Patent ID: 7806531

Claim:
A projector for use with a cooling medium, comprising: a casing having a surface; a radiator connected to the casing, the radiator being deployable by rotation away from the surface of the casing and adapted to be accommodated along the surface of the casing, the radiator including a plurality of first fins, the radiator defining openings provided between mutually adjacent first fins, and the openings penetrating through the radiator; a cooling medium flowpath provided inside the casing and through which the cooling medium is allowed to flow, a part of the cooling medium flowpath being disposed in the radiator, and the cooling medium flowpath being at least partially exposed at the openings; a hinge joining the casing to the radiator, the hinge allowing the radiator to rotate away from the surface of the casing; and a plurality of second fins provided in the casing, the second fins of the casing being arranged between the mutually adjacent first fins and the second fins and the first fins fit each other when the radiator is accommodated along the surface of the casing.