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    • 1. 发明授权
    • Printer having head release mechanism responsive to space commanding
codes
    • 具有响应于空间命令代码的头释放机构的打印机
    • US4919553A
    • 1990-04-24
    • US194279
    • 1988-05-16
    • Hideo UenoSatoshi ShibataKeiko Yamada
    • Hideo UenoSatoshi ShibataKeiko Yamada
    • B41J2/325B41J25/304B41J25/316B41J33/38B41J33/388
    • B41J25/316B41J33/388
    • A printer wherein a print head is movable by a head release mechanism, between a printing position and a release position, and a print ribbon is fed only when the print head is in the printing position. The printer has a space commanding member such as a space key adapted to feed the print head to provide a single space, when the space commanding member is momentarily operated, and feed the print head continuously to provide successive spaces while the space commanding member is held operated. The printer has a head-release control device which inhibits the head release mechanism from operating to move the print head to the release position if the space commanding member is momentarily operated, and activates the head release mechanism to move the print head to the release position if the space commanding member is operated continuously.
    • 一种打印机,其中打印头可通过头部释放机构在打印位置和释放位置之间移动,并且仅当打印头处于打印位置时才进给打印色带。 打印机具有空间指令构件,例如空间键,其适于在空间指令构件被暂时操作时供给打印头以提供单个空间,并且在空间指令构件被保持时连续地供给打印头以提供连续的空间 操作。 打印机具有头释放控制装置,如果空间指令构件暂时操作,则禁止头释放机构操作以将打印头移动到释放位置,并且启动头释放机构以将打印头移动到释放位置 如果空间指挥成员持续运行。
    • 6. 发明授权
    • Laser projector
    • 激光投影机
    • US08159735B2
    • 2012-04-17
    • US13058634
    • 2009-08-19
    • Kenji KonnoKeiko Yamada
    • Kenji KonnoKeiko Yamada
    • G02B26/08
    • G02B26/101H04N9/3129
    • A two-dimensional image is displayed on a screen (SC) by scanning the screen (SC) two-dimensionally with light beams from a laser light source (1) that are deflected to orthogonally-intersecting first and second scanning directions by means of a mirror (10) in a deflection apparatus (3). The deflection apparatus (3) is arranged to incline obliquely in the second scanning direction (e.g. vertical direction) lower in a scanning speed than the first scanning direction (e.g. horizontal direction), and performs an oblique projection onto the screen (SC). Assuming a direction in which the incidence angle of a light beam deflected by the deflection apparatus (3) and entering the screen (SC) increases in the second scanning direction is positive side, the light beam from the laser light source (1) impinges on the deflection apparatus (3) from the negative side in the second scanning direction, and the normal to the mirror (10) in the deflection apparatus (3) in a state where the center of the screen is displayed inclines to the negative side in the second scanning direction with respect to the normal to the screen (SC).
    • 通过用来自激光光源(1)的光束二维地扫描屏幕(SC),在屏幕(SC)上显示二维图像,激光光源(1)被偏转到正交相交的第一和第二扫描方向 在偏转装置(3)中的反射镜(10)。 偏转装置(3)被布置成以与第一扫描方向(例如水平方向)相等的扫描速度在第二扫描方向(例如垂直方向)上倾斜倾斜,并且对屏幕(SC)进行倾斜投影。 假设由偏转装置(3)偏转并进入屏幕(SC)的光束的入射角在第二扫描方向上增加的方向为正侧,来自激光光源(1)的光束入射 偏转装置(3)在第二扫描方向的负侧和偏转装置(3)中的反射镜(10)的垂直方向,在显示屏的中心的状态下,在偏转装置 相对于屏幕(SC)的法线的第二扫描方向。
    • 7. 发明申请
    • SCANNING PROJECTION DEVICE
    • 扫描投影设备
    • US20100253991A1
    • 2010-10-07
    • US12679111
    • 2008-09-18
    • Keiko Yamada
    • Keiko Yamada
    • G02B26/10
    • G02B26/101G02B17/023G02B17/06G02B27/0031G03B21/005
    • Scanning projection device PJ two-dimensionally deflects a beam emitted from light source unit 1 and performs scanning with deflection element 3, and projects the beam obliquely on screen SC with projection optical system 7. By defining a range of an incident angle to screen SC properly, projection optical system 7 does not disturb an observation of images, and a correction of a spot shape does not become difficult. Further, by defining a ratio of scan-angle magnifications between in the vertical direction and the horizontal direction properly, difference in resolution between in the vertical direction and the horizontal direction can be reduced, and a high-quality and excellent image can be displayed, even when a beam obliquely projected.
    • 扫描投影装置PJ对从光源单元1发射的光束进行二维偏转,并用偏转元件3进行扫描,并用投影光学系统7将光束倾斜地投射到屏幕SC上。通过将屏幕SC的入射角度范围正确地定义 投影光学系统7不会影响图像的观察,并且斑点形状的校正不会变得困难。 此外,通过在垂直方向和水平方向之间适当地限定扫描角倍率的比例,可以减小垂直方向和水平方向之间的分辨率差,并且可以显示高质量和优异的图像, 即使光束倾斜投影。
    • 10. 发明申请
    • OBLIQUE PROJECTION OPTICAL SYSTEM
    • OBIIQUE投影光学系统
    • US20090168031A1
    • 2009-07-02
    • US12341239
    • 2008-12-22
    • Masayuki ImaokaKeiko Yamada
    • Masayuki ImaokaKeiko Yamada
    • G03B21/28
    • G03B21/28G02B13/16G02B17/0816G02B17/0852
    • An oblique projection optical system enlarges an image formed on a display device surface, and obliquely projects the enlarged image on a screen surface. The oblique projection optical system has, in the order from a reduction side: a refraction optical portion having a positive optical power, a concave reflection surface having a positive optical power, and a convex reflection surface having a negative optical power. The refraction optical portion includes a rotationally symmetric coaxial refraction group. An intermediate image of the image formed on the display device surface is formed between the refraction optical portion and the concave reflection surface. An aperture stop image is formed between the concave reflection surface and the convex reflection surface. The concave reflection surface and the convex reflection surface fulfill prescribed conditional formulae.
    • 倾斜投影光学系统放大在显示装置表面上形成的图像,并且将放大图像在屏幕表面上倾斜投影。 倾斜投影光学系统从具有正光焦度的折射光学部分,具有正光焦度的凹面反射面和具有负光焦度的凸面反射面的衰减侧起按顺序排列。 折射光学部分包括旋转对称的同轴折射组。 形成在显示装置表面上的图像的中间图像形成在折射光学部分和凹面反射表面之间。 在凹面反射面和凸面反射面之间形成孔径光阑图像。 凹面反射面和凸面反射面满足规定的条件式。