| 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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| 04/26/1994 | US5307258 Process for converting a first AC signal into a second AC signal and a converter for performing the process |
| 04/26/1994 | US5307257 Transformerless power-supply unit for supplying a low DC voltage |
| 04/26/1994 | US5306968 Rectifier circuit not using clock signal |
| 04/20/1994 | EP0593299A2 Electronic power regulator for an automotive alternator |
| 04/20/1994 | EP0593258A2 Power supply |
| 04/20/1994 | EP0592696A1 Snubber circuit for an inverter branch |
| 04/19/1994 | US5304913 Multiphase pulse width modulator for a multiphase motor |
| 04/15/1994 | CA2108343A1 Electronic power regulator for an automotive alternator |
| 04/14/1994 | WO1994008392A1 Method of motor driving control |
| 04/14/1994 | WO1994008387A1 Structure of an inverter, especially a 3-point inverter |
| 04/14/1994 | WO1994008357A1 Power semiconductor integrated circuit package |
| 04/14/1994 | WO1994008067A1 Topographically precise thin film coating system |
| 04/13/1994 | EP0591576A1 An ultrapower-saving inverter circuit which makes its protective function possible and output voltage and luminous intensity adjustable |
| 04/13/1994 | EP0591464A1 Master-slave half-bridge dc-to-ac switchmode power converter |
| 04/12/1994 | US5303140 Power source circuit |
| 04/12/1994 | US5303139 Low frequency, pulsed, bipolar power supply for a plasma chamber |
| 04/12/1994 | US5303138 Low loss synchronous rectifier for application to clamped-mode power converters |
| 04/12/1994 | US5302889 Voltage regulator |
| 04/12/1994 | US5302858 Method and apparatus for providing battery charging in a backup power system |
| 04/12/1994 | US5302857 Portable power adapter |
| 04/07/1994 | DE4217621C1 Appts for generating ozone at controlled flow - with circuit controlling voltage variation at generator to predetermined pattern |
| 04/06/1994 | EP0590648A2 Method of controlling power regenerative equipment |
| 04/06/1994 | EP0590502A2 Inverter apparatus for electric rolling stock |
| 04/06/1994 | EP0590483A2 Power supply of a low frequency final sound stage |
| 04/06/1994 | EP0590372A2 Circuit arrangement for the generation of a direct voltage |
| 04/06/1994 | EP0590220A1 Highly reliable, low dissipation boost circuit |
| 04/05/1994 | US5301098 Feedforward inverter phase control |
| 04/05/1994 | US5300872 Method and apparatus for control of inverter |
| 04/05/1994 | US5300744 High-frequency heating device employing switching type magnetron power source |
| 04/05/1994 | CA2004690C Current limit circuit for ringing amplifier |
| 03/31/1994 | DE4232763A1 Aufbau eines Stromrichters, insbesondere eines Wechselrichters Construction of a power converter, in particular an inverter |
| 03/31/1994 | DE4232283A1 Low-reactive feedback-type static converter arrangement - comprises circuit arrangement consisting of inductance, electronic switch, and rectifying component |
| 03/30/1994 | EP0589202A2 Pistol for electrostatic powder coating and method for generating a high voltage |
| 03/30/1994 | EP0588970A1 Rectifier and inverter module |
| 03/30/1994 | EP0588843A1 Switch mode power supply with reduced input current distortion. |
| 03/30/1994 | CN2160163Y Electric appliance for automobile |
| 03/30/1994 | CN1084684A Pulsewidth-modulated inverter able to prevent short circuit |
| 03/30/1994 | CN1084683A Multiple composite voltage-equalizing output circuit of multi-group independent DC power supply |
| 03/29/1994 | US5298871 Pulse width modulation signal generating circuit |
| 03/29/1994 | US5298848 Large capacity variable speed PWM spatial vector type sub-harmonic system for driving AC electric motor |
| 03/24/1994 | DE4305243A1 Arc welding and cutting current source - of inverter type, insensitive to a.c. mains voltage fluctuations |
| 03/23/1994 | EP0588635A1 Gate power supply circuit |
| 03/23/1994 | EP0588388A2 Current-limiting system for voltage-type inverter |
| 03/23/1994 | EP0588199A1 Multiprocessor system for the control and regulation of an inverter |
| 03/23/1994 | EP0588094A1 Semiconductor device with reduced internal inductance |
| 03/23/1994 | EP0588011A1 Circuit for feeding back commutation energy in an inverter having two or three poles and method for feeding back the commutation energy |
| 03/23/1994 | CN1084331A Conversion integrated circuit with bridge rectification and full wave rectification |
| 03/22/1994 | US5296764 Reduction of disturbances in a power network |
| 03/22/1994 | CA2032084C Transformerless power monitor circuit having means for electronically latching dc alarms |
| 03/22/1994 | CA1327992C Dc/ac power converting apparatus including dc component remover |
| 03/17/1994 | WO1994006261A1 Freely oscillating inverter with pulse width control |
| 03/17/1994 | WO1994006258A1 Automatic zero-point recognition |
