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Control method for searching program channels in receiver for digital program

A technology of program channel and control method, applied in the parts of color TV, parts of TV system, TV, etc., can solve the problems of inconvenience, unable to show programs, searching for program channels, etc.

Inactive Publication Date: 2008-02-27
LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] However, in the case of this conventional program channel search method, only the video screen of the currently searched program channel is reproduced through the single channel search screen window formed on the display screen.
The programs of the previously searched program channels cannot be shown, so there is a problem of how to search for program channels more effectively
[0010] In addition, in order to search for program channels more effectively, even if a plurality of screen windows for channel search are formed on the display screen, in order to display the playback status of each program channel that has been searched in multiple screen windows, multiple tuner, which also brings inconvenience

Method used

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  • Control method for searching program channels in receiver for digital program
  • Control method for searching program channels in receiver for digital program
  • Control method for searching program channels in receiver for digital program

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Embodiment Construction

[0029] Hereinafter, the present invention having the same configuration as described above will be described in detail with reference to the attached drawings.

[0030] That is, FIG. 2 is a schematic diagram of the system configuration of a digital program receiver according to the program channel search control method of the present invention.

[0031] Same as shown in Fig. 2, its composition according to the digital program receiver of the inventive method comprises following device: tuner 10; DEMUX12, video buffer 14, audio buffer 16, data buffer 18, video decoder 20, audio decoding Device 22, keyboard input device 24, data memory 26, video memory 28, control device 30, OSD signal generation device 32, image signal processing device 34 and video synthesis device 36.

[0032] The tuner 10 selects a specific program channel according to a channel selection command from the control device 30, and receives digital TV program signals. The DEMUX 12 is an MPEG transport stream of...

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Abstract

The method includes following steps: to search for program channels in digital television broadcast, the still images in multi program channels appointed by user are recorded; each image corresponds to a channel number in sequence, and then the recorded image will be displayed in sequence on the screen.

Description

【Technical field】 [0001] The present invention relates to a program channel search control method of a digital program receiver. More specifically, according to the present invention, multiple receivable program channels can be searched more effectively in the digital program receiver. 【Background technique】 [0002] As we all know, digital TV program transmission is mainly divided into the North American digital TV method similar to ATSC (Advanced Television System Committee) and the European digital TV method similar to DVB (Digital Video Broadcasting) (DVB-T). According to the different ways of program signal transmission, it can be divided into three types: digital satellite program transmission, digital optical cable program transmission and digital terrestrial wave transmission. [0003] In this kind of digital TV program transmission, in the case of the ATSC method corresponding to the North American digital TV method, the video signal is compressed in the MPEG-2 stan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/445H04N5/44H04N21/41
Inventor 李在灿
Owner LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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