JP2011191158A5 - - Google Patents

Description

The spectroscopic characteristics acquisition unit of claim 1 in order to achieve the object, a pinhole array comprising multiple openings by the light irradiating means Ru passes the reflected light of the irradiated light to the measurement object, wherein an imaging means for the light passing through the plurality of openings of the pinhole array each Ru is focused, and the diffraction means for diffracting each were imaged light by the imaging means, the light is diffracted in the previous SL diffraction means the has a light receiving means for receiving, respectively, a, is characterized in that before Kiyuizo means is an array of erecting equal-magnification optical system.

Spectroscopic characteristics acquisition unit of claim 2 has a reduced focusing means for focusing said by reducing the reflected light of the object to be measured or these light to the plurality of openings of the pinhole array, the fused small The light condensing means has at least image side telecentric characteristics.

Magnification is spectroscopic characteristics acquisition unit of claim 3, comprising a plurality of focusing means for respectively condensing the light of reflected light from a plurality of locations of the object to be measured in the plurality of openings of the pinhole array It has a condensing means.

The spectroscopic characteristics acquisition unit of claim 4, said equal-magnification focusing means, wherein a plurality of openings of the pinhole array, but that it is arranged on the incident surface and an exit surface of the same optical element It is a feature.

The spectral characteristic acquisition apparatus according to claim 5, wherein an image-side numerical aperture of the plurality of condensing units of the equal magnification condensing unit is a single unit of the erecting equal magnification imaging optical system constituting the imaging unit. It is characterized by being at least twice the object-side numerical aperture.

An image evaluation apparatus according to a seventh aspect includes a spectral characteristic acquisition apparatus according to any one of the first to sixth aspects, and a moving unit that changes a relative position between the spectral characteristic acquisition apparatus and the object to be measured. and output information from the spectroscopic characteristics acquisition unit, based on, is characterized by having a calculating means for calculating a spectral distribution or colorimetry results at a plurality of positions of the object to be measured.

Claims (8)

A pinhole array comprising multiple openings Ru passes the reflected light of light emitted to the object to be measured by the light irradiation means,
An imaging unit that Ru is respectively image light that has passed through the plurality of openings of the pinhole array,
Diffraction means for diffracting the light imaged by the imaging means ;
Anda receiving means for receiving the light is diffracted respectively in the previous SL diffraction means,
Spectroscopic characteristics acquisition unit, characterized in that before Kiyuizo means is an array of erecting equal-magnification optical system. Have reduced condensing means for focusing said by reducing the reflected light of the object to be measured or these light to the plurality of openings of the pinhole array, the fused small condensing means to at least the image-side telecentricity The spectral characteristic acquisition apparatus according to claim 1. Claims, characterized in that it has a magnification focusing means consisting of a plurality of focusing means for respectively condensing the light of reflected light from a plurality of locations of the object to be measured in the plurality of openings of the pinhole array 1. The spectral characteristic acquisition device according to 1. Said magnification focusing means, wherein a plurality of openings of the pinhole array, but spectroscopic characteristics acquisition unit according to claim 3, characterized in that it is arranged on the incident surface and an exit surface of the same optical element . The image side numerical aperture of the plurality of condensing means of the equal magnification condensing means is at least twice the object side numerical aperture of the erecting equal magnification imaging optical system alone constituting the image forming means. The spectral characteristic acquisition apparatus according to claim 3 or 4,   4. The spectral characteristic acquisition apparatus according to claim 3, wherein the equal magnification condensing means is an array of erecting equal magnification imaging optical systems. The spectral characteristic acquisition device according to any one of claims 1 to 6, a moving unit that changes a relative position between the spectral characteristic acquisition device and the object to be measured, output information from the spectral characteristic acquisition device , And an arithmetic means for calculating a spectral distribution or a colorimetric result at a plurality of positions of the object to be measured. In an image forming apparatus that forms and outputs an image on a recording medium,
An image forming apparatus comprising the image evaluation apparatus according to claim 7, wherein an image on a recording medium output from the image forming apparatus is evaluated by the image evaluation apparatus.