CN201956070U

CN201956070U - MP3 player with non-contact integrated circuit (IC) card reader

Info

Publication number: CN201956070U
Application number: CN2011200444860U
Authority: CN
Inventors: 袁勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-02-23
Filing date: 2011-02-23
Publication date: 2011-08-31
Anticipated expiration: 2021-02-23

Abstract

The utility model discloses an MP3 player with a non-contact integrated circuit (IC) card reader. The MP3 player comprises a master control decoding module and a card reader module, wherein the master control decoding module comprises a micro control unit (MCU), a decoding module, a digital-to-analogue conversion module, a power amplification module, a memory module, a power module, a universal serial bus (USB) module and an RS232 serial port module; and the card reader module comprises the MCU, a card reading-writing module and an antenna module. The MP3 player comprises a built-in acquisition and identification module adopting a non-contact IC technology, and realizes the functions of automatically identifying, downloading and playing audio files of different sequences and types in a way of fitting with a non-contact IC card.

Description

A kind of MP3 player that has the contactless ic card reader

Technical field

The utility model relates to a kind of MP3 player, and especially a kind of MP3 player that has the contactless ic card reader belongs to less radio-frequency and electronic product field.

Background technology

MP3 player technology singly has not been applied to the playback of songs field at present, also is widely used in the system of various demand voice playing.The downloaded of traditional MP3 player all is based on the pattern of hand picking, copy download, play mode mainly is fixed modes such as single broadcast, shuffle, loop play, usually use button to select required song according to the title of the song that shows, this kind method one is that order is chosen, can not skip the song that has no interest, lose time; Choose even can sequence number specify, often forget that also own satisfied song is how many numbers and the monic that must not differ is sought firstly one by one.And in the voice playing application of some demand personalizations, the for example broadcasting system of the tone information system of different members' requesting songs system, different user, different pieces of information information, tutoring system of different foreign language teaching materials or the like, traditional MP3 player can not realize that above-mentioned personalized audio plays demand.

In the prior art, some also occur and automatic acquiring and identifying module is set,, make the MP3 player realize playing by voice input requirement as sound identification module at the MP3 player.Though this method realizes playing fast selecting to a certain extent, must know the full name of wanting the song title play, and can only single select, after playing, single need phonetic entry once more to want next song of playing.Can not realize that in addition song downloads automatically, can only hand picking.

Therefore be necessary to develop a kind of novel MP3 player that has the contactless ic card reader, make it be built-in with the acquiring and identifying module of using the contactless ic technology, cooperate the function that realizes identification automatically, downloads, plays automatically the audio file of different sequences, type automatically with contactless IC card.

Summary of the invention

The utility model is at prior art problems, a kind of acquiring and identifying module of using the contactless ic technology that is built-in with is provided, has cooperated the MP3 player that has the contactless ic card reader of realizing identification automatically, downloading, play automatically different sequences, type audio file function automatically with contactless IC card.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

Described a kind of MP3 player that has the contactless ic card reader comprises master control decoder module and card reader module;

Described master control decoder module comprises MCU microcontroller, decoder module, D/A converter module, power amplifier module, memory module, power module, USB module and RS232 serial port module; Described MCU microcontroller is electrically connected with described decoder module, memory module and power module respectively, the MCU microcontroller reads the data of memory module and by decoder module data is decoded, described decoder module, D/A converter module and power amplifier module order successively are electrically connected, and D/A converter module converts decoded digital signal to simulating signal and carries out signal by power amplifier module and amplify and output; Described MCU microcontroller is electrically connected with described USB module and RS232 serial port module respectively, is connected with the PC main frame by USB interface or RS232 serial ports;

Described card reader module comprises MCU microcontroller, read-write card module and Anneta module; Described MCU microcontroller, read-write card module and Anneta module order successively are electrically connected, described Anneta module is receiving the wireless signal data transmission to after described read-write card module identification and handling, be sent to described MCU microcontroller, the MCU microcontroller is handled the input data, and the data of needs transmission are sent to described read-write card module, send by Anneta module.

Further, by the electromagnetic wave wireless connections, described contactless IC card is ID number unique passive chip carrier between described card reader module and the contactless IC card.

Further, described card reader module is by usb protocol or RS232 serial port protocol and PC host communication.

Further, described master control decoder module also comprises LCD display module and button, is electrically connected with described MCU microcontroller respectively.

