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.
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
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