Title:
MEASUREMENT DEVICE, MEASUREMENT METHOD, AND RADIATION PROJECTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/218496
Kind Code:
A1
Abstract:
A measurement device (1) achieves the feature of detecting movement of the head of a human subject who is exposed to electromagnetic waves for therapy. The measurement device is provided with: a laser (10); a measurement unit (11) that measures the distance to an irradiation subject on the basis of a laser beam; and a detection unit (12) that detects displacement of the head of the human subject on the basis of a change in the measured distance. The detection unit (12) obtains a change in the distance from a reference distance which is a distance found by measuring, as the irradiation subject, a characteristic point which is an area protruding further than other areas.
Inventors:
FUJI HIROSHI (JP)
Application Number:
PCT/JP2020/017668
Publication Date:
October 29, 2020
Filing Date:
April 24, 2020
Export Citation:
Assignee:
NAT CT CHILD HEALTH & DEV (JP)
International Classes:
A61N5/10
Domestic Patent References:
| WO2005099820A1 | 2005-10-27 |
Foreign References:
| JP2017035348A | 2017-02-16 | |||
| JPH08745A | 1996-01-09 | |||
| JP2004057559A | 2004-02-26 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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