| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 02/03/2005 | DE10349072B3 Switching in current limiting circuit for electronic module fitted in rack, using comparator for comparing reference voltage with operating voltage supplied via charging capacitors defining switching in delay |
| 02/03/2005 | DE102004031706A1 Klemmschaltung für elektrostatische Entladung Clamp circuit for electrostatic discharge |
| 02/02/2005 | EP1503473A1 Monolithically Integrated circuit for overvoltage protection |
| 02/02/2005 | EP1503259A2 In-line passive barrier for intrinsically safe communication network |
| 02/02/2005 | CN2676478Y 电涌保护器 Surge protectors |
| 02/02/2005 | CN2676476Y Lightning protection box |
| 02/02/2005 | CN1574579A Switching type dc-dc converter |
| 02/02/2005 | CN1574522A Laser diode protection circuit |
| 02/01/2005 | US6850402 Circuit and method for controlling current flow through a solenoid |
| 02/01/2005 | US6850400 Circuit for protection against heating of a protection element of equipment |
| 02/01/2005 | US6850287 System for dissipating electrical charge from a cabinet of an electronic apparatus |
| 02/01/2005 | US6850145 Self-recovering current-limiting device with liquid metal |
| 01/27/2005 | WO2005008859A1 A protection system for medium-voltage potential transformers |
| 01/27/2005 | WO2005008727A2 Transient protection and current control of devices |
| 01/27/2005 | US20050018374 Filter assembly |
| 01/27/2005 | US20050018368 DC reactor with bobbin equipped with supplementary winding |
| 01/27/2005 | US20050017694 Alternator with rectifier bridge in particular for motor vehicle |
| 01/26/2005 | EP1500143A1 Low input capacitance electrostatic discharge protection circuit utilizing feedback |
| 01/26/2005 | CN2674738Y Fault current limiter |
| 01/26/2005 | CN1572051A 限压器 Voltage limiter |
| 01/26/2005 | CN1571233A A power electronic type short-circuit fault current limiter |
| 01/26/2005 | CN1571156A Electrostatic discharge protecting circuit |
| 01/26/2005 | CN1571155A Electrostatic discharge protecting circuit |
| 01/26/2005 | CN1571154A Electrostatic discharge protecting circuit |
| 01/25/2005 | US6847512 Electrostatic breakdown prevention circuit for semiconductor device |
| 01/25/2005 | US6847248 Sub-micron high input voltage tolerant input output (I/O) circuit which accommodates large power supply variations |
| 01/20/2005 | WO2005006514A2 System and method for the powering and fault protection of remote telecommunications equipment |
| 01/20/2005 | WO2004098013A3 Method and apparatus for electrical power transfer |
| 01/20/2005 | WO2004075390A3 Direct current motor control circuit and wiper system using said circuit |
| 01/20/2005 | US20050013073 Protection circuit for electro static discharge |
| 01/18/2005 | US6845000 Limiting circuit for a brushless DC motor |
| 01/13/2005 | WO2005004299A1 Superconductor current limiting system and method |
| 01/13/2005 | US20050009378 Hard disk drive (HDD) electrical over voltage stress (EOS) systems and methods |
| 01/13/2005 | US20050007718 EMI filter terminal assembly with wire bond pads for human implant applications |
| 01/13/2005 | US20050007710 Static discharge protection module of LCD display control board of portable computer |
| 01/13/2005 | US20050007709 Transient protection and current control of devices |
| 01/13/2005 | US20050007167 PWM switching regulator control circuit |
| 01/13/2005 | US20050007117 Transient protection of sensors |
| 01/13/2005 | DE10325363A1 Sicherheitsschaltgerät zum fehlersicheren Abschalten eines elektrischen Verbrauchers sowie entsprechendes Verfahren Safety relay for failsafe shutdown of an electrical load and corresponding method |
| 01/13/2005 | DE10307668B3 Determining parameters of Petersen-coil compensated network without de-tuning the coils, by feeding composite current into zero-phase system, and measuring voltages |
| 01/13/2005 | DE10146947B4 Elektrisches Bauelement Electrical component |
| 01/13/2005 | CA2530459A1 Superconductor current limiting system and method |
| 01/12/2005 | EP1496591A1 Electrostatic discharge protection circuits using biased and terminated PNP transistor chains |
| 01/12/2005 | CN2671199Y Fault trip and alarming device for surge protector |
| 01/12/2005 | CN2671198Y Overvoltage control module |
| 01/12/2005 | CN1565069A Electronic apparatus |
| 01/12/2005 | CN1564412A Protective circuit |
| 01/12/2005 | CN1184861C Electronic apparatus having casing contg. metal parts |
