Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 1 - Details of apparatus for conversion
Patents for H02M 1 - Details of apparatus for conversion (33,954)
11/2003
11/20/2003WO2003034387A3 Method and clamping apparatus for securing a minimum reference voltage in a video display boost regulator
11/20/2003WO2003026377A3 Ac/dc charger for mobile phone
11/20/2003US20030214825 System for and method of controlling standby power
11/20/2003US20030214770 Method and circuit arrangement with adaptive overload protection for power switching devices
11/20/2003US20030214609 Power supply device of video display apparatus and method thereof
11/20/2003DE20303462U1 Stepless control for electric motors with alternating current power supply has sets of antiparallel GTO or IGBT transistors, with inductances and capacitors
11/19/2003EP1363385A1 Zero-cross detection method of the current flowing in an inductor driven in switched mode and a relative driving circuit
11/19/2003EP1362402A2 Power conversion apparatus, power conversion system, and islanding operation detection method
11/19/2003EP1254504B1 Method for starting a switching power supply and a switching power supply comprising a starting circuit
11/19/2003CN1457546A Start-up circuit for switched mode power supply
11/19/2003CN1457545A 电源装置 Power supply unit
11/19/2003CN1457148A Driver
11/19/2003CN1457139A Stabilized voltage swtich supply with overpressure output protective circuit and electronic device
11/19/2003CN1457138A Angle differential transformer
11/19/2003CN1457127A Active power filtering method with inversing capacitor regulation and branch impendance controlled decoupling
11/19/2003CN1128498C Thyristor power-regulating system for temperature control system of heating equipment
11/19/2003CN1128497C Pulse with modulation control equipment
11/18/2003US6650560 Dual input AC and DC power supply having a programmable DC output utilizing single-loop optical feedback
11/18/2003US6650554 Power factor corrector with efficient ripple attenuator
11/18/2003US6650553 Isolated switching power supply having volt-second clamping circuit
11/18/2003US6650551 ZVS/ZVT resonant choke with voltage clamp winding
11/18/2003US6650550 Synchronous rectifier self gate drive for zero voltage switching power conversion circuits
11/18/2003US6650169 Gate driver apparatus having an energy recovering circuit
11/18/2003US6650092 System and method for regulating a power system with feedback using current sensing
11/13/2003WO2003094333A1 Switching type power converter circuit and method for use therein
11/13/2003WO2003094330A1 Active common mode emi filters
11/13/2003WO2003063329A3 Power converter having improved emi shielding
11/13/2003WO2002060044A8 Power apparatus
11/13/2003US20030210563 Active common mode EMI filters
11/13/2003US20030210509 Semiconductor switching device
11/13/2003US20030210088 Integrated circuit
11/13/2003US20030210087 Integrated circuit
11/13/2003US20030210081 Driving device having dummy circuit
11/13/2003US20030210024 High efficiency AC-DC converter with power factor corrector
11/13/2003US20030210021 Switch mode power supply and driving method for efficient RF amplification
11/13/2003US20030210019 Softing switching DC-to-DC converter with an active power sink circuit
11/13/2003US20030210007 Input power control device
11/13/2003US20030209998 Circuit arrangement for operating discharge lamps
11/12/2003EP1361781A1 Electronic ballast for operating discharge lamps
11/12/2003EP1360763A2 Integrated fet and driver
11/12/2003EP1360756A2 Switching fet circuit
11/12/2003EP1360755A2 Synchronous dc-dc converter
11/12/2003EP1018207B1 Switched-mode power supply device with a starting circuit
11/12/2003CN1456027A Sequential burst mode activation circuit
11/12/2003CN1455982A High-efficiency AC-DC converter with power factor corrector
11/11/2003US6646848 Switching power supply apparatus
11/11/2003US6646837 Active ground current reduction device
11/07/2003CA2428295A1 Circuit arrangement for operating discharge lamps
11/06/2003WO2003092148A1 Switched-mode power supply arrangement
11/06/2003WO2003092145A1 System and method for providing power factor correction
11/06/2003WO2003058791A3 Active emi filter with feed forward cancellation
11/06/2003WO2003055049A3 Self-regulated cooling system for switching power supplies using parasitic effects of switching
11/06/2003US20030206423 3-level inverter apparatus
11/06/2003US20030206422 Precision switching power amplifier comprising instantaneously interruptible power source
11/06/2003US20030206047 Power integrated circuit with distributed gate driver
11/06/2003US20030206040 Semiconductor device
11/06/2003US20030206039 Semiconductor device
11/06/2003US20030205990 Circuits and circuit elements for high efficiency power conversion
11/06/2003US20030205975 Drive circuit for brushless DC fan motor
11/05/2003EP1358709A2 Half-bridge gate driver circuit
11/05/2003CN2585536Y Structure of power supply means
11/05/2003CN1454407A Lossless switching Dc-to-Dc converter
11/05/2003CN1453928A Synchronous rectification circuit for flyback converter
11/05/2003CN1127195C Tracking electric active filter
11/04/2003US6643158 Dual input AC/DC to programmable DC output converter
11/04/2003US6643153 Method and apparatus providing a multi-function terminal for a power supply controller
11/04/2003US6643152 DC power supply device
11/04/2003US6642672 Integrated filter with common-mode and differential-mode functions
11/04/2003US6642634 Vertical ramp wave generating circuit
11/04/2003US6642630 Multi-output switching power source circuit
10/2003
10/30/2003WO2003090335A1 Circuit arrangement with power factor correction, and corresponding appliance
10/30/2003US20030202368 System and method for providing power factor correction
10/30/2003US20030202297 Three-in-one protection circuit against out-rush current, short circuit and overload
10/30/2003US20030201674 DC to DC converter and power management system
10/30/2003US20030201516 Semiconductor power conversion apparatus
10/30/2003CA2482976A1 Circuit arrangement with power factor correction, and corresponding appliance
10/29/2003EP1357661A2 Circuit design for variable application of an input voltage to a circuit
10/29/2003EP1357601A2 Power integrated circuit with distributed gate driver
10/29/2003EP1356575A2 Isolated drive circuitry used in switch-mode power converters
10/29/2003CN1452807A 同步发电机 Synchronous generator
10/29/2003CN1452806A 有功功率因数校正 Active Power Factor Correction
10/29/2003CN1452309A Multifunctional electric energy converter
10/29/2003CN1452308A Environment protection switch power supply
10/29/2003CN1452305A Electric power semiconductor device
10/29/2003CN1126239C Protection circuit for switch and switch type electric source
10/29/2003CN1126237C Device for by passing corrent ripple of inductor
10/29/2003CN1126236C Voltage balancer circuit for power converter
10/28/2003US6639947 EMI reduction for isolated bus systems
10/28/2003US6639815 Precision switching power amplifier comprising instantaneously interruptible power source
10/28/2003US6639767 Semiconductor switching devices
10/28/2003US6639483 Pulse width modulation integrated circuit chip
10/28/2003US6638808 Method of manufacturing gate driver with level shift circuit
10/23/2003WO2003088468A1 Multifunction power convertor
10/23/2003WO2003088463A1 Green switch power supply with standby function and its ic
10/23/2003WO2003030364A3 Control device
10/23/2003US20030198066 Switching power supply
10/23/2003US20030197998 Power supply filtering
10/23/2003US20030197994 Method and apparatus for fault condition protection of a switched mode power supply
10/23/2003US20030197533 Gate driver for MOS control semiconductor devices
10/23/2003US20030197425 Dual input voltage adapter system and method
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