Patent ID: 7448759

Claim:
A projection equipment comprising: a light source lamp for emitting light; a projection unit for producing an optical image using the light emitted from the light source lamp, and for projecting the produced optical image; a cooling unit for performing a cooling operation to cool the light source lamp; a non-volatile memory unit for storing discrimination information indicating whether the cooling unit finished the cooling operation of cooling the light source lamp in a normal manner when a power-off operation was last performed to power off the equipment; an instruction unit for giving an instruction to execute a power-on operation to power on the equipment; and a turn-on control unit for, when the instruction unit gives the instruction to execute the power-on operation and when the discrimination information stored in the nonvolatile memory unit indicates that the cooling unit did not finish the cooling operation in the normal manner when the power-off operation was last performed to power off the equipment, driving the cooling unit to perform the cooling operation to cool the light source lamp for a predetermined time before the light source lamp is turned on.