Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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02/11/2004 | CN1137798C Power converter with low loss switching |
02/10/2004 | US6691048 Power-source system, power supplying method and image capturing apparatus |
02/10/2004 | US6690613 High voltage generating circuit and method |
02/10/2004 | US6690591 Single stage converter in LCD backlight inverter |
02/10/2004 | US6690589 Interleaved converter power factor correction method and apparatus |
02/10/2004 | US6690586 Switching power source device |
02/10/2004 | US6690585 Bi-directional DC power conversion system |
02/10/2004 | US6690227 Charge pump circuit for use in high voltage generating circuit |
02/10/2004 | US6690150 Method and a system for producing a power supply voltage for controlling an electronic switch |
02/10/2004 | US6690148 Method and circuit for limiting a pumped voltage |
02/10/2004 | US6690142 DC—DC converter |
02/05/2004 | WO2003107505A3 Charger for rechargeable batteries |
02/05/2004 | WO2003105327A3 Dc-dc-converter |
02/05/2004 | WO2003085797A3 Device for the inductive transmission of electric power |
02/05/2004 | US20040022114 Semiconductor memory device allowing reduction of an area loss |
02/05/2004 | US20040022080 Switching transformer |
02/05/2004 | US20040022077 Ripple cancellation circuit for ultra-low-noise power supplies |
02/05/2004 | US20040022076 Synchronous rectifier circuit |
02/05/2004 | US20040022075 Full-wave coupled inductor power converter |
02/05/2004 | US20040022074 Overcurrent output protecting circuit and constant-voltage switching power supply incorporating the same |
02/05/2004 | US20040021992 Constant-voltage switching power supply provided with overvoltage output protecting circuit, and electronic apparatus provided with overvoltage protecting circuit |
02/05/2004 | US20040021518 Error amplifier circuit |
02/05/2004 | US20040021504 Boosting circuit configured with plurality of boosting circuit units in series |
02/05/2004 | US20040021456 Apparatus for metering at least one type of electrical power over a predetermined range of service voltages |
02/05/2004 | US20040021450 Amplifier circuit for adding a laplace transform zero in a linear integrated circuit |
02/05/2004 | US20040021444 Digital controlled charge current regulator |
02/05/2004 | US20040021427 Intelligent switch for connecting power to a load |
02/05/2004 | DE10234080A1 Gleichspannungsabwärtswandler DC voltage down-converter |
02/05/2004 | DE10232640A1 Circuit with semiconductor switch and process for blocking control switches between two control switches |
02/04/2004 | EP1387480A2 Synchronous rectifier circuit |
02/04/2004 | EP1387479A1 Digital controlled charge current regulator |
02/04/2004 | EP1387478A2 Adding a Laplace transform zero to a linear integrated circuit for frequency stability |
02/04/2004 | EP1387462A2 Co-generated power supply system |
02/04/2004 | EP1142090B1 Voltage switch-over device |
02/04/2004 | EP1114507B1 Circuit and method for automatic rectification in converters |
02/04/2004 | CN2602543Y Soft switch circuit without depletion absorption |
02/04/2004 | CN1473387A Switching power source apparatus |
02/03/2004 | US6687143 Rectifying circuit and switching power supply device having the same |
02/03/2004 | US6687141 Dissipative clamping of an electrical circuit with a clamp voltage varied in response to an input voltage |
02/03/2004 | US6687137 Resonant switching power supply circuit with voltage doubler output |
02/03/2004 | US6687136 Arc-machining power supply with switching loss reducing element |
02/03/2004 | US6687105 Thermal compensation method and device for circuits with temperature-dependent current sensing elements |
02/03/2004 | US6687102 Battery-operated power supply unit |
02/03/2004 | US6686793 Gate enhanced tri-channel positive charge pump |
02/03/2004 | US6686729 DC/DC switching regulator having reduced switching loss |
02/03/2004 | US6686727 Method for power conversion using combining transformer |
02/03/2004 | CA2352169C Fixed frequency regulation circuit employing a voltage variable dielectric capacitor |
01/29/2004 | WO2004010570A1 Power converter |
