| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 05/20/2009 | DE20024005U1 Elektronischer Transformator Electronic transformer |
| 05/20/2009 | DE102008034357A1 Spannungsverbindungssteuerung eines DC/AC-Aufwärts-Wandlersystems Voltage connection control of a DC / AC step-up converter system |
| 05/20/2009 | CN201243220Y Simple charging circuit for mobile phone battery through hand generator |
| 05/20/2009 | CN201243217Y Mobile phone battery and mobile phone containing the same |
| 05/20/2009 | CN201243215Y Bidirectional power supply source circuit for iron battery mobile phone |
| 05/20/2009 | CN201239844Y Novel soft switch inversion type carbon dioxide gas protecting welder |
| 05/20/2009 | CN101438479A Power supply system |
| 05/20/2009 | CN101436833A Method and system to convert direct current (DC) to alternating current (AC) using a photovoltaic inverter |
| 05/20/2009 | CN101436830A Power supply device and protection method thereof |
| 05/20/2009 | CN101436829A Power factor improving circuit |
| 05/20/2009 | CN101436828A Power factor improving circuit |
| 05/20/2009 | CN101436827A Conversion circuit for DC voltage effective value |
| 05/20/2009 | CN101436826A Fast transient step load response in a power converter |
| 05/20/2009 | CN101436825A Multiple-stage charge pump |
| 05/20/2009 | CN101436824A Limiting circuit and method for providing fine average current for switching adjustor |
| 05/20/2009 | CN101436821A PWM/PDM double-mode modulation selective circuit and double-mode modulation method |
| 05/20/2009 | CN100490287C Switching power supply and its control circuit, and electronic apparatus employing such switching power supply |
| 05/20/2009 | CN100490286C Method for regulating power converter output signal, power converter and its amplifier |
| 05/20/2009 | CN100490285C Switching regulator |
| 05/20/2009 | CN100490284C Power factor improving converter and control method thereof |
| 05/20/2009 | CN100490283C Unisolated switch DC-DC power supply module, power supply device and communication device |
| 05/20/2009 | CN100490282C Transducer circuit power supply method and transducer |
| 05/20/2009 | CN100490281C Switching regulator control circuit and switching regulator |
| 05/20/2009 | CN100490270C Power supplying apparatus and power supplying method |
| 05/20/2009 | CN100489723C Method for forming efficient power controller |
| 05/19/2009 | US7535736 Switching power supply for reducing external parts for overcurrent protection |
| 05/19/2009 | US7535735 Compensation for parameter variations in a feedback circuit |
| 05/19/2009 | US7535734 High power-factor AC/DC converter with parallel power processing |
| 05/19/2009 | US7535733 Method of controlling DC-to-DC converter whereby switching control sequence applied to switching elements suppresses voltage surges at timings of switch-off of switching elements |
| 05/19/2009 | US7535206 Synchronous rectifying type switching regulator control circuit and semiconductor integrated circuit including the same |
| 05/19/2009 | US7535124 Voltage stabilizer |
| 05/19/2009 | US7535121 High voltage power supply apparatus and method of correcting current output from the apparatus |
| 05/14/2009 | WO2009060807A2 Controller for power converter circuit |
| 05/14/2009 | WO2009060806A2 Controller for power converter circuit |
| 05/14/2009 | WO2009060699A1 Operation control method of charge pump circuit |
| 05/14/2009 | WO2009060521A1 Switching power supply, control circuit for controlling switching power supply, control method of switching power supply and module substrate |
| 05/14/2009 | WO2009060400A1 Power supply circuit |
| 05/14/2009 | WO2009060098A2 Low power controller for dc to dc converters |
| 05/14/2009 | WO2009059646A1 Auxiliary power supply for stand-by operation |
| 05/14/2009 | WO2009059527A1 A generating device of reference electrical source and a voltage output control device of electrical source |
| 05/14/2009 | WO2009059459A1 A power regulator system with current limit independent of duty cycle and its regulation method |
| 05/14/2009 | WO2009059458A1 A power regulation system with overvoltage protection independent of output voltage and its protection method |
| 05/14/2009 | US20090122581 Alternating current power supply device and integrated circuit for alternating current power supply device |
| 05/14/2009 | US20090122579 Mixed flyback-forward topology converter with reduced ripple current |
| 05/14/2009 | US20090122578 Duty Cycle Dependent Non-Linear Slope Compensation For Improved Dynamic Response |
| 05/14/2009 | US20090121642 Organic Light Emitting Diode Driver |
