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