利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

12 条记录 (耗时 0.01 秒)

    ROBUST OPTICAL TOUCH-SCREEN SYSTEMS AND METHODS USING A PLANAR TRANSPARENT SHEET
    6.
    发明公开
    ROBUST OPTICAL TOUCH-SCREEN SYSTEMS AND METHODS USING A PLANAR TRANSPARENT SHEET 审中-公开
    鲁棒光学触摸屏系统和方法使用平面透明膜

    公开(公告)号：EP2786233A1

    公开(公告)日：2014-10-08

    申请号：EP12808556.0

    申请日：2012-11-20

    申请人： Corning Incorporated

    发明人： KING, Jeffrey Stapleton ,  PIKULA, Dragan ,  WALKER, Richard Clayton

    IPC分类号： G06F3/042

    CPC分类号： G06F3/0421 ,  G06F3/0428 ,  G06F2203/04104 ,  G06F2203/04109

    摘要： An optical touch screen that utilizes a planar transparent sheet and that is configured to determine the position of a touch event on the transparent sheet is disclosed. Light-source elements and light-sensing elements are operably disposed at the transparent sheet perimeter. Light is detected over lines-of-sight between the light-source elements and the light-sensing elements. Attenuated lines-of-sight due to a touch event are determined. Polygons are established by overlapping triangles defined by the limiting lines of sight for each light-sensing element. Polygons with attenuations below the attenuation threshold are eliminated. The centers of the remaining polygons are then determined to establish the locations of the touch events. The systems and methods provide robust detection of multiple touch events.

    ALIGNMENT METHOD IN WAVELENGTH-CONVERTED, WAVELENGTH-MODULATED SEMICONDUCTOR LASERS
    7.
    发明公开
    ALIGNMENT METHOD IN WAVELENGTH-CONVERTED, WAVELENGTH-MODULATED SEMICONDUCTOR LASERS 有权
    IN波长注册程序转换和调制的波长的半导体激光器

    公开(公告)号：EP2179481A1

    公开(公告)日：2010-04-28

    申请号：EP08780264.1

    申请日：2008-07-18

    申请人： Corning Incorporated

    发明人： ALMORIC, Etienne ,  BHATIA, Vikram ,  GOLLIER, Jacques ,  PIKULA, Dragan ,  RICKETTS, Daniel O

    IPC分类号： H01S5/06

    CPC分类号： H01S5/0622 ,  G02F1/377 ,  G02F2001/3546 ,  H01S5/0687

    摘要： Methods of controlling semiconductor lasers are provided where the semiconductor laser generates a wavelength-modulated output beam λMOD that is directed towards the input face of a wavelength conversion device. The intensity of a wavelength-converted output λCONV of the device is monitored as the output beam of the laser is modulated and as the position of the modulated output beam λMOD on the input face of the wavelength conversion device is varied. A maximum value of the monitored intensity is correlated with optimum coordinates representing the position of the modulated output beam λMOD on the input face of the wavelength conversion device. The optical package is operated in the data projection mode by directing an intensity-modulated laser beam from the semiconductor laser to the wavelength conversion device using the optimum positional coordinates. Additional embodiments are disclosed and claimed. Laser controllers and projections systems are also provided.