Projection television apparatus

Details Projection television apparatus Projection television apparatus

2006-06-13

2008-11-11

Mahoney, Christopher (Department: 2862)

Optics: image projectors

Cabinet encloses projector and one side of screen

C353S101000, C353S119000

Reexamination Certificate

active

07448757

ABSTRACT:
A projection television apparatus includes: frame; rear projection screen; and projector unit for emitting image projection light beam onto rear of screen; wherein projector unit includes; illuminating means, image forming means for modulating light beams on basis of image information, and projection lens for projecting image onto screen; optical axis of projection light beam is bent with optical axis of projection lens; part extending from image forming means to projection lens is separated from light source side unit, and part extending from image forming means to projection lens is formed as integrally coupled body into image emergence side unit; support mechanism for supporting image emergence side unit with frame rotatably around optical axis of projection lens along plane orthogonal to optical axis, image adjusting mechanism by rotation for adjusting angle of rotation around optical axis of projection lens, and securing mechanism for image emergence side unit with frame are provided.

REFERENCES:
patent: 6412955 (2002-07-01), Han
patent: 6883920 (2005-04-01), Chen
patent: 2000-10188 (2000-01-01), None

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