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1. 发明专利

JP2015036669A 分光特性取得装置、画像評価装置及び画像形成装置有权
标题翻译：光谱特征获取装置，图像评估装置和图像形成装置
公开(公告)号：JP2015036669A
公开(公告)日：2015-02-23
申请号：JP2013168981
申请日：2013-08-15
申请人：株式会社リコー , Ricoh Co Ltd
发明人： KAMIJO TADAHIRO , SHINPO KOHEI , KUBOTA YOICHI
IPC分类号： G01J3/36 , B41J29/46 , G01J3/50 , G01N21/27 , G03G15/00
CPC分类号： H04N1/00015 , H04N1/00005 , H04N1/00023 , H04N1/0005 , H04N1/00063 , H04N1/00087 , H04N1/50
摘要：【課題】複数の分光センサにおける測定ばらつきを低減し、分光特性を高精度に取得可能な分光特性取得装置とそれを用いた画像評価装置および画像形成装置を提供する。【解決手段】分光特性取得装置100は、対象物10に光を照射する光照射手段110と第2の光照射手段120、前記対象物からの光の反射光を、複数の開口部により複数領域に分割する領域分割手段と、前記反射光から前記複数の開口部に対応する複数の回折像を形成する分光手段と、前記複数の回折像をそれぞれ受光面の略同一位置で受光して電気信号に変換する複数の分光センサが配列された受光手段で構成される分光計測ユニット150と、前記電気信号に基づいて前記対象物の分光特性を演算する演算手段171とを有する。【選択図】図1
摘要翻译：要解决的问题：提供一种能够降低由多个光谱传感器测量的变化以获得高精度的光谱特性的分光特征获取装置，使用该光谱特征的图像评估装置和图像形成装置。解决方案：光谱特征获取装置100包括光照射装置110和用于用光照射物体10的第二光照射装置120，区域分割装置，用于将来自物体的光的反射光通过多个开口分成多个区域;分光装置从反射光形成对应于多个开口的多个衍射图像，立体测量单元150，其包括其上布置有多个光谱传感器的光接收装置，其在每个上基本相同的位置处接收多个衍射图像光接收面进行转换将图像转换为电信号，以及计算装置171，用于基于电信号计算对象的分光特性。

2. 发明专利

JP2014238385A 分光特性取得装置、画像評価装置、画像形成装置有权
标题翻译：光谱特征获取装置，图像评估装置和图像形成装置
公开(公告)号：JP2014238385A
公开(公告)日：2014-12-18
申请号：JP2013220109
申请日：2013-10-23
申请人：株式会社リコー , Ricoh Co Ltd
发明人： SHINPO KOHEI , KAMIJO TADAHIRO , KUBOTA YOICHI
IPC分类号： G01J3/36 , G01J3/50
CPC分类号： G01J3/2823 , G01J3/04 , G01J3/18 , G01J2003/045 , G01J2003/2826 , G03G15/55 , G03G2215/00616
摘要：【課題】より広い幅を高密度で測定することが可能な分光特性取得装置を提供する。【解決手段】対象物200の複数の位置からの光束が通過する複数の開口が所定方向に配列され、各々の前記開口が前記所定方向に対して傾斜した方向を長手方向とする開口列すなわち斜めスリットアレイ30と、前記開口を通過した光束を前記所定方向と直交する方向に分光する分光手段すなわち回折素子50と、前記所定方向と平行な方向に複数の画素を配列した1次元撮像手段すなわち受光素子60が所定の間隔で複数列設けられた複数列撮像手段が設置され、前記分光手段で分光された光束は複数の前記1次元撮像手段に跨って照射される。【選択図】図1
摘要翻译：要解决的问题：提供一种能够以高密度测量宽宽度的光谱特征获取装置。解决方案：光谱特征采集装置包括：开口阵列，即具有多个开口的倾斜狭缝阵列30，对象物200的多个位置的光束沿预定方向排列，每个具有相对于预定方向倾斜的方向的开口作为纵向方向; 分光装置，即沿着与预定方向正交的方向分散通过开口的光束的衍射元件50; 以及一维成像装置，即具有沿与预定方向平行的方向排列的多个像素的光接收元件60，并且以预定距离设置在多行中，其中由光谱装置辐射在多个一维成像装置上。

