Digital broadcast reception device and digital broadcast reception method

A technology of digital broadcasting and receiving devices, which is applied in the direction of TV, color TV parts, TV system parts, etc. It can solve the problems of unresolved time and achieve the effect of shortening the time of analysis and drawing

Inactive Publication Date: 2012-05-02
PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, the problem about the time required until the analysis and drawing of the data of the data broadcast described in BML remains unsolved

Method used

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  • Digital broadcast reception device and digital broadcast reception method
  • Digital broadcast reception device and digital broadcast reception method
  • Digital broadcast reception device and digital broadcast reception method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0066] image 3 It is a block diagram showing a configuration of a digital broadcast receiving apparatus according to Embodiment 1 of the present invention.

[0067] like image 3 As shown, the digital broadcast receiving apparatus 100 includes: an antenna unit 101, a channel selection unit 102, a demodulation unit 103, a received signal separation unit 104, an audio signal processing unit 105, an audio output unit 106, a video signal processing unit 107, a video / data Composition unit 108 , video output unit 109 , BML data management unit 110 , BML data storage unit 111 , browser unit 112 , layout control unit 113 , screen holding unit 114 , video position information holding unit 115 , and user instruction unit 116 .

[0068] The antenna unit 101 receives broadcast waves of digital broadcasts transmitted from respective broadcast stations, and supplies the received digital broadcast signals to the channel selection unit 102 .

[0069] The channel selection unit 102 selects,...

Embodiment approach 2

[0123] Figure 7 It is a block diagram showing the configuration of a digital broadcast receiving apparatus according to Embodiment 2 of the present invention. right and image 3 The same structural parts are assigned the same reference numerals, and the description of the overlapping parts is omitted.

[0124] like Figure 7 As shown, the digital broadcast receiving apparatus 200 includes: an antenna unit 101, a channel selection unit 102, a demodulation unit 103, a received signal separation unit 104, an audio signal processing unit 105, an audio output unit 106, a video signal processing unit 107, a video / data synthesis unit 108, video output unit 109, BML data management unit 110, BML data extraction unit 210, BML data storage unit 111, browser unit 112, layout control unit 113, screen holding unit 114, video position information holding unit 115, and The user instructs the unit 116 .

[0125] The digital broadcast receiving apparatus 200 is image 3 On the basis of t...

Embodiment approach 3

[0139] Figure 10 It is a block diagram showing the configuration of a digital broadcast receiving apparatus according to Embodiment 3 of the present invention. right and Figure 7 The same structural parts are assigned the same reference numerals, and the description of the overlapping parts is omitted.

[0140] like Figure 10 As shown, the digital broadcast receiving apparatus 300 includes: an antenna unit 101, a channel selection unit 102, a demodulation unit 103, a received signal separation unit 104, an audio signal processing unit 105, an audio output unit 106, a video signal processing unit 107, a video / data Composition unit 108, video output unit 109, BML data management unit 110, BML data update determination unit 310, BML data extraction unit 210, BML data storage unit 111, browser unit 112, layout control unit 113, screen holding unit 114, video Position information holding unit 115 , and user instruction unit 116 .

[0141] The digital broadcast receiving appa...

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PUM

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Abstract

Disclosed are a digital broadcast reception device and a digital broadcast reception method which can quickly present a data broadcast presentation screen once a user instructs that data broadcast be presented. The digital broadcast reception device (100) is provided with a screen holding unit (114) which stores pictures (bitmaps) of data broadcast presentation screens created by a browser unit (112), and a video position information holding unit (115) which stores position information for displaying TV video on the data broadcast presentation screen generated by the browser unit (112). When a data broadcast presentation request is received from the user, a layout control unit (113) first displays a data broadcast presentation screen comprised of a combination of a bitmap of a data broadcast presentation screen stored in the screen holding unit (114) and position information stored in the video position information holding unit (115), then, the browser unit (112) switches the screen to a data broadcast presentation screen created after the data broadcast presentation request was received from the user.

Description

technical field [0001] The present invention relates to a digital broadcast receiving apparatus capable of receiving data broadcast and a digital broadcast receiving method. Background technique [0002] In digital broadcasting, in addition to video and audio-based television broadcasting and audio broadcasting services, data broadcasting services are also provided. Data broadcasting services refer to all services including EPG (Electronic Program Guide, Electronic Program Guide) or subtitles, teletext subtitles, downloading, and multimedia data broadcasting services other than television broadcasting. Next, the multimedia data broadcasting service will be explained. [0003] In multimedia data broadcasting services (hereinafter referred to as data broadcasting), various presentation media such as characters, graphics, still images, video, and audio are combined to form information and broadcast. The digital broadcast receiving apparatus synthesizes and controls these pres...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/472H04N5/445H04N21/426H04N21/431H04N21/435H04N21/488
CPCH04N21/84H04N21/4312H04N21/8146
Inventor 横山亮冈敏夫高桥正树
Owner PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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