公开(公告)号：US5963334A

公开(公告)日：1999-10-05

申请号：US34393

申请日：1998-03-04

申请人： Wataru Yamaguchi ,  Mitsunobu Ota

发明人： Wataru Yamaguchi ,  Mitsunobu Ota

IPC分类号： G01J3/50 ,  G01N21/25 ,  G01Q90/00

CPC分类号： G01N21/255

摘要： A color measuring apparatus is provided with a radial illumination unit for projecting illumination light to a measurement object at a first illumination angle in a plurality of directions, a unidirectional illumination unit for projecting illumination light to the measurement object at a second illumination angle in a single direction, a unidirectional light receiving unit for receiving a light ray reflected at a first angle .theta.1 from the direction of regular reflection out of illumination light projected from the radial illumination unit and reflected by the measurement object, and a light ray reflected at a second angle .theta.2 from the direction of regular reflection out of illumination light projected from the unidirectional illumination unit and reflected by the measurement object, the second angle .theta.2 being larger than the first angle .theta.1, and a processing unit for calculating a color value at the first angle .theta.1 and a color value at the second angle .theta.2 based on an output of the unidirectional light receiving unit.

摘要翻译： 一种颜色测量装置，具有径向照明单元，用于以多个方向以第一照明角将照明光投射到测量对象;单向照明单元，用于以单一的第二照明角将照明光投射到测量对象 方向，单向光接收单元，用于接收从径向照明单元投射并被测量对象反射的照明光从正常反射方向以第一角度θ1反射的光线，以及在第二角度反射的光线 从单向照明单元投影并被测量对象反射的照明光的正常反射方向的角度θ2，第二角度θ2大于第一角度θ1，以及处理单元，用于计算 第一角度θ1和第二角度θ2处的颜色值 在单向光接收单元的输出上。

公开(公告)号：US5592294A

公开(公告)日：1997-01-07

申请号：US410081

申请日：1995-03-24

申请人： Mitsunobu Ota ,  Wataru Yamaguchi ,  Isamu Nakajima

发明人： Mitsunobu Ota ,  Wataru Yamaguchi ,  Isamu Nakajima

IPC分类号： G01J3/46 ,  G01J3/50 ,  G01N21/47

CPC分类号： G01J3/50 ,  G01J3/504 ,  G01N21/474

摘要： An apparatus for measuring a characteristic of an object, the apparatus includes: a light projector which projects light to an object; a photosensor which senses light which has been projected by the light projector and reflected from the object; a calculator which calculates a characteristic of the object based on an output of the photosensor; an angle detector which detects respective angles of the light projector and the photosensor with respect to the object; an adjustment mechanism which adjusts the respective angles of the light projector and the photosensor; and a controller which controls the adjustment mechanism based on a detection result of the angle detector so that the light projector and the photosensor come into their respective desired angles.

摘要翻译： 一种用于测量物体特性的装置，该装置包括：将光投射到物体上的投影仪; 光传感器，其感测由投影仪投射并从物体反射的光; 计算器，其基于所述光传感器的输出来计算所述对象的特性; 角度检测器，其检测所述光投射器和所述光传感器相对于所述物体的角度; 调节机构，其调节投影仪和光电传感器的各个角度; 以及控制器，其基于所述角度检测器的检测结果来控制所述调整机构，使得所述光投射器和所述光传感器进入其各自期望的角度。

公开(公告)号：US4986665A

公开(公告)日：1991-01-22

申请号：US227999

申请日：1988-08-03

申请人： Akio Yamanishi ,  Hitoshi Kamezawa ,  Takao Sakai ,  Sadafusa Tsuji ,  Mitsunobu Ota

发明人： Akio Yamanishi ,  Hitoshi Kamezawa ,  Takao Sakai ,  Sadafusa Tsuji ,  Mitsunobu Ota

IPC分类号： G01N21/31 ,  G01N21/63 ,  G01N21/84

CPC分类号： G01N21/3151 ,  G01N2021/3181 ,  G01N2021/635 ,  G01N2021/8466 ,  G01N2201/0621

摘要： An optical density detector which comprises a first light source for emitting a first light which belongs to a wavelength region in which the first light is hardly absorbed by a specific material contained in a sample, a second light source for emitting a second light which belongs to a wavelength region in which the second light is absorbed, substantially as compared with the first light, by the specific material, wherein a peak-wavelength of the second light is shifted by change of a temperature and change of an absorption of the specific material caused by the peak-wavelength shift is characteristic of a linear equation with a gentle grade, light receiving device for measuring a quantity of the first and the second lights which are transmitted through the sample, an arithmetic unit for calculating difference of absorbance between the first light and the second light of which both change depending on the density of the specific material, a temperature measuring device for measuring the temperature of the first and the second light sources and the light receiving device, or measuring the ambient temperature around the first and the second light sources and the light receiving device and compensation unit for compensating the difference of absorbance which is calculated by the arithmetic unit, with the absorption coefficient of the specific material at a shifted peak-wavelength of the second light, wherein the shifted peak-wavelength is calculated on the basis of a measured value measured by said temperature measuring device.

摘要翻译： 一种光密度检测器，包括：第一光源，用于发射属于其中第一光几乎不被包含在样品中的特定材料吸收的波长区域的第一光;第二光源，用于发射属于 基本上与第一光相比，第二光被特定材料吸收的波长区域，其中第二光的峰值波长通过温度的变化和特定材料的吸收变化而偏移 通过峰值波长偏移是具有平缓等级的线性方程的特征，用于测量透射通过样本的第一和第二光的量的光接收装置，用于计算第一光和第二光之间的吸光度差的运算单元 并且其中的第二光二者根据特定材料的密度而变化，用于测量t的温度测量装置 第一和第二光源和光接收装置的温度，或测量第一和第二光源周围的环境温度，以及用于补偿由运算单元计算的吸光度差的光接收装置和补偿单元 ，其中特定材料在第二光的偏移峰值波长处的吸收系数，其中基于由所述温度测量装置测量的测量值计算偏移的峰值波长。