Projection optical apparatus and projector
AssigneeSeiko Epson Corporation
InventorTakahiro Takizawa
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Abstract
A projection optical apparatus includes a first housing, a second housing accommodated in the first housing, and a projection system accommodated in the second housing. The projection system includes a first reflector deflecting the optical path of the projection system. The first housing has a plurality of first openings that cause the interior of the first housing to communicate with the exterior of the first housing. The second housing has a plurality of second openings that cause the interior of the second housing to communicate with the exterior of the second housing.
Claims10
A projection optical apparatus comprising:
- a first housing;
- a second housing accommodated in the first housing;
- and
- a projection system accommodated in the second housing,
- wherein the projection system includes a first reflector defecting an optical path of the projection system,
- the first housing has a plurality of first openings that cause an interior of the first housing to communicate with an exterior of the first housing, and
- the second housing has a plurality of second openings that cause an interior of the second housing to communicate with an exterior of the second housing.
A projection optical apparatus comprising:
- a first housing;
- a second housing accommodated in the first housing;
- a projection system accommodated in the second housing;
- and
- a heat dissipater exposed to a region outside the second housing,
- wherein the projection system includes a first reflector deflecting an optical path of the projection system,
- the first housing has a plurality of first openings that cause an interior of the first housing to communicate with an exterior of the first housing, and
- the heat dissipater is provided at the first reflector.
Dependencies are inferred from the claim text.