US 7,510,285 B2
Projector
Kazutoshi Takemi, Daito (Japan); and Masaki Ochi, Daito (Japan)
Assigned to Funai Electric Co., Ltd., Daito-shi (Japan)
Filed on Feb. 01, 2006, as Appl. No. 11/344,213.
Claims priority of application No. 2005-026948 (JP), filed on Feb. 02, 2005.
Prior Publication US 2006/0170876 A1, Aug. 03, 2006
Int. Cl. G03B 21/16 (2006.01); G03B 21/18 (2006.01); G03B 21/26 (2006.01); B60Q 1/06 (2006.01); F21V 29/00 (2006.01)
U.S. Cl. 353—61  [353/57; 362/373] 13 Claims
OG exemplary drawing
 
1. A projector comprising:
a source lamp;
an optical component arranged on a position irradiated with light from said source lamp;
air feed means for feeding air toward said source lamp;
a first air guide member for guiding said air fed from said air feed means at least toward said optical component; and
a second air guide member for guiding said air guided toward said optical component to pass through said optical component toward said source lamp; and
a lamp case mounted therein with said source lamp and formed to enclose said source lamp for preventing said source lamp from leaking light, wherein
said first air guide member includes a first air guide portion for guiding said air fed from said air feed means to said source lamp and a second air guide portion branching from said first air guide portion for guiding said air fed from said air feed means to said optical component,
said lamp case includes a first air guide hole for introducing said air fed from said first air guide portion of said first air guide member and a second air guide hole for introducing said air fed from said second air guide member, and
said first air guide hole and said second air guide hole are provided on a first side surface and a second side surface opposed to each other through said source lamp of said lamp case, respectively.