equipment cabinet with safety control unit |
01/15/2003 | CN1391324A Current limiter with by-pass inductor for short-circuit failure |
01/09/2003 | US20030007303 Pressure-resistant encapsulated air-gap arrangement for the draining off of damaging perturbances due to overvoltages |
01/09/2003 | US20030007301 Low-voltage-triggered SOI-SCR device and associated ESD protection circuit |
01/09/2003 | US20030007298 Electrostatic discharge protective circuit |
01/01/2003 | CN2529421Y Power-supply lighting arrester |
01/01/2003 | CN1097878C Electric isolation between infrared receiver and further electronic circuits |
12/31/2002 | US6501634 High voltage transient voltage surge suppression fuse link system |
12/27/2002 | WO2002103876A1 Electrical circuit protection system |
12/25/2002 | CN2528142Y Safety unit of general distributing frame |
12/19/2002 | US20020191426 Inrush current limiting circuit, power source device and power conversion device |
12/19/2002 | US20020191359 Inrush current protection circuit |
12/19/2002 | US20020191358 Electrostatic discharge protection device |
12/19/2002 | US20020190325 Power semiconductor device |
12/18/2002 | EP1267468A2 Surge protective device |
12/18/2002 | EP0746864B1 Solid state circuit breaker |
12/18/2002 | CN2527014Y Double regulating arc suppression coil for neutral point in ac high-voltage electric network |
12/18/2002 | CN2527010Y Safety isolation arc suppression and protection apparatus for power supply in mine |
12/17/2002 | US6496341 SOI electrostatic discharge protection circuit |
12/17/2002 | US6495982 Electric motor control |
12/12/2002 | WO2002099663A2 Intrinsically safe field bus system |
12/12/2002 | WO2002099605A2 Method and apparatus for modular embedded control system |
12/12/2002 | US20020186517 Electrostatic discharge protection circuit |
12/11/2002 | CN2525714Y Dynamic analogue system serial compensation capacitance MOV control protection imitate device |
12/11/2002 | CN1096138C Protective circuit and electric circuit using protective circuit |
12/10/2002 | US6493245 Inrush current control for AC to DC converters |
12/10/2002 | US6493203 Phase control switch apparatus |
12/10/2002 | US6493199 Vertical zener-triggered SCR structure for ESD protection in integrated circuits |
12/10/2002 | US6492799 Monitor circuit for a current limiting device |
12/05/2002 | WO2002096696A1 System and method for actively limiting the power drawn from a power distribution bus |
12/05/2002 | US20020182921 Overvoltage protection magazine |
12/05/2002 | US20020181182 Circuit protection arrangement |
12/05/2002 | US20020181177 CDM ESD protection design using deep N-well structure |
12/05/2002 | US20020181176 Magnetic snapback sensor circuit and electrostatic discharge circuit using same |
12/05/2002 | US20020180002 Semiconductor device |
12/05/2002 | DE10124683A1 Leistungsbegrenzungsschaltung Power limiting circuit |
12/05/2002 | CA2443780A1 System and method for actively limiting the power drawn from a power distribution bus |
12/04/2002 | EP0802603B1 Self-excitation type switch power supply unit with overcurrent protection |
12/04/2002 | CN2524422Y Improved replacing power supplier |
11/28/2002 | WO2002095895A1 Power limiting circuit |
11/28/2002 | WO2002095893A1 Method and arrangement for reducing stress in electrical network |
11/28/2002 | US20020176216 Current inrush limiting circuit |
11/28/2002 | US20020175743 Sub-micron high input voltage tolerant input output (I/O) circuit which accommodates large power supply variations |
11/27/2002 | CN1382253A Intrinsically safe signal conditioner for coriolis flowmeter |
11/27/2002 | CN1095269C Modem loop current detect system to detect off-hook condition in extension telephone |
11/26/2002 | US6487507 Remote signal conditioner for a Coriolis flowmeter |
11/20/2002 | EP1258066A1 Pressure-resistant encapsulated air-gap arrangement for the draining off of damaging perturbances due to overvoltages |
11/20/2002 | CN2521811Y Shunt resistance type autoamtic tracking arc suppression compensating & select switch |
11/20/2002 | CN2521780Y Power socket surge protector |
11/19/2002 | US6483686 Circuit for indicating abnormality of three-mode surge absorber of public electric power and a multiple-end fuse |
11/19/2002 | US6483684 Current limiting apparatus |
11/14/2002 | WO2002091398A2 Circuit protection arrangement |
11/14/2002 | US20020167770 Protecting circuit against short-circuit of output terminal of AC adapter |
11/13/2002 | EP0771465B1 Method of making single and multi-layer variable voltage protection devices |
11/13/2002 | CN1094237C 单层及多层可变电压保护装置及其制作方法 Single and multi-variable voltage protection device and manufacturing method thereof |
11/12/2002 | US6479882 Current-limiting device |
11/07/2002 | US20020163768 Electrostatic discharge protection circuit using diodes |
11/07/2002 | US20020163255 Circuits and methods for controlling load sharing by multiple power supplies |
11/06/2002 | CN1378278A Silicon controlled rectifier circuit of high triggered current |
11/05/2002 | US6477025 Surge protection device with thermal protection, current limiting, and failure indication |
11/05/2002 | US6477023 Electrostatic discharge protection apparatus |
11/05/2002 | US6476706 Current limiter having a high-temperature superconductor |
11/05/2002 | US6476667 Adjustable current limiting/sensing circuitry and method |
11/05/2002 | US6476618 Circuit for indicating abnormality of three-mode surge absorber of public electric power |
11/05/2002 | US6476520 Plug connection |
11/05/2002 | US6475958 High-temperature superconductor arrangement and a method for its production |
10/31/2002 | US20020159213 Methods and systems for reducing clamp voltages in surge protection circuitry |
10/31/2002 | US20020159212 Voltage protection apparatus and methods using switched clamp circuits |
10/31/2002 | US20020159208 ESD protection circuit for mixed-voltage I/O by using stacked NMOS transistors with substrate triggering technique |
10/31/2002 | US20020158515 Offset pathway arrangements for energy conditioning |
10/30/2002 | EP1252656A1 Protection device for schottky diodes |
10/30/2002 | EP1101265B1 Circuit for limiting the inrush current of a capacitive load |
10/30/2002 | CN1377114A Auxilitary power supply |
10/29/2002 | US6473283 Voltage protection circuit for multi-drop bus of an automated coin vending machine |
10/24/2002 | WO2002084837A1 Method and system for protecting electronics mounted on a vehicle |
10/24/2002 | WO2002067279A3 Hot-swap protection circuit |
10/24/2002 | US20020154462 Double-triggered electrostatic discharge protection circuit |
10/24/2002 | US20020153989 Circuit for indicating abnormality of three-mode surge absorber of public electric power and a multiple-end fuse |
10/24/2002 | US20020153571 Electrostatic discharge protection structures having high holding current for latch-up immunity |
10/24/2002 | US20020153570 Two-stage ESD protection circuit with a secondary ESD protection circuit having a quicker trigger-on rate |
10/23/2002 | EP1250741A1 Inrush current limiting circuit, power source device and power conversion device |
10/23/2002 | EP0988685A4 Supplemental battery overcharge protection device |
10/23/2002 | CN2518252Y Building blocking combined overvoltage protector |
10/23/2002 | CN1375923A 多功能复合接触器 Multifunctional composite contacts |