Patents for H02M 1 - Details of apparatus for conversion (33,954)
04/2002
04/16/2002US6373725 Reconfigurable converter for multiple-level input-line voltages
04/16/2002US6373232 Power supply device for image forming apparatus, and image forming apparatus using the same
04/10/2002EP1195884A2 Electric power conversion/inversion apparatus
04/10/2002EP1194997A1 System with choke in parallel with a/c line for load conditioning
04/10/2002EP1194991A1 Universal harmonic mitigating system
04/09/2002US6370049 Inverter arrangement with three one-phase autotransformers
04/09/2002US6370047 Dual input range power supply using two series or parallel connected converter sections with automatic power balancing
04/09/2002US6370045 Converter including a fly-back circuit
04/09/2002US6369640 Zero crossing control structure for a bidirectional switch with a stable threshold
04/09/2002US6369558 Switching regulator
04/09/2002US6369548 Voltage switch-over device
04/04/2002WO2001061832A3 Start-up circuit for flyback converter having secondary pulse width modulation control
04/04/2002WO2001048905A3 Variable frequency electric signal generator, automatic control and low cost computing means
04/04/2002US20020039298 Individual or distributed non-saturating magnetic element (s) (referenced herein as NSME) power converters
04/04/2002US20020039269 Intelligent power module
04/04/2002US20020039037 Load driving device
04/04/2002US20020039017 Dc-to-dc converter
04/04/2002DE10044869A1 Filterschaltungsanordnung für eine Stromrichterschaltung Filter circuit arrangement for a converter circuit
04/04/2002DE10034054A1 Mains filter has each phase input connected to phase output via filter inductance connected on input side to earth conductor via filter capacitor, auxiliary inductances
04/03/2002EP1193848A1 Cicuit arrangement comprising a switch mode power supply
04/03/2002EP1192695A1 Protective device for preventing the overload of capacitors by high-frequency voltages
04/03/2002EP0815635B1 Power supply circuit with a storage capacitor
04/02/2002US6366483 PWM rectifier having de-coupled power factor and output current control loops
04/02/2002US6366481 Method and apparatus providing a multi-function terminal for a power supply controller
04/02/2002US6366067 Voltage regulator for reducing EMI
04/02/2002US6366027 Circuit device for operating a discharge lamp by means of a high-frequency current
03/2002
03/28/2002DE10045093A1 Schaltungsanordnung zur Energieversorgung für eine Ansteuerschaltung eines Leistungshalbleiterschalters und Verfahren zur Bereitstellung der Ansteuerenergie für einen Leistungshalbleiterschalter Circuit arrangement for power supply for a driving circuit of a power semiconductor switch and method of providing the activation energy for a power semiconductor switch
03/27/2002CN1342340A Power supplies having protection circuit
03/26/2002US6362981 Output feedback and under-voltage detection system
03/21/2002WO2002023705A1 Filter circuit configuration for a converter circuit
03/21/2002WO2002023704A1 Circuit arrangement for the energy supply of a control circuit for a power transistor switch and method for production of the controller energy for a power transistor switch
03/21/2002WO2002023694A2 Power factor correction control circuit and power supply including same
03/21/2002US20020034089 Semiconductor electric power conversion device
03/21/2002US20020034087 Electric power conversion/inversion apparatus
03/21/2002US20020033716 Current zero crossing detecting circuit
03/21/2002DE10044446A1 Verfahren und Vorrichtung zur Verkürzung der Verriegelungszeiten bei Wechselrichtern Method and apparatus for reducing the lockout time for inverters
03/20/2002EP1189333A1 Switching power supply
03/20/2002CN2482765Y Acoustic image equipment protective electric power
03/20/2002CN1340893A Switch type power supply protective circuit in electronic equipment
03/19/2002US6359799 Power factor corrector
03/19/2002US6359795 Soft-switching power supply with auxiliary resonator
03/19/2002US6359502 Semiconductor circuit having isolated oscillator
03/19/2002US6359426 Voltage threshold circuit for power conditioner
03/19/2002US6359424 Switching circuit for generating pulsed power
03/19/2002US6359395 Control circuit for power factor corrected electronic ballasts and power supplies
03/14/2002WO2002021691A1 Method and device for reducing the locking time in power inverters
03/14/2002WO2002021672A1 Lossless switching dc-to-dc converter
