A simple wireless intra-oral thermometry -A denture with a CMOS Chip-

Tomohiro Ishikawa; Takunari Kunimasa; Nobuo Sasaki; Yuji Murakami; Takeshi Yoshida; Kazuhiro Tsuga

doi:10.1541/ieejsmas.130.6

A simple wireless intra-oral thermometry -A denture with a CMOS Chip-

Tomohiro Ishikawa, Takunari Kunimasa, Nobuo Sasaki, Yuji Murakami, Takeshi Yoshida, Kazuhiro Tsuga

Micro System Integration Center (μSIC)

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

A wireless intra-oral device has been fabricated to measure the temperature in a mouth. It contains a silicon CMOS chip attached printed circuit board and a button battery. A ring oscillator on the chip generates continuous wave which frequency depends on ambient temperature. The frequency shift is detected by a short wave radio wirelessly at the distance of 30 cm. The circuit draws 51 μfrom a 1.55 V silver-oxide button battery for watches and it gives more than ten days running time.

Original language	English
Pages (from-to)	6-10
Number of pages	5
Journal	IEEJ Transactions on Sensors and Micromachines
Volume	130
Issue number	1
DOIs	https://doi.org/10.1541/ieejsmas.130.6
Publication status	Published - 2010 Mar 19

Keywords

Denture
Intra-oral temperature
Non-invasive diagnosis hiroshima university
Thermometry
Wireless

ASJC Scopus subject areas

Mechanical Engineering
Electrical and Electronic Engineering

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10.1541/ieejsmas.130.6

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AU - Yoshida, Takeshi

AU - Tsuga, Kazuhiro

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