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    • 1. 发明授权
    • Focus detecting device
    • 对焦检测装置
    • US4384770A
    • 1983-05-24
    • US278030
    • 1981-06-29
    • Seijiro TokutomiRyota OgawaMichiro OhishiKazuo NakamuraMasao JyojikiSatoru Tachihara
    • Seijiro TokutomiRyota OgawaMichiro OhishiKazuo NakamuraMasao JyojikiSatoru Tachihara
    • G03B13/36G02B7/34G03B3/00
    • G02B7/34
    • A focus detecting device having two concave mirrors for reforming the image of an object which is formed between a lens and the focal plane of lens, and for dividing said image two same secondary images. Two light receiving element arrays are provided in the image forming planes of the secondary images. A signal processing circuit subjects the outputs of the light receiving element arrays to produce a signal indicating whether or not the lens is focussed on the object. By means of the two concave mirrors adapted to form said secondary images, the two secondary images are shifted in the opposite directions on the light receiving element arrays at the time of defocussing so that the difference between the outputs of the two light receiving element arrays is not zero. At the time of proper focus the two secondary images are located at equivalent positions on said light receiving element arrays so that the difference between the outputs of the two light receiving element arrays is zero. A signal processing circuit produces a signal indicating the establishment of the proper focus.
    • 一种焦点检测装置,具有两个凹面镜,用于对形成在透镜和透镜焦平面之间的物体的图像进行重构,并且用于将所述图像分成两个相同的二次图像。 在次级图像的图像形成平面中设置两个光接收元件阵列。 信号处理电路使受光元件阵列的输出端产生指示透镜是否聚焦在物体上的信号。 借助于适于形成所述二次图像的两个凹面镜,在聚焦时两个次要图像在光接收元件阵列上沿相反方向移位,使得两个光接收元件阵列的输出之间的差为 不为零。 在适当的对焦时,两个次要图像位于所述光接收元件阵列上的等同位置,使得两个光接收元件阵列的输出之间的差为零。 信号处理电路产生指示正确聚焦的建立的信号。
    • 2. 发明授权
    • Focus detecting device
    • 对焦检测装置
    • US4258989A
    • 1981-03-31
    • US33067
    • 1979-04-25
    • Seijiro TokutomiRyota OgawaMichiro OhishiKazuo NakamuraMasao JyojikiSatoru Tachihara
    • Seijiro TokutomiRyota OgawaMichiro OhishiKazuo NakamuraMasao JyojikiSatoru Tachihara
    • G03B13/36G02B7/34G03B13/18G03B17/20
    • G02B7/34
    • A focus detecting device having a release lens for reforming the image of an object which is formed between a lens and the focal plane of the lens. A mirror is provided between the release lens and an image reforming plane for dividing the primary image into two secondary images. Two light receiving element arrays provided in the image forming planes of said secondary images provide outputs to a signal processing circuit for comparison to produce a signal indicating whether or not the lens is focussed on the object. The mirror for dividing the primary image into two secondary images, shifts the two secondary images in opposite directions on the light receiving element arrays at the time of defocussing so that the difference between the outputs of said two light receiving element arrays is not zero. At the time of focussing, the two secondary images are located at equivalent positions on the light receiving element arrays so that the difference between the outputs of said two light receiving element arrays is zero.
    • 一种聚焦检测装置,其具有用于对形成在透镜和透镜的焦平面之间的物体的图像进行重整的释放镜头。 在释放镜头和用于将主图像分割成两个二次图像的图像重构平面之间设置镜子。 设置在所述二次图像的图像形成平面中的两个光接收元件阵列向信号处理电路提供输出以进行比较,以产生指示透镜是否聚焦在对象上的信号。 用于将主图像分割成两个次级图像的反射镜,在分焦时使光接收元件阵列上的两个次级图像在相反方向上移位,使得所述两个光接收元件阵列的输出之间的差不为零。 在聚焦时,两个次要图像位于光接收元件阵列上的等效位置,使得所述两个光接收元件阵列的输出之间的差为零。
    • 4. 发明授权
    • Copying apparatus
    • 复印机
    • US4354756A
    • 1982-10-19
    • US253637
    • 1981-04-13
    • Yasunori AraiRyota OgawaMichiro Ohishi
    • Yasunori AraiRyota OgawaMichiro Ohishi
    • G03B27/32G03B27/50G03G15/00G03G15/04G03G15/22G03G15/30G03G21/00
    • G03G15/30G03G15/04G03G15/0435
    • A copying apparatus and method in which a single image of an original is utilized to form plural copies without degradation of the copy quality. A single rotatable drum is provided which has first and second photosensitive surfaces formed thereon. The image of the original is first scanned in response to which a latent image is formed the first photosensitive surface. This image is developed to form a primary toner image. As the drum is rotated through 180.degree., the primary toner image is repeatedly transferred to the second photosensitive surface so as to form repeatedly, upon developing, secondary toner images which are transferred to recording sheets. The same optical system is utilized for illuminating the first photosensitive surface with an image of the original and for transferring the primary toner image onto the second photosensitive surface.