3. 发明专利

JP2014167403A Angle variation characteristic acquisition device, angle variation spectral characteristic acquisition device, and image forming apparatus 审中-公开
标题翻译：角度变化特征获取装置，角度变化光谱特征获取装置和图像形成装置
公开(公告)号：JP2014167403A
公开(公告)日：2014-09-11
申请号：JP2013038763
申请日：2013-02-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAMIJO TADAHIRO , SHINPO KOHEI , KUBOTA YOICHI
IPC分类号： G01N21/47 , G01J3/46 , G01N21/27
摘要： PROBLEM TO BE SOLVED: To provide an angle variation characteristic acquisition device capable of a reduction in size of the device and acceleration of measurement.SOLUTION: An angle variation characteristic acquisition device of the present invention includes: light irradiation means that irradiates an object with light; a light receiving element including a plurality of pixels; and a mirror group including a plurality of mirrors that are each arranged to have a reflection surface to face a direction different from each other, and each reflect, on each reflection surface, reflection light of the irradiation light reflected at different angles from a plurality of positions on the object, to a direction of the light receiving element. The light receiving element acquires the reflection light from the plurality of mirrors with different pixels.
摘要翻译：要解决的问题：提供一种能够减小装置的尺寸和加速度的角度变化特性获取装置。解决方案：本发明的角度变化特性获取装置包括：用光照射物体的光照射装置 ; 包括多个像素的光接收元件; 以及包括多个反射镜的反射镜组，每个反射镜被布置为具有面向彼此不同的方向的反射面，并且在每个反射表面上反射以与多个反射镜不同的角度反射的照射光的反射光物体上的位置朝向光接收元件的方向。光接收元件从具有不同像素的多个反射镜获取反射光。

4. 发明专利

JP2013186023A Spectrum measurement device, image evaluation device and image formation device 有权
标题翻译：光谱测量装置，图像评估装置和图像形成装置
公开(公告)号：JP2013186023A
公开(公告)日：2013-09-19
申请号：JP2012052478
申请日：2012-03-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAMIJO TADAHIRO , SHINPO KOHEI , KUBOTA YOICHI , SEO MANABU
IPC分类号： G01J3/50 , G03G15/00 , G03G15/01
CPC分类号： G01J3/42 , G01J3/0208 , G01J3/0229 , G01J3/024 , G01J3/0262 , G01J3/0297 , G01J3/18 , G01J3/24 , G01J3/2823 , G01J3/50 , G01J2003/503 , G03G15/00 , G03G15/5062
摘要： PROBLEM TO BE SOLVED: To provide a spectrum measurement device that allows a wavelength spectrum of reflection light from an object to be stably measured with high accuracy.SOLUTION: A spectrum measurement device 10 comprises: a light source unit 11 that irradiates a recording paper P with light; an aperture element 13 that is arranged on an optical path of reflection light from the recording paper P and provided with a plurality of apertures; a diffraction element 15 that is arranged on optical paths of a plurality of pieces of light which, out of the reflection light, have passed through a plurality of apertures; a mask element 17 that includes a plurality of passage parts allowing a plurality of +1-order diffraction images, out of a plurality of diffraction images of the plurality of pieces of light formed by the diffraction element 15, to individually pass through, and a light shield part shielding diffraction images in orders other than +1-order; and a linear sensor 16 that includes a plurality of spectrum sensors individually receiving the plurality of +1-order diffraction images passing through the plurality of passage parts.
摘要翻译：要解决的问题：提供一种允许以高精度稳定地测量来自物体的反射光的波长谱的光谱测量装置。解决方案：光谱测量装置10包括：光源单元11，其照射记录纸P 与光; 光圈元件13，其设置在来自记录纸P的反射光的光路上并且设置有多个孔; 配置在多个光的光路上的衍射元件15，其在反射光中已经通过多个孔; 掩模元件17，其包括多个通过衍射元件15形成的多个光的多个衍射图像中的多个+1阶衍射图像的通过部分，以分别通过，屏蔽部分屏蔽除+ 1级以外的顺序的衍射图像; 以及线性传感器16，其包括分别接收通过多个通道部分的多个+ 1级衍射图像的多个频谱传感器。

