Projection type image display with adjustable lens holding...

Details Projection type image display with adjustable lens holding... Projection type image display with adjustable lens holding...

2006-04-18

2006-04-18

Perkey, W. B. (Department: 2851)

Optics: image projectors

Lens support

C353S119000, C353S122000, C353S024000, C359S440000, C359S813000, C359S819000

Reexamination Certificate

active

07029132

ABSTRACT:
Adjustment of the illumination range to a liquid crystal panel of a liquid crystal projector requires time in fixing upon adjustment and accordingly it is an object to make the adjustment effectively. In an adjustment mechanism of the illumination range of illumination means to the liquid crystal panel in an optical engine unit of the liquid projector, the spring property is provided in a lens holder for holding a lens and the lens is temporarily held by friction of the spring portion to the optical engine case after adjustment. Then, the adhesion processing is made to complete the adjustment.

REFERENCES:
patent: 6247817 (2001-06-01), Ogawa et al.
patent: 2000-2932 (2000-01-01), None
patent: 2001-264726 (2001-09-01), None
patent: 2003-75696 (2003-03-01), None

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