CN103077409B - Data exchange system and method for interchanging data, memory device - Google Patents
Data exchange system and method for interchanging data, memory device Download PDFInfo
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- CN103077409B CN103077409B CN201110327407.1A CN201110327407A CN103077409B CN 103077409 B CN103077409 B CN 103077409B CN 201110327407 A CN201110327407 A CN 201110327407A CN 103077409 B CN103077409 B CN 103077409B
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Abstract
The present invention relates to a kind of data exchange system and method for interchanging data, memory device. Wherein, data exchange system, comprise the first memory device and the second memory device, in described the first memory device, comprise the first close distance radio frequency communication module, in described the second memory device, comprise the second close distance radio frequency communication module, described the first memory device and described the second memory device utilize 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. Data exchange system of the present invention and method for interchanging data, memory device, make two memory devices in the time carrying out exchanges data, do not need to rely on the external equipment such as data wire or card reader, also do not need user to carry out loaded down with trivial details manual operation, simple and convenient. And the present invention can carry out the high-speed radio transmission of big data quantity, therefore exchanges data speed is fast, efficiency is high.
Description
Technical field
The present invention relates to 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 computer is more and more, and mobile phone and computer have more and more entered in the middle of people's life. Current, mobile phone and computer are being played the part of more and more and very important role in daily life and work, have brought very large benefit to people's live and work. Mobile phone, except traditional mobile phone short message function, has increased gradually increasing function and has selected for people, for example, take pictures, recording, data storage etc.
But, current, if people need to be by the data importing on mobile phone in the middle of computer, one method is to rely on data wire, by data wire, mobile phone is connected with computer, then operates on computers the data in mobile phone (data that comprise mobile phone self memory space and can insert the data of memory space of the TF card of mobile phone) are imported in the middle of computer; Another kind method is exactly, and the TF card on mobile phone is taken off from mobile phone, is placed in card reader, then card reader is inserted on computer, with by card reader by the data importing in the TF card on mobile phone in the middle of computer.
Two kinds of above-mentioned method for interchanging data all need comparatively loaded down with trivial details manual operation, and all need to depend on data wire or card reader is carried out exchanges data, once data wire or card reader are lost, cannot carry out exchanges data.
Summary of the invention
Technical problem to be solved by this invention is to provide 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, in described the first memory device, comprise the first close distance radio frequency communication module, in described the second memory device, comprise the second close distance radio frequency communication module, described the first memory device and described the second memory device utilize 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:
Magnetic signal transmitter, for launching magnetic signal;
The first RF transceiver, for carrying out exchanges data with the second RF transceiver by radio-frequency channel;
Described the second close distance radio frequency communication module comprises:
Magnetic signal receiver, for receiving magnetic signal, and judges the 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 RF transceiver, for carrying out exchanges data with the first RF transceiver by 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, for launching the first magnetic signal, receives the second magnetic signal, and judges the 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 RF transceiver, for carrying out exchanges data with the second RF transceiver by radio-frequency channel;
Described the second close distance radio frequency communication module comprises:
The second magnetic signal transceiver, for receiving the first magnetic signal and transmitting the second magnetic signal, and judges the 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 RF transceiver, for carrying out exchanges data with the first RF transceiver by radio-frequency channel.
Further, said system also can have following characteristics, and described magnetic signal is 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 in 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 in 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, 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 computer.
For solving the problems of the technologies described above, the invention allows for a kind of method for interchanging data, be applied to the system that comprises 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 so, described the first memory device and described the second memory device both sides carry out exchanges data by radio-frequency channel.
Further, said method also can have following characteristics, judge distance between described the first memory device and described the second memory device whether the step in default scope be:
Direction the opposing 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 distance is between the two whether in default scope.
Further, said method also can have following characteristics, judge distance between described the first memory device and described the second memory device 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 the magnetic signal that both sides receive according to self judges that distance is between the two whether in default scope.
Further, said method also can have following characteristics, and described magnetic signal is low frequency alternating magnetic field signal.
For solving the problems of the technologies described above, the invention allows for a kind of memory device, in described memory device, be provided with close distance radio frequency communication module.
Further, above-mentioned memory device also can have following characteristics, and described close distance radio frequency communication module comprises:
Magnetic signal transmitter, for launching magnetic signal, so that the receiving equipment of this magnetic signal judges the distance between self and described memory device according to this magnetic signal;
RF transceiver, for the distance between the receiving equipment at this magnetic signal and described memory device in default scope time, carries out exchanges data with the RF transceiver in the receiving equipment of this magnetic signal by radio-frequency channel.
Further, above-mentioned memory device also can have following characteristics, and described close distance radio frequency communication module comprises:
Magnetic signal receiver, for receiving magnetic signal, and judges the distance between described memory device and the transmitter of this magnetic signal according to this magnetic signal;
RF transceiver, for the distance between described memory device and the transmitter of this magnetic signal in default scope time, carries out exchanges data with the RF transceiver in the transmitter of this magnetic signal by radio-frequency channel.
Further, above-mentioned memory device also can have following characteristics, and described close distance radio frequency communication module comprises:
Magnetic signal transceiver, for launching the first magnetic signal and receiving the second magnetic signal, and judges the distance between described memory device and the transmitter of this second magnetic signal according to this second magnetic signal;
RF transceiver, for the distance between described memory device and the transmitter of this second magnetic signal in default scope time, carries out exchanges data with the RF transceiver in the transmitter of this second magnetic signal by radio-frequency channel.
Further, above-mentioned memory device also can have following characteristics, and described close distance radio frequency communication module is arranged in 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, 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, make two memory devices in the time carrying out exchanges data, do not need to rely on the external equipment such as data wire or card reader, do not need user to carry out loaded down with trivial details manual operation yet, meet 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 radio-frequency channel to carry out exchanges data, and radio-frequency channel has the advantages that transfer rate is high, information capacity is large, can carry out the high-speed radio transmission of big data quantity, and therefore exchanges data speed is fast, efficiency is high.
Brief description of the drawings
Fig. 1 is the structured flowchart of data exchange system in the embodiment of the present invention;
Fig. 2 is the flow chart of method for interchanging data in the embodiment of the present invention;
Fig. 3 is a kind of structured flowchart of storage device in the embodiment of the present invention;
Fig. 4 is the another kind of structured flowchart of storage device in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Fig. 1 is the structured flowchart of data exchange system in the embodiment of the present 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, in the first memory device 110, comprise 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 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.
In the first memory device 110 and the second memory device 120, a side of Transmit message can pre-set the path of file to be transmitted, 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 only just carry out exchanges data in the time that bipartite distance is in default short range, and this exchanges data can start and carry out automatically, once the distance between the first memory device 110 and the second memory device 120 satisfies condition, both sides start and carry out exchanges data automatically. After data exchanging completed, when the distance between the first memory device 110 and the second memory device 120 no longer satisfies condition, the connection of radio frequency communications channels is interrupted automatically. The first memory device 110 and the second memory device 120 also can automatically stop exchanges data after data exchanging completed. Like this, if after data exchanging completed, distance between the first memory device 110 and the second memory device 120 still satisfies condition, although now the connection of radio frequency communications channels is 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 equipment such as data wire or card reader, does not need user to carry out loaded down with trivial details manual operation yet, simple and convenient. And, because data exchange system 100 is utilized radio-frequency channel and is carried out exchanges data, and radio-frequency channel has the advantages that transfer rate is high, information capacity is large, can carry out the high-speed radio transmission of big data quantity, therefore the exchanges data efficiency 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 we is in default short range, both sides utilize radio-frequency channel to carry out exchanges data by 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 we is in default short range,, either party in both sides detects distance between the other side in default scope, and both sides utilize radio-frequency channel to carry out exchanges data by close distance radio frequency communication module.
Wherein, the first close distance radio frequency communication module 111 can be arranged in 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 to change, only need to transform being applied to the push-pull devices such as smart card, smart card sleeve, storage card or storage card cutting ferrule 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. Now, between the first close distance radio frequency communication module 111 and the first memory device 110, can communicate by existing intelligent card interface or memory card interface, for example the first close distance radio frequency communication module 111 can receive by intelligent card interface or memory card interface the data to be exchanged of the first memory device 110.
In like manner, the second close distance radio frequency communication module 121 also can be arranged in 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 being applied to the push-pull devices such as smart card, smart card sleeve, storage card or storage card cutting ferrule 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. Now, between the second close distance radio frequency communication module 121 and the second memory device 120, can communicate by existing intelligent card interface or memory card interface, for example the second close distance radio frequency communication module 121 can send the data that receive by radio-frequency channel to second memory device 120 by intelligent card interface or memory card interface.
Wherein, the above-mentioned smart card of mentioning can be SIM, 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, now need the structure of the first memory device 110 to transform, so that the circuit of the first close distance radio frequency communication module 111 is integrated in the first memory device. 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, now need the structure of the second memory device 120 to transform, so that the circuit of the second close distance radio frequency communication module 121 is integrated in the second memory device 120.
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 by magnetic signal to control, and carry out the nfc apparatus of exchanges data by 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 the one 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 RF transceiver, and magnetic signal transmitter is used for launching magnetic signal, and the first RF transceiver is for carrying out exchanges data with the second RF transceiver by radio-frequency channel; The second close distance radio frequency communication module 121 comprises magnetic signal receiver and the second RF transceiver, magnetic signal receiver is used for receiving magnetic signal, and judges the 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 RF transceiver is for carrying out exchanges data with the first RF transceiver by radio-frequency channel. Wherein, magnetic signal can be 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 RF transceiver, the first magnetic signal transceiver is used for launching the first magnetic signal and receives the second magnetic signal, and judging the 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 RF transceiver is for carrying out exchanges data with the second RF transceiver by radio-frequency channel; The second close distance radio frequency communication module 121 comprises the second magnetic signal transceiver and the second RF transceiver, the second magnetic signal transceiver is used for receiving the first magnetic signal and transmitting the second magnetic signal, and judges the 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 RF transceiver is for carrying out exchanges data with the first RF transceiver by radio-frequency channel. Wherein, magnetic signal can be low frequency alternating magnetic field signal.
In data exchange system 100 shown in Fig. 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 be also all movable storage devices. Wherein, movable storage device can be mobile phone, camera, video camera or personal digital assistant PDA etc., and fixed memory device can be computer etc.
By a concrete application example, principle of the present invention is further elaborated again below.
Suppose that the first memory device 110 is mobile phone, the second memory device 120 is computer, on the SIM of mobile phone, be integrated with the first close distance radio