发明授权
US06208129B1 Optical method and arrangement for measuring a periodic value having at least one frequency component
失效
用于测量具有至少一个频率分量的周期值的光学方法和装置
- 专利标题: Optical method and arrangement for measuring a periodic value having at least one frequency component
- 专利标题(中): 用于测量具有至少一个频率分量的周期值的光学方法和装置
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申请号: US09077432申请日: 1998-08-18
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公开(公告)号: US06208129B1公开(公告)日: 2001-03-27
- 发明人: Michael Willsch , Thomas Bosselmann , Peter Menke , Stefan Hain
- 申请人: Michael Willsch , Thomas Bosselmann , Peter Menke , Stefan Hain
- 优先权: DE19547021 19951215
- 主分类号: G01R3301
- IPC分类号: G01R3301
摘要:
Polarized measuring light propagates through a sensor device and is then split into two differently linearly polarized partial light signals. An intensity-normalized measuring signal is derived from the two partial light signals and their direct components.
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