Document illuminator with parabolic optical element
    1.
    发明授权
    Document illuminator with parabolic optical element 有权
    具有抛物面光学元件的文档照明器

    公开(公告)号:US07706030B2

    公开(公告)日:2010-04-27

    申请号:US11409109

    申请日:2006-04-21

    IPC分类号: H04N1/04

    摘要: An apparatus for illuminating a document includes an optical element formed of a light-transmissive material of a predetermined refractory index that defines a curved entry surface and an exit surface opposite the entry surface in which light enters the optical element via the entry surface and light exits the optical element via exit surface. A first substantially parabolic surface is defined between a first edge of the entry surface and first edge of the exit surface and a second substantially parabolic surface is defined between a second edge of the entry surface and a second edge of the exit surface such that the first and second substantially parabolic surface are spaced apart more at the exit surface than at the entry surface.

    摘要翻译: 用于照明原稿的装置包括由预定难熔指数的透光材料形成的光学元件,该光学元件限定弯曲的入射表面和与入射表面相对的出射表面,光入射表面中的光通过入射表面进入光学元件,并且光射出 光学元件通过出口表面。 第一实质上抛物线的表面限定在进入表面的第一边缘和出口表面的第一边缘之间,并且第二基本上抛物线的表面限定在进入表面的第二边缘和出口表面的第二边缘之间,使得第一 并且第二大体抛物面在出射表面处比在进入表面处更多地间隔开。

    Document illuminator with stepped optical element
    2.
    发明授权
    Document illuminator with stepped optical element 失效
    具有阶梯光学元件的文档照明器

    公开(公告)号:US07467879B2

    公开(公告)日:2008-12-23

    申请号:US11409137

    申请日:2006-04-21

    IPC分类号: F21V7/00

    摘要: An apparatus for scanning a document comprises a platen for supporting at least a portion of the document; a light source; and an optical element for directing light from the light source to the platen. The optical element defines a plurality of small planar surfaces, the small planar surfaces being arranged in a linear array. Light emanating from a source is reflected from one of the small planar surfaces and emerges substantially perpendicular to an exit surface.

    摘要翻译: 用于扫描文件的装置包括用于支撑文件的至少一部分的压板; 光源; 以及用于将来自光源的光引导到压板的光学元件。 光学元件限定多个小平面,小平面被布置成线性阵列。 从源极发出的光从小平面之一反射并基本上垂直于出射表面出射。

    Photosensitive imaging apparatus sensitive to orange light
    5.
    发明授权
    Photosensitive imaging apparatus sensitive to orange light 失效
    对橙光敏感的感光成像设备

    公开(公告)号:US06927381B2

    公开(公告)日:2005-08-09

    申请号:US10656622

    申请日:2003-09-05

    CPC分类号: H01L27/14645 H01L27/14621

    摘要: A photosensitive imaging device for recording images across the entire visible spectrum includes a set of photosensors which have a peak response around the orange part of the spectrum, about 600 nm. The peak response is obtained by combining responses of, in one case, photosensors associated with a filter which admits red or infrared wavelengths and longer and photosensors associated with a filter which admits orange wavelengths and longer. In another case, the photosensor is structured to attenuate longer wavelengths, which, in combination with a filter which admits orange and longer wavelengths, can simulate a peak behavior around the orange part of the spectrum.

    摘要翻译: 用于在整个可见光谱上记录图像的光敏成像装置包括一组光敏元件,其在约600nm处具有围绕光谱的橙色部分的峰值响应。 峰响应通过组合响应,在一种情况下,与允许红色或红外波长的滤波器相关联的光电传感器以及与允许橙色波长和更长的滤波器相关联的光电传感器的响应。 在另一种情况下,光电传感器被构造为衰减更长的波长,其与允许橙色和较长波长的滤波器组合可以模拟在光谱的橙色部分周围的峰值行为。

    Document illuminator with surface lens
    7.
    发明授权
    Document illuminator with surface lens 有权
    具有表面透镜的文档照明器

    公开(公告)号:US07760434B2

    公开(公告)日:2010-07-20

    申请号:US11513742

    申请日:2006-08-31

    IPC分类号: G02B27/10

    摘要: A scanning apparatus includes an illuminator for illuminating a portion of a document to be scanned. The illuminator includes an array of discrete light sources and an optical element. The optical element includes a light-transmissive material and defines a focusing portion and an angular modification portion. The angular modification portion tends to reduce specular flare by modifying the angular distribution of light from the light sources which are within the acceptance angle of a lens arrangement which focuses light from the document onto a sensor.

