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)
08/2005
08/11/2005US20050174814 Voltage converter using mos transistor
08/11/2005US20050174813 High efficiency power converter with synchronous rectification
08/11/2005US20050174811 Converter with integrated
08/11/2005US20050174810 Power converter
08/11/2005US20050174809 Power converter
08/11/2005US20050174709 Method and apparatus for adjusting a load
08/11/2005US20050174369 Ink jet recording apparatus
08/11/2005US20050174163 MOS charge pump
08/11/2005US20050174162 Configurable voltage generator
08/11/2005US20050174098 DC/DC converter and program
08/11/2005US20050174097 DC/DC converter and program
08/11/2005US20050174095 Photoflash capacitor charger and method thereof
08/11/2005US20050173989 Selectable DC output power converter with voltage level indicating device
08/11/2005US20050173615 Dc-dc converter
08/11/2005DE4415940B4 Vorrichtung und Verfahren zur Sicherheitssteuerung mit analogem Leistungsausgang Apparatus and method for safety control with analog power output
08/11/2005DE19916915B4 Schaltnetzteil und Verfahren zur Ermittlung der Versorgungsspannung in einem Schaltnetzteil Switching power supply and method for determining the supply voltage in a switching power supply
08/11/2005DE102004003974A1 Modul und Verfahren zum Verändern der Drehzahl eines Motors Module and method for varying the speed of a motor
08/11/2005DE102004001879A1 Operating method for a step-up chopper for increasing output voltage compared to input voltage uses a choke and a controlled switch element for turning a switching current on and off via the choke
08/11/2005CA2547711A1 Method and device for supplying a charge with electrical energy recovery
08/10/2005EP1562279A2 DC/DC converter and program
08/10/2005EP1562278A2 DC/DC converter and program
08/10/2005EP1562274A2 A power storage apparatus, a fixing apparatus, and an image formation apparatus
08/10/2005EP1562204A2 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
08/10/2005CN2716881Y Boosting stabilized voltage power supply with low temperature-excursion and high precision
08/10/2005CN1653677A Charge pump
08/10/2005CN1653670A Single stage power converter for contact-less energy transfer
08/10/2005CN1652442A Booster circuit capable of switching between a conventional mode and a low consumption current mode
08/10/2005CN1651742A Integrated bivoltage electromagnet valve driven circuit
08/10/2005CN1213883C Hybrid drive system
08/09/2005US6928010 Semiconductor integrated circuit device capable of tuning of internal power supply voltages generated by a plurality of internal power generating circuits
08/09/2005US6927989 DC-AC converter and controller IC for the same
08/09/2005US6927987 Half-bridge isolation stage topologies
08/09/2005US6927986 Power supply and PWM circuits
08/09/2005US6927985 High voltage generator
08/09/2005US6927955 Apparatus and method of detecting ground fault in power conversion system
08/09/2005US6927620 Semiconductor device having a boosting circuit to suppress current consumption
08/09/2005US6927607 Inverter driver and method
08/09/2005US6927556 Switching power supply apparatus
08/09/2005US6927539 Device and method for operating a high pressure discharge lamp
08/09/2005US6927442 Charge pump device
08/09/2005US6927441 Variable stage charge pump
08/04/2005WO2005071891A1 Local area network featuring transmitter-free signal transmission
08/04/2005WO2005071823A1 Module and method for varying the speed of a motor
08/04/2005US20050169024 Controller for a power converter and a method of controlling a switch thereof
08/04/2005US20050169023 Switching power supply using controlled negative feedback in series with a switching device and responsive to the voltage and/or current to a load
08/04/2005US20050169022 Power supply circuit and power supply control method therein
08/04/2005US20050169021 Charge pump circuit and power supply circuit
08/04/2005US20050169020 Power supply for use in an electronic energy meter
08/04/2005US20050169019 Switching power supply apparatus
08/04/2005US20050169017 Methods for digital regulation of power converters using primary-only feedback
