CN202275434U - Near field communication memory card capable of supporting single line communication - Google Patents
Near field communication memory card capable of supporting single line communication Download PDFInfo
- Publication number
- CN202275434U CN202275434U CN2011203862897U CN201120386289U CN202275434U CN 202275434 U CN202275434 U CN 202275434U CN 2011203862897 U CN2011203862897 U CN 2011203862897U CN 201120386289 U CN201120386289 U CN 201120386289U CN 202275434 U CN202275434 U CN 202275434U
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- memory card
- field communication
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- pmu
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Abstract
Provided is a near field communication memory card capable of supporting single line communication. The memory card is mainly used for a device with a near field communication function and comprises a power supply management unit, an interface control unit, a data storage unit, a power supply protecting unit and an intelligent unit. By arranging the power supply protecting unit between the power management unit and a near field voltage source of the device with the near field communication function, short circuit caused by direct connection of electrical appliances is avoided, and simultaneously the power supply management unit is prevented from being connected with the intelligent unit directly, therefore damage of data in the intelligent unit caused by surge of overlarge voltage and current is prevented, and an electricity leakage problem of the power supply management unit and the near field voltage source is also solved. Accordingly, a problem that near field communication can not be driven to be conducted or enough electricity energy can not be provided for the interface control unit or the intelligent unit is solved.
Description
Technical field
The utility model relates to a kind of memory card, is mainly used in the near-field communication of supporting the single-wire communication agreement, especially comprises the power protection unit, forms short circuit to prevent the agreement electric direct connection of contact module of PMU and single-wire communication, and prevents electric leakage.
Background technology
Over past ten years, mobile phone has almost become everybody indispensable electronic product, along with the development of mobile phone products; Except the most basic call function; Record, record a video, take pictures, function such as amusement is also more and more, development is exactly memory card thereupon, so that the storage of various audio-visual amusement archives to be provided.
In addition; In the development of stored value card at present, very frequent on market, for example the small amount of Taibei rapid transit EasyCard, Watson is consumed fast; This all is to belong to the mode that electromagnetic induction carries out near-field communication; Main all is that card in consumer's hand has chip, supplies power and can see through outside near field apparatus, transaction such as carry out Stored Value again, withhold.
Near-field communication handset (NFC phone) with the mobile phone combined with near field communication; To be the trend of following small amount consumption; And element that it need guarantee data security to be to ensure the data security of consumption, and the NFC mobile phone of Google is as safety element with the SWP-SIM card of supporting single-wire communication (Single Wire protocol) at present.Yet banking industry can't write personalized data for the SWP-SIM card, as customized.Therefore, according to versatility, develop the memory card that as being used for the support single-wire communication of NFC mobile phone.
But memory card supply voltage directly is connected with the power supply of 3C Product usually usually, directly is connected with voltage source and be easy to generate the near-field communication chip, and produces the situation of short circuit, the problem that security document damage even memory card or 3C Product are damaged.In addition,, make the electric energy of driving not enough on the contrary, can't drive the near-field communication or the phenomenon of memory and produce because the direct conducting of power supply of near-field communication chip and 3C Product possibly produce the electric leakage situation.
Therefore, need a kind of can be with the connectivity port of near field communication chip and the design of original product power supply, avoiding line short, and prevent the problem of leaking electricity.
The utility model content
The fundamental purpose of the utility model provides a kind of memory card of supporting the near-field communication of single-wire communication agreement; This memory card be mainly used in one have the near-field communication function device; For example mobile phone, camera, multimedia player, panel computer etc.; This memory card comprises a PMU, an interface control module, a data storage unit, a power protection unit and an intelligent cell; One PMU is connected with the memory card voltage source of the device with near-field communication function, to accept the voltage from the memory card connectivity port.The interface control module is connected with PMU and memory card data input output interface, is supplied power by PMU, and receives the input and the output of data by memory card data input output interface, and send a fill order.The data storage unit is a flash memory, in order to store data, is connected with the interface control module, receives the fill order from the interface control module, and carries out reading, write and erasing of data.
