Volumetric display system enabling user interaction
First Claim
Patent Images
1. A volumetric display system comprising:
- a volumetric display arranged to generate a light field;
transformation optics comprising at least a lower parabolic mirror disposed opposite to an upper parabolic mirror, the lower parabolic mirror and upper parabolic mirror forming an optical cavity and being arranged to generate an image of the first light field spatially separated from the light field; and
a sensing apparatus arranged at the lower parabolic mirror of the optical cavity and arranged to optically detect a user interaction with the image of the light field via the transformation optics, the sensing apparatus being further arranged to detect a height position of the user, the volumetric display being arranged to generate the light field based on the height position, the volumetric display being further arranged to adjust a refresh rate based on a viewing angle for the user and to include a reflection image of at least part of the user in the light field.
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Abstract
A volumetric display system which enables user interaction is described. In an embodiment, the system consists of a volumetric display and an optical system. The volumetric display creates a 3D light field of an object to be displayed and the optical system creates a copy of the 3D light field in a position away from the volumetric display and where a user can interact with the image of the object displayed. In an embodiment, the optical system involves a pair of parabolic mirror portions.
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Citations
16 Claims
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1. A volumetric display system comprising:
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a volumetric display arranged to generate a light field; transformation optics comprising at least a lower parabolic mirror disposed opposite to an upper parabolic mirror, the lower parabolic mirror and upper parabolic mirror forming an optical cavity and being arranged to generate an image of the first light field spatially separated from the light field; and a sensing apparatus arranged at the lower parabolic mirror of the optical cavity and arranged to optically detect a user interaction with the image of the light field via the transformation optics, the sensing apparatus being further arranged to detect a height position of the user, the volumetric display being arranged to generate the light field based on the height position, the volumetric display being further arranged to adjust a refresh rate based on a viewing angle for the user and to include a reflection image of at least part of the user in the light field. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A volumetric display comprising:
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a projector; a diffuser with a directional filter rotatable in front of the projector, wherein the projector is arranged to project a sequence of different images onto the diffuser in synchronization with an angle of rotation of the diffuser; an optical system comprising at least a lower portion of a parabolic mirror opposite an upper portion of the parabolic mirror, the lower portion of the parabolic mirror opposite the upper portion of the parabolic mirror forming an optical cavity and arranged to perform a spatial translation of a light field generated by the projector and the diffuser to generate an image of the light field; an optical sensor arranged in the lower portion of the optical cavity and arranged to detect a position of a user relative to the volumetric display, wherein at least one image of the sequence of different images is selected based on the detected position of the user, the optical sensor being further arranged to detect a viewing height position of the user, the at least one image of the sequence of different images selected based on the viewing height position; and a sensing apparatus arranged in the lower portion of the optical cavity, wherein the sensing apparatus is arranged to optically detect a user interaction with the image of the light field via the optical system, the projector being further arranged to adjust a refresh rate based on a viewing angle for the user and to include a reflection image of at least part of the user in the sequence of different images. - View Dependent Claims (11, 12, 13)
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14. A system comprising:
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a volumetric display; transformation optics comprising at least a lower parabolic mirror opposite an upper parabolic mirror forming an optical cavity and arranged to generate an image of a 3D light field generated by the volumetric display, wherein the image of the 3D light field is spatially separated from the 3D light field generated by the volumetric display; and sensing apparatus located within the lower parabolic mirror of the optical cavity and arranged to optically detect a user interaction with the generated image, the sensing apparatus being further arranged to detect a viewing height of a user performing the user interaction, the volumetric display generating the 3D light field based on the viewing height, the volumetric display adjusting a refresh rate based on a viewing angle for the user and including a reflection image of at least part of the user in the 3D light field. - View Dependent Claims (15, 16)
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Specification