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Title:
OPTICAL SYSTEM FOR MEASUREMENT, COLOR LUMINANCE METER AND COLORIMETER
Document Type and Number:
WIPO Patent Application WO/2018/230177
Kind Code:
A1
Abstract:
These optical system for measurement, color luminance meter and colorimeter are provided with: a stop; a light waveguide that guides incident light; a first optical system that is disposed on the object side of the stop, and forms a light image from an object to be measured on an aperture plane of the stop; and a second optical system that is disposed between the stop and the light waveguide, and causes respective principal rays of light fluxes emitted from the aperture plane of the stop to be incident on the light waveguide such that the principal rays become parallel to a light axis.

Inventors:
NAGASAWA, Hitoshi (Inc. 2-7-2, Marunouchi, Chiyoda-k, Tokyo 15, 〒1007015, JP)
Application Number:
JP2018/016958
Publication Date:
December 20, 2018
Filing Date:
April 26, 2018
Export Citation:
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Assignee:
KONICA MINOLTA, INC. (2-7-2, Marunouchi Chiyoda-k, Tokyo 15, 〒1007015, JP)
International Classes:
G02B13/22; G01J3/51
Domestic Patent References:
WO2011142071A12011-11-17
Foreign References:
JP2009300257A2009-12-24
JP3284997B22002-05-27
JP2002310800A2002-10-23
JP2015064578A2015-04-09
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (Osaka Nakanoshima Building 2nd Floor, 2-2 Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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