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:
Jan. 30, 2007
Filed:
Apr. 27, 2004
Applicants:
Koichi Inoue, Chiba, JP;
NG Wei Kiang, Chiba, JP;
Inventors:
Koichi Inoue, Chiba, JP;
Ng Wei Kiang, Chiba, JP;
Assignee:
Fujikura, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/255 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of fusion splicing optical fibers with different diameters, comprising: (a) preheating for a predetermined period of time an end of a large-diameter optical fiber; (b) advancing relatively the small-diameter optical fiber toward large diameter fiber; (c) preheating for a predetermined period of time the ends of the both optical fibers; (d) advancing at least one of the optical fibers so that end faces of the optical fibers are brought into contact with each other; and (e) heating a predetermined period of time the faces of the optical fibers.