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. 28, 2014
Filed:
Dec. 02, 2009
Tsukasa Fujita, Osaka, JP;
Tsukasa Fujita, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
In order to provide a power supply control system for driving power supply units efficiently depending on difference between loads, a power supply control system for controlling power supply operation to supply power to an electronic device having a first drive mode and a second drive mode that is driven under a load lower than a load in the first drive mode includes: power supply units each of which includes transformers; and a PFC switching/power supply unit switching section (power supply unit selection section) that, depending on which one of the first and second drive modes the electronic device is in, selects power supply unit(s) to be used from the power supply units, wherein the PFC switching/power supply unit switching section selects the one or a plurality of power supply units to be used from the plurality of power supply units such that each power supply unit to be used to supply power to the electronic device in the second drive mode is one or some of each power supply unit to be used to supply power to the electronic device in the first drive mode.