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    • 4. 发明公开
    • DETECTOR FOR AN OPTICAL DETECTION OF AT LEAST ONE OBJECT
    • 探测器用于至少一个物体的光学探测
    • EP3230688A1
    • 2017-10-18
    • EP15867830.0
    • 2015-12-07
    • BASF SE
    • SEND, RobertBRUDER, IngmarVALOUCH, SebastianIRLE, StephanTHIEL, Erwin
    • G01C3/00G01B11/00G01J3/46
    • G02B27/0916G01B11/00G01B11/002G01B11/08G01B11/22G01B11/285G01J3/0208G01J3/46G01J3/50G01J3/513G01J3/524G01S7/4816G01S17/026G01S17/48G01S17/58G01S17/66G01S17/89G02B27/0955
    • A detector (110) for an optical detection of at least one object (112) is proposed. The detector (110) comprises: —at least one transfer device (120), wherein the transfer device (120) comprises at least two different focal lengths (140) in response to at least one incident light beam (136); —at least two longitudinal optical sensors (132), wherein each longitudinal optical sensor (132) has at least one sensor region (146), wherein each longitudinal optical sensor (132) is designed to generate at least one longitudinal sensor signal in a manner dependent on an illumination of the sensor region (146) by the light beam (136), wherein the longitudinal sensor signal, given the same total power of the illumination, is dependent on a beam cross-section of the light beam (136) in the sensor region (146), wherein each longitudinal optical sensor (132) exhibits a spectral sensitivity in response to the light beam (136) in a manner that two different longitudinal optical sensors (132) differ with regard to their spectral sensitivity; wherein each optical longitudinal sensor (132) is located at a focal point (138) of the transfer device (120) related to the spectral sensitivity of the respective longitudinal optical sensor (132); and —at least one evaluation device (150), wherein the evaluation device (150) is designed to generate at least one item of information on a longitudinal position and/or at least one item of information on a color of the object (112) by evaluating the longitudinal sensor signal of each longitudinal optical sensor (132). Thereby, a simple and, still, efficient detector for an accurate determining of a position and/or a color of at least one object in space is provided.
    • 提出了用于光学检测至少一个物体(112)的检测器(110)。 所述检测器(110)包括: - 至少一个转移装置(120),其中所述转移装置(120)响应于至少一个入射光束(136)而包括至少两个不同的焦距(140); - 至少两个纵向光学传感器(132),其中每个纵向光学传感器(132)具有至少一个传感器区域(146),其中每个纵向光学传感器(132)被设计成以某种方式产生至少一个纵向传感器信号 取决于光束(136)对传感器区域(146)的照明,其中给定相同照明总功率的纵向传感器信号取决于光束(136)的光束横截面 所述传感器区域(146)中,其中每个纵向光学传感器(132)响应于所述光束(136)以两个不同纵向光学传感器(132)关于其光谱灵敏度不同的方式呈现光谱灵敏度;其中每个 所述光学纵向传感器(132)位于与所述相应纵向光学传感器(132)的光谱灵敏度有关的所述传送装置(120)的焦点(138)处; 以及 - 至少一个评估装置(150),其中所述评估装置(150)被设计为生成关于所述物体(112)的颜色的纵向位置和/或至少一个信息的至少一项信息, 通过评估每个纵向光学传感器(132)的纵向传感器信号。 因此,提供了用于精确确定空间中至少一个物体的位置和/或颜色的简单且仍然有效的检测器。
    • 9. 发明公开
    • Colorimeter calibration
    • Kolorimeterkalibrierung
    • EP3021096A1
    • 2016-05-18
    • EP14003792.0
    • 2014-11-11
    • Instrument Systems Optische Messtechnik Gmbh
    • Arenhold, KurtKhrustalev, PeterHäring, Reto
    • G01J3/50G01J3/52
    • G01J3/0297G01J3/501G01J3/513G01J3/524
    • A colorimeter with multiple sensings of light to provide higher accuracy measurements of the primaries of a human-standard observer based color space is provided. This color space (target color space) must have the characteristic of two chromaticity coordinates and an achromatic primary like CIELAB, CIELUV or xyY in CIE 1931. The calibration of the device includes training with a set of calibration illuminants. Two sets of calibration-factors are determined. The first set of calibration factors yields intensity of primaries optimized with respect to chromaticity, the second set yields the optimized intensity of the achromatic primary. The combination of these sets of calibration factors enable the colorimeter to deliver values of that light with respect to three primaries of a human-standard-observer-based color space optimized with respect to chromaticity and the achromatic primary.
    • 提供了具有多重感光的色度计,以提供基于人类基准观察者的颜色空间的基色的更高精度的测量。 该色彩空间(目标色彩空间)必须具有两个色度坐标和CIE 1931中的CIELAB,CIELUV或xyY的无色原色的特征。该设备的校准包括使用一组校准光源的训练。 确定两组校准因子。 第一组校准因子产生相对于色度优化的原色的强度,第二组产生无色初级的优化强度。 这些校准因子组的组合使得色度计能够相对于基于色度和消色差原色优化的基于人 - 标准 - 观察者的色彩空间的三个原色来传递该光的值。