发明名称 |
Optical pattern for an optical encoder |
摘要 |
An optical encoder includes a planar surface comprising an insulator material. An optical encoder pattern partially occupies the planar surface. The encoder pattern has at least one continuous geometry and is made from a conductive material.
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申请公布号 |
US6822220(B2) |
申请公布日期 |
2004.11.23 |
申请号 |
US20020176849 |
申请日期 |
2002.06.20 |
申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
LESNIAK CHRISTOPHER M. |
分类号 |
G01D5/347;(IPC1-7):H01J3/14 |
主分类号 |
G01D5/347 |
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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