| Patent | Date |
|---|
Planar Omnidirectional Wireless Power Transfer System
App 20220311277 - Feng; Junjie ; et al. | 2022-09-29 |
Coupled Inductor Winding Structure For Common-mode Noise Reduction
App 20220310303 - Wang; Shuo ; et al. | 2022-09-29 |
Multi-phase Integrated Coupled Inductor Structure
App 20220293326 - Zhu; Feiyang ; et al. | 2022-09-15 |
Interleaved converters with integrated magnetics
Grant 11,404,967 - Fei , et al. August 2, 2 | 2022-08-02 |
Vitrectomy surgical apparatus with cut timing based on pressures encountered
Grant 11,376,157 - Lee , et al. July 5, 2 | 2022-07-05 |
Matrix transformer and winding structure
Grant 10,910,140 - Fei , et al. February 2, 2 | 2021-02-02 |
Vitrectomy surgical apparatus
Grant 10,881,549 - Lee , et al. January 5, 2 | 2021-01-05 |
Bidirectional three-phase direct current (DC)/DC converters
Grant 10,873,265 - Xue , et al. December 22, 2 | 2020-12-22 |
Integrated Parallel Matrix Transformer And Inductor
App 20200395164 - Ahmed; Mohamed Hassan Abouelella ; et al. | 2020-12-17 |
Efficient Wide Voltage Range Quasi-parallel Voltage Regulator
App 20200350827 - AHMED; Mohamed ; et al. | 2020-11-05 |
Magnetic Integration Of Matrix Transformer With Controllable Leakage Inductance
App 20200350117 - Nabih; Ahmed ; et al. | 2020-11-05 |
Interleaved converters with integrated magnetics
Grant 10,790,081 - Fei , et al. September 29, 2 | 2020-09-29 |
Inverse charge current mode (IQCM) control for power converter
Grant 10,673,328 - Bari , et al. | 2020-06-02 |
Switched capacitor converters with multi resonant frequencies
Grant 10,658,928 - Jong , et al. | 2020-05-19 |
Bidirectional Three-phase Direct Current (dc)/dc Converters
App 20190379291 - Xue; Hao ; et al. | 2019-12-12 |
Interleaved Converters With Integrated Magnetics
App 20190379292 - Fei; Chao ; et al. | 2019-12-12 |
Interleaved Converters With Integrated Magnetics
App 20190355506 - Fei; Chao ; et al. | 2019-11-21 |
Switched Capacitor Converters With Multi Resonant Frequencies
App 20190334434 - Jong; Owen ; et al. | 2019-10-31 |
Variable DC link converter and transformer for wide output voltage range applications
Grant 10,454,381 - Li , et al. Oc | 2019-10-22 |
Vitrectomy Surgical Apparatus With Cut Timing Based On Pressures Encountered
App 20190274880 - Lee; Fred C. ; et al. | 2019-09-12 |
Modular multilevel converter capacitor voltage ripple reduction
Grant 10,404,064 - Lyu , et al. Sep | 2019-09-03 |
Coupled inductor for interleaved multi-phase three-level DC-DC converters
Grant 10,396,684 - Mu , et al. A | 2019-08-27 |
Omnidirectional wireless power transfer system
Grant 10,333,353 - Feng , et al. | 2019-06-25 |
Vitrectomy surgical apparatus with cut timing based on pressures encountered
Grant 10,307,291 - Lee , et al. | 2019-06-04 |
Current mode control DC-DC converter with single step load transient response
Grant 10,312,805 - Li , et al. | 2019-06-04 |
Critical-mode-based soft-switching techniques for three-phase bi-directional AC/DC converters
Grant 10,291,109 - Huang , et al. | 2019-05-14 |
Multiphase coupled and integrated inductors with printed circuit board (PBC) windings for power factor correction (PFC) converters
Grant 10,217,559 - Yang , et al. Feb | 2019-02-26 |
Transient performance improvement for constant on-time power converters
Grant 10,110,122 - Bari , et al. October 23, 2 | 2018-10-23 |
Low profile coupled inductor substrate with transient speed improvement
Grant 10,109,404 - Su , et al. October 23, 2 | 2018-10-23 |
