Optical apparatus and projector

Details Optical apparatus and projector Optical apparatus and projector

2007-05-01

2007-05-01

Koval, Melissa J (Department: 2851)

Optics: image projectors

Reflector

C353S119000

Reexamination Certificate

active

11213755

ABSTRACT:
An optical apparatus with plural optical components, including a reflection mirror provided in an optical path of light beams emitted from a light source, and a case for housing the optical components in a predetermined position with respect to the light beams. The optical apparatus has a convex curved surface protruding to the surface of the reflection mirror, and a pair of fixing parts mounted to the back surface of the reflection mirror to sandwich the protruded part therebetween. The case is formed from a component housing member having an opening through which the plural optical components are housed and a lid member for closing the opening. The side wall is provided with fixing grooves to house the reflection mirror in the case and to guide the pair the of fixing parts in placing the reflection mirror in the case.

REFERENCES:
patent: 4657316 (1987-04-01), Hardt et al.
patent: 5520361 (1996-05-01), Lee
patent: 5806940 (1998-09-01), Heirich
patent: 2005/0157276 (2005-07-01), Kitabayashi et al.
patent: A-2000-321661 (2000-11-01), None

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