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    • 4. 发明申请
    • OPTICAL DETECTOR
    • 光学检测器
    • WO2016092454A1
    • 2016-06-16
    • PCT/IB2015/059411
    • 2015-12-07
    • BASF SEBASF (CHINA) COMPANY LIMITED
    • SEND, RobertBRUDER, IngmarVALOUCH, SebastianIRLE, StephanTHIEL, Erwin
    • G01C3/06
    • G01J1/4228G01C3/06G01J1/08G01J1/44G01S5/16G01S7/4816G01S11/12G01S17/023G01S17/46G02B7/32
    • An optical detector(110) is disclosed, comprising: at least one optical sensor(122) adapted to detect a light beam(120) and to generate at least one sensor signal, wherein the optical sensor(122) has at least one sensor region(124), wherein the sensor signal of the optical sensor(122) exhibits a non-linear dependency on an illumination of the sensor region(124) by the light beam (120) with respect to a total power of the illumination; at least one image sensor(128) being a pixelated sensor comprising a pixel matrix(174) of image pixels(176), wherein the image pixels(176) are adapted to detect the light beam(120) and to generate at least one image signal, wherein the image signal exhibits a linear dependency on the illumination of the image pixels(176) by the light beam(1,6) with respect to the total power of the illumination; and at least one evaluation device(132), the evaluation device(132) being adapted to evaluate the sensor signal and the image signal. In a particularly preferred embodiment, the non-linear dependency of the sensor signal on the total power of the illumination of the optical sensor(122) is expressible by a non-linear function comprising a linear part and a non-linear part, wherein the evaluation device(132) is adapted to determine the linear part and/or the non-linear part of the non-linear function by evaluating both the sensor signal and the image signal. Herein, the evaluation device(132), preferably, comprises a processing circuit(136) being adapted to provide a difference between the sensor signal and the image signal for determining the non-linear part of the non-linear function.
    • 公开了一种光学检测器(110),包括:适于检测光束(120)并产生至少一个传感器信号的至少一个光学传感器(122),其中所述光学传感器(122)具有至少一个传感器区域 (124),其中所述光学传感器(122)的传感器信号相对于所述照明的总功率对所述光束(120)的所述传感器区域(124)的照明呈现非线性依赖性; 至少一个图像传感器(128)是像素化传感器,其包括图像像素(176)的像素矩阵(174),其中图像像素(176)适于检测光束(120)并且生成至少一个图像 信号,其中所述图像信号相对于所述照明的总功率表现出由所述光束(1,6)对所述图像像素(176)的照明的线性依赖性; 和至少一个评估装置(132),评估装置(132)适于评估传感器信号和图像信号。 在特别优选的实施例中,传感器信号对光学传感器(122)的照明的总功率的非线性依赖性可由包括线性部分和非线性部分的非线性函数表示,其中, 评估装置(132)适于通过评估传感器信号和图像信号来确定非线性函数的线性部分和/或非线性部分。 这里,评估装置(132)优选地包括处理电路(136),其适于提供传感器信号和图像信号之间的差异,用于确定非线性函数的非线性部分。
    • 7. 发明申请
    • METHOD OF PROVIDING MARKINGS TO PRECIOUS STONES INCLUDING GEMSTONES AND DIAMONDS, AND MARKINGS AND MARKED PRECIOUS STONES MARKED ACCORDING TO SUCH A METHOD
    • 向包括钻石和钻石在内的重要石碑提供标记的方法,以及根据这种方法标记的标记和标记的重要石碑
    • WO2015051640A1
    • 2015-04-16
    • PCT/CN2014/078135
    • 2014-05-22
    • GOLDWAY TECHNOLOGY LIMITED
    • HUI, Koon ChungTANG, Wing ChiCHING, Ho
    • G01N21/87
    • G09F3/00A44C17/00B23K26/0006B23K26/0084B23K2203/50B41M5/24G01J1/08G01N21/87G02B5/1842G02B5/1857G02B5/1861G09F23/00
    • An identifiable mark on a portion of a polished facet of a surface of an article and being identifiable by an optical magnifying viewing device, said identifiable mark comprising a nano-structure formed by a two-dimensional or a three-dimensional lattice of a plurality of discrete nanometer sized recessed or protruded entities, wherein said entities are arranged within a predefined region of said polished facet in a predetermined arrangement in relation to each other and such that an outer interface surface between the facet of the article and air is formed and an inner interface surface between the facet of the article and air is formed. Said predetermined arrangement of said entities is non-uniform and non-periodic arrangement, and wherein said entities are sized and shaped so as to cause optical scattering upon reflection of incident light and the distance from the inner interface surface to the outer interface surface is greater than the amplitude of the non-marked portion of said polished face. Upon reflection of incident light having one or more predetermined wavelengths by said lattice at a predetermined angle of incidence to said lattice, interference due to scattering of light from said lattice is induced such that said reflected light has a variation in intensity providing one or more local maxima of one or more wavelengths. Said mark is identifiable by way of an optical magnifying viewing device inclined at a requisite viewing angle such that a local maxima is detected.
