Remote temperature sensing system using reverberated magnetic flux

Y. H. Kim, S. Hashi, K. Ishiyama, K. I. Arai, M. Inoue

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


A remote temperature sensing system was investigated. The system can measure the temperature by applying an external magnetic flux to the sensor and by receiving a flux at the resonant frequency corresponding to the temperature at the sensor. The sensor does not need a power supply within it and is only composed of a temperature sensitive ferrite core and a wound coil. The inductance of the core varied from about 8-18 mH in the temperature region of 35-55°C. The induced voltage, ΔV by the sensor was about 10 mV for a 260 mm length between the transmitter and receiver. The system was successfully operated in our investigation.

Original languageEnglish
Pages (from-to)3643-3645
Number of pages3
JournalIEEE Transactions on Magnetics
Issue number5
Publication statusPublished - 2000 Sep


  • Curie temperature
  • Magnetic flux
  • Remote sensing
  • Temperature sensing system
  • Temperature sensitive ferrite

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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