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Video display system, information processing apparatus, and video display apparatus

An information processing device and video display technology, which is applied in the direction of digital output to display equipment, image communication, static indicator, etc. The effect of error detection

Inactive Publication Date: 2012-11-28
FUJITSU CLIENT COMPUTING LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no interchangeability in the combination of an information processing device and a video display device conforming to the DVI and HDMI specifications

Method used

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  • Video display system, information processing apparatus, and video display apparatus
  • Video display system, information processing apparatus, and video display apparatus
  • Video display system, information processing apparatus, and video display apparatus

Examples

Experimental program
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Embodiment Construction

[0046] First, a comparative example for comparison with the embodiment of the present invention will be described below, and then the embodiment of the present invention will be described based on the comparative example.

[0047] figure 1 It is a block diagram showing a video display system as a comparative example. in the figure 1 Only the parts for comparison with the characteristic parts of the present invention are shown, and illustration and description of other components are omitted. In addition, it handles similarly in each figure which shows embodiment of this invention mentioned later. Moreover, in the figure 1 In , in order to clearly show this comparative example, "C" is attached to each symbol.

[0048] Should figure 1 The illustrated video display system 1C has an information processing device 10C and a video display device 20C. The video display device 20C has a connector 21C and a cable 22C that are combined with a connector 11C on the information proces...

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PUM

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Abstract

Disclosed are an information processing apparatus which generates and outputs video signals, a video display apparatus which is connected to the information processing apparatus and displays video based on the video signals received from the information processing apparatus, and a video display system which comprises the information processing apparatus and video display apparatus. In order to halt and resume video display without delay and prevent faulty operation, display prohibit instruction signals are output from the information processing apparatus toward the video display apparatus through a signal line by which connection signals indicating that the video display apparatus is connected to the information processing apparatus are sent to the information processing apparatus. During that time, pseudo-connection signals are generated so that the video display apparatus is not deemed to be disconnected from the information processing apparatus.

Description

technical field [0001] The present application relates to an information processing device that generates and outputs a video signal, a video display device that is connected to the information processing device and displays a video based on a video signal received from the information processing device, and a video display system including these information processing devices and the video display device. Background technique [0002] The technical progress of digital video display devices is extremely remarkable. At first, the English digital display and resolution were only about 320×200 dots, but now the personal computers of ordinary families are connected with high-density digital video display devices of 1920×1080 dots. There are also technologies of 8192×4320 and 7680×4320 in specifications. However, information processing devices have not been able to display such a high-resolution display from the very beginning. [0003] In particular, in a personal computer, a b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/433H04N21/41G09G5/00
CPCG09G2370/22G09G2370/04G06F3/14G09G2370/12G09G5/006H04N21/4122H04N21/4333G09G5/00
Inventor 佐久间繁夫
Owner FUJITSU CLIENT COMPUTING LTD