Method and apparatus for displaying 3-D image

Details Method and apparatus for displaying 3-D image Method and apparatus for displaying 3-D image

2005-11-25

2008-09-16

Sever, Andrew T (Department: 2851)

Optics: image projectors

Relief illusion

C359S478000, C359S446000

Reexamination Certificate

active

07425072

ABSTRACT:
An apparatus for displaying a 3-D image has a projector, and a projection controller. The projector has a projection optical system, and projects a series of 2-D images on different projected-positions in a depth direction, in order, by using light passing through the projection optical system. Each 2-D image is formed on the basis of section-views of a 3-D object in the depth-direction. The projector repeatedly and successively projects the series of 2-D images so as to cause an afterimage-effect. In the present invention, the projection controller adjusts a projection-timing of the series of 2-D images, and controls the projection optical system in accordance with the projection-timing so as to focus each 2-D image and maintain a magnification of the series of 2-D images constant.

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English Language Abstract of JP 9-091468.
English Language Abstract of JP 11-223822.
English Language Abstract of JP 2000-032415.
English Language Abstract of JP 2000-078616.
English Language Abstract of JP 2001-054144.

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