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:
May. 04, 2021

Filed:

Dec. 03, 2018
Applicant:

Brother Kogyo Kabushiki Kaisha, Nagoya, JP;

Inventor:

Tetsuya Morita, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 3/60 (2006.01); G03G 15/00 (2006.01); G03G 15/23 (2006.01); B41J 11/00 (2006.01);
U.S. Cl.
CPC ...
B41J 3/60 (2013.01); B41J 11/009 (2013.01); G03G 15/234 (2013.01); G03G 15/5029 (2013.01); G03G 15/602 (2013.01); G03G 15/605 (2013.01); G03G 15/6591 (2013.01); G03G 2215/00742 (2013.01);
Abstract

An image forming apparatus includes a second conveyance guide diverging from a first conveyance guide at a bifurcation and joining the first conveyance guide at a junction, the bifurcation being downstream of a first position of an image former in a conveyance direction, the junction being upstream of the first position in the conveyance direction, first and second sensors disposed in second and third positions between the junction and the first position along the first conveyance guide, respectively, and a controller that, when a sheet passes through the second and third positions for a second time, detects a surface characteristic of a side of the sheet by the first sensor and determines an image forming condition for the side based on the surface characteristic of the side and a basis weight detected by the second sensor when the sheet passed through the second and third positions for a first time.


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