发明名称 Optical communication device
摘要 The detection light reflection function is given to PLC type LD, PD or LD/PD modules having light guides and optoelectronic chips (LD, LED, PD or APD) by forming a grating on the light guides which selectively reflects only the detection light.
申请公布号 US6975812(B1) 申请公布日期 2005.12.13
申请号 US20010773546 申请日期 2001.02.02
申请人 SUMITOMO ELECTRIC INDUSTRIES, LTD. 发明人 KUHARA YOSHIKI;YAMABAYASHI NAOYUKI
分类号 G02B6/42;G02B6/02;G02B6/10;G02B6/122;H04B10/08;H04B10/12;H04B10/13;H04B10/135;H04B10/14;(IPC1-7):H04B10/08 主分类号 G02B6/42
代理机构 代理人
主权项
地址