System and method for providing images for an operator of a vehicle
First Claim
Patent Images
1. A method for providing images for an operator of a vehicle, comprising:
- receiving electrical signals representing electromagnetic radiation at an image source;
generating a visual image based on the electrical signals; and
reflecting different portions of the visual image with a magnifying optical element for presentation at different viewing locations, the visual image appearing as a virtual image;
wherein at least one dimension of the visual image is larger than the magnifying optical element can use to present an image at one of the viewing locations.
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Abstract
A system and method for providing images for an operator of a vehicle include the capability to receive electrical signals representing electromagnetic radiation at an image source and to generate a visual image based on the electrical signals. The system and method further include the capability to reflect different portions of the visual image with a magnifying optical element for presentation at different viewing locations, the visual image appearing as a virtual image, wherein at least one dimension of the visual image is larger than the magnifying optical element can use to present an image at one of the viewing locations.
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Citations
28 Claims
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1. A method for providing images for an operator of a vehicle, comprising:
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receiving electrical signals representing electromagnetic radiation at an image source;
generating a visual image based on the electrical signals; and
reflecting different portions of the visual image with a magnifying optical element for presentation at different viewing locations, the visual image appearing as a virtual image;
wherein at least one dimension of the visual image is larger than the magnifying optical element can use to present an image at one of the viewing locations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
receiving electromagnetic radiation; and
generating the electrical signals that represent the electromagnetic radiation.
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8. The method of claim 1, wherein the electrical signals received at the image source represent infrared radiation from a field-of-view in front of the vehicle.
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9. The method of claim 1, wherein the dimension of the visual image is larger than the magnifying optical element can use to present an image at a substantial portion of the viewing locations in an eye ellipse.
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10. The method of claim 9, wherein the portion is greater than approximately ninety-five percent of the eye ellipse.
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11. A method for providing images for an operator of a vehicle, comprising:
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receiving electrical signals representing electromagnetic radiation at an image source;
generating a visual image based on the electrical signals; and
reflecting different portions of the visual image with a magnifying optical element for presentation at different viewing locations, the visual image appearing as a virtual image;
wherein the total field-of-view of at least one dimension of the virtual image is larger than the field-of-view that the magnifying optical element can present in that dimension at one of the viewing locations. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A system for providing images for an operator of a vehicle, comprising:
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an image source operable to receive electrical signals representing electromagnetic radiation and generate a visual image based on the electrical signals; and
a magnifying optical element operable to reflect different portions of the visual image for presentation at different viewing locations, the visual image appearing as a virtual image;
wherein at least one dimension of the visual image is larger than the magnifying optical element can use to present an image at one of the viewing locations. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A system for providing images for an operator of a vehicle, comprising:
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an image source operable to receive electrical signals representing infrared radiation and generate a visual image based on the electrical signals;
a fold mirror positioned to reflect the visual image; and
an aspheric magnifying reflector positioned to reflect different portions of the visual image for presentation at different viewing locations, the visual image appearing as a virtual image;
wherein the vertical dimension of the visual image is larger than the aspheric magnifying mirror can use to present an image at a substantial portion of the viewing locations in an eye ellipse.
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Specification