CN103077409A - Data exchange system, data exchange method and storage equipment - Google Patents
Data exchange system, data exchange method and storage equipment Download PDFInfo
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- CN103077409A CN103077409A CN2011103274071A CN201110327407A CN103077409A CN 103077409 A CN103077409 A CN 103077409A CN 2011103274071 A CN2011103274071 A CN 2011103274071A CN 201110327407 A CN201110327407 A CN 201110327407A CN 103077409 A CN103077409 A CN 103077409A
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Abstract
The invention relates to a data exchange system, a data exchange method and storage equipment. The data exchange system comprises first storage equipment and second storage equipment, wherein the first storage equipment comprises a first close-range radio-frequency communication module; the second storage equipment comprises a second close-range radio-frequency communication module; and the first storage equipment and the second storage equipment carry out data exchange by using a radio-frequency channel through the first close-range radio-frequency communication module and the second close-range radio-frequency communication module. According to the data exchange system, the data exchange method and the storage equipment disclosed by the invention, when two pieces of storage equipment carry out data exchange, the dependence on external equipment such as a data wire or a card reader or troublesome manual operation by users is avoided, and thus the simplicity and the convenience are realized. In addition, according to the invention, high-speed wireless transmission with large data volume can be realized, so that data exchange is high in speed and efficiency.
Description
Technical field
The present invention relates to the Data Interchange Technology field, relate in particular to a kind of data exchange system and method for interchanging data and memory device.
Background technology
Along with extensive development and the application of electronic technology and integrated circuit, the function of mobile phone and computing machine is more and more, and mobile phone and computing machine more and more enter in the middle of people's the life.Current, mobile phone and computing machine are being played the part of more and more and very important role in daily life and work, have brought very large benefit for people's live and work.Mobile phone has increased gradually increasing function and has selected for people except traditional mobile phone short message function, for example takes pictures, recording, data storage etc.
But, current, if people need to be with the data importing on the mobile phone in the middle of computing machine, a kind of method is to rely on data line, by data line mobile phone is connected with computing machine, then operates on computers the data in the mobile phone (comprise the data of mobile phone self storage space and can insert the data of storage space of the TF card of mobile phone) are imported in the middle of the computing machine; Another kind method is exactly, and the TF card on the mobile phone is taken off from mobile phone, is placed in the card reader, then card reader is inserted on the computing machine, with by card reader with the data importing in the TF card on the mobile phone in the middle of computing machine.
Two kinds of above-mentioned method for interchanging data all need comparatively loaded down with trivial details manually-operated, and all need to depend on data line or card reader is carried out exchanges data, in case data line or card reader are lost, then can't carry out exchanges data.
Summary of the invention
Technical matters to be solved by this invention provides a kind of data exchange system and method for interchanging data, memory device, can automatically carry out exchanges data, improves exchange efficiency.
For solving the problems of the technologies described above, the present invention proposes a kind of data exchange system, comprise the first memory device and the second memory device, comprise the first close distance radio frequency communication module in described the first memory device, comprise the second close distance radio frequency communication module in described the second memory device, described the first memory device and described the second memory device utilize the radio-frequency channel to carry out exchanges data by described the first close distance radio frequency communication module and described the second close distance radio frequency communication module.
Further, said system also can have following characteristics:
Described the first close distance radio frequency communication module comprises:
The magnetic signal transmitter is used for the emission magnetic signal;
The first radio-frequency (RF) transceiver is used for carrying out exchanges data with the second radio-frequency (RF) transceiver by the radio-frequency channel;
Described the second close distance radio frequency communication module comprises:
The magnetic signal receiver be used for to receive magnetic signal, and judges distance between described the first close distance radio frequency communication module and described the second close distance radio frequency communication module according to this magnetic signal;
The second radio-frequency (RF) transceiver is used for carrying out exchanges data with the first radio-frequency (RF) transceiver by the radio-frequency channel.
