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:
Apr. 06, 2010
Filed:
Jun. 09, 2006
Applicants:
Taro Kaneko, Tokyo, JP;
Mitsunori Kanemoto, Tokyo, JP;
Inventors:
Taro Kaneko, Tokyo, JP;
Mitsunori Kanemoto, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/32 (2006.01); G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical communication module is fabricated to include a refraction plate made of an inorganic material whose refractive index varies little with temperature. The refraction plate is inserted in the optical path to perform optical axis compensation in a single lens system with long focal length.