| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 04/15/2009 | CN100479305C Protection circuit enabling a load to withstand a transient power supply failure |
| 04/15/2009 | CN100479304C Device for the power factor correction in forced switching power supply units |
| 04/14/2009 | US7518894 Distributed power supply system having reassignable master |
| 04/14/2009 | US7518893 Method for operation of a converter circuit, as well as an apparatus for carrying out the method |
| 04/14/2009 | US7518889 Method and apparatus for conditional response to a fault condition in a switching power supply |
| 04/14/2009 | US7518888 Control circuit and method for a fly-back voltage converter |
| 04/14/2009 | US7518886 Multiphase soft switched DC/DC converter and active control technique for fuel cell ripple current elimination |
| 04/14/2009 | US7518885 Method and apparatus for a control circuit with multiple operation modes |
| 04/14/2009 | US7518430 Mechanism for providing over-voltage protection during power up of DC-DC converter |
| 04/14/2009 | US7518352 Bootstrap clamping circuit for DC/DC regulators and method thereof |
| 04/14/2009 | US7518267 Power adapter for a remote device |
| 04/14/2009 | US7518263 Time delay control scheme for a power supply with multiple outputs |
| 04/14/2009 | CA2524523C Booster-powered valve system |
| 04/09/2009 | WO2009010802A3 Forward power converters |
| 04/09/2009 | WO2008012799A3 Wide input range power supply |
| 04/09/2009 | WO2005077041A3 Power converter |
| 04/09/2009 | US20090091953 Compensating for inductance variation in a power converter using a dual-purpose feedback pin |
| 04/09/2009 | US20090091952 Dc-dc converter |
| 04/09/2009 | US20090091951 Control circuit for synchronous rectifying and soft switching of power converters |
| 04/09/2009 | US20090091950 Power converting circuit with open load protection function |
| 04/09/2009 | US20090091309 Off-line converter with digital control |
| 04/09/2009 | US20090091188 Method and Apparatus for Conserving Energy Stored in Bypass Capacitors During Dynamic Power Collapse |
| 04/09/2009 | DE102007047725A1 Electronic device, has control stage for controlling switched voltage converter in response to error signal such that converter supplies preset average current, and light-emitting semiconductor device coupled with output node |
| 04/09/2009 | DE102007046940A1 Rectifier circuit e.g. MOSFET bridge rectifier circuit, has two transistors e.g. n-channel MOSFETs, connected with alternating voltage source connections by alternating voltage potentials, respectively |
| 04/09/2009 | CA2698566A1 Multiphase inductive power supply system |
| 04/08/2009 | EP2045904A2 Motor driving apparatus |
| 04/08/2009 | EP2045903A2 DC-DC converter |
| 04/08/2009 | EP2045902A1 Power supply device |
| 04/08/2009 | EP2044679A2 Electric circuit for powering a control module comprising two powering modes |
| 04/08/2009 | EP2044586A2 Liquid crystal display bias generator |
| 04/08/2009 | EP1240707B1 Variable frequency electric signal generator, automatic control and low cost computing means |
| 04/08/2009 | EP1092260B1 Circuit for correcting the power factor |
| 04/08/2009 | CN201219239Y Low power-input high-power-output start power supply |
| 04/08/2009 | CN201219238Y Electricity saving device of power supply |
| 04/08/2009 | CN101404455A Three terminal type power switch power supply circuit |
| 04/08/2009 | CN101404454A Magnetic component integrated active clamp positive and negative laser converter |
| 04/08/2009 | CN101404453A Anti-interference switch stabilized voltage supply |
| 04/08/2009 | CN101404452A Control circuit of electric power converter |
| 04/08/2009 | CN101404451A Topological structure of bidirectional L type DC-DC converter |
| 04/08/2009 | CN101404450A Voltage converter and computer-readable recording medium for recording program for making computer execute control for converting voltage in voltage converter |
| 04/08/2009 | CN101404449A Voltage converter and computer-readable recording medium for recording program for making computer execute control for converting voltage in voltage converter |
| 04/08/2009 | CN101404448A DC-DC converter |
| 04/08/2009 | CN101404447A Soft switch BUCK converter and its design method |
| 04/08/2009 | CN101404443A Pulse-width modulator and boosting type converter employing the same |
| 04/08/2009 | CN100477878C Power supply circuit especially for discharge lamp |
| 04/08/2009 | CN100477653C Binary frequency-shift key-controlled demodulator and frequency voltage conversion circuit |
| 04/08/2009 | CN100477471C Single stage, bi-directional voltage increase and decrease DC converter type ring joint inverter in high frequency |
| 04/08/2009 | CN100477470C Single stage bidirectional voltage boosting dc converter type annulus inverter in high frequency |
| 04/08/2009 | CN100477468C DC/AC converter and controller IC thereof |
