发明名称 POSITION DETECTION DEVICE, ELECTRONIC APPARATUS, AND DISPLAY DEVICE
摘要 A display device includes a screen on which an image is displayed, and a position detection device including a light emitting section adapted to emit an irradiation light beam along the screen, a light receiving section adapted to receive a reflected light beam caused by an object reflecting the irradiation light beam, and a detection section adapted to detect position information of the object based on a light reception result of the light receiving section, wherein the position detection device has detection accuracy of the position information of the object varying in accordance with a position of the object in a direction intersecting the screen.
申请公布号 US2011304591(A1) 申请公布日期 2011.12.15
申请号 US201113152722 申请日期 2011.06.03
申请人 SEIKO EPSON CORPORATION 发明人 TAKAHASHI MASAKI;ONISHI YASUNORI
分类号 G06F3/042;H01J40/14 主分类号 G06F3/042
代理机构 代理人
主权项
地址