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:
Oct. 20, 2020

Filed:

Sep. 23, 2019
Applicants:

Osamu Kizaki, Saitama, JP;

Junji Nakai, Kanagawa, JP;

Masafumi Yamada, Kanagawa, JP;

Shizuho Katahira, Kanagawa, JP;

Inventors:

Osamu Kizaki, Saitama, JP;

Junji Nakai, Kanagawa, JP;

Masafumi Yamada, Kanagawa, JP;

Shizuho Katahira, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 11/00 (2006.01); B41J 11/08 (2006.01); G03G 13/20 (2006.01); G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
B41J 11/002 (2013.01); B41J 11/08 (2013.01); G03G 13/20 (2013.01); G03G 15/2042 (2013.01);
Abstract

An image forming apparatus includes a plurality of heaters, a plurality of temperature sensors, an object sensor, and control circuitry. The temperature sensors are formed at positions corresponding to the heaters. The object sensor is configured to detect an overlap region of a medium and the heaters. The control circuitry is configured to correct temperature information acquired by the temperature sensors, according to the overlap region detected by the object sensor and the positions of the temperature sensors, and control the heaters based on the corrected temperature information.


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