Development of a wrist-worn calorie monitoring system using bluetooth

Chika Sugimoto*, Hartaman Ariesanto, Hiroshi Hosaka, Ken Sasaki, Noriyoshi Yamauchi, Kiyoshi Itao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Methods and tools for monitoring real-time human body information in daily life are required for advanced healthcare. In this study, a method for estimating energy expenditure during health exercises was evaluated and a wrist-worn sensing system based on the method was developed. Pulse monitoring was used to calculate energy expenditure by estimating oxygen uptake from a correlation between heart rate and oxygen uptake. Bluetooth technology was utilized for sending data by wireless communication. By the newly developed system, energy expenditure during exercise can be estimated considering individual difference and distinguishing changes in grade or load. Our goal is to construct a miniaturized wearable system that monitors vital signs and has many applications for healthcare. The study suggests that a wearable pulse sensing system proposed could provide useful information for healthcare.

Original languageEnglish
Pages (from-to)1028-1033
Number of pages6
JournalMicrosystem Technologies
Issue number8-10
Publication statusPublished - 2005 Aug 1
Externally publishedYes


  • Bluetooth
  • Energy expenditure
  • Healthcare
  • Oxygen uptake
  • Pulse
  • Wearable

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Hardware and Architecture
  • Electrical and Electronic Engineering


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