Virtual monitor display technique for augmented reality environments
First Claim
1. An augmented reality type head mountable device comprisinga graphics system interface programmed to accept a video input of at least VGA standard, andat least one micro display, wherein the micro display has a resolution at least equal to that of the said video input, andat least one liquid lens, wherein the liquid lens is placed in an optical path of an image of the said micro display, anda binocular occlusion matrix, anda liquid lens controller, wherein the liquid lens controller is programmed to adjust tilt and focus settings on the at least one liquid lens in such a way as to shift a position of a projected image of the said plurality of the at least one micro display in any direction and wherein the liquid lens controller is programmed to interface with an occlusion matrix control circuit in such a way that said image of said micro display is rendered opaque.
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Abstract
Methods, apparatus, and computer-readable media are described herein related to a virtual monitor display technique for augmented reality environments targeted at allowing a user of a display-enabled computing device to substitute their conventional hardware-realized display screen with a virtualized display screen of equal or better usability characteristics than the hardware-realized device. A virtual screen is rendered via a micro display in an augmented reality environment to a human user wearing a see through head mountable device. The system architecture makes use of liquid lens technology in order to adjust the relative position of the display as well as the focal distance by optical means only thereby ensuring that the virtual screen is rendered at the maximum resolution of the micro display at all times. The system architecture also comprises an occlusion matrix thereby ensuring that the virtual screen is free of ghosting. The system is configured in such a way that a display auto-hide function is triggered whenever certain threshold parameters are exceeded. The virtual monitor display technique described herein has been designed with the aim of reducing the effects simulator sickness during prolonged use of the virtual display.
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Citations
19 Claims
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1. An augmented reality type head mountable device comprising
a graphics system interface programmed to accept a video input of at least VGA standard, and at least one micro display, wherein the micro display has a resolution at least equal to that of the said video input, and at least one liquid lens, wherein the liquid lens is placed in an optical path of an image of the said micro display, and a binocular occlusion matrix, and a liquid lens controller, wherein the liquid lens controller is programmed to adjust tilt and focus settings on the at least one liquid lens in such a way as to shift a position of a projected image of the said plurality of the at least one micro display in any direction and wherein the liquid lens controller is programmed to interface with an occlusion matrix control circuit in such a way that said image of said micro display is rendered opaque.
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5. A method for enabling a wearer of a head mountable device to be presented with a virtualized computer monitor, the method comprising:
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displaying a virtualized computer monitor wherein the virtualized computer monitor is interfaced with a video output source and wherein said video output source is not an integral part of the said head mountable device; and in response to a movement of the head or of the body of said wearer; using a liquid lens controller to shift a retinally projected image of the virtualized computer monitor in a direction selected from the group consisting of;
back, forth, left, right, up and down; andinterfacing said liquid lens controller with an occlusion matrix control circuit in such a way that said retinally projected image is rendered opaque. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A nontransitory computer-readable medium on which are stored program instructions that, when executed by a processor, cause the processor to perform the operations of
controlling at least one liquid lens in such a way that, in response to a head or a body movement of a user of an augmented reality type head mountable device, a retinally projected image of a micro display is repositioned on an axis selected from the group consisting of: - X, Y and Z and;
interfacing a controller for said liquid lens with an occlusion matrix control circuit in such a way that said retinally projected image of said micro display is rendered opaque. - View Dependent Claims (19)
- X, Y and Z and;
Specification