Title:
SPECTACLE FRAME SHAPE MEASURING DEVICE AND SPECTACLE FRAME SHAPE MEASURING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2019/049716
Kind Code:
A1
Abstract:
This spectacle frame shape measuring device for measuring the shape of a spectacle frame is provided with: a light projecting optical system which includes a light source and which radiates a measuring light beam from the light source toward a groove in a rim of the spectacle frame; a light receiving optical system which includes a detector, and which, by means of the detector, receives a reflected light beam of the measuring light beam, which has been radiated toward the groove in the rim of the spectacle frame by the light projecting optical system and has been reflected by the groove in the rim of the spectacle frame; an acquiring means for acquiring the cross-sectional shape of the groove in the rim of the spectacle frame on the basis of the reflected light beam received by the detector; and an interpolating means which interpolates missing parts of the rim in the cross-sectional shape acquired by the acquiring means.
Inventors:
TAKEICHI KYOJI (JP)
TAKII MICHIHIRO (JP)
TAKII MICHIHIRO (JP)
Application Number:
PCT/JP2018/031669
Publication Date:
March 14, 2019
Filing Date:
August 28, 2018
Export Citation:
Assignee:
NIDEK KK (JP)
International Classes:
G01B11/24
Domestic Patent References:
| WO2000003839A1 | 2000-01-27 |
Foreign References:
| JP2001519025A | 2001-10-16 | |||
| JP2002181516A | 2002-06-26 | |||
| JP2000230814A | 2000-08-22 | |||
| JP2001208523A | 2001-08-03 | |||
| JP2006250774A | 2006-09-21 |
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