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Display control device and display control method

A display control and display device technology, applied to static indicators, cathode ray tube indicators, color TV components, etc., can solve the problem of high cost

Inactive Publication Date: 2008-12-10
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with this method, it may be necessary to prepare a device for displaying copyright protection information using infrared rays or ultraviolet rays, and thus the method is expensive

Method used

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  • Display control device and display control method
  • Display control device and display control method
  • Display control device and display control method

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Embodiment Construction

[0028] Hereinafter, preferred embodiments of the present invention are more clearly described by referring to the accompanying drawings. FIG. 1 is a block diagram showing a configuration example of a main part of a display device to which an embodiment of the present invention is applied. The display device can reproduce and display video images recorded on package media such as DVD, and can receive video contents distributed via a network and display video images; or the display device can be a television receiver, in which case the display device configuration A frame rate converter 1, an area specifying section 2, a masking circuit 3, a display driving circuit 4, a timer 5, and a liquid crystal display 6 are included as related elements according to an embodiment of the present invention. The frame rate converter 1 includes a buffer memory 7 configured to store multi-frame supplied video data, an interpolation frame generator 8, and a buffer memory 9 configured to store mul...

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Abstract

The present invention relates to a display control device and a method thereof for controlling the display. The disclosed display control device includes: means (1) for converting a supplied video signal into a video signal having a higher frame rate, means (2) for displaying two or more frames as one group of the video signal having a higher frame rate converted in partial region of the screen for individual frames of the group, and designating non-display regions of the individual frames in the group so that the video image is displayed in an entire region of the screen by combining all the frames of the group, means (3) for masking the non-display region designated by the means 2 for individual frames of the video signal having a higher frame rate, and means (4) for driving a display means 6 and displaying the video image masked by the means 3. The display device is thus capable of preventing copyright protected video data from being copied by imaging the screen image of the video data at low cost.

Description

technical field [0001] The present invention relates to a display control device and a method of controlling display for preventing copyright-protected video data and the like from being illegally copied by capturing an image displayed on a screen. Background technique [0002] Analog image data recorded on a video tape, optical disc, or hard disk usually deteriorates if the data is copied; however, with digital data, errors of the image can be corrected, and thus the data can be copied without deterioration. Therefore, unnecessarily strict copyright protection is generally applied to the content of video images distributed as package media such as DVD and transmitted via a network, or to digital video data such as digital broadcasting. [0003] As a copyright protection method, there is a process in which data is encrypted at the time of storage and communication so that the data cannot be decrypted without a key even though the data is obtained by a third person; and a pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/66G09G3/20G09G3/36G09G5/00
CPCG09G5/003G09G2340/0414G09G2340/0421G09G2340/0464G09G2340/14G09G2360/18H04N5/913H04N2005/91392G09G3/20G09G3/36G09G5/00
Inventor 松林庆
Owner SONY CORP