Further, said system also can have following characteristics:
Described the first close distance radio frequency communication module comprises:
The first magnetic signal transceiver is used for emission the first magnetic signal, receives the second magnetic signal, and judges distance between described the first close distance radio frequency communication module and described the second close distance radio frequency communication module according to this second magnetic signal;
The first radio-frequency (RF) transceiver is used for carrying out exchanges data with the second radio-frequency (RF) transceiver by the radio-frequency channel;
Described the second close distance radio frequency communication module comprises:
The second magnetic signal transceiver be used for to receive the first magnetic signal and emission the second magnetic signal, and judges distance between described the first close distance radio frequency communication module and described the second close distance radio frequency communication module according to this first magnetic signal;
The second radio-frequency (RF) transceiver is used for carrying out exchanges data with the first radio-frequency (RF) transceiver by the radio-frequency channel.
Further, said system also can have following characteristics, and described magnetic signal is the low frequency alternating magnetic field signal.
Further, said system also can have following characteristics, and described the first close distance radio frequency communication module is arranged on one of them of smart card, smart card sleeve, storage card and storage card cutting ferrule of described the first memory device; Described the second close distance radio frequency communication module is arranged on one of them of smart card, smart card sleeve, storage card and storage card cutting ferrule of described the second memory device.
Further, said system also can have following characteristics, and described smart card is SIM card, UIM card or usim card, and described storage card is SD card, TF card or mmc card.
Further, said system also can have following characteristics, and described the first memory device is movable storage device, and described the second memory device is fixed memory device.
Further, said system also can have following characteristics, and described the first memory device and described the second memory device are movable storage device.
Further, said system also can have following characteristics, and described movable storage device is mobile phone, camera, video camera or personal digital assistant PDA, and described fixed memory device is computing machine.
For solving the problems of the technologies described above, the invention allows for a kind of method for interchanging data, be applied to comprise the system of the first memory device and the second memory device, comprising:
Judge that distance between described the first memory device and described the second memory device is whether in default scope;
If then described the first memory device and described the second memory device both sides carry out exchanges data by the radio-frequency channel.
Further, said method also can have following characteristics, judge between described the first memory device and described the second memory device distance whether the step in default scope be:
A party in described the first memory device and described the second memory device sends magnetic signal, and described the opposing party judges that according to this magnetic signal between the two distance is whether in default scope.
Further, said method also can have following characteristics, judge between described the first memory device and described the second memory device distance whether the step in default scope be:
Described the first memory device and described the second memory device all send magnetic signal to the other side, and magnetic signal that both sides receive according to self judges that between the two distance is whether in default scope.
Further, said method also can have following characteristics, and described magnetic signal is the low frequency alternating magnetic field signal.
For solving the problems of the technologies described above, the invention allows for a kind of memory device, be provided with the close distance radio frequency communication module in the described memory device.
Further, above-mentioned memory device also can have following characteristics, and described close distance radio frequency communication module comprises:
The magnetic signal transmitter is used for the emission magnetic signal, so that the receiving equipment of this magnetic signal is according to the distance between this magnetic signal judgement self and the described memory device;
Radio-frequency (RF) transceiver is used for when the receiving equipment of this magnetic signal and the distance between the described memory device are in the default scope, carries out exchanges data with the radio-frequency (RF) transceiver in the receiving equipment of this magnetic signal by the radio-frequency channel.
Further, above-mentioned memory device also can have following characteristics, and described close distance radio frequency communication module comprises:
The magnetic signal receiver be used for to receive magnetic signal, and judges the distance between the transmitter of described memory device and this magnetic signal according to this magnetic signal;
Radio-frequency (RF) transceiver when being used for distance between the transmitter of described memory device and this magnetic signal and being in the default scope, is carried out exchanges data with the radio-frequency (RF) transceiver in the transmitter of this magnetic signal by the radio-frequency channel.
