发明名称 |
Image sensing operator input device |
摘要 |
A computer input device detects images on a surface. The computer input device generates input information indicative of a change event when the device switches from reading one predetermined pattern to reading another predetermined pattern. The present invention can also be directed to a method of using the input device or printable medium with the predetermined patterns disposed thereon. |
申请公布号 |
US6303924(B1) |
申请公布日期 |
2001.10.16 |
申请号 |
US19980217403 |
申请日期 |
1998.12.21 |
申请人 |
MICROSOFT CORPORATION |
发明人 |
ADAN MANOLITO E.;LIPSCOMB TERRY M. |
分类号 |
G06F3/03;G06F3/033;G06F3/038;G06F3/039;(IPC1-7):G04G5/08 |
主分类号 |
G06F3/03 |
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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