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Class Information
Number: 363/43
Name: Electric power conversion systems > Current conversion > With means to introduce or eliminate frequency components > In inverter systems > By step-wave, amplitude summation technique
Description: Subject matter in which a plurality of square waves are selectively combined to provide stepped waveform approaching a sine wave.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7577007 |
Power converting apparatus |
Aug. 18, 2009 |
| 7558081 |
Basic halogen convertor IC |
Jul. 7, 2009 |
| 7414866 |
Method for smoothing input current to a power delivery system having regeneration capability |
Aug. 19, 2008 |
| 7375489 |
Apparatus for generating sine waves of electromotive force, rotary switch using the apparatus, and generators using the rotary switch |
May. 20, 2008 |
| 7313008 |
Converter circuit for producing low harmonics |
Dec. 25, 2007 |
| 7307400 |
Inverter operation with over-modulation |
Dec. 11, 2007 |
| 7282871 |
Backlight inverter for inductively detecting current |
Oct. 16, 2007 |
| 7196919 |
Neutral point controller, method of controlling and rectifier system employing the controller and the method |
Mar. 27, 2007 |
| 7049777 |
Motor control device and motor control method |
May. 23, 2006 |
| 6969967 |
Multi-level dc bus inverter for providing sinusoidal and PWM electrical machine voltages |
Nov. 29, 2005 |
| 6930459 |
Method for reducing the influence of a DC current component in the load current of an asynchronous motor |
Aug. 16, 2005 |
| 6880168 |
Chat application for video game machine |
Apr. 12, 2005 |
| 6867987 |
Multilevel inverter control schemes |
Mar. 15, 2005 |
| 6621719 |
Converter with additional voltage addition or subtraction at the output |
Sep. 16, 2003 |
| 6430066 |
Electric power system having series connected capacitor |
Aug. 6, 2002 |
| 6201452 |
Systems and methods for converting a stream of complex numbers into a modulated radio power signal |
Mar. 13, 2001 |
| 6169676 |
Invertor |
Jan. 2, 2001 |
| 6151227 |
Controller for power converter |
Nov. 21, 2000 |
| 6097615 |
Power waveform synthesis using bilateral devices |
Aug. 1, 2000 |
| 6052296 |
Power breaker |
Apr. 18, 2000 |
| 6031738 |
DC bus voltage balancing and control in multilevel inverters |
Feb. 29, 2000 |
| 5995391 |
Control arrangement for a multilevel convertor |
Nov. 30, 1999 |
| 5949666 |
Staircase adaptive voltage generator circuit |
Sep. 7, 1999 |
| 5930128 |
Power waveform synthesis using bilateral devices |
Jul. 27, 1999 |
| 5852553 |
Harmonic neutralized voltage sourced inverter employing phase shifting interphase transformers |
Dec. 22, 1998 |
| 5841645 |
Multi-level inverter with low loss snubbing circuits |
Nov. 24, 1998 |
| 5805437 |
Power electronic circuit arrangement having plural power converters |
Sep. 8, 1998 |
| 5801936 |
Semiconductor module for a power conversion device |
Sep. 1, 1998 |
| 5784267 |
Quasi-sine wave and stepped square wave AC to AC converter |
Jul. 21, 1998 |
| 5751138 |
Active power conditioner for reactive and harmonic compensation having PWM and stepped-wave inverters |
May. 12, 1998 |
| 5731970 |
Power conversion device and semiconductor module suitable for use in the device |
Mar. 24, 1998 |
| 5682302 |
Adaptable power converter applying digitized-wave-generation for integrated circuit implementation |
Oct. 28, 1997 |
| 5657214 |
Stepped waveform PWM inverter |
Aug. 12, 1997 |
| 5652701 |
Inverter operation command apparatus |
Jul. 29, 1997 |
| 5610807 |
Power converting system with a plurality of charging capacitors |
Mar. 11, 1997 |
| 5559686 |
Stepped waveform inverter control |
Sep. 24, 1996 |
| 5495403 |
Stepped-waveform power converter utilizing a summing transformer and a single inverter bridge |
Feb. 27, 1996 |
| 5483433 |
Voltage control circuit for a multiple stage DC power supply, and applications thereof |
Jan. 9, 1996 |
| 5459655 |
Neutral-point clamped inverter device using semiconductor modules |
Oct. 17, 1995 |
| 5446642 |
Harmonic blocking converter system |
Aug. 29, 1995 |
| 5446643 |
Harmonic blocking converter system |
Aug. 29, 1995 |
| 5442537 |
Method for setting operation constants in an inverter device |
Aug. 15, 1995 |
| 5438503 |
Slew rate control in a multi-level switch |
Aug. 1, 1995 |
| 5373433 |
Power inverter for generating voltage regulated sine wave replica |
Dec. 13, 1994 |
| 5355297 |
Three-level three-phase inverter apparatus |
Oct. 11, 1994 |
| 5355296 |
Switching converter and summing transformer for use therein |
Oct. 11, 1994 |
| 5339235 |
Fault compensating multi-step wave inverter |
Aug. 16, 1994 |
| 5337227 |
Harmonic neutralization of static inverters by successive stagger |
Aug. 9, 1994 |
| 5317498 |
Electrical power generation system |
May. 31, 1994 |
| 5301098 |
Feedforward inverter phase control |
Apr. 5, 1994 |
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