    摘要翻译: 扫描装置包括用于照亮待扫描文件的一部分的照明器。 照明器包括离散光源阵列和光学元件。 光学元件包括透光材料并且限定聚焦部分和角度修改部分。 角修改部分倾向于通过修改来自光源的光的角度分布来减少镜面光斑,所述角度分布在将光从文档聚焦到传感器上的透镜装置的接受角度内。

    Document illuminator
    8.
    发明授权
    Document illuminator 有权
    文件照明器

    公开(公告)号:US07755811B2

    公开(公告)日:2010-07-13

    申请号:US11169717

    申请日:2005-06-30

    IPC分类号: H04N1/04

    CPC分类号: G02B6/0021 G02B6/0018

    摘要: A document illuminator includes a light-transmissive element having an embedded source of illumination fitted in a cavity formed therein. The light-transmissive element preferably has one or more optical notches and preferably is encased in an opaque surround to promote total internal reflection of the light rays emanating from the LED. The one or more optical notches may include a dual-V notch or an elliptical notch. The reflected light rays are collected at an aperture which in turn transmit light at high power and highly uniform illumination profile to illuminate a document.

    摘要翻译: 文件照明器包括具有嵌入在其中形成的空腔中的嵌入式照明源的透光元件。 透光元件优选地具有一个或多个光学凹口,并且优选地被包围在不透明环境中以促进从LED发出的光线的全内反射。 一个或多个光学凹口可以包括双V凹口或椭圆形凹口。 反射的光线被收集在孔口处,孔口又以高功率传输光并且高度均匀的照明轮廓以照射文件。

    Document illuminator with surface lens
    9.
    发明申请
    Document illuminator with surface lens 有权
    具有表面透镜的文档照明器

    公开(公告)号:US20080055674A1

    公开(公告)日:2008-03-06

    申请号:US11513742

    申请日:2006-08-31

    IPC分类号: H04N1/04

    摘要: A scanning apparatus includes an illuminator for illuminating a portion of a document to be scanned. The illuminator includes an array of discrete light sources and an optical element. The optical element includes a light-transmissive material and defines a focusing portion and an angular modification portion. The angular modification portion tends to reduce specular flare by modifying the angular distribution of light from the light sources which are within the acceptance angle of a lens arrangement which focuses light from the document onto a sensor.

    摘要翻译: 扫描装置包括用于照亮待扫描文件的一部分的照明器。 照明器包括离散光源阵列和光学元件。 光学元件包括透光材料并且限定聚焦部分和角度修改部分。 角修改部分倾向于通过修改来自光源的光的角度分布来减少镜面光斑,所述角度分布在将光从文档聚焦到传感器上的透镜装置的接受角度内。

    Double gauss lens for a raster input scanner
    10.
    发明授权
    Double gauss lens for a raster input scanner 失效
    用于光栅输入扫描仪的双高斯镜头

    公开(公告)号:US4863251A

    公开(公告)日:1989-09-05

    申请号:US25755

    申请日:1987-03-13

    CPC分类号: H04N1/193 G02B13/24 G02B26/10

    摘要: A double Gauss reduction lens is optimized for projecting line images from an object plane onto a photosensor array. The six elements, four-component lens has a numeral focal length of 550 mm, a field of view of 17.degree. at the numeral 550 mm overall object to image conjugate length and a magnification of 0.1102. The lens is characterized by a high modulation transfer fequency, large depth of focus and low distortion.

    摘要翻译: 优化双高斯减速透镜,用于将物镜平面上的线图像投影到光传感器阵列上。 六个元件的四分量透镜的数字焦距为550mm,视角为17°,总体对象为550mm,图像共轭长度为0.1102。 透镜的特征在于高调制传输频率,大的聚焦深度和低失真。