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    • 5. 发明授权
    • Apparatus for forming an image and corresponding methods
    • 用于形成图像的装置和相应的方法
    • US08217975B2
    • 2012-07-10
    • US12060513
    • 2008-04-01
    • Robert J. KlecknerPatrick Yasuo MaedaMartin Pepe
    • Robert J. KlecknerPatrick Yasuo MaedaMartin Pepe
    • B41J2/455
    • B41J2/473B41J2/45
    • Disclosed are an apparatus, optical scanning device, and a corresponding method of forming images on a photosensitive surface. The apparatus includes a laser raster output scanner (ROS) including laser emitters arranged to simultaneously scan a plurality of laser beams across a single scan line of the photosensitive surface in response to received image data corresponding to pixels in an image to be reproduced, and a controller individually controlling each of the laser emitters to selectively apply one of a plurality of power levels to each of the laser beams based on the image data for each of the pixels, wherein a total power applied by the laser beams for each pixel is determined by a sum of the power levels applied by each of the laser beams.
    • 公开了一种在感光表面上形成图像的装置,光学扫描装置和相应的方法。 该装置包括激光光栅输出扫描器(ROS),其包括激光发射器,其被布置成响应于对应于要再现的图像中的像素的接收图像数据而同时扫描多个激光束穿过感光表面的单个扫描线,以及 控制器单独地控制每个激光发射器,以基于每个像素的图像数据选择性地将多个功率电平中的一个施加到每个激光束,其中由每个像素的激光束施加的总功率由 由每个激光束施加的功率电平的和。
    • 8. 发明授权
    • Camera capable of displaying the level of visual effect
    • 相机能够显示视觉效果的水平
    • US6141499A
    • 2000-10-31
    • US498067
    • 2000-02-04
    • Shigeto OhmoriTakehiro KatohYasuo MaedaTetsuo YamadaMasayasu HiranoNaohiro KageyamaHiroko Ono
    • Shigeto OhmoriTakehiro KatohYasuo MaedaTetsuo YamadaMasayasu HiranoNaohiro KageyamaHiroko Ono
    • G03B7/08G03B13/30G03B17/20
    • G03B17/20G03B7/0807G03B2207/005G03B2217/005G03B2217/185
    • A camera is provided with a photographing device for setting various photographing conditions which determine a state of a subject image to be obtained as a picture, the photography device including an exposure device having a Plurality of selectively settable exposure modes for automatically setting at least one exposure value based on brightness of a subject, a mode selector for selecting one of the plurality of exposure modes, a calculation unit for calculating an amount indicative of the state of the subject image in accordance with the photographing conditions set by the photography device, an estimation unit for estimating visual effects which the subject image provides based on the calculated state amount, and a display device for displaying the visual effect corresponding to the exposure mode selected by the mode selection means in accordance with the estimated visual effects. Accordingly, an operator of the camera is allowed to conceive before an exposing operation what the final picture will look like in accordance with the photographing conditions set in a variety of exposure modes.
    • 相机设置有拍摄装置,用于设置确定作为图像获得的被摄体图像的状态的各种拍摄条件,所述拍摄装置包括具有多个可选择可设置的曝光模式的曝光装置,用于自动设定至少一个曝光 基于被摄体的亮度的值,用于选择多个曝光模式中的一个的模式选择器;计算单元,用于根据由摄影装置设置的拍摄条件计算指示被摄体图像的状态的量;估计 用于基于计算出的状态量估计被摄体图像提供的视觉效果的单元,以及用于根据估计的视觉效果显示与由模式选择装置选择的曝光模式相对应的视觉效果的显示装置。 因此,根据在各种曝光模式中设置的拍摄条件,允许相机的操作者在曝光操作之前构想最终图像将看起来像什么。
    • 9. 发明授权
    • Display system for displaying information in the viewfinder of a camera
    • 用于在相机的取景器中显示信息的显示系统
    • US5019854A
    • 1991-05-28
    • US406703
    • 1989-09-13
    • Hiromu MukaiKohtaro HayashiYasuo Maeda
    • Hiromu MukaiKohtaro HayashiYasuo Maeda
    • G03B17/20
    • G03B17/20
    • A display system for displaying information in the viewfinder of a camera, capable of displaying a positive pattern indicating a distance measuring area and a light measuring area on a transparent background so that a photographing field can be seen through the transparent background of the pattern. The display system comprises a liquid crystal display of a guest-host type disposed near the focal plane of the optical system of the viewfinder. The liquid crystal display comprises transparent electrodes provided with a pattern indicating distance measuring areas and light measuring areas, a liquid crystal of a cholestericnematic phase transition type having a negative anisotropic dielectric property as host, and a dichroic coloring matter having an anisotropic light absorption property as guest. The pattern having a high opacity is displayed on a transparent background in the viewfinder in a satisfactory contrast to the background.
    • 一种用于在相机的取景器中显示信息的显示系统,其能够在透明背景上显示指示距离测量区域和光测量区域的正图案,使得可以通过图案的透明背景来看到拍摄场。 显示系统包括设置在取景器的光学系统的焦平面附近的宾主型液晶显示器。 液晶显示器包括具有指示距离测量区域和光测量区域的图案的透明电极,具有负的各向异性介电性质的胆甾型向列相变型的液晶作为主体,并且具有各向异性光吸收特性的二色性着色剂为 客人。 具有高不透明度的图案以与背景令人满意的对比度在取景器中的透明背景上显示。
    • 10. 发明授权
    • Control system for light-emitting device
    • 发光装置控制系统
    • US08143791B2
    • 2012-03-27
    • US12334269
    • 2008-12-12
    • Patrick Yasuo Maeda
    • Patrick Yasuo Maeda
    • H05B37/02
    • H05B33/0869H05B33/0848
    • A control system for a light-emitting device may include test circuitry, photodetectors, and process circuitry. The test circuitry is configured to sequentially drive individual groups of light-emitting elements in a light-emitting device during a test sequence. Each group of light-emitting elements includes one or more light-emitting elements. The photodetectors are configured to detect an intensity of light present at a plurality of locations of the light-emitting device during the test sequence and generate a detection signal corresponding to the detected intensity of light. The process circuitry is configured to process the detection signals and transmit an adjustment signal based on the processing. The light-emitting elements may then be driven such that at least one characteristic of light emitted by all of the plurality of light-emitting elements is substantially the same at each of the plurality of locations of the light-mixing region.
    • 用于发光装置的控制系统可以包括测试电路,光电检测器和处理电路。 测试电路被配置为在测试序列期间顺序驱动发光器件中的各组发光元件。 每组发光元件包括一个或多个发光元件。 光电检测器被配置为在测试序列期间检测存在于发光器件的多个位置处的光的强度,并且产生对应于检测到的光强度的检测信号。 处理电路被配置为处理检测信号并且基于该处理发送调整信号。 然后可以驱动发光元件,使得由多个发光元件的全部发射的光的至少一个特性在光混合区域的多个位置的每一个处都基本相同。