Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
03/2000
03/14/2000US6038148 Self-driven synchronous rectification scheme
03/14/2000US6038147 Power supply employing circulating capacitor and method of operation thereof
03/14/2000US6038141 Resonance power supply circuit of variable capacity type
03/14/2000US6037720 Level shifter
03/09/2000DE19839703A1 Generator circuit arrangement for creating several high DC voltages from low direct voltage, especially for ignition and energy supply of high pressure gas discharge lamps in cars, has transformer connected to voltage converter
03/08/2000CN2368210Y Charging circuit for charger
03/08/2000CN1246986A Control circuit and method for piezoelectric transformer
03/08/2000CN1246985A Switched-mode power supply with current and voltage limitation
03/08/2000CN1246753A Switching magneti-resistance driver with high power factor
03/08/2000CN1246750A Pure-capacitance electronic transformer
03/08/2000CN1246749A Circuit for reducing input harmonics of electric power network
03/08/2000CN1050245C Circuit for avoiding instantaneous short circuit of lower power tube with higher one of dc-to-ac converter
03/08/2000CN1050244C Driving power for exciting of piezoelectric device
03/08/2000CN1050243C 12 pulsing sequential controlling method
03/07/2000US6034489 Electronic ballast circuit
03/02/2000DE19839749A1 Low voltage power supply with flat design, especially for ceiling installation light, having casing in form of flexible, thin-walled reed
03/02/2000DE19838829A1 Widerstandsarme Bipolar-Brückenschaltung Resistance arms bipolar bridge circuit
03/02/2000DE19838296A1 Dual voltage power supply for an on-board vehicle mains supply, includes a current generator that is coupled to the a battery and a rectifier/convertor arrangement
03/01/2000EP0982862A1 Bipolar bridge circuit without resistors
03/01/2000EP0982845A2 Switched reluctance drive with high power factor
03/01/2000EP0982843A2 Power converter
03/01/2000EP0981935A1 Gas discharge lamp drive circuitry
03/01/2000CN1050018C Power supplier with low-consumption of power
03/01/2000CN1050017C Electrisity-saving power supply device capable of quick reverting starting
03/01/2000CN1050016C Synchronous and non-synchronous switching selective power supply device
02/2000
02/29/2000US6031751 Small volume heat sink/electronic assembly
02/29/2000US6031750 Constant current supply over a wide range of input voltages
02/29/2000US6031749 Universal power module
02/29/2000US6031745 Time multiplexed power supply
02/29/2000US6031742 DC voltage converter with improved efficiency
02/29/2000US6031738 DC bus voltage balancing and control in multilevel inverters
02/29/2000US6031737 AC-DC power supply
02/29/2000US6031736 Control apparatus of inverter and power generation system using such control apparatus
02/29/2000US6031726 Low profile mounting of power converters with the converter body in an aperture
02/29/2000US6031400 Circuit with multiple output voltages for multiple analog to digital converters
02/29/2000US6031210 Electrical circuit for supplying power
02/29/2000US6030247 Power-supply adapter device
02/29/2000CA2208646C Multiple output, zero voltage switching, series resonant vhf inverter
02/23/2000EP0981196A2 A power supply for a vibrating compressor
02/23/2000EP0980598A1 Electrical plug
02/23/2000CN1245364A Phase, frequency, current and voltage converter
02/23/2000CN1049773C Power converter control system
02/23/2000CN1049772C Method and device for passive single phase low harmonic wave rectification
02/22/2000US6028779 Power inverter device
02/22/2000US6028778 Power supply device with improved efficiency and reduced higher harmonics
02/22/2000US6028777 High frequency power supply generator
02/22/2000US6028776 Power factor correction converter
02/22/2000US6028760 Resonant power converter for energizing a coil
02/22/2000US6028476 Power switched amplifer
02/22/2000US6028398 Cold cathode fluorescent lamp driving apparatus using a piezoelectric transformer
02/22/2000US6028388 Piezoelectric transformer driver
02/22/2000CA2232199C Power converter with voltage drive switching element
