Projector for adjusting a projected image size and luminance...

Details Projector for adjusting a projected image size and luminance... Projector for adjusting a projected image size and luminance...

2006-09-19

2006-09-19

Perkey, W. B. (Department: 2851)

Optics: image projectors

Distortion compensation

C353S030000, C348S745000, C348S747000

Reexamination Certificate

active

07108379

ABSTRACT:
A projector includes a housing, an image module for projecting onto a screen toward a front side, a detecting module for detecting distances from the projector to the front side and from the projector to the back side, a processor for adjusting luminance of the projected image from the image module based on the distances from the projector to the front side and from the projector to the back side.

REFERENCES:
patent: 4954962 (1990-09-01), Evans et al.
patent: 5114224 (1992-05-01), Miyamoto et al.
patent: 5455647 (1995-10-01), Fujiwara
patent: 6292171 (2001-09-01), Fu et al.
patent: 6554431 (2003-04-01), Binsted et al.
patent: 2004/0184013 (2004-09-01), Raskar et al.
patent: 2005/0128437 (2005-06-01), Pingali et al.

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