Further, above-mentioned memory device also can have following characteristics, and described close distance radio frequency communication module comprises:
The magnetic signal transceiver is used for emission the first magnetic signal and receives the second magnetic signal, and judges the distance between the transmitter of described memory device and this second magnetic signal according to this second magnetic signal;
Radio-frequency (RF) transceiver when being used for distance between the transmitter of described memory device and this second magnetic signal and being in the default scope, is carried out exchanges data with the radio-frequency (RF) transceiver in the transmitter of this second magnetic signal by the radio-frequency channel.
Further, above-mentioned memory device also can have following characteristics, and described close distance radio frequency communication module is arranged on one of them of smart card, smart card sleeve, storage card and storage card cutting ferrule of described memory device.
Further, above-mentioned memory device also can have following characteristics, and described smart card is SIM card, UIM card or usim card, and described storage card is SD card, TF card or mmc card.
Data exchange system of the present invention and method for interchanging data, memory device, so that two memory devices are when carrying out exchanges data, do not need to rely on the external units such as data line or card reader, do not need the user to carry out loaded down with trivial details manually-operated yet, satisfy default condition and just can automatically carry out exchanges data as long as need to carry out distance between two memory devices of exchanges data, simple and convenient.And the present invention utilizes the radio-frequency channel to carry out exchanges data, and the radio-frequency channel has transfer rate height, characteristics that information capacity is large, can carry out the high-speed radio transmission of big data quantity, so exchanges data speed is fast, efficient is high.
Description of drawings
Fig. 1 is the structured flowchart of data exchange system in the embodiment of the invention;
Fig. 2 is the process flow diagram of method for interchanging data in the embodiment of the invention;
Fig. 3 is a kind of structured flowchart of memory storage in the embodiment of the invention;
Fig. 4 is the another kind of structured flowchart of memory storage in the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing principle of the present invention and feature are described, institute gives an actual example and only is used for explaining the present invention, is not be used to limiting scope of the present invention.
Fig. 1 is the structured flowchart of data exchange system in the embodiment of the invention.As shown in Figure 1, in the present embodiment, data exchange system 100 comprises the first memory device 110 and the second memory device 120.Wherein, comprise in the first memory device 110 in the first close distance radio frequency communication module 111, the second memory devices 120 and comprise the second close distance radio frequency communication module 121.The first memory device 110 and the second memory device 120 utilize the radio-frequency channel to carry out exchanges data by the first close distance radio frequency communication module 111 and the second close distance radio frequency communication module 121.
A side of Transmit message can pre-set the path of file to be transmitted in the first memory device 110 and the second memory device 120, and a side who receives file can pre-set the storing path that receives file.These arrange and can realize by the control module in the first memory device 110 and the second memory device 120 respectively.
The first memory device 110 and the second memory device 120 just carry out exchanges data only in bipartite distance is in default short range the time, and this exchanges data can start and carry out automatically, namely in case the distance between the first memory device 110 and the second memory device 120 satisfies condition, then both sides start and carry out exchanges data automatically.After the data exchanging completed, when the distance between the first memory device 110 and the second memory device 120 no longer satisfied condition, the connection of radio frequency communications channels was interrupted automatically.The first memory device 110 and the second memory device 120 also can stop exchanges data automatically after data exchanging completed.Like this, if after the data exchanging completed, distance between the first memory device 110 and the second memory device 120 still satisfies condition, although this moment, the connection of radio frequency communications channels was still effective, but because data have exchanged complete, the first memory device 110 and the second memory device 120 can stop exchanges data automatically, and can not repeat exchanges data.In the present embodiment, the exchanges data of data exchange system 100 does not need to rely on the external units such as data line or card reader, does not need the user to carry out loaded down with trivial details manually-operated yet, and is simple and convenient.And, because data exchange system 100 utilizes the radio-frequency channel to carry out exchanges data, and the radio-frequency channel has transfer rate height, characteristics that information capacity is large, can carry out the high-speed radio transmission of big data quantity, so the exchanges data efficient of data exchange system 100 has obtained large increase.
A kind of working method of data exchange system 100 can be: any one party in the first memory device 110 and the second memory device 120 detects the opposing party by the close distance radio frequency communication module of self, if the distance between the opposing party and the we is in the default short range, then both sides utilize the radio-frequency channel to carry out exchanges data by the close distance radio frequency communication module.
The another kind of working method of data exchange system 100 can be: the close distance radio frequency communication module that the both sides in the first memory device 110 and the second memory device 120 pass through separately detects the opposing party, if the distance between the opposing party and the we is in the default short range, namely, either party among the both sides all detect and the other side between distance all be in the default scope, then both sides utilize the radio-frequency channel to carry out exchanges data by the close distance radio frequency communication module.
Wherein, the first close distance radio frequency communication module 111 can be arranged on one of them of smart card, smart card sleeve, storage card and storage card cutting ferrule in the first memory device 110.Such benefit is, do not need the first memory device 110 hardware configurations own are changed, only need to transform the push-pull devices such as smart card, smart card sleeve, storage card or storage card cutting ferrule that are applied in the first memory device 110, the circuit that is about to the first close distance radio frequency communication module 111 is integrated in these push-pull devices, and then these push-pull devices are inserted in the first memory device 110.At this moment, can communicate by existing intelligent card interface or memory card interface between the first close distance radio frequency communication module 111 and the first memory device 110, for example the first close distance radio frequency communication module 111 can receive by intelligent card interface or memory card interface the swap data for the treatment of of the first memory device 110.
In like manner, the second close distance radio frequency communication module 121 also can be arranged on one of them of smart card, smart card sleeve, storage card and storage card cutting ferrule of the second memory device 120.With regard to not needing the second memory device 120 hardware configurations own are changed like this, only need to transform the push-pull devices such as smart card, smart card sleeve, storage card or storage card cutting ferrule that are applied in the second memory device 120, the circuit that is about to the second close distance radio frequency communication module 121 is integrated in these push-pull devices, and then these push-pull devices are inserted in the second memory device 120.At this moment, can communicate by existing intelligent card interface or memory card interface between the second close distance radio frequency communication module 121 and the second memory device 120, for example the second close distance radio frequency communication module 121 can will send by the data that the radio-frequency channel receives the second memory device 120 to by intelligent card interface or memory card interface.
Wherein, the above-mentioned smart card of mentioning can be SIM card, UIM card or usim card etc., and the above-mentioned storage card of mentioning can be SD card, TF card or mmc card etc.
Certainly, in other embodiments of the invention, the first close distance radio frequency communication module 111 also can directly be arranged in the first memory device 110, need to transform this moment to the structure of the first memory device 110, is integrated in the first memory device with the circuit with the first close distance radio frequency communication module 111.In like manner, in other embodiments of the invention, the second close distance radio frequency communication module 121 also can directly be arranged in the second memory device 120, need to transform this moment to the structure of the second memory device 120, is integrated in the second memory device 120 with the circuit with the second close distance radio frequency communication module 121.
Wherein, the first close distance radio frequency communication module 111 and the second close distance radio frequency communication module 121 can be to carry out distance control by magnetic signal, carry out the nfc apparatus of exchanges data by the radio-frequency channel.The structure of the first close distance radio frequency communication module 111 and the second close distance radio frequency communication module 121 can be a kind of in following two kinds of structures:
The first structure is: the first close distance radio frequency communication module 111 comprises magnetic signal transmitter and the first radio-frequency (RF) transceiver, and the magnetic signal transmitter is used for the emission magnetic signal, and the first radio-frequency (RF) transceiver is used for carrying out exchanges data with the second radio-frequency (RF) transceiver by the radio-frequency channel; The second close distance radio frequency communication module 121 comprises magnetic signal receiver and the second radio-frequency (RF) transceiver, the magnetic signal receiver be used for to receive magnetic signal, and judges distance between the first close distance radio frequency communication module and the second close distance radio frequency communication module according to this magnetic signal; The second radio-frequency (RF) transceiver is used for carrying out exchanges data with the first radio-frequency (RF) transceiver by the radio-frequency channel.Wherein, magnetic signal can be the low frequency alternating magnetic field signal.
