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1.发明公开Apparatus for determining the position of a light pen on a display device 失效Vorrichtung zur Bestimmung der Position eines Lichtgriffels auf einemAnzeigegerät。
公开(公告)号：EP0381426A2
公开(公告)日：1990-08-08
申请号：EP90300924.9
申请日：1990-01-30
发明人： Furuta, Minoru , Furuya, Manabu
CPC分类号： G06F3/0383
摘要： The present invention relates to a display device comprising a display surface, a light pen, means (1) for defining a plurality of parallel scan lines extending across the display surface, means (1) for defining a plurality of character boxes located in sequence along each of the scan lines, means (1) for displaying images on the display surface by selectively forming light spots in the character boxes in the scan lines, and means (1) for displaying a light pen detection line of light spots on the display surface for use in detecting the position of the light pen relative to the display surface.
According to the invention the display device is characterised in that the light pen detection line of light spots comprises a first set of spots forming a first detection field located on a first scan line in a first set of character boxes (0,1,2), and a second set of spots forming a second detection field located on a second scan line in a second set of character boxes (4,5).摘要翻译： 显示装置技术领域本发明涉及一种显示装置，包括显示表面，光笔，用于限定跨越显示表面延伸的多条平行扫描线的装置（1），用于定义多个沿着 每个扫描线，用于通过在扫描线中的字符框中选择性地形成光点，在显示表面上显示图像的装置（1），以及用于在显示表面上显示光点的光笔检测线的装置 用于检测光笔相对于显示表面的位置。 根据本发明，显示装置的特征在于，光点的光笔检测线包括第一组点，其形成位于第一组字符框（0,1,2）中的第一扫描线上的第一检测区域， ，以及第二组点，形成位于第二组字符盒（4,5）中的第二扫描线上的第二检测区域。
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2.发明公开
公开(公告)号：EP0381426A3
公开(公告)日：1992-01-08
申请号：EP90300924.9
申请日：1990-01-30
发明人： Furuta, Minoru , Furuya, Manabu
CPC分类号： G06F3/0383
摘要： The present invention relates to a display device comprising a display surface, a light pen, means (1) for defining a plurality of parallel scan lines extending across the display surface, means (1) for defining a plurality of character boxes located in sequence along each of the scan lines, means (1) for displaying images on the display surface by selectively forming light spots in the character boxes in the scan lines, and means (1) for displaying a light pen detection line of light spots on the display surface for use in detecting the position of the light pen relative to the display surface. According to the invention the display device is characterised in that the light pen detection line of light spots comprises a first set of spots forming a first detection field located on a first scan line in a first set of character boxes (0,1,2), and a second set of spots forming a second detection field located on a second scan line in a second set of character boxes (4,5).
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