5. 发明专利

JP2013142644A Spectroscopic characteristic acquisition device and image forming apparatus 有权
标题翻译：光谱特征获取装置和图像形成装置
公开(公告)号：JP2013142644A
公开(公告)日：2013-07-22
申请号：JP2012003687
申请日：2012-01-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SHINPO KOHEI , KAMIJO TADAHIRO , SEO MANABU , KUBOTA YOICHI
IPC分类号： G01J3/36
CPC分类号： G01J3/0208 , G01J3/0205 , G01J3/0229 , G01J3/0248 , G01J3/1804 , G01J3/2803
摘要： PROBLEM TO BE SOLVED: To provide a spectroscopic characteristic acquisition device capable of acquiring spectroscopic characteristics at a high speed.SOLUTION: The spectroscopic characteristic acquisition device includes: region splitting means to split reflected light into a plurality of subregions; image formation means 14 to form an image from the plurality of reflected light beams; diffraction means 15 to diffract the plurality of reflected light beams to form a plurality of diffraction images; and light receiving means to receive the plurality of diffraction images on a plurality of pixels. The image formation means includes a plurality of first lenses 14b and second lenses 14c alternately disposed into a zigzag shape. The diffraction means includes a first diffraction region 15b and a second diffraction region 15c. The reflected light forming an image by the first lenses in the reflected light split into the plurality of subregions forms a first diffraction image on the first diffraction region via the first lenses, and the reflected light forming an image by the second lenses forms a second diffraction image on the second diffraction region via the second lenses. The first diffraction image and the second diffraction image formed by the diffraction means are alternately received in the direction where the plurality of pixels are aligned.
摘要翻译：要解决的问题：提供能够高速获取光谱特性的光谱特征获取装置。解决方案：光谱特征获取装置包括：区域分离装置，用于将反射光分解成多个子区域; 图像形成装置14，用于从多个反射光束形成图像; 衍射装置15，用于衍射多个反射光束以形成多个衍射图像; 以及光接收装置，用于在多个像素上接收多个衍射图像。图像形成装置包括交替地设置成Z字形的多个第一透镜14b和第二透镜14c。衍射装置包括第一衍射区域15b和第二衍射区域15c。在被分割成多个子区域的反射光中由第一透镜形成图像的反射光通过第一透镜在第一衍射区域上形成第一衍射图像，并且由第二透镜形成图像的反射光形成第二衍射通过第二透镜在第二衍射区域上形成图像。由衍射装置形成的第一衍射图像和第二衍射图像在多个像素对齐的方向上交替地接收。

6. 发明专利

JP2013137208A Spectral characteristic acquisition device, image evaluation device, and image forming apparatus 有权
标题翻译：光谱特征获取装置，图像评估装置和图像形成装置
公开(公告)号：JP2013137208A
公开(公告)日：2013-07-11
申请号：JP2011287560
申请日：2011-12-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAMIJO TADAHIRO , SHINPO KOHEI , SEO MANABU , KUBOTA YOICHI
IPC分类号： G01J3/50 , G01J3/36 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide a spectral characteristic acquisition device and an image evaluation device that accurately evaluate colors possessed by an object such as a coloring material, and an image forming apparatus.SOLUTION: A spectral characteristic acquisition device includes light irradiation means 101 for irradiating a medium 10 with light, area dividing means 102 for dividing the light radiated from the light irradiation means and transmitted the medium into areas, light guide means 103 for guiding the light divided into areas by the area dividing means; spectroscopic means 104 for dispersing the light guided by the light guide means; and light-receiving means 105 for receiving the light dispersed by the spectroscopic means. The spectral characteristic acquisition device acquires spectral characteristics from the light transmitted the medium.
摘要翻译：要解决的问题：提供一种能够精确地评价诸如着色材料的物体和成像装置所具有的颜色的光谱特征获取装置和图像评估装置。解决方案：光谱特征获取装置包括：光照射装置101，用于用光照射介质10;区域划分装置102，用于分割从光照射装置辐射的光，并将介质传输到区域;导光装置103，用于引导区域划分装置分成区域的光; 分光装置104，用于分散由导光装置引导的光; 以及用于接收由分光装置分散的光的光接收装置105。光谱特征采集装置从传输介质的光线获取光谱特性。

