An inductive power system with integrated bi-directional data-transmission

被引：119
|
作者：
Catrysse, M [1 ]
Hermans, B [1 ]
Puers, R [1 ]
机构：
[1] Katholieke Univ Leuven, ESAT, MICAS, B-3001 Louvain, Belgium
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2004年 / 115卷 / 2-3期
关键词：
inductive powering; wireless data-transmission; implant monitoring;
D O I：
10.1016/j.sna.2004.02.016
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An inductive powering system is presented, capable of remotely powering implantable monitoring and stimulating devices. The system is capable of delivering at least 50 mW, with an efficiency of 36% over a distance of 3 cm. The power transfer frequency is 700 kHz. Optimisation of the power transfer efficiency and the misalignment tolerance was obtained using a self-developed design tool. Bi-directional data-transmission is integrated in the system: amplitude modulation is applied for the downlink transmission, absorption modulation for the uplink transmission. Our new system is capable of transmitting data at a maximal bit rate of 60,000 bits/s. (C) 2004 Published by Elsevier B.V.
引用
收藏
页码：221 / 229
页数：9
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