Projector with a plurality of cameras

Details Projector with a plurality of cameras Projector with a plurality of cameras

2007-06-05

2007-06-05

Mahoney, Christopher (Department: 2851)

Optics: image projectors

Lens support

Lens position adjustable

C353S007000

Reexamination Certificate

active

11054317

ABSTRACT:
A projector having a plurality of cameras for adjusting the focus of projected images, correcting projected images that are distorted and correcting projected images to match the outer profile of a screen if the screen is used as a projection object. The projector having a projection device, a projection lens, a focus adjuster, a zoom adjuster, an imager having the plurality of cameras for capturing respective images of a projection object a projection area calculator for calculating a projection area of an image depending on the distance from the projection lens based on the zoomed position from the zoom adjuster, a three-dimensional position detector for detecting the three-dimensional position of a predetermined object point corresponding to identical object points in the respective images captured by the cameras, and a distance detector for detecting the distance up to the object point from the three-dimensional position of the predetermined object point.

REFERENCES:
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patent: 7004590 (2006-02-01), Kitabayashi
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patent: WO 2002/067050 (2002-08-01), None

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