Multifunctional optical sensor module integrated optical micro displacement sensor and its application to a photoplethysmographic sensor with measuring contact force

Hirofumi Nogami, Ryo Inoue, Yuma Hayashida, Hideyuki Ando, Takahiro Ueno, Renshi Sawada

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Photoplethysmography (PPG) is widely and commonly used, as it produces a wide range of information, such as stress level, heart rate interval, respiration rate, blood vessel hardness, etc. It is necessary to control the contact force between a PPG sensor and the measurement location (the skin surface), in order to obtain an accurate PPG signal. We propose new multifunctional sensor modules that can measure both pulse waves and contact force. The sensor module has a micro integrated displacement sensor chip with an optical source, photo diodes, and op-amp circuits, and a gum frame with a mirror. Some incident light penetrates into a finger, and the scattered light, which contains a biological signal (a pulse wave), is detected by one photodiode. The photodiode can also detect reflected light from a mirror, which is displaced by a contact force. In this paper, we fabricate a multifunctional sensor module and attempt to simultaneously measure the pulse wave and contact force.

Original languageEnglish
Title of host publicationBIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018
EditorsSergi Bermudez i Badia, Alberto Cliquet, Alberto Cliquet, Hugo Gamboa, Ana Fred
PublisherSciTePress
Pages71-76
Number of pages6
ISBN (Electronic)9789897582776
Publication statusPublished - Jan 1 2018
Event11th International Conference on Biomedical Electronics and Devices, BIODEVICES 2018 - Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018 - Funchal, Madeira, Portugal
Duration: Jan 19 2018Jan 21 2018

Publication series

NameBIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018
Volume1

Other

Other11th International Conference on Biomedical Electronics and Devices, BIODEVICES 2018 - Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018
CountryPortugal
CityFunchal, Madeira
Period1/19/181/21/18

Fingerprint

Optical sensors
Photoplethysmography
Sensors
Photodiodes
Mirrors
Operational amplifiers
Blood vessels
Light sources
Skin
Diodes
Hardness
Networks (circuits)

All Science Journal Classification (ASJC) codes

  • Biomedical Engineering
  • Electrical and Electronic Engineering

Cite this

Nogami, H., Inoue, R., Hayashida, Y., Ando, H., Ueno, T., & Sawada, R. (2018). Multifunctional optical sensor module integrated optical micro displacement sensor and its application to a photoplethysmographic sensor with measuring contact force. In S. Bermudez i Badia, A. Cliquet, A. Cliquet, H. Gamboa, & A. Fred (Eds.), BIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018 (pp. 71-76). (BIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018; Vol. 1). SciTePress.

Multifunctional optical sensor module integrated optical micro displacement sensor and its application to a photoplethysmographic sensor with measuring contact force. / Nogami, Hirofumi; Inoue, Ryo; Hayashida, Yuma; Ando, Hideyuki; Ueno, Takahiro; Sawada, Renshi.

BIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018. ed. / Sergi Bermudez i Badia; Alberto Cliquet; Alberto Cliquet; Hugo Gamboa; Ana Fred. SciTePress, 2018. p. 71-76 (BIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018; Vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nogami, H, Inoue, R, Hayashida, Y, Ando, H, Ueno, T & Sawada, R 2018, Multifunctional optical sensor module integrated optical micro displacement sensor and its application to a photoplethysmographic sensor with measuring contact force. in S Bermudez i Badia, A Cliquet, A Cliquet, H Gamboa & A Fred (eds), BIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018. BIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018, vol. 1, SciTePress, pp. 71-76, 11th International Conference on Biomedical Electronics and Devices, BIODEVICES 2018 - Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018, Funchal, Madeira, Portugal, 1/19/18.
Nogami H, Inoue R, Hayashida Y, Ando H, Ueno T, Sawada R. Multifunctional optical sensor module integrated optical micro displacement sensor and its application to a photoplethysmographic sensor with measuring contact force. In Bermudez i Badia S, Cliquet A, Cliquet A, Gamboa H, Fred A, editors, BIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018. SciTePress. 2018. p. 71-76. (BIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018).
Nogami, Hirofumi ; Inoue, Ryo ; Hayashida, Yuma ; Ando, Hideyuki ; Ueno, Takahiro ; Sawada, Renshi. / Multifunctional optical sensor module integrated optical micro displacement sensor and its application to a photoplethysmographic sensor with measuring contact force. BIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018. editor / Sergi Bermudez i Badia ; Alberto Cliquet ; Alberto Cliquet ; Hugo Gamboa ; Ana Fred. SciTePress, 2018. pp. 71-76 (BIODEVICES 2018 - 11th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 11th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2018).
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