专利检索 ap:("Wataru Katurashima" OR "Yoshinobu Kitayama" OR "Hiroaki Sano" OR "Hiroki Ishikawa" OR "Shigeru Tanaka") AND inv:"Wataru Katurashima" 第 1 页

1.

发明授权
Optical fiber cable including plural multifiber optical units 失效
标题翻译：光纤光缆包括多光纤光纤单元

公开(公告)号：US5233678A

公开(公告)日：1993-08-03

申请号：US892944

申请日：1992-06-03

申请人： Wataru Katurashima , Yoshinobu Kitayama , Hiroaki Sano , Hiroki Ishikawa , Shigeru Tanaka

发明人： Wataru Katurashima , Yoshinobu Kitayama , Hiroaki Sano , Hiroki Ishikawa , Shigeru Tanaka

IPC分类号： G02B6/44

CPC分类号： G02B6/4403 , G02B6/4408 , G02B6/4429

摘要： Provided is an optical cable using multifiber optical units. Each of said multifiber optical units has a laminated body of a tape-type optical unit accommodated in a groove formed in a rod-like member. The tape-type optical unit is constituted by a plurality of optical fibers arranged in one row and coated collectively. The improvement is that the distance between the center of the rod-like member and a bottom portion of said groove is made to be equal to or larger than one half of the height of the laminated body to thereby reduce side pressure exerted on the tape type-optical units at the groove bottom portion thereof.