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Collimated visual display system

A technology of visual display and collimation optics, which is applied in the directions of instruments, transportation and packaging, optical components, etc., can solve problems such as astigmatism that is not explained, and achieve the effect of good resolution and good resolution uniformity.

Inactive Publication Date: 2021-03-16
TREALITY SVS BELGIUM BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Also, it doesn't say how to control astigmatism

Method used

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  • Collimated visual display system
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Examples

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Embodiment Construction

[0065] The present invention will be described with respect to particular embodiments and with reference to certain drawings but the invention is not limited thereto but only by the claims. The drawings described are only schematic and non-limiting. In the drawings, the size of some of the elements may be exaggerated and not drawn on scale for illustrative purposes. When the term "comprising" is used in the present description and claims, it does not exclude other elements or steps. Furthermore, the terms first, second, third, etc. in the description and claims are used to distinguish similar elements and not necessarily to describe a sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and that the embodiments of the invention described herein are capable of operation in other sequences than described or illustrated herein.

[0066] The terms "about" or "approximately" or "sufficiently" and the ...

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Abstract

The present invention provides a back-projection screen, a spherical mirror reflecting an image on the back-projection screen to be viewed by a viewer located in the design eye point, wherein the back- projection screen is configured to provide a collimated beam to a viewer located in the design eye point, characterized in that a single projector illuminates the back-projection screen to provide the image on the back-projection screen, a freeform mirror located between the back-projection screen and the projector is configured to map all the pixels of the projector to the back-projection screen such that the resolution of the projector is sufficiently uniform on the back- projection screen.

Description

technical field [0001] The present invention relates to a collimated visual display system using a single projector to illuminate the entire field of view with an optically warped mirror, and to a method of designing a freeform mirror. Background technique [0002] Large collimated displays with collimating mirrors and radii ranging from 7 feet to 12 feet have been widely used in analog applications. When multiple people (pilot and co-pilot...) are in the cockpit (as opposed to an aircraft with only one person in the cockpit), these mirrors create a virtual out-of-window image for the pilot and co-pilot of the aircraft. These virtual images surround the pilot / co-pilot and appear to be transmitted from a distance by the collimating action of the collimating mirror. When the image is sufficiently collimated, the pilot and co-pilot see virtually the same image from different viewpoints, just like in an actual aircraft. [0003] These large collimated displays traditionally us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/01G03B21/10G03B21/28G03B21/60G09B9/32
CPCG02B27/0101G03B21/10G03B21/28G03B21/60G09B9/326B64D43/00G02B27/30G02B2027/013G02B2027/0196
Inventor 彼得·德·梅尔莱尔P-J·布斯查尔特盖坦·农奎戴维·洛贝勒蒂姆·万·霍尔尼克
Owner TREALITY SVS BELGIUM BV
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