Title:
LIVING-BODY VIBRATION SENSOR, LIVING-BODY VIBRATION DETECTION SYSTEM, LIVING-BODY VIBRATION DETECTION METHOD, AND VIBRATION DETECTION ELEMENT
Document Type and Number:
WIPO Patent Application WO/2018/168143
Kind Code:
A1
Abstract:
The present invention provides a living-body vibration sensor having a large S/N ratio. This living-body vibration sensor is provided with: a first vibration detection element disposed on a surface of a vibration-generating portion of a living body, the first vibration detection element having a sheet-shaped piezoelectric body and a pair of electrodes layered on the front and back of the piezoelectric body; and a second vibration detection element disposed in a position different from the position where the first vibration detection element is disposed, the second vibration detection element having a sheet-shaped piezoelectric body and a pair of electrodes layered on the front and back of the piezoelectric body.
Inventors:
FUTOHASHI ICHIRO (JP)
MIYATA TOMOYA (JP)
MIYATA TOMOYA (JP)
Application Number:
PCT/JP2017/045837
Publication Date:
September 20, 2018
Filing Date:
December 20, 2017
Export Citation:
Assignee:
YAMAHA CORP (JP)
International Classes:
A61B5/00; A61B5/026
Domestic Patent References:
| WO2015064217A1 | 2015-05-07 |
Foreign References:
| JP2007139566A | 2007-06-07 | |||
| JP2004101283A | 2004-04-02 |
Attorney, Agent or Firm:
AMANO Kazunori (JP)
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