US 12,542,890 B2 · System and method for 3-D projection and enhancements for interactivity

Abstract

A system projects a user-viewable, computer-generated or -fed image, wherein a head-mounted projector is used to project an image onto a retro-reflective surface, so only the viewer can see the image. The projector is connected to a computer that contains software to create virtual 2-D and or 3-D images for viewing by the user. Further, one projector each is mounted on either side of the user's head, and, by choosing for example a retro angle of less than about 10 degrees, each eye can only see the image of one of the projectors at a given distance up to 3 meters, in this example, from the retro-reflective screen. The retro angle used may be reduced with larger viewing distance desired. These projectors use lasers to avoid the need for focusing, and in some cases these projectors use instead of lasers highly collimated LED light sources to avoid the need for focusing.

Claims23

Dependent claims

A head mounted device, comprising:

a mounting frame, including:
one or more light sources that are configured to scan one or more portions of light towards a user, wherein one or more other portions of the light are scanned away from the user;
one or more sensors that are configured to detect one or more movements of a head or an eye of the user based on one or more reflections of the one or more other portions of the light from the user;
a user interface configured to display one or more objects to the user, wherein the one or more of the detected movements of the user are employed to determine one or more interactions of the user with the one or more objects;
and
using the one or more detected movements to identify an off-center view by one or more eyes of the user that is employed to automatically adjust the display to compensate for one or more of a vertical disparity or a horizontal disparity of the one or more objects in the user interface.

3 more elements

A computer readable non-transitory storage media that includes instructions for operation of a head mounted device, wherein execution of the instructions by one or more processors causes actions, comprising:

employing one or more light sources that are configured to scan one or more portions of light towards a user, wherein one or more other portions of the light are scanned away from the user;
employing one or more sensors that are configured to detect one or more movements of a head or an eye of the user based on one or more reflections of the one or more other portions of the light from the user;
employing a user interface configured to display one or more objects to the user, wherein the one or more of the detected movements of the user are employed to determine one or more interactions of the user with the one or more objects;
and
using the one or more detected movements to identify an off-center view by one or more eyes of the user that is employed to automatically adjust the display to compensate for one or more of a vertical disparity or a horizontal disparity of the one or more objects in the user interface.

2 more elements

Dependencies are inferred from the claim text.

System and method for 3-D projection and enhancements for interactivity

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System and method for 3-D projection and enhancements for interactivity

Life of this patent

Abstract

Claims23