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:
Feb. 23, 2016

Filed:

Oct. 30, 2013
Applicant:

Konica Minolta, Inc., Chiyoda-ku, JP;

Inventors:

Akimasa Ishikawa, Toyokawa, JP;

Tatsuya Eguchi, Toyohashi, JP;

Yohei Yamada, Toyokawa, JP;

Assignee:

KONICA MINOLTA, INC., Chiyoda-Ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/435 (2006.01); B41J 2/47 (2006.01); G03G 15/04 (2006.01); G03G 15/043 (2006.01);
U.S. Cl.
CPC ...
G03G 15/04072 (2013.01); G03G 15/043 (2013.01);
Abstract

An image forming apparatus for performing laser exposure is provided. The image forming apparatus includes a driving circuit for supplying drive current to a laser light source in accordance with an image pulse signal; a pulse width expansion portion for expanding a pulse width of the image pulse signal supplied to the driving circuit; and an adjustment control portion for setting, based on state data indicating a state related to light emission start characteristics of the laser light source, a value of the bias current supplied as a part of the drive current to the laser light source and an amount of expansion of the pulse width in such a manner that laser light emission occurs in a period of time having a length equal to a length of a pulse width of each pulse in the image pulse signal.


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