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    • 4. 发明授权
    • Projection type display system having position detection function
    • 具有位置检测功能的投影型显示系统
    • US08748820B2
    • 2014-06-10
    • US12894637
    • 2010-09-30
    • Masaki TakahashiKogo Endo
    • Masaki TakahashiKogo Endo
    • G01J1/00
    • G06F3/0425
    • A projection type display system having a position detection function which projects an image from an image projection device and optically detects a position of a target object between a surface on which the image is projected and the image projection device, includes: a position detection light source unit disposed on the image projection device to emit position detection light toward the target object; alight detector which detects the position detection light reflected by the target object in a detection area; and a position detection unit which detects the position of the target object based on a light reception result obtained by the light detector, wherein an intensity distribution of the position detection light is produced in an area to which the position detection light is supplied.
    • 一种具有位置检测功能的投影型显示系统,其特征在于具有:位置检测用光源,其投影来自图像投影装置的图像,并在所述图像投影装置的表面上光学地检测出被摄体的位置; 设置在所述图像投影装置上以朝向所述目标物体发射位置检测光的单元; 检测器,其检测由检测区域中的目标物体反射的位置检测光; 以及位置检测单元,其基于由所述光检测器获得的光接收结果来检测所述目标对象的位置,其中,在提供所述位置检测光的区域中产生所述位置检测光的强度分布。
    • 10. 发明申请
    • PROJECTION TYPE DISPLAY SYSTEM HAVING POSITION DETECTION FUNCTION
    • 具有位置检测功能的投影型显示系统
    • US20110080575A1
    • 2011-04-07
    • US12894637
    • 2010-09-30
    • Masaki TAKAHASHIKogo ENDO
    • Masaki TAKAHASHIKogo ENDO
    • G01B11/14G01J3/00
    • G06F3/0425
    • A projection type display system having a position detection function which projects an image from an image projection device and optically detects a position of a target object between a surface on which the image is projected and the image projection device, includes: a position detection light source unit disposed on the image projection device to emit position detection light toward the target object; alight detector which detects the position detection light reflected by the target object in a detection area; and a position detection unit which detects the position of the target object based on a light reception result obtained by the light detector, wherein an intensity distribution of the position detection light is produced in an area to which the position detection light is supplied.
    • 一种具有位置检测功能的投影型显示系统,其特征在于具有:位置检测用光源,其投影来自图像投影装置的图像,并在所述图像投影装置的表面上光学地检测出被摄体的位置; 设置在所述图像投影装置上以朝向所述目标物体发射位置检测光的单元; 检测器,其检测由检测区域中的目标物体反射的位置检测光; 以及位置检测单元,其基于由所述光检测器获得的光接收结果来检测所述目标对象的位置,其中,在提供所述位置检测光的区域中产生所述位置检测光的强度分布。