7. 发明专利

JP2012013437A Method for measuring spectroscopic characteristics, apparatus for measuring spectroscopic characteristics, and image forming apparatus having the same 有权
标题翻译：用于测量光谱特性的方法，用于测量光谱特性的装置和具有该光谱特征的图像形成装置
公开(公告)号：JP2012013437A
公开(公告)日：2012-01-19
申请号：JP2010147647
申请日：2010-06-29
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SHINPO KOHEI , KAMIJO TADAHIRO , SEO MANABU , KUBOTA YOICHI
IPC分类号： G01J3/36 , G03G15/00 , G03G15/01
CPC分类号： H04N1/6027 , G01J3/462 , G01J3/501 , G01J3/502 , G01J3/51
摘要： PROBLEM TO BE SOLVED: To provide a method capable of reducing a calculation time or enhancing measurement accuracy using an extended sensor response including at least a second-order term of sensor response.SOLUTION: Light intensity signals s-sof respective wavelength bands are detected with a spectroscope 101, such that at least two light intensity signals of partially overlapping wavelength bands to each other are detected with an array light-receiving element. Products of two light intensity signals of the partially overlapping wavelength bands to each other (s×s, s×s,..., s×s) are calculated from the detected light intensity signals. The calculated results are combined with the light intensity signals s-sto generate an extended sensor response vector v'' including no product of two light intensity signals of non-overlapping wavelength bands at an extended part 102 of a sensor response. A spectroscopic reflectance vector r of an measurement object is derived from the extended sensor response vector with a spectroscopic reflectance estimation part 103.
摘要翻译：要解决的问题：提供一种能够使用包括传感器响应的至少二阶项的扩展传感器响应来减少计算时间或提高测量精度的方法。解决方案：使用分光镜101检测各波长带的光强度信号s 1 -s m ，使得使用阵列光接收元件检测彼此部分重叠的波长带的至少两个光强度信号。部分重叠的波长带彼此的两个光强度信号的产物（s 1 ×s 2 s 2 ×s 3 ，...，s m-1 ×s m ）。将计算结果与光强度信号s 1 -s m 组合以产生扩展传感器响应矢量v“ 在传感器响应的扩展部分102处没有不重叠波长带的两个光强度信号的乘积。测量对象的光谱反射矢量r由具有光谱反射率估计部分103的扩展传感器响应矢量导出。（C）2012，JPO＆INPIT

8. 发明专利

JP2011191158A Spectral characteristic acquiring device, image estimating device, and image forming apparatus 有权
标题翻译：光谱特征获取装置，图像估计装置和图像形成装置
公开(公告)号：JP2011191158A
公开(公告)日：2011-09-29
申请号：JP2010056993
申请日：2010-03-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SHINPO KOHEI , KAMIJO TADAHIRO , SEO MANABU , KUBOTA YOICHI
IPC分类号： G01J3/50 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide a spectral characteristic acquiring device capable of stably and accurately acquiring the spectral characteristics.
SOLUTION: The spectral characteristic acquiring device includes a line light projecting device 3 for projecting light on a surface of an object 2 to be measured; a pin-hole array 5, having a plurality of opening holes 5a which are arranged in a line and allow light fluxes at different regions in diffused reflection light from the object to allow it to pass therethrough; a second imaging optical system 6 for imaging light fluxes passing through the opening holes 5a of the pin-hole array 5 on an image face; a diffraction element 7; which is disposed at an image face side of the second imaging optical system 6 and diffracts the light fluxes passing through the opening holes 5a of the pin hole array 5, un-parallel with the arranging direction of images of the opening holes 5a; and a light-receiving sensor 8, disposed on the imaging face of the second imaging optical system 6 and has a plurality of pixels 9 which are arranged in a line and receive a part of a diffraction image of the opening holes 5a diffracted by the diffraction element 7 so as to convert it into an electric signal. The second imaging optical system 6 is constituted of an array of an erect magnification imaging optical system.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够稳定且准确地获取光谱特性的光谱特征获取装置。解决方案：光谱特征获取装置包括用于将光投射在被测量物体2的表面上的线光投射装置3; 一个针孔阵列5，具有多个开口孔5a，它们排列成一条直线，允许在不同区域的光线通过来自物体的扩散反射光，使其通过; 第二成像光学系统6，用于对穿过孔眼阵列5的开孔5a的光束成像在图像面上; 衍射元件7; 其设置在第二成像光学系统6的图像面侧，并且衍射通过针孔阵列5的开孔5a的光束与开孔5a的图像的排列方向不平行; 以及光接收传感器8，其设置在第二成像光学系统6的成像面上，并且具有多个像素9，这些像素9排列成一行并且接收由衍射衍射的开孔5a的衍射图像的一部分元件7，以便将其转换成电信号。第二成像光学系统6由直立放大成像光学系统的阵列构成。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010210456A Optical characteristics measuring apparatus, spectrophotometric colorimetry apparatus, and image forming apparatus 审中-公开
标题翻译：光学特性测量装置，分光光度计装置和图像形成装置
公开(公告)号：JP2010210456A
公开(公告)日：2010-09-24
申请号：JP2009057411
申请日：2009-03-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SHINPO KOHEI , KAMIJO TADAHIRO , SEO MANABU
IPC分类号： G01J3/46
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for measuring optical characteristics hard to be influenced by a variation in distance from an object to be measured. SOLUTION: The apparatus for measuring optical characteristics includes a measurement optical system for irradiating the object 1 to be measured with a light flux emitted from a light source 11 and receiving diffraction reflected light from the surface of the object via an imaging optical system 21 by a light receiving means 22, and converts amount-of-light information into an electric signal by the light receiving means. The light flux with which the object 1 to be measured is irradiated from the light source 11 includes a hill-shaped amount-of-light distribution wherein the amount of light is large in the vicinity of a measurement point of the object and gets smaller toward its peripheries. The light receiving means 22 serves as divided light receiving means including a plurality of light receiving regions 22a and 22b divided in moving directions of the light flux incident to the light receiving means as the distance from the object varies for photoelectrically converting in respective light reception regions and outputting a plurality of signals. It includes, at least, a calculating means having a distance signal calculating means for outputting a distance signal correlating with the distance from the object. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于测量光学特性的装置，其难以受到待测物体的距离变化的影响。解决方案：用于测量光学特性的装置包括测量光学系统，用于通过从光源11发射的光束照射待测物体1，并经由成像光学系统从物体的表面接收衍射反射光 21由光接收装置22，并且通过光接收装置将光量信息转换为电信号。从光源11照射待测对象物1的光通量包括山体光量分布，其中物体的测量点附近的光量大，朝向它的周边。光接收装置22用作分开的光接收装置，其包括在入射到光接收装置的光束的移动方向上划分的多个光接收区域22a和22b，因为在各个光接收区域中随着物体的距离变化而进行光电转换并输出多个信号。它至少包括具有距离信号计算装置的计算装置，用于输出与距物体的距离相关的距离信号。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2005165142A Light reflection apparatus, light reflection apparatus unit, light reflection apparatus array, light source apparatus and image forming apparatus 有权
标题翻译：光反射装置，光反射装置单元，光反射装置阵列，光源装置和图像形成装置
公开(公告)号：JP2005165142A
公开(公告)日：2005-06-23
申请号：JP2003406409
申请日：2003-12-04
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAMIJO TADAHIRO
IPC分类号： G02B26/08 , B81B3/00 , G02B3/06
摘要： PROBLEM TO BE SOLVED: To provide a light reflection apparatus in which the ON/OFF of a reflection and the adjustment of the reflection angle can be performed with a simple structure and the leakage of stray light at the time of OFF of a reflection is prevented. SOLUTION: The light reflection apparatus has: a light reflection means which is chargeable; a holding means which holds a predetermined first portion of the light reflection means; a fixing means which fixes the holding means; an electrostatic attraction force application means which applies electrostatic attraction force upon a second portion different from the first portion; and an insulation layer formed on the fixing means or the light reflection means. The other end part of the second portion comes into contact with the insulation layer of the fixing means by the electrostatic attraction force, or the insulation layer of the other end part comes into contact with the fixing means, and the light reflection means is bent, thus an imaging switching of a beam luminous flux which switches the existence/nonexistence of the form variation of the light reflection means and a reflection switching which switches the existence/nonexistence of the tilt of the light reflection means are made possible. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种光反射装置，其中可以以简单的结构进行反射的ON / OFF和反射角的调节，并且在OFF时的杂散光的泄漏防止反射。解决方案：光反射装置具有：可充电的光反射装置; 保持装置，其保持光反射装置的预定的第一部分; 固定装置，固定保持装置; 静电吸引力施加装置，其对与第一部分不同的第二部分施加静电吸引力; 以及形成在固定装置或光反射装置上的绝缘层。第二部分的另一端部通过静电吸引力与固定装置的绝缘层接触，或者另一端部的绝缘层与固定装置接触，并且光反射装置弯曲，因此能够切换光反射装置的形状变化的存在/不存在的光束光束的成像切换以及切换光反射装置的倾斜的存在/不存在的反射切换。版权所有（C）2005，JPO＆NCIPI

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