CN201663702U - Wireless data terminal provided with large-capacity SIM card - Google Patents
Wireless data terminal provided with large-capacity SIM card Download PDFInfo
- Publication number
- CN201663702U CN201663702U CN2009201799482U CN200920179948U CN201663702U CN 201663702 U CN201663702 U CN 201663702U CN 2009201799482 U CN2009201799482 U CN 2009201799482U CN 200920179948 U CN200920179948 U CN 200920179948U CN 201663702 U CN201663702 U CN 201663702U
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- CN
- China
- Prior art keywords
- sim card
- usb
- wireless modem
- conversion chip
- protocol conversion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a wireless data terminal provided with a large-capacity SIM card, which comprises a USB interface, a wireless Modem, a radio-frequency antenna, a USB protocol conversion chip and a multimedia SIM card, wherein the USB protocol conversion chip is arranged between the wireless Modem and the multimedia SIM card, and the data format conversion and the level conversion are carried out between the wireless Modem and the multimedia SIM card; the multimedia SIM card is connected with the USB protocol conversion chip and the wireless Modem through the interface, so as to receive and send data through the USB protocol conversion chip and receive and send communication signals through the wireless Modem. By the adoption of the USB interface, the USB protocol conversion chip and the multimedia SIM card, the large-capacity data storage is realized, and furthermore, the data obtained through the format conversion after being received and sent is transmitted through the USB interface, and the transmission rate is high.
Description
Technical field
The utility model relates to the mobile communication technology field, relates in particular to a kind of wireless data terminal with high-capacity SIM card.
Background technology
Along with the arrival in 3G epoch, more and more be subjected to the attention of mobile operator based on the value-added service of SIM card.And present SIM card memory space is less, if expand present SIM card memory space, then causes because transmission rate is low and can't normally use.The SIM card that memory space is bigger just can't obtain effective utilization like this, causes satisfying user's requirements at the higher level, and the market that influences mobile operator is simultaneously occupied, and influences popularizing of 3G.
The utility model content
The technical problems to be solved in the utility model provides the wireless data terminal with high-capacity SIM card that a kind of memory space is big, transmission rate is high.
In order to address the above problem, the utility model provides a kind of wireless data terminal with high-capacity SIM card, comprises USB interface, wireless Modem and radio-frequency antenna, usb protocol conversion chip and multimedia SIM card,
Described usb protocol conversion chip is arranged between described wireless Modem and the multimedia SIM card, carries out Data Format Transform and level conversion between described wireless Modem and described multimedia SIM card;
Described multimedia SIM card is connected by interface with described wireless Modem with described usb protocol conversion chip, by described usb protocol conversion chip transceive data, and by described wireless Modem transmitting-receiving communication signal.
Further, described wireless Modem also is connected with described usb protocol conversion chip, described multimedia SIM card, and carry out data transmit-receive between described usb protocol conversion chip and the described multimedia SIM card, and carry out the communication signal transmitting-receiving with described multimedia SIM card.
Further, described USB interface is 5 pin USB interface.
Further, described usb protocol conversion chip becomes the data message of IC-USB form to send to described multimedia SIM card the USB formatted data information translation that wireless Modem obtains, and the data message of the IC-USB form that described multimedia SIM card is sent is converted to USB formatted data information and sends to described wireless Modem.
Further, the C4 on the described multimedia SIM card, C8 pin are connected to form the IC-USB interface, and carry out communication by described IC-USB interface and usb protocol conversion chip.
Further, described usb protocol conversion chip will carry out level conversion between described wireless Modem 1.8v voltage and the described multimedia SIM card 3v voltage.
Further, be connected by the ISO7816 interface between described wireless Modem and the described multimedia SIM card.
Further, also comprise rechargeable battery or rechargeable battery not.
The utlity model has following advantage:
1, the utility model adopts USB interface, usb protocol conversion chip and multimedia SIM card, has realized mass data storage, carries out transfer of data by USB interface after the data transmit-receive format conversion in addition, the transmission rate height.
2, the utility model USB interface is 5 pin USB interface, makes things convenient for the utility model to link to each other with computer.
3, the usb protocol conversion chip can be changed between the IC-USB of data (USB in the Inter ChipUSB sheet) and two kinds of forms of USB in the utility model, makes things convenient for data read and output.
Description of drawings
Below in conjunction with accompanying drawing execution mode of the present utility model is described further:
Fig. 1 shows a kind of wireless data terminal structural representation with high-capacity SIM card of the utility model;
Fig. 2 shows multimedia SIM card connection diagram in a kind of wireless data terminal with high-capacity SIM card of the utility model;
Fig. 3 shows a kind of wireless data terminal and multimedia SIM card connection layout with high-capacity SIM card of the utility model.
Embodiment
As shown in Figure 1, the utility model comprises: usb 1, usb protocol conversion chip 2, multimedia SIM card 3, wireless Modem (modulator-demodulator) 4 and radio-frequency antenna 5, wherein:
Usb 1 is the interface that wireless data terminal is connected with computer, carries out data forwarding between wireless Modem 4 and computer;
Usb protocol conversion chip 2 is arranged between wireless Modem 4 and the multimedia SIM card 3, carries out Data Format Transform and level conversion between wireless Modem 4 and multimedia SIM card 3;
Radio-frequency antenna 5 is launched wireless Modems 4 wireless communication signal, and the wireless communication signal that receives is sent to wireless Modem 4.
The utility model adopts usb 1, usb protocol conversion chip 2 and multimedia SIM card 3, has realized mass data storage, carries out transfer of data by usb 1 after the data transmit-receive format conversion in addition, the transmission rate height.
In the utility model, usb 1 is 5 pin USB interface.Usb 1 is the USBSLAVE interface, finishes being connected of the utility model and computer.
