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. 29, 2019
Filed:
Nov. 02, 2017
Toto Ltd., Kitakyushu-shi, Fukuoka, JP;
Toto Ltd., Fukuoka, JP;
Abstract
An optical receptacle includes a fiber stub including an optical fiber, a ferrule having a through-hole fixing the optical fiber, an isolator filled into the through-hole of the ferrule with the optical fiber, and a holder holding the fiber stub. The through-hole has a small and large diameter portions, the optical fiber is disposed in the small diameter portion over the entire region of the optical fiber, the large diameter portion is provided opposite to a side to be optically connected to a plug ferrule, the isolator has substantially the same refractive index as the fiber's core, is filled into the small and large diameter portions, and is polished to cause at least a portion of the isolator to be flat at an end surface portion of the fiber stub on the side with the large diameter portion.