Abstract: According to one embodiment, an information processing apparatus that comprises a storage device and a processor. The storage device is configured to store power-saving setup information, including at least one setup item relating to an operation affecting an amount of power consumed by the information processing apparatus. The processor is configured to (i) set a value of the at least one setup item, (ii) control operations based on a current setup value, (iii) acquire first setup information for automatically setting a value (first setup value) of the at least one setup item, (iv) compare the first setup value and the current setup value, and (v) automatically apply one of the first setup value and the current setup value to the at least one setup item based on a result of the comparison, the one of the first setup value and the current setup value having a higher power-saving effect.

Abstract: According to one embodiment, an information processing apparatus that comprises a storage device and a processor. The storage device is configured to store power-saving setup information, including at least one setup item relating to an operation affecting an amount of power consumed by the information processing apparatus. The processor is configured to (i) set a value of the at least one setup item, (ii) control operations based on a current setup value, (iii) acquire first setup information for automatically setting a value (first setup value) of the at least one setup item, (iv) compare the first setup value and the current setup value, and (v) automatically apply one of the first setup value and the current setup value to the at least one setup item based on a result of the comparison, the one of the first setup value and the current setup value having a higher power-saving effect.

Abstract: According to one embodiment, an electronic apparatus includes: a presence determining module configured to determine at an interval whether a user is present based on image data output by a camera; a display power controller configured to turn on a display when the user is present and to turn off the display when the user is not present, based on a result of the presence determining module; and a detection interval controller configured to control the interval such that the interval is shorter when the display is off compared to when the display is on and the user is determined to be present.

Abstract: An electronic device includes: display controller; user presence determination module; user authentication module; and controller. The user presence determination module determines presence of a user based on image data received from the camera while dominating access to a camera. The user authentication module dominates access to the camera, if the display is put in a screen lock state and to perform a user authentication based on the image data. The controller turns off the display if the user present determination module determines that the user is absent and while the display has not been put in the screen lock state, and to cause the user presence determination module to release the access to the camera and to put the display in the screen lock state before turning on the display if it is determined after the display is turned off that the user is present.

Abstract: According to one embodiment, an information processing apparatus includes a storage device, a setup module, an operation control module, and a setup value control module. The storage device stores power-saving setup information including at least one setup item relating to an operation of the apparatus. The setup module sets up a value of the at least one setup item in accordance with a user operation. The setup value control module acquires first setup information including a first setup value corresponding to the at least one setup item, and applies a setup value with a higher power-saving effect, which is selected between the first setup value and a current setup value of the at least one setup item, to the at least one setup item.

Abstract: According to one embodiment, an information processing apparatus detects whether or not a person is in front of a screen of a display arranged on a front surface of a second housing. When the second housing is set at a first position where the screen of the display and an upper surface of a first housing are exposed, the apparatus enables a control function for controlling a state of the display to transit from an ON state to an OFF state based on the detection result. When the second housing is set at a second position where the screen of the display is exposed and at least a part of the upper surface is covered with a back surface of the second housing, the apparatus disables the control function.

Abstract: According to one embodiment, an information processing apparatus includes a display processor and a power-saving setup module. The display processor displays on a screen a first interface including a slider which is movable along a path. The power-saving setup module sets values of a plurality of power-saving setup items in accordance with a position of the slider on the path, such that the information processing apparatus operates in a power-saving mode of one of a plurality of power-saving levels. The display processor changes, if a value of at least one power-saving item of the plurality of power-saving setup items is changed by a second interface which is different from the first interface, the position of the slider on the path.

Abstract: According to one embodiment, an information processing apparatus includes an optical disc drive, a data processing module which executes data processing using the optical disc drive, and a power supply management module which manages supply of power to the optical disc drive. The data processing module interrogates the power supply management module about the optical disc drive at the time of activation, and waits until an operating system recognizes the optical disc drive when an instruction is received from the power supply management module in response to an interrogation. The instruction instructs to wait until the operating system recognizes the optical disc drive. The power supply management module shifts the optical disc drive to a power supply on state and returns the instruction to the data processing module, if the optical disc drive is in a power supply off state when the interrogation is received.

Abstract: According to an aspect of the present invention, there is provided an information processing apparatus that is operable in a first operation state and a second operation state, the apparatus including: a history storage unit configured to accumulate: a power usage reduction that is calculated based on a power usage difference between the first operation state and the second operation state; and an acquisition time at which the power usage reduction is acquired; an adding-up unit configured to add up values of the power usage reduction for a given period thereby calculating a power usage reduction amount; and an image generation unit configured to generate an image indicating a difference between the power usage reduction amount and a target value therefor and to display the image on a display device.

Abstract: According to one embodiment, an electronic device includes: a display controller; a user presence determination module; a reference elapsed time storage module; an interval time setting module; and a display controller. The display controller causes a display to display various types of information. The user presence determination module determines whether a user is present at a first time interval. The reference elapsed time storage module stores therein a second time for changing an operation mode to a power saving mode based on a time elapsed from when a user operation is ceased to be detected. The interval time setting module sets the first time interval shorter than the second time based on the second time stored in the reference elapsed time storage module. The display controller turns off the display if the user presence determination module determines that the user is absent.