| 05/14/2009 | DE102006029475B4 Effiziente Einschaltstrom-Begrenzungsschaltung mit bidirektionellen Doppelgate-HEMT-Bauteilen Efficient inrush current limiting circuit with bidirectional dual-gate HEMT devices |
| 05/13/2009 | EP2059096A1 Piezoelectric transformer light adjusting noise reduction circuit |
| 05/13/2009 | EP2058931A2 Power supply circuit |
| 05/13/2009 | EP2058930A1 Mixed flyback-forward topology converter with reduced ripple current. |
| 05/13/2009 | EP1371127A4 Lossless switching dc-to-dc converter |
| 05/13/2009 | EP1084531B1 Bi-directional ac/dc voltage regulator |
| 05/13/2009 | CN201238268Y Standby power supply system with low-power consumption |
| 05/13/2009 | CN201238265Y Flyback type circuit with synchronous control function |
| 05/13/2009 | CN201238264Y Ultra-small credible high-efficiency high tension-input constant-current switch circuit |
| 05/13/2009 | CN201238205Y Low-wind velocity charge controller for miniature aerogenerator |
| 05/13/2009 | CN201237629Y Fault monitor with self-power supply |
| 05/13/2009 | CN201237244Y Intelligent high-energy igniting means |
| 05/13/2009 | CN101431296A Variable output voltage power converter |
| 05/13/2009 | CN101431295A Linear charger and method for controlling charging current |
| 05/13/2009 | CN101431294A Voltage divider circuit and magnetic sensor circuit |
| 05/13/2009 | CN101431293A Digital controlled power supply |
| 05/13/2009 | CN101431292A Power converter with ripple compensation |
| 05/13/2009 | CN100488014C Magnetic isolation starting circuit |
| 05/13/2009 | CN100488013C D.C. voltage switching module and relative D.C. switching system |
| 05/13/2009 | CN100488012C Synchronous switch boost transducer of light emitting diode driver |
| 05/12/2009 | US7532492 Host controlled voltage input system for an accessory device |
| 05/12/2009 | US7532489 Power factor correction power supply |
| 05/12/2009 | US7532488 DC converter |
| 05/12/2009 | US7531987 Capacitor control system |
| 05/12/2009 | US7531070 Sputtering power-supply unit |
| 05/07/2009 | WO2009058138A1 Temperature-based switched-mode power supply |
| 05/07/2009 | WO2009057453A1 Power supply device |
| 05/07/2009 | WO2009055975A1 Synchronous rectifying circuit for offline power converter |
| 05/07/2009 | WO2009020898A3 Enhancement of power conversion efficiency using dynamic load detecting and tracking |
| 05/07/2009 | US20090117690 Integrated transistor module and method of fabricating same |
| 05/07/2009 | US20090116264 Power supply circuit with voltage converting circuits and control method therefor |
| 05/07/2009 | US20090115345 High efficiency off-line linear power supply |
| 05/07/2009 | DE112007001462T5 Energieversorgungssystem und Empfänger Energy supply system and receiver |
| 05/07/2009 | DE102007059380B3 Ripple currents minimizing method for common buffer capacitor of e.g. step-up converter, involves adjusting determined phase difference of signal during pulse width modulation period after processing pulses in another period |
| 05/07/2009 | DE102007038587A1 Verfahren zum Betrieb eines Gleichstrom-Spannungswandlers in einem Hybridfahrzeug Method for operating a DC-DC converter in a hybrid vehicle |
| 05/07/2009 | DE102005006665B4 Vorschaltgerät für eine Entladungslampe Ballast for a discharge lamp |
| 05/06/2009 | EP2056440A2 Method for operating a switching power supply |
| 05/06/2009 | EP2056439A2 Switching power supply unit |
| 05/06/2009 | EP2056438A2 Switching power supply |
| 05/06/2009 | EP2056437A1 Power supply circuit and power supply system |
| 05/06/2009 | EP2056436A2 Distributed power management |
| 05/06/2009 | EP2056435A1 Controllable circuit |
| 05/06/2009 | EP2056434A1 Switch-mode power circuit |
| 05/06/2009 | EP2054997A2 Dc/dc-converter |
| 05/06/2009 | EP1664966A4 Low noise charge pump method and apparatus |
| 05/06/2009 | EP1323226B1 Degenerative load temperature correction for charge pumps |
| 05/06/2009 | CN201234210Y Switch power supply for electric pressure cooker |
| 05/06/2009 | CN201234209Y Novel switch power supply |
| 05/06/2009 | CN201234208Y Switch power supply for chain type convertor power unit controller |
| 05/06/2009 | CN201234207Y Portable intrinsically safe electric power |
| 05/06/2009 | CN201234205Y Parallel current equalizing control circuit, electric power module and electric power system constituted thereby |
| 05/06/2009 | CN201231375Y Acceleration high-voltage supply device of electron-beam welding machine |
| 05/06/2009 | CN101427453A Power supply system and vehicle |
| 05/06/2009 | CN101427438A Power supply system and vehicle |