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:
Jul. 14, 2015

Filed:

Dec. 09, 2014
Applicant:

Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;

Inventors:

Masafumi Inoue, Tajimi, JP;

Noritaka Iwama, Nagoya, JP;

Assignee:

BROTHER KOGYO KABUSHIKI KAISHA, Nagoya-Shi, Aichi-Ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/00 (2006.01); B65H 7/20 (2006.01); B65H 1/00 (2006.01); B65H 7/06 (2006.01); H04N 1/12 (2006.01); H04N 1/32 (2006.01); B65H 5/02 (2006.01);
U.S. Cl.
CPC ...
H04N 1/00933 (2013.01); B65H 5/021 (2013.01); B65H 7/06 (2013.01); B65H 7/20 (2013.01); H04N 1/00689 (2013.01); H04N 1/00745 (2013.01); H04N 1/00761 (2013.01); H04N 1/00782 (2013.01); H04N 1/121 (2013.01); H04N 1/32133 (2013.01); H04N 2201/0094 (2013.01);
Abstract

There is provided an image forming apparatus, including: an image forming unit; a sheet detector positioned on a sheet conveyance path at an upstream side of the image forming unit; a conveyance belt; an image detector; and a controller. The controller is configured to perform: detecting a front end of the sheet; forming a mark image to extend over the conveyance belt and the sheet; detecting the mark image; measuring a mark conveyance time; obtaining a time elapsed based on the mark conveyance time; and forming the image when the obtained time passes from the front end of the sheet is detected.


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