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Projection system and method of projecting multiple images

A projection system and image technology, applied in the direction of optical filters for photography, photography, wide-screen photography, etc., can solve the problems of printing, gel can not withstand high temperature and high light intensity, and the maximum optical density of dyes is limited to high light intensity. and other issues, to achieve the effect of convenient manufacturing method

Active Publication Date: 2014-09-10
BARCO NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Regular photographic film is not suitable as the gel cannot withstand high temperatures and high light intensity without loss of performance
[0010] Known printing techniques generally suffer from two important drawbacks, namely the limited maximum optical density of current dyes and the limited tolerance of current dyes to the high light intensities involved
Also, one cannot simply print directly on glass

Method used

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  • Projection system and method of projecting multiple images
  • Projection system and method of projecting multiple images
  • Projection system and method of projecting multiple images

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Embodiment Construction

[0036] 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. The dimensions and relative dimensions do not correspond to actual reductions for the practice of the invention.

[0037] In addition, terms in the specification and claims first, second and third etc. are used to distinguish similar elements, and not necessarily to describe an order in time, space, rank, or in any other way. 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.

[0038] Furthermore, terms used in this specificat...

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Abstract

The present invention relates in part to a print method for an arbitrary grey scale image on a transparent substrate such as glass. The present invention makes use of a printer that can print in continuous grey tones. The printed material should be transparent and resistant to the light which passes through it in a projection system. The present invention also provides a continuous grey scale filter made by a printing techniques using liquid inks or toners. Such a continuous grey scale filter can be used for blending multiple images in a multichannel projector system. The present invention also provides a multichannel projector system using the continuous grey scale filter.

Description

technical field [0001] The present invention relates to projection systems and methods for projecting multiple images and continuous tone filters for use in multi-channel projection systems. Background technique [0002] One drawback of light valve projectors is a certain amount of light leakage in the black state, ie a fully black image is not black but a very dark gray, indicating a limitation in contrast. This is especially problematic in display systems utilizing at least two projectors to compose the image. figure 1 An example is given in . exist figure 1 In , projector (proj) 1 on the left is shown rear projecting the first image onto half of the display screen. The other half of the image is projected by the projector on the right. [0003] The first is to stitch the two images into a single image, but due to projector misalignment and projection lens errors, this will always result in annoying dark or light seams in the image, such as figure 2 That is illustrat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B11/00G03B21/13G02B5/20G03B37/04
CPCG03B11/00G03B37/04G02B5/205B05D3/007G03B21/13G03B21/26
Inventor K·韦梅尔什
Owner BARCO NV
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