Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
12/1999
12/09/1999WO1999063649A1 Voltage switch-over device
12/09/1999WO1999063603A1 Piezoelectric transformer
12/09/1999DE19824064A1 Schaltungsanordnung mit kennfeldorientierter Überlastbewertung Circuitry with map-oriented overload Review
12/09/1999CA2298734A1 Piezoelectric transformer
12/08/1999CN2353090Y Arrangement used for phase-changing, frequency-changing, current-changing and voltage-changing
12/08/1999CN2353089Y Discharging type quick pulse valve power supply
12/08/1999CN2353028Y Valtage adjusting switch for lamp
12/08/1999CN1047267C Method and device for generating amplitud-coupled voltage and for controlling multi-phase winding electric machine
12/07/1999US5999849 Low power rectifier circuit for implantable medical device
12/07/1999US5999432 High-efficiency bridge inverter
12/07/1999US5999428 Invertor with reduced common mode voltage
12/07/1999US5999427 Invertor with suppression of interference currents
12/07/1999US5999423 Voltage converter with filter arrangement
12/07/1999US5999422 Control equipment for an active filter
12/07/1999US5999420 Switching power source
12/07/1999US5999388 Method and apparatus for limiting current in a direct voltage network of a power transmission system
12/07/1999US5998980 Highly efficient multi-frequency voltage regulating circuit incorporating a magnetic field power sensor and programmable magnetic field detection
12/07/1999US5998976 Power supply system
12/07/1999US5998937 Light controller connected to piezoelectric transformer for controlling cold cathode tube by changing frequency or duty factor depending upon luminous intensity
12/07/1999US5998886 Power supply apparatus having a function of compensating for changes in voltage
12/02/1999WO1999062175A1 Electronic switch without losses
12/02/1999WO1999062085A1 Power regulator
12/02/1999WO1999053602A9 Power converter with actively controllable commutation
12/02/1999DE19816684A1 Elektrowerkzeug mit separater Stromversorgungseinheit Power tool with a separate power supply unit
12/01/1999EP0961394A2 Fault tolerant power supply circuit
12/01/1999EP0961379A2 Circuit arrangement with look-up table oriented overload evaluation
12/01/1999CN2351908Y Non-crystalline state power source inverter
12/01/1999CN1237285A Circuit for complementing ac mains voltage, particularly for resistive loads
12/01/1999CN1047041C Rectifier bridge apparatus
12/01/1999CN1047040C 逆变器交流电源 AC Power Inverter
11/1999
11/30/1999US5995395 Control of a composite bridge at zero voltage
11/30/1999US5995394 Device for connecting a VSC converter to a source of alternating voltage
11/30/1999US5995393 Latching shutdown and delayed restart of DC power supply in broadband network
11/30/1999US5995391 Control arrangement for a multilevel convertor
11/30/1999US5995383 Low cost AC-to-DC converter having input current with reduced harmonics
11/30/1999US5994845 Electrical light socket
11/30/1999US5994793 Uninterruptible power supply with plurality of inverters
11/30/1999US5994789 Control system for an electric vehicle
11/25/1999WO1999060684A1 Overcharge protection, charger, electronic device and timepiece
11/25/1999DE19919918A1 Weichstart-Schaltung zur Steuerung einer Gleichrichterschaltung Soft start circuit for controlling a rectifier circuit
11/25/1999DE19813639A1 Leistungsmodul für einen Stromrichter Power module for a power converter
11/24/1999EP0959553A2 Symmetric 4-space vector pulse width modulated waveform generation
11/24/1999EP0959552A2 Device for operating inverters and power supply system
11/24/1999EP0958648A1 Switched-mode power supply with current and voltage limitation
11/24/1999CN2350922Y Power switching device for electronic neon lamp
11/23/1999US5991182 Active rectifier having minimal energy losses
11/23/1999US5991176 Method for processing PWM waves and devices therefor
11/23/1999US5991173 Control device for self-exciting current source power converter
11/23/1999US5990658 Apparatus for controlling reflected voltage on motor supply lines
11/23/1999US5990657 Inverter system and control system for electric vehicle
