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:
Jan. 18, 2011
Filed:
Mar. 30, 2007
Kazuo Sasama, Kawasaki, JP;
Takaaki Suzuki, Sunto-gun, JP;
Kazuo Sasama, Kawasaki, JP;
Takaaki Suzuki, Sunto-gun, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus according to the invention includes a cooling fan as a cooling device, an image formation processing unit, a changeover unit, a main control unit, a secondary control unit, and a power supply unit. The main control unit and the secondary control unit make an appropriate action in association with each other in the event of the occurrence of an abnormality in the cooling device. The changeover unit is configured to connect the image formation processing unit to the main image formation control unit in the main control unit in a case where power is supplied to the main control unit, and to connect the image formation processing unit to the secondary image formation control unit in the secondary control unit in a case where power supply to the main control unit is stopped by the power supply control unit in the secondary control unit.