Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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08/01/2001 | EP1120019A1 Circuit for controlling a load to be supplied by an alternating current voltage |
07/31/2001 | US6269015 Power supply apparatus for ARC-utilizing apparatuses |
07/31/2001 | US6269012 Energy efficient power supply with light-load detection |
07/31/2001 | US6268754 Gate driving circuit for power semiconductor switch |
07/26/2001 | WO2001054260A1 Switching power supply with storage capacitance and power regulation |
07/26/2001 | WO2001054259A1 Method for starting a switching power supply and a switching power supply comprising a starting circuit |
07/26/2001 | WO2001054258A1 Method for starting a switched-mode power supply and switched-mode power supply with a starting circuit |
07/26/2001 | US20010009517 Method for switching off a switched-mode power supply in the event of short-circuit, and a switched- mode power supply |
07/26/2001 | US20010009516 Active clamp forward converter |
07/25/2001 | EP1118253A2 Ballast circuit with lamp current regulating circuit |
07/25/2001 | EP0929926A4 Method and apparatus for supplying contactless power |
07/25/2001 | CN1068998C Half-bridge driver circuit |
07/25/2001 | CN1068997C Converter circuit device |
07/25/2001 | CN1068995C Power source apparatus |
07/24/2001 | US6266261 DC power adapter system |
07/24/2001 | US6266260 Inverter having center switch and uninterruptible power supply implementing same |
07/24/2001 | US6266256 Circuit for correcting the power factor |
07/24/2001 | US6266255 Efficient power supply with small transformers |
07/24/2001 | US6265855 Coordinated switching in a multiple switching regulator system to lower peak current load |
07/19/2001 | WO2001052415A1 High power modulator |
07/19/2001 | WO2001052395A1 Method and apparatus for driving switching elements of current-controlled power conversion device |
07/18/2001 | EP1023765A4 Method and apparatus for reducing power loss in power conversion circuitry |
07/18/2001 | EP0958647B1 Device for transforming a three-phase voltage system |
07/18/2001 | CN1304629A Circuit arrangement |
07/18/2001 | CN1304205A Electric source switch appliance |
07/17/2001 | US6262899 Power factor corrected UPS maintaining neutral integrity and methods of operation thereof |
07/17/2001 | US6262618 Shoot-through prevention circuit for motor controller integrated circuit gate driver |
07/12/2001 | DE10060429A1 Power transmitter; has control circuit to transmit n instruction signals to n power converter circuits, which are driven to transfer n pulse width modulated signals out of phase by 360/n degrees |
07/11/2001 | WO2001003277A2 Control of dc/dc converters having synchronous rectifiers |
07/11/2001 | EP1115202A1 Drive circuit for semiconductor power device and semiconductor switching circuit using the drive circuit |
07/11/2001 | CN2439137Y Personal computer switch source power-factor booster circuit |
07/11/2001 | CN1303167A Universal power source apparatus |
07/11/2001 | CN1068423C Control apparatus for controlling motor of air conditioner |
07/11/2001 | CA2378666A1 Control of dc/dc converters having synchronous rectifiers |
07/10/2001 | US6259618 Power chip set for a switching mode power supply having a device for providing a drive signal to a control unit upon startup |
07/10/2001 | US6259614 Power factor correction control circuit |
07/10/2001 | US6259613 Power factor correction (PFC) circuit |
07/10/2001 | US6259611 PWM power converter |
07/05/2001 | WO2001048905A2 Variable frequency electric signal generator, automatic control and low cost computing means |
07/05/2001 | WO2001048516A2 Emi reduction for isolated bus systems |
07/05/2001 | US20010006470 Chopping circuit, in particular for an automotive vehicle, with improved filtering |
07/05/2001 | DE19961705A1 Arrangement for decentralized supply of regenerative energy performs voltage regulation at combination point for controlled improvement of quality of electrical supply |
07/04/2001 | EP1113710A1 Electronic ballast for operating a low pressure discharge lamp |
07/04/2001 | EP0832006B1 High voltage power converter system |
07/04/2001 | CN1302473A Switching power supply circuit |
07/04/2001 | CN1302472A Power factor correction application |
07/04/2001 | CN1302113A DC-AC exchanger |
07/03/2001 | US6256214 General self-driven synchronous rectification scheme for synchronous rectifiers having a floating gate |
07/03/2001 | US6256209 AC to DC conversion arrangement |
07/03/2001 | US6255806 Supply device for power supply to an electronic unit in a semiconductor valve in a shunt-connected thyristor-switched capacitor |
06/28/2001 | WO2001047094A2 Method and control circuitry for a three-phase three-level boost-type rectifier |
