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:
Oct. 14, 2014
Filed:
May. 03, 2012
Takeshi Aoyagi, Tokyo, JP;
Takeshi Aoyagi, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An information processing apparatus includes a processing unit, a power supply control unit configured to control powering on and off of the processing unit, and a controller unit configured to access the processing unit irrespective of a power supply state of the processing unit. The power supply control unit powers off a processing unit that is not in use, powers on a processing unit that is accessed by the controller unit, and outputs a predetermined control signal to the controller unit. The controller unit recognizes that an error occurs in a case where, after accessing a processing unit, the controller unit does not receive a response from the accessed processing unit until a time-out time elapses, and delays recognizing the error when the control signal is received.