Patent ID: 6203158
Filing Date: 2001-03-20
Classification: G02F,G03B,H04N

Abstract:
A projector, comprising:an optical unit including a light source lamp and a projection lens, the optical unit forming an optical image in response to image information by optically treating light beams emitted from the light source lamp and expansively projecting the optical image through the projection lens;a power unit including a ventilating path provided inside the power unit for circulating cooling air;an outer case that stores the optical unit and the power unit;a first cooling air intake port located on the outer case that provides cooling air from outside of the outer case to the optical unit; anda second cooling air intake port located on the outer case that directly conducts cooling air from the outside of the outer case to the ventilating path, said second cooling air intake port comprising:an air inlet provided on the power unit, anda duct connecting said second cooling air intake port and the air inlet.