| 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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| 09/08/1993 | CN1076065A Method and apparatus for controlling an inverter |
| 09/06/1993 | CA2090851A1 Circuit arrangement |
| 09/04/1993 | CA2087566A1 D. c. chopper regulating method and apparatus incorporating bilateral regulating voltage path |
| 09/02/1993 | WO1993017488A1 Power semiconductor valve device for outdoor location |
| 09/01/1993 | EP0558192A2 Analog output electro-pneumatic transducer |
| 09/01/1993 | EP0557903A1 Multi-series inverter arrangement |
| 09/01/1993 | EP0557775A1 Arrangement with a rectifier connectable to an A.C.voltage |
| 09/01/1993 | EP0557543A1 Variable speed motor control |
| 09/01/1993 | EP0557475A1 Minimization of gto gate driver losses when antiparallel diode conduct |
| 09/01/1993 | EP0557378A1 A power supply circuit with integrated magnetic components. |
| 09/01/1993 | EP0482002B1 Process and device for taking over the regulation of several regulating parameters of a power converter |
| 08/31/1993 | US5241260 High voltage power supply and regulator circuit for an X-ray tube with transient voltage protection |
| 08/31/1993 | US5241256 Method and apparatus for controlling the supply of power to an induction motor to maintain high efficiency under varying load conditions |
| 08/31/1993 | US5241254 Dc feedback firing control circuit for a dc/three-phase current converter |
| 08/31/1993 | US5241251 Drive signal generating device |
| 08/29/1993 | CA2090587A1 Apparatus for phase-cutting control |
| 08/25/1993 | CN2141146Y Dynamic frequency and current converter |
| 08/24/1993 | US5239454 Stepped-waveform inverter utilizing main and auxiliary subinverters |
| 08/24/1993 | US5239253 Portable engine generator |
| 08/18/1993 | EP0556134A2 Control device for regulating current intensity in a load |
| 08/18/1993 | EP0556013A1 Energy-saving control apparatus and control method for induction motor |
| 08/18/1993 | EP0555773A1 Inverter for electric vehicle |
| 08/18/1993 | EP0555574A1 Method and apparatus for improved efficiency in a pulse-width-modulated alternating current motor drive |
| 08/18/1993 | EP0555557A1 Control apparatus of power converter |
| 08/18/1993 | EP0555432A1 Electronic device for converting electrical energy. |
| 08/18/1993 | CN1075385A Control apparatus for power converter |
| 08/18/1993 | CN1075384A Energy-saving control apparatus and control method |
| 08/18/1993 | CN1021871C Dc/ac bridge circuit |
| 08/18/1993 | CN1021866C Power converter |
| 08/17/1993 | US5237606 Enhanced synchronous rectifier |
| 08/17/1993 | US5237260 Engine-operated generator system |
| 08/15/1993 | CA2087453A1 Device for regulating current intensity in a receiver |
| 08/12/1993 | DE4203257A1 Circuit generating approximately rectangular AC voltage - has two controllable, periodical changeover switches, both in specified connection. |
| 08/11/1993 | EP0554903A2 Snubber energy recovery circuit for protecting switching devices from voltage and current |
| 08/11/1993 | EP0554804A1 Control equipment for high voltage direct current transmission system |
| 08/11/1993 | EP0554443A1 Induction heater. |
| 08/10/1993 | US5235505 Overcurrent detector |
| 08/10/1993 | US5235504 High power-factor converter for motor drives and power supplies |
| 08/10/1993 | US5235487 Inverter with overload current protection |
| 08/08/1993 | CA2088651A1 Inverter for electric vehicle |
| 08/05/1993 | WO1993015539A1 Device for providing electric power from a signal transmitter |
| 08/05/1993 | DE4203054A1 Pulse charging-control method for long cables connecting inverters to motors - preventing voltage levels at motor end from exceeding motor's nominal supply voltage of 380 V |
| 08/04/1993 | EP0554186A1 Photoelectric transducer |
| 08/04/1993 | EP0553981A2 Low-inductance package for multiple paralleled devices operating at high frequency |
| 08/04/1993 | EP0553923A1 Inverter device |
| 08/04/1993 | EP0553824A1 Electric system for electric vehicle |
| 08/04/1993 | EP0553179A1 Dc/ac converter. |
| 08/03/1993 | US5233509 Switch-mode AC-to-DC converter |
| 08/03/1993 | US5233280 Variable speed multi-phase motor powered via a converter |
| 08/03/1993 | US5233270 Self-ballasted screw-in fluorescent lamp |
| 08/01/1993 | CA2088170A1 Electric system for electric vehicle |
| 07/30/1993 | CA2085644A1 Low inductance package for multiple paralleled devices operating at high frequency |