Further, described master control decoder module also comprises real-time clock module, is electrically connected with described MCU microcontroller, is used to write down real-time time.

Further, the MP3 player is downloaded corresponding audio file in the PC host data base automatically according to contactless IC card ID number, can discern contactless IC card or inner article carrier and the corresponding with it file in step of broadcast that contains the contact IC-card of contactless IC card automatically.

A kind of principle of work that has the MP3 player of contactless ic card reader described in the utility model is: the electromagnetic wave radiofrequency signal that the Anneta module of the IC card reader in the player is outwards launched certain frequency, when contactless IC card when the IC card reader, resonant circuits produces resonance in the IC-card under electromagnetic excitation, thereby make the electric capacity charging, for the work of IC-card provides power supply, beginning and IC read write line swap data; The MP3 player is connected to the PC main frame by USB interface, player can be downloaded the memory module of the audio file of the forms such as MP3, WMA corresponding with IC-card to the MP3 player automatically from PC main frame audio file data storehouse, while update playing index, player is finished initialization; The application plays device is in the different location and during occasion, and when contactless IC card enters the induction region of player card reader, player will and be play and this IC-card corresponding audio files from dynamic response; In addition, can write back the read-write card module of card reader by the propagation function of contactless IC card to information of reading and writing data such as the access time of contactless IC card, place, content, number of times, under the control of MCU microprocessor, be sent back to the document data bank of PC main frame by USB or RS232 communications protocol.

Advantage of the present utility model is: a kind of MP3 player that has the contactless ic card reader is provided, it is built-in with the acquiring and identifying module of using the contactless ic technology, cooperates the function that realizes identification automatically, downloads, plays automatically the audio file of different sequences, type automatically with contactless IC card.

Description of drawings

Fig. 1 is a kind of system architecture block scheme that has the MP3 player of contactless ic card reader described in the utility model;

The division mark is as follows in the accompanying drawing: 1, MCU microcontroller; 2, read-write card module; 3, Anneta module; 4, decoder module; 5, D/A converter module; 6, power amplifier module; 7, memory module; 8, power module; 9, LCD display module; 10, button; 11, real-time clock module; 12, USB module; 13, RS232 serial port module; 111, master control decoder module; 112, card reader module.

Embodiment

As shown in Figure 1, a kind of system architecture block scheme that has the MP3 player of contactless ic card reader comprises master control decoder module 111 and card reader module 112;

Described master control decoder module 111 comprises MCU microcontroller 1, decoder module 4, D/A converter module 5, power amplifier module 6, memory module 7, power module 8, USB module 12 and RS232 serial port module 13; Described MCU microcontroller 1 is electrically connected with described decoder module 4, memory module 7 and power module 8 respectively, MCU microcontroller 1 reads the data of memory module 7 and decodes by 4 pairs of data of decoder module, described decoder module 4, D/A converter module 5 and power amplifier module 6 order successively are electrically connected, and D/A converter module 5 converts decoded digital signal to simulating signal and carries out signal by power amplifier module 6 and amplify and output; Described MCU microcontroller 1 is electrically connected with described USB module 12 and RS232 serial port module 13 respectively, is connected with the PC main frame by USB interface or RS232 serial ports; Described master control decoder module 111 also comprises LCD display module 9, button 10 and real-time clock module 11, is electrically connected with described MCU microcontroller 1 respectively.

Described card reader module 112 comprises MCU microcontroller 1, read-write card module 2 and Anneta module 3; Described MCU microcontroller 1, read-write card module 2 and Anneta module 3 order successively are electrically connected, described Anneta module 3 is receiving the wireless signal data transmission to after described read-write card module 2 identifications and handling, be sent to described MCU microcontroller 1, MCU microcontroller 1 is handled the input data, and the data of needs transmission are sent to described read-write card module 2, send by Anneta module 3.

Behind the MP3 player electrifying startup, the Anneta module 3 of the card reader module 112 in the player is the electromagnetic wave radiofrequency signal of emission certain frequency outwards, when contactless IC card when the card reader module 112, resonant circuits produces resonance in the IC-card under electromagnetic excitation, thereby make the electric capacity charging, for the work of IC-card provides power supply, beginning and card reader module 112 swap datas; If not the contact IC-card is used with the MP3 player for the first time, need earlier player to be carried out initialization operation: the MP3 player is connected to the PC main frame by USB interface, the MCU microcontroller 1 control read-write card module 2 of card reader module 112, read ID number and the audio file information of required download of contactless IC card by Anneta module 3, and write in the read-write card module 2, MCU microcontroller 1 reads the related data information processing from read-write card module 2 after, pressing the USB communications protocol by USB module 12 downloads from PC main frame audio file data storehouse and contactless IC card ID corresponding audio files, be stored in the memory module 7 of master control decoder module 111, update playing index is simultaneously so just finished the initialization operation of player.

