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    • 1. 发明授权
    • Sheet supply system
    • 供纸系统
    • US06299156B1
    • 2001-10-09
    • US09285646
    • 1999-04-05
    • Hiroshi KanedaMasao SuzukiHideaki Inoue
    • Hiroshi KanedaMasao SuzukiHideaki Inoue
    • B65H306
    • B65H1/14B65H2511/152B65H2511/20B65H2511/22B65H2220/01B65H2220/02
    • A sheet supply system includes a sheet support table which is movable up and down and on which a stack of a plurality of sheets are supported, a sheet feed-out roller which feeds out the sheets on the sheet support table one by one from the uppermost one, and a table drive mechanism which moves the sheet support table up and down relative to the sheet feed-out roller. A level sensor detects the level of the uppermost sheet on the sheet support table, and a sheet feed-out level at which the uppermost sheet is kept during sheet supply operation of the system is set by use of an entry key. A controller actuates the table drive mechanism to move upward the sheet support table when the level of the uppermost sheet on the sheet support table as detected by the level sensor lowers by a predetermined value from the sheet feed-out level and stops the table drive mechanism when the level of the uppermost sheet on the sheet support table as detected by the level sensor reaches the sheet feed-out level.
    • 片材供应系统包括可上下移动的片材支撑台,多个片材的堆叠被支撑在该片材支承台上;片材馈送辊,从最上面一张一张地将片材从片材支承台上进给 一个,以及一个桌子驱动机构,它使片材支撑台相对于送纸辊上下移动。 液位传感器检测纸张支撑台上最上面的纸张的水平,并且通过使用输入键来设置在纸张供给操作期间保持最上面的纸张的纸张送出水平。 当由液位传感器检测到的纸张支撑台上的最上面的纸张的水平从纸张送出水平下降预定值时,控制器致动桌子驱动机构向上移动纸张支撑台,并停止桌子驱动机构 当由液位传感器检测到的纸张支撑台上的最上面的纸张的水平达到纸张送出水平时。
    • 5. 发明申请
    • Projector, method of measuring distance to the projector, and method and program for acquiring inclination angles of projection screen
    • 投影仪,测量与投影仪距离的方法以及用于获取投影屏倾斜角度的方法和程序
    • US20080036995A1
    • 2008-02-14
    • US11891564
    • 2007-08-10
    • Hideaki Inoue
    • Hideaki Inoue
    • G01C3/08G01C1/00
    • G01C1/00G01C3/08
    • A light source 165 of a projection unit 16 AM modulates an electric current supplied to a built-in LED. The projection unit 16 projects the modulated light on a projection screen. A photoreceiver 171 receives, with a time lag, a reflected portion of the modulated light from the screen, which corresponds to a time required for the light to travel from its projection to its reception. A calculation unit 173 acquires a phase difference between the projected light and its reflection at a respective one of a plurality of points on the screen, acquires a distance from the projector to the respective one of the plurality of points on the screen, and then acquires an inclination angle of the screen. Because the distance from the projector to a respective one of the plurality of points on the screen is acquired based on the corresponding phase difference, the measurement accuracy is improved compared to the triangular distance measuring method. The projector requires no distance measurement-only light source, thereby reducing the size of the projector.
    • 投影单元16AM的光源165调制供给内置LED的电流。 投影单元16将调制光投射在投影屏幕上。 光接收器171在时间上接收来自屏幕的调制光的反射部分,其对应于光从其投影到其接收所需的时间。 计算单元173获取投影光与其在屏幕上的多个点中的各个点上的反射之间的相位差,获取从投影仪到屏幕上的多个点中的相应一个点的距离,然后获取 屏幕的倾斜角度。 由于基于对应的相位差获取投影仪到屏幕上的多个点中的相应一个点的距离,所以与三角距离测量方法相比,提高了测量精度。 投影机不需要距离测量光源,从而减小投影机的尺寸。
    • 7. 发明授权
    • Pointed position detection device and pointed position detection method
    • 指向位置检测装置和指向位置检测方法
    • US07180510B2
    • 2007-02-20
    • US10651655
    • 2003-08-28
    • Hideaki InoueKeiichi Kobayashi
    • Hideaki InoueKeiichi Kobayashi
    • G09G5/00G09G1/00G09G3/28G09G3/22H04N9/12
    • G06F3/0386
    • A field sequential color projector includes an area sensor unit having an area sensor for photographing a screen, and an optical filter for permitting only a red light having the same color as a laser beam from a laser pointer to be input to the area sensor, and a color period/timing extraction unit which extracts timings for projecting red, green, and blue images. When a projection timing for a red image arrives while an image is projected, an MPU (Micro Processor Unit) receives a light of an image projected on the screen at that time to acquire image information, and detects a position pointed by the laser beam based on the acquired image information. Even if there exists a portion having the same color as the laser beam in the projected image, a pointed position detection device accurately detects the position irradiated by a pointing light of the laser pointer.
    • 现场顺序彩色投影仪包括具有用于拍摄屏幕的区域传感器的区域传感器单元和仅允许具有与来自激光指示器的激光束相同颜色的红光输入到区域传感器的滤光器,以及 彩色周期/定时提取单元,其提取用于投影红色,绿色和蓝色图像的定时。 当投影图像到达红色图像的投影定时时,MPU(微处理器单元)接收当时投影在屏幕上的图像的光以获取图像信息,并且基于激光束指向的位置 对所获取的图像信息。 即使存在与投影图像中的激光束相同颜色的部分,指尖位置检测装置也可以精确地检测由激光指示器的指示灯照射的位置。