Patent ID: 8289708

Claim:
An electric device comprising: a casing having a front panel, a left side panel, a right side panel, a rear panel, a top panel and a bottom panel; an exhaust opening provided in one of the front panel, the left side panel, the right side panel, the rear panel, the top panel and the bottom panel to exhaust air inside the casing out of the casing; a panel intake opening provided in at least one of the panels, in which no exhaust opening is provided, to take the air into the casing from outside the casing; a partition provided in the casing so as to form an air path with the panel in which the intake opening is provided, and the partition is provided with a partition intake opening at a position which does not overlap with the panel intake opening to take the air into the casing; a radiator having an enclosure forming a hollow to allow flow of the air and disposed between the partition and the panel in which the exhaust opening is provided so that an opening at an end of the hollow faces the exhaust opening; a heating element disposed inside the casing; and a fan to exhaust the air heated inside the casing out of the casing.