发明名称 |
Galvanometric optical scanning system having synchronization photodetectors |
摘要 |
A galvanometric optical scanning system is disclosed. In order to compensate errors in phase, zero drift etc., at least two synchronization photodetector means are provided in an optical path of scanning beam of light. The pulses produced by the photodetector means are processed to generate correction signals for various commpensations.
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申请公布号 |
US4800271(A) |
申请公布日期 |
1989.01.24 |
申请号 |
US19870065386 |
申请日期 |
1987.06.23 |
申请人 |
CANADIAN PATENTS & DEVELOPMENT LTD. |
发明人 |
BLAIS, FRANCOIS |
分类号 |
H04N1/053;H04N1/113;(IPC1-7):H01J3/14 |
主分类号 |
H04N1/053 |
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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