Projector apparatus

Details Projector apparatus Projector apparatus

1996-11-22

1998-06-09

Lee, Michael H.

Television

Video display

Projection device

348779, 348781, H04N 574

Patent

active

057643121

ABSTRACT:
A projector apparatus which assures easier fine and rough adjustment of a swing and tilt angle, includes inclination rings which are formed symmetrically with respect to the center line of the aperture and is provided with at least two or more continuous inclined surfaces of predetermined inclination angle in both sides of the center line on one surface, a ring supporting member for supporting the inclined surfaces of the inclination rings and a ring guide for assisting rotation of the inclination rings wherein the inclination rings are arranged in such a condition that the other surfaces where the inclined surfaces are not formed are provided opposed with each other.

REFERENCES:
patent: 5045930 (1991-09-01), Hasegawa
patent: 5422692 (1995-06-01), Nishiki
patent: 5506629 (1996-04-01), Kawahara et al.
patent: 5537167 (1996-07-01), Toide et al.
patent: 5585867 (1996-12-01), Ooya

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