Professor HUI, Ron Shu Yuen
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Contact: Knowledge Transfer Office
Telephone : (852) 3442 6441
E-mail : thmlee@cityu.edu.hk
Professional Expertise/Research Interests


Technologies for Licensing
Apparatus and Method for Providing Information Relating to a Motor
Apparatus and Method for Wireless Power Transfer
Automatic Lamp Detection and Optimal Operation for Fluorescent Lamps
Coreless Printed-Circuit-Board (PCB) Transformers
Dimmable LED Driver with Cascading Mag-Amp Postregulators
Electrical Excitation Method
Optimal Operation of Light Emitting Diodes (LED)
Passive LC Ballast
Planar EMI Filter
Use of Large-scale Lighting Systems as Smart Loads for
Patents
International PCT/IB2009/007289 Pending A Passive LC Ballast and Method of Manufacturing a Passive LC Ballast
Europe 10251216.7 Pending Apparatus And Method For Providing Information Relating To A Motor
US 12/501,645 Pending Apparatus and Method for Providing Information Relating to a Motor
International PCT/IB2011/000050 Pending Apparatus and Method for Wireless Power Transfer
US 13/129,793 Pending Apparatus and Methods of Operation of Passive and Active LED Lighting Equipment
International PCT/IB2010/002052 Pending Apparatus and Methods of Operation of Passive and Active LED Lighting Equipment
US 12/582,620 Pending Apparatus and Methods of Operation of Passive LED Lighting Equipment
US 12/544,545 Pending Apparatus and methods of Operation of Passive LED Lighting Equipment
US 12/474,001 Pending Apparatus and methods of Operation of Passive LED Lighting Equipment
US 12/429,792 Pending Apparatus and methods of Operation of Passive LED Lighting Equipment
UK GB2389767 Granted Apparatus for Energy Transfer by Induction
US 12/181,935 Pending Automatic Lamp Detection Method and Optimal Operation for Flurorescent Lamps
China 200680030162.3 Granted Auxiliary Winding for Improved Performance of a Planar Inductive Charging Platform
Europe EP06775418.4 Pending Auxiliary Winding for Improved Performance of a Planar Inductive Charging Platform
US 12/063,986 Pending Auxiliary Winding for Improved Performance of a Planar Inductive Charging Platform
UK 0616502.1 Pending Auxiliary Winding for Improved Performance of a Planar Inductive Charging Platform
UK GB2399466 Granted Battery Charging System
US US6,304,068 Granted Bi-Directional Switched-Capacitor Based Voltage Converter
US US7,521,873 Granted Circuit Designs and Control Techniques for High Frequency Electronic Ballasts for High Intensity Discharge Lamps
US US7,119,494 Granted Circuit Designs and Control Techniques for High Frequency Electronic Ballasts for High Intensity Discharge Lamps
US 61/304,097 Pending Control Circuits for Self-Driven Synchronous Rectifier as Energy-Efficient Replacement for Diode Rectifier
China ZL99100579.1 Granted Coreless PCB-based Transformers
US US7,768,371 Granted Coreless Printed-Circuit-Board (PCB) Transformers and Operating Techniques Therefor
UK EP(GB)0935263B Granted Coreless Printed-Circuit-Board (PCB) Transformers And Operating Techniques Therefor
US 12/847,638 Pending Coreless Printed-Circuit-Board (PCB) Transformers And Operating Techniques Therefor
International PCT/IB2011/000033 Pending Current balancing circuit and method
UK EP(GB)1164819 Granted Dimmable Electronic Ballast
France EP(FR)1164819 Granted Dimmable Electronic Ballast
Germany EP(DE)1164819 Granted Dimmable Electronic Ballast
Italy EP(IT)1164819 Granted Dimmable Electronic Ballast
Europe EP1164819 Granted Dimmable Electronic Ballast
US US6,545,431 Granted Dimmable Electronic Ballast
US US6,486,615 Granted Dimming Control of Electronic Ballasts
Europe 00310431.2 Pending Dimming Control of Electronic Ballasts
International PCT/IB2010/002816 Pending Driver for Two or More Parallel LED Light Strings
UK 2446305 Granted Electrical Excitation Method
China 200880124296.0 Pending Electronic Control Method for a Planar Inductive Battery Charging Apparatus
US 11/938,042 Pending Electronic Control Method for a Planar Inductive Battery Charging Apparatus
US US7,164,255 Granted Inductive Battery Charger System with Primary Transformer Windings Formed in a Multi-Layer Structure
International Pending Localized Charging. Load Identification and Bi-Directional Communication Methods for a Planar Inductive Battery Charging Pad
US US7,915,858 Granted Localized Charging. Load Identification and Bi-Directional Communication Methods for a Planar Inductive Battery Charging System
International PCT/IB2010/000272 Pending Method and Numerical Tool for Optimizing Light Emitting Diode Systems
UK EP (GB) 0935263B Pending Method of Operating a Corelelss PCB Transformer
Europe EP0935263B Granted Method of operating a coreless printed-circuit-board (PCB) transformer
US 12/370,101 Pending Methods for Optimal Operation of Light Emitting Diodes
Japan 3839729 Granted Novel Circuit Designs and Control Techniques for High Frequency Electronic Ballasts for High Intensity Discharge Lamps
Europe 02250283.5 Pending Novel Circuit Designs and Control Techniques for High Frequency Electronic Ballasts for High Intensity Discharge Lamps
Hong Kong 02109346.0 Pending Novel Circuit Designs and Control Techniques for High Frequency Electronic Ballasts for High Intensity Discharge Lamps 高亮度放電燈高頻電子鎮流器的新電路設計和控制技術
Germany DE69917504.6-08 Granted Operating techniques for coreless printed-circuit-board (PCB) transformers
US 12/325,390 Pending Planar EMI Filter
China Pending Planar EMI Filter
Europe 08252033.9 Pending Planar EMI Filter
UK GB2389720 Granted Planar Inductive Battery Charger
Hong Kong 05111977.9 Pending Planar Inductive Battery Charger
Europe 03724675.8 Pending Planar Inductive Battery Charger
US US7,576,514 Granted Planar Inductive Battery Charging System
US US6,888,438 Granted Planar Printed Circuit-Board Transformers with Effective Electromagnetic Interference (EMI) Shielding
US US6,501,364 Granted Planar Printed-Circuit-Board Transformers with Effective Electromagnetic Interference (EMI) Shielding
US 61/389,489 Pending Power Control Circuit and Method for Stabilizing a Power Supply
US US7,495,414 Granted Rechargeable Battery Circuit and Structure for Compatibility with a Planar Inductive Charging Platform
China 200680027155.8 Pending Rechargeable Battery Circuit and Structure for Compatibility with a Planar Inductive Charging Platform
Europe 06761571.6 Pending Rechargeable Battery Circuit and Structure for Compatibility with a Planar Inductive Charging Platform
US 200680027155.8 Pending Rechargeable Battery Circuit and Structure for Compatibility with a Planar Inductive Charging Platform
US US7,872,445 Granted Rechargeable Battery Powered Portable Electronic Device
US 12/898,898 Pending Self-Driven AC-DC Synchronous Rectifier for Power Applications
UK 0618647.2 Pending Semiconductor Transformers
US US6,580,275 Granted Single Sensor Control of Power Converters
US US7,110,269 Granted Soft-Switching Techniques for Power Inverter Legs
US US6,414,449 Granted Universal Electronic Ballast
US US6,297,621 Granted Voltage Sensorless Control of Power Converters
China ZL01129403.5 Granted 可調光式電子鎮流器
China ZL99100579.1 Granted 無鐵芯印刷電路板型變壓器
China ZL02103113.4 Granted 熒光灯的調光控制裝置與方法
China 200880118778.5 Pending 用于平面感应式电池充电系統的定点充电, 負載識別和双向通信方法
China 02102823.0 Pending 用於高强度氣體放電燈的高頻電子鎮流器的新穎电路設計和控制技術 (Novel Circuit Designs and Control Techniques for High Frequency Electronic Ballasts for High Intensity Discharge Lamps)
 
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