Projector with air cleaning functionality

Details Projector with air cleaning functionality Projector with air cleaning functionality

2007-06-05

2007-06-05

Perkey, W. B. (Department: 2851)

Optics: image projectors

Temperature control

C353S055000, C353S056000, C353S057000, C353S060000, C353S061000, C348S748000, C349S161000, C362S264000, C362S294000, C362S345000, C362S373000

Reexamination Certificate

active

10986275

ABSTRACT:
A projector with air cleaning functionality is equipped with a negative ion generator. The negative ion generator is positioned along a cooling airflow route of the projector and is adjacent to a lamp module. A photo-catalyst sheet, which is stimulated by ultraviolet light emitted from the lamp module, can produce the negative ions quickly. The air, which is circulated along the cooling airflow route, carries the negative ions out of the projector so as to clean air in the surroundings.

REFERENCES:
patent: 6103111 (2000-08-01), Kakamu et al.
patent: 2002/0140907 (2002-10-01), Fujimori
patent: 2003-195420 (2003-07-01), None
Translation of JP Patent No. 2003-195420.

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