Projection apparatus, ceiling hanging hardware for...

Details Projection apparatus, ceiling hanging hardware for... Projection apparatus, ceiling hanging hardware for...

2006-03-14

2009-11-24

Lee, Diane I (Department: 2851)

Optics: image projectors

Temperature control

Blower

C353S060000, C353S061000, C353S121000, C353S119000

Reexamination Certificate

active

07621643

ABSTRACT:
A projection apparatus includes a projector including a cooling fan which cools the inside of a main unit through an air hole provided in the main unit and ceiling hanging hardware including a bracket having an external cooling fan which faces the air hole and whose air-flow direction coincides with that of the air hole. The projector is mounted on the ceiling hanging hardware while hanging from the ceiling hanging hardware.

REFERENCES:
patent: 2005/0001988 (2005-01-01), Sample et al.
patent: 2006/0072080 (2006-04-01), Perkins et al.
patent: 4-6038 (1992-01-01), None
patent: 09130713 (1997-05-01), None
patent: 9-166964 (1997-06-01), None
patent: 63-157227 (1998-10-01), None
patent: 2003-29764 (2003-01-01), None
patent: 2004-184768 (2004-07-01), None
Japanese Office Action dated Mar. 17, 2009 (2 pages), and English translation thereof (2 pages), issued in counterpart Japanese Application Serial No. 2005-077243.

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