The MP3 player promptly can be applicable to different location and occasion after finishing initialization operation.When contactless IC card or the inner article carrier that contains contactless IC card enter MP3 player radiofrequency signal overlay area, reader/writer module 112 reads ID number of contactless IC card, and MCU microcontroller 1 is handled and obtained also to play corresponding audio file in regular turn with this ID number corresponding broadcast index.At first MCU microcontroller 1 reads from memory module 7 needs the audio file of broadcast to be stored among the RAM, controlling 4 pairs of audio files of decoder module then decodes, decoded digital data signal converts simulating signal to via D/A converter module 5, is undertaken outputing to loudspeaker plays after signal amplifies by power amplifier module 6 at last.

Can write back the read-write card module 2 of card reader module 112 by the propagation function of contactless IC card to information of reading and writing data such as the access time of contactless IC card, place, content, number of times, under 1 control of MCU microprocessor, be sent back to the document data bank of PC main frame by USB or RS232 communications protocol.

As above-mentioned another kind of technological improvement, can between the read-write card module 2 of card reader module 112 and Anneta module 3, increase power amplifier module.When Anneta module 3 receives the data-signal that contactless IC card transmits, be transferred to module for reading and writing 2 by power amplifier module again after with the signal processing and amplifying earlier; Module for reading and writing 2 is sent by Anneta module 3 after the data that will write contactless IC card are amplified by power amplifier module equally again.Anneta module 3 can receive more small signal and send stronger signal like this, strengthened emissive power and enlarged signal cover, even make the MP3 player at the volley inclusive NAND contact IC-card distance more also can respond and play automatically.

Obviously the foregoing description is not to restriction of the present utility model, and above-mentioned a kind of MP3 player that has the contactless ic card reader can also have other many variations.Though gone through the utility model in conjunction with above-mentioned example, some that should be understood that professional person in the industry can expect apparently are identical, and alternative scheme all falls within the protection domain that the utility model claim limited.

Claims

1. a MP3 player that has the contactless ic card reader comprises housing, it is characterized in that, is provided with master control decoder module (111) and card reader module (112) in housing;

Described master control decoder module (111) comprises MCU microcontroller (1), decoder module (4), D/A converter module (5), power amplifier module (6), memory module (7), power module (8), USB module (12) and RS232 serial port module (13); Described MCU microcontroller (1) is electrically connected with described decoder module (4), memory module (7) and power module (8) respectively, MCU microcontroller (1) reads the data of memory module (7) and by decoder module (4) data is decoded, described decoder module (4), D/A converter module (5) and power amplifier module (6) order successively are electrically connected, and D/A converter module (5) converts decoded digital signal to simulating signal and carries out signal by power amplifier module (6) and amplify and output; Described MCU microcontroller (1) is electrically connected with described USB module (12) and RS232 serial port module (13) respectively, is connected with the PC main frame by USB interface or RS232 serial ports;

Described card reader module (112) comprises MCU microcontroller (1), read-write card module (2) and Anneta module (3); Described MCU microcontroller (1), read-write card module (2) and Anneta module (3) order successively are electrically connected.

2. the MP3 player that has the contactless ic card reader according to claim 1, it is characterized in that, be by the electromagnetic wave wireless connections between described card reader module (112) and the contactless IC card, described contactless IC card is ID number unique passive chip carrier.

3. the MP3 player that has the contactless ic card reader according to claim 2 is characterized in that, described card reader module (112) is to be connected with the PC host communication by usb protocol or RS232 serial port protocol.

4. the MP3 player that has the contactless ic card reader according to claim 3 is characterized in that, described master control decoder module (111) also comprises LCD display module (9) and button (10), is electrically connected with described MCU microcontroller (1) respectively.

5. the MP3 player that has the contactless ic card reader according to claim 4 is characterized in that described master control decoder module (111) also comprises real-time clock module (11), is electrically connected with described MCU microcontroller (1), is used to write down real-time time.