Wall hanging apparatus for projection apparatus

Details Wall hanging apparatus for projection apparatus Wall hanging apparatus for projection apparatus

2007-03-20

2007-03-20

Koval, Melissa Jan (Department: 2851)

Optics: image projectors

Composite projected image

Reflector between lamp and screen

C353S119000, C353S122000

Reexamination Certificate

active

10952802

ABSTRACT:
A wall hanging apparatus for a projection apparatus comprises a fixing seat installed at the lower surface of the projection apparatus, supporting arm whose lower end is fixed on the surface of the fixing seat and reflection mirror fixed at the upper end of the supporting arm and corresponded to a projection lens of the projection apparatus. Whereby, the projection apparatus can have both the portability of a prone type projection apparatus and space saving characteristic of a ceiling hanging type projection apparatus and can be used in an indoor space with a lower height to allow the usage of the projection apparatus is diversified. And, a trapezoid deformation of an image caused from the deviation of the angle of incidence can be modified effectively and quickly by adjusting the angle of the reflection mirror.

REFERENCES:
patent: 1447902 (1923-03-01), Sell
patent: 3940209 (1976-02-01), Portner et al.
patent: 6357886 (2002-03-01), Miyabukuro
patent: 6929371 (2005-08-01), Saito
patent: 2003/0234335 (2003-12-01), Umberg
patent: 2004/0211872 (2004-10-01), Dittmer et al.
patent: 2005/0035253 (2005-02-01), Rixom
patent: 2005/0248729 (2005-11-01), Drucker et al.

Affiliated with

Also associated with

Rating

Wall hanging apparatus for projection apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Wall hanging apparatus for projection apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wall hanging apparatus for projection apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3800417