发明名称 |
Optical signal reading apparatus using light leaked out of light transmission path |
摘要 |
An index-of-refraction modulating structure is formed so that an optical signal propagating through an optical fiber slightly leaks. The structure is disposed close to a photoelectric converting element for reading the optical signal.
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申请公布号 |
US2002044741(A1) |
申请公布日期 |
2002.04.18 |
申请号 |
US20010947325 |
申请日期 |
2001.09.05 |
申请人 |
TAKEUCHI YOSHINORI;WAKABAYASHI SHINICHI |
发明人 |
TAKEUCHI YOSHINORI;WAKABAYASHI SHINICHI |
分类号 |
G02B6/28;G02B6/34;G02B6/42;(IPC1-7):G02B6/34 |
主分类号 |
G02B6/28 |
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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