The utility model usb 1 is 5 pin USB interface, makes things convenient for the utility model to link to each other with computer.
In the utility model, usb protocol conversion chip 2 becomes the data message of IC-USB form to send to multimedia SIM card 3 the USB formatted data information translation that wireless Modem 4 obtains, and the data message of the IC-USB form that multimedia SIM card 3 is sent is converted to USB formatted data information and sends to wireless Modem 4.
Usb protocol conversion chip 2 is realized the Universal USB of wireless Modem 4 and the Data Format Transform between IC-USB, and the data of wireless Modem 4 are sent with the USB form.The IC-USB data format that the information translation that wireless Modem 4 is obtained becomes multimedia SIM card 3 to receive.If integrated this usb protocol conversion chip 2 of wireless Modem 4 chips does not then need the outside to connect usb data conversion chip 2 again.
Usb protocol conversion chip 2 can be changed between the IC-USB of data and two kinds of forms of USB in the utility model, makes things convenient for data read and output.
In the utility model, the C4 on the multimedia SIM card 3, the C8 pin is connected to form the IC-USB interface, and carries out communication by IC-USB interface and usb protocol conversion chip 2.
In the utility model, wireless Modem 4 is mainly finished the communication function of wireless data terminal, and the selection of wireless Modem 4 can be adopted second generation mobile communication system or 3-G (Generation Three mobile communication system) standard according to different communication standards.
As shown in Figure 2, in the utility model, usb protocol conversion chip 2 will carry out level conversion between the 3v voltage in 1.8v voltage in the wireless Modem 4 and the multimedia SIM card 3.
As shown in Figure 3, in the utility model, the ISO7816 interface is adopted in communicating by letter of multimedia SIM card 3 and 4 of wireless Modems, and this interface is totally 5 pins, is respectively C1 (VCC), C5 (GND) C2 (RST), C3 (CLK), C7 (I/O) signal.Be used for the authentication and the authentication of 4 pairs of multimedia SIM cards 3 of wireless Modem.
Be connected by the ISO7816 interface between wireless Modem 4 and the multimedia SIM card, make things convenient for 4 pairs of multimedia SIM cards of wireless Modem to manage.
The utility model also comprises rechargeable battery or rechargeable battery not, thinks that normal operation of the present utility model provides electric energy.
The utility model can meet NFC (Near Field Communication near field communication (NFC)) function, promptly by the SWP interface safety function is implanted in the multimedia SIM card 3 (c6 pin), finishes enhancement mode NFC function.
In sum; it below only is preferred embodiment of the present utility model; be not to be used to limit protection range of the present utility model; therefore; all any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1. the wireless data terminal with high-capacity SIM card comprises USB interface (1), wireless Modem (4) and radio-frequency antenna (5), it is characterized in that, also comprises: usb protocol conversion chip (2) and multimedia SIM card (3),
Described usb protocol conversion chip (2) is arranged between described wireless Modem (4) and the multimedia SIM card (3), carries out Data Format Transform and level conversion between described wireless Modem (4) and described multimedia SIM card (3);
Described multimedia SIM card (3) is connected by interface with described wireless Modem (4) with described usb protocol conversion chip (2), by described usb protocol conversion chip (2) transceive data, and by described wireless Modem (4) transmitting-receiving communication signal.
2. the wireless data terminal with high-capacity SIM card as claimed in claim 1, it is characterized in that: described wireless Modem (4) also is connected with described usb protocol conversion chip (2), described multimedia SIM card (3), and carry out data transmit-receive between described usb protocol conversion chip (2) and the described multimedia SIM card (3), and carry out the communication signal transmitting-receiving with described multimedia SIM card (3).
3. the wireless data terminal with high-capacity SIM card as claimed in claim 1 is characterized in that: described USB interface (1) is 5 pin USB interface.
4. the wireless data terminal with high-capacity SIM card as claimed in claim 1, it is characterized in that: described usb protocol conversion chip (2) becomes the data message of IC-USB form to send to described multimedia SIM card (3) the USB formatted data information translation that wireless Modem (4) obtains, and the data message of the IC-USB form that described multimedia SIM card (3) is sent is converted to USB formatted data information and sends to described wireless Modem (4).
5. the wireless data terminal with high-capacity SIM card as claimed in claim 1, it is characterized in that: C4, C8 pin on the described multimedia SIM card (3) are connected to form the IC-USB interface, and carry out communication by described IC-USB interface and usb protocol conversion chip (2).
6. as claim 1 or 4 described wireless data terminals with high-capacity SIM card, it is characterized in that: described usb protocol conversion chip will carry out level conversion between described wireless Modem 1.8v voltage and the described multimedia SIM card 3v voltage.
7. the wireless data terminal with high-capacity SIM card as claimed in claim 1 or 2 is characterized in that: be connected by the ISO7816 interface between described wireless Modem (4) and the described multimedia SIM card.
8. the wireless data terminal with high-capacity SIM card as claimed in claim 1 is characterized in that: also comprise rechargeable battery or rechargeable battery not.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201799482U CN201663702U (en) | 2009-11-25 | 2009-11-25 | Wireless data terminal provided with large-capacity SIM card |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201799482U CN201663702U (en) | 2009-11-25 | 2009-11-25 | Wireless data terminal provided with large-capacity SIM card |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201663702U true CN201663702U (en) | 2010-12-01 |
Family
ID=43234119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009201799482U Expired - Lifetime CN201663702U (en) | 2009-11-25 | 2009-11-25 | Wireless data terminal provided with large-capacity SIM card |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201663702U (en) |
-
2009
- 2009-11-25 CN CN2009201799482U patent/CN201663702U/en not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20101201 |
|
CX01 | Expiry of patent term |