The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 2002
Filed:
Apr. 21, 1999
Applicant:
Inventors:
Mitsuo Yarita, Chiba, JP;
Tomohiro Shimada, Chiba, JP;
Assignee:
Seiko Instruments Inc., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/36 ;
U.S. Cl.
CPC ...
G02B 6/36 ;
Abstract
To provide a ferrule tubular body and a ferrule which is free from a fear that the end face of the ferrule may be roughened, which can eliminate an eccentric adjustment process performed after an optical fiber is fixed, and which can attain the optical connection less in insertion loss. An indicator section or making it possible to observe an eccentric direction of a though-hole to which an exposed optical fiber end portion is inserted to be held is provided on the outer surface of a ferrule tubular body A, B, C, D and/or the outer surface of a flanged member A, B, C, D securely fixed to the rear end of the ferrule tubular body A, B, C, D.