    • 在物品表面的抛光小面的一部分上的可识别的标记并且可由光学放大观察装置识别,所述可识别标记包括由多个或多个的二维或三维网格形成的纳米结构 离散的纳米尺寸的凹入或突出的实体,其中所述实体以相对于彼此的预定布置布置在所述抛光小面的预定区域内,并且使得形成所述制品的小面与空气之间的外部界面表面, 形成制品的小面与空气之间的界面。 所述实体的所述预定布置是不均匀和非周期性布置,并且其中所述实体的尺寸和形状被设计成在入射光反射时引起光散射,并且从内界面到外界面的距离更大 比所述抛光面的未标记部分的幅度大。 通过所述格子以预定的入射角对所述格子反射具有一个或多个预定波长的入射光,由于来自所述晶格的光的散射引起的干涉被引起,使得所述反射光具有提供一个或多个局部 一个或多个波长的最大值。 所述标记可以通过以必要的视角倾斜的光学放大观察装置来识别,从而检测到局部最大值。
    • 9. 发明申请
    • METHOD AND DEVICE FOR SIMULATING A LIGHT SOURCE HAVING A LIGHT INTENSITY PROFILE THAT VARIES IN TIME
    • 用于模拟具有时间的各种亮度强度特征的光源的方法和装置
    • WO2013179015A1
    • 2013-12-05
    • PCT/GB2013/051402
    • 2013-05-28
    • MBDA UK LIMITED
    • SIDERY, Colin, JohnLITTLE, David, Nigel
    • F21V11/08F21V11/14F21V11/16F21V14/08G01J1/04G01J1/08
    • G02B27/0988F21V11/08F21V11/14F21V11/16F21V14/08G01J1/04G01J1/08
    • A method and device for simulating a light source (1) having a light intensity profile that varies in time. The method includes the steps of: providing a light source (1); using a mask (5) to at least partially block light (3) emitted by the light source (1); and adjusting the position of the mask (5) in accordance with an electrical signal representative of the light intensity profile so as to adjust the extent to which the mask (5) blocks light (3) from the light source (1), and thereby providing the light intensity profile that varies in time. The device comprises: a mask (5) to at least partially block light (3) from a light source (1); and an actuator for adjusting the position of the mask in accordance with an electrical signal representative of the light intensity profile so that the extent to which the mask blocks light from the light source is adjustable to provide the light intensity profile that varies in time.
    • 一种用于模拟具有随时间变化的光强度分布的光源(1)的方法和装置。 该方法包括以下步骤:提供光源(1); 使用掩模(5)至少部分地阻挡由光源(1)发射的光(3); 以及根据代表光强度分布的电信号来调整掩模(5)的位置,以调节掩模(5)阻挡光(3)与光源(1)的程度,从而 提供在时间上变化的光强度分布。 该装置包括:至少部分地阻挡来自光源(1)的光(3)的掩模(5); 以及致动器,用于根据表示光强度分布的电信号调整掩模的位置,使得掩模阻挡来自光源的光的程度是可调节的,以提供在时间上变化的光强度分布。