CN102665005A - Wireless multimedia terminal - Google Patents

Abstract

The invention relates to a wireless multimedia terminal. The terminal comprises a dual core processor, and a wireless fidelity (WIFI) module, a worldwide digital cordless telecommunication (WDCT) module, an infrared communication module, a power management module, a battery module, a double data rate (DDR) module, an NANDFLASH module, a Mini secure digital memory card (SD) interface module, a keyboard module, an audio processing module, a liquid crystal display (LCD) module, a high definition multimedia interface (HDMI) display module, a first camera, a second camera, a USB module and a touch screen module which are connected with the dual core processor. According to the wireless multimedia terminal, a dual core chip is utilized to guarantee that functions of the wireless multimedia terminal are efficiently and reliably achieved, and the cost is greatly reduced; simultaneously, the interference of the coexistence of the WIFI and the WDCT is overcome, and the simultaneous output and display of the HDMI and the LCE is achieved; the terminal provides not only video enjoyment for family entertainment and usual recreation, but also services for business navigation and instant messaging.

Description

Wireless multimedia terminal

Technical field

The present invention relates to support the integration of three networks information terminal, utilize WIFI and WDCT technology to be connected the hand-hold wireless multimedia terminal of telecommunications and television network broadcast.

Background technology

Along with the application of the communication technology with popularize, the integration of three networks has become trend of the times.Three nets are meant telecommunications network, broadcasting and television network, the Internet; The integration of three networks be exactly at these three kinds of networks in broadband communication network, digital tv network, Next Generation Internet evolution process; Its technical application reaches unanimity; Network is shared, and multiple services such as voice and video conversation, radio and television and data resource are provided for the user.

The product that is directed to the integration of three networks at present is numerous, is mostly to utilize wire accessing interconnected network or Broadcasting Cable Network.Surplus too much for handheld terminal like this, the while has also restricted the portability of handheld terminal.There is not at present integrated wireless to insert the multimedia terminal of the Internet, broadcasting and television network and telecommunications network as yet.

Summary of the invention

The purpose of this invention is to provide the wireless multimedia terminal that a kind of fusion three Netcoms letter and multimedia messages were handled, provided wireless access telecommunications network, broadcasting and television network and the Internet, the portable practicality of enhancing, load multiple function.

The object of the invention is realized through following technical scheme:

Wireless multimedia terminal comprises being used for system operation, multimedia messages is handled and the communication information is handled dual core processor, and characteristics are: also comprise the WIFI module that links to each other with dual core processor and be used to be connected the Internet,

Be used to connect the WDCT module of broadcasting and television network and telecommunications network,

Be used to provide the infrared communication module of infrared communication,

Be used to provide the power management module of multiple intelligent power management and Charge Management,

Be used to provide the battery module of system power supply,

Be used to provide the DDR module of high-speed internal memory,

Be used to provide the NAND FLASH module of nand flash memory,

But the Mini SD interface module that is used for extension storage,

Be used to provide the Keysheet module of keyboard,

Be used to provide the audio processing modules of multi-path voice processing and voice selecting,

Be used to provide the LCD LCD display module of demonstration,

Be used to provide the HDMI HDMI display module of demonstration,

Be used to provide first camera of video calling,

Be used to provide second camera of video shooting,

Be used to provide the USB module of system power supply and transfer of data.

Further, above-mentioned wireless multimedia terminal also comprises the touch screen module that links to each other with the dual core processor signaling interface through the I2C bus.

Further; Above-mentioned wireless multimedia terminal; Said dual core processor is that model is the chip of DMW96, and one of them is the ARM A8 processor that is used for system's operation and multimedia messages processing for a dual core processor, and another is to be used for the ARM9 processor that the communication information is handled.Said power management module is that model is the DP52DE chip, and the input of power management module connects the voltage output end of USB module and battery module, and the output of power management module connects dual core processor.Said USB module is the micro usb interface module.Said WDCT module links to each other with dual core processor through pcm bus.Said Keysheet module is connected with the keyboard interface of dual core processor.Said audio processing modules links to each other with dual core processor through audio-frequency bus, and the audio signal output end of audio processing modules links to each other with loudspeaker, loud speaker and earphone respectively, and audio signal input end links to each other with microphone.Said Mini SD interface module links to each other with dual core processor through the SDIO bus.Said LCD display module links to each other with dual core processor through 24bits displayout holding wire, and the HDMI display module links to each other with dual core processor through the HDMI transponder.

