Information system and method for providing information using a holographic element
First Claim
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1. A light-based information system, comprising:
- a first holographic element positioned to refract light, at a first one or more characteristic discrete wavelengths, incident from an environment, wherein the first one or more characteristic discrete wavelengths correspond to a refraction on a first concave side of a first surface constructed according to a curvature of a first rotationally symmetrical ellipsoid;
an optical scanning device positioned to detect the refracted light from the first holographic element and to generate a perceived field of vision;
an optical projection device positioned to receive the perceived field of vision and to produce a modified perceived field of vision; and
a second holographic element positioned to refract the modified perceived field of vision, at a second one or more characteristic discrete wavelengths, so as to generate an optical output, wherein the second one or more characteristic discrete wavelengths correspond to a refraction on a second concave side of a second surface constructed according to a curvature of a second rotationally symmetrical ellipsoid.
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Abstract
An information system and a method for providing information in correlation with light that is incident on an eye includes a holographic element disposed in front of the eye and a device capable of recording optical signals which detects light that is incident on the eye via the holographic element. The device capable of recording optical signals detects light which is diffracted by the holographic element before the light impinges on the eye such that the diffracted light does not enter the eye.
54 Citations
18 Claims
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1. A light-based information system, comprising:
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a first holographic element positioned to refract light, at a first one or more characteristic discrete wavelengths, incident from an environment, wherein the first one or more characteristic discrete wavelengths correspond to a refraction on a first concave side of a first surface constructed according to a curvature of a first rotationally symmetrical ellipsoid; an optical scanning device positioned to detect the refracted light from the first holographic element and to generate a perceived field of vision; an optical projection device positioned to receive the perceived field of vision and to produce a modified perceived field of vision; and a second holographic element positioned to refract the modified perceived field of vision, at a second one or more characteristic discrete wavelengths, so as to generate an optical output, wherein the second one or more characteristic discrete wavelengths correspond to a refraction on a second concave side of a second surface constructed according to a curvature of a second rotationally symmetrical ellipsoid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of using a light-based information system, comprising:
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positioning a first holographic element to refract light incident from an environment, at a first one or more characteristic discrete wavelengths, wherein the first one or more characteristic discrete wavelengths correspond to a refraction on a first concave side of a first surface constructed according to a curvature of a first rotationally symmetrical ellipsoid; positioning an optical scanning device to detect the refracted light from the first holographic element and to generate a perceived field of vision; positioning an optical projection device to receive the perceived field of vision and to produce a modified perceived field of vision; and positioning a second holographic element to refract the modified perceived field of vision, at a second one or more characteristic discrete wavelengths, so as to generate an optical output, wherein the second one or more characteristic discrete wavelengths correspond to a refraction on a second concave side of a second surface constructed according to a curvature of a second rotationally symmetrical ellipsoid. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A light-based information system, comprising:
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a structure for mounting on a head; a first holographic element positioned in the structure to refract light, at a first one or more characteristic discrete wavelengths, incident from an environment, wherein the first one or more characteristic discrete wavelengths correspond to a refraction on a first concave side of a first surface constructed according to a curvature of a first rotationally symmetrical ellipsoid, the first ellipsoid having a first focal point that coincides with an eye'"'"'s optical center when the structure is mounted on the head; an optical scanning device positioned in the structure to detect the refracted light from the first holographic element and to generate a perceived field of vision; an optical projection device positioned in the structure to receive the perceived field of vision and to produce a modified perceived field of vision; and a second holographic element positioned in the structure to refract the modified perceived field of vision, at a second one or more characteristic discrete wavelengths, so as to generate an optical output, wherein the second one or more characteristic discrete wavelengths correspond to a refraction on a second concave side of a second surface constructed according to a curvature of a second rotationally symmetrical ellipsoid, the second ellipsoid having a first focal point that coincides with the eye'"'"'s optical center when the structure is mounted on the head. - View Dependent Claims (18)
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Specification