Projector

Details Projector Projector

2007-02-19

2010-11-16

Epps, Georgia Y (Department: 2878)

Optics: image projectors

Temperature control

Blower

C353S052000, C353S057000, C362S294000

Reexamination Certificate

active

07832872

ABSTRACT:
The invention discloses a projector including a light-source device, a guiding passage, and a fan. The light-source device includes a light-source lamp for emitting light. The guiding passage has an outlet and an inlet. There is a block disposed in the vicinity of the outlet. The outlet of the guiding passage is connected to the light-source device, and the inlet of the guiding passage is connected to the fan. The fan blows an air flow into the guiding passage. When the air flow passes through the block disposed in the vicinity of the outlet, the air flow will be divided into a first air flow and a second air flow. Afterward, the first air flow cools a first portion of the light-source device, and the second air flow cools a second portion of the light-source device. Accordingly, temperature of the light-source lamp can be stably maintained.

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