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    • 1. 发明授权
    • Projection lens and projection system
    • 投影镜头和投影系统
    • US5042929A
    • 1991-08-27
    • US494542
    • 1990-03-16
    • Takaaki TanakaYoshito MiyatakeYuichi Kimura
    • Takaaki TanakaYoshito MiyatakeYuichi Kimura
    • G02B13/16G02B13/04G02B13/18
    • G02B13/18G02B13/04
    • A projection lens enlarges and projects optical images in a matrix type light valve onto a screen. The projection lens includes a front lens group of the retrofocusing type; a rear lens with aspherical surfaces whose radii of curvature in the peripheral portion are shorter than that in the central portion; and a reflecting mirror which is positioned between the front lens group and the rear lens and diverts the optical axis. This projection lens enables the optical images in the light valve to be projected with a high contrast and a wide field angle. A projection system is provided which includes a light source; a light valve; a converging optical apparatus; a transmission type screen; diverting place mirrors; and a projection lens to enlarge and project the optical images in the light valve onto the screen. Since the projection lens has a wide field angle and has the reflecting mirror provided therein, the projection system can be very compact.
    • 投影透镜将矩阵型光阀中的光学图像放大并投影到屏幕上。 投影透镜包括后焦点类型的前透镜组; 具有非球面的后透镜,其周边部分的曲率半径比中心部分的半径更短; 以及反射镜,其位于前透镜组和后透镜之间并且使光轴转向。 该投影透镜使光阀中的光学图像以高对比度和宽视场角投影。 提供一种包括光源的投影系统; 一个光阀; 会聚光学装置; 传输类型屏幕; 分流镜子; 以及用于将光阀中的光学图像放大并投影到屏幕上的投影透镜。 由于投影透镜具有宽的视场角,并且其中设置有反射镜,所以投影系统可以非常紧凑。
    • 2. 发明授权
    • Projection lens assembly and projection display apparatus
    • 投影镜头组合和投影显示装置
    • US5390048A
    • 1995-02-14
    • US984311
    • 1992-12-01
    • Yoshito MiyatakeYuichi KimuraSinya SannoheYoshimasa Fushimi
    • Yoshito MiyatakeYuichi KimuraSinya SannoheYoshimasa Fushimi
    • G02B9/12G02B9/34G02B13/22
    • G02B13/22G02B13/04G02B9/12
    • An optical system of a projection display apparatus includes a projection lens assembly having a first lens group having a negative power, a second lens group having a negative power and a third lens group having a positive power, all arranged in this order from a side of a screen. An air space is provided between the first and second lens groups and also between the second and third lens groups. Each air space is longer than the entire length of the second lens group as taken along the optical axis of the assembly. The projection display apparatus has a light source for radiating rays of light including three primary color components, a color separating optical system for separating the radiation into three primary color components, first to third light valves each operable to receive the respective primary color components from the color separating optical system and to form an optical image having an optical characteristic varying as a function of a video signal, and a color combining optical system for combining images of light emerging, respectively, from the light valves to provide a composite image. The projection lens assembly receives the image from the combining unit so as to project the optical images, formed on the respective light valves, onto a screen.
    • 投影型显示装置的光学系统包括投影透镜组件,该投影透镜组件具有负功率的第一透镜组,具有负光焦度的第二透镜组和具有正光焦度的第三透镜组,全部从 一个屏幕。 在第一透镜组和第二透镜组之间以及第二和第三透镜组之间设置空气空间。 每个空气空间比沿着组件的光轴截取的第二透镜组的整个长度长。 投影显示装置具有用于照射包括三原色成分的光线的光源,用于将辐射分离为三原色成分的分色光学系统,第一至第三光阀,其可操作以从所述基色接收各自的原色成分 并且形成具有作为视频信号的函数而变化的光学特性的光学图像;以及颜色组合光学系统,用于分别组合来自光阀的光的图像,以提供合成图像。 投影透镜组件从组合单元接收图像,以将形成在各个光阀上的光学图像投影到屏幕上。
    • 3. 发明授权
    • Projection lens assembly and projection display apparatus
    • 投影镜头组合和投影显示装置
    • US5539579A
    • 1996-07-23
    • US341885
    • 1994-11-15
    • Yoshito MiyatakeYuichi KimuraSinya SannoheYoshimasa Fushimi
    • Yoshito MiyatakeYuichi KimuraSinya SannoheYoshimasa Fushimi
    • G02B9/12G02B27/14G03B21/26
    • G02B13/22G02B13/04G02B9/12
    • An optical system of a projection display apparatus includes a projection lens assembly having a first lens group having a negative power, a second lens group having a negative power and a third lens group having a positive power, all arranged in this order from a side of a screen. An air space is provided between the first and second lens groups and also between the second and third lens groups. Each air space is longer than the entire length of the second lens group as taken along the optical axis of the assembly. The projection display apparatus has a light source for radiating rays of light including three primary color components, a color separating optical system for separating the radiation into three primary color components, first to third light valves each operable to receive the respective primary color components from the color separating optical system and to form an optical image having an optical characteristic varying as a function of a video signal, a color combining optical system for combining images of light emerging, respectively, from the light valves to provide a composite image. The projection lens assembly receives the image from the combining unit so as to project the optical images, formed on the respective light valves, onto a screen.
