Patents for H02M 1 - Details of apparatus for conversion (33,954) |
---|
06/29/2004 | US6757183 Method for starting up a switched-mode power supply, and switched-mode power supply having a starting circuit |
06/29/2004 | US6756825 Power device driving circuit |
06/29/2004 | US6756702 Transport-lag compensator |
06/29/2004 | US6756623 Semiconductor device and method of driving transistors |
06/24/2004 | WO2004054079A2 Self-powered over-voltage protection circuit |
06/24/2004 | WO2004047303A8 Protection circuit and method for floating power transfer device |
06/24/2004 | WO2004034439A9 Method and apparatus for driving a power mos device as a synchronous rectifier |
06/24/2004 | US20040123166 I/O resonance cancellation circuit based on charge-pumped capacitors |
06/24/2004 | US20040120170 Inverter |
06/24/2004 | US20040120166 Vsc-converter |
06/24/2004 | US20040120094 Solenoid drive apparatus and drive method |
06/24/2004 | US20040120090 Half-bridge high voltage gate driver providing protectin of a transistor |
06/24/2004 | US20040119452 Pulse width modulated generator |
06/24/2004 | US20040119449 High power factor inverter for electronic loads & other DC sources |
06/24/2004 | US20040119448 Method and apparatus for electronic power control |
06/24/2004 | US20040119447 Switching power supply circuit |
06/24/2004 | DE10257908A1 Getaktete Leistungsversorgung Switched-mode power supply |
06/24/2004 | DE10254236A1 Frequenzumrichter Frequency |
06/23/2004 | EP1432109A1 Power source apparatus |
06/23/2004 | CN2621359Y 电子变压器 Electronic Transformer |
06/23/2004 | CN1507139A Electronic reactor for great power IF power source |
06/23/2004 | CN1507138A Miniature high-density AC and DC power supply |
06/22/2004 | US6753798 Filter configuration, method for filtering an analog filter input signal, and power factor controller |
06/22/2004 | US6753670 Universal energy regulating controller circuit |
06/22/2004 | US6753622 Uninterruptible power supply systems and methods using rectified AC with current control |
06/22/2004 | CA2358835C Snubber circuit and power transformer using the same |
06/17/2004 | WO2004051851A1 Driver for switching circuit and drive method |
06/17/2004 | WO2003100968B1 Active common mode emi filter, including series cascaded filter with reduced power dissipation and transistor voltage rating |
06/17/2004 | US20040114408 Method and device for controlling power supply |
06/17/2004 | US20040114401 Switched-mode power supply |
06/17/2004 | US20040114400 Method and apparatus for overload-controlling inverter power generation apparatus |
06/17/2004 | US20040114398 Controller for DC to DC converter |
06/17/2004 | US20040113741 Method for making magnetic components with N-phase coupling, and related inductor structures |
06/17/2004 | US20040113600 Switching power supply unit and controller IC thereof |
06/17/2004 | US20040113594 One cycle control continuous conduction mode pfc boost converter integrated circuit with integrated power switch and boost converter |
06/17/2004 | US20040113497 Conserving power of a system on a chip using an alternate power source |
06/17/2004 | DE10253981A1 Device for controlling actuators as in motor vehicle system foil substrates, separates modules of different sizes |
06/16/2004 | EP1429461A1 Switching power supply |
06/16/2004 | EP1428310A1 A converter and a method for controlling a converter |
06/16/2004 | EP1428093A1 Amplifier having a variable power factor |
06/16/2004 | CN1505237A Power supply control method, current-to-voltage conversion circuit and electronic apparatus |
06/15/2004 | US6751109 Dual input AC/DC/ battery operated power supply |
06/15/2004 | US6751108 Power supply input switching circuit improved with regard to line faults |
06/15/2004 | US6751104 Single-stage power factor correction method to reduce energy storage capacitor voltage and circuit for same |
06/11/2004 | CA2452739A1 Switched-mode power supply |
06/10/2004 | WO2004038900A3 Ac-dc power converter having high input power factor and low harmonic distortion |
06/10/2004 | WO2003030359A3 Gate driver apparatus having an energy recovering circuit |
06/10/2004 | US20040109336 Integrated rectifying element |
06/10/2004 | US20040109333 Switching Mode power supply incorporating power line filter |
06/10/2004 | US20040109278 Transformer circuit |
06/10/2004 | US20040108843 Tip having active circuitry |
06/10/2004 | US20040108836 Uniterruptible power supply and its starting method |
