Projector

Details Projector Projector

2005-04-19

2005-04-19

Nguyen, Judy (Department: 2851)

Optics: image projectors

Housing

C353S122000

Reexamination Certificate

active

06880938

ABSTRACT:
A projector according to the present invention is capable of simplifying a shield structure, sufficiently avoiding electromagnetic interference and reducing size thereof by highly densely installing the components thereof, the projector having a power source block (31) having a power source board (31B) installed with a transformer, a converter for converting an output of the transformer etc., the power source board (31B) being accommodated in a case member (31A) composed of metal for shielding electromagnetic wave from the installed circuit components, where a lower shield (33) is disposed to cover the case member (31A), the lower shield (33) having a support portion (31C) projecting upward from four corners on the upper side thereof and a light source driving block fixing portion (31F) extending downward from a front portion thereof, the support portion (31C) supporting a control board (5), the light source driving block fixing portion (32) fixing a light source driving block (32).

REFERENCES:
patent: 5806952 (1998-09-01), Fujimori
patent: 6520648 (2003-02-01), Stark et al.
patent: 6592226 (2003-07-01), Fujimori
patent: 20030020884 (2003-01-01), Okada et al.
patent: 20030137640 (2003-07-01), Nakano et al.
patent: 20030174288 (2003-09-01), Nakano
patent: A 8-304739 (1996-11-01), None

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