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Method and device for sifting and correcting dynamic burning print protection

A dynamic and mobile technology, applied in color TV parts, TV system parts, TV and other directions, can solve the problems of affecting the projection gun, influence, etc., and achieve the effect of improving burn protection.

Inactive Publication Date: 2004-09-29
INT BUSINESS MASCH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of projection televisions, burn-in has the potential to affect the projection gun and, to a lesser extent, the projector lens

Method used

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  • Method and device for sifting and correcting dynamic burning print protection
  • Method and device for sifting and correcting dynamic burning print protection
  • Method and device for sifting and correcting dynamic burning print protection

Examples

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Embodiment Construction

[0014] Referring now to the accompanying drawings, Figure 1A and 1B An example of a typical TV screen format is illustrated. Particularly, Figure 1A Describes a standard format screen with a 4:3 aspect ratio. Figure 1B Describes a widescreen format with an aspect ratio of 16:9.

[0015] Many times, visual media is only available in one format. If the aspect ratio of the screen does not match the media format, the content of the media is displayed in a portion of the screen. Typically, the rest of the screen will be filled with a solid color, such as black.

[0016] Figure 2A and 2B Example of a typical TV screen showing an incompatible media format, illustrating no image movement for burn-in protection. E.g, Figure 2A Describes a widescreen format image displayed on a standard screen. The media content is displayed in the center of the screen and black bars appear in unused areas at the top and bottom of the screen. Figure 2B Describes a standard format image di...

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PUM

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Abstract

The present invention provides improved burnout imprinting prevention by slowly moving the position of screen content to ensure that no one area of the guns is unused for a long period of time. Optical and / or mechanical elements are provided to redirect the projected image to the center of the screen. As the image moves on the projection guns the optical elements are positioned accordingly to shift the projected image such that the viewable image is fixed.

Description

technical field [0001] This invention relates to projection televisions, and in particular, to burn-in printing protection. More particularly, the present invention provides a method and apparatus for dynamic burn-in protection using motion correction. Background technique [0002] Television sets are available in two popular screen formats. The standard format is a 4:3 aspect ratio, meaning that the screen is 4 units wide and 3 units high. In contrast, the normal widescreen format has an aspect ratio of 16:9, which is wider than the standard format. Because of these two common aspect ratios, visual media also typically have a standard or widescreen format. [0003] Many times, however, visual media is only available in one format. If the aspect ratio of the screen does not match the media format, the content of the media is displayed in a portion of the screen. Typically, the rest of the screen will be filled with a solid color, such as black. Black is a special color...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N3/20H04N3/227
CPCH04N3/227Y10S348/913H04N3/20
Inventor 托马斯·A·贝尔伍德勒吉姆·A·巴斯泰罗朱利奥·E·鲁阿诺马修·F·鲁特科夫斯基
Owner INT BUSINESS MASCH CORP