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:
Mar. 23, 2021

Filed:

Mar. 04, 2020
Applicant:

Toshiba Tec Kabushiki Kaisha, Tokyo, JP;

Inventor:

Masaya Arakawa, Hiratsuka Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2039 (2013.01); G03G 15/2053 (2013.01); G03G 15/5029 (2013.01); G03G 15/2064 (2013.01);
Abstract

An image forming apparatus includes a plurality of heater elements arranged in a direction perpendicular to a sheet transport direction to heat the sheet, a plurality of temperature sensors, each of which is configured to detect a temperature of one of the heater elements, and a controller configured to control each of the sensors to detect a first temperature before the sheet is passed by the corresponding heater element and a second temperature of the heater element after the sheet is passed by the corresponding heater element, and determine one or more of the heater elements to be energized based on the first temperatures and the second temperatures detected by the sensors.


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