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    • 3. 发明申请
    • Emissivity distribution measuring method and apparatus
    • 发射率分布测量方法和装置
    • US20040008753A1
    • 2004-01-15
    • US10613072
    • 2003-07-07
    • NORITAKE CO., LIMITEDKuniyuki Kitagawa
    • Miyuki HashimotoKenji YanoMisao IwataKuniyuki Kitagawa
    • G01K003/00
    • G01J5/602G01J5/0003G01J2005/0074
    • Method and apparatus for measuring a distribution of emissivity on a surface of an object body, on the basis of a light emitted from the surface of the object body, wherein a temperature of the object body at each picture element of its image is calculated on the basis of a radiant intensity ratio at each pair of corresponding picture elements of a first image and a second image which are obtained with respective two radiations of respective first and second wavelengths selected from the light emitted from the surface of the object body, to measure a distribution of the temperature on the surface of the object body, and an emissivity value at each picture element of the image of the object body is calculated on the basis of the measured distribution of the temperature, and according to a predetermined relationship between the temperature and the emissivity value.
    • 基于从物体的表面发射的光来测量物体表面上的发射率分布的方法和装置,其中在其物体的每个像素处的物体的温度在 在从对象体的表面发射的光中选出的各自的第一和第二波长的相应的两个辐射获得的第一图像和第二图像的每对相应图像元素的辐射强度比的基础,以测量 基于测量的温度分布来计算物体表面上的温度分布和物体的图像的每个像素的发射率值,并且根据温度和 发射率值。
    • 5. 发明授权
    • Reflectance probe
    • 反射探头
    • US5282017A
    • 1994-01-25
    • US461285
    • 1990-01-05
    • Ira KasindorfAlexander Stein
    • Ira KasindorfAlexander Stein
    • G01J5/00G01K11/12G01N21/47
    • G01J5/08G01J5/0815G01J5/0821G01J5/0878G01K11/12G01N21/474G01J2005/0051G01J2005/0074
    • Apparatus for measuring the value of the directional spectral hemispherical reflectance of the surface of a target when not engaging but being spaced from the target employs a hollow elongated member having a longitudinal axis and first and second opposite ends. The area of the first end is relatively large relative to that of the second end. The first end is open. The member has an inner chamber extending between the ends and has an inner surface adapted to reflect light falling within a specified wave band. The member when the apparatus is in use is positioned with the first end adjacent but spaced from a selected portion of the surface of the target. The longitudinal axis is oriented essentially normal to a region on the selected surface which would be engaged by a line coincident with the axis and sufficiently extended outwardly from the first end. A beam of light falling within said band is directed within at least a portion of the chamber along the axis and outward through the first end to impinge upon the selected surface portion. A portion of the beam is reflected after said impingement backward through the first end into the chamber. The reflected light which strikes the inner surface of the chamber is directed backwardly within the chamber toward the second end. An electrical signal derived from at least a portion of the backwardly directed light provides a measurement of said reflectance value.
    • 用于测量目标表面的方向光谱半球反射值在不接合但与目标间隔时的值的装置采用具有纵向轴线的中空细长构件以及第一和第二相对端。 第一端的面积相对于第二端的面积相对较大。 第一端是开放的 该构件具有在端部之间延伸的内室,并且具有适于反射落入指定波段内的光的内表面。 当设备使用时的构件定位成第一端与目标的表面的选定部分相邻但间隔开。 纵向轴线基本上垂直于所选择的表面上的区域,该区域将被与轴线重合并且从第一端向外充分延伸的线路接合。 落在所述带内的光束沿着轴线被引导到腔室的至少一部分内并且穿过第一端向外引导到所选择的表面部分上。 所述梁的一部分在所述冲击之后通过所述第一端向后反射进入所述室。 撞击室的内表面的反射光在腔室内向后指向第二端。 从后向光的至少一部分导出的电信号提供所述反射率值的测量值。
    • 10. 发明授权
    • Pyrometer
    • 高温计
    • US5231595A
    • 1993-07-27
    • US782750
    • 1991-10-18
    • Toshiro MakinoHiroji TsujimuraJiro Arima
    • Toshiro MakinoHiroji TsujimuraJiro Arima
    • G01J5/00G01J5/60
    • G01J5/60G01J2005/0074
    • A pyrometer includes a light source capable of emitting light to at least two wavelengths to a target to be measured. A light measuring member measures the light source and provides output signals representative of those two wavelengths. A second light measuring member measures light reflected by the target and provides second signals corresponding to the two wavelengths. A third light measuring member measures the intensity of the light radiated by the target with respect to those two wavelengths to produce third signals. An emissivity is assumed for the target based on the predetermined wavelengths, and a temperature is calculated on the basis of the minimum value of the difference between the assumed radiation intensity calculated according to the assumed emissivity of the target and the measured radiation intensity in accordance with the third signals.
    • 高温计包括能够将光发射到至少两个波长的光源到待测量的靶。 光测量部件测量光源并提供表示这两个波长的输出信号。 第二光测量部件测量由目标反射的光,并提供对应于两个波长的第二信号。 第三光测量部件测量目标相对于这两个波长辐射的光的强度,以产生第三信号。 基于预定波长对目标进行发射率,并且基于根据目标的假设发射率计算的假定辐射强度与所测量的辐射强度之间的差的最小值来计算温度, 第三个信号。