02/22/2000CA2223227C Power converter
02/17/2000WO2000008747A1 Controlled rectifier bridge with over-voltage protection
02/16/2000EP0980134A1 Method of protecting a high power converter and protection device for implementing the method
02/16/2000CN1244745A Drive with high output at trouble mold
02/15/2000USRE36571 Low loss synchronous rectifier for application to clamped-mode power converters
02/15/2000US6026005 Single ended forward converter with synchronous rectification and delay circuit in phase-locked loop
02/15/2000US6026004 Modular high voltage power supply with integral flux leakage compensation
02/15/2000US6025999 Dual output power supply and method of operation thereof
02/15/2000US6025824 Piezoelectric transformer driving circuit and cold cathode tube illuminating device using the same
02/15/2000CA2043064C Optimized 18-pulse type ac/dc, or dc/ac, converter system
02/10/2000WO2000007414A1 Preconditioner
02/10/2000WO2000007288A2 Provision of a low-inductive rail for a three-point phase module
02/10/2000WO1999059224A3 Electrical light socket
02/10/2000DE19835316A1 Gesteuerte Gleichrichterbrücke mit Überspannungsschutz Controlled rectifier bridge with surge protection
02/10/2000DE19834413A1 Sinusoidal shaped output voltage generator for interruption free current supply
02/09/2000EP0978934A2 Power conversion system
02/09/2000EP0978921A2 Secured shutdown and delayed re-start of DC power supply in broadband network
02/09/2000EP0978223A1 Method for dimming a fluorescent lamp arranged in the secondary circuit of a transformer and arrangement to implement said method
02/09/2000CN2363421Y Three-phase rectifying circuit with power factor correction and harmonic suppressing circuit
02/09/2000CN1244064A Electric power converter
02/09/2000CN1049317C Zero voltate switching controller of resonance mode converter and electronic ballast using the same
02/08/2000US6023741 Pulse width modulation control which data transfer is inhibited by overflow signal
02/08/2000US6023420 Three-phase inverter for small high speed motors
02/08/2000US6023419 Capacitor regulated controllable voltage and current power supply
02/08/2000US6023417 Generalized discontinuous pulse width modulator
02/03/2000DE19833491A1 Niederinduktive Verschienung für einen Dreipunkt-Phasenbaustein The low-drying for a three-phase module
02/02/2000EP0977348A2 Power amplifier with soft switching and multilevel switching cells
02/02/2000EP0976420A1 Movement powered timepiece having a full-wave rectifier with dynamic bias
02/02/2000EP0976195A1 A robust lc full-wave bridge rectifier input structure
02/02/2000CN1243613A Control system for supply/recovery of energy from three-phase network into converter with variable voltage link
02/02/2000CN1049080C Controller for inverter and generating system using the same
02/01/2000US6021060 Power converter device
02/01/2000US6021058 PWM inverter with zero dead time and initial power supply capacitor charging
02/01/2000US6021057 Inverter system
02/01/2000US6021053 Method and apparatus for switching circuit system including a saturable core device with multiple advantages
02/01/2000US6021052 DC/AC power converter
02/01/2000US6021040 Power storage device and power converter using same
02/01/2000US6020688 Converter/inverter full bridge ballast circuit
02/01/2000CA2031753C Ac-dc converter type of supply
01/2000
01/27/2000WO2000004629A1 Inverter system
01/27/2000DE19835030A1 Current harmonic reduction circuit for DC load supplied from mains network e.g. semiconductor transmitter, uses transformer with several secondary windings connected in star and delta configurations
01/26/2000EP0975084A2 Method and apparatus for switching circuit system including a saturable core device
01/26/2000EP0974377A1 Full-wave rectifier with dynamic bias
01/26/2000EP0974081A1 Power supply and electronic ballast with low-cost inverter bootstrap power source
01/26/2000EP0943123A4 Modular high power modulator
01/26/2000CN2361028Y Miniature dynamic power source
01/26/2000CN1242637A Electric power conversion means
01/26/2000CN1242494A AC/DC type microwave oven