| 发明名称 |
POINTER POSITION RECOGNITION AND RE-PROJECTION METHOD IN PRESENTATION |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To make a position indicated by a pointer easily viewable by expressing it from the projector side when explaining by using a projector. <P>SOLUTION: An optical pointer pointed on a projection screen is recognized by a camera provided to the projector and marked by means of color or symbol, etc. for making viewers clearly identify the recognized position on the projection screen. <P>COPYRIGHT: (C)2004,JPO</p> |
| 申请公布号 |
JP2004118807(A) |
申请公布日期 |
2004.04.15 |
| 申请号 |
JP20020311879 |
申请日期 |
2002.09.20 |
| 申请人 |
M SOFT:KK |
发明人 |
NAKAMURA YOSHIHIDE;HOSAKA MASAO |
| 分类号 |
G06F3/041;G06F3/033;G09G5/00;(IPC1-7):G06F3/033 |
主分类号 |
G06F3/041 |
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