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    Recording media smoothness detector and image forming apparatus incorporating same
    44.
    发明授权
    Recording media smoothness detector and image forming apparatus incorporating same 有权
    记录介质平滑度检测器和结合其的图像形成装置

    公开(公告)号：US09557697B2

    公开(公告)日：2017-01-31

    申请号：US14643082

    申请日：2015-03-10

    Applicant: Takumi Waida ,  Shuji Hirai ,  Terumichi Ochi ,  Shinji Kato ,  Ryota Yamashina ,  Keitaro Shoji

    Inventor： Takumi Waida ,  Shuji Hirai ,  Terumichi Ochi ,  Shinji Kato ,  Ryota Yamashina ,  Keitaro Shoji

    IPC: G01J4/00 ,  G03G15/00

    CPC classification number: G03G15/5029 ,  G03G2215/00616 ,  G03G2215/00734

    Abstract: A recording media smoothness detector includes a sensor and a calculator. The sensor includes a light source to emit light toward a recording medium and a light detector to detect an amount of light reflected by the recording medium. The calculator includes a first memory to store an initial output value of the sensor and a second memory to store a decreased output percentage of the sensor relative to the initial output value per number of recording media detected. The calculator is configured to calculate a decreased output amount of the sensor from the decreased output percentage of the sensor per number of recording media detected, according to a number of recording media detected by the sensor, to adjust a luminosity of the light source based on the calculated decreased output amount of the sensor and determine a type of the recording medium based on an output of the sensor after the adjustment of the luminosity of the light source and based on the number of recording media detected by the sensor.

    Abstract translation: 记录介质平滑度检测器包括传感器和计算器。 传感器包括向记录介质发射光的光源和用于检测由记录介质反射的光量的光检测器。 计算器包括用于存储传感器的初始输出值的第一存储器和用于存储传感器相对于每个检测到的记录介质的初始输出值减小的输出百分比的第二存储器。 计算器被配置为根据传感器检测到的记录介质的数量，根据传感器检测到的每个记录介质的数量，从传感器的输出百分比减小来计算传感器的输出量的减少，以根据传感器检测到的光源的亮度来调节 计算出的传感器的减少的输出量，并且在调整光源的亮度之后并且基于由传感器检测的记录介质的数量，基于传感器的输出来确定记录介质的类型。

    MEASURING DEVICE FOR DETERMINING A POLARISATION PARAMETER
    45.
    发明申请
    MEASURING DEVICE FOR DETERMINING A POLARISATION PARAMETER 审中-公开
    用于确定极化参数的测量装置

    公开(公告)号：US20170010539A1

    公开(公告)日：2017-01-12

    申请号：US15275686

    申请日：2016-09-26

    Applicant: Carl Zeiss SMT GmbH

    Inventor： Andreas WIRSING

    IPC: G03F7/20 ,  G01M11/02 ,  G01J4/00

    CPC classification number: G03F7/70191 ,  G01J4/00 ,  G01M11/0285 ,  G03F7/70566 ,  G03F7/70591 ,  G03F7/7085

    Abstract: A measurement system (10) for determining a polarization parameter of an optical system (50) has an illumination system (12) providing an optical radiation (14), a measurement mask (22) arranged between the illumination system and the optical system and including measurement structures (24) arranged at a plurality of field points (26) of the measurement mask, a polarization variation device (28) arranged in a beam path of the optical radiation and configured to vary a polarization state of the optical radiation in a field-point-dependent manner, such that at the same point in time one of the field points is irradiated with the optical radiation (14-1) in a first polarization state and another of the field points is irradiated with the optical radiation (14-2) in a second polarization state, and a detection module (32), which is configured to detect the optical radiation after it has interacted with the optical system.

    Abstract translation: 用于确定光学系统（50）的偏振参数的测量系统（10）具有提供光辐射（14）的照明系统（12），布置在照明系统和光学系统之间的测量掩模（22），包括 布置在测量掩模的多个场点（26）处的测量结构（24）;偏振变化装置（28），布置在光辐射的光束路径中，并且被配置为改变场辐射的偏振状态 点相关方式，使得在相同的时间点，在第一偏振状态中用光辐射（14-1）照射一个场点，并且用光辐射（14-）照射另一个场点， 2）处于第二偏振状态，以及检测模块（32），其被配置为在光学系统与光学系统相互作用之后检测光学辐射。

    Complete-stokes fourier-domain imaging polarimeter
    46.
    发明授权
    Complete-stokes fourier-domain imaging polarimeter 有权
    完整的斯托克斯傅立叶成像旋光仪

