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:
Nov. 18, 2008
Filed:
Apr. 21, 2006
Applicants:
Shinji Uchida, Utsunomiya, JP;
Choshoku Sai, Utsunomiya, JP;
Katsumi Asada, Utsunomiya, JP;
Hirohito Ito, Utsunomiya, JP;
Shigeo Sakino, Higashimurayama, JP;
Inventors:
Shinji Uchida, Utsunomiya, JP;
Choshoku Sai, Utsunomiya, JP;
Katsumi Asada, Utsunomiya, JP;
Hirohito Ito, Utsunomiya, JP;
Shigeo Sakino, Higashimurayama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02B 26/08 (2006.01); G02F 1/29 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mirror apparatus including a reflecting mirror reflecting light, partition walls, the walls and the reflecting mirror defining a plurality of air chambers, and a regulator regulating air pressure in at least one of the air chambers. With this configuration, the front surface of the reflecting mirror is deformed into a smooth shape so as to correct optical aberration.