Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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11/13/2003 | WO2003094317A1 Method and apparatus for protecting monitor circuit from fault condition |
11/13/2003 | US20030210509 Semiconductor switching device |
11/13/2003 | US20030210135 Protecting medium voltage inductive coupled device from electrical transients |
11/13/2003 | US20030210125 Polymer fuse and filter apparatus |
11/12/2003 | EP1361637A2 Overcurrent protection circuit |
11/12/2003 | EP1360750A2 Matrix-type superconducting fault current limiter |
11/12/2003 | EP0760196B1 Implant device with electrostatic discharge protection |
11/12/2003 | CN2586275Y General power source lightning arrester |
11/12/2003 | CN1455486A High-capacity controllable reactor |
11/11/2003 | US6646842 Inrush current suppression circuit |
11/11/2003 | US6646840 Internally triggered electrostatic device clamp with stand-off voltage |
11/11/2003 | US6646839 Surge suppressor |
11/11/2003 | US6646537 Solid state rectifying fuse |
11/11/2003 | US6646402 Force reflection system |
11/06/2003 | US20030207541 Method for protecting MOS components from antenna effect and the apparatus thereof |
11/06/2003 | US20030206391 Electromagnetic transient voltage surge suppression system |
11/05/2003 | EP0850505B1 Overcurrent protection circuit |
11/05/2003 | CN1453918A Electric power supply device |
11/05/2003 | CN1127006C Method and device for automatically switching three phase voltage for power saving transformer |
10/30/2003 | WO2002091398A3 Circuit protection arrangement |
10/30/2003 | US20030202310 Method and apparatus for protecting monitor circuit from fault condition |
10/30/2003 | US20030202302 Universal surge protector for notebook computers |
10/30/2003 | US20030202296 Power supply device |
10/30/2003 | US20030201457 Gate-coupled MOSFET ESD protection circuit |
10/29/2003 | EP1356590A2 Sub-micron high input voltage tolerant input output (i/o) circuit |
10/29/2003 | EP1356565A2 Current inrush limiting circuit |
10/29/2003 | EP1356524A2 Esd protection devices |
10/29/2003 | CN1126289C Repeater apparatus having isolation circuit |
10/29/2003 | CN1126056C Fault detection and modification circuit |
10/28/2003 | US6639779 Frequency selective transient voltage protector |
10/28/2003 | US6639777 Electronic timer switch |
10/28/2003 | US6639773 Current limiter |
10/28/2003 | US6639772 Electrostatic discharge protection circuit for protecting input and output buffer |
10/28/2003 | US6639771 Internet ESD-shunt diode protected by delayed external MOSFET switch |
10/28/2003 | US6639767 Semiconductor switching devices |
10/28/2003 | US6639444 Protection circuit |
10/28/2003 | US6639389 Arrangement and method for protecting multiple voltage supply systems against voltage arc-over between different voltage planes and against pole reversal from the outside |
10/28/2003 | US6639284 Compensated-well electrostatic discharge protection structure |
10/23/2003 | WO2003088356A1 Voltage variable material for direct application and devices employing same |
10/23/2003 | US20030197992 Semiconductor circuit and photocoupler |
10/22/2003 | EP1354403A2 Sub-micron high input voltage tolerant input output (i/o) circuit which accommodates large power supply variations |
10/22/2003 | CN2582191Y Over voltage-proof thunder and lightning prevention connector |
10/21/2003 | US6636404 Integrated overcurrent and overvoltage apparatus for use in the protection of telecommunication circuits |
10/21/2003 | US6635930 Protective circuit |
10/16/2003 | US20030193765 Electrostatic breakdown prevention circuit for semiconductor device |
10/16/2003 | US20030193320 Voltage regulator circuit and integrated circuit device including the same |
10/15/2003 | EP1353429A1 Protection circuit-equipped secondary battery |
10/15/2003 | CN2580653Y Self-restoring type overvoltage protection module with alarm |
10/15/2003 | CN2580652Y Protection unit for main distribution frame |
10/15/2003 | CN2580651Y Solid circuit protection unit for main distributing frame |
10/14/2003 | US6633476 Watt-hour meter adapters with TVSS indicators |
10/09/2003 | US20030191028 Conductor track with switch; magnetic flux body; transformer coil winding |