06/10/2004 | US20040108773 Capacitor and switch components cooperation to maintain input voltage to target circuit at or above cut-off voltage until power circuit is able to maintain the input voltage |
06/09/2004 | EP1427106A1 A series power switch bridge having the ability of automatic voltage-sharing |
06/09/2004 | EP1427105A2 Pulse width modulator |
06/09/2004 | EP1427091A1 Resonant converter with integrated boost means |
06/09/2004 | DE10351033A1 High voltage half bridge gate driver for MOSFET power transistors has soft disconnection protection step and diagnostic feedback using external power supply and control |
06/09/2004 | CN1503599A Semiconductor device and control method |
06/09/2004 | CN1153331C Power factor corrector circuit for UPS |
06/09/2004 | CN1153330C UPS for improving its transient response time |
06/09/2004 | CN1153329C UPS for widening its input voltage range |
06/09/2004 | CN1153328C UPS capable of improving system parallel current equalizing |
06/08/2004 | US6747880 Self-powered synchronous rectifiers |
06/08/2004 | US6747502 Level shift circuit including a resistor configured to drive a high-withstand-voltage element |
06/08/2004 | US6747458 Method for monitoring the ground potential of a rectifier drive |
06/08/2004 | US6747443 Method and apparatus for trimming current limit and frequency to maintain a constant maximum power |
06/08/2004 | US6747440 Voltage regulator circuit for smart card ICs |
06/08/2004 | US6747373 System and method for coordinated control of a switched power capacitor with an integrated resonance protection system |
06/03/2004 | WO2004047303A1 Protection circuit and method for floating power transfer device |
06/03/2004 | WO2004047289A2 Circuit for providing resistance to single event upset to pulse width modulator integrated circuit |
06/03/2004 | WO2004047278A1 Synchronous rectification switching power supply |
06/03/2004 | WO2004047273A2 Power converter circuitry and method |
06/03/2004 | WO2004047268A2 Power converter circuitry and method |
06/03/2004 | WO2004047261A2 Power converter circuitry and method |
06/03/2004 | WO2004047249A2 Control ic for low power auxiliary supplies |
06/03/2004 | WO2004047225A2 Compact fluid cooled power converter supporting multiple circuit boards |
06/03/2004 | WO2004036755A9 Space vector pwm modulator for permanent magnet motor drive |
06/03/2004 | WO2004027993A3 Converter circuit and control method for same |
06/03/2004 | WO2003034576A3 Method and system for charge pump active gate drive |
06/03/2004 | US20040105285 Power supply control method, current-to-voltage conversion circuit and electronic apparatus |
06/03/2004 | US20040105284 Method and apparatus for current limiting of an output of a DC-to-DC converter |
06/03/2004 | US20040105283 Optimal control of wide conversion ratio switching converters |
06/03/2004 | US20040105282 Power supply with a reduced harmonic load on the mains system , and a corresponding appliance |
06/03/2004 | US20040105200 Inverter apparatus, drive control apparatus, and drive control method |
06/03/2004 | US20040104714 Power source circuit |
06/03/2004 | DE19711771B4 Geregeltes Schaltnetzteil mit Überlastsicherung Controlled switching power supply with overload protection |
06/03/2004 | DE10156939B4 Schaltungsanordnung zum Betreiben einer elektrischenMaschine Circuit arrangement for operating an electrical machine |
06/02/2004 | EP1423915A1 Half-bridge circuit |
06/02/2004 | EP1423905A2 Fault tolerant power supply circuit |
06/02/2004 | CN1502162A Self-oscillating circuit for driving high-side and low-side switching devices with variable width pulses |
06/02/2004 | CN1501574A Switch power supply apparatus and controller IC thereof |
06/02/2004 | CN1501572A Controller for DC to DC converter |
06/02/2004 | CN1501571A Medium voltage frequency transformer for water injection pump |
06/02/2004 | CN1152465C DC power unit with electric arc apparatus |
06/01/2004 | US6744645 Output feedback and under-voltage detection system |
06/01/2004 | US6744644 Soft-start of DC link capacitors for power electronics and drive systems |
06/01/2004 | US6744642 Circuitry for resetting magnetic field of transformer |
06/01/2004 | US6744241 Method for driving a switch in a switch-mode converter, and a drive circuit for driving a switch |
06/01/2004 | US6744222 Discharge lamp lighting apparatus and lamp apparatus |
05/27/2004 | WO2004045057A1 Apparatus and method for turning off bjt used as synchronous rectifier |