| 04/08/2009 | CN100477466C Method and circuit for limiting output voltage in a switched-mode power supply, and a switched-mode power supply |
| 04/08/2009 | CN100477465C Dc-dc converter |
| 04/08/2009 | CN100477464C Power supply |
| 04/08/2009 | CN100477463C Power supply circuit for liquid crystal display |
| 04/08/2009 | CN100477462C Dc-dc conveter and organic light emitting display using the same |
| 04/08/2009 | CN100477461C Power supply voltage converting circuit, method for controlling the same, display device, and mobile terminal |
| 04/08/2009 | CN100477460C DC/DC converter with inductor current sensing capability |
| 04/08/2009 | CN100477459C Boosting type converter |
| 04/08/2009 | CN100477441C Electric power device |
| 04/08/2009 | CN100476674C Regulator protection circuit and power supply device comprising same |
| 04/08/2009 | CN100476672C High precision digital-to-analog converter with optimized power consumption |
| 04/08/2009 | CN100476607C Power supply apparatus, and image forming apparatus having the same |
| 04/07/2009 | US7515725 Electronic battery-powered hearing instrument, and method for operating such a hearing instrument |
| 04/07/2009 | US7515446 High-efficiency adaptive DC/AC converter |
| 04/07/2009 | US7515445 High-efficiency adaptive DC/AC converter |
| 04/07/2009 | US7515442 Secondary side controller and method therefor |
| 04/07/2009 | US7515441 Switching power supply |
| 04/07/2009 | US7515440 Method and apparatus for output voltage regulation in primary control switched mode power supplies |
| 04/07/2009 | US7515439 Low voltage stress power converter |
| 04/07/2009 | US7515393 Voltage regulator |
| 04/07/2009 | US7515050 Very high frequency passive transponder, in UHF frequency band, with active voltage multiplier or booster at the entry of its logic circuit |
| 04/07/2009 | US7514913 Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction |
| 04/07/2009 | US7514911 Voltage regulator feedback protection method and apparatus |
| 04/07/2009 | US7514908 Switching power supply device and a semiconductor integrated circuit |
| 04/07/2009 | US7513323 DC-voltage vehicle electrical system |
| 04/07/2009 | CA2326641C Autocontrol synchronous rectifier |
| 04/02/2009 | WO2009042704A1 Switch mode power supply (smps) and methods thereof |
| 04/02/2009 | WO2009042419A2 Voltage/current control apparatus and method |
| 04/02/2009 | WO2009041326A1 Voltage conversion circuit |
| 04/02/2009 | WO2009040340A1 Single inductor power supply system with extremely high psrr for dual supply active matrix oled displays |
| 04/02/2009 | WO2009039887A1 Dc control unit for controlling an input voltage in a photovoltaic system |
| 04/02/2009 | WO2009039733A1 Direct current converter power supply apparatus and method for improving direct current converter power supply apparatus |
| 04/02/2009 | WO2009039684A1 Dynamic drive of switching transistor of switching power converter |
| 04/02/2009 | US20090086514 Method and apparatus for providing power conversion using an interleaved flyback converter with automatic balancing |
| 04/02/2009 | US20090086513 Control method and device for switching power supplies |
| 04/02/2009 | US20090086512 Driving a primary-side switch and a secondary-side rectifier element in a switching converter |
| 04/02/2009 | US20090086511 Converter circuit with pulse width frequency modulation and method thereof |
| 04/02/2009 | US20090085615 Method and apparatus for simplifying the control of a switch |
| 04/02/2009 | US20090085547 Switching Power Supply Unit |
| 04/02/2009 | US20090085404 Co-generated power supply system |
| 04/02/2009 | DE102007045220A1 Multi-phase balancing controller e.g. proportional integral controller, for controlling e.g. direct current to direct current converter system, has phase controls adjusting variation of streams of slave-phase to streams of master phase |
| 04/01/2009 | EP2043265A1 Integrated circuit oscillator with improved frequency stability |
| 04/01/2009 | EP2043246A2 Method and apparatus for providing power conversion using an interleaved flyback converter with automatic balancing |
| 04/01/2009 | EP2043245A2 Switching power supply |
| 04/01/2009 | EP2043244A1 Power supply system, vehicle using the same, accumulator temperature increase control method, and computer-readable recording medium containing a program for causing a computer to execute the accumulator temperature increase control |
| 04/01/2009 | EP2043243A1 Converter switching mechanism and method for operating such a converter switching mechanism |
| 04/01/2009 | EP2041862A1 Electric power source system and method for the same |
| 04/01/2009 | EP1216495B1 Voltage control circuitry for charging output capacitor |
| 04/01/2009 | CN201215927Y Construction for electricity power supply |
| 04/01/2009 | CN201214378Y Control device for locomotive power supply cabinet |
| 04/01/2009 | CN101401489A Switch-off time regulator for an inverter for driving a lamp |