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. 11, 1994
Filed:
May. 11, 1992
Yasuhisa Tanisawa, Tokyo, JP;
Tetsuji Ueda, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
An optical module comprises a capillary in which first and second optical fibers are connected. The first optical fiber is aligned through a lens to an optical device, and the second optical fiber functions as a pigtail cord connected to an external optical fiber. The first optical fiber is a TEC (thermal expand core) fiber having an end portion whose core diameter is larger than that of the other portion thereof, and the first optical fiber is a normal optical fiber which has a uniform core diameter smaller than the core diameter of the TEC fiber.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile