CN2632770Y - Walkman player with FLASH storage card as information as media - Google Patents

Abstract

The utility model relates to and discloses a personal stereo player that applies FLASH memory card as the information media. The utility model comprises a data read in device, a standard ATAPI or ID E bus port, a MPEG decoding chip and a multimedia device which is applied to play video image and AV audio, which are sequentially and electrically connected. The utility model is characterized in that: the data read in device comprises a port converting circuit and a card socket that is connected with the port converting circuit and which is applied to insert in FLASH memory card. The player will be able to display audio and visual without mechanical movement only after storing visual and audio data that is with the same format with DVD disc or other media data on the FLASH memory card. The utility model consumes less electricity power and the playing is more smooth and stable due to the size advantages of the information media and the information reading device. The utility model is with small size and is convenient to carry.

Description

Available FLASH storage card is done the carry-on audiovisual player of information media

Technical field

The utility model relates to audio-visual equipment, especially relates to a kind of carry-on audiovisual player that can read and play the video/audio data with certain format in the FLASH storage card that is stored in multiple blocking formula in advance.

Background technology

At present, the audiovisual player mainly is DAB, video or the compound video/audio information of reading pre-stored in CD or tape, and decode, reduce and finally broadcast video image or audio sound by certain information format that it is identified, its information media is the data that are stored in CD or the tape.Because CD or tape all have mechanical rotation, thereby the most power consumption of these audiovisual players, the also full-electronic operation easier damage of product and bulky relatively, also inconvenience is carried.Flash is that a kind of electricity that can onlinely carry out is erasable, the semiconductor memory that information is not lost after the power down, have characteristics such as low-power consumption, high capacity, erasable speed are fast, inside can embed algorithm and finish operation to chip, thereby has obtained using widely in digital information processing system.

The utility model content

The technical problems to be solved in the utility model is, be how to provide a kind of volume little, portable audiovisual playback equipment, this reproducing device can read multiple blocking formula FLASH storage card, as data carrier, do not have when realize playing that machinery rotates, power consumption is little and more not fragile with the data in the storage card.

The above-mentioned technical matters of the utility model solves like this, construct a kind of available FLASH storage card and do the carry-on audiovisual player of information media, comprise the data reader unit that order is electrically connected, standard A TAPI or IDE bus interface, mpeg decode chip and be used for the displaying video image and the multimedia device of AV audio frequency, it is characterized in that, described data reader unit comprises interface conversion circuit and coupled, be used to insert the card socket of FLASH storage card, the interface conversion circuit other end connects described standard A TAPI or IDE bus interface, and described standard A TAPI or IDE bus interface are provided by the mpeg decode chip.

The player that provides according to the utility model, it is characterized in that, can add a standard A TAPI or IDE bus connecting interface connects inner described standard A TAPI or the IDE bus interface connects at the shell of player, the selected cell that described data reader unit can also comprise the external DVD driver that is connected with inner described standard A TAPI or IDE bus interface by described connecting interface and be used for reading control between the card socket of described insertion FLASH storage card and external DVD driver can keep original DVD dvd playback function.

The player that provides according to the utility model, it is characterized in that, described FLASH storage card can be multiple blocking formula, comprises in Multi Media card, Smart Media card, Compact Flash card, SD card, Memory Stick or the USB card one or more; Described card socket can comprise one or more.

Player according to the utility model provides is characterized in that, described interface conversion circuit comprises and is connected standard A TAPI that described card socket and decoding chip provide or 1304 cake cores of the KTC company that is used for interface conversion between the IDE bus interface; Described 1304 cake cores and decoding chip can be integrated in the circuit, also can be connected with the external perimysium reference connecting line by two respective socket, will block socket and interface conversion circuit is independent, and a FLASH control panel is set in addition.

Player according to the utility model provides is characterized in that, described mpeg decode chip is the chip of SUNPLUS company.

Player according to the utility model provides is characterized in that, described multimedia device comprises the LCD color screen.

The carry-on audiovisual player that implementing the utility model provides is provided with one in addition and reads the FLASH control panel, the socket that can insert multiple standard FLASH card is set on this plate, FLASH card by special use reads in conversion chip, the data of FLASH card are read, and convert the STD bus standard to and link to each other with decoding chip, decoding chip obtains carrying out decompress(ion) after these data, the video coding, audio frequency amplifies, export by standards of making such as AV terminal again, or directly export by the LCD color screen, so just, can realize the purpose that portable FLASH card audio frequency and video are play, thereby satisfy people's different needs.

Description of drawings

Fig. 1 is the carry-on audiovisual player decoding of the use FLASH card that provides of the utility model and the theory diagram of FLASH card part;

Fig. 2 is the complete schematic diagram of the carry-on audiovisual player of the use FLASH card that provides of the utility model.

