发明名称 |
COORDINATE INPUT DEVICE AND METHOD |
摘要 |
There is provided a coordinate input device capable of interpolation of sampling data more faithful to input data with less input data and in simpler computing. The input data (coordinate information indicative of an input trace) are sampled both with a predetermined cycle (Tn) and at the end of a predetermined time interval after the sampling of the cycle Tn was done. As a result of two different sampling, not only the coordinate point by the sampling of cycle Tn but also information indicative of a tangent vector at each coordinate point on the input trace can be obtained. The coordinate point and the associated tangent vector information are thus output, so that a trace more faithful to the input trace can be obtained with less coordinate points. <IMAGE> |
申请公布号 |
KR100269680(B1) |
申请公布日期 |
2000.10.16 |
申请号 |
KR19960037479 |
申请日期 |
1996.08.31 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
TANAKA, ATSUSHI;TATSUMI, EISAKU;MORI, SHIGEKI;NAGASAKI, KATSUHIKO |
分类号 |
G06F3/033;G06F3/048;G06F3/0488;(IPC1-7):G06F3/033 |
主分类号 |
G06F3/033 |
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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