06/28/2001 | US20010005323 Power circuit with smoothing choke coil inductance varying circuit |
06/28/2001 | US20010005322 Dc-to-dc converter having an improved surge suppressor |
06/28/2001 | US20010005152 Drive circuit for semiconductor power device and semiconductor switching circuit using the drive circuit |
06/28/2001 | DE19963282A1 Elektronisches Vorschaltgerät zum Betrieb einer Niederdruck-Entladungslampe Electronic ballast for operating a low-pressure discharge lamp |
06/28/2001 | DE19958041A1 Verfahren zur Steuerung bidirektionaler Schalter in Matrixumrichtern Method for controlling bidirectional switch in matrix converters |
06/27/2001 | EP1111764A2 Drive apparatus for vibrating-type compressor |
06/27/2001 | EP1110318A1 High efficiency high frequency resonant gate driver for power converter |
06/27/2001 | EP1110299A1 An apparatus for controlling voltage-charge controlled power semiconductor devices |
06/27/2001 | EP1110292A1 Electric circuit |
06/27/2001 | EP0972334B1 Switched-mode power supply with regulation of line current consumption |
06/27/2001 | CN1301080A Method and device for suppressing ripples for high-power DC power supply |
06/20/2001 | EP1109302A2 Power supply |
06/20/2001 | CN1067500C Power supply unit |
06/20/2001 | CN1067497C Driving circuit for IGBT |
06/19/2001 | US6249876 Frequency jittering control for varying the switching frequency of a power supply |
06/19/2001 | US6249411 Over-voltage protection circuit and method for preventing system shutdown in a power system employing multiple power supplies |
06/19/2001 | US6249156 Electric circuit |
06/19/2001 | CA2268480C Universal harmonic mitigating system |
06/14/2001 | WO2001043267A1 Power supply with flux-controlled transformer |
06/14/2001 | WO2001043263A1 Electronic ballasts with current and voltage feedback paths |
06/13/2001 | EP1107436A2 Method and system for avoiding interferences on the supply network in the operation of a pulse current rectifier |
06/13/2001 | DE19957132C1 Schutzvorrichtung gegen die durch Schaltvorgänge einer Energieversorgung verursachten Überspannungen an Klemmen eines elektrischen Betriebsmittels Guard against disease caused by switching operations of a power supply surges at the terminals of electrical equipment |
06/12/2001 | US6246598 High-voltage modulator system |
06/12/2001 | US6246596 Switching power supply |
06/12/2001 | US6246595 Series control of electric ARC furnaces |
06/12/2001 | CA2088059C Miniaturized switching power supply with programmed level gate drive |
06/07/2001 | WO2001041290A2 Method for controlling bi-directional switches in matrix converters |
06/07/2001 | WO2001041278A1 A three stage power conditioning circuit |
06/07/2001 | WO2001003490A3 Apparatus for increasing the voltage utilization of three-phase pwm rectifier systems with connection between output center point and artificial mains star point |
06/07/2001 | DE10050380A1 Vorrichtung zur weltweiten Leistungsversorgung Device for global power supply |
06/06/2001 | EP1104949A2 Coordinated switching in a multiple switching regulator system to lower peak current load |
06/06/2001 | EP1104553A1 Switching power supplies with linear precharge, pseudo-buck and pseudo-boost modes |
06/06/2001 | CN1066891C Power supply with feedback loss protection arrangement |
06/05/2001 | US6243277 Bi-directional dc to dc converter for energy storage applications |
06/05/2001 | US6242968 Semiconductor power converting apparatus |
06/05/2001 | CA2244044C Current mode controller for continuous conduction mode power factor correction circuit and method of operation thereof |
05/31/2001 | WO2001039556A1 Circuit device for operating a discharge lamp by means of a high-frequency current |
05/31/2001 | WO2001039347A1 Protective device against overpotential in the terminals of electrical equipment, caused by switching operations |
05/30/2001 | EP1104083A1 Power factor correcting electrical converter apparatus |
05/30/2001 | EP1103096A1 Switching power supply circuit |
05/30/2001 | EP0901691B1 Control equipment for an active filter |
05/30/2001 | CN1297604A Circuit for correcting power factor |
05/30/2001 | CN1297306A Frequency related X-ray protector for multimedia monitor |
05/30/2001 | CN1297280A Control of line harmonic |
05/29/2001 | US6239995 Resonant-boost-input three-phase power factor corrector with a low current stress on switches |
05/29/2001 | US6239992 Electric power unit with early auxiliary capacitor charging |
05/23/2001 | EP1102388A2 High-voltage X-ray generator |
05/23/2001 | EP1102387A2 DC power supply apparatus |
05/23/2001 | DE19955406A1 Method for controlling multiple electrical loads operated from one source of power e.g. for motor vehicle, involves synchronizing time point and/or length of pulse triggering for operating current for loads with the operation of other loads |