The second structure is: the first close distance radio frequency communication module 111 comprises the first magnetic signal transceiver and the first radio-frequency (RF) transceiver, the first magnetic signal transceiver is used for emission the first magnetic signal and receives the second magnetic signal, and judge distance between the first close distance radio frequency communication module and the second close distance radio frequency communication module according to this second magnetic signal, the first radio-frequency (RF) transceiver is used for carrying out exchanges data with the second radio-frequency (RF) transceiver by the radio-frequency channel; The second close distance radio frequency communication module 121 comprises the second magnetic signal transceiver and the second radio-frequency (RF) transceiver, the second magnetic signal transceiver be used for to receive the first magnetic signal and emission the second magnetic signal, and judges distance between the first close distance radio frequency communication module and the second close distance radio frequency communication module according to this first magnetic signal; The second radio-frequency (RF) transceiver is used for carrying out exchanges data with the first radio-frequency (RF) transceiver by the radio-frequency channel.Wherein, magnetic signal can be the low frequency alternating magnetic field signal.
In the data exchange system 100 shown in Figure 1, the first memory device 110 can be movable storage device, and the second memory device 120 can be fixed memory device; The first memory device 110 and the second memory device 120 can all be movable storage devices also.Wherein, movable storage device can be mobile phone, camera, video camera or personal digital assistant PDA etc., and fixed memory device can be computing machine etc.
The below is further elaborated principle of the present invention by a concrete application example again.
Suppose that the first memory device 110 is mobile phone, the second memory device 120 is computing machine, be integrated with the first close distance radio frequency communication module 111 on the SIM card of mobile phone, can insert be integrated with on the SD card of computing machine the second close distance radio frequency communication module 121(SD card can directly be inserted in the SD card slot of computing machine or by card reader be connected on the computing machine).
Then the data exchange process between mobile phone and the computing machine is as follows:
Whether computing machine detects by the second close distance radio frequency communication module 121 has mobile phone to enter in the default near field communication range, do not detect if just continue, if have, then the second close distance radio frequency communication module 121 in the computing machine is set up radio communication with the first close distance radio frequency communication module 111 in the mobile phone and is connected.
After setting up the radio communication connection, mobile phone is crossed the first close distance radio frequency communication module 111 with the data communication device of self storing and is utilized the radio-frequency channel to send, then computing machine passes to computing machine with receive data by the data of the second close distance radio frequency communication module 121 receiving RF channels.
Data exchange system of the present invention, when carrying out exchanges data, do not need to rely on the external units such as data line or card reader, do not need the user to carry out loaded down with trivial details manually-operated yet, satisfy default condition and just can automatically carry out exchanges data as long as need to carry out distance between two memory devices of exchanges data, simple and convenient.And, because data exchange system of the present invention utilizes the radio-frequency channel to carry out exchanges data, and the radio-frequency channel has transfer rate height, characteristics that information capacity is large, can carry out the high-speed radio transmission of big data quantity, therefore the exchanges data speed of data exchange system of the present invention is fast, efficient is high.
Fig. 2 is the process flow diagram of method for interchanging data in the embodiment of the invention.The flow process of method for interchanging data shown in Figure 2 is applied to data exchange system shown in Figure 1.
As shown in Figure 2, in the present embodiment, the flow process of method for interchanging data comprises:
Step 201 is judged distance between the first memory device 110 and the second memory device 120 whether in default scope, if execution in step 202 then, otherwise execution in step 203.
