知搜-全球专利检索

  1. Login
  2. Sign Up

Search Results

403 records (took 0.015 seconds)

    Color printing method and apparatus
    131.
    发明授权
    Color printing method and apparatus 失效
    彩色打印方法和装置

    公开(公告)号：US4873546A

    公开(公告)日：1989-10-10

    申请号：US264399

    申请日：1988-10-28

    Applicant: Wolfgang Zahn ,  Manfred Fursich ,  Wilhelm Nitsch ,  Hans-Jurgen Rauh ,  Helmut Treiber

    Inventor： Wolfgang Zahn ,  Manfred Fursich ,  Wilhelm Nitsch ,  Hans-Jurgen Rauh ,  Helmut Treiber

    IPC: G01J3/46 ,  B41F33/00 ,  G01J1/42 ,  G01J3/14 ,  G01J3/28 ,  G01N21/59 ,  G01N21/86 ,  G03B27/73 ,  G03B27/80

    CPC classification number: G01N21/5911 ,  B41F33/0036 ,  G03B27/735 ,  G01J1/4223 ,  G01J2003/2813 ,  G01J3/14 ,  G01J3/2803 ,  G01N21/86

    Abstract: Light containing blue, green and red radiation is passed through a colored original which is to be printed on color copy material. The transmitted light is spread out into a color spectrum which extends across a first wavelength range generally corresponding to the blue portion of the spectrum, a second wavelength range generally corresponding to the green portion of the spectrum and a third wavelength range generally corresponding to the red portion of the spectrum. The intensity of the transmitted light is measured throughout the spectrum and average of the resulting raw intensities are taken oer each of a series of wavelength intervals which are much shorter than the first, second and third ranges. The copy material has a gamma value for each wavelength interval and such gamma value represents the spectral sensitivity of the copy material in the corresponding interval. The average intensity for each wavelength interval is multiplied by the respective gamma value to yield a corrected intensity. The corrected intensities for each wavelength range are summed to generate first, second and third sums corresponding to the first, second and third ranges and respectively representing the blue, green and red densities of the original. The first, second and third sums are used to calculate the respective amounts of blue, green and red light required to print the original with a neutral gray density.

    Abstract translation: 含有蓝色，绿色和红色辐射的光通过将被打印在彩色复印材料上的彩色原稿。 透射的光被扩散到彩色光谱中，该色谱线延伸跨越通常对应于光谱的蓝色部分的第一波长范围，通常对应于光谱的绿色部分的第二波长范围和通常对应于红色的第三波长范围 部分光谱。 在整个光谱中测量透射光的强度，并且所得到的原始强度的平均值采用比第一，第二和第三范围短得多的一系列波长间隔中的每一个。 复制材料对于每个波长间隔具有伽马值，并且这样的伽马值表示复制材料在相应间隔中的光谱灵敏度。 每个波长间隔的平均强度乘以相应的伽马值以产生校正强度。 将每个波长范围的校正强度相加以产生对应于第一，第二和第三范围的第一，第二和第三和，并分别表示原始的蓝色，绿色和红色密度。 第一，第二和第三和用于计算以中性灰度密度打印原稿所需的蓝色，绿色和红色光的各自的量。

    Apparatus for viewing a refracted image and photographic method
    132.
    发明授权
    Apparatus for viewing a refracted image and photographic method 失效
    用于观察折射图像和摄影方法的装置

    公开(公告)号：US4805990A

    公开(公告)日：1989-02-21

    申请号：US10767

    申请日：1987-02-04

    Applicant: Clarence C. Edwards

    Inventor： Clarence C. Edwards

    IPC: G02B27/02 ,  G02B5/04 ,  G01J3/14 ,  G01J3/46 ,  G01J3/51

    CPC classification number: G02B27/022

    Abstract: A hand-held prism and support structure, in which a positioning element is engageable with the head of a viewer for orientation and manipulation to position the prism as to enable the viewer to receive refracted light from a scene which is in advance of the viewer. The prism has an upper face and a pair of depending and converging faces, the positioning element being engageable with the nose of the viewer. A filter strip comprising different color filters is provided in advance of the prism and one eye of the viewer, there being a prism without a filter in advance of the other eye.A method of color photography includes viewing a refracted and, optionally, color-filtered image of a scene, and photographing the scene using color sensitive film and, optionally, a color filter.

    Abstract translation: 一种手持式棱镜和支撑结构，其中定位元件可与观看者的头部接合以进行定位和操纵以定位棱镜，以使得观看者能够接收来自观看者之前的场景的折射光。 棱镜具有上表面和一对垂直和会聚的面，定位元件可与观察者的鼻部接合。 在棱镜和观察者的一只眼睛之前提供包括不同滤色器的滤色片，在另一只眼睛之前有一个没有滤光片的棱镜。 彩色摄影的方法包括观看场景的折射和可选的彩色滤波图像，以及使用感光膜和可选的滤色器拍摄场景。

    Controlling light beam spectrum
    133.
    发明授权
    Controlling light beam spectrum 失效
    控制光束光谱

    公开(公告)号：US4660975A

    公开(公告)日：1987-04-28

    申请号：US630605

    申请日：1984-07-13

    Applicant: John E. Aughton

    Inventor： John E. Aughton

    IPC: G02B26/00 ,  G01J3/12 ,  G01J3/14 ,  G01J3/46 ,  G02B26/02 ,  G02B26/06 ,  G01J3/06 ,  G01J3/32

    CPC classification number: G01J3/14 ,  G01J3/46 ,  G01J2003/1278 ,  G01J3/501

    Abstract: A method and apparatus for controlling the spectral components of a light beam are described. The apparatus comprises means (3-7) for generating a collimated light beam; means (9) for dispersing the collimated beam; a mask (1) including an aperture (2) the size of which is such that a portion of the dispersed beam passes through the aperture in use; and movement means (not shown) for causing relative transverse movement between the light beam and the aperture. A memory (not shown) is provided for storing in use a profile of the relative transverse movement between the light beam and the aperture (2) required to obtain a desired spectral response in the transmitted light beam, the movement means being responsive to the stored profile to cause relative transverse movement in accordance with the predetermined profile.

    Abstract translation: 描述了用于控制光束的光谱分量的方法和装置。 该装置包括用于产生准直光束的装置（3-7） 用于分散准直光束的装置（9）; 包括孔（2）的面罩（1），其尺寸使得分散束的一部分在使用中通过所述孔; 以及用于在光束和孔之间引起相对横向移动的移动装置（未示出）。 提供存储器（未示出），用于在使用中存储光束与在透射光束中获得期望的光谱响应所需的光圈（2）之间的相对横向移动的轮廓，该移动装置响应于所存储的 轮廓以根据预定轮廓引起相对横向移动。

Patent Agency Ranking