| 发明名称 |
GRAPHIC DRAWING SYSTEM |
| 摘要 |
A graphic drawing system of the type comprising a drawing surface; a stylus which is displaceable on the surface in order to simulate tracings; and means determining the coordinates of the stylus in the plane of the surface with respect to a reference. The system has means for varying the thickness of lines drawn by the stylus.
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| 申请公布号 |
CA2103262(C) |
申请公布日期 |
1999.04.27 |
| 申请号 |
CA19922103262 |
申请日期 |
1992.05.18 |
| 申请人 |
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发明人 |
D'AVIAU DE PIOLANT, JEAN-LOUIS |
| 分类号 |
G06F3/041;G06F3/033;G06F3/043;G06F3/048;(IPC1-7):G06K11/14;G09G5/00 |
主分类号 |
G06F3/041 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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