As previously mentioned, comprise in the first memory device 110 in the first close distance radio frequency communication module 111, the second memory devices 120 and comprise the second close distance radio frequency communication module 121.Describe about the structure front of the first close distance radio frequency communication module 111 and the second close distance radio frequency communication module 121 is existing, repeat no more herein.
In this step, can judge that distance between the first memory device 110 and the second memory device 120 is whether in default scope by following dual mode:
First kind of way: a party in the first memory device 110 and the second memory device 120 sends magnetic signal, and this opposing party judges that according to this magnetic signal between the two distance is whether in default scope.
The second way: the first memory device 110 and the second memory device 120 all send magnetic signal to the other side, and magnetic signal that both sides all receive according to self judges that between the two distance is whether in default scope.
Distance between the first memory device 110 and the second memory device 120 satisfies when pre-conditioned, and both sides carry out exchanges data automatically.
Step 203 is not carried out exchanges data.
Method for interchanging data of the present invention, so that two memory devices are when carrying out exchanges data, do not need to rely on the external units such as data line or card reader, do not need the user to carry out loaded down with trivial details manually-operated yet, satisfy default condition and just can automatically carry out exchanges data as long as need to carry out distance between two memory devices of exchanges data, simple and convenient.And method for interchanging data of the present invention utilizes the radio-frequency channel to carry out exchanges data, and the radio-frequency channel has transfer rate height, characteristics that information capacity is large, can carry out the high-speed radio transmission of big data quantity, so exchanges data speed is fast, efficient is high.
Fig. 3 is a kind of structured flowchart of memory storage in the embodiment of the invention.As shown in Figure 3, in the present embodiment, be provided with close distance radio frequency communication module 400 in the memory device 300.In the present embodiment, close distance radio frequency communication module 400 is set directly in the memory device 300, at this moment, need to transform memory device 300.
Wherein, close distance radio frequency communication module 400 can be aforesaid the first close distance radio frequency communication module 111, also can be aforesaid the second close distance radio frequency communication module 121.When close distance radio frequency communication module 400 was aforesaid the first close distance radio frequency communication module 111, memory device 300 was aforesaid the first memory device 110.When close distance radio frequency communication module 400 was aforesaid the second close distance radio frequency communication module 121, memory device 300 was aforesaid the first memory device 120.
Fig. 4 is the another kind knot block diagram of memory storage in the embodiment of the invention.As shown in Figure 4, in the present embodiment, be provided with close distance radio frequency communication module 400 in the memory device 300, close distance radio frequency communication module 400 is arranged on the smart card 500 of memory device 300.Different from Fig. 3 is, in the present embodiment, close distance radio frequency communication module 400 is not to be set directly in the memory device 300, but be arranged at the push-pull device of memory device 300--smart card on, at this moment, do not need memory device 300 is transformed, only need closely the circuit of radio-frequency communication module 400 to be integrated in the push-pull device such as smart card, and then these push-pull devices are inserted in memory devices 300.Here, also the circuit of radio-frequency communication module 400 closely can be integrated in the push-pull devices such as smart card sleeve, storage card or storage card cutting ferrule.Wherein, smart card can be SIM card, UIM card or usim card etc., and storage card can be SD card, TF card or mmc card etc.
The structure of close distance radio frequency communication module 400 can be any one in following three kinds:
The first: close distance radio frequency communication module 400 comprises magnetic signal transmitter and radio-frequency (RF) transceiver, and the magnetic signal transmitter is used for the emission magnetic signal, so that the receiving equipment of this magnetic signal is according to the distance between this magnetic signal judgement self and the memory device 300; Radio-frequency (RF) transceiver is used for when the receiving equipment of this magnetic signal and the distance between the described memory device 300 are in the default scope, carries out exchanges data with the radio-frequency (RF) transceiver in the receiving equipment of this magnetic signal by the radio-frequency channel.Wherein, magnetic signal can be the low frequency alternating magnetic field signal.