Power protection unit and PMU and near field voltage source are electrically connected; Directly be electrically connected and form short circuit with the near field voltage source that prevents PMU and near-field communication unit, and prevent that near field voltage source or PMU from producing the variety of issue that electric leakage is caused.Intelligent cell is connected with power protection unit and single-wire communication agreement input output interface; Supply power by the power protection unit; And with the near-field communication unit with single-wire communication agreement (Single Wire Protocol, mode signal SWP) connects, in order to receive the signal from outside near field apparatus; Intelligent cell is stolen to avoid transaction data in order to by the input of single-wire communication agreement input output interface or read the order encrypt/decrypt of data.
PMU, interface control module, and the power protection unit can be chip independently, or on a chip, comprise PMU, interface control module, and the power protection unit at least wherein both.
The characteristics of the utility model are; The utility model supports the memory card of the near-field communication of single-wire communication agreement to be Micro-SD standard size specification commonly used; Be mainly used in device with near-field communication function like mobile phone, camera, multimedia player, panel computer etc.; By the power protection unit being arranged at PMU and having between the near field voltage source of device of near-field communication function; Prevent directly to be electrically connected and form short circuit, also avoid PMU directly to be connected simultaneously, and prevent that any excessive voltage, the surging of electric current from causing the data in the intelligent cell to damage with intelligent cell.In addition, the power protection unit the electric leakage problem that can prevent PMU and near field voltage source is set, can't drive the problem of carrying out near-field communication or enough electric energy can't be provided interface control module or intelligent cell and solved.
Description of drawings
Fig. 1 supports the cell schematics of the memory card of the near-field communication that single-wire communication is reached an agreement on for the utility model.
Embodiment
Those of ordinary skill in the art below cooperate graphic embodiment to do more detailed explanation, so that can implement after studying this instructions carefully according to this to the utility model.
With reference to figure 1, the cell schematics of the memory card of the near-field communication of the support single-wire communication of the utility model agreement.The memory card device 1 of the utility model be mainly used in one have the near-field communication function device 100, for example mobile phone, camera, multimedia player, panel computer etc.Device 100 with near-field communication function comprises a memory card connectivity port 110 and a near-field communication unit 120; Memory card connectivity port 110 comprises a memory card voltage source 111 and memory card data input output interface 113, and near-field communication unit 120 comprises a near field voltage source 121 and single-wire communication agreement input output interface 123.
Support the memory card 1 of the near-field communication of single-wire communication agreement to comprise a PMU 10, an interface control module 20, a data storage unit 30, a power protection unit 40 and an intelligent cell 50; One PMU 10 is connected with the memory card voltage source 111 of the device with near-field communication function 100, to accept the voltage from memory card connectivity port 110.Interface control module 20 is connected with PMU 10, memory card data input output interface 113 and intelligent cell 50; Interface control module 20 is by PMU 10 power supplies; And receive the input and the output of data by memory card data input output interface 113; And send a fill order, and interface control module 20 can be distinguished this order, and then respectively intelligent cell 50 or data storage unit 30 are controlled.Data storage unit 30 is a flash memory; In order to store data; Be connected with interface control module 20; Reception is from the fill order of interface control module 20, and carry out the reading, write and erase of data, intelligent cell 50 is an encryption/decryption circuit, interface control module 20 is connected interface with intelligent cell 50 and can be communication interfaces such as ISO7816, SPI, GPIO, 12C.
PMU 10, interface control module 20, and power protection unit 40 can be chip independently, or on a chip, comprise PMU 10, interface control module 20, and power protection unit 40 at least wherein both.
The characteristics of the utility model are; The utility model supports the memory card of the near-field communication of single-wire communication agreement to be Micro-SD standard size specification commonly used; Be mainly used in the device with near-field communication function 100 like mobile phone, camera, multimedia player, panel computer etc.; By the power protection unit being arranged at PMU 10 and having between the near field voltage source 121 of device 100 of near-field communication function; Prevent electric direct connection and form short circuit, avoid PMU 10 directly to be connected simultaneously, and prevent that any excessive voltage, the surging of electric current from causing the data damage in the intelligent cell 50 with intelligent cell 50.In addition; Power protection unit 40 the electric leakage problem that can prevent PMU 10 and near field voltage source 121 is set, can't drive the problem of carrying out near-field communication or enough electric energy can't be provided interface control module 20 or intelligent cell 50 and solved.
