| 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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| 02/16/1988 | CA1232938A1 High frequency oscillator-inverter ballast circuit for discharge lamps |
| 02/12/1988 | EP0245473A4 Drive circuit for fast switching of darlington-connected transistors. |
| 02/11/1988 | DE3718529A1 Arrangement for paralleling invertors on on-board networks |
| 02/10/1988 | CN86104579A Controlled power supply for overspeed automatic chemical analyser |
| 02/09/1988 | US4724291 Variable output microwave oven |
| 02/04/1988 | DE3625913A1 Method for reducing switching losses in current-injecting frequency converters |
| 02/03/1988 | EP0255258A2 Digitally controlled A.C. to D.C. power conditioner that draws sinusoidal input current |
| 02/03/1988 | EP0254911A1 Rectifier circuit and method for its controling |
| 02/02/1988 | US4723202 Converter-fed AC machine without damper winding |
| 02/02/1988 | US4723201 Control apparatus for pulse width modulation inverters |
| 01/28/1988 | WO1988000770A1 Final stage of a bridge circuit |
| 01/28/1988 | WO1988000769A1 Method of and apparatus for converting radio frequency energy to direct current |
| 01/28/1988 | DE3348112C2 Arrangement for avoiding unacceptable voltage drops when a load is switched over from a mains power supply to an invertor |
| 01/27/1988 | EP0254709A2 Frequency converter |
| 01/27/1988 | EP0254290A2 Method and apparatus for controlling a PWM inverter |
| 01/27/1988 | CN87104868A Supply circuit for supplying a smoothed direct current to a load impedance |
| 01/26/1988 | US4722042 Method of controlling current of inverter for optimum setting of switching modes |
| 01/26/1988 | US4722040 Self-resonant inverter circuit |
| 01/26/1988 | US4722024 Device for detecting excess-current in a direct-current generator with controlled rectifier |
| 01/26/1988 | US4721897 Reactive power processing circuit for a current source GTO invertor |
| 01/26/1988 | US4721188 Control apparatus for A.C. elevator |
| 01/21/1988 | DE3624106A1 Controller for operating fluorescent lamps |
| 01/21/1988 | DE3624055A1 Power supply unit for obtaining a stabilised output voltage |
| 01/20/1988 | EP0253533A2 A circuit arrangement for producing high voltages |
| 01/20/1988 | EP0253432A1 Energy converter |
| 01/20/1988 | EP0253265A1 Process for putting into operation a converter control from a current-source inverter with phase-sequence quenching |
| 01/20/1988 | CN87202360U Power supply switcher |
| 01/19/1988 | US4720777 Pulse width modulation system for AC motor drive inverters |
| 01/19/1988 | US4720776 DC bus shorting apparatus and method for polyphase AC inverter |
| 01/13/1988 | EP0252898A2 Three-phase induction motor drive with frequency converter control |
| 01/13/1988 | EP0157789B1 Improvements in or relating to rectifier circuits |
| 01/12/1988 | US4719559 Current-mode control of capacitively coupled power converters |
| 01/12/1988 | US4719558 High-frequency power supply output control device |
| 01/12/1988 | US4719557 Apparatus for generating a symmetrical three-phase voltage system with a neutral wire capable of carrying current |
| 01/12/1988 | US4719556 Current and voltage limited inverter |
| 01/12/1988 | US4719555 Electric power control apparatus with first and second fixed time intervals |
| 01/12/1988 | US4719553 Inrush-current limiter for switching regulator power supply |
| 01/12/1988 | US4719551 Optically controlled power converting apparatus |
| 01/12/1988 | US4719404 Switched resistor regulator with linear dissipative regulator |
| 01/12/1988 | US4719400 Motor control apparatus |
| 01/07/1988 | EP0251875A1 Converter for the DC current supply of a plurality of electric loads |
| 01/07/1988 | EP0250719A2 Process for the low-loss operation of a balancing and brake adjusting device for an inverter having a high intermediate circuit voltage |
| 01/07/1988 | EP0250718A1 Current supply for an inductive load, especially a gradient coil with a control and regulation device |
| 01/07/1988 | EP0250483A1 Power controller |
