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Browse by Category: Main > Electrical & Energy
Class Information
Number: 363/48
Name: Electric power conversion systems > Current conversion > With means to introduce or eliminate frequency components > In rectifier systems > Including means for reducing ripples from the output > With low pass l or lc filter > For semiconductor rectifier
Description: Subject matter wherein the rectification is performed by a semiconductor system or device.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8601673 Method of producing an inductor with a high inductance Dec. 10, 2013
8593837 Power supply device and method, based on power supply mode, for image forming apparatus Nov. 26, 2013
8531142 Bi-power motor controlling apparatus Sep. 10, 2013
8468837 High efficiency thermoelectric cooling system and method of operation Jun. 25, 2013
8427853 Power factor correction converter including operation mode determination unit Apr. 23, 2013
8407883 Magnetically enhanced power inductor with self-aligned hard axis magnetic core produced in an applied magnetic field using a damascene process sequence Apr. 2, 2013
8375566 Method of providing arc-resistant dry type transformer enclosure Feb. 19, 2013
8307534 Method of forming a coupled coil arrangement Nov. 13, 2012
8302287 Method of manufacturing a multilayer inductor Nov. 6, 2012
8215003 Method of fabricating reactor Jul. 10, 2012
8209849 Method for producing multilayer inductor Jul. 3, 2012
8205324 Method of fabricating an inductor structure Jun. 26, 2012
8136222 Method of forming a coupled coil arrangement Mar. 20, 2012
8116104 Power supply apparatus with noise attenuator to reduce harmonic current and electronic device having the power supply apparatus Feb. 14, 2012
8108984 Method for manufacturing integrated circuit inductors having slotted magnetic material Feb. 7, 2012
8022575 Damping electromagnetic oscillations in power systems Sep. 20, 2011
7978486 Rectifier circuit and radio communication device using the same Jul. 12, 2011
7921546 Method for making a high current low profile inductor Apr. 12, 2011
7886425 Method of manufacturing a transformer Feb. 15, 2011
7881078 Twelve-pulse HVDC transmission Feb. 1, 2011
7849586 Method of making a power inductor with reduced DC current saturation Dec. 14, 2010
7841070 Method of fabricating a transformer device Nov. 30, 2010
7843709 Rectifier circuit and radio communication device using the same Nov. 30, 2010
7836578 Method of fabricating coil-embedded inductor Nov. 23, 2010
7817449 Power supply apparatus for attenuating noise Oct. 19, 2010
7746675 Asymmetrical interleaving strategy for multi-channel power converters Jun. 29, 2010
7724550 Organic rectifier May. 25, 2010
7617590 Method of manufacturing an embedded inductor Nov. 17, 2009
7586764 Synchronized rectifier filter control device for protecting a power supply from reverse current Sep. 8, 2009
7584533 Method of fabricating an inductor structure on an integrated circuit structure Sep. 8, 2009
7568278 Method of manufacturing inductor Aug. 4, 2009
7412766 Method of fabricating coil-embedded inductor Aug. 19, 2008
7382112 Methods and devices for input waveform control in switching power supplies Jun. 3, 2008
7365998 Unregulated isolated DC/DC converter with ripple control Apr. 29, 2008
7280938 Method for determining a negative sequence component Oct. 9, 2007
7277302 12-pulse converter including a filter choke incorporated in the rectifier Oct. 2, 2007
7266000 Controlled inrush current limiter Sep. 4, 2007
7095636 Electromagnetic interference filter for an autotransformer Aug. 22, 2006
6950950 Technique for conveying overload conditions from an AC adapter to a load powered by the adapter Sep. 27, 2005
6922883 Method for making a non-linear inductor Aug. 2, 2005
6850424 Inverter with a line-side and load-side freewheeling pulse converter using SiC switching elements Feb. 1, 2005
6844690 DC offset compensator Jan. 18, 2005
6774758 Low harmonic rectifier circuit Aug. 10, 2004
6735097 Method and apparatus of using leakage inductance as a boost inductor May. 11, 2004
6697265 Wide range DC power supply utilizing voltage doubling output capacitors and inductive choke to extend full power load impedance range Feb. 24, 2004
6661678 Power factor corrected UPS with improved connection of battery to neutral and methods of operation thereof Dec. 9, 2003
6661680 Higher harmonic suppressor element and DC power supply unit using the same Dec. 9, 2003
6567283 Enhanced conduction angle power factor correction topology May. 20, 2003
6549436 Integrated magnetic converter circuit and method with improved filtering Apr. 15, 2003
6400586 Power factor corrected UPS with improved connection of battery to neutral Jun. 4, 2002

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