Substantive distinguishing features and obvious improvement that technical scheme of the present invention is outstanding are mainly reflected in:

1. the present invention supports wireless connections three nets, has at first improved portability, and next has reduced user's line requirement; Insert the machine tool of broadcasting and television network WDCT by the WDCT module and realize being connected, insert the PSTN machine tool and realize being connected with telecommunications network with broadcasting and television network; Utilize the WIFI module to insert the Internet;

2. the primary processor of dual core processor is used to handle multimedia messages, also has a processor to be specifically designed to communication, has improved the complete machine performance, can let the user in the process of communication, enjoy smooth multimedia messages processing procedure; Adopt low-power consumption DDR module and power management chip, highlighted the advantage of intelligent terminal;

3. this terminal provides WIFI and two kinds of short haul connection modes of WDCT, because both frequency ranges are identical, have certain coexistence interference problem, but for communication performance is provided, this terminal is provided with receiving and dispatching mechanism, lets coexistence disturb Effect on Performance is reduced to minimum;

4. except normal liquid crystal display output, this terminal also provides HDMI high definition output interface; Can in terminal display screen output, export high-definition signal to another display by HDMI again, the real pair display functions of realizing;

5. this terminal not only can also provide service for commercial affairs navigator, instant messaging for home entertaining, leisure at ordinary times provide audio-visual enjoyment; Employing is a kind of handhold portable terminal of supporting multimedia messages processing, data and voice communication based on the LUNIX operating system of ARM and the framework of Android platform, can be used for family and commercial affairs, for users have solved actual property problem.

Description of drawings

Below in conjunction with accompanying drawing technical scheme of the present invention is described further:

Fig. 1: structural representation of the present invention.

Embodiment

As shown in Figure 1, wireless multimedia terminal comprises being used for thedual core processor 1 that system's operation, multimedia messages processing and the communication information are handled; Link to each other with dual core processor and be used to be connected theWIFI module 17 of the Internet 20, be used to connect the WDCTmodule 18 of broadcasting andtelevision network 21 andtelecommunications network 22, be used to provide theinfrared communication module 19 of infrared communication; Be used to provide the power management module 11 of multiple intelligent power management and Charge Management, be used to provide thebattery module 10 of system power supply, be used to provide the DDR module 6 of high-speed internal memory; Be used to provide the NAND FLASH module 7 of nand flash memory; But the Mini SD interface module 8 that is used for extension storage is used to provide theKeysheet module 5 of keyboard, is used to provide multi-path voice to handle and theaudio processing modules 12 of voice selecting; Be used to provide the LCD LCD display module 3b of demonstration; Be used to provide the HDMIHDMI display module 3a of demonstration, be used to provide the first camera 2a of video calling, be used to provide the second camera 2b of video shooting; Be used to provide the USB module 9 of system power supply and transfer of data, and pass through thetouch screen module 4 that the I2C bus links to each other with the dual core processor signaling interface.

Wherein,dual core processor 1 is that model is the chip of DMW96, and one of them is the ARM A8 processor that is used for system's operation and multimedia messages processing for a dual core processor, and another is to be used for the ARM9 processor that the communication information is handled.

Power management module 11 is that model is the DP52DE chip; The input of power management module connects the voltage output end of USB module and battery module; The output of power management module connects dual core processor; Directly give dual core processor and each module for power supply of system through this module output different voltages with different, and system power dissipation is managed.

USB module 9 is the micro usb interface module, directly by its voltage end system is supplied power, and realizes USB TOG function, and promptly main equipment can be done by system, also can make slave unit.

The communication module that is used to connect three nets comprisesWIFI module 17 andWDCT module 18;WIFI module 17 mainly is to carry out the transmitting-receiving and the digital-to-analogue conversion of WIFI radiofrequency signal; Directly be connected, through the dual core processor interface digital signal transferred to dual core processor and handle with dual coreprocessor.WDCT module 18 is used to receive and dispatch the WDCT signal, connects the WDCT machine tool of telecommunications network and the WDCT machine tool of broadcasting and television network, and communicating by letter with dual core processor through pcm bus is connected.WIFI module 17 is used to connect the Internet 20, and WDCTmodule 18 is used to connecttelecommunications network 22 or broadcasting andtelevision network 21.

Keysheet module 5 is connected with the keyboard interface of dual core processor.

Audio processing modules 12 links to each other withdual core processor 1 through audio-frequency bus, and the signal that carries out voice communication through the networking telephone, PSTN and radio and television is to receive through WIFI module and WDCT module, gets intodual core processor 1 and transfers to the audio processing modules processing.The audio signal output end of audio processing modules links to each other with loudspeaker 14, loud speaker 15 and earphone 16 respectively, and selects through the output of switch control audio signal; Its audio signal input end links to each other with microphone 13.

The peripheral device stores module comprises low-power consumption DDR module 6, NAND FLASH module 7 and Mini SD interface module 8, and low-power consumption DDR module 6 is to be used for movable storage device, and is low in energy consumption.The input of NAND FLASH module 7, output signal are to be connected with the dual core processor signaling interface with control signal, and erasable program is convenient, and user's operability is provided.Mini SD interface module 8 is connected withdual core processor 1 through the SDIO bus, for the user provides extendible movable storage device.