| 01/11/2005 | US6842318 Low leakage input protection device and scheme for electrostatic discharge |
| 01/06/2005 | WO2005002019A1 Protection circuit for an integrated circuit device |
| 01/06/2005 | US20050002142 Surge-protected networking power strip |
| 01/06/2005 | US20050002141 Electrostatic discharge protection circuit |
| 01/06/2005 | US20050002139 Electrostatic discharge clamp circuit |
| 01/05/2005 | EP1494284A1 Overvoltage protection device |
| 01/05/2005 | CN2669269Y Electric-station protection device of computer display interface |
| 01/05/2005 | CN1183594C Semiconductor device with protection circuit |
| 01/04/2005 | US6839254 Power supply with low loss making current limitation |
| 01/04/2005 | US6839214 Overvoltage protection device |
| 12/30/2004 | US20040264090 High-voltage low-distortion input protection current limiter |
| 12/30/2004 | US20040264087 Transient protector for wireless communications equipment |
| 12/30/2004 | US20040264080 ESD protection circuit and display panel using the same |
| 12/30/2004 | US20040264072 Superconducting matrix fault current limiter with current-driven trigger mechanism |
| 12/30/2004 | US20040263139 Switching type dc-dc converter |
| 12/29/2004 | WO2004068543A3 Electrostatic discharge circuit and method therefor |
| 12/29/2004 | EP1490972A1 Optoelectronic receiver circuit for digital communication |
| 12/29/2004 | CN2667770Y Self-controlling resistance-capacitance absorber |
| 12/29/2004 | CN2667769Y 可控式阻尼器 Controllable dampers |
| 12/29/2004 | CN2667765Y Nonlinear zinc oxide piezo-resistance fast de-excitation and overvoltage protecting apparatus |
| 12/29/2004 | CN1558482A Static exciter inrush current inhibition method and apparatus |
| 12/28/2004 | US6836394 Electrostatic discharge protection for eletrostatically actuated microrelays |
| 12/23/2004 | WO2004012317A3 Method and system for protecting a vehicle system from a load dump |
| 12/23/2004 | US20040257743 LAN magnetic interface circuit with passive ESD protection |
| 12/23/2004 | US20040257742 Voltage limiter |
| 12/23/2004 | US20040257728 Electrostatic discharge protection device and network with high voltage tolerance |
| 12/23/2004 | US20040257046 Electronic apparatus |
| 12/22/2004 | EP1488626A2 Protecting medium voltage inductive coupled device from electrical transients |
| 12/22/2004 | CN2666009Y Automatic tuning protection device |
| 12/22/2004 | CN2666008Y Small-sized safety device |
| 12/22/2004 | CN2666007Y Pressing and fastening surge protector |
| 12/16/2004 | WO2004109887A1 Counter electromotive force preventive unit |
| 12/16/2004 | US20040252436 Protection circuit for a digital subscriber line device |
| 12/16/2004 | US20040252428 Intrinsically secure device for supplying redundant current-voltage |
| 12/16/2004 | US20040252427 Semiconductor device |
| 12/16/2004 | US20040252426 Technique to reduce ESD loading capacitance |
| 12/16/2004 | DE10328532B3 Intrinsically safe supply device has arrangement for reducing d.c. output voltage driven periodically so rising spark voltage build-up inhibited by periodic voltage reduction in event of opening spark |
| 12/16/2004 | DE10324582A1 Overload protection for an electrical load on such as a road vehicle has polymer PTC element coupled to a heater stage |
| 12/16/2004 | CA2527270A1 Telecom circuit protection apparatus |
| 12/15/2004 | CN2664278Y DC/DC power supply module having under-voltage and current-limiting protection |
| 12/15/2004 | CN2664252Y A lightning protector |
| 12/09/2004 | DE102004024352A1 Electric circuit to prevent arcing at opening contacts, has three controlling elements and two timers to hold voltage below arcing level |
| 12/08/2004 | EP1484825A2 Laser diode protection circuit |
| 12/08/2004 | CN1554141A An arrangement for ESD protection of an integrated circuit |
| 12/08/2004 | CN1553552A Over voltage breaking protector |
| 12/08/2004 | CN1553551A AC inputting high-voltage protector |
| 12/08/2004 | CN1179459C Surge suppressor with virtual ground |
| 12/08/2004 | CN1179383C Current-limiting switch |
| 12/07/2004 | US6829129 Tri-mode over-voltage protection and disconnect circuit apparatus and method |
| 12/07/2004 | US6829125 ESD protection circuit for multi-power and mixed-voltage integrated circuit |
| 12/07/2004 | CA2304882C Power distribution network incorporating a voltage support transformer and process of use |
| 12/02/2004 | WO2004105067A1 Safety switching device for the failsafe shutdown of an electric consumer and corresponding method |