Projector device

Details Projector device Projector device

2006-09-07

2010-02-02

O'Shea, Sandra L (Department: 2875)

Illumination

Light source and modifier

With ventilating, cooling or heat insulating means

C362S218000, C362S345000, C362S373000, C362S285000, C362S287000, C355S097000, C355S098000, C355S061000

Reexamination Certificate

active

07654697

ABSTRACT:
A liquid crystal projector device of the present invention includes a lamp unit and a lamp cooling fan, the lamp unit having disposed therein a columnar lamp bulb having a luminous body enclosed therein, the lamp unit having a side wall opposed to the lamp cooling fan and provided with a first and second air introduction openings at opposite sides of a plane including a central axis of the lamp bulb and perpendicular to the side wall, for introducing the air drawn from the lamp cooling fan toward the lamp bulb.

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patent: 7147349 (2006-12-01), Kato et al.
patent: 2004/0109142 (2004-06-01), Gishi et al.
patent: 2005/0007558 (2005-01-01), Shiraishi et al.
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patent: 2005-173085 (2005-06-01), None
Japanese Office Action dated Jul. 29, 2008; Application No. 2005-262887.

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