| 01/07/1988 | EP0125278B1 Power supply having a dc imput power source and pulsed current supplying stages |
| 01/05/1988 | US4717998 Static device for control of energy-exchange between electrical generating and/or receiving systems |
| 01/05/1988 | US4717995 Procedure for converting direct electrical energy into alternating electrical energy |
| 01/05/1988 | CA1231131A1 Disabled diac start-up technique |
| 12/30/1987 | WO1987007989A1 Three-phase ac motor controller |
| 12/30/1987 | WO1987007988A1 Switched capacitor induction motor drive |
| 12/30/1987 | CN86104376A Fully automated controller |
| 12/29/1987 | US4716513 Base drive circuit in a transistor inverter |
| 12/29/1987 | US4716512 Multiple step-up rectifier circuit |
| 12/29/1987 | US4716347 Oscillation reducing apparatus for rotary compressor |
| 12/29/1987 | US4716304 Driver circuit for high-voltage power transistors providing protection to the driver transistors |
| 12/17/1987 | WO1987007789A1 Process for converting a first ac signal into a second ac signal and converter for performing the process |
| 12/17/1987 | WO1987007788A1 Multiphase inverter circuit |
| 12/17/1987 | WO1987007787A1 Ac to ac converter |
| 12/17/1987 | DE3719713A1 Control device for an image reproduction device |
| 12/16/1987 | EP0249259A1 Power-supply circuit |
| 12/16/1987 | EP0249083A2 Current supply device |
| 12/16/1987 | CN86208073U Transformer for ac and dc |
| 12/16/1987 | CN86102497A Series connected controlled silicon inverter circuit |
| 12/15/1987 | US4713743 Load-commutated inverter and synchronous motor drive embodying the same |
| 12/15/1987 | US4713740 Switch-mode power supply |
| 12/15/1987 | US4713220 Ozonator power supply |
| 12/09/1987 | EP0248754A2 Procedure and device for the conversion of electrical energy from direct into alternating |
| 12/09/1987 | EP0248550A1 Voltage control system |
| 12/09/1987 | EP0248449A1 Polyphase inverter circuit |
| 12/09/1987 | CN87104223A Dual transformer phase-shifting driving circuit used in transistorized adverser power transistor |
| 12/08/1987 | US4712171 Electrical power source |
| 12/03/1987 | WO1987007455A1 Frequency converter for the stabilized supply of asynchronous motors |
| 12/02/1987 | EP0247996A2 AC motor with an overheating protection device |
| 12/01/1987 | US4710862 Inverter |
| 12/01/1987 | US4710850 Tower design for high-voltage systems |
| 12/01/1987 | US4710795 Semiconductor power module |
| 12/01/1987 | US4710686 Method and apparatus for control of current in a motor winding |
| 12/01/1987 | US4710682 Fluorescent lamp operating circuit |
| 11/25/1987 | CN87103527A Power-supply circuit |
| 11/24/1987 | US4709322 High efficiency transformerless AC/DC converter |
| 11/24/1987 | US4709319 Power supply device |
| 11/24/1987 | US4709317 Inverting apparatus |
| 11/24/1987 | US4709314 Superconducting rectifier for the conversion of a relatively low alternating current into a relatively high direct current |
| 11/24/1987 | CA1229657A1 Dc-dc converter |
| 11/19/1987 | EP0245473A1 Drive circuit for fast switching of darlington-connected transistors |
| 11/17/1987 | US4707777 Precommutated current source inverter |
| 11/17/1987 | CA1229364A1 Rotating rectifier assembly |
| 11/12/1987 | DE3615663A1 Method for smoothing the actual value |
| 11/10/1987 | US4706182 RF high-voltage power supply |
| 11/10/1987 | US4706180 Pulse width modulated inverter system for driving single phase a-c induction motor |
| 11/10/1987 | US4706179 Arrangement for switching rectified alternating current |
| 11/10/1987 | US4706178 Power conversion system |
| 11/10/1987 | US4706177 DC-AC inverter with overload driving capability |
| 11/10/1987 | US4706012 Frequency compensated regulator |
| 11/10/1987 | US4706010 Linear solar array voltage control system |
| 11/10/1987 | US4705969 High accuracy tachometer circuit |
| 11/07/1987 | CN86210837U Power supply inverter consisting of integrated operational amplifiers |
| 11/07/1987 | CN86210662U Naturally current-converting controlled silicon dc converter |
| 11/04/1987 | EP0244186A2 Electronic power supply |
| 11/04/1987 | EP0243862A2 Electric converter |