Interactive projection system and method

Details Interactive projection system and method Interactive projection system and method

2007-09-25

2007-09-25

Dowling, William C. (Department: 2851)

Optics: image projectors

Composite projected image

C353S094000, C353S029000

Reexamination Certificate

active

11243625

ABSTRACT:
A method and system of selectively projecting images is disclosed. An illuminated area is created on a projection surface by directing a light source to the projection surface. The illuminated area is detected with a camera. Electrical signals are transmitted from the camera to the projector, the electrical signals being indicative of the position of the illuminated area in relation to the projection surface. Based on the received electrical signals, an image and a second image are projected on the projection surface. The image is projected on the illuminated area of the projection surface. The second image is projected on an area of the projection surface that is not illuminated by the light source. Applications of this method and system include the projection of background and foreground images creating the illusion of an x-ray beam, the projection of a normal image and an overblown image creating the illusion of a magnifying light beam.

REFERENCES:
patent: 7227611 (2007-06-01), Hull et al.
patent: 2004/0102247 (2004-05-01), Smoot et al.
patent: 2005/0168448 (2005-08-01), Simpson

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