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US 2010/0165308 A1Published application
Projector
AssigneeSeiko Epson Corporation
InventorsEiji MORIKUNI, Nobutaka MINEFUJI
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Abstract
A projector includes: a projection unit that projects projection light toward an illuminated surface; a housing that houses the projection unit and has an opening that allows the projection light to exit outward; and a cover portion that blocks the opening and transmits the projection light, wherein a plurality of areas is set in the cover portion relative to the projection unit, and a process of changing the reflectance of the light-incident surface of the cover portion at which the projection light is reflected is performed on each of the areas.
Claims18
A projector comprising:
- a projection unit that projects projection light toward an illuminated surface;
- a housing that houses the projection unit and has an opening that allows the projection light to exit outward;
- and
- a cover portion that blocks the opening and transmits the projection light,
- wherein a plurality of areas is set in the cover portion relative to the projection unit, and
- a process of changing the reflectance of the light-incident surface of the cover portion at which the projection light is reflected is performed on each of the areas.
3 more elements
Dependencies are inferred from the claim text.