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Digital multimedia broadcast signal receiver

A technology for multimedia broadcasting and receivers, applied in electrical components, sound input/output, transmission systems, etc., can solve the problems that it is impossible to apply digital multimedia broadcasting DMB signal receivers, etc., and achieve the effect of convenient portability, movement and use

Inactive Publication Date: 2006-04-26
LEIJIN ELECTRONIC SHENYANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] However, the current digital multimedia broadcasting DMB signal receiver is installed on a specific machine and made of a built-in type. Therefore, it is necessary to purchase a specific product with a digital multimedia broadcasting DMB signal receiver installed in it to receive digital multimedia broadcasting DMB. , and on existing notebook computers, mobile phones, PDA (Personal digital assistants-personal digital assistants) and other machines, there is a problem that it is impossible to apply digital multimedia broadcasting DMB signal receivers

Method used

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  • Digital multimedia broadcast signal receiver
  • Digital multimedia broadcast signal receiver

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Embodiment Construction

[0030] Below, with reference to accompanying drawing, an embodiment of digital multimedia broadcasting DMB signal receiver of the present invention is described in detail as follows:

[0031] figure 1 It is an outline drawing of an embodiment of the digital multimedia broadcasting DMB signal receiver of the present invention, figure 2 yes means figure 1 In the embodiment of the digital multimedia broadcasting DMB signal receiver shown, it shows a block diagram of its internal structure.

[0032] The digital multimedia broadcasting DMB signal receiver of the present invention is a small, easy-to-carry exterior-mounted product, which can be connected to a PDA, notebook computer, mobile phone and other machines for use, and can be pulled out and carried after use; figure 1 An illustration of a micro card that can be inserted directly into the card slot of a notebook computer, etc.

[0033] Now carefully observe the detailed composition of the digital multimedia broadcasting s...

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Abstract

The invention relates to a portable general signal receiver for digital multimedia broadcast, which comprises: a tuner to select broadcast signal, a A / D converter to converse said signal, a demodulator to demodulate the output signal from converter, a decoder, a interface joint / off out machine directly or by adaptor to send data with at least two formats and receive user demand, and a controller to control whole device by user demand. This invention is convenient to carry and use, and has no relation to multimedia type.

Description

technical field [0001] The present invention relates to a digital multimedia broadcasting signal receiver, in particular to a digital multimedia broadcasting DMB (Digital Multimedia Broadcasting System) which can be connected with machines such as personal computers (notebooks, desktops, etc.), mobile phones, and PDAs in the form of cards. Broadcasting) signal receiver. Background technique [0002] The radio broadcasts currently in use are in analog form and were originally developed for fixed reception only. Therefore, when receiving signals on foot or in a running vehicle, the sound quality drops a lot, and high power and wide frequency are required. [0003] In order to solve the above-mentioned problems, standardization and common use of digital audio broadcasting are being carried out all over the world. Eureka-147 is adopted as the standard of digital audio broadcasting. The name used in Europe is DAB (Digital Audio Broadcasting). In the United States, DAR (Digital ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/06G06F3/16
Inventor 李秀真郑天锡
Owner LEIJIN ELECTRONIC SHENYANG CO LTD