| 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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| 02/16/1994 | EP0583038A1 Power supply circuit and control circuit for use in a power supply circuit |
| 02/16/1994 | EP0582813A2 Critically continuous boost converter |
| 02/16/1994 | EP0582704A1 Power semiconductor valve device for outdoor location. |
| 02/16/1994 | EP0500528B1 Process for correcting a detected faulty actual value of a signal with harmonic vibrations and circuit arrangement for implementing this process |
| 02/16/1994 | EP0491731B1 Combinatorial circuit component |
| 02/15/1994 | US5287263 Inrush current control circuit |
| 02/15/1994 | US5287262 High voltage resonant inverter for capacitive load |
| 02/15/1994 | US5287261 Power conversion using zero current soft switching |
| 02/15/1994 | US5287260 GTO rectifier and inverter |
| 02/15/1994 | US5287051 Method and apparatus for improved efficiency in a pulse-width-modulated alternating current motor drive |
| 02/15/1994 | US5286938 High frequency heating apparatus |
| 02/09/1994 | EP0582133A1 Three phase AC to DC power converter |
| 02/09/1994 | CN1081788A Cooling apparatus for electronic elements |
| 02/09/1994 | CN1023747C Dynamic frequency and current converting method and apparatus thereof |
| 02/08/1994 | US5285372 Power supply for an ozone generator with a bridge inverter |
| 02/08/1994 | US5285371 Power conversion apparatus |
| 02/08/1994 | US5285370 Circuit arrangement for generating a high DC voltage |
| 02/08/1994 | US5285369 Switched mode power supply integrated circuit with start-up self-biasing |
| 02/08/1994 | US5285145 Current-limit system for voltage-type inverter |
| 02/03/1994 | DE4241647C1 Controlling pulsed inverter fed from constant DC voltage source - using vector modulation to produce required voltage vectors at 60 deg. electrical to one another with voltage output vectors at centre of each angular range |
| 02/03/1994 | DE4224771A1 Sine signal generating circuit using pulse width and/or frequency adjustable, rectangular input signal - changes input signal scanning ratio after each preset number of periods to form first intermediate signal |
| 02/02/1994 | EP0581322A2 Method of damping harmonics and device for connecting to a network |
| 01/27/1994 | DE4224674A1 Diode rectifier circuit - has n-pulse bridge circuit formed by diodes having metal-semiconductor junctions |
| 01/26/1994 | EP0580192A2 A circuit device for preventing saturation of the transformer in a DC/AC converter having a feedback-regulated inverter |
| 01/26/1994 | EP0474629B1 Process for compensating a phase and amplitude cycle between a multi-phase actual and set value and circuit for implementing the process |
| 01/26/1994 | CN2154556Y Rectifier device for motorcycle |
| 01/25/1994 | US5282125 Power generation system with soft-start circuit |
| 01/25/1994 | US5282124 Power unit having overcurrent/undervoltage-responsive protective function |
| 01/25/1994 | US5282107 Power MOSFET safe operating area current limiting device |
| 01/20/1994 | WO1994001923A1 Feedforward inverter phase control |
| 01/20/1994 | WO1994001922A1 Electrical power generation system |
| 01/20/1994 | DE4318995A1 Ballast for LV halogen or Mercury@ discharge lamp - has energising transformer with core without air gap and two coil groups |
| 01/20/1994 | DE4242615C1 Protection circuit for rectifier with drainage coil - has two power semiconductor switches connected on cathode side to load via fuse, and coupled to secondary windings of transformer with 180 deg. phase-shift |
| 01/19/1994 | EP0579367A1 A laser system |
| 01/19/1994 | CN2153904Y Plug type thin dc power supply |
| 01/19/1994 | CN1081030A High-voltage direct-charged and dc-ac converting emergency power supply |
| 01/18/1994 | US5280421 Current regulator for a four-legged three-phase inverter |
| 01/18/1994 | US5280419 Method and switching arrangement for regulation of a two-dimensional vector of a segment by means of a value-discrete setting element with a limited switching frequency |
| 01/18/1994 | US5280228 Inverter circuit |
| 01/13/1994 | DE4321988A1 Circuit for two-point inverter switching pole - has power capacitor coupled to junction points between relief diodes and capacitors of two semiconductor series connections |
| 01/13/1994 | DE4321585A1 Power factor correction circuit with rectifier - has input terminal for downwards divided, rectified AC signal, and voltage sensor |
| 01/13/1994 | DE4222633A1 AC voltage generating circuit for fluorescent tubes - has capacitor and inductivity as resonance circuit tuned to AC voltage frequency |
| 01/12/1994 | EP0578555A1 Pulse-controlled converter and electronic motor control |
| 01/12/1994 | EP0578108A1 Semiconductor power module |
| 01/12/1994 | EP0577704A1 Power supply having high power factor with control that tracks the input alternating supply |
| 01/12/1994 | EP0577611A1 Inductive power distribution system |