The above person is merely in order to explain the preferred embodiment of the utility model; Be not that attempt is done any pro forma restriction to the utility model according to this; Therefore; All have in following any modification or change of making relevant the utility model of identical novel spirit, all must be included in the category of the utility model intention protection.
Claims (6)
1. memory card of supporting the near-field communication of single-wire communication agreement, be used for one have the near-field communication function device, it is characterized in that the memory card of the near-field communication that this supports single-wire communication is reached an agreement on comprises:
One PMU is connected with this memory card voltage source with device of near-field communication function, to accept the voltage from a memory card connectivity port;
One interface control module is connected with this PMU and memory card data input output interface, is supplied power by this PMU, and receives the input and the output of data by this memory card data input output interface, and send a fill order;
One data storage unit is a flash memory, in order to store data, is connected with this interface control module, receives the fill order from this interface control module, and carries out reading, write and erasing of data;
One power protection unit; Be electrically connected with a near field voltage source of this PMU and a near-field communication unit; Preventing that this PMU and this near field voltage source directly are electrically connected and form short circuit, and prevent that this field voltage source or this PMU from producing electric leakage; And
One intelligent cell; Be connected with this power protection unit and this single-wire communication agreement input output interface, supply power, and be connected with the mode signal of this near-field communication unit with the single-wire communication agreement by this power protection unit; In order to receive signal from an outside near field apparatus; And be connected with the interface control module, receive the order of memory card data input output interface, this intelligent cell is an encryption/decryption circuit; Order encrypt/decrypt in order to being imported, read by this single-wire communication agreement input output interface or control module is stolen to avoid transaction data.
2. the memory card of the near-field communication of support single-wire communication agreement as claimed in claim 1; It is characterized in that; Device with near-field communication function comprises this memory card connectivity port and this near-field communication unit; This memory card connectivity port comprises this memory card voltage source and this memory card data input output interface, and this near-field communication unit comprises this near field voltage source and this single-wire communication agreement input output interface.
3. the memory card of the near-field communication of support single-wire communication agreement as claimed in claim 2 is characterized in that the device with near-field communication function is a mobile phone, a camera, a multimedia player or a panel computer.
4. the memory card of the near-field communication of support single-wire communication as claimed in claim 1 agreement is characterized in that, this PMU, this interface control module, and this power protection unit is chip independently.
5. the memory card of the near-field communication of support single-wire communication as claimed in claim 1 agreement is characterized in that, this PMU, this interface control module, and this power protection unit at least wherein both are formed on the chip jointly.
6. the memory card of the near-field communication of support single-wire communication agreement as claimed in claim 1 is characterized in that, the memory card of the near-field communication of this support single-wire communication agreement is a Micro-SD standard size specification.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203862897U CN202275434U (en) | 2011-10-12 | 2011-10-12 | Near field communication memory card capable of supporting single line communication |
| TW101213027U TWM450790U (en) | 2011-10-12 | 2012-07-05 | Memory card capable of supporting Near field communication of single line protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203862897U CN202275434U (en) | 2011-10-12 | 2011-10-12 | Near field communication memory card capable of supporting single line communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202275434U true CN202275434U (en) | 2012-06-13 |
Family
ID=46195780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203862897U Expired - Lifetime CN202275434U (en) | 2011-10-12 | 2011-10-12 | Near field communication memory card capable of supporting single line communication |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202275434U (en) |
| TW (1) | TWM450790U (en) |
-
2011
- 2011-10-12 CN CN2011203862897U patent/CN202275434U/en not_active Expired - Lifetime
-
2012
- 2012-07-05 TW TW101213027U patent/TWM450790U/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TWM450790U (en) | 2013-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181030 Address after: 402, 800 North Street, Dover, Delaware, Kent, USA Patentee after: Mobile security Limited by Share Ltd Address before: Taichung City, Taiwan, China Patentee before: Go-Trust Technology Inc. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |
|
| CX01 | Expiry of patent term |