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. 23, 2013
Filed:
Oct. 01, 2009
Applicants:
Naoto Doujou, Utsunomiya, JP;
Toru Matsuda, Utsunomiya, JP;
Inventors:
Naoto Doujou, Utsunomiya, JP;
Toru Matsuda, Utsunomiya, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/10 (2006.01); G02B 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A telescope includes: a concave mirror reflecting light from an object; an image pickup element receiving light from the mirror; a compensation optical system for guiding light from the mirror to the image pickup element; a lens barrel integrally holding the image pickup element and the compensation optical system; and a drive mechanism for driving the lens barrel to change the angle of the optical axis of the compensation optical system with respect to the optical axis of the concave mirror.