Multi-step simplified optimal trajectory control (SOTC) based on only Vo and I load
Grant 10,075,083 - Fei , et al. September 11, 2 | 2018-09-11 |
Matrix Transformer and Winding Structure
App 20180226182 - Fe; Chao ; et al. | 2018-08-09 |
Critical-mode-based Soft-switching Techniques For Three-phase Bi-directional Ac/dc Converters
App 20180205306 - Huang; Zhengrong ; et al. | 2018-07-19 |
Hybrid interleaving structure with adaptive phase locked loop for variable frequency controlled switching converter
Grant 10,013,007 - Liu , et al. July 3, 2 | 2018-07-03 |
Variable Dc Link Converter And Transformer For Wide Output Voltage Range Applications
App 20180076723 - Li; Bin ; et al. | 2018-03-15 |
Universal system structure for low power adapters
Grant 9,847,710 - Lee , et al. December 19, 2 | 2017-12-19 |
Circuit and method for driving synchronous rectifiers for high-frequency flyback converters
Grant 9,812,978 - Huang , et al. November 7, 2 | 2017-11-07 |
Multiphase Coupled and Integrated Inductors with Printed Circuit Board (PCB) Windings for Power Factor Correction (PFC) Converters
App 20170294833 - Yang; Yuchen ; et al. | 2017-10-12 |
Avoiding internal switching loss in soft switching cascode structure device
Grant 9,735,238 - Huang , et al. August 15, 2 | 2017-08-15 |
Omnidirectional Wireless Power Transfer System
App 20170222483 - Feng; Junjie ; et al. | 2017-08-03 |
Maximum power point tracking for solar panels
Grant 9,685,790 - Wu , et al. June 20, 2 | 2017-06-20 |
External ramp autotuning for current mode control of switching converter
Grant 9,678,521 - Liu , et al. June 13, 2 | 2017-06-13 |
V^2 power converter control with capacitor current ramp compensation
Grant 9,601,997 - Yan , et al. March 21, 2 | 2017-03-21 |
Vitrectomy surgical apparatus with regulating of material processed
Grant 9,597,228 - Lynn , et al. March 21, 2 | 2017-03-21 |
Vitrectomy Surgical Apparatus
App 20170071789 - Lee; Fred C. ; et al. | 2017-03-16 |
Vitrectomy Surgical Apparatus With Cut Timing Based On Pressures Encountered
App 20170065456 - Lee; Fred C. ; et al. | 2017-03-09 |
Method for reducing or eliminating conducted common mode noise in a transformer
Grant 9,589,718 - Yang , et al. March 7, 2 | 2017-03-07 |
Modular Multilevel Converter Capacitor Voltage Ripple Reduction
App 20170054294 - Lyu; Yadong ; et al. | 2017-02-23 |
High frequency integrated point-of-load power converter with embedded inductor substrate
Grant 9,564,264 - Su , et al. February 7, 2 | 2017-02-07 |
Two-stage multichannel LED driver with CLL resonant circuit
Grant 9,544,956 - Chen , et al. January 10, 2 | 2017-01-10 |
Vitrectomy surgical apparatus with cut timing based on pressures encountered
Grant 9,498,376 - Lee , et al. November 22, 2 | 2016-11-22 |
Inverse Charge Current Mode (IQCM) Control for Power Converter
App 20160301303 - Bari; Syed ; et al. | 2016-10-13 |
Circuit and Method for Driving Synchronous Rectifiers for High-Frequency Flyback Converters
App 20160294292 - Huang; Xiucheng ; et al. | 2016-10-06 |
Multi-Step Simplified Optimal Trajectory Control (SOTC) Based on Only Vo and I Load
App 20160294297 - Fei; Chao ; et al. | 2016-10-06 |
Current Mode Control DC-DC Converter with Single Step Load Transient Response
App 20160294278 - Li; Virginia ; et al. | 2016-10-06 |
Universal System Structure for Low Power Adapters
App 20160294296 - Lee; Fred C. ; et al. | 2016-10-06 |
Coupled Inductor for Interleaved Multi-Phase Three-Level DC-DC Converters
App 20160172976 - Mu; Mingkai ; et al. | 2016-06-16 |
