BODY MOVEMENT DETECTION SENSOR

BODY MOVEMENT DETECTION SENSOR

Problem: To provide a body movement detection sensor using a piezoelectric film which improves detection accuracy and has a structure to allow for size reduction. Solution: A body movement detection sensor includes a sensor section having a piezoelectric film, a right belt member extending from a ri...

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1. Verfasser: MISAKI, Yukinori
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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creator MISAKI, Yukinori
description Problem: To provide a body movement detection sensor using a piezoelectric film which improves detection accuracy and has a structure to allow for size reduction. Solution: A body movement detection sensor includes a sensor section having a piezoelectric film, a right belt member extending from a right side of the sensor section, a left belt member extending from a left side of the sensor section, and an engagement member configured to engage an end portion of the right belt member and an open-end portion of the left belt member with each other. In the body movement detection sensor, the piezoelectric film exhibits piezoelectric effect in a length direction, the right belt member and the left belt member have substantially no elasticity, the body movement detection sensor further includes an elastic sheet directly or indirectly connected to the right belt member and the left belt member, the piezoelectric film and the elastic sheet are arranged substantially without irregularities when viewed from a side, and the elastic sheet has a maximum amount of expansion larger than an amount of change of a thorax during breathing and has a length equal to or smaller than one-sixth of a total length of the right belt member and the left belt member.
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subjects DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
title BODY MOVEMENT DETECTION SENSOR
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