Patent ID: 8190018

Claim:
A portable apparatus having functions of image capturing and power management, the portable apparatus operable in a plurality of operational states including a first and a second operational states an image capturing operation being performable in the first operational state wherein: said portable apparatus comprising: a touch sensor for detecting user's touch, one or plurality of components including imaging capturing unit, the one or plurality of components consuming less power in the second operational state than in the first operational state, and a power supply section for supplying power to the one or plurality of components; and a power management unit of said portable apparatus configured: to monitor a user's touch operation to the touch sensor in the second operation state, when detecting a signal representing a user's touch operation instructing activation of the image capturing operation in the second operational state, to control the operational state change of the portable apparatus from the second operational state to the first operational state and to supply sufficient power to said one or plurality of components so that the one or more components capable of working for the image capturing operation, and to shut off the power supply to the one or plurality of components including imaging capturing unit when there is no user's instruction detected in the first operational state, wherein the portable apparatus is configured to change to a state capable of image capturing with background processing.