I.sup.2 average current mode (ACM) control for switching power converters
Grant 9,343,964 - Yan , et al. May 17, 2 | 2016-05-17 |
Optimal trajectory control for LLC resonant converter for soft start-up
Grant 9,318,946 - Feng , et al. April 19, 2 | 2016-04-19 |
Vitrectomy Surgical Apparatus With Regulating Of Material Processed
App 20160095745 - Lynn; Kyle E. ; et al. | 2016-04-07 |
Low Profile Coupled Inductor Substrate with Transient Speed Improvement
App 20160086723 - Su; Yipeng ; et al. | 2016-03-24 |
Vitrectomy surgical apparatus with regulating of material processed
Grant 9,271,867 - Lynn , et al. March 1, 2 | 2016-03-01 |
Optimal trajectory control for LLC resonant converter for LED PWM dimming
Grant 9,276,480 - Feng , et al. March 1, 2 | 2016-03-01 |
Two-Stage Multichannel LED Driver with CLL Resonant Circuit
App 20150289331 - Chen; Xuebing ; et al. | 2015-10-08 |
Hybrid Interleaving Structure with Adaptive Phase Locked Loop for Variable Frequency Controlled Switching Converter
App 20150277460 - Liu; Pei-Hsin ; et al. | 2015-10-01 |
Transient Performance Improvement for Constant On-Time Power Converters
App 20150280556 - Bari; Syed ; et al. | 2015-10-01 |
Avoiding Internal Switching Loss in Soft Switching Cascode Structure Device
App 20150200583 - Huang; Xiucheng ; et al. | 2015-07-16 |
Multi-channel two-stage controllable constant current source and illumination source
Grant 9,000,673 - Feng , et al. April 7, 2 | 2015-04-07 |
High Frequency Integrated Point-of-Load Power Converter with Embedded Inductor Substrate
App 20150062989 - Su; Yipeng ; et al. | 2015-03-05 |
Transformer Shielding for Common Mode Noise Reduction in Isolated Converters
App 20140334198 - Yang; Yuchen ; et al. | 2014-11-13 |
Optimal Trajectory Control for LLC Resonant Converter for LED PWM Dimming
App 20140312789 - Feng; Weiyi ; et al. | 2014-10-23 |
Optimal Trajectory Control for LLC Resonant Converter for Soft Start-Up
App 20140313790 - Feng; Weiyi ; et al. | 2014-10-23 |
External Ramp Autotuning for Current Mode Control of Switching Converter
App 20140306680 - Liu; Pei-Hsin ; et al. | 2014-10-16 |
Maximum Power Point Tracking for Solar Panels
App 20140306540 - Wu; Xinke ; et al. | 2014-10-16 |
V+hu 2 +l Power Converter Control with Capacitor Current Ramp Compensation
App 20140292300 - Yan; Yingyi ; et al. | 2014-10-02 |
I+hu 2 +l Average Current Mode (ACM) Control for Switching Power Converters
App 20140292288 - Yan; Yingyi ; et al. | 2014-10-02 |
High frequency loss measurement apparatus and methods for inductors and transformers
Grant 8,823,370 - Mu , et al. September 2, 2 | 2014-09-02 |
Adaptive on-time control for power factor correction stage light load efficiency
Grant 8,803,489 - Li , et al. August 12, 2 | 2014-08-12 |
Vitrectomy Surgical Apparatus With Regulating Of Material Processed
App 20140171993 - Lynn; Kyle E. ; et al. | 2014-06-19 |
Vitrectomy Surgical Apparatus
App 20140171994 - Lee; Fred C. ; et al. | 2014-06-19 |
Vitrectomy Surgical Apparatus With Cut Timing Based On Pressures Encountered
App 20140171991 - Lee; Fred C. ; et al. | 2014-06-19 |
Multi-phase EMI noise separator
Grant 8,698,579 - Wang , et al. April 15, 2 | 2014-04-15 |
Multi-channel constant current source and illumination source
Grant 8,598,807 - Ji , et al. December 3, 2 | 2013-12-03 |
Digital hybrid V.sup.2 control for buck converters
Grant 8,575,911 - Cheng , et al. November 5, 2 | 2013-11-05 |
Multi-Channel Two-Stage Controllable Constant Current Source and Illumination Source
App 20130285565 - Feng; Weiyi ; et al. | 2013-10-31 |
High Frequency Loss Measurement Apparatus and Methods for Inductors and Transformers
App 20130049744 - Mu; Mingkai ; et al. | 2013-02-28 |
Switching capacitor--PWM power converter
Grant 8,331,110 - Xu , et al. December 11, 2 | 2012-12-11 |
Electromagnetic interference noise separator
Grant 8,125,291 - Wang , et al. February 28, 2 | 2012-02-28 |
Adaptive On-time Control For Power Factor Correction Stage Light Load Efficiency
App 20120014148 - Li; Qian ; et al. | 2012-01-19 |
Digital Hybrid V2 Control for Buck Converters
App 20110316508 - Cheng; Kuang-Yao ; et al. | 2011-12-29 |
Multi-channel Constant Current Source And Illumination Source
App 20110291574 - Ji; Shu ; et al. | 2011-12-01 |
Multi-phase Emi Noise Separator
App 20110241799 - Wang; Shuo ; et al. | 2011-10-06 |
Switching Capacitor-PWM Power Converter
App 20110140679 - Xu; Ming ; et al. | 2011-06-16 |
Electromagnetic Interference Noise Separator
App 20110050358 - Wang; Shuo ; et al. | 2011-03-03 |
Quasi-parallel voltage regulator
Grant 7,872,886 - Xu , et al. January 18, 2 | 2011-01-18 |
Multiphase voltage regulator having coupled inductors with reduced winding resistance
Grant 7,821,375 - Dong , et al. October 26, 2 | 2010-10-26 |
Coupled-inductor multi-phase buck converters
Grant 7,791,321 - Xu , et al. September 7, 2 | 2010-09-07 |
Non-isolated bus converters with voltage divider topology
Grant 7,746,041 - Xu , et al. June 29, 2 | 2010-06-29 |
Asymmetrical interleaving strategy for multi-channel power converters
Grant 7,746,675 - Wang , et al. June 29, 2 | 2010-06-29 |
Multi-element resonant converters
Grant 7,742,318 - Fu , et al. June 22, 2 | 2010-06-22 |
Digital power supply control
Grant 7,705,577 - Li , et al. April 27, 2 | 2010-04-27 |
Multiphase voltage regulator having coupled inductors with reduced winding resistance
Grant 7,649,434 - Xu , et al. January 19, 2 | 2010-01-19 |
Multi-Element Resonant Converters
App 20090303753 - Fu; Dianbo ; et al. | 2009-12-10 |
Input current sensing AVP method for future VRM
Grant 7,605,572 - Xu , et al. October 20, 2 | 2009-10-20 |
Phase compensation driving scheme for synchronous rectifiers
Grant 7,602,154 - Fu , et al. October 13, 2 | 2009-10-13 |
Common mode noise reduction using parasitic capacitance cancellation
Grant 7,602,159 - Wang , et al. October 13, 2 | 2009-10-13 |
Hybrid filter for high slew rate output current application
Grant 7,583,065 - Xu , et al. September 1, 2 | 2009-09-01 |
Quasi-Parallel Voltage Regulator
App 20090206804 - Xu; Ming ; et al. | 2009-08-20 |
Hybrid control methods for digital pulse width modulator (DPWM)
Grant 7,570,037 - Li , et al. August 4, 2 | 2009-08-04 |
Hybrid filter for high slew rate output current application
Grant 7,560,912 - Xu , et al. July 14, 2 | 2009-07-14 |
Hybrid Filter for High Slew Rate Output Current Application
App 20090174378 - Xu; Ming ; et al. | 2009-07-09 |
Cancellation of inductor winding capacitance
Grant 7,554,423 - Wang , et al. June 30, 2 | 2009-06-30 |
Generalized cancellation of inductor winding capacitance
Grant 7,548,137 - Wang , et al. June 16, 2 | 2009-06-16 |
Digital Constant On-Time Power Supply Control
App 20080298090 - Li; Jian ; et al. | 2008-12-04 |
Phase Compensation Driving Scheme for Synchronous Rectifiers
App 20080285312 - Fu; Dianbo ; et al. | 2008-11-20 |
Asymmetrical Interleaving Strategy for Multi-Channel Power Converters
App 20080239771 - Wang; Chuanyun ; et al. | 2008-10-02 |
Common Mode Noise Reduction Using Parasitic Capacitance Cancellation
App 20080204126 - Wang; Shuo ; et al. | 2008-08-28 |
Coupled-Inductor Multi-Phase Buck Converters
App 20080205098 - Xu; Ming ; et al. | 2008-08-28 |
Discharge lamp lighting control device
Grant 7,391,165 - Lee , et al. June 24, 2 | 2008-06-24 |
Hybrid Control Methods For Digital Pulse Width Modulator (dpwm)
App 20080116871 - Li; Jian ; et al. | 2008-05-22 |
Generalized Cancellation Of Inductor Winding Capacitance
App 20080094160 - Wang; Shuo ; et al. | 2008-04-24 |
Cancellation of Inductor Winding Capacitance
App 20080094153 - Wang; Shuo ; et al. | 2008-04-24 |
Non-Isolated Bus Converters with Voltage Divider Topology
App 20070296383 - Xu; Ming ; et al. | 2007-12-27 |
Hybrid Filter For High Slew Rate Output Current Application
App 20070247126 - Xu; Ming ; et al. | 2007-10-25 |
Self-driven scheme for synchronous rectifier having no body diode
Grant 7,265,525 - Xu , et al. September 4, 2 | 2007-09-04 |
Power converters having output capacitor resonant with autotransformer leakage inductance
Grant 7,254,047 - Ren , et al. August 7, 2 | 2007-08-07 |
Multiphase voltage regulator having coupled inductors with reduced winding resistance
App 20070176726 - Xu; Ming ; et al. | 2007-08-02 |
Multiphase Voltage Regulator Having Coupled Inductors With Reduced Winding Resistance
App 20070175701 - Xu; Ming ; et al. | 2007-08-02 |
Current sensing in multiple coupled inductors by time constant matching to leakage inductance
Grant 7,233,132 - Dong , et al. June 19, 2 | 2007-06-19 |
Multiphase Voltage Regulator Having Coupled Inductors With Reduced Winding Resistance
App 20070090915 - Zhou; Jinghai ; et al. | 2007-04-26 |
Multiphase voltage regulator having coupled inductors with reduced winding resistance
Grant 7,199,695 - Zhou , et al. April 3, 2 | 2007-04-03 |
Power converters having capacitor resonant with transformer leakage inductance
Grant 7,196,914 - Ren , et al. March 27, 2 | 2007-03-27 |
Buck converter with high efficiency gate driver providing extremely short dead time
Grant 7,184,281 - Ren , et al. February 27, 2 | 2007-02-27 |
EMI filter and frequency filters having capacitor with inductance cancellation loop
Grant 7,180,389 - Wang , et al. February 20, 2 | 2007-02-20 |
Adaptive bus voltage positioning for two-stage voltage regulators
Grant 7,161,335 - Wei , et al. January 9, 2 | 2007-01-09 |
Discharge lamp lighting control device
App 20060279230 - Lee; Fred C. ; et al. | 2006-12-14 |
Self-driven scheme for synchronous rectifier
App 20060226819 - Xu; Ming ; et al. | 2006-10-12 |
Input current sensing AVP method for future VRM
App 20060226822 - Xu; Ming ; et al. | 2006-10-12 |
Two-stage voltage regulators with adjustable intermediate bus voltage, adjustable switching frequency, and adjustable number of active phases
Grant 7,071,660 - Xu , et al. July 4, 2 | 2006-07-04 |
EMI filter and frequency filters having capacitor with inductance cancellation loop
App 20060132257 - Wang; Shuo ; et al. | 2006-06-22 |
Power converters having capacitor resonant with transformer leakage inductance
App 20060109695 - Ren; Yuancheng ; et al. | 2006-05-25 |
Power converters having output capacitor resonant with autotransformer leakage inductance
App 20060109696 - Ren; Yuancheng ; et al. | 2006-05-25 |
Buck converter with high efficiency gate driver providing extremely short dead time
App 20060087304 - Ren; Yuancheng ; et al. | 2006-04-27 |
Self-driven circuit for synchronous rectifier DC/DC converter
Grant 7,016,203 - Xu , et al. March 21, 2 | 2006-03-21 |
Quasi-resonant DC-DC converters with reduced body diode loss
Grant 6,989,997 - Xu , et al. January 24, 2 | 2006-01-24 |
Coupled inductor DC/DC converter
App 20060012348 - Zhao; Qun ; et al. | 2006-01-19 |
Multi-phase interleaving isolated DC/DC converter
Grant 6,944,033 - Xu , et al. September 13, 2 | 2005-09-13 |
Adaptive bus voltage positioning for two-stage voltage regulators
App 20050184712 - Wei, Jia ; et al. | 2005-08-25 |
Two-stage voltage regulators with adjustable intermediate bus voltage, adjustable switching frequency, and adjustable number of active phases
App 20050184713 - Xu, Ming ; et al. | 2005-08-25 |
Accelerated commutation for passive clamp isolated boost converters
Grant 6,876,556 - Zhu , et al. April 5, 2 | 2005-04-05 |
Bridge-buck converter with self-driven synchronous rectifiers
Grant 6,859,372 - Xu , et al. February 22, 2 | 2005-02-22 |
Quasi-resonant DC-DC converters with reduced body diode loss
App 20040264214 - Xu, Ming ; et al. | 2004-12-30 |
Self-driven circuit for synchronous rectifier DC/DC converter
App 20040257837 - Xu, Ming ; et al. | 2004-12-23 |
Bridge-buck converter with self-driven synchronous rectifiers
App 20040246748 - Xu, Ming ; et al. | 2004-12-09 |
Self-driven circuit for synchronous rectifier DC/DC converter
Grant 6,819,574 - Xu , et al. November 16, 2 | 2004-11-16 |
Mounting and heatsink method for piezoelectric transformer
Grant 6,800,985 - Baker , et al. October 5, 2 | 2004-10-05 |
Multiphase clamp coupled-buck converter and magnetic integration
Grant 6,784,644 - Xu , et al. August 31, 2 | 2004-08-31 |
Method and apparatus for reduction of energy loss due to body diode conduction in synchronous rectifiers
Grant 6,781,853 - Xu , et al. August 24, 2 | 2004-08-24 |
Self-driven circuit for synchronous rectifier DC/DC converter
App 20040145920 - Xu, Ming ; et al. | 2004-07-29 |
Step-down buck converter with full bridge circuit
Grant 6,757,184 - Wei , et al. June 29, 2 | 2004-06-29 |
Step-down Buck Converter With Full Bridge Circuit
App 20040100805 - Wei, Jia ; et al. | 2004-05-27 |
Self-oscillating electronic discharge lamp ballast with dimming control
Grant 6,696,803 - Tao , et al. February 24, 2 | 2004-02-24 |
Method and apparatus for reduction of energy loss due to body diode conduction in synchronous rectifiers
App 20030174522 - Xu, Ming ; et al. | 2003-09-18 |
Start-up circuit and control for high power isolated boost DC/DC converters
Grant 6,587,356 - Zhu , et al. July 1, 2 | 2003-07-01 |
Mounting and heatsink method for piezoelectric transformer
App 20030020372 - Baker, Eric M. ; et al. | 2003-01-30 |
Accelerated commutation for passive clamp isolated boost converters
App 20030002304 - Zhu, Lizhi ; et al. | 2003-01-02 |
Start-up circuit and control for high power isolated boost DC/DC converters
App 20020159280 - Zhu, Lizhi ; et al. | 2002-10-31 |
Accelerated commutation for passive clamp isolated boost converters
Grant 6,452,815 - Zhu , et al. September 17, 2 | 2002-09-17 |
Multiphase clamp coupled-buck converter and magnetic integration
App 20020118000 - Xu, Peng ; et al. | 2002-08-29 |
Self-oscillating electronic discharge lamp ballast with dimming control
App 20020113556 - Tao, Fengfeng ; et al. | 2002-08-22 |
Current sensing and current sharing
Grant 6,414,469 - Zhou , et al. July 2, 2 | 2002-07-02 |
Current sensing and current sharing
App 20020036486 - Zhou, Xunwei ; et al. | 2002-03-28 |
Zero voltage zero current three level DC-DC converter
Grant 6,349,044 - Canales-Abarca , et al. February 19, 2 | 2002-02-19 |
Three-phase zero-current-transition (ZCT) inverters and rectifiers with three auxiliary switches
Grant 6,337,801 - Li , et al. January 8, 2 | 2002-01-08 |
Soft-switched quasi-single-stage (QSS) bi-directional inverter/charger
Grant 6,330,170 - Wang , et al. December 11, 2 | 2001-12-11 |
Three-phase zero-current-transition (ZCT) inverters and rectifiers with three auxiliary switches
App 20010033507 - Li, Yong ; et al. | 2001-10-25 |
Single-stage input current shaping technique with voltage-doubler rectifier front-end
Grant 6,147,882 - Huber , et al. November 14, 2 | 2000-11-14 |
Power supply for supplying AC output power
Grant 6,057,652 - Chen , et al. May 2, 2 | 2000-05-02 |
Gas discharge lamp inverter with a wide input voltage range
Grant 5,949,199 - Qian , et al. September 7, 1 | 1999-09-07 |
Method and apparatus for automatic average current mode controlled power factor correction without input voltage sensing
Grant 5,920,471 - Rajagopalan , et al. July 6, 1 | 1999-07-06 |
Discharge lamp driving circuit having resonant circuit defining two resonance modes
Grant 5,914,572 - Qian , et al. June 22, 1 | 1999-06-22 |
Soft switched three-phase boost rectifiers and voltage source inverters
Grant 5,633,793 - Lee , et al. May 27, 1 | 1997-05-27 |
Zero-voltage-transition (ZVT) 3-phase PWM voltage link converters
Grant 5,574,636 - Lee , et al. November 12, 1 | 1996-11-12 |
Damped EMI input filter power factor correction circuits
Grant 5,530,396 - Vlatkovic , et al. June 25, 1 | 1996-06-25 |
Zero-current transition PWM converters
Grant 5,486,752 - Hua , et al. January 23, 1 | 1996-01-23 |
Soft-switching PWM converters
Grant 5,442,540 - Hua , et al. August 15, 1 | 1995-08-15 |
Zero-voltage-switched, three-phase PWM rectifier inverter circuit
Grant 5,432,695 - Vlatkovic , et al. July 11, 1 | 1995-07-11 |
Zero-voltage-transition pulse-width-modulated converters
Grant 5,418,704 - Hua , et al. May 23, 1 | 1995-05-23 |
Zero-voltage-switched, three-phase pulse-width-modulating switching rectifier with power factor correction
Grant 5,329,439 - Borojevic , et al. July 12, 1 | 1994-07-12 |
Novel zero-voltage-switching family of isolated converters
Grant 5,325,283 - Farrington , et al. June 28, 1 | 1994-06-28 |
Zero-voltage transition PWM converters
Grant 5,262,930 - Hua , et al. November 16, 1 | 1993-11-16 |
Constant frequency zero-voltage-switching multi-resonant converter
Grant 4,931,716 - Jovanovic , et al. June 5, 1 | 1990-06-05 |
Multi-loop control for quasi-resonant converters
Grant 4,866,367 - Ridley , et al. September 12, 1 | 1989-09-12 |
Half-bridge zero-voltage switched multi-resonant converters
Grant 4,860,184 - Tabisz , et al. August 22, 1 | 1989-08-22 |
Zero-voltage-switched multi-resonant converters including the buck and forward type
Grant 4,857,822 - Tabisz , et al. August 15, 1 | 1989-08-15 |
Non-destructive tester for transistors
Grant 4,851,769 - Carpenter , et al. July 25, 1 | 1989-07-25 |
Dc-to-Dc converters using multi-resonant switches
Grant 4,841,220 - Tabisz , et al. June 20, 1 | 1989-06-20 |
Resonant converters with secondary-side resonance
Grant 4,785,387 - Lee , et al. November 15, 1 | 1988-11-15 |
Zero-current switching quasi-resonant converters operating in a full-wave mode
Grant 4,720,667 - Lee , et al. January 19, 1 | 1988-01-19 |
Zero-voltage switching quasi-resonant converters
Grant 4,720,668 - Lee , et al. January 19, 1 | 1988-01-19 |
Beaded liquid product and method for reducing coefficient of friction
Grant 4,232,981 - Lee November 11, 1 | 1980-11-11 |
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