Imaging unit, color measuring device, image forming apparatus, color measuring system, and color measuring method

摘要

PROBLEM TO BE SOLVED: To photograph a subject and the like without being affected by irregular reflection around the subject.SOLUTION: An imaging unit 30 includes a reference chart plate 38 having a reference chart KC formed thereon, on a bottom face part 32a side of a housing 32 on which openings 32b and 32c are formed, and the reference chart plate 38 has a slit 38a formed at a position facing the opening 32c. The reference chart plate 38 has a reflection suppression part 40 formed in black on the periphery of the slit 38a. The imaging unit 30 causes an illumination light source to irradiate the reference chart KC and the slit 38a with illumination light, receives, with an image sensor part, reflection light from a subject and the reference chart KC located below the slit 38a, and photographs the subject together with the reference chart KC.