11/23/1999US5990655 Method of operating an inverter for powering an induction motor
11/18/1999WO1999059238A1 Uninterruptible power supply with plurality of inverters
11/18/1999WO1999059224A2 Electrical light socket
11/18/1999WO1999037039A3 A multi-frequency voltage regulating circuit incorporating a magnetic field sensor and programmable magnetic field detection
11/18/1999DE19821351A1 Schaltungsanordnung zum Betreiben elektrischer Lampen Circuit arrangement for operating electric lamps
11/18/1999CA2350486A1 Uninterruptible power supply with plurality of inverters
11/17/1999EP0957662A1 Circuit arrangement for operating electric lamps
11/17/1999EP0957569A2 Rotary inverter
11/17/1999EP0956639A1 Control system for supply / recovery of energy from a three-phase network into a converter with a variable voltage link
11/17/1999EP0956638A1 Pulse width modulation converter
11/17/1999CN1235403A Rotatable inverter
11/17/1999CN1235402A Electric power converter
11/17/1999CN1046604C Multi-resonant inverter
11/16/1999US5986909 Multiphase power supply with plural series connected cells and failed cell bypass
11/16/1999US5986906 Converter circuit arrangement
11/16/1999US5986903 Control apparatus for a converter for transmitting electric power between an alternating voltage network and a direct voltage network
11/16/1999US5986900 Ground loop elimination
11/16/1999US5986484 Semiconductor device drive circuit with voltage surge suppression
11/11/1999WO1999057801A1 Inverter circuit with avalanche current prevention
11/11/1999WO1999057800A1 Device for creating a neutral point in an electrical system
11/11/1999WO1999057793A1 Method and device for reducing the current in the neutral conductor
11/11/1999CA2331710A1 Method and device for reducing the current in the neutral conductor
11/11/1999CA2331648A1 Device for creating a neutral point in an electrical system
11/11/1999CA2331376A1 Inverter circuit with avalanche current prevention
11/10/1999EP0955723A2 Method and apparatus for lowering the voltage of an intermediate circuit of an electrical injection moulding machine
11/10/1999EP0955719A2 Boost converter having reduced output voltage and method of operation thereof
11/10/1999EP0954898A1 Current-sensing mosfets in paralleled mosfet power circuit
11/10/1999EP0954870A1 High power drive from ac and dc sources using cryoelectronics
11/10/1999CN1234644A Booster converter with reduced out-put voltage and operation method therefor
11/09/1999US5982651 Half-bridge self-exciting switching power supply with over-voltage cut-off capability
11/09/1999US5982648 Three-phase ac-dc converter
11/09/1999US5982646 Voltage clamp snubbers for three level converter
11/09/1999US5982645 Power conversion and distribution system
11/09/1999US5982644 Voltage boost circuit for a high voltage converter
11/09/1999US5981925 Power supply for a continuous wave microwave magnetron
11/09/1999US5980267 Connector scheme for a power pod power delivery system
11/09/1999US5980095 Plant for transmitting electric power
11/09/1999CA2200226C Series-compensated converter station
11/09/1999CA2178857C Power converter
11/04/1999CA2267723A1 Boost converter having reduced output voltage and method of operation thereof
11/03/1999EP0812488B1 Integrated driver for half-bridge circuit
11/03/1999CN1233880A Power circuit construction of electric power converter
11/02/1999US5978547 High-turndown DC motor controller and method
11/02/1999US5978244 Programmable logic control system for a HVDC power supply
11/02/1999US5978243 Ac/dc converting circuit
11/02/1999US5978242 AC/DC converter
11/02/1999US5977725 Resonance type power converter unit, lighting apparatus for illumination using the same and method for control of the converter unit and lighting apparatus
11/02/1999US5977659 Inverter apparatus and solar power generation apparatus
11/02/1999US5977530 Switching power supply for high frequency heating apparatus
10/1999
10/28/1999WO1999054991A1 High-turndown dc motor controller and method
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