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

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

Research output: Contribution to journalArticle

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 languageEnglish
Pages (from-to)6-10
Number of pages5
JournalIEEJ Transactions on Sensors and Micromachines
Volume130
Issue number1
DOIs
Publication statusPublished - 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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  • Cite this

    Ishikawa, T., Kunimasa, T., Sasaki, N., Murakami, Y., Yoshida, T., & Tsuga, K. (2010). A simple wireless intra-oral thermometry -A denture with a CMOS Chip-. IEEJ Transactions on Sensors and Micromachines, 130(1), 6-10. https://doi.org/10.1541/ieejsmas.130.6