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    • 42. 发明授权
    • Virtual screen display device
    • 虚拟屏幕显示设备
    • US06545803B1
    • 2003-04-08
    • US09850120
    • 2001-05-07
    • Nobuo SakumaMakoto ObuAkira Momose
    • Nobuo SakumaMakoto ObuAkira Momose
    • G02B2724
    • G02B27/0101G02B5/30G02B27/0172G02B2027/0118G02B2027/0132G02B2027/0136
    • A virtual screen display apparatus includes a display arranged to generate display information and having an effective diagonal length DLC and an optical projecting element arranged to receive the display information from the display and to project and form an image, the optical projecting element having an effective F number which is defined by Fe=S1/PuD wherein S1 is a distance between the display and a principal point of the optical projecting element and PuD is a diameter of an exit pupil of the optical projecting element. A field optical element arranged to form an in-space image in a position of a virtual screen and to direct a divergent light flux from the virtual screen to a view region where the image is viewable to an observer. A diameter of a range in which the image is viewable to the observer in the view region is ERD and a diagonal length of the virtual screen is VSD and a distance between the virtual screen and the view region is VSP, and the following equation is satisfied: VSD/VSP=DLC/(ERD×Fe).
    • 虚拟屏幕显示装置包括:显示器,其被布置为产生显示信息并具有有效的对角线长度DLC;以及光学投影元件,其布置成从显示器接收显示信息并投影和形成图像,所述光学投影元件具有有效的F 数字由Fe = S1 / PuD定义,其中S1是显示器与光学投影元件的主点之间的距离,PuD是光学投影元件的出射光瞳的直径。 场光学元件,布置成在虚拟屏幕的位置上形成空间内图像,并将发散光束从虚拟屏幕引导到图像可观看者的观看区域。 图像在视野区域中对观察者可见的范围的直径为ERD,虚拟屏幕的对角线长度为VSD,虚拟屏幕与视野区域之间的距离为VSP,满足以下等式 :
    • 43. 发明授权
    • Image forming apparatus using a developing liquid, developing device therefor and program recording medium
    • 使用显影液的图像形成装置,其显影装置和程序记录介质
    • US06501932B2
    • 2002-12-31
    • US10078351
    • 2002-02-21
    • Makoto ObuNoriyasu TakeuchiTsutomu SasakiMie Yoshino
    • Makoto ObuNoriyasu TakeuchiTsutomu SasakiMie Yoshino
    • G03G1510
    • G03G15/104
    • An image forming apparatus and a developing device that can deposit a developing liquid on a liquid carrier in a form of a thin layer, causing the thin layer to contact an image carrier of the image forming apparatus. A liquid carrier is in contact with the image carrier to carry the thin layer of the developing liquid to the image carrier. A thin layer contact member contacts the thin layer formed on the liquid carrier at a position upstream of where the liquid carrier and the image carrier contact each other in a direction in which the liquid carrier is movable, to apply a shearing force to the thin layer. Further, the thin layer contact member includes a rotary member with a movable surface that rotates, at a position where the rotary member faces the liquid carrier, in a rotating direction opposite to the rotation direction in which the liquid carrier is movable.
    • 一种图像形成装置和显影装置,其可以以薄层的形式将显影液沉积在液体载体上,使薄层与图像形成装置的图像载体接触。 液体载体与图像载体接触以将显影液体的薄层携带到图像载体。 薄层接触构件在液体载体和图像载体在液体载体可移动的方向上相互接触的位置上接触形成在液体载体上的薄层,以向薄层施加剪切力 。 此外,薄层接触构件包括具有可移动表面的旋转构件,该可移动表面在旋转构件面向液体载体的位置处沿与液体载体可移动的旋转方向相反的旋转方向旋转。
    • 45. 发明授权
    • Virtual screen display device
    • 虚拟屏幕显示设备
    • US06292305B1
    • 2001-09-18
    • US09138954
    • 1998-08-24
    • Nobuo SakumaMakoto ObuAkira Momose
    • Nobuo SakumaMakoto ObuAkira Momose
    • G02B300
    • G02B27/0101G02B5/30G02B27/0172G02B2027/0118G02B2027/0132G02B2027/0136
    • A virtual screen display apparatus includes a display arranged to generate display information and having an effective diagonal length DLC and an optical projecting element arranged to receive the display information from the display and to project and form an image, the optical projecting element having an effective F number which is defined by Fe=S1/PuD wherein S1 is a distance between the display and a principal point of the optical projecting element and PuD is a diameter of an exit pupil of the optical projecting element. A field optical element arranged to form an in-space image in a position of a virtual screen and to direct a divergent light flux from the virtual screen to a view region where the image is viewable to an observer. A diameter of a range in which the image is viewable to the observer in the view region is ERD and a diagonal length of the virtual screen is VSD and a distance between the virtual screen and the view region is VSP, and the following equation is satisfied: VSD/VSP=DLC/(ERD×Fe).
    • 虚拟屏幕显示装置包括:显示器,其被布置为产生显示信息并具有有效的对角线长度DLC;以及光学投影元件,其布置成从显示器接收显示信息并投影和形成图像,所述光学投影元件具有有效的F 数字由Fe = S1 / PuD定义,其中S1是显示器与光学投影元件的主点之间的距离,PuD是光学投影元件的出射光瞳的直径。 场光学元件,布置成在虚拟屏幕的位置上形成空间内图像,并将发散光束从虚拟屏幕引导到图像可观看者的观看区域。 图像在视野区域中对观察者可见的范围的直径为ERD,虚拟屏幕的对角线长度为VSD,虚拟屏幕与视野区域之间的距离为VSP,满足以下等式 :