| 07/29/1993 | DE4242560A1 Overcurrent protection circuit, esp for motor drive circuit semiconductor elements - contains switching device, protection diode and detectors for currents in diode and in switching element |
| 07/28/1993 | EP0552389A1 Power supply method for an electro-filter |
| 07/28/1993 | EP0376994B1 Device for producing a magnetic field in an atomic absorption spectrometer |
| 07/27/1993 | US5231564 Power supply for producing excitation voltage for an x-ray tube filament |
| 07/22/1993 | WO1993014557A1 Controlled power supply |
| 07/22/1993 | DE4200329A1 Regelbare speisestromquelle Adjustable food source of |
| 07/20/1993 | US5229930 Welding inverter and method for controlling a welding inverter |
| 07/20/1993 | US5229929 Output peak current correction for PWM invertors |
| 07/20/1993 | US5229927 Self-symmetrizing and self-oscillating half-bridge power inverter |
| 07/14/1993 | EP0551116A2 CVCF inverter and method for controlling the same |
| 07/14/1993 | EP0551029A1 Device for converting a very low amplitude DC signal in an AC signal |
| 07/14/1993 | CN2138332Y Pull-switch to be able to change output voltage |
| 07/14/1993 | CN1021609C Capacitor phase-shift triggered current converter |
| 07/13/1993 | US5227963 Flat-top waveform generator and pulse-width modulator using same |
| 07/13/1993 | US5227711 Motor controller |
| 07/08/1993 | WO1993013587A1 Modular ac drive controller |
| 07/08/1993 | DE4205099C1 Voltage inverter for use with battery supply - has DC=DC and DC=AC stages with sensor circuit control for generation of either 300 V DC or 220 V AC |
| 07/08/1993 | CA2125960A1 Modular ac drive controller |
| 07/07/1993 | EP0550348A1 High quality electrical power distribution system |
| 07/07/1993 | EP0549920A1 Rectification system for non-resonant voltage switched converters |
| 07/07/1993 | EP0502096A4 Apparatus for a balanced three phase ac power supply in a computer having variable dc loads |
| 07/07/1993 | CN1021532C Bridge-type semi-(full-) wave rectifying circuit |
| 07/06/1993 | US5225973 Regulation circuit for a stepped-waveform inverter |
| 07/06/1993 | US5225972 Power source |
| 07/06/1993 | US5225971 Three coil bridge transformer |
| 07/06/1993 | US5225767 Synchronous switching power supply with boost and/or flyback converters |
| 06/29/1993 | US5224028 Method for defining pulse width modulation (PWM) waveform patterns to produce inverter outputs having a low harmonic content |
| 06/29/1993 | US5224027 Power supply apparatus for magnetron driving |
| 06/29/1993 | US5224026 Alternatable constant current circuit |
| 06/29/1993 | US5224025 Forward converter with two active switches and unity power factor capability |
| 06/29/1993 | US5223767 Low harmonic compact fluorescent lamp ballast |
| 06/29/1993 | US5222664 Hand-held electrostatic spraying device adapted for shock suppression and method |
| 06/29/1993 | US5222663 Electrostatic spraying device and method using an alternating polarity high potential |
| 06/24/1993 | WO1993012570A1 Method and apparatus for providing battery charging in a backup power system |
| 06/24/1993 | DE4219958C1 Ballast circuit for discharge lamp - uses phase gate control to short out electrodes for interval in each half cycle, depending on brightness |
| 06/23/1993 | EP0547418A2 Power system for parallel operation of AC/DC converters |
| 06/23/1993 | CN1073556A Frequency-modulated converter with a series parallel resonance |
| 06/22/1993 | US5221887 Synchronous switching power supply comprising boost or flyback converter |
| 06/22/1993 | US5221442 Method and apparatus for electrolytic treatment |
| 06/20/1993 | CA2084975A1 Local line adapter |
| 06/16/1993 | EP0547006A1 Self-oscillating circuit for driving a gas discharge lamp, particularly for use on board a motor vehicle |
| 06/16/1993 | EP0546731A1 Internal wiring structure of a semiconductor device |
| 06/16/1993 | EP0344243B1 Quasi-resonant current mode static power conversion method and apparatus |
| 06/16/1993 | EP0334886B1 Switch circuit |
| 06/16/1993 | CN2136568Y Auticarcinogenic stepless temp. controlling protector capable of eliminating low frequency field for electric heating blanket |
| 06/15/1993 | US5220493 Override closed loop control of several controlled variables |
| 06/15/1993 | US5220276 Crest factor measurement device |
| 06/10/1993 | WO1993011602A1 Switching circuit |