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)
09/2005
09/01/2005US20050191043 Motor driving apparatus, digital camera, and motor controlling method
09/01/2005US20050190613 Voltage boosting circuit and method
09/01/2005US20050190583 Soft-switching half-bridge inverter power supply system
09/01/2005US20050190582 Active clamp DC/DC converter with resonant transition system
09/01/2005US20050190581 Controller for power converter
09/01/2005US20050190523 Bi-directional pin or nip low capacitance transient voltage suppressors and steering diodes
09/01/2005US20050190514 Device for protecting I/O lines using PIN or NIP conducting low capacitance transient voltage suppressors and steering diodes
09/01/2005US20050189984 Power supply circuit
09/01/2005US20050189983 High precision digital-to-analog converter with optimized power consumption
09/01/2005US20050189982 Regulated charge pump with digital resistance control
09/01/2005US20050189933 Hybrid digital-analog switched power supply
09/01/2005US20050189931 Power supply unit and portable apparatus using the same
09/01/2005US20050189822 Power source apparatus and vehicular lamp
09/01/2005US20050189821 Semiconductor apparatus for controlling a switching power supply
09/01/2005US20050189619 PIN or NIP low capacitance transient voltage suppressors and steering diodes
09/01/2005US20050189566 Switching power-supply module
09/01/2005DE10392939T5 System zur Steuerung eines 12/42 Volt Gleichstrombürstenmotors System for controlling a 12/42 volt DC brush motor
09/01/2005DE102004007620A1 Vorladeschaltkreis für die Inbetriebnahme eines DC-DC-Wandlers zur Spannungserhöhung Pre-charge circuit for the commissioning of a DC-DC converter to increase the voltage
09/01/2005DE10031188B4 Schaltnetzteil mit einer Funktionalität zur Erkennung einer unterbrochenen Rückkopplungsschleife Switching power supply with a functionality to detect a broken feedback loop
08/2005
08/31/2005EP1569324A1 Drive apparatus, control method and program storage medium for the drive apparatus, and power output apparatus
08/31/2005EP1569323A2 Dynamically optimized power converter
08/31/2005EP1569068A1 Configurable power supply for removable hard disk drive
08/31/2005EP1568136A1 Integrated floating power transfer device with logic level control and method
08/31/2005EP1568135A1 Integrated floating power transfer device with electromagnetic emission control circuit and method
08/31/2005EP1568132A1 Driver for switching circuit and drive method
08/31/2005EP1568121A1 Feedback circuit for power switching circuit
08/31/2005EP1568044A2 Power converter circuitry and method
08/31/2005EP1568007A1 Multi output dc/dc converter for liquid crystal display device
08/31/2005EP1247328B1 Power converter with remote and local sensing feedback signals combined in a high-order constant-sum filter
08/31/2005EP1161764B1 An arrangement in a power unit for a grid pulsed o-type microwave tube
08/31/2005CN2722497Y Operating power supply of magnetron for micro-oven
08/31/2005CN1663103A DC/AC converter and its controller IC
08/31/2005CN1663093A Power supply system and apparatus
08/31/2005CN1661898A Semiconductor apparatus for controlling a switching power supply
08/31/2005CN1661897A Switching regulator and image forming apparatus and its control method
08/31/2005CN1661896A Multiphase converter with zero voltage switching
08/31/2005CN1661895A Configurable power supply for removable hard disk drive
08/31/2005CN1661894A Power supply circuit
08/31/2005CN1661893A High performance charge pump of preventing countercurrent
08/31/2005CN1661655A Active matrix type semiconductor device
08/31/2005CN1661427A Power supply circuit and display system
08/31/2005CN1217473C Method for controlling switching frequency signal and circuit device thereof
08/30/2005US6937517 Clock regulation scheme for varying loads
08/30/2005US6937490 Dual input AC and DC power supply having a programmable DC output utilizing a modular programmable feedback loop
08/30/2005US6937487 Apparatus and method for a voltage booster with improved voltage regulator efficiency
08/30/2005US6937486 Methods and controllers for suppressing DC magnetic deflection of transformer
08/30/2005US6937484 Inverter controlled generator apparatus
08/30/2005US6937483 Device and method of commutation control for an isolated boost converter
