Optical apparatus and projector

Details Optical apparatus and projector Optical apparatus and projector

2006-06-06

2006-06-06

Dowling, William C. (Department: 2851)

Optics: image projectors

Lens support

C353S101000, C353S119000

Reexamination Certificate

active

07055970

ABSTRACT:
Aspects of the invention can provide an optical apparatus having a supporting portion of an enclosure for optical components that is formed with a groove which is reduced in width in the opposite direction from the extending direction of the supporting portion, that is, toward a curved portion. A flange of a projection lens to be installed on the supporting portion can be formed with a notch. Postural adjustment of the projection lens can be performed according to a projecting image which is projected on rear screens from the projecting lens. When a flat-head screwdriver is inserted into the notch and the groove and is turned, the flat-head screwdriver can come into abutment with the peripheral edge of the notch of the flange of the projection lens and the peripheral edge of the groove of the supporting portion. Accordingly, the flange of the projection lens can move on the supporting portion and the postural adjustment of the projection lens can be achieved.

REFERENCES:
patent: 6854848 (2005-02-01), Fujimori et al.
patent: 6961165 (2005-11-01), Uehara
patent: 6981772 (2006-01-01), Kim
patent: 2002/0180895 (2002-12-01), Choi
patent: 2003/0025844 (2003-02-01), Suzuki
patent: 2005/0117127 (2005-06-01), Jang
patent: A 2001-222081 (2001-08-01), None
patent: A 2003-075696 (2003-03-01), None
patent: A 2003-202479 (2003-07-01), None

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