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Under 30MHZ errestrial digital digital audio broadcasting receiver teletext printing system and printing method

A broadcast receiver, 30MHZ technology, applied in the direction of digital output to printing unit, broadcast broadcast, transmission system, etc., to achieve the effect of practical and fast application and cost reduction

Inactive Publication Date: 2007-11-14
成都纽斯达电子有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no way to connect the global digital broadcasting receiver with a printer, and directly print out the graphic scenes in the global digital broadcasting

Method used

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  • Under 30MHZ errestrial digital digital audio broadcasting receiver teletext printing system and printing method
  • Under 30MHZ errestrial digital digital audio broadcasting receiver teletext printing system and printing method
  • Under 30MHZ errestrial digital digital audio broadcasting receiver teletext printing system and printing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A graphic printing system (see Fig. 4) of a terrestrial digital audio real-time global digital broadcasting receiver below 30MHZ, the tuner, ADC analog-to-digital converter and digital broadcasting signal decoder connected in sequence are connected with the data of the decoder respectively The decoded data memory and the screen display connected to the output end, the information processor connected with the output end of the decoded data memory, the buffer memory connected with the output end of the information processor, respectively connected with the screen display and the buffer memory The printer interface circuit connected to the output terminal, and the microprocessor control circuit respectively controlling the digital broadcast signal decoder, the decoding data memory, the screen display, the information processor, the buffer memory and the printer interface circuit; in the diagram of the receiver In the text printing system circuit:

[0037] Tuner: AtmelT4260...

Embodiment 2

[0055] A graphic printing system for a terrestrial digital audio broadcasting receiver below 30MHZ, which consists of a tuner, an ADC analog-to-digital converter, and a microprocessor connected in sequence, and a decoder connected to the decoding data output end and input end of the microprocessor respectively. The data memory is composed of the screen display and the buffer memory respectively connected to the print information transmission end of the microprocessor, and the printer interface circuit respectively connected with the screen display and the output end of the buffer memory under the control of the microprocessor . In the graphic printing circuit system of the receiver:

[0056] Tuner: using AtmelT4260BM;

[0057] ADC analog-to-digital converter: using WolfsonWM8731;

[0058] Microprocessor control circuit: the main chip CPU adopts Intel PXA255;

[0059] Digital broadcast signal decoder: it is the application program software stored in the main chip CPU Intel P...

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Abstract

The system includes following parts: ordered connected tuner, A / D converter, and digital broadcast decoder (DBD); decoded data memory (DDM) and display connected to the decoder respectively; information processor (IP) connected to DDM, printer interface circuit (PIC) connected to the display and IP respectively; and microprocessor for controlling DBD, DDM, the display, IP, and PIC. Through processing, the system converts the received ground digital broadcasting graphics context information below 30MHZ into printing information receptible by printer as well as through PIC, transfers the graphics context information to printer to print out needed graphics context for saving. Advantages are: not using computer, practical, shortcut, and low cost.

Description

technical field [0001] The present invention relates to a real-time global digital audio broadcasting receiver, in particular to a graphic printing system and graphic printing method of a terrestrial digital audio broadcasting receiver below 30MHZ. The information is received, and the data is processed by the printer, and then sent to the printer to achieve the purpose of printing out the graphic content in the global digital broadcast receiver. Background technique [0002] At present, with the promotion of the global digital radio (DRM: Digital Radio Mondiale) technology, the traditional medium and short wave analog radio is being replaced by the global digital radio. While the global digital broadcasting technology provides FM-quality sound broadcasting, it can also carry data service information including images, texts, and web pages for audiences to watch. And the audience is very interested in a certain scene when listening to the program often, but this scene often p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/06G06F3/12H04H1/00H04H20/00
Inventor 刘昊春邓顺蓉金乐
Owner 成都纽斯达电子有限责任公司
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