08/30/2005US6937088 Potential generating circuit capable of correctly controlling output potential
08/30/2005US6937000 Cross regulation and methods for controlling boost converter
08/30/2005US6936997 Method of forming a high efficiency power controller
08/30/2005US6936947 Turbo generator plant with a high voltage electric generator
08/25/2005WO2005078916A1 Programmable radio transceiver
08/25/2005WO2005078911A1 Switching mode power supply
08/25/2005WO2005078910A1 Switching power supply apparatus and mobile device
08/25/2005WO2005077097A2 Controller for power converter
08/25/2005WO2005076862A2 Mos charge pump
08/25/2005US20050188233 Integrated circuit devices that support dynamic voltage scaling of power supply voltages
08/25/2005US20050185746 Differential charge pump
08/25/2005US20050185469 Reverse voltage generation circuit
08/25/2005US20050185431 DC/DC converter
08/25/2005US20050185430 Adaptively configured and autoranging voltage transformation module arrays
08/25/2005US20050185429 Adaptively configured voltage transformation module array
08/25/2005US20050185428 Efficient fast pulsed laser or light-emitting diode driver
08/25/2005US20050185427 384X-based burst mode PWM controller
08/25/2005US20050185426 Apparatus and method for presenting a linear capacitive output in response to a voltage input
08/25/2005US20050185425 Flyback converter for performing a zero volatage switch in boundary mode
08/25/2005US20050184943 Power supply voltage converting circuit, control method thereof, display apparatus, and portable terminal
08/25/2005US20050184942 Power supply voltage converting circuit, control method thereof, display apparatus, and portable terminal
08/25/2005US20050184795 Boosting circuit and semiconductor device using the same
08/25/2005US20050184778 Apparatus and method for increasing the performance of a clock-based digital pulse width modulation generator
08/25/2005US20050184717 DC-DC regulator with switching frequency responsive to load
08/25/2005US20050184713 Two-stage voltage regulators with adjustable intermediate bus voltage, adjustable switching frequency, and adjustable number of active phases
08/25/2005US20050184712 Adaptive bus voltage positioning for two-stage voltage regulators
08/25/2005US20050184711 Low dropout voltage regulator
08/25/2005US20050184707 Capacitor charge sharing charge pump
08/25/2005US20050184590 Redundant input power system
08/25/2005US20050184588 Power supply unit and lighting device for vehicle
08/25/2005DE20221373U1 Inverter for welding devices comprises two asymmetric high bridge circuits which alternately drive two separate primary coils of a main transformer
08/25/2005DE102004057771A1 Inrush current prevention circuit for DC-DC converter, has on-off circuit that transmits or isolates modulation signal to switching unit based on control signal from electronic control unit, during power input
08/24/2005EP1565982A2 Power converter circuitry and method
08/24/2005EP1565981A1 Protection circuit and method for floating power transfer device
08/24/2005EP1565980A2 Power converter circuitry and method
08/24/2005EP1565979A1 Auxiliary power supply
08/24/2005EP1565976A2 Power converter circuitry and method
08/24/2005CN2720717Y Converter with automatic switching-over pulse width/frequency modulation mode
08/24/2005CN1659930A Autonomous solid state lighting system
08/24/2005CN1659774A Electric load device, abnormally handling method, and computer-readable recordinging medium storing therein program for causing computer to execute electric load abnormality handling
08/24/2005CN1659773A Dc-dc-converter
08/24/2005CN1659772A Dc-dc converter
08/24/2005CN1659771A Dc-dc converter
08/24/2005CN1659759A Charger for rechargeable batteries
08/24/2005CN1659758A Charger for rechargeable batteries
08/24/2005CN1658484A Reverse voltage generation circuit
08/24/2005CN1216451C Dc / dc变换器 Dc / dc converter
08/24/2005CN1216450C Power supply for generating positive and negative voltage
08/24/2005CN1216355C Power supply circuit for display device, control method thereof, display device and electronic apparatus
08/24/2005CA2459074A1 Stand alone solar/double layer capacitor power system
08/23/2005USRE38780 Current mode DC/DC converter with controlled output impedance
08/23/2005US6934187 Programmable soft-start control for charge pump
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