发明名称 |
Scanner navigation system with variable aperture |
摘要 |
A portable scanner for document imaging includes at least one position detector. The position detector has an optical detector and an aperture assembly adjacent the optical detector. The aperture assembly has a first aperture size and a second aperture size. The aperture assembly is adjustable between the first aperture size and the second aperture size.
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申请公布号 |
US6429422(B1) |
申请公布日期 |
2002.08.06 |
申请号 |
US19990439574 |
申请日期 |
1999.11.12 |
申请人 |
HEWLETT-PACKARD COMPANY |
发明人 |
BOHN DAVID D |
分类号 |
G03B9/04;G02B13/24;G06T1/00;H04N1/047;H04N1/107;(IPC1-7):H01J3/14 |
主分类号 |
G03B9/04 |
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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