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:
Aug. 22, 2017
Filed:
Mar. 17, 2016
Applicant:
Browave Corporation, Hsinchu, TW;
Inventors:
Assignee:
BROWAVE CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/36 (2006.01); G02B 6/00 (2006.01); G02B 6/42 (2006.01); G02B 6/26 (2006.01); G02B 6/27 (2006.01); G02B 6/32 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4204 (2013.01); G02B 6/266 (2013.01); G02B 6/2793 (2013.01); G02B 6/4285 (2013.01); G02B 6/322 (2013.01); G02F 2203/48 (2013.01);
Abstract
Provided is a variable optical attenuator, including a pigtail, a spacer, a lens and a cap. The pigtail has a first waveguide and a second waveguide. The first waveguide transmits incident light, and the second waveguide receives the returned light. The pigtail is attached to one side of the space, and the lens is attached to another side of the space. Moreover, the cap includes a hollow portion, a first connecting portion and a second connecting portion. The lens is placed inside the hollow portion, and the space is connected to the first connecting portion of the cap.