The second: close distance radio frequency communication module 400 comprises magnetic signal receiver and radio-frequency (RF) transceiver, and the magnetic signal receiver is used for receiving magnetic signal, and according to the distance between the transmitter of this magnetic signal judgement memory device 300 and this magnetic signal; When radio-frequency (RF) transceiver is used for distance between the transmitter of memory device 300 and this magnetic signal and is in the default scope, carry out exchanges data with the radio-frequency (RF) transceiver in the transmitter of this magnetic signal by the radio-frequency channel.Wherein, magnetic signal can be the low frequency alternating magnetic field signal.
The third: close distance radio frequency communication module 400 comprises magnetic signal transceiver and radio-frequency (RF) transceiver, the magnetic signal transceiver is used for emission the first magnetic signal and receives the second magnetic signal, and according to the distance between the transmitter of this second magnetic signal judgement memory device 300 and this second magnetic signal; When radio-frequency (RF) transceiver is used for distance between the transmitter of memory device 300 and this second magnetic signal and is in the default scope, carry out exchanges data with the radio-frequency (RF) transceiver in the transmitter of this second magnetic signal by the radio-frequency channel.Wherein, magnetic signal can be the low frequency alternating magnetic field signal.
Memory device of the present invention is when carrying out exchanges data, do not need to rely on the external units such as data line or card reader, do not need the user to carry out loaded down with trivial details manually-operated yet, satisfy default condition and just can automatically carry out exchanges data as long as need to carry out distance between two memory devices of exchanges data, simple and convenient.And, memory device of the present invention utilizes the radio-frequency channel to carry out exchanges data, and the radio-frequency channel has transfer rate height, characteristics that information capacity is large, can carry out the high-speed radio transmission of big data quantity, and therefore storage device data exchange velocity of the present invention is fast, efficient is high.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1. data exchange system, it is characterized in that, comprise the first memory device and the second memory device, comprise the first close distance radio frequency communication module in described the first memory device, comprise the second close distance radio frequency communication module in described the second memory device, described the first memory device and described the second memory device utilize the radio-frequency channel to carry out exchanges data by described the first close distance radio frequency communication module and described the second close distance radio frequency communication module.
2. data exchange system according to claim 1 is characterized in that:
Described the first close distance radio frequency communication module comprises:
The magnetic signal transmitter is used for the emission magnetic signal;
The first radio-frequency (RF) transceiver is used for carrying out exchanges data with the second radio-frequency (RF) transceiver by the radio-frequency channel;
Described the second close distance radio frequency communication module comprises:
The magnetic signal receiver be used for to receive magnetic signal, and judges distance between described the first close distance radio frequency communication module and described the second close distance radio frequency communication module according to this magnetic signal;
The second radio-frequency (RF) transceiver is used for carrying out exchanges data with the first radio-frequency (RF) transceiver by the radio-frequency channel.
3. data exchange system according to claim 1 is characterized in that:
Described the first close distance radio frequency communication module comprises:
The first magnetic signal transceiver is used for emission the first magnetic signal, receives the second magnetic signal, and judges distance between described the first close distance radio frequency communication module and described the second close distance radio frequency communication module according to this second magnetic signal;
The first radio-frequency (RF) transceiver is used for carrying out exchanges data with the second radio-frequency (RF) transceiver by the radio-frequency channel;
Described the second close distance radio frequency communication module comprises:
The second magnetic signal transceiver be used for to receive the first magnetic signal and emission the second magnetic signal, and judges distance between described the first close distance radio frequency communication module and described the second close distance radio frequency communication module according to this first magnetic signal;
The second radio-frequency (RF) transceiver is used for carrying out exchanges data with the first radio-frequency (RF) transceiver by the radio-frequency channel.
4. according to claim 2 or 3 described data exchange systems, it is characterized in that described magnetic signal is the low frequency alternating magnetic field signal.
