| 发明名称 |
OPTICAL TRASMISSION DEVICE |
| 摘要 |
PURPOSE:To provide an optical transmission device of high coupling efficiency and low branching efficiency by accomplishing the coupling operation of two optical transmission passages through an insert having a smaller refractive index than the passages. |
| 申请公布号 |
JPS5413347(A) |
申请公布日期 |
1979.01.31 |
| 申请号 |
JP19770078745 |
申请日期 |
1977.06.30 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
HATSUTORI KATSUJI;SERIZAWA HIROMOTO;TANAKA TSUTOMU;TSUJIMOTO YOSHINOBU;FUKAI SHIYOUICHI |
| 分类号 |
H04B10/29;G02B6/28;G02B27/10;H04B10/00;H04B10/2507;H04B10/27 |
主分类号 |
H04B10/29 |
| 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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