发明名称 |
Normally dark Y-branch digital optical switches and variable optical attentuators |
摘要 |
The present invention is directed to Y-branch digital optical switching and optical attenuator devices, which enhance the security of optical communications channels in the event of an electrical power loss.
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申请公布号 |
US2006045424(A1) |
申请公布日期 |
2006.03.02 |
申请号 |
US20040933597 |
申请日期 |
2004.09.02 |
申请人 |
ELDADA LOUAY;FUJITA JUNICHIRO |
发明人 |
ELDADA LOUAY;FUJITA JUNICHIRO |
分类号 |
G02B6/26;G02B6/42 |
主分类号 |
G02B6/26 |
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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