Patent · US Expired

Ferrule for connecting optical fibers and optical connector using it

US4818061A · kind A · utility

16Cited by

6References

20Claims

0Family size

Assignee

NIPPON TELEGRAPH AND TELEPHONE CORPORATION · JP

Inventors

Shinichi Iwano · Tokyo, JP
Yasuhiro Ando · Tokyo, JP

Key dates

Filing date	Apr 4, 1986
Grant date	Apr 4, 1989
Priority date	—
Expiry date	Apr 4, 2006

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/389
WIPO fieldOptics
WIPO sectorInstruments

Abstract

This invention ferrule which covers an end of an optical fiber is structured to have a larger elastic displacement compared to ordinary ones. And misalignment at coupling is absorbed, thereby reducing a coupling loss as well as sliding force at the coupling.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.