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.
Patent No.:
Date of Patent:
Jul. 06, 2021
Filed:
Apr. 12, 2020
Oki Data Corporation, Tokyo, JP;
Osamu Kunimori, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
An image formation apparatus according to an embodiment may include: a fixation device including a first heater and a second heater whose electric power is smaller than the first heater; first and second switches to supply a power supply signal to the first and second heaters; and a heater controller. The heater controller: turns on the second switch at a first timing; turns off the second switch at a second timing at which a first length of time equal not less than a predetermined time length is elapsed from the first timing; turns on the first switch at a third timing after the second timing; and turns on the second switch at a fourth timing at which a second length of time not less than the predetermined time length is elapsed from the third timing.