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Method for enlarging display of screen display picture

A technology of screen display and picture, applied in TV, color TV parts, electrical components, etc., can solve the problem of difficult identification, and achieve the effect of beautiful lines

Inactive Publication Date: 2007-01-31
LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The screen size of the display channel is gradually enlarged, but in order to display all the above-mentioned text information, the font size of the text must be reduced. Users, it is difficult to recognize the text information because the font of the text information is small

Method used

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  • Method for enlarging display of screen display picture
  • Method for enlarging display of screen display picture
  • Method for enlarging display of screen display picture

Examples

Experimental program
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Embodiment Construction

[0013] The OSD screen enlarged display method of the present invention will be described in detail below with reference to the accompanying drawings.

[0014] figure 1 It is a structural block diagram of a digital broadcast receiver for which the OSD screen enlargement display method is applied in the present invention. Such as figure 1 As shown, it includes the following parts: a control unit 100 responsible for controlling the reception and viewing of TV broadcast signals, and controlling the generation of OSD signals of various text information contained in TV broadcast signals; responsible for inputting operation instructions when the user operates To the command input part 102 of the above-mentioned control part 100; the tuning / demodulation part 106 responsible for receiving and demodulating the TV broadcast signal of the channel controlled by the control part 100 among the TV broadcast signals received by the antenna 104; A demultiplexer 108 that separates audio signal...

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PUM

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Abstract

When a screen shows text information, users can change the position of cursor by controlling the direction knobs then shows the text where the cursor locates with expanded font. When a display instruction of a text is input at the input access, OSD engine obtains its related information from memorizer according to the control of the controller, and then generates and shows the OSD plane on the screen. When the text is showing on the screen, the cursor can be moved according to the signal of direction knobs to expand the text where the cursor locates, which will be inserted into the above OSD plane for showing.

Description

【Technical field】 [0001] The present invention is aimed at broadcast receivers that can receive digital broadcast signals such as digital television receivers and set-top boxes (Set-top Box), and the OSD screen expansion display method of the present invention refers to: displaying on the screen in use (On Screen Display, hereinafter referred to as OSD) In ​​the case of displaying prescribed text information on the screen, the OSD screen enlargement display method is used to expand and display the text information in the area where the cursor is located with an enlarged font. 【Background technique】 [0002] With the development of digital technology, countries around the world are actively realizing the digitization of analog broadcasting. With the digitalization of broadcasting, multi-channel, high-quality and multi-functional will become possible. Broadcasting signal receivers such as digital TVs and set-top boxes that can receive digital TV broadcasting signals, in addit...

Claims

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Application Information

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IPC IPC(8): H04N5/445
Inventor 李相协
Owner LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI