A new generation of universal contactless Battery Charging platform for portable Consumer Electronic equipment

This invention is related to a new planar inductive battery charger for portable electronic equipment such as mobile phones, palm pilots and CD players. New multilayer printed-circuit-board winding matrices of hexagonal structures that can generate magnetic flux of almost even magnitude over the surface of the winding arrays have been developed. The new concept forms the basis for a new generation of universal charging platform for a wide range of portable electronic equipment. Different types of portable electronic equipment can be placed and charged simultaneously on the charging platform, regardless of their positions and orientation. The principle and structure of the charging platform are explained and the feasibility has been confirmed with practical measurements. The proposed universal charging platform has been successfully used for mobile phones, MP3 players and electronic dictionaries.

[1]  Henry Shu-Hung Chung,et al.  Optimal operation of coreless PCB transformer-isolated gate drive circuits with wide switching frequency range , 1999 .

[2]  Henry Shu-Hung Chung,et al.  Coreless printed-circuit board transformers for signal and energy transfer , 1998 .

[3]  Andrew D. Brown,et al.  A contactless electrical energy transmission system , 1999, IEEE Trans. Ind. Electron..

[4]  Henry Shu-Hung Chung,et al.  Coreless printed circuit board (PCB) transformers for power MOSFET/IGBT gate drive circuits , 1999 .

[5]  Byungcho Choi,et al.  A new contactless battery charger for portable telecommunication/computing electronics , 2001, ICCE. International Conference on Consumer Electronics (IEEE Cat. No.01CH37182).

[6]  Joung-Hu Park,et al.  Design of a contactless battery charger for cellular phone , 2001, IEEE Trans. Ind. Electron..

[7]  Henry Shu-Hung Chung,et al.  Coreless Printed Circuit Board (PCB) Transformers-Fundamental Characteristics and Application Potential , 2001 .

[8]  Henry Shu-Hung Chung,et al.  Characterization of coreless printed circuit board (PCB) transformers , 1999, 30th Annual IEEE Power Electronics Specialists Conference. Record. (Cat. No.99CH36321).

[9]  H. Chung,et al.  A low-profile power converter using printed-circuit board (PCB) power transformer with ferrite polymer composite , 2001 .

[10]  Rui J. P. de Figueiredo,et al.  Coreless Printed Circuit Board ( PCB ) Transformers – Fundamental Characteristics and Application Potential , 2000 .

[11]  Henry Shu-Hung Chung,et al.  Coreless planar printed-circuit-board (PCB) transformers-a fundamental concept for signal and energy transfer , 2000 .

[12]  Henry Shu-Hung Chung,et al.  Coreless printed circuit board (PCB) transformers with high power density and high efficiency , 2000 .

[13]  Henry Shu-Hung Chung,et al.  Some electromagnetic aspects of coreless PCB transformers , 2000 .

[14]  Henry Shu-Hung Chung,et al.  Coreless printed circuit board (PCB) transformers with multiple secondary windings for complementary gate drive circuits , 1999 .