    • 一种复制装置和方法,其中原件的单张图像被用于形成多个拷贝而不降低复印质量。 提供单个可旋转滚筒,其具有形成在其上的第一和第二感光表面。 首先扫描原稿的图像,响应于该第一感光表面形成潜像。 该图像被开发以形成初级调色剂图像。 当滚筒旋转180度时,主要调色剂图像被重复地转印到第二感光表面,以便在显影时重复地形成转印到记录片材上的二次调色剂图像。 使用相同的光学系统用原稿的图像照亮第一感光表面,并将初级调色剂图像转印到第二感光表面上。
    • 5. 发明授权
    • Optical system for imprinting information
    • 用于打印信息的光学系统
    • US4270140A
    • 1981-05-26
    • US51287
    • 1979-06-22
    • Michiro Ohishi
    • Michiro Ohishi
    • H04N5/30G02B27/10H04N9/097H04N9/04
    • H04N9/097
    • An optical system for a three or two image pick-up element type color television camera, in which an illuminating lamp, a chart on which information are provided, and a lens for projecting the image of said characters. The information on the chart is arranged outside the path of light of a photographed image and in the vicinity of a color separation prism system in such a manner that said image of information is applied as optical information to the color separation prism system. The optical information passes through the color separation prism system to form the image of the information on the image forming surface of an image pick-up element outside the color separation prism system.
    • 一种用于三个或两个图像拾取元件型彩色电视摄像机的光学系统,其中照明灯,提供信息的图表和用于投影所述字符的图像的透镜。 图中的信息被布置在拍摄图像的光线的外侧和分色棱镜系统附近,使得将信息图像作为光学信息应用于分色棱镜系统。 光学信息通过分色棱镜系统,以形成在分色棱镜系统外的图像拾取元件的图像形成表面上的信息的图像。
    • 8. 发明授权
    • Interchangeable eye piece-housing
    • 可互换的眼件外壳
    • US4279489A
    • 1981-07-21
    • US34037
    • 1979-04-27
    • Tetsuji ShonoKazuo GotoMichiro Ohishi
    • Tetsuji ShonoKazuo GotoMichiro Ohishi
    • G03B13/26G03B13/06G03B13/10G03B17/02G03B19/12G03B13/08
    • G03B13/06G03B13/10G03B17/02G03B19/12
    • A single lens reflex camera having a Keplerian telescope type eye level finder optical system and the display of data in a viewfinder, the data display is provided on the second focus surface of the optical system or in the vicinity thereof. A interchangeable eye piece housing uses a mount device having a camera side mount and an eye piece side mount provided between the second focus surface and an eye level eye piece of the optical system. An eye level eye piece housing and a waist level eye piece housing are interchangeably mounted on the camera side mount. The eye level eye piece housing comprises an eye level eye piece and an eye piece side mount. A waist level eye piece housing comprises a waist level eye piece, a waist level prism or two mirrors having two reflection surfaces perpendicular to a plane including an exit optical axis extended from the camera side mount and the optical axis of the waist level eye piece to change the direction of the exit optical axis so that the exit optical axis is extended into the waist level eye piece.
    • 一种具有开普勒望远镜型眼睛取景器光学系统的单镜头反光相机以及取景器中的数据显示,数据显示设置在光学系统的第二焦点表面或其附近。 可互换的眼罩壳体使用具有相机侧安装件和设置在光学系统的第二聚焦表面和眼睛水平眼镜片之间的眼镜片安装座的安装装置。 眼睛水平的眼罩壳体和腰围水平的眼罩壳体可互换地安装在相机侧支架上。 眼睛水平眼罩壳体包括眼睛水平眼镜片和眼镜片侧面安装件。 腰围水平眼罩壳体包括腰围水平眼镜,腰围棱镜或两个反射镜,其具有垂直于包括从相机侧安装件延伸的出射光轴和腰围水平眼镜片的光轴的平面的两个反射表面, 改变出射光轴的方向,使出射光轴延伸到腰围水平的眼部。