Fig. 3 is the local line figure of player decoded portion shown in Figure 2.

Fig. 4 is the local line figure of player FALSH card part shown in Figure 2.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples:

The carry-on audiovisual player of this ready-read card, comprise shell, the LCD color screen, decoding deck, decoding chip, FLASH card conversion chip and various FLASH card socket, the FLASH card reads on the FLASH card socket that conversion chip connects most various standards on the described decoding deck, (as 1404 type IC of KTC company), this conversion chip is connected with the mpeg decode chip with bus mode simultaneously, the described FLASH of reading card socket is provided with Multi Media card socket, Smart Media card socket, Compact Flash card socket, SD card socket and Memory Stick card socket and USB card socket, these decks can be for inserting the general FLASH card that can buy in the market.The described FLASH of reading card reads in chip reads the data of FLASH card, and convert STD bus (as ATAPI or IDE etc.) to and directly import the mpeg decode chip, this decoding chip carries out decompress(ion), video coding, audio frequency amplifies, and sends into video that LCD display deposits in by output FLASH cards such as AV lead-out terminal, S terminal, optic fibre connector or coaxial terminals, audio frequency, MP3, music, photo, image, Word message etc. again.So just, can on carry-on player, realize reading the purpose of video that various FLASH cards deposit in, audio frequency, MP3, music, photo, image, Word message etc., thereby satisfy people's different needs.

At present, the standard DVD decoding chip of DVD core only provides ATAPI or ide interface data read interface, and the utility model increases by one and reads the FLASH control panel, realizes ATAPI or ide interface to the conversion of FLASH card, realization FLASH data read.The theory diagram of this part comprises that FLASH control making sheet 11 is connected with DVD decoding deck 15 by standard A TAPI connecting line as shown in Figure 1; Wherein FLASH control making sheet 11 comprises FLASH socket 10 and conversion chip 12, and DVD decoding deck 15 comprises decoding chip 16, and standard A TAPI connecting line two comprises ATAPI socket 6 and 17.

Circuit of the present utility model is divided into Card Reader circuit 31, video processing circuits 32, audio frequency processing circuit 33, microphone circuit 34, decoding deck circuit 35 and power supply and connecting circuit 36 as shown in Figure 2.As Fig. 2, Card Reader circuit 31 is connected by ATAPI data line DD0-DD15 with decoding deck circuit 35.As Fig. 3, ATAPI data line DD0-DD15 is connected through the data pins HD#0-HD#15 of ATAPI socket 17 with decoding chip U12.The utility model provides reads the FLASH control panel, and its circuit structure comprises that card socket J1 and JP1 are respectively applied for the FLASH storage card that inserts TAISOL and CF CARD standard as shown in Figure 4, and when having card to insert, blocking socket just provides power supply; Comprise conversion chip U15, control the data of whether reading in the FLASH storage card by its control end CE1 and CE2, CE1 is connected external DVD driver with CE2 by connecting line, comprise the ATAPI data line in this connecting line, add specially designed external DVD driver and connecting line, this carry-on audiovisual player can be at fixed-site DVD playing back CD.

Claims (6)

1, a kind of available FLASH storage card is done the carry-on audiovisual player of information media, comprise data reader unit, standard A TAPI or IDE bus interface (13), the mpeg decode chip (16) that order is electrically connected and be used for the displaying video image and the multimedia device of AV audio frequency, it is characterized in that described data reader unit comprises by interface conversion circuit and card socket (10) coupled, that be used to insert the FLASH storage card.

2, according to the described player of claim 1, it is characterized in that the selected cell that described data reader unit can also comprise the external DVD driver that is connected with described standard A TAPI or IDE bus interface and be used for reading control between the card socket of described insertion FLASH storage card and external DVD driver or hard disk.

3, according to the described player of claim 1, it is characterized in that, described FLASH storage card can be multiple blocking formula, comprises in Multi Media card, Smart Media card, Compact Flash card, SD card, Memory Stick or the USB card one or more; Described card socket can comprise one or more.

4, according to the described player of claim 1, it is characterized in that, described interface conversion circuit comprises 304 cake cores (12) that are connected the KTC company that is used for interface conversion between described card socket (10) and standard A TAPI or the IDE bus interface (13), and described 304 cake cores can pass through respective socket (6,17) and be connected with described standard A TAPI or IDE bus interface (13) with standard connecting line (18).

5, player according to claim 3 is characterized in that, described mpeg decode chip (16) is the chip of SUNPLUS company.

6, player according to claim 1 is characterized in that, described multimedia device comprises the LCD color screen.

Images