Sleep mode management of hard disk drive
AssigneeHewlett-Packard Development Company, L.P.
InventorsSanghyun Park, Jungjin Park, Joonhyung Hwangbo
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Abstract
An example image forming apparatus includes a hard disk unit including a head unit, and a controller. The controller is to obtain first time information corresponding to the image forming apparatus and usage time information of the image forming apparatus, obtain second time information corresponding to the head unit and driving information of the head unit, and manage a sleep mode of the hard disk unit based on the first time information, the second time information, the usage time information, and the driving information.
Claims13
An image forming apparatus comprising:
- a hard disk unit including a head unit;
- and a controller to:
- obtain first time information corresponding to the image forming apparatus and usage time information of the image forming apparatus,
- obtain second time information corresponding to the head unit and driving information of the head unit,
- identify a driving allowed value of the head unit at a sleep mode management time point based on the first time information, the second time information, and the usage time information, and
- manage a sleep mode of the hard disk unit, wherein the sleep mode is a state in which a platter of the hard disk unit has stopped spinning, based on the driving allowed value and the driving information.
A sleep mode management method of an image forming apparatus, the sleep mode management method comprising:
- obtaining first time information corresponding to the image forming apparatus and usage time information of the image forming apparatus;
- obtaining second time information corresponding to a head unit included in a hard disk unit and driving information of the head unit;
- identifying a driving allowed value of the head unit at a sleep mode management time point based on the first time information, the second time information, and the usage time information;
- and
- managing a sleep mode of the hard disk unit, wherein the sleep mode is a state in which a platter of the hard disk unit has stopped spinning, based on the driving allowed value and the driving information.
Dependencies are inferred from the claim text.