| 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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| 03/10/2009 | USRE40656 Primary-side controlled flyback power converter |
| 03/10/2009 | US7502243 DC/AC inverter with adjustable gate-source voltage |
| 03/10/2009 | US7502233 DC power supply using either AC or DC input for both |
| 03/10/2009 | US7501738 Piezoelectric transducer drive circuit and cold cathode tube lighting device having the same |
| 03/05/2009 | WO2009028412A1 Direct type ac power converting device |
| 03/05/2009 | WO2009028053A1 Ac/dc converter, and compressor driving unit and air conditioner utilizing the same |
| 03/05/2009 | WO2009027847A2 System for rectifying and limiting current and reducing voltage |
| 03/05/2009 | WO2009027758A1 Zero-voltage switching power converter |
| 03/05/2009 | WO2009027326A1 Method for driving an electrical converter and associated apparatus |
| 03/05/2009 | WO2009026968A1 Method and device to compensate for an asymmetrical dc bias current in a power transformer connected to a high voltage converter |
| 03/05/2009 | WO2009026960A1 High voltage dry-type reactor for a voltage source converter |
| 03/05/2009 | US20090059634 Switching power supply |
| 03/05/2009 | US20090059633 Matrix converter apparatus |
| 03/05/2009 | US20090059632 System And Method For Controlling A Current Limit With Primary Side Sensing Using A Hybrid PWM and PFM Control |
| 03/05/2009 | US20090059631 Voltage-sensed system and method for anti-islanding protection of grid-connected inverters |
| 03/05/2009 | US20090059624 DC to DC converter |
| 03/05/2009 | US20090058339 Electric motor drive apparatus, hybrid vehicle with the same and stop control method of electric power converting device |
| 03/05/2009 | US20090058097 Electric power supply system |
| 03/04/2009 | EP2030315A1 Device |
| 03/04/2009 | EP2030314A2 Inductive power transfer system pick-up circuit |
| 03/04/2009 | EP2030299A1 Inverter for feeding electrical energy into a power supply system |
| 03/04/2009 | EP2030251A2 Optically controlled silicon carbide and related wide-bandgap transistors and thyristors |
| 03/04/2009 | EP2030233A1 Cooling and shielding of a high voltage converter |
| 03/04/2009 | EP1611668A4 Power circuitry for beverage apparatus |
| 03/04/2009 | CN201204722Y Automatic light-adjusting LED illumination driver |
| 03/04/2009 | CN201204714Y Induction heating apparatus |
| 03/04/2009 | CN201204554Y Voltage-stabilizing circuit for self-activated switch power supply |
| 03/04/2009 | CN201204553Y Static-change power supply of frequency-spreading modulation mode |
| 03/04/2009 | CN201204552Y Rectifier bridge circuit |
| 03/04/2009 | CN201204551Y Energy-saving aging device for DC input power supply converter |
| 03/04/2009 | CN201204550Y Energy-saving aging device for AC input power supply converter |
| 03/04/2009 | CN201204548Y Constant frequency power supply apparatus |
| 03/04/2009 | CN201204547Y Half-bridge LLC resonance converter with self-driving type synchronous rectifier |
| 03/04/2009 | CN201204544Y High-power IGBT intelligent drive module |
| 03/04/2009 | CN201201107Y MOSFET contravariant argon arc welding machine |
| 03/04/2009 | CN201200931Y Power-supply apparatus of high-frequency high-pressure charger unit cleaner |
| 03/04/2009 | CN101379692A Electric motor drive apparatus, hybrid vehicle with the same and stop control method of electric power converting device |
| 03/04/2009 | CN101378244A High-voltage motor parallel connection chopping and double-inversion speed-governing energy-saving controller |
| 03/04/2009 | CN101378243A Dual inverter for side control of high-voltage motor speed-governing rotor |
| 03/04/2009 | CN101378235A Power converter |
| 03/04/2009 | CN101378234A Voltage-doubling rectifying circuit |
| 03/04/2009 | CN101378229A DC-DC converter and organic light emitting display using the same |
| 03/04/2009 | CN100466449C Neutral point voltage controller |
| 03/04/2009 | CN100466448C Five-level converter structure device |
| 03/04/2009 | CN100466447C power-converting device, motor and motor drive system |
| 03/04/2009 | CN100466446C Method of converting a direct current voltage into a alternating current voltage, circuit arrangement structure and an inverter |
| 03/04/2009 | CN100466445C Encoding circuit for triggering signals of PWM three level inverter and control of compensation of the dead zone |
| 03/04/2009 | CN100466444C DC-AC converter control module |
| 03/04/2009 | CN100466443C Rectifier circuit and radio communication device |
| 03/04/2009 | CN100466442C Multiple rectifying device formed by 12 pulse rectification |