Abstract: According to one embodiment, electronic device includes: display controller; user presence determination module; user authentication module; and controller. The user presence determination module determines presence of a user based on image data received from the camera while dominating access to a camera. The user authentication module dominates access to the camera, if the display is put in a screen lock state and to perform a user authentication based on the image data. The controller turns off the display if the user present determination module determines that the user is absent and while the display has not been put in the screen lock state, and to cause the user presence determination module to release the access to the camera and to put the display in the screen lock state before turning on the display if it is determined after the display is turned off that the user is present.

Abstract: According to one embodiment, an electronic apparatus includes: a presence determining module configured to determine at an interval whether a user is present based on image data output by a camera; a display power controller configured to turn on a display when the user is present and to turn off the display when the user is not present, based on a result of the presence determining module; and a detection interval controller configured to control the interval such that the interval is shorter when the display is off compared to when the display is on and the user is determined to be present.

Abstract: According to one embodiment, an information processing apparatus includes a main body, an optical disc drive provided in the main body, and a drive management module provided in the main body. The optical disc drive is configured to output an eject signal to an outside in response to an operation of an eject button. The drive management module is configured to supply power to the optical disc drive when the eject signal is received from the optical disc drive which is in a power-off state, to determine, after supplying the power to the optical disc drive, whether the optical disc drive is in a ready state or not, and to send to a signal instructing opening of a tray of the optical disc drive when it is determined that the optical disc drive is in the ready state.

Abstract: According to one embodiment, an information processing apparatus includes a main body, an optical disc drive provided in the main body, and a drive management module provided in the main body. The optical disc drive is configured to output an eject signal to an outside in response to an operation of an eject button. The drive management module is configured to supply power to the optical disc drive when the eject signal is received from the optical disc drive which is in a power-off state, to determine, after supplying the power to the optical disc drive, whether the optical disc drive is in a ready state or not, and to send to a signal instructing opening of a tray of the optical disc drive when it is determined that the optical disc drive is in the ready state.

Abstract: According to one embodiment, a charging apparatus includes a charger, a controller, and a switch. The charger is configured to charge a battery. The controller is configured to control a charge of the battery performed by the charger such that the charge is stopped when a battery capacity reaches a first capacity at a first charge mode and stopped when the battery capacity reaches a second capacity lower than the first capacity at a second charge mode. The switch is configured to execute processing which is concerned with switching between the first charge mode and the second charge mode in accordance with a record on the battery capacity.

Abstract: According to one embodiment, an information processing apparatus includes a main body, an optical disc drive provided in the main body, an acceleration sensor provided in the main body, and a drive management module provided in the main body. The optical disc drive is configured to output an eject signal to an outside in response to an operation of an eject button. The drive management module is configured to determine whether the main body is shaking or not by using the acceleration sensor when the eject signal is received from the optical disc drive which is in a power-off state, and to supply power to the optical disc drive and send to the optical disc drive a signal instructing opening of a tray of the optical disc drive, when the main body is not shaking.

Abstract: According to one embodiment, an information processing apparatus includes a storage device, a setup module, an operation control module, and a setup value control module. The storage device stores power-saving setup information including at least one setup item relating to an operation of the apparatus. The setup module sets up a value of the at least one setup item in accordance with a user operation. The setup value control module acquires first setup information including a first setup value corresponding to the at least one setup item, and applies a setup value with a higher power-saving effect, which is selected between the first setup value and a current setup value of the at least one setup item, to the at least one setup item.

Abstract: According to one embodiment, an information processing apparatus having a power-saving function includes a monitoring module and a power-saving setting presenting module. The monitoring module monitors a usage pattern of the information processing apparatus, and stores log information indicative of the usage pattern in a storage device. The power-saving setting presenting module determines recommended values of power-saving parameters for specifying content of the power-saving function, based on the stored log information, and to display the determined recommended values.

Abstract: According to one embodiment, an information processing apparatus having a power-saving function includes a power-saving control module, a power consumption measuring module, a log accumulation module, and a log display module. The power-saving control module sets each of predetermined components in the information processing apparatus in either a normal operation state or a power-saving state, based on power-saving parameters corresponding to the predetermined components. The power consumption measuring module measures a total power amount consumed by the apparatus in a predetermined time period. The power-saving effect calculation module calculates a power-saving effect value indicative of a power amount reduced in the predetermined time period by the setting of the power-saving parameters. The log storing module stores information indicative of the total power amount and the power-saving effect value.

Abstract: According to one embodiment, an information processing apparatus includes a main body, an optical disc drive provided in the main body, an acceleration sensor provided in the main body, and a drive management module provided in the main body. The optical disc drive is configured to output an eject signal to an outside in response to an operation of an eject button. The drive management module is configured to determine whether the main body is shaking or not by using the acceleration sensor when the eject signal is received from the optical disc drive which is in a power-off state, and to supply power to the optical disc drive and send to the optical disc drive a signal instructing opening of a tray of the optical disc drive, when the main body is not shaking.