| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 04/09/2002 | US6369551 Method and apparatus for the supply of energy to a hearing device |
| 04/09/2002 | US6369525 White light-emitting-diode lamp driver based on multiple output converter with output current mode control |
| 04/04/2002 | WO2002027907A1 High voltage, low ripple, dc to dc converter |
| 04/04/2002 | WO2002027905A1 Power supply |
| 04/04/2002 | WO2002027903A2 Degenerative load temperature correction for charge pumps |
| 04/04/2002 | WO2002027894A2 Power generation system |
| 04/04/2002 | WO2002027810A2 Piezoelectric transformer and operating method |
| 04/04/2002 | WO2001061832A3 Start-up circuit for flyback converter having secondary pulse width modulation control |
| 04/04/2002 | WO2001048905A3 Variable frequency electric signal generator, automatic control and low cost computing means |
| 04/04/2002 | US20020039302 Uninterruptible power system |
| 04/04/2002 | US20020039301 Low voltage charge pump employing optimized clock amplitudes |
| 04/04/2002 | US20020039300 DC to DC converter |
| 04/04/2002 | US20020039298 Individual or distributed non-saturating magnetic element (s) (referenced herein as NSME) power converters |
| 04/04/2002 | US20020039079 Signal transmitter having voltage booster circuit and method of operating the same |
| 04/04/2002 | US20020039043 Synchronous rectifier circuit |
| 04/04/2002 | US20020039018 Synchronized, ripple independent window comparator for switch-mode power converters |
| 04/04/2002 | US20020039017 Dc-to-dc converter |
| 04/04/2002 | US20020038795 Power supply apparatus |
| 04/04/2002 | DE10045693A1 Ladungspumpenschaltung Charge pump circuit |
| 04/03/2002 | EP1194017A1 Voltage supply for x-ray generator |
| 04/03/2002 | EP1193851A1 Switching power supply device having series capacitance |
| 04/03/2002 | EP1193850A1 Device and method for generating a high voltage |
| 04/03/2002 | EP1193849A1 Resonant supply circuit with low electromagnetic emissions |
| 04/03/2002 | EP1192703A1 Charge pump circuit |
| 04/03/2002 | EP1192625A1 Charge transfer apparatus and method therefor |
| 04/03/2002 | EP1104592A4 Shifted drive inverter |
| 04/03/2002 | CN1343035A Switch supply unit |
| 04/03/2002 | CN1082257C Piezzo transformer and voltage transforming device using the same |
| 04/02/2002 | WO2002027906A1 Limiting the continuous mode of a power converter |
| 04/02/2002 | US6366486 Power supply device for enhancing heat-dissipating effect |
| 04/02/2002 | US6366484 Cross current sensing in power conversion |
| 04/02/2002 | US6366482 Voltage conversion circuit |
| 04/02/2002 | US6366481 Method and apparatus providing a multi-function terminal for a power supply controller |
| 04/02/2002 | US6366480 Switching power supply apparatus |
| 04/02/2002 | US6366479 DC-DC converter with reduced energy loss under lowered load impedance |
| 04/02/2002 | US6366478 Circuit and method for automatic rectification in converters |
| 04/02/2002 | US6366477 Resonant switched power converter |
| 04/02/2002 | US6366476 Switching power supply apparatus with active clamp circuit |
| 04/02/2002 | US6366475 Power control method and circuit, and power supply unit |
| 04/02/2002 | US6366474 Switching power supplies incorporating power factor correction and/or switching at resonant transition |
| 04/02/2002 | US6366158 Self initialization for charge pumps |
| 04/02/2002 | US6366070 Switching voltage regulator with dual modulation control scheme |
| 04/02/2002 | US6366069 Hysteretic-mode multi-phase switching regulator |
| 04/02/2002 | US6366068 Switching power supply with overcurrent protection and method |
| 04/02/2002 | US6366067 Voltage regulator for reducing EMI |
| 04/02/2002 | US6366066 Circuit and method for reducing quiescent current in a switching regulator |
| 04/02/2002 | US6366058 Capacitor power supply unit |
| 03/28/2002 | WO2002025800A1 Switching mode power supply with high efficiency |
| 03/28/2002 | WO2002025799A1 Pulse mixing modulated - type switching power supply |
| 03/28/2002 | WO2002025798A1 Step-up switching power supply device |
