Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
11/2005
11/03/2005US20050243580 Apparatus and method of employing combined switching and PWM dimming signals to control brightness of cold cathode fluorescent lamps used to backlight liquid crystal displays
11/03/2005US20050243488 Power converter apparatus and methods using a phase reference derived from a DC bus voltage
11/03/2005US20050242913 Packaging techniques for a high-density power converter
11/03/2005US20050242858 Apparatus and method for synchronized distributed pulse width modulation waveforms in microprocessor and digital signal processing devices
11/03/2005US20050242797 Switching converter having at least two converter stages
11/02/2005EP1592122A2 Inverter controlling method
11/02/2005EP1592121A2 Inverter module
11/02/2005EP1592115A2 A new architecture of power supply system for LCD apparatus
11/02/2005EP1591795A1 Harmonic diagnosing method for electric facility
11/02/2005EP1590879A2 Power factor correction circuit
11/02/2005CN2738468Y Three-phase power factor correct circuit with AC boosting mode
11/02/2005CN2738467Y Boosting circuit
11/02/2005CN1691487A Inverter controlling method
11/02/2005CN1691486A Piezoelectric transformer drive circuit and cold cathode tube lighting apparatus
11/02/2005CN1691485A Switch power supply circuit
11/02/2005CN1691476A 逆变器模块 Inverter module
11/02/2005CN1691327A Semiconductor device
11/02/2005CN1691222A Transformer for switching power supply
11/02/2005CN1690777A Novel architecture of power supply system for liquid crystal display equipment
11/01/2005US6961285 Drug delivery management system
11/01/2005US6961252 Switching power supply
11/01/2005US6961250 Non-isolated AC power supply device and method for controlling the same
11/01/2005US6960980 Power converter with shunt resistor
11/01/2005US6960954 Variable frequency electric signal generator, automatic control and low cost computing means
11/01/2005US6960901 Bi-directional DC/DC power converter having a neutral terminal
11/01/2005US6960871 Piezoelectric transformer
11/01/2005US6960843 Parallel operating system for uninterruptible power units
11/01/2005US6960838 Power system for a telecommunication facility
11/01/2005CA2331848C Electrical light socket
10/2005
10/27/2005WO2005101639A1 Approximated sinusoidal waveform inverter
10/27/2005WO2005101638A1 Discontinuous mode pfc controller having a power saving modulator and operation method thereof
10/27/2005WO2005101636A2 Domestic low voltage supply
10/27/2005WO2005101635A1 Soft-switching power converter having power saving means
10/27/2005WO2005101632A1 Ac/dc converter comprising plural converters in cascade
10/27/2005WO2005101625A1 Voltage regulating circuit
10/27/2005WO2005101430A1 High-voltage generator
10/27/2005WO2005062448A3 Device for producing switch signals for regulating the frequency in a converter in addition to an associated method used to determine the point in time of the switch signal
10/27/2005US20050237773 Inverter module
10/27/2005US20050237771 Circuit for converting an AC voltage to a DC voltage
10/27/2005US20050237770 Stabilized Power Supply
10/27/2005US20050237678 Configuration and method for protecting converter means
10/27/2005US20050237143 Transformer for switching power supply
10/27/2005US20050237033 Vehicle rotating electric machine
10/27/2005DE102004017146A1 Schaltwandler mit wenigstens zwei Wandlerstufen Switching Converters with at least two converter stages
10/27/2005DE102004016944A1 Wandlerschaltung mit gekoppelten Induktivitäten Converter circuit with coupled inductors
10/27/2005DE102004016062A1 Verfahren zur Aufladung eines Gleichstromzwischenkreises Method of charging the DC link
10/26/2005EP1589650A2 Motor drive control
10/26/2005EP1589647A2 Current-voltage converter and relative control circuit
10/26/2005EP1589645A2 Circuit for converting an AC voltage into a DC voltage
10/26/2005EP1589632A2 Integrated inverter unit for a motor-generator
10/26/2005EP1588589A1 Three-level dc-ac converter
10/26/2005CN2737063Y Inverter circuit in UPS system
10/26/2005CN1688946A Power control for instrumented medication package
10/26/2005CN1688096A Zero voltage, zero current switch type inverter based on transformer auxiliary current converting
10/26/2005CN1688095A DC magnetic power supplying and charging method and apparatus thereof
10/26/2005CN1688094A Low-voltage DC/DC module synchronous rectifying driving circuit and its driving method
10/26/2005CN1688093A Current energy-taking once loop for thyristor valve of controllable series compensator
10/26/2005CN1225079C Low-speed pulsating current supressing device and method for single phase inverter
10/25/2005US6958924 Multi-cell energy conversion device
10/25/2005US6958923 Rectifying circuit
10/25/2005US6958922 High output power quasi-square wave inverter circuit
10/25/2005CA2400815C Modular power converter
10/22/2005CA2505274A1 Circuit for converting an ac voltage to a dc voltage
10/20/2005WO2005099076A2 Instantaneous power floating frame controller
10/20/2005WO2005099062A1 Capacitor control system
10/20/2005WO2005051063A8 Cooling structure of electric device
10/20/2005US20050231990 Semiconductor device
10/20/2005US20050231988 Digital power control system
10/20/2005US20050231254 Power converter
10/20/2005US20050231172 Pre-charging system for smoothing capacitor
10/20/2005US20050231171 Discharging system for smoothing capacitor
10/20/2005DE10393516T5 Raumvektor PWM Modulator für Permanentmagnet-Motorantrieb Space vector PWM modulator for permanent magnet motor drive
10/19/2005EP1586157A1 Supply generator for an oscillating circuit, particularly for an induction cooking hob
10/19/2005EP1585645A1 An arrangement and a method for providing electric power to a vehicle
10/19/2005EP1097506B1 Switching power supply circuit
10/19/2005EP1017146B1 Overcharge protection, charger, electronic device and timepiece
10/19/2005CN2735652Y 变频电源 Frequency Power
10/19/2005CN2735651Y Inversion power supply with large output power
10/19/2005CN2735650Y 一种变压器 A transformer
10/19/2005CN2735649Y High-voltage DC power supply for electric dust collector
10/19/2005CN2735647Y Full-digitized electric servo control system power amplifier
10/19/2005CN1685760A Drive mechanism
10/19/2005CN1685597A Power transfer system with reduced component ratings
10/19/2005CN1685595A Power converting module device and power unit using it
10/19/2005CN1685592A System and method for providing digital pulse width modulation
10/19/2005CN1684208A 高压变压器 High-voltage transformers
10/19/2005CN1224161C Switching power supply device
10/18/2005US6956755 Resonant converter
10/18/2005US6956751 Motor power supply
10/18/2005US6956749 Switching power supply circuit
10/18/2005US6956742 Compact liquid converter assembly
10/18/2005US6956336 Single chip ballast control with power factor correction
10/18/2005CA2244557C Power inverter with re-orientable display panel and ac port modules
10/13/2005WO2005096484A1 Method for recharging a dc link
10/13/2005US20050226607 Motor drive control with a single current sensor using space vector technique
10/13/2005US20050226298 Power conversion device
10/13/2005US20050226021 System and methods for generating mobile power
10/13/2005US20050226018 Motor control circuit for supplying a controllable driving voltage
10/13/2005US20050226017 Inverter
10/13/2005US20050226016 Precharge circuit that adjusts current with temperature