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