LCD display module 3b links to each other withdual core processor 1 through 24bits displayout holding wire, andHDMI display module 3a links to each other withdual core processor 1 through the HDMI transponder.When LCD shows, can software control HDMI high definition export second display screen to, realize that double screen shows simultaneously.

The first camera 2a is preposition camera, can carry out video calling, and the second camera 2b is rearmounted camera, is used for taking and video recording.

In sum, the present invention supports wireless connections three nets, has at first improved portability, and next has reduced user's line requirement; Insert the machine tool of broadcasting and television network WDCT by the WDCT module and realize being connected, insert the PSTN machine tool and realize being connected with telecommunications network with broadcasting and television network; Utilize the WIFI module to insert the Internet.

The primary processor of dual core processor is used to handle multimedia messages, also has a processor to be specifically designed to communication, has improved the complete machine performance, can let the user in the process of communication, enjoy smooth multimedia messages processing procedure; Adopt low-power consumption DDR module and power management chip, highlighted the advantage of intelligent terminal.

This terminal provides WIFI and two kinds of short haul connection modes of WDCT, because both frequency ranges are identical, have certain coexistence interference problem, but for communication performance is provided, this terminal is provided with receiving and dispatching mechanism, lets coexistence disturb Effect on Performance is reduced to minimum.

Except normal liquid crystal display output, this terminal also provides HDMI high definition output interface.Can in terminal display screen output, export high-definition signal to another display by HDMI again, the real pair display functions of realizing.

With the DMW96 dual core processor is core; Low-power consumption DDR, NAND FLASH are memory device; Be equipped with multimedia Processing Interface such as CODEC, TFT LCD, HDMI output etc., camera input; Touch-screen and button are the man-machine interface input interface in addition, are connected the Internet, telecommunications network and broadcasting and television network with WDCT through WIFI, expand memory space through external SD card.This terminal not only can also provide service for commercial affairs navigator, instant messaging for home entertaining, leisure at ordinary times provide audio-visual enjoyment.Employing is a kind of handhold portable terminal of supporting multimedia messages processing, data and voice communication based on the LUNIX operating system of ARM and the framework of Android platform, can be used for family and commercial affairs, for users have solved actual property problem.

What need understand is: the above only is a preferred implementation of the present invention; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (10)

1. wireless multimedia terminal comprises being used for system's operation, multimedia messages is handled and the communication information is handled dual core processor, it is characterized in that: also comprise the WIFI module that links to each other with dual core processor and be used to be connected the Internet,

Be used to connect the WDCT module of broadcasting and television network and telecommunications network,

Be used to provide the infrared communication module of infrared communication,

Be used to provide the power management module of multiple intelligent power management and Charge Management,

Be used to provide the battery module of system power supply,

Be used to provide the DDR module of high-speed internal memory,

Be used to provide the NAND FLASH module of nand flash memory,

But the Mini SD interface module that is used for extension storage,

Be used to provide the Keysheet module of keyboard,

Be used to provide the audio processing modules of multi-path voice processing and voice selecting,

Be used to provide the LCD LCD display module of demonstration,

Be used to provide the HDMI HDMI display module of demonstration,

Be used to provide first camera of video calling,

Be used to provide second camera of video shooting,

Be used to provide the USB module of system power supply and transfer of data.

2. wireless multimedia terminal according to claim 1 is characterized in that: also comprise the touch screen module that links to each other with the dual core processor signaling interface through the I2C bus.

3. wireless multimedia terminal according to claim 1; It is characterized in that: said dual core processor is that model is the chip of DMW96; One of them is the ARM A8 processor that is used for system's operation and multimedia messages processing for a dual core processor, and another is to be used for the ARM9 processor that the communication information is handled.

4. wireless multimedia terminal according to claim 1; It is characterized in that: said power management module is that model is the DP52DE chip; The input of power management module connects the voltage output end of USB module and battery module, and the output of power management module connects dual core processor.

5. wireless multimedia terminal according to claim 1 is characterized in that: said USB module is the micro usb interface module.

6. wireless multimedia terminal according to claim 1 is characterized in that: said WDCT module links to each other with dual core processor through pcm bus.

7. wireless multimedia terminal according to claim 1 is characterized in that: said Keysheet module is connected with the keyboard interface of dual core processor.

8. wireless multimedia terminal according to claim 1; It is characterized in that: said audio processing modules links to each other with dual core processor through audio-frequency bus; The audio signal output end of audio processing modules links to each other with loudspeaker, loud speaker and earphone respectively, and audio signal input end links to each other with microphone.

9. wireless multimedia terminal according to claim 1 is characterized in that: said Mini SD interface module links to each other with dual core processor through the SDIO bus.

10. wireless multimedia terminal according to claim 1 is characterized in that: said LCD display module links to each other with dual core processor through 24bits displayout holding wire, and the HDMI display module links to each other with dual core processor through the HDMI transponder.

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