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Title:
MEASURING DEVICE AND MEASURING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/083524
Kind Code:
A1
Abstract:
A tablet terminal (1A) which is a measuring device which measures a subject's eyelid locations, said table terminal (1A) comprising: a display unit (3) which generates a vertical light-emitting region which forms a reflected image upon the surfaces of the corneas of the subject's eyeballs; a camera (5) which captures the reflected image which is formed by the display unit (3); and a computation circuit (7) which, on the basis of the image data of the reflected image which is acquired by the camera (5), derives reflected image information relating to either the size or the location of the reflected image, and measures the eyelid locations on the basis of the reflected image information.

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Inventors:
SUZUKI KAZUTAKA (JP)
MATSUI YOSHINORI (JP)
TOYODA HARUYOSHI (JP)
TAKUMI MUNENORI (JP)
HAKAMATA NAOTOSHI (JP)
Application Number:
PCT/JP2014/080238
Publication Date:
June 11, 2015
Filing Date:
November 14, 2014
Export Citation:
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Assignee:
HAMAMATSU PHOTONICS KK (JP)
International Classes:
A61B3/113; A61B3/10; G01B11/00; G06T1/00
Foreign References:
JP2007531579A2007-11-08
JPH11225966A1999-08-24
JPS59186538A1984-10-23
JP2010273954A2010-12-09
JP2000157493A2000-06-13
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
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