发明授权
US06392674B1 Pointer mark display controller, display control method, display control system, and its storage medium
失效
指示标记显示控制器，显示控制方式，显示控制系统及其存储介质
- 专利标题： Pointer mark display controller, display control method, display control system, and its storage medium
- 专利标题（中）： 指示标记显示控制器，显示控制方式，显示控制系统及其存储介质
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申请号： US09362127申请日： 1999-07-28
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公开(公告)号： US06392674B1公开(公告)日： 2002-05-21
- 发明人: Yukio Hiraki , Kohei Inamura , Izumi Kanai
- 申请人： Yukio Hiraki , Kohei Inamura , Izumi Kanai
- 优先权： JP10-226593 19980728; JP11-201431 19990715
- 主分类号： G09G500
- IPC分类号： G09G500
摘要：
A method and an apparatus for displaying a pointer mark preferable for an application to a presentation system and the like. With a reference point on a display screen being preset, when an arbitrary point is pointed on the display screen, a pointer mark is generated in a direction from the preset reference point to a pointing point related to the pointing and an image (including the pointer mark) displayed on this display screen is transferred to a projector so as to be projected on a large-sized screen.
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