01/29/2004 | WO2004010569A1 Bootstrap circuit for switching power supplies |
01/29/2004 | WO2004010238A2 Single chip ballast control with power factor correction |
01/29/2004 | WO2003033749A3 Matrix element precharge voltage adjusting apparatus and method |
01/29/2004 | US20040019419 Motor driving controller in electric power steering apparatus |
01/29/2004 | US20040017247 Voltage-change control circuit and method |
01/29/2004 | US20040017182 Off-line converter with digital control |
01/29/2004 | US20040017112 Power supply controlling device of an electronic equipment |
01/29/2004 | US20040017111 Method and apparatus for regulating multiple outputs of a single inductor DC to DC converter |
01/29/2004 | US20040016724 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source |
01/29/2004 | DE10331260A1 Spannungsanhebeschaltung Voltage boosting circuit |
01/29/2004 | DE10328782A1 Steuerschaltung für einen MOSFET zur Synchrongleichrichtung Control circuit for a MOSFET for synchronous rectification |
01/29/2004 | DE10245218A1 DC Energieversorgungsgerät zum Erzeugen von Plasma DC power supply apparatus for generating plasma |
01/29/2004 | DE10231174A1 Spannungsumsetzer, der in der Lage ist, eine stabile Spannung auszugeben Voltage converter which is capable of outputting a stable voltage |
01/29/2004 | DE10229633A1 Ansteuerung für einen Halbbrückenwechselrichter Drive for a half-bridge inverter |
01/29/2004 | DE10065421B4 Tiefsetzsteller Buck converter |
01/28/2004 | EP1385074A2 Power supplying method and apparatus capable of quickly responding to variations in input and output voltages to output a stable voltage |
01/28/2004 | EP1384304A1 Dc-dc conversion charging apparatus |
01/28/2004 | EP0887912B1 Power supply |
01/28/2004 | CN1471758A Controlled self-oscillation modulator and pwoer conversion system for using same |
01/28/2004 | CN1471755A Self-oscillating control circuit voltage converter |
01/28/2004 | CN1471347A Power supply circuit, especially for discharge lamp |
01/28/2004 | CN1471224A Switching power source circuit and electronic device |
01/28/2004 | CN1471214A Burst load power source supply method |
01/28/2004 | CN1470968A Switch device driving device and DC/DC current transformer |
01/28/2004 | CN1470967A DC stable power source and large adjustable switch type DC stable power source |
01/28/2004 | CN1136648C Electric Power conversion system |
01/27/2004 | US6684378 Method for designing power supply circuit and semiconductor chip |
01/27/2004 | US6683800 Resonant switched mode power supply system |
01/27/2004 | US6683798 Switching power supply with transfer function control circuit |
01/27/2004 | US6683797 Multi-stage DC—DC converter |
01/27/2004 | US6683767 Semiconductor integrated circuit |
01/27/2004 | US6683765 Switching power unit |
01/27/2004 | US6683488 Charge pump circuit for semiconductor device |
01/27/2004 | US6683443 Soft start circuit for regulated power supply |
01/27/2004 | US6683442 Soft start of a switching power supply system |
01/27/2004 | US6683441 Multi-phase switching regulator |
01/27/2004 | US6683437 Current controlled motor amplifier system |
01/27/2004 | US6683395 Power supply |
01/27/2004 | CA2325680C Self-supplied dc/dc switching power supply |
01/27/2004 | CA2197975C Universal power module |
01/22/2004 | WO2004008617A1 A 12/42 volt dc brush motor control system |
01/22/2004 | US20040015245 Modular architecture for industrial power delivery system |
01/22/2004 | US20040012988 Buffer circuit |
01/22/2004 | US20040012986 Two-stage converter using low permeability magnetics |
01/22/2004 | US20040012985 Resonant converter with phase delay control |
01/22/2004 | US20040012984 Pulse width modulated push-pull driven parallel resonant converter with active free-wheel |
01/22/2004 | US20040012904 Output feedback and under-voltage detection system |
01/22/2004 | US20040012584 Pumping circuit and flat panel display device |
01/22/2004 | US20040012437 Boosting circuit |
01/22/2004 | US20040012436 Clock regulation scheme for varying loads |
01/22/2004 | US20040012378 Voltage booster circuit and semiconductor device for incorporating same |
01/22/2004 | US20040012376 Current-mode switching regulator |