| 01/12/1994 | CN2153176Y Ultrasonic power supply |
| 01/12/1994 | CN1080792A Rectifier direct frequency modulating control circuit |
| 01/11/1994 | US5278443 Composite semiconductor device with Schottky and pn junctions |
| 01/05/1994 | EP0577099A2 Cooling apparatus for electronic elements |
| 01/05/1994 | CN2152342Y 象形电源 Pictographic Power |
| 01/05/1994 | CN2152341Y Multifunction repairing machine |
| 01/05/1994 | CN1023437C Inverter system |
| 01/04/1994 | US5276605 Negative half-wave summing rectifier apparatus for a three phase AC voltage |
| 01/04/1994 | US5276603 Sixteen level power supply with asynchronous controller |
| 01/04/1994 | US5276292 Operation check device of dynamic brake circuit for elevator |
| 12/29/1993 | EP0576271A2 Inverter protection device |
| 12/29/1993 | EP0576182A1 A semiconductor device |
| 12/29/1993 | EP0575892A1 Semiconducteur power module |
| 12/29/1993 | EP0575589A1 Controlled power supply |
| 12/29/1993 | EP0509991B1 A system for discharging electrical power from a high-voltage direct current line |
| 12/29/1993 | CN1080058A Ground detecting method for inverter device |
| 12/28/1993 | US5274542 Control device of neutral point clamped power inverter apparatus |
| 12/28/1993 | US5274541 Parallel circuit module including a diode and an IGBT |
| 12/28/1993 | US5274538 Power conversion apparatus |
| 12/28/1993 | US5274317 Single sensor current control of a multiple phase AC machine |
| 12/23/1993 | WO1993026079A1 Configurable inverter for 120 vac or 240 vac output |
| 12/23/1993 | DE4219644A1 Load reduction circuit for hf pulse rectifier - uses inductors on primary side for switch-on load reduction of semiconductor switch pairs |
| 12/22/1993 | EP0575131A1 Control device for thyristor converter |
| 12/22/1993 | CN2150672Y Reversion type integrated power supply device |
| 12/22/1993 | CN1079849A Power converting apparatus with power regenerative control function |
| 12/21/1993 | US5272719 Plural output power supply for induction holding and melting furnaces |
| 12/21/1993 | US5272619 Invertor systems utilizing inductive or capacitive reactance |
| 12/21/1993 | US5272615 Digital controlled inverter and method |
| 12/21/1993 | US5272613 Cascaded rectifier and two switched voltage converter circuits with harmonics suppression |
| 12/21/1993 | US5272460 Current and voltage transformer for a metal-encapsulated, gas-insulated high-voltage installation |
| 12/21/1993 | US5272430 System for controlling an inverter through pulse width modulation |
| 12/21/1993 | US5272398 Driver for power field-controlled switches with refreshed power supply providing stable on/off switching |
| 12/16/1993 | DE4319254A1 Regenerative power control for current regulator - blocks operation of upper or lower arm of rectifier stage when regenerative current is above given reference current |
| 12/16/1993 | DE4219011A1 Two-wire AC switch for AC load - uses electronic switching device with electronic control stage supplied via capacitive auxiliary voltage source |
| 12/16/1993 | DE4218749A1 Control system for 3-point current regulator - reduces current upon detection of overcurrent until disconnection via transistor control voltage |
| 12/15/1993 | EP0573836A2 Electric power converter |
| 12/15/1993 | EP0457807A4 Waveform generation and control |
| 12/15/1993 | CN2149718Y Multi-purpose and long-service life switch for lamp |
| 12/15/1993 | CN1079596A Control apparatus of power converter and control apparatus of electric motor vehicle |
| 12/14/1993 | US5270914 Series resonant converter control system and method |
| 12/14/1993 | US5270913 Compact and efficient transformerless power conversion system |
| 12/14/1993 | US5270904 Switching power apparatus with 3-state driver |
| 12/14/1993 | US5270632 Driving system for an induction motor having a circuit for generating a slip pulse and a phase shifting pulse |
| 12/09/1993 | WO1993025952A1 Dimmable high power factor high-efficiency electronic ballast controller integrated circuit with automatic ambient over-temperature shutdown |
| 12/09/1993 | WO1993024989A1 Power converter |
| 12/09/1993 | DE4216946A1 Converter for symmetric feeding of three-phase load - with each phase current provided with its own regulator unit |
| 12/08/1993 | EP0573088A1 Method and a circuit for controlling an inverter to switch in the sliding mode and by PWM with a three-level output voltage |
| 12/08/1993 | EP0573065A2 Electric system for an electric vehicle |
| 12/08/1993 | EP0572706A1 Control circuit for a power-FET with a load connected to its source |
| 12/08/1993 | EP0572452A1 Power unit with multi-phase supply. |
| 12/08/1993 | CN1079335A Electron beam device |
| 12/08/1993 | CN1023049C Superimposed high-voltage power supply and chaining controlling method |
| 12/07/1993 | US5268833 Rectifier circuit including FETs of the same conductivity type |
| 12/07/1993 | US5268832 DC/AC inverter controller for solar cell, including maximum power point tracking function |