CN2829014Y

CN2829014Y - Vehicle multimedia device

Info

Publication number: CN2829014Y
Application number: CN 200520103238
Authority: CN
Inventors: 谢享奇
Original assignee: Genesys Logic Inc
Current assignee: Genesys Logic Inc
Priority date: 2005-08-05
Filing date: 2005-08-05
Publication date: 2006-10-18
Anticipated expiration: 2015-08-05

Abstract

The utility model relates to an automobile multimedia device. The utility model comprises a player data bus bar, a player I/O interface, a microprocessor, a memory unit, a USB controller, a buffer memory card a multimedia storage card interface, wherein the player data bus bar and the player I/O interface are connected with an automobile media player which is a video or voice media player; the microprocessor control the output, input and storage of player media data, and the USB controller, the buffer and the multimedia storage card interface form together a USB data transmission and connection interface which is respectively connected with a USB connector and a card reading interface through the USB controller and the multimedia storage card interface so as to connect the outside. A video or voice storage device, a flash storage card or a flash memory in the mode of a USB interface outputs multimedia video or voice data to the automobile media player to be played, or the play data of the automobile media player is downloaded and stored in the video or voice storage device, the flash storage card or the flash memory in the mode of the USB interface.

Description

Automobile multimedia device

One, technical field

The utility model relates to multimedia device, relates in particular to a kind of be applied in image or acoustic medium player in the automobile, the automobile multimedia device with the broadcast of output medium data or downloading and playing data storage.

Two, background technology

Automobile is one of widely used traffic means of transport, especially living standard progressively improve and vehicle popularity rate trend of rising under, everybody has the hope of car to be no longer a dream.Yet in the outfit that automotive interior is paid attention to, except the actuation means of the powered vehicle of relying, the audio-visual playback equipment of automotive interior also is an indispensable ring.

The audio-visual playback equipment of existing automotive interior, as DVD, apparatus for media playing such as VCD or audiotape card casket player, only have image and sound Storage Media such as DVD laser disc, the function that data in image such as VCD laser disc or audiotape and the sound Storage Media is broadcasted, and can't be in conjunction with other multimedia devices that often carries, as the MP3 player, carry-on dish, notebook computer, mobile phone, personal information assistor (PDA), digital camera, digital media devices such as recording pen carry out fit applications, make that the function flow what of the audio-visual playback equipment of existing automobile is dull, can't further improve automobile and take advantage of a person operational requirements and medium to enjoy quality.

Three, utility model content

Fundamental purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and a kind of automobile multimedia device is provided, it comprises player data bus, player I/O interface, microprocessor, memory cell, USB controller, impact damper, Multi Media Card interface; This player data bus and player I/O interface are connected in the automobile media player, automobile media player is image or acoustic medium player, microprocessor to the player media article export into and store and to control, the USB controller, common data transmission and the linkage interface that forms a USB in impact damper and Multi Media Card interface, link a USB connector and Card Reader interface respectively by USB controller and Multi Media Card interface, for the multimedia image or sound storage device and flash memory cards or the flash memory component that externally connect USB interface form, multimedia image or audio document exported to play in the automobile media player or the data that automobile media player is play downloaded be stored in USB multimedia image or sound storage device and flash memory cards or the flash memory component, have two-way media transmission access facility.

The purpose of this utility model is realized by following technical scheme.

The utility model automobile multimedia device is characterized in that, comprising:

One player data bus is connected to a data bus of an automobile media player;

One player I/O interface is connected to an I/O interface of an automobile media player;

One microprocessor, connect player data bus and player I/O interface, form two-way data by this player data bus, player I/O interface with automobile media player and be connected, this microprocessor has data formats conversion, material upload or downloads the function that stores control;

One memory cell connects microprocessor, provides the program of microprocessor, data to keep in;

One USB controller, connect microprocessor, and externally connect the digital media device of USB interface form, so that the data of digital media device is uploaded to that automobile media player is play or is stored by image, audio document to the digital media device of automobile media player downloading and playing through microprocessor;

One impact damper connects microprocessor and USB controller, provides the great mass of data buffering temporary;

One Multi Media Card device, connect impact damper and microprocessor, and externally connect a flash memory cards, flash memory, so that the data of flash memory cards, flash memory is uploaded to that automobile media player is play or is stored by image, audio document to flash memory cards, the flash memory of automobile media player downloading and playing through microprocessor.

Aforesaid automobile multimedia device, wherein microprocessor connects a keyboard.

Aforesaid automobile multimedia device, wherein microprocessor connects TW two wire tandem transmission interface, three-wire type tandem transmission interface and the general asynchronism transceiver of using.

Aforesaid automobile multimedia device, wherein three-wire type string transport interface and generally connect a fingerprint image scanner with the asynchronous transmission device.