08/04/2005US20050168890 Method & apparatus for transient suppressing high-bandwidth voltage regulation
08/04/2005US20050168267 Charge pump with fibonacci number multiplication
08/04/2005US20050168266 High voltage generating circuit and semiconductor memory device having the same
08/04/2005US20050168265 Power supply circuit for oscillator of semiconductor memory device and voltage pumping device using the same
08/04/2005US20050168263 Semiconductor device and driving method of semiconductor device
08/04/2005US20050168249 Mechanism for providing over-voltage protection during power up of DC-DC converter
08/04/2005US20050168206 Bootstrap capacitor refresh circuit
08/04/2005US20050168205 Controller for a power converter and a method of controlling a switch thereof
08/04/2005US20050168203 Driver for a power converter and a method of driving a switch thereof
08/04/2005US20050168202 Method and apparatus for reducing audio noise in a switching regulator
08/04/2005US20050168199 DC-to-DC converter
08/04/2005US20050168198 Predictive digital current controllers for switching power converters
08/04/2005US20050168163 Power source device
08/04/2005US20050168160 Protection device for a chopping supply and a vehicle lighting device
08/04/2005US20050168101 Mechanical self-reciprocating oscillator and mechanism and a method for establishing and maintaining regular back and forth movement of a micromachined device without the aid of any electronic components
08/04/2005US20050168087 Switching power supply circuit
08/04/2005US20050167742 Power semiconductor devices and methods of manufacture
08/04/2005US20050167529 Applicator and nozzle for dispensing controlled patterns of liquid material
08/04/2005DE10357537A1 Circuit for generating an auxiliary voltage such as for use in a pre-switch for high pressure discharge lamps with a regulator connecting a control input with a bootstrap capacitor
08/03/2005EP1560474A2 Protection circuit for a switched mode power suplly and lighting device for a vehicle
08/03/2005EP1560323A1 Dc converter
08/03/2005EP1560322A1 Method for actuating a switch in a transformer stage of a multiphase DC voltage transformer, and the multiphase DC voltage transformer
08/03/2005EP1560321A2 Power supply circuit and power supply control method therein
08/03/2005EP1559187A1 Dc/dc converter using bipolar transistor, method of manufacturing the same and dc power supply module using the same
08/03/2005EP1559186A2 Variable charge pump circuit with dynamic load
08/03/2005EP1559185A1 Stepping inductor for fast transient response of switching converter
08/03/2005EP1514163A4 Multimode voltage regulator
08/03/2005CN1650506A AC-DC converters with bi-directional thyristor valves
08/03/2005CN1650504A Switched-mode power supply arrangement
08/03/2005CN1650241A Synchronous buck converter improvements
08/03/2005CN1649465A Simplified topology for hid lamps
08/03/2005CN1649246A DC/DC converter
08/03/2005CN1649245A High output voltage transfer device
08/03/2005CN1649229A Power supply circuit and power supply control method therein
08/03/2005CN1213436C Semiconductor storage working at low power consumption
08/03/2005CN1213391C Plasma display
08/02/2005US6924990 Power supply arrangements
08/02/2005US6924633 Pulse width modulation controller with double pulse immunity
08/02/2005US6924632 Frequency/signal converter and switching regulator having such a converter
08/02/2005US6924630 Buck-boost power factory correction circuit
08/02/2005US6924626 Bootstrap capacitor charge circuit with limited charge current
08/02/2005CA2362062C Self oscillating power converter circuit
07/2005
07/28/2005WO2005069476A1 Electric power converting apparatus
07/28/2005WO2005069469A1 Dc-dc converter
07/28/2005WO2005067382A2 Isolator for controlled power supply
07/28/2005WO2005043731A3 Startup circuit for a dc-dc converter
07/28/2005WO2005006524A8 Voltage converter
07/28/2005WO2004084390A3 Voltage set point control scheme
07/28/2005US20050162876 DC motor driving method for reducing adverse RF interferences and application to a vehicle lighting or signalling device
07/28/2005US20050162874 Switching power supply apparatus
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