10/09/2003 | US20030189453 Radio frequency clamping circuit |
10/09/2003 | US20030189432 Method and apparatus for neutralizing stray current impulses |
10/09/2003 | DE4124321C2 Anordnung zur Ableitung von Überspannungen Arrangement for the disposal of overvoltages |
10/08/2003 | CN2579035Y One touch controlled socket for computer power supply |
10/08/2003 | CN1447488A Electrostatic discharge protection circuit by use of silicon controlled rectifier |
10/08/2003 | CN1123954C Circuit device for limiting starting current for transformer |
10/08/2003 | CN1123953C Modulation compensated clamp circuit |
10/07/2003 | US6631059 ESD protection circuit |
10/02/2003 | WO2003081777A1 Optoelectronic receiver circuit for digital communication |
10/02/2003 | US20030184933 Electrostatic discharge protection device |
10/02/2003 | US20030184266 Inrush current suppressing device |
10/02/2003 | US20030184232 Power-supply unit for microwave tube |
10/01/2003 | EP1349263A1 Process for the operation of a transformer connected to a controllable voltage source as well as an apparatus for the implementation of that process |
10/01/2003 | CN2577503Y Over voltage protection device of single-phase bridge inverter for medium voltage frequency transformer |
10/01/2003 | CN2577491Y Dry gap-adjusting arc suppression coil |
10/01/2003 | CN2577490Y Full-electronic integrated circuit safety unit |
10/01/2003 | CN1445898A Equipotential anti-thunder surge current protector |
10/01/2003 | CN1445897A Method for operating transformer by driving voltage source and its actuating equipment |
10/01/2003 | CN1445896A Power souce commutation possessing reverse connected polarity and protection circuit for surge current |
09/30/2003 | US6628498 Integrated electrostatic discharge and overcurrent device |
09/30/2003 | US6628493 System and method for electrostatic discharge protection using lateral PNP or PMOS or both for substrate biasing |
09/30/2003 | US6628488 Electrostatic discharge protection circuit |
09/30/2003 | US6628485 Apparatus for limiting an electrical current |
09/30/2003 | US6628149 Sub-micron high input voltage tolerant input output (I/O) circuit |
09/25/2003 | WO2003079493A2 Protecting medium voltage inductive coupler device |
09/25/2003 | US20030179533 Isolated shield coaxial surge suppressor |
09/25/2003 | US20030179527 Protection of double end exposed systems |
09/25/2003 | US20030179523 Electrostatic discharge protection device |
09/25/2003 | CA2479198A1 Protecting medium voltage inductive coupler device |
09/24/2003 | EP1346451A1 Method and circuitry for active inrush current limiter and power factor control |
09/24/2003 | EP1345795A1 Intelligent fuse box for the power distribution system of a vehicle |
09/24/2003 | CN1444788A Ground fault interrupter |
09/23/2003 | US6624997 Electrical power conditioner |
09/23/2003 | US6624992 Electro-static discharge protection circuit |
09/18/2003 | US20030173939 Method for operating a transformer from a drivable voltage source, as well as an apparatus for carrying out the method |
09/18/2003 | US20030173623 Semiconductor integrated circuit device |
09/18/2003 | DE20310870U1 Solar system for motor vehicle roof, has short-circuit switches for removing voltage peaks before switch connecting solar system to load opens or closes |
09/17/2003 | EP1344293A1 Surge protected coaxial termination |
09/17/2003 | CN1443388A System for overvoltage protection |
09/16/2003 | US6621673 Two-stage ESD protection circuit with a secondary ESD protection circuit having a quicker trigger-on rate |
09/11/2003 | US20030171009 Current limiter with low drop voltage for surge protection and fuse protection |
09/11/2003 | US20030169551 Semiconductor integrated circuit with voltage-detecting circuit and signal transmitting and receiving system |
09/11/2003 | US20030169549 System and method for overvoltage protection of an integrated circuit |
09/11/2003 | US20030169546 Circuit for the protection and supply of consuming circuits |
09/10/2003 | EP1342398A2 Energy pathway arrangements for energy conditioning |
09/10/2003 | EP1188240B1 Load control system having an overload protection circuit |
09/10/2003 | CN2572642Y Microwave arrester |
09/10/2003 | CN2572641Y Fusing overvoltage limiter for fuse |