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 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/2003
10/16/2003DE10215236C1 Vorrichtung zur induktiven Übertragung elektrischer Energie Device for inductive transmission of electrical energy
10/16/2003CA2481442A1 Device for the inductive transmission of electric power
10/15/2003EP1352464A2 Preconditioner
10/15/2003EP1352463A1 A high efficiency ac-dc converter with power factor corrector
10/15/2003CN2580673Y Three electric level, passive and soft switching type DC transducer circuit
10/15/2003CN1449594A Current mode switching controller
10/15/2003CN1449101A Current driven synchronous rectifier with energy recovery using hysteresis driver
10/15/2003CN1449099A Electric power unit and portable machine containing the same
10/15/2003CN1449098A Method for controlling switching frequency signal and circuit device thereof
10/15/2003CN1449097A On-off regulator having two or more outputs
10/15/2003CN1448820A Control circuit for switching power supply device and switching power supply device used therewith
10/15/2003CN1448819A DC-to-DC converter with fast override feedback control and associated methods
10/15/2003CN1124677C HF voltage-type power converter and its control method
10/15/2003CN1124676C Switching type power supply
10/14/2003US6633494 Low voltage charge pump employing distributed charge boosting
10/14/2003US6633287 Power supply circuit of an electro-optical device, driving circuit of an electro-optical device, method of driving an electro-optical device, electro-optical device, and electronic equipment
10/14/2003US6633093 High voltage pulse generator using a non-linear capacitor
10/09/2003WO2003084042A1 Current driven synchronous rectifier with energy recovery using hysteresis driver
10/09/2003WO2003084040A1 Power supply device comprising several switched-mode power supply units that are connected in parallel
10/09/2003WO2003084039A1 Voltage converter using mos transistors
10/09/2003WO2003084038A2 Multi-phase dc-dc converter with balanced current between modules and different input voltages
10/09/2003WO2003084037A2 Method and apparatus for controlling a synchronous rectifier
10/09/2003WO2003083596A1 Multi-phase buck converter
10/09/2003WO2003083595A1 Voltage regulator arrangement
10/09/2003WO2003044934A3 Dc/dc conversion system
10/09/2003WO2003043170A3 Redox flow battery system and method of operating it
10/09/2003WO2003023945A3 Power converter having regulated dual outputs
10/09/2003WO2002033812A3 Dc-coupling approach for current mode circuits
10/08/2003EP1351373A1 Current driven synchronous rectifier with energy recovery using hysteresis driver
10/08/2003EP1350307A2 Integrated multi-level inverter assembly
10/08/2003EP1350305A1 Step-down converter
10/08/2003EP1055280B1 Self-drive synchronous rectification scheme
10/08/2003CN2579075Y IGCT driving power supply
10/08/2003CN1448005A Circuit arrangement for generating switching signal for current controlled switched mode power supply
10/08/2003CN1447507A Switching power supply
10/08/2003CN1447506A Power circuit and PVVM circuit
10/08/2003CN1447505A DC/DC converter and its method
10/08/2003CN1447504A DC-DC converter having integrated magnetic cell and synchronous rectification
10/08/2003CN1447503A Booster and pick-up device using such booster
10/08/2003CN1124035C Switching mains with operating working mode and spare working mode
10/08/2003CN1123963C Voltage-Oppressed voltage source using partial resonance
10/08/2003CN1123962C Soft switching method for power switching transistor of DC converter and soft-switching DC converter
10/08/2003CN1123961C Double-unit converter
10/08/2003CN1123960C Dual-unit step-up switch converter
10/07/2003US6631082 Switching power supply unit
10/07/2003US6631081 Capacitive high voltage generator
10/07/2003US6631079 Switching power supply apparatus having plural outputs and plural output voltage detection
10/07/2003US6630810 Hybrid vehicle and control method therefor
10/07/2003US6630805 Actively controlled regenerative snubber for unipolar brushless DC motors
10/07/2003US6630799 Resonant power supply and apparatus for producing vacuum arc discharges
10/02/2003WO2003081758A1 Power converter
