Patent ID: 7083285
Filing Date: 2006-08-01
Classification: G03B

Abstract:
1. A projection apparatus, comprising: a housing having a first air inlet and an air outlet, the first air inlet positioned at a bottom surface of the housing, and a space formed between the bottom surface and a surface positioning the projection apparatus, the air outlet positioned at a side surface of the housing; a partition installed horizontally inside said housing for separating the housing into a first zone and a second zone, the first air inlet being formed at the first zone and positioned under the partition, the air outlet being formed at the second zone; a second air inlet formed between the partition and the housing; an optical engine positioned inside the second zone; a light source positioned inside the second zone for emitting light into the optical engine to form an image; and a fan installed in the second zone for drawing air from the first air inlet and second air inlet into the second zone, the air being exhausted through the air outlet; wherein the partition has a a periphery, a part of the periphery connected to the bottom surface of the housing and the other part of the periphery forming the second air inlet with the housing.