Patent ID: 6416184
Filing Date: 2002-07-09
Classification: G03B

Abstract:
A projector comprising:an electro-optical device for forming an optical image according to image information from a light beam emitted by a light source; a projection lens for enlarging and projecting the image formed by said electro-optical device; a lens positioning mechanism connected to the projection lens for adjusting a projecting position of the image; and an outer casing for covering a main body and for containing the electro-optical device, a portion of the projection lens and the lens positioning mechanism, said projection lens being projected outside the outer casing from an opening formed in said outer casing, and a clearance formed between an edge of the projection lens and a rim of said opening of said outer casing being filled with a dustproof ventilating member, wherein air is drawn into the projector through the dustproof ventilating member.