| 摘要 |
An apparatus includes a packet detecting unit; a packet analyzing unit; an image processing unit processing images using image data from the packet; a power supply unit supplying power to the packet detecting, packet analyzing, and image processing units; a stand-by mode controlling unit controlling the packet detecting unit, the packet analyzing unit, and the image processing unit to be operable in a stand-by mode; a first controlling unit controlling, in a first mode, the packet detecting and packet analyzing units to be operable while the image processing unit is inoperable; a second controlling unit controlling, in a second mode, the packet detecting unit to be operable while the packet analyzing and image processing units are inoperable; and a first mode-changeover unit changing a power supply mode from the second mode to the first mode when the packet detecting unit detects a predetermined packet in the second mode.
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