Aforesaid automobile multimedia device, wherein microprocessor connects a NAND FLASH interface and an IDE interface.

Aforesaid automobile multimedia device, wherein NAND FLASH interface connects a NANDFLASH storage unit.

Aforesaid automobile multimedia device, wherein the IDE interface connects a hard disc.

Aforesaid automobile multimedia device, wherein memory cell is a Synchronous Dynamic Random Access Memory.

Aforesaid automobile multimedia device, wherein the USB controller connects a USB connector.

Aforesaid automobile multimedia device, wherein the Multi Media Card interface externally connects a card interface.

The useful technique effect of the utility model automobile multimedia device is to improve the shortcoming and the problem of the unidirectional and simple function operation of existing automobile audio/video media player; The MP3 player that the utility model can be carried in conjunction with automobile driver or passenger, digital media devices such as dish, notebook computer, mobile phone, personal information assistor, digital camera, recording pen are as the image or the sound playing data source that cooperate automobile audio/video media player with oneself, perhaps the playing video of automobile audio/video media player or audio document are downloaded and be stored in this digital media device, can carry out the purpose that the transmitted in both directions store automobiles is play the audio/video media data thereby reach.

Four, description of drawings

Fig. 1 is the utility model first embodiment square circuit diagram.

Fig. 2 is the utility model second embodiment square circuit diagram.

Major label description in figure: 100 automobile multimedia devices, 10 player data bus, 20 player I/0 interfaces, 30 microprocessors, 31 keyboards, 32 TW two wire tandem transport interface, 33 three-wire type tandem transport interface, the 34 general asynchronism transceivers of using, 80 is NAND FlASH interface, 90 is the IDE interface, 43 memory cells, 50 is the USB controller, 51 is USB connector, 60 impact dampers, 70 Multi Media Card interfaces (MHE), 71 card interfaces, 210 data bus, 220 is the I/O interface, 230 playout center controllers, 300 fingerprint scan devices, 400 is NAND FLASH storage unit, 500 hard discs.

Five, embodiment

Consult shown in Figure 1, be first embodiment of the utility model automobile multimedia device 100, this automobile multimedia device 100 comprises a player data bus 10, player I/0 interface 20, microprocessor 30, memory cell 40, USB controller 50, impact damper 60 and Multi Media Card interface (MHE) 70; Wherein, this player data bus 10 and player I/O interface 20 correspondences are connected in the data bus 210 and I/O interface 220 of an automobile media player 200, the form of this automobile media player 200 is not limit, be example with a DVD player in the utility model, other also belong to application category of the present utility model as VCD player or audio cassette player.

Above-mentioned automobile media player 200 has a playout center controller 230, control is as the broadcast of DVD medium, this data bus 210 and I/O interface 220 connect playout center controller 230, to carry out the output or the input of control data by playout center controller 230, the control and the circuit connection structure at 230 pairs of data bus 210 of this playout center controller and I/O interface 220 belong to prior art, no longer give unnecessary details.

Above-mentioned player data bus 10 and player I/O interface 20 connect by this data bus 210 and I/O interface 220 and carry out with the playout center controller 230 of automobile media player 200 that data is two-way to be connected.

Microprocessor 30 has the media article transmission and stores control function, inner burning has format conversion, transmission and the storage control program of media article, this microprocessor 30 connects this player data bus 10 and player I/O interface 20, receives or transmit playout center controller 230 data of automobile media player 200 by player data bus 10 and player I/O interface 20.

Memory cell 40 connects microprocessors 30, and to provide microprocessor 30 required data or the temporary function of programs, the form of this storer 40 is not limit, and serve as that embodiment is described with Synchronous Dynamic Random Access Memory (SDRAM) in the utility model.

Above-mentioned USB controller 50, impact damper 60 and Multi Media Card interface 70 are connected in series in regular turn and are connected to form the USB interfacial structure, and this USB controller 50, impact damper 60 and Multi Media Card interface 70 are connected with microprocessor 30 respectively, be subjected to the control action of microprocessor 30, this USB controller 50 connects a USB connector 51, USB connector 51 provides the multimedia device of USB interface form, as MP3 player, the digital media device connection of USB interfaces such as dish, notebook computer, mobile phone, personal information assistor (PDA), digital camera, recording pen with oneself; Image or audio document can be carried out playback process through the playout center controller 230 that microprocessor 30, player data bus 10, player I/O interface 20 are uploaded to automobile media player 200 by this USB controller 50, perhaps according to reverse path with image or the audio document of playing in the playout center controller 230 be downloaded to this MP3 player, the digital media device of USB interfaces such as dish, notebook computer, mobile phone, personal information assistor, digital camera, recording pen stores in connecting with oneself.

