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:
Jun. 26, 2007
Filed:
Oct. 18, 2006
Applicants:
Kaoru Kagami, Tachikawa, JP;
Hidekuni Asai, Kunitachi, JP;
Yoshiatsu Yokoo, Hidaka, JP;
Inventors:
Assignee:
Hoya Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/26 (2006.01); G02B 6/42 (2006.01); G02B 6/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical switch easy to adjust optical parts without using a catoptric system and an optical add/drop multiplexer using the optical switch are provided. Between an input light outputting collimator deviceand an output light inputting collimator deviceprovided to face each other at a predetermined spaced interval, a drop light inputting collimator deviceand an add light outputting collimator devicefixed and held on a movable holding memberin common are moved forward and retreated, and thereby a switching is conducted.