| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 04/08/2004 | WO2004030192A1 Charge pump with fibonacci series |
| 04/08/2004 | WO2004030191A1 Semiconductor integrated circuit device |
| 04/08/2004 | WO2004030189A2 Power conversion in variable load applications |
| 04/08/2004 | WO2004029735A1 Electronic clock, elctronic apparatus and starting method |
| 04/08/2004 | WO2004013949A3 Voltage-voltage converter for integrated circuits |
| 04/08/2004 | WO2003063327A3 Multicellular dc/dc voltage converter with protection switches |
| 04/08/2004 | WO2003044932A3 Switched mode power amplifier |
| 04/08/2004 | US20040067740 Battery-driven electronic device and mobile communication apparatus |
| 04/08/2004 | US20040066662 Power supply device and method having a spark prevention function |
| 04/08/2004 | US20040066661 Switching power supply circuit and frequency converter |
| 04/08/2004 | US20040066660 Off-line switching power supply for generating negative voltages |
| 04/08/2004 | US20040066239 Frequency/signal converter and switching regulator having such a converter |
| 04/08/2004 | US20040066225 Boosting voltage control circuit |
| 04/08/2004 | US20040066179 DC/DC boost converter and control method therefor |
| 04/08/2004 | US20040066178 DC/DC converter |
| 04/08/2004 | US20040066154 Lighting circuit |
| 04/08/2004 | US20040066094 Co-generated power supply system |
| 04/08/2004 | US20040065541 Stepped voltage controller for ceramic oxygen generating systems |
| 04/07/2004 | EP1406373A2 Power supply |
| 04/07/2004 | EP1406372A1 Digital control apparatus for a switching DC-DC converter |
| 04/07/2004 | EP1405397A1 Current mode controlled switched mode power supply |
| 04/07/2004 | EP1405396A2 Bidirectional flyback switch mode power supply (smps) |
| 04/07/2004 | EP1405395A2 A method for reducing mains harmonics and switching losses in discontinuous-mode, switching power converters |
| 04/07/2004 | EP1405394A2 Isolated drive circuitry used in switch-mode power converters |
| 04/07/2004 | EP1405393A2 Power converter |
| 04/07/2004 | EP1405156A2 Apparatus for setting output power levels of integrated pwm controller |
| 04/07/2004 | EP1285488B1 Universal input to dc output conversion circuitry |
| 04/07/2004 | EP0901711B1 A rotating asynchronous converter |
| 04/07/2004 | CN1487657A Novel multiplex output circuit |
| 04/07/2004 | CN1487656A 供给泵电路 Charge pump circuit |
| 04/07/2004 | CN1487655A Electric charge pump apparatus |
| 04/07/2004 | CN1487644A Electric power device and electronic parts |
| 04/07/2004 | CN1487299A Apparatus and method for measuring power consmption |
| 04/07/2004 | CN1145254C Switching power system |
| 04/07/2004 | CN1145253C Dual-output power source with high voltage-stabilizing precision |
| 04/07/2004 | CN1145092C Controller use of DC-DC converter |
| 04/06/2004 | USRE38487 Synchronous-rectified DC to DC converter with improved current sensing |
| 04/06/2004 | US6717830 MOS circuit for lowering forward voltage of diodes |
| 04/06/2004 | US6717829 Charge pump device with reduced ripple and spurious low frequency electromagnetic signals |
| 04/06/2004 | US6717827 Switching power supply |
| 04/06/2004 | US6717826 Method to reduce bus voltage stress in a single-stage single switch power factor correction circuit |
| 04/06/2004 | US6717459 Capacitor charge sharing charge pump |
| 04/06/2004 | US6717458 Method and apparatus for a DC-DC charge pump voltage converter-regulator circuit |
| 04/06/2004 | US6717390 Switching power supply |
| 04/06/2004 | US6717388 Bidirectional converter with input voltage control by a primary switch and output voltage regulation by a secondary switch |
| 04/06/2004 | US6717288 Multiple-voltage power supply circuitry for motor vehicles |
| 04/01/2004 | WO2004027996A2 Negative charge pump with bulk biasing |
| 04/01/2004 | WO2004027969A1 Electric load device, abnormality handling method, and computer-readable recording medium storing therein program for causing computer to execute electric load abnormality handling |
| 04/01/2004 | WO2004027968A1 Multi-resonant dc-dc converter |
| 04/01/2004 | WO2004027962A2 Adaptive leading edge blanking circuit |
| 04/01/2004 | WO2003098787A3 Ac-dc converters with bi-directional valves |
| 04/01/2004 | WO2003079527A3 Three-terminal, low voltage pulse width modulation controller ic |
| 04/01/2004 | WO2003034391A3 Method and system for adjusting the voltage of a precharge circuit |
| 04/01/2004 | US20040062127 High precision charge pump regulation |
| 04/01/2004 | US20040062066 Switched mode circuit topologies |
| 04/01/2004 | US20040062063 Dynamic DC source and load energy recycling power system |
| 04/01/2004 | US20040062061 Regulation of bi-directional flyback converter |
| 04/01/2004 | US20040062060 Switching power supply and distributed parameter structure |
| 04/01/2004 | US20040062058 Power conversion in variable load applications |
| 04/01/2004 | US20040061549 Potential detector and semiconductor integrated circuit |
| 04/01/2004 | US20040061548 Charge pump with Fibonacci number multiplication |
| 04/01/2004 | US20040061537 Loop powered process control instrument power supply |
| 04/01/2004 | US20040061534 Drive circuit |
| 04/01/2004 | US20040061139 Voltage generation circuit for non-volatile semiconductor memory device |
| 04/01/2004 | DE10244665A1 Circuit structure for electroplate-separated transmission of an analog input quantity uses a signal transmission component with voltage input/output to adapt voltage between input/output |
| 04/01/2004 | DE10243746A1 Controlled blocking current generation device for power semiconductor switch e.g. MOSFET switch or IGBT switch, using depletion-p-channel MOSFET as blocking current source |
| 04/01/2004 | DE10215106B4 Schaltwandler und Ansteuerschaltung zur Ansteuerung eines Schalters in einem Schaltwandler Switching converter and drive circuit for driving a switch in a switching converter |
| 04/01/2004 | CA2499086A1 Negative charge pump with bulk biasing |
| 03/31/2004 | EP1404014A2 Power circuit |
| 03/31/2004 | EP1402613A1 Power supply architecture with controlled power-on and power-off sequence |
| 03/31/2004 | EP1402612A1 Uninterruptible power supply |
| 03/31/2004 | EP1402310A1 Apparatus for supplying power and liquid crystal display having the same |
| 03/31/2004 | CN2609274Y Magnetic retardation switch circuit of non-symmetrical half bridge type and speed returning type power convertor |
| 03/31/2004 | CN1486529A Multiple output dc-dc converter |
| 03/31/2004 | CN1485972A Switch power supply unit and electronic apparatus using same |
| 03/31/2004 | CN1485971A High precision low power dissipation charge pump circuit |
| 03/31/2004 | CN1144349C Power supply unit |
| 03/31/2004 | CN1144347C Zero-voltage zero-current soft-switch converter |
| 03/31/2004 | CN1144346C Self-driving circuit of synchronous rectifier tube |
| 03/31/2004 | CN1144345C Counter exciting synchronous rectification DC/DC converter protector |
| 03/31/2004 | CN1144344C Step-up transformer |
| 03/31/2004 | CN1144343C Switch power source |
| 03/30/2004 | US6714428 Combined transformer-inductor device for application to DC-to-DC converter with synchronous rectifier |
| 03/30/2004 | US6714426 Multiple-phase, multi-module power supply system for high frequency operation |
| 03/30/2004 | US6714425 Power factor corrected SMPS with light and heavy load control modes |
| 03/30/2004 | US6714067 Bootstrap capacitor low voltage prevention circuit |
| 03/30/2004 | US6714065 Semiconductor device including power supply circuit conducting charge pumping operation |
| 03/30/2004 | US6713995 Voltage regulator with pulse width modulation in dual frequencies |
| 03/30/2004 | US6713992 Method and apparatus for power supply capable of effectively reducing a power consumption |
| 03/30/2004 | US6713990 Device for producing electricity having voltage-booster chopper circuit with an IGBT transistor |
| 03/30/2004 | US6713676 System and method for converting a DC input voltage to a DC output voltage |
| 03/25/2004 | WO2004025817A1 Voltage detecting circuit and internal voltage generating circuit comprising it |
| 03/25/2004 | WO2004025730A1 Semiconductor device and memory card using same |
| 03/25/2004 | WO2004025389A2 Dac-based voltage regulator for flash memory array |
| 03/25/2004 | WO2003096520A3 Charge pump |
| 03/25/2004 | WO2003090332A3 Voltage converter for converting an input voltage to an output voltage and driving circuit comprising a voltage converter |
| 03/25/2004 | WO2003086949A3 Applicator and nozzle for dispensing controlled patterns of liquid material |
| 03/25/2004 | WO2003084038A3 Multi-phase dc-dc converter with balanced current between modules and different input voltages |
| 03/25/2004 | US20040057267 Semiconductor memory device, and method of controlling the same |
| 03/25/2004 | US20040057259 Negative charge pump with bulk biasing |