10/02/2003WO2003081744A1 Device for powering a load
10/02/2003WO2003049267A3 A power converter
10/02/2003WO2003007657A3 Power supply for electrical resistance operated installations and appliances
10/02/2003US20030185271 Remaining lifetime estimating method, temperature detecting structure and electronic equipment
10/02/2003US20030185030 Control circuit for switching power supply device and switching power supply device used therewith
10/02/2003US20030185028 Power supply unit having a soft start functionality and portable apparatus equipped with such power supply unit
10/02/2003US20030185026 DC power supply device with constant power output level
10/02/2003US20030185025 Multiphase DC/DC converter
10/02/2003US20030185024 Offset peak current mode control circuit for multiple-phase power converter
10/02/2003US20030185022 Power circuit of image formation apparatus and method of controlling power source of image formation apparatus
10/02/2003US20030185021 Combined transformer-inductor device for application to DC-to-DC converter with synchronous rectifier
10/02/2003US20030184361 Booster and imaging device using booster
10/02/2003US20030184360 Charge pump for flash memory with serially connected capacitors for preventing breakdown
10/02/2003US20030184270 Power supply rejection technique for switching amplifier
10/02/2003US20030184269 Switching regulator having two or more outputs
10/02/2003US20030184266 Inrush current suppressing device
10/01/2003EP1349264A1 Basic stage for a charge pump circuit
10/01/2003EP1349030A1 Potential generating circuit, potential generating apparatus, semiconductor device using the same, and driving method thereof
10/01/2003EP0901701B1 Synchronous compensator plant
10/01/2003CN2577501Y Harmonic anti exciting converter
10/01/2003CN1445915A Topological method and circuit for isolation converter with soft switches
10/01/2003CN1445914A Symmetrical DC/DC converter
10/01/2003CN1445632A Changeover power source control circuit and changeover power source using it
10/01/2003CN1123217C Apparatus for controlling switching frequency of SMPS transformer for video display appliance
10/01/2003CN1123111C Switchable power unit capable of altering switching frequency with DC voltage
10/01/2003CN1123110C Circuit for generating negative voltages
10/01/2003CN1122957C Liquid crystal display using multiple output DC/DC voltage converter
09/2003
09/30/2003US6628533 DC-to-DC converter providing high current and low voltage
09/30/2003US6628532 Drive circuit for a voltage-controlled switch
09/30/2003US6628252 LED drive circuit
09/30/2003US6628110 Voltage/current controller device, particularly for interleaving switching regulators
09/30/2003US6628109 Integrated low ripple, high frequency power efficient hysteretic controller for dc-dc converters
09/30/2003US6628106 Control method and circuit to provide voltage and current regulation for multiphase DC/DC converters
09/30/2003US6628094 Method and apparatus for canceling ripple current in a lamp
09/30/2003US6628011 DC to DC converter and power management system
09/30/2003US6628010 Parallel power system and an electronic apparatus using the power system
09/25/2003WO2003079530A1 Apparatus and method for control and driving bjt used as controlled rectifier
09/25/2003WO2003079528A1 High power factor switching power source apparatus
09/25/2003WO2003079527A2 Three-terminal, low voltage pulse width modulation controller ic
09/25/2003WO2003079526A2 Cmos digital pulse width modulation controller
09/25/2003WO2003032476A3 Method and device for transforming a direct current voltage, and use of said device
09/25/2003WO2003010875A3 Energy converting device
09/25/2003WO2002099916A3 Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device
09/25/2003US20030179593 Low ripple charge pump
09/25/2003US20030179592 DC/DC converter and method for controlling same
09/25/2003US20030178975 Multi-phase buck converter
09/25/2003US20030178974 Up-down voltage converter circuit and method
09/25/2003US20030178890 Switching converter
09/25/2003US20030178889 System for providing multiple power conversion operations
1 ... 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 ... 545