| 03/17/1994 | WO1994006257A1 Starting circuit for electronic transformers |
| 03/17/1994 | WO1994006201A1 Series/parallel resonant converter |
| 03/17/1994 | WO1994006200A1 Rectifier circuit |
| 03/17/1994 | DE4230977A1 AC voltage rectifier circuit - uses three similar diodes receiving input signal, inverse input signal and current signal respectively |
| 03/17/1994 | DE4230350A1 Gleichrichterschaltung Rectifier circuit |
| 03/16/1994 | EP0586885A1 DC power-supply unit |
| 03/16/1994 | EP0586793A2 Half-bridge configuration |
| 03/16/1994 | CN1083985A Electric power changing apparatus |
| 03/16/1994 | CN1083984A Apparatus for controlling of parallel-working pulse width modulating inverters |
| 03/15/1994 | US5294843 Freewheeling diode circuit |
| 03/15/1994 | CA1327848C Power transfer circuit including a sympathetic resonator |
| 03/15/1994 | CA1327835C Overvoltage protection device for thyristor valve |
| 03/10/1994 | DE4328748A1 Rectifier - Has resonant circuit with inductor, capacitor and triacs, with load in parallel with capacitor |
| 03/10/1994 | DE4229891A1 Passive integrated circuit giving two output DC voltages from single AC input - has rectifier, voltage limiter, smoothing circuit and two output stages integrated within unit without need of transformer |
| 03/09/1994 | EP0586105A2 Multi-step compound voltage etc. |
| 03/09/1994 | EP0585847A2 Power MOSFET safe operating area current limiting device |
| 03/09/1994 | EP0585788A1 Switched mode power supply integrated circuit with start-up self-biasing |
| 03/09/1994 | EP0585703A2 Method and means for measuring electrical quantities, especially the current, in an electric motor fed by a frequency transformer |
| 03/09/1994 | EP0491689B1 Device and process for optimum operation of a power converter connected to a power supply |
| 03/09/1994 | CN2158216Y Electrically heating mattress with rectifier |
| 03/08/1994 | US5293308 Inductive power distribution system |
| 03/06/1994 | CA2100823A1 Protective circuit with feedback capability for two-point and three-point inverters, and method of feeding back the protective-circuit energy |
| 03/03/1994 | WO1994005076A1 Dc to dc/dc to ac power conversion system |
| 03/03/1994 | DE4242120A1 Automatische Nullpunkterkennung Automatic zero detection |
| 03/03/1994 | DE4237283C1 Semiconductor power loss protecting method - waiting set time between disconnection of one of 2 anti-parallel bridge circuits in converter and switching in other bridge circuit. |
| 03/03/1994 | DE4228683A1 Self-oscillating current inverter for ohmic-inductive load, e.g. discharge lamp - uses two controlled switches across DC supply with overvoltage protection element between inductance and transformer primary in series load circuit |
| 03/03/1994 | DE4228647A1 Anlaufschaltung für elektronische Trafos Start-up circuit for electronic transformers |
| 03/03/1994 | DE4228644A1 AC inverter circuit for gas discharge lamp - has pair of transistors forming bridge with capacitors and circuit elements to cause alternate switching of transistors |
| 03/03/1994 | DE4228641A1 Vorschaltgerät für eine Gasentladungslampe mit einem Wechselrichter Ballast for a gas discharge lamp comprising an inverter |
| 03/02/1994 | EP0585077A1 Power supply circuit with power factor correction |
| 03/02/1994 | EP0584668A1 Semi-conductor power module |
| 03/02/1994 | CN1083282A Pwm control apparatus for interprase reactor multiplex inverter |
| 03/01/1994 | US5291388 Reconfigurable inverter apparatus for battery-powered vehicle drive |
| 03/01/1994 | US5291386 Switched mode power supply with precharge of base-emitter sweep-out capacitor |
| 03/01/1994 | US5291382 Pulse width modulated DC/DC converter with reduced ripple current coponent stress and zero voltage switching capability |
| 02/26/1994 | CA2101144A1 Power supply circuit with power factor correction |
| 02/25/1994 | CA2104624A1 Frequency stabilized electronic ballast and fluorescent lamp system |
| 02/24/1994 | DE4318996A1 Dimming bias circuit for LV halogen lamp - uses magnetic actuator providing DC magnetic field for controlling operating frequency of control transformer in bias circuit |
| 02/23/1994 | EP0583875A2 Power conversion control apparatus and process |
| 02/23/1994 | EP0583841A2 Switch mode power supply |
| 02/23/1994 | EP0583519A1 Dual push-pull heating device of induction cooker having multiple burners |
| 02/22/1994 | US5289366 Method and apparatus for correction of a detected faulty actual valve of a signal affected by harmonic vibrations |
| 02/22/1994 | US5289364 Power supply for an electronic device |
| 02/22/1994 | US5289108 Stable direct voltage generator |
| 02/21/1994 | CA2104251A1 Switch mode power supply |
| 02/17/1994 | WO1994003966A1 Power regeneration system |
| 02/17/1994 | WO1994003963A1 Polarity reversing dc power supply for remotely located equipment |
| 02/17/1994 | WO1994003925A1 Construction of a power converter |