| 03/04/2009 | CN100466441C Air-conditioner controller |
| 03/04/2009 | CN100466440C Method and circuit for controlling switch power supply output current |
| 03/04/2009 | CN100466430C AC/DC converter capable of suppressing harmonic |
| 03/04/2009 | CN100466428C Medium power and low voltage frequency converter based on insulation grating bipolar transistor |
| 03/04/2009 | CN100464922C The chopper output used for arc welder power sources |
| 03/03/2009 | US7499299 Method and apparatus for reducing body diode conduction of synchronous rectifiers |
| 03/03/2009 | US7499298 Semiconductor integrated circuit and controlling method thereof |
| 03/03/2009 | US7499297 Low-harmonics, polyphase converter circuit |
| 03/03/2009 | US7499295 Switch mode power supply controllers |
| 03/03/2009 | US7499293 High voltage pulse power circuit |
| 02/26/2009 | WO2009025157A1 Switching power supply device |
| 02/26/2009 | WO2009025154A1 Ac power supply apparatus |
| 02/26/2009 | WO2009025129A1 Dc low-voltage power supply device |
| 02/26/2009 | WO2009024391A1 An inverter with short circuit protection |
| 02/26/2009 | WO2008150976A3 Adaptive rectifier architecture and method for switching regulators |
| 02/26/2009 | US20090052216 Level shift circuit and power supply device |
| 02/26/2009 | US20090052215 Current controller and current offset correction method of the same |
| 02/26/2009 | US20090052214 Insulating transformer and power conversion device |
| 02/26/2009 | US20090052213 Power converter system for an automotive vehicle and method for configuring same |
| 02/26/2009 | US20090052212 Power supply apparatus |
| 02/26/2009 | US20090052208 Apparatus to Extend HDMI Connections over a Single Ethernet CAT Cable |
| 02/26/2009 | DE102008034671A1 Double-ended inverter system controlling method for e.g. hybrid vehicle has a high voltage inverter with transistor switch leg that is clamped to positive high voltage rail if phase current is less than desired high voltage inverter current |
| 02/26/2009 | DE102008034670A1 Double-ended inverter drive system for e.g. a two-wheel drive sedan has two inverters that drive the four-phase motor, where each is coupled to its respective energy source and respective set of windings of the motor |
| 02/26/2009 | DE102007038960A1 Wechselrichter Inverter |
| 02/26/2009 | DE102007038959A1 Wechselrichter Inverter |
| 02/25/2009 | EP2028757A2 Method and device for controlling an electric motor |
| 02/25/2009 | EP2028756A1 An Inverter With Short Circuit Protection |
| 02/25/2009 | EP2027647A1 Device for feeding electric energy into a power grid and dc converter for such a device |
| 02/25/2009 | EP2027646A1 Driving with inverters with low switching losses |
| 02/25/2009 | CN201199744Y Power supply for LED sun lamp |
| 02/25/2009 | CN201199674Y High-voltage power supply apparatus for resonant converter |
| 02/25/2009 | CN201198066Y Main circuit topological structure of inverter submerged arc welding power supply |
| 02/25/2009 | CN101375488A Method and apparatus for controlling voltage linearity of voltage source inverters |
| 02/25/2009 | CN101373933A Half-bridge converter with balance capability and control method thereof |
| 02/25/2009 | CN101373932A Miniature surface-pasted single-phase full wave bridge rectifier and manufacturing method thereof |
| 02/25/2009 | CN101373931A Method and apparatus for stabilizing voltage of intermediate circuit of frequency converter |
| 02/25/2009 | CN101373921A Generator-motor apparatus, drive system including generator-motor apparatus, and computer-readable recording medium |
| 02/25/2009 | CN101372208A Double ended inverter system with a cross-linked ultracapacitor network |
| 02/25/2009 | CN100464489C Control of resonant circuit output characteristics and resonant circuit |
| 02/25/2009 | CN100464488C Power circuit |
| 02/25/2009 | CN100464487C Inverter control method and its device |
| 02/25/2009 | CN100464486C Power supply rectification circuit |
| 02/25/2009 | CN100464485C Method and device for controlling resonant transformer |
| 02/24/2009 | US7495940 Method and device for producing rectifier gating signals using a peak detector |
| 02/24/2009 | US7495938 DC voltage balance control for three-level NPC power converters with even-order harmonic elimination scheme |
| 02/24/2009 | US7495933 Resonance transducer |
| 02/24/2009 | US7495399 Power output apparatus and vehicle including the same |
| 02/19/2009 | WO2009023695A2 Power-over-ethernet isolation loss detector |
| 02/19/2009 | WO2009023366A1 Power supply configured to deliver ac welding-type power |
| 02/19/2009 | WO2008103696A8 3-phase high power ups |