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:
Sep. 15, 2020
Filed:
May. 21, 2019
Applicant:
Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;
Inventors:
Masato Suzuki, Yokohama, JP;
Yoshiaki Tamura, Yokohama, JP;
Yoshinori Yamamoto, Yokohama, JP;
Takemi Hasegawa, Yokohama, JP;
Suguru Takasaki, Yokohama, JP;
Saori Kubara, Yokohama, JP;
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka-shi, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01); G02B 6/036 (2006.01); G02B 6/255 (2006.01);
U.S. Cl.
CPC ...
G02B 6/02019 (2013.01); G02B 6/03611 (2013.01); G02B 6/2551 (2013.01); G02B 6/03627 (2013.01);
Abstract
The present embodiment relates to an optical fiber line or the like configured by connecting a single-mode optical fiber with a cladding containing fluorine and a large Aoptical fiber by TEC connection, and a connection state between such two types of optical fibers is set such that a connection loss expressed in dB of a fundamental mode is equal to or less than 55% of an ideal butt loss expressed in dB at a wavelength of 1550 nm.