Patent ID: 8031263

Claim:
An image input apparatus comprising: a communication unit that communicates with a storage device; a power control unit that supplies power to the storage device; and a control unit that (a) controls the power control unit to supply power to the storage device if a power switch of the image input apparatus is turned on, (b) acquires first identification information of the storage device from the storage device if the power switch of the image input apparatus is turned on, (c) controls the power control unit not to supply power to the storage device if the first identification information is acquired from the storage device, (d) controls the power control unit to supply power to the storage device if a release switch of the image input apparatus is turned on, (e) acquires second identification information of the storage device from the storage device if the release switch is turned on, (f) controls a display unit to display that the first identification information is different from the second identification information if the first identification information is different from the second identification information, and (g) controls the power control unit not to supply power to the storage device if image data generated based on the release switch is stored in the storage device.