Development of basic system of ingestible core body thermometer with small size and low energy consumption powered by gastric acid battery

Shinya Yoshida, Hiroshi Miyaguchi, Tsutomu Nakamura

研究成果: Conference contribution

2 被引用数 (Scopus)

抄録

In this study, we have developed a basic system of an ingestible core body thermometer powered by a gastric acid battery. A custom integrated circuit (IC) with voltage boosting, coding, modulating and transmitting functions was prototyped. A small gastric acid battery based on a pair of Mg and Pt thin-film electrodes was also fabricated by microfabrication technology. Charge storage in a storage capacitor was succeeded with the battery and IC at the boosted voltage of about 3 V. Then, an evaluation board of this system was prepared. The footprint for mounting the essential electrical components was reasonably small, which suggested the possibility to miniaturize this system to a tablet size. Magnetic-field coupling telecommunication of measured temperature data between a small transmission coil and a loop antenna as a receiver was successfully demonstrated. The power consumption for one time temperature measurement and telecommunication measured 10∼30 pJ. These results proved the feasibility of the ingestible thermometer system.

本文言語English
ホスト出版物のタイトルIEEE SENSORS 2017 - Conference Proceedings
出版社Institute of Electrical and Electronics Engineers Inc.
ページ1-3
ページ数3
ISBN(電子版)9781509010127
DOI
出版ステータスPublished - 2017 12 21
イベント16th IEEE SENSORS Conference, ICSENS 2017 - Glasgow, United Kingdom
継続期間: 2017 10 302017 11 1

出版物シリーズ

名前Proceedings of IEEE Sensors
2017-December
ISSN(印刷版)1930-0395
ISSN(電子版)2168-9229

Other

Other16th IEEE SENSORS Conference, ICSENS 2017
国/地域United Kingdom
CityGlasgow
Period17/10/3017/11/1

ASJC Scopus subject areas

  • 電子工学および電気工学

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