1. Single-Arm Electrode for wireless ECG signal transmission system(part 3)
Presenter: Hsuan-Han Chiang Adviser: Dr. Hung-Chi Yang Date:
2010/11/17

2. Results
3D Fields measurement
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3. Results Average SAR=441 W/Kg Average SAR=377 W/Kg
The SAR value distribution curve that simulate the antenna in the tissue.
The SAR value distribution curve that immersed into the concave of FR4 substrate
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4. Results ECG circuit & Transmitter Circuit ECG circuit
Zigbee Module
ECG circuit
Transmitter Circuit
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5. Results
LabVIEW display interface
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6. Results The FPC of electrode Electrode’s position on left upper arm
※ FPC-Flexible Print Circuit(軟性基板)
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7. Results ECG measure on left upper arm from ECG circuit
(b) signal process by MATLAB
ECG measure on right upper arm
(a) from ECG circuit
(b) signal process by MATLAB
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8. Results ECG measure on left elbow from ECG circuit
(b) signal process by MATLAB
ECG measure on right elbow
(a) from ECG circuit
(b) signal process by MATLAB
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9. Results ECG measure on left lower arm from ECG circuit
(b) signal process by MATLAB
ECG measure on right lower arm
(a) from ECG circuit
(b) signal process by MATLAB
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10. Conclusions
The electrode antenna have been accomp-lished in the ISM band .
ECG gelatin can separated the proposed antenna pattern from the human skin. Therefore, the SAR will be decreased.
It is possible to measure the ECG signal with the FPC of electrode attached to the arm .
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11. Future Work Improve the resonant frequency
Enhance the antenna radiation efficiency
Improve ECG circuit
Design of electrode antenna using Flexible Print Circuit
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12. References
[1] Angelopoulos E S, Anastopoulos A Z, Kaklamani D I, et al.”Circular and elliptical 　
　　 CPW-fed slot and microstrip-fed antennas for ultra-wideband applications”. IEEE 　
　　 Antennas and Wireless Propagation Letters, 2006, 5: 294–297.
[2]　 H. C. Liu, T. S. Horng and N. G. Alexopoulous, “ Radiation of Printed Antennas 　
　　　with a Coplanar Waveguide Feed,“ IEEE Trans. Antennas Proporgat., vol. 10, pp. 　
　　　 , 1995.
[3]　 Evangelos S. Angelopoulos, Argiris Z. Anastopoulos, Dimitra I. Kaklamani,” Circular
and Elliptical CPW-Fed Slot and Microstrip-Fed Antennas for Ultrawideband
Applications”, IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS,
VOL. 5, 2006
[4] CHENG P. WEN,, “Coplanar Waveguide: A Surface Strip Transmission Line Suitable 　
　　 for Nonreciprocal Gyromagnetic Device Applications,” IEEE Transactions On
　　 Microwave Theory And Techniques, Vol. MTT-17, NO. 12, December 1969.
[5] 　Shantz, H. G “Planar Elliptical Element Ultra-Wideband Dipole Antenna”, In:IEEE 　
　　 APS/URSI Conference,2002.
[6] T.Maruyama‘,M.Makikawa’,’’ ECG Measurement Using Capacitive Coupling
Electrodes for Man-Machine Emotional Communication ”, IEEE/ICME International
Conference on Complex Medical Engineering ,2007.
[7]
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13. Thank you For your attention
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