Above-mentioned impact damper 60 provides the great mass of data pooling feature, be connected with this Multi Media Card interface 70, make Multi Media Card interface 70 become a Card Reader interface, this Multi Media Card interface 70 externally connects a card interface 71, the connection card-reading function of flash memory or flash memory cards is provided by card interface 71, pass through Multi Media Card interface 70 so that be connected the flash memory cards or the flash memory at card interface 71, microprocessor 30, player data bus 10 and player I/O interface 20 connect the playout center controller 230 of automobile media player 200, carry out image or sound playing operation quickflashing is recalled in the playout center controller 230 that image in card or the flash memory or audio document be uploaded to automobile media player 200, perhaps the broadcast data of the playout center controller 230 of automobile media player 200 is downloaded in flash memory cards or the flash memory and stores according to reverse path.

Consult shown in Figure 2, second embodiment for the utility model automobile multimedia device 100, store user's fingerprint image data in this memory cell 40, microprocessor 30 connects a keyboard 31, TW two wire tandem transport interface (I2C) 32, three-wire type tandem transport interface (SP1) 33, one general asynchronism transceiver (UART) 34, NAND FlASH interface 80 and the IDE interface 90 used, this keyboard 31 provides input to upload to play or download the operational order that stores to microprocessor 30, plays or download store operation to carry out above-mentioned material upload.

TW two wire tandem transport interface 32 shown in Figure 2, three-wire type tandem the transport interface 33 and one general transmission structure that forms a tandem image document with asynchronism transceiver 34, this three-wire type tandem transport interface 33 and general with asynchronism transceiver 34 connections one fingerprint scan device 300, can provide fingerprint image to scan the function of input by fingerprint scan device 300, can compare with the fingerprint image data that is pre-stored in the memory cell 40, whether can enable various media articles and upload the function of playing or downloading storage so that microprocessor 30 is judged the back decision, form effect as code-locked.

Above-mentioned NAND FLASH interface 80 and IDE interface 90 provide a NAND FLASH storage unit 400 and a hard disc 500 to connect respectively, each digital media device with each USB interface of being connected by

microprocessor

30 and 50 pairs of USB connector 51 of USB controller carries out two-way material upload or downloads storage application, for example: the electronic chart of GPS is uploaded in the carry-on dish of USB interface form and stores, in the same manner, also can pass through microprocessor 30, impact damper 60, Multi Media Card interface 70 and card interface 71 provide NAND FLASH storage unit 400, flash sheet that hard disc 500 is connected with this card interface 71 or the material upload between flash memory or download memory function.

The USB OTG that relates among the utility model embodiment is meant Universal Serial Bus On-the-Go; USB is universal serial bus, and OTG is meant a kind of USB master controller of simplification, and limited master control function can be provided, realization is without computer, two external device (ED)s of direct point-to-point connection, but the function of connected networks can't be replaced, be replenishing of USB standard specification.

NAND FLASH interface that relates among the utility model embodiment and NAND FLASH storage unit, wherein NAND FLASH is the Sheffer stroke gate flash memory.

Automobile multimedia device of the present utility model shown in above Fig. 1 to Fig. 2, the related description that is disclosed and graphic wherein, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of automobile multimedia device is characterized in that, comprising:

One player data bus is connected to a data bus of an automobile media player;

One player I/O interface is connected to-an I/O interface of automobile media player;

One microprocessor connects player data bus and player I/O interface, forms two-way data by this player data bus, player I/O interface with automobile media player and is connected;

One USB controller connects microprocessor, and externally connects the digital media device of USB interface form;

One impact damper connects microprocessor and USB controller, and the buffering of giving information is temporary;

One Multi Media Card device connects impact damper and microprocessor, and externally connects a flash memory cards, flash memory.

2, automobile multimedia device according to claim 1 is characterized in that, described microprocessor connects a keyboard.

3, automobile multimedia device according to claim 1 is characterized in that, described microprocessor connects TW two wire tandem transmission interface, three-wire type tandem transmission interface and the general asynchronism transceiver of using.

4, automobile multimedia device according to claim 3 is characterized in that, described three-wire type string transport interface and generally connect a fingerprint image scanner with the asynchronous transmission device.

5, automobile multimedia device according to claim 1 is characterized in that, described microprocessor connects NAND FLASH circle and reaches an IDE interface.

6, automobile multimedia device according to claim 5 is characterized in that, described NANDFLASH interface connects a NAND FLASH storage unit.

7, automobile multimedia device according to claim 5 is characterized in that, described IDE interface connects a hard disc.

8, automobile multimedia device according to claim 1 is characterized in that, described memory cell is a Synchronous Dynamic Random Access Memory.

9, automobile multimedia device according to claim 1 is characterized in that, described USB controller connects a USB connector.

10, automobile multimedia device according to claim 1 is characterized in that, described Multi Media Card interface externally connects a card interface.