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:
Jun. 21, 2016

Filed:

Nov. 24, 2014
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Tomoyuki Saiki, Tokyo, JP;

Takeyoshi Saiga, Tokyo, JP;

Yu Miyajima, Utsunomiya, JP;

Shimpei Matsuo, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/45 (2006.01); G03G 15/043 (2006.01); G03G 15/04 (2006.01);
U.S. Cl.
CPC ...
G03G 15/043 (2013.01); G03G 15/0409 (2013.01);
Abstract

An image forming apparatus includes: a photosensitive member; and an exposure unit. The exposure unit includes a lens array optical system in which a plurality of lenses are disposed along a predetermined direction, and a light-emitting unit having a plurality of light-emitting elements disposed so as to expose, through the lens array optical system, every Lth pixel in L scanning lines of the photosensitive member. An interval of locations, in a main arrangement direction, that correspond to adjacent lenses in the lens array optical system is configured to be an interval based on the value of L.


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