5. data exchange system according to claim 1 is characterized in that, described the first close distance radio frequency communication module is arranged on one of them of smart card, smart card sleeve, storage card and storage card cutting ferrule of described the first memory device; Described the second close distance radio frequency communication module is arranged on one of them of smart card, smart card sleeve, storage card and storage card cutting ferrule of described the second memory device.
6. data exchange system according to claim 5 is characterized in that, described smart card is SIM card, UIM card or usim card, and described storage card is SD card, TF card or mmc card.
7. data exchange system according to claim 1 is characterized in that, described the first memory device is movable storage device, and described the second memory device is fixed memory device.
8. data exchange system according to claim 1 is characterized in that, described the first memory device and described the second memory device are movable storage device.
9. according to claim 7 or 8 described data exchange systems, it is characterized in that described movable storage device is mobile phone, camera, video camera or personal digital assistant PDA, described fixed memory device is computing machine.
10. a method for interchanging data is characterized in that, is applied to comprise the system of the first memory device and the second memory device, comprising:
Judge that distance between described the first memory device and described the second memory device is whether in default scope;
If then described the first memory device and described the second memory device both sides carry out exchanges data by the radio-frequency channel.
11. method for interchanging data according to claim 10 is characterized in that, judge between described the first memory device and described the second memory device distance whether the step in default scope be:
A party in described the first memory device and described the second memory device sends magnetic signal, and described the opposing party judges that according to this magnetic signal between the two distance is whether in default scope.
12. method for interchanging data according to claim 10 is characterized in that, judge between described the first memory device and described the second memory device distance whether the step in default scope be:
Described the first memory device and described the second memory device all send magnetic signal to the other side, and magnetic signal that both sides receive according to self judges that between the two distance is whether in default scope.
13. according to claim 11 or 12 described method for interchanging data, it is characterized in that described magnetic signal is the low frequency alternating magnetic field signal.
14. a memory device is characterized in that, is provided with the close distance radio frequency communication module in the described memory device.
15. memory device according to claim 14 is characterized in that, described close distance radio frequency communication module comprises:
The magnetic signal transmitter is used for the emission magnetic signal, so that the receiving equipment of this magnetic signal is according to the distance between this magnetic signal judgement self and the described memory device;
Radio-frequency (RF) transceiver is used for when the receiving equipment of this magnetic signal and the distance between the described memory device are in the default scope, carries out exchanges data with the radio-frequency (RF) transceiver in the receiving equipment of this magnetic signal by the radio-frequency channel.
16. memory device according to claim 14 is characterized in that, described close distance radio frequency communication module comprises:
The magnetic signal receiver be used for to receive magnetic signal, and judges the distance between the transmitter of described memory device and this magnetic signal according to this magnetic signal;
Radio-frequency (RF) transceiver when being used for distance between the transmitter of described memory device and this magnetic signal and being in the default scope, is carried out exchanges data with the radio-frequency (RF) transceiver in the transmitter of this magnetic signal by the radio-frequency channel.
17. memory device according to claim 14 is characterized in that, described close distance radio frequency communication module comprises:
The magnetic signal transceiver is used for emission the first magnetic signal and receives the second magnetic signal, and judges the distance between the transmitter of described memory device and this second magnetic signal according to this second magnetic signal;
Radio-frequency (RF) transceiver when being used for distance between the transmitter of described memory device and this second magnetic signal and being in the default scope, is carried out exchanges data with the radio-frequency (RF) transceiver in the transmitter of this second magnetic signal by the radio-frequency channel.
18. memory device according to claim 14 is characterized in that, described close distance radio frequency communication module is arranged on one of them of smart card, smart card sleeve, storage card and storage card cutting ferrule of described memory device.
19. memory device according to claim 18 is characterized in that, described smart card is SIM card, UIM card or usim card, and described storage card is SD card, TF card or mmc card.
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