    • 投影型显示装置的光学系统包括投影透镜组件,该投影透镜组件具有负功率的第一透镜组,具有负光焦度的第二透镜组和具有正光焦度的第三透镜组,全部从 一个屏幕。 在第一透镜组和第二透镜组之间以及第二和第三透镜组之间设置空气空间。 每个空气空间比沿着组件的光轴截取的第二透镜组的整个长度长。 投影显示装置具有用于照射包括三原色成分的光线的光源,用于将辐射分离为三原色成分的分色光学系统,第一至第三光阀,其可操作以从所述基色接收各自的原色成分 并且形成具有作为视频信号的函数而变化的光学特性的光学图像;颜色组合光学系统,用于分别组合来自光阀的光的图像,以提供合成图像。 投影透镜组件从组合单元接收图像,以将形成在各个光阀上的光学图像投影到屏幕上。
    • 4. 发明授权
    • Imaging device and camera body
    • 成像设备和相机机身
    • US08199243B2
    • 2012-06-12
    • US12429453
    • 2009-04-24
    • Kyoichi MiyazakiKenichi HonjoYuichi KimuraShogo SasakiMasato Murayama
    • Kyoichi MiyazakiKenichi HonjoYuichi KimuraShogo SasakiMasato Murayama
    • G02B13/16
    • G03B13/00H04N5/2254H04N5/23248H04N5/335H04N5/3572
    • A digital camera comprises an interchangeable lens unit and a camera body. The interchangeable lens unit is provided to form an optical image of a subject. A flash memory is configured to hold a correction coefficient table used to electrically correct distortion produced by the optical system. The camera body has a CCD image sensor, a correction coefficient acquisition part, an operation part, and a correction processor. The correction coefficient acquisition part is configured to acquire the correction coefficient table held in the flash memory. The operation part is configured to produce correction data by performing an interpolation operation or an extrapolation operation on the information obtained from the correction coefficient table. The correction processor is configured to correct distortion in the image data on the basis of information produced by the operation part.
    • 数码相机包括可互换镜头单元和照相机主体。 提供可互换镜头单元以形成被摄体的光学图像。 闪存被配置为保持用于电校正由光学系统产生的失真的校正系数表。 相机机身具有CCD图像传感器,校正系数获取部分,操作部分和校正处理器。 校正系数获取部被配置为获取保存在闪速存储器中的校正系数表。 操作部被配置为通过对从校正系数表获得的信息进行插值运算或外推运算来生成校正数据。 校正处理器被配置为基于由操作部产生的信息来校正图像数据中的失真。
    • 5. 发明授权
    • Method and system for evaluating environmental impact occurring during an activity cycle
    • 评估在活动周期中发生的环境影响的方法和系统
    • US08078599B2
    • 2011-12-13
    • US11703822
    • 2007-02-08
    • Yuichi Kimura
    • Yuichi Kimura
    • G66F7/00
    • G06Q50/00G06Q10/06G06Q10/087
    • A system for evaluating an environmental impact during a life cycle of an activity includes a controlling unit, which controls the system with a plurality of data storage elements connected to the controlling unit. The plurality of data storage elements includes a first data storage element, a second data storage element, a third data storage element, and a fourth data storage element. The first data storage element stores a first data type for each item to be used for the activity as life cycle inventory data. The second data storage element stores a second data type for each item, which includes grade information and recycle ratio information. The third data storage element stores a third data type for each item as modified life cycle inventory data. The third data type is obtained by modifying the first data type with the second data type. The fourth data storage element stores impact-coefficient data for each item.
    • 一种用于在活动的生命周期中评估环境影响的系统包括控制单元,其控制具有连接到控制单元的多个数据存储元件的系统。 多个数据存储元件包括第一数据存储元件,第二数据存储元件,第三数据存储元件和第四数据存储元件。 第一数据存储元件将用于活动的每个项目的第一数据类型存储为生命周期清单数据。 第二数据存储元件存储每个项目的第二数据类型,其包括等级信息和再循环比率信息。 第三数据存储元件将每个项目的第三数据类型存储为修改的生命周期清单数据。 通过用第二数据类型修改第一数据类型来获得第三数据类型。 第四数据存储元件存储每个项目的影响系数数据。
    • 7. 发明申请
    • Imaging Device and Camera Body
    • 成像设备和相机机身
    • US20090268078A1
    • 2009-10-29
    • US12429453
    • 2009-04-24
    • Kyoichi MiyazakiKenichi HonjoYuichi KimuraShogo SasakiMasato Murayama
    • Kyoichi MiyazakiKenichi HonjoYuichi KimuraShogo SasakiMasato Murayama
    • G03B13/00H04N5/225
    • G03B13/00H04N5/2254H04N5/23248H04N5/335H04N5/3572
    • A digital camera comprises an interchangeable lens unit and a camera body. The interchangeable lens unit is provided to form an optical image of a subject. A flash memory is configured to hold a correction coefficient table used to electrically correct distortion produced by the optical system. The camera body has a CCD image sensor, a correction coefficient acquisition part, an operation part, and a correction processor. The correction coefficient acquisition part is configured to acquire the correction coefficient table held in the flash memory. The operation part is configured to produce correction data by performing an interpolation operation or an extrapolation operation on the information obtained from the correction coefficient table. The correction processor is configured to correct distortion in the image data on the basis of information produced by the operation part.
    • 数码相机包括可互换镜头单元和照相机主体。 提供可互换镜头单元以形成被摄体的光学图像。 闪存被配置为保持用于电校正由光学系统产生的失真的校正系数表。 相机机身具有CCD图像传感器,校正系数获取部分,操作部分和校正处理器。 校正系数获取部被配置为获取保存在闪速存储器中的校正系数表。 操作部被配置为通过对从校正系数表获得的信息进行插值运算或外推运算来生成校正数据。 校正处理器被配置为基于由操作部产生的信息来校正图像数据中的失真。