发明授权
- 专利标题: Optical encoder with diffractive encoder member
- 专利标题(中): 具有衍射编码器构件的光学编码器
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申请号: US11969866申请日: 2008-01-04
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公开(公告)号: US07566863B2公开(公告)日: 2009-07-28
- 发明人: Christopher C. Chang , Bernard C. Kress
- 申请人: Christopher C. Chang , Bernard C. Kress
- 代理机构: Wilson & Ham
- 代理商 Thomas H. Ham
- 主分类号: G01D5/34
- IPC分类号: G01D5/34
摘要:
An optical encoder uses an encoder member with a digital diffractive track to optically manipulate an incident beam of light into manipulated beams of light, which are detected as spots of light that represent a digital absolute position value of the encoder member.
公开/授权文献
- US20080100849A1 OPTICAL ENCODER WITH DIFFRACTIVE ENCODER MEMBER 公开/授权日:2008-05-01
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