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Embedded type household network gateway supporting wireless audio and video transmissions

A home network, audio and video technology, applied in transmission systems, network connections, near-field transmission systems, etc., can solve problems such as mutual interference between devices, and achieve stable operation, high-speed real-time monitoring, and high-definition images

Inactive Publication Date: 2010-11-17
PANDA ELECTRONICS GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The narrow wireless channel is widened in the home intranet, and mutual interference between devices is likely to occur

Method used

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  • Embedded type household network gateway supporting wireless audio and video transmissions
  • Embedded type household network gateway supporting wireless audio and video transmissions
  • Embedded type household network gateway supporting wireless audio and video transmissions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0042] Embodiment of Intime's audio and video compression coding chip IME6400 + ATMEL's microprocessor chip AT91RM9200 + Dongda Mobile Internet Co., Ltd.'s 7708 Bluetooth module + Zydas' IEEE802.11g module

[0043] Audio and video compression coding chip 3 adopts chip IME6400 of Intime Company, video A / D decoding chip 5 adopts SAA7111WP of Phillp Company, audio A / D converter 9 adopts CS5334 of CRYSTAL Company, microprocessor 12 adopts AT91RM9200 of ATMEL Company, and its The main frequency is 200MHz, the Bluetooth module 1 adopts the 7708 Bluetooth wireless transceiver module of Dongda Mobile Internet Co., Ltd., IEEE 802.11g module

[0044] 2 adopt Zd1211802.11g module of Zydas Company, data register A4 adopts Micron 8Mbyte SDRAM, MT48LC16M4A2, data register B17 adopts two 16Mbyte SDRAM HY57V281620A of Hynix, flash memory 18 adopts two chips, one is AMD 2Mbyte NorFlash , Am29LV160B, the other is ATMEL’s 2Mbyte Nor Flash, AT49BV322A, the asynchronous serial port driver 19 uses ...

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Abstract

An embedded household network gateway which supports wireless audio and video transmission is capable of enabling a remote user to be connected to a PC on internet; a close user on PDA can, through the invention, wirelessly and uniformly control electric appliances such as a washing machine and an air conditioner, watch audio and video with large flux and high speed transmitted at real time by film and video entertainment equipments such as a digital television, a DVD, play and store at real time the information recorded by video monitoring aids. The network gateway device comprises an audio and video signal processing module, a core module, a Bluetooth module, and an IEEE802.11g module. The audio and video signal processing module is mainly composed of an audio and video compression and encoding chip, a video A / D decoding chip, and an audio A / D converter. The core module, taking a micro-processor as the center, is connected with the audio and video signal processing module through a bus, with the Bluetooth module through a RS232 interface, and with the IEEE802.11g module through a USB interface, and can be connected to the netting twine of a local area network through a Rj45 tie-in.

Description

technical field [0001] The invention can be used for long-distance and short-distance real-time control and access to various electrical equipment in the home, that is, through this equipment, the remote user can connect to the Internet on the PC, and the short-distance user on the PDA, wirelessly Unified control of electrical equipment (such as washing machines, air conditioners, etc.), watching video entertainment equipment (such as digital TV, DVD, etc.) The device belongs to the technical field of home network gateway devices. Background technique [0002] With the development of computer electronic technology and network technology, and the improvement of people's living standards, the concept of home network came into being. A home network is a network system that provides intelligent services in an all-round way, that is, connects various electrical equipment and electrical subsystems through a certain transmission medium inside the home, realizes resource sharing in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/66H04L12/28H04B5/00
Inventor 夏玮玮左旭舟朱立锋胡静沈连丰牟中平
Owner PANDA ELECTRONICS GROUP
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