IMAGING APPARATUS AND LUMINAIRE,申请号JP20150248127-传众专利搜索

IMAGING APPARATUS AND LUMINAIRE

申请公布号：JP2016057313(A)

申请号：JP20150248127

申请日期：2015.12.21

申请公布日期：2016.04.21

申请人：

HITACHI INDUSTRY & CONTROL SOLUTIONS LTD

发明人：KOFUNE KUNITOMO;FUJITA HIDEKI

分类号：G01N21/84

主分类号：G01N21/84

摘要：PROBLEM TO BE SOLVED: To provide a luminaire that applies uniform illuminance to a subject and obtains clear video such as a character written on the subject.SOLUTION: A luminaire 2A includes: a light guide plate 54 that is disposed between an imaging unit and a subject such as a metal can shot by the imaging unit, has an annular disc unit having an opening in its center part, and has a reflection surface for reflecting the light passing through the disc unit to the subject side; a third transparent light diffusion unit 53 that is disposed between the light guide plate 54 and the subject, and has a conical part that has an opening in its center part, is projected from the periphery of the opening toward the subject side, and has an acute-angle-shaped cross section having a tip on the imaging unit side; and a light source 22 disposed outside the disc unit in the radial direction.SELECTED DRAWING: Figure 9