03/14/2002WO2002021671A1 Active power factor correction
03/14/2002WO2002021670A1 Switching mode power supply with high efficiency
03/14/2002WO2002021668A1 Method and device for controlling power supply
03/14/2002WO2002021663A1 Inverter having center switch and uninterruptible power supply implementing same
03/14/2002WO2001065659A3 Power converters with ac and dc operating modes and methods of operation thereof
03/14/2002US20020030957 Off-line converter with digital control
03/14/2002US20020030474 Power source system
03/14/2002DE10042587A1 Filteranordnung und Verfahren zur Filterung eines Analogsignals Filter assembly and method for filtering an analog signal
03/14/2002DE10042141A1 Für die Leistungsfaktorkorrektur angepaßte Gleichrichterschaltung For the power factor correction rectifier circuit adapted
03/14/2002DE10023267A1 Electrical power transfer controlling method involves switching of matrix converter between primary and secondary 3-phase voltage systems for maintaining sinusoidal current characteristics
03/13/2002EP1186095A1 Power supply
03/13/2002EP1186086A1 Current distribution system
03/13/2002CN1339860A Power unit powered by cell
03/12/2002US6356464 Method and apparatus providing a multi-function terminal for a power supply controller
03/07/2002WO2002019523A1 Filter system and method for filtering an analog signal
03/07/2002WO2002019506A1 Power supply start system
03/07/2002WO2002019505A1 Rectifier circuit suited to power factor correction
03/07/2002US20020027785 SMPS protection circuit in electronic appliance
03/07/2002US20020027756 Battery-operated power supply unit
03/07/2002US20020027391 Reduced current and power consumption structure of drive circuit
03/07/2002DE10040411A1 Switched mode power supply includes voltage controlled oscillator which controls supply switch based on difference of input and output voltages
03/07/2002DE10039957A1 Vorrichtung zur Grundentstörung eines Matrixumrichters Device for the interference suppression of a matrix
03/06/2002EP1184961A1 Apparatus and method for reducing noise in a switch mode power management system
03/06/2002CN1338810A Method for generating control pulses of electric or electronic equipment
03/06/2002CN1080478C Switch-mode power supply control circuit
03/06/2002CN1080211C High voltage power converter system
02/2002
02/28/2002WO2002017469A1 Multiple power converter system using combining transformers
02/28/2002US20020025715 Power supply
02/28/2002US20020024372 Noise canceling circuit
02/28/2002DE10040879A1 Netzteil mit einer Batterie AC power with a battery
02/27/2002EP1181635A1 Method and apparatus for limiting current to high frequency alternating current to voltage regulator modules
02/27/2002CN1080081C Inverter device
02/26/2002US6351399 Power converter
02/26/2002US6351398 Method and apparatus providing a multi-function terminal for a power supply controller
02/26/2002US6351359 Circuit for blocking a semiconductor switching device on overcurrent
02/26/2002US6351073 Self-supplied DC/DC switching power supply
02/21/2002WO2002015376A1 Device for effecting the basic interference suppression of a matrix converter
02/21/2002US20020021578 Synchronous rectification circuit of DC-DC converter
02/21/2002US20020021576 Low consumption converter directly connectable to the mains
02/21/2002US20020021539 Protective circuit against overheating of a semiconductor switching device
02/21/2002US20020021113 Load drive circuit having parallel-connected switch circuits
02/20/2002CN1337142A Circuit device for operating a discharge lamp by means of a high-frequency current
02/20/2002CN1337085A Overload protection for a switch mode power supply
02/20/2002CN1337036A Driving circuit and display
02/20/2002CN1079609C Fault control circuit for switched power supply
02/19/2002US6349044 Zero voltage zero current three level dc-dc converter
02/19/2002US6348767 Electronic ballast with continued conduction of line current
02/14/2002US20020017945 Integrated sine wave generating circuit
02/14/2002DE10036983A1 Vorrichtung zur schnellen Kurzschlussabsicherung bei einem Leistungshalbleiter Device for fast short-circuit protection in case of a power semiconductor
02/13/2002CN1336032A Method and apparatus for driving switching elements of current-controlled power conversion device
02/13/2002CN1335670A A/D converter control operation
02/13/2002CN1335669A Tracking active power filter
02/13/2002CN1335668A Voltage balancer circuit for power converter