Projector
AssigneeSeiko Epson Corporation
InventorSeiji TADACHI
Life of this patent
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Abstract
A projector includes: an illumination system which has a light source, and a light control unit opened and closed to shield a part of light emitted from the light source; a light modulation device illuminated by illumination light received from the illumination system; an air supply device which supplies air to the light control unit and the light modulation device; and an air supply control unit which decreases an air supply amount to the light modulation device when increasing an air supply amount to the light control unit in accordance with a relatively closed condition of the light control unit.
Claims8
A projector comprising:
- an illumination system which has a light source, and a light control unit opened and closed to shield a part of light emitted from the light source;
- a light modulation device illuminated by illumination light received from the illumination system;
- an air supply device which supplies air to the light control unit and the light modulation device;
- and
- an air supply control unit which decreases an air supply amount to the light modulation device when increasing an air supply amount to the light control unit in accordance with a relatively closed condition of the light control unit.
A projector comprising:
- an illumination system which has a light source, and a light control unit opened and closed to shield a part of light emitted from the light source;
- a light modulation device illuminated by illumination light received from the illumination system;
- and
- an air supply device which supplies air to the light control unit and the light modulation device,
- wherein an air supply amount from the air supply device to the light control unit becomes larger than before increase of a light shield amount of the light control unit when the light shield amount of the light control unit increases, and an air supply amount from the air supply device to the light modulation device becomes smaller than before increase of the light shield amount of the light control unit when the light shield amount of the light control unit increases.
Dependencies are inferred from the claim text.