| 03/28/2002 | WO2002025684A1 Magnet, vacuum electron devices and communication systems |
| 03/28/2002 | WO2002025357A2 Controlled self-oscillation modulator |
| 03/28/2002 | WO2002011498A8 Interface circuit and method for dimming a fluorescent lamp |
| 03/28/2002 | WO2001097379A3 Intelligent switch for connecting power to a load |
| 03/28/2002 | WO2001052619A3 Load matched alternator system |
| 03/28/2002 | US20020036924 Semiconductor device |
| 03/28/2002 | US20020036910 Power supply with reduced power consumption in standby mode |
| 03/28/2002 | US20020036909 Phase control circuit and switching regulator |
| 03/28/2002 | US20020036636 Image display device and portable electrical equipment |
| 03/28/2002 | US20020036487 Bootstrap circuit in DC/DC static converters |
| 03/28/2002 | DE10143389A1 Stromversorgungssteuerschaltung, Stromversorgung und Stromversorgungssteuerverfahren Power supply control circuit, power supply and power supply control method |
| 03/28/2002 | DE10042588A1 Mains power part with primary side voltage reduction in standby operation has connection terminals for supplying voltage respectively to 1st capacitor, series circuit to transformer primary |
| 03/27/2002 | EP1190480A1 Dynamically-switched power converter |
| 03/27/2002 | EP0783792B1 Voltage regulator that operates in either pwm or pfm mode |
| 03/27/2002 | CN1342390A Electronic ballast circuit |
| 03/27/2002 | CN1342389A High power factor electronic ballast with simplified circuit topology |
| 03/26/2002 | USRE37609 Voltage regulator that operates in either PWM or PFM mode |
| 03/26/2002 | US6362986 Voltage converter with coupled inductive windings, and associated methods |
| 03/26/2002 | US6362984 DC-DC converter |
| 03/26/2002 | US6362981 Output feedback and under-voltage detection system |
| 03/26/2002 | US6362980 Active filter for computer, filter module, power module and computer |
| 03/26/2002 | US6362608 Multi-phase switching converters and methods |
| 03/26/2002 | US6362607 Gated multi-phase fixed duty cycle voltage regulator |
| 03/21/2002 | WO2002023706A1 Charge pump circuit |
| 03/21/2002 | WO2002023694A2 Power factor correction control circuit and power supply including same |
| 03/21/2002 | US20020034085 Resonant reset dual switch forward DC-to-DC converter |
| 03/21/2002 | US20020034084 Switched-mode power supply |
| 03/21/2002 | US20020034083 Zero voltage switching DC-DC converter |
| 03/21/2002 | US20020034082 DC / DC converter |
| 03/21/2002 | US20020033804 LCD driving system with low power requirements |
| 03/21/2002 | US20020033731 High voltage generation circuit |
| 03/21/2002 | US20020033725 Clock generating circuit |
| 03/21/2002 | US20020033716 Current zero crossing detecting circuit |
| 03/20/2002 | EP1189333A1 Switching power supply |
| 03/20/2002 | EP1188224A1 Single-ended forward converter circuit with quasi-optimal resetting for synchronous rectification |
| 03/20/2002 | CN1340907A 开关电源 Switching Power Supply |
| 03/20/2002 | CN1340905A High-voltage circuit |
| 03/20/2002 | CN1340893A Switch type power supply protective circuit in electronic equipment |
| 03/20/2002 | CN1340831A Kickback transformer |
| 03/20/2002 | CN1081406C Semiconductor apparatus for use in low voltage power supply |
| 03/19/2002 | US6359947 Split clock buffers for a negative charge pump |
| 03/19/2002 | US6359841 Timepiece and portable electronic device having thermoelectric generator unit |
| 03/19/2002 | US6359814 Negative output voltage charge pump and method therefor |
| 03/19/2002 | US6359798 Charge pump voltage converter |
| 03/19/2002 | US6359797 DC/DC converter incorporating a skip mode regulator |
| 03/19/2002 | US6359796 Transient control for converter power supplies |
| 03/19/2002 | US6359795 Soft-switching power supply with auxiliary resonator |
| 03/19/2002 | US6359793 High efficiency converter for zero voltage switching |
| 03/19/2002 | US6359502 Semiconductor circuit having isolated oscillator |
| 03/19/2002 | US6359501 Charge-pumping circuits for a low-supply voltage |