公开(公告)号：JPS5727216A

公开(公告)日：1982-02-13

申请号：JP9099481

申请日：1981-06-15

Applicant: Cselt Centro Studi Lab Telecom

Inventor： MAURO PERINO

IPC: G02B6/32 ,  G02B6/42 ,  H01L31/02 ,  H01L31/0232 ,  H01L31/12 ,  H01L33/00 ,  H04B10/24

CPC classification number: H01L31/0232 ,  G02B6/42 ,  G02B6/4206 ,  G02B6/4246 ,  H01L31/12 ,  H04B10/2504

公开(公告)号：ZA8102746B

公开(公告)日：1982-06-30

申请号：ZA8102746

申请日：1981-04-27

Applicant: CSELT CENTRO STUDI LAB TELECOM

Inventor： MAURO PERINO ,  PERINO MAURO

IPC: G02B6/32 ,  G02B6/42 ,  H01L31/02 ,  H01L31/0232 ,  H01L31/12 ,  H01L33/00 ,  H04B10/24 ,  H01L ,  G08C

CPC classification number: H01L31/0232 ,  G02B6/42 ,  G02B6/4206 ,  G02B6/4246 ,  H01L31/12 ,  H04B10/2504

公开(公告)号：ZA812746B

公开(公告)日：1982-06-30

申请号：ZA812746

申请日：1981-04-27

Applicant: CSELT CENTRO STUDI LAB TELECOM

Inventor： MAURO PERINO ,  PERINO MAURO

IPC: G02B6/32 ,  G02B6/42 ,  H01L31/02 ,  H01L31/0232 ,  H01L31/12 ,  H01L33/00 ,  H04B10/24 ,  H01L ,  G08C

Abstract: Optical coupler allowing contemporaneous transmission and reception of two light signals through the same optical fibre by introducing very low attenuations, owing to the use of a large surface photodetector whose centre is traversed by a microlens.