On 12/26/06, Xiaofan Chen wrote: > > By the way, it might be more difficult to transmit the power to charge > the internal battery than transmitting data. > > 6 years ago, I was in a research lab and one student was doing > such research -- transcutaneous planar transformer. The power > achieved was quite limited at that time. > http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=1330040 > Take note the 20W achieved is from simulation (Ansoft Maxwell to extract the transformer model and Saber/PSpice for circuit simulation). I believe the achieved power is much less than that. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist