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Display control apparatus and method

A technology for display equipment and display control, applied in the direction of digital output to display equipment, using solid-state color display devices, image reproducers, static indicators, etc., can solve the problem of not being able to display a large number of moving images in real time

Inactive Publication Date: 2004-05-19
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another problem besides this problem is that images with a lot of motion cannot be displayed in real time on a display device with a low update rate unless the resolution of the image data is lower than the vertical resolution of the display device

Method used

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  • Display control apparatus and method
  • Display control apparatus and method
  • Display control apparatus and method

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Experimental program
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Embodiment Construction

[0031] specific implementation plan

[0032] First, refer to figure 1 The display control device of the first embodiment will be described. The display control device consists of a synchronous signal separation unit 11, a PLL (Phase Locked Loop) & VCO (Voltage Controlled Oscillator) unit 12, an A / D (analog / digital) converter 13, an interpolation processing unit 14, a system control unit 15, a motion detection unit 16, a drive control unit 17 and a display control unit 19. The display control device implements display control of the display device 18, and is connected to a host computer (not shown) or the like.

[0033] The structure of each element of the display control device will be described in detail below. The sync signal separating unit 11 receives a video signal composed of an RGB image signal and a composite sync signal, an independent sync signal, and a sync signal such as a sync-on green signal from a host computer or the like. The output video signal is divided...

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PUM

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Abstract

A display control apparatus and a display control method are provided in which a resolution of an input image signal is judged, a change in the image signal is detected, and the image signal is adaptatively interpolated in accordance with the judgement and detection results. A resolution of an input image signal is judged, either a first display mode or a second display mode is selected for the display of the image signal, and the image signal is adaptatively interpolated in accordance with the judgement and selection results. Alternatively, either a computer input signal or a television input signal is input, a resolution of the input signal is judged, and the input signal is adaptatively interpolated in accordance with the selected input and judgement results.

Description

technical field [0001] The present invention relates to a display control device and a display control method for controlling the display of a display device such as a dot matrix display device. Specifically, the present invention relates to a display control device and a display control method capable of displaying an input signal on a display device even if the resolution of the input signal is different from that of the display device. Background technique [0002] CRT display devices of the raster scan type are widely used with host computers such as personal computers and workstations. Recently, flat panel display devices such as liquid crystal flat panel display devices and plasma display devices have attracted attention from the viewpoints of space reduction, energy saving, and ergonomics (methodology of adapting the system to the characteristics of the human body by studying the optimum working environment). Lots of attention. [0003] Between the host computer and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36G06F3/14G06T17/10G09G3/20G09G5/00G09G5/36H04N5/08H04N5/66H04N7/01H04N11/20
CPCG09G5/008G09G2320/103G09G2340/0414G09G5/006G09G2340/0421H04N7/0135
Inventor 须贺和巳
Owner CANON KK