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.

Date of Patent:
Dec. 09, 2014

Filed:

Sep. 06, 2011
Applicants:

Kazuya Yoneyama, Saitama, JP;

Yoshikazu Shinohara, Saitama, JP;

Takayuki Noda, Saitama, JP;

Tatsuyuki Ogino, Saitama, JP;

Ryoko Tomioka, Saitama, JP;

Inventors:

Kazuya Yoneyama, Saitama, JP;

Yoshikazu Shinohara, Saitama, JP;

Takayuki Noda, Saitama, JP;

Tatsuyuki Ogino, Saitama, JP;

Ryoko Tomioka, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/232 (2006.01); H04N 5/225 (2006.01); G02B 9/00 (2006.01); G02B 17/00 (2006.01); G02B 13/00 (2006.01); H04N 1/00 (2006.01); H04N 9/04 (2006.01);
U.S. Cl.
CPC ...
G02B 13/004 (2013.01); H04N 1/00307 (2013.01); H04N 9/045 (2013.01);
Abstract

An imaging device with a short length and small aberration is provided. A total length D of an image-forming optical system is less than 3.6 mm. A maximum incidence angle of a principle ray on an image forming plane exceeds 33°. Conditions f/fL<−1.50 or f/fL<−0.9, and D/f<1.10 are satisfied where f denotes a focal length of the entire image-forming optical system and fL denotes a focal length of a last lens.


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