    公开(公告)号：US09535200B2

    公开(公告)日：2017-01-03

    申请号：US13720697

    申请日：2012-12-19

    Applicant: The Aerospace Corporation

    Inventor： John D Perreault

    IPC: G02B5/30 ,  G02B27/28 ,  G01J4/00 ,  G01J3/28 ,  G01J3/447

    CPC classification number: G02B5/3083 ,  G01J3/2803 ,  G01J3/447 ,  G01J4/00 ,  G02B27/283

    Abstract: An apparatus for simultaneously measuring linear and circular polarization components of light is provided, and contains no moving parts. The apparatus may include a prism assembly configured to receive collimated light and splits the light into different directions according to its polarization state. The apparatus may also include lenses configured to collimate light from an image plane to be analyzed by the prism assembly, or direct the light that is split by the prism assembly to different detectors or locations on an image plane.

    Abstract translation: 提供一种用于同时测量光的线性和圆偏振分量的装置，并且不包含移动部件。 该装置可以包括被配置为接收准直光并根据其偏振状态将光分解成不同方向的棱镜组件。 该装置还可以包括被配置为准直来自由棱镜组件分析的图像平面的光的透镜，或者将由棱镜组件分裂的光引导到图像平面上的不同检测器或位置。

    Method, apparatus and system for transmittance measurement
    47.
    发明授权
    Method, apparatus and system for transmittance measurement 有权
    透射率测量方法，仪器和系统

    公开(公告)号：US09470633B2

    公开(公告)日：2016-10-18

    申请号：US14181083

    申请日：2014-02-14

    Applicant: Google Inc.

    Inventor： Evan M. Richards ,  Anurag Gupta

    IPC: G01J4/00 ,  G01N21/59

    CPC classification number: G01N21/59

    Abstract: An apparatus for testing transmittance includes a sample unit to position a material under test. The material under test is disposed between respective flat surfaces of a first mount and a second mount, which are positioned in the sample unit for a test round. The sample unit defines a first volume and a second volume, wherein arc shapes, variously formed by respective surfaces of the first and second volume, conform to an imaginary circle. During the test round, a rotation unit successively changes an angular position of the MUT relative to a light source. A light detector receives light from the light source which has been transmitted through the first volume, the MUT and the second volume. Based on the received light, a transmittance signature of the MUT is determined for a range of incidence angles.

    Abstract translation: 用于测试透射率的装置包括用于定位被测材料的样品单元。 所测试的材料设置在第一安装件和第二安装件的相应的平坦表面之间，第一安装件和第二安装件位于样品单元中以进行测试。 样品单元限定第一体积和第二体积，其中由第一和第二体积的相应表面各种形成的弧形符合假想圆。 在测试周期中，旋转单元相继地改变MUT相对于光源的角位置。 光检测器接收来自已经透过第一卷，MUT和第二卷的光源的光。 基于所接收的光，对于入射角的范围确定MUT的透射特征。

    Snapshot spatial heterodyne imaging polarimetry
    48.
    发明授权
    Snapshot spatial heterodyne imaging polarimetry 有权
    快照空间外差成像偏振法

    公开(公告)号：US09442015B2

    公开(公告)日：2016-09-13

    申请号：US14091190

    申请日：2013-11-26

    Applicant: Michael W. Kudenov ,  Michael J. Escuti

    Inventor： Michael W. Kudenov ,  Michael J. Escuti

    IPC: G01J4/00 ,  G02F1/01 ,  G02F2/00 ,  G01J3/28 ,  G01J3/447 ,  G01J3/453 ,  G01J3/02 ,  G01J4/04 ,  G01J3/45

    CPC classification number: G01J4/00 ,  G01J3/0208 ,  G01J3/0229 ,  G01J3/2803 ,  G01J3/447 ,  G01J3/4531 ,  G01J4/04 ,  G01J2003/452 ,  G02F1/01 ,  G02F2/00

    Abstract: Polarization based channeled images are optically demodulated to produce directly viewable images. A channeled image flux is converted to an unpolarized flux by a phosphor or other sensor, and the resulting converted flux is demodulated by modulating at a spatial frequency corresponding to a modulating frequency of the channeled image flux. After modulation, the converted flux is spatially filtered to remove or attenuate portions associated with the modulation frequency and harmonics thereof. The resulting baseband flux is then imaged by direct viewing, projection, or using an image sensor and a display.

    Abstract translation: 基于偏振的信道图像被光学解调以产生直接可见的图像。 通过荧光体或其它传感器将通道图像通量转换成非极化通量，并且通过在对应于通道图像通量的调制频率的空间频率下进行调制来解调所得到的转换通量。 在调制之后，转换的通量被空间滤波以去除或衰减与其调制频率和谐波相关的部分。 然后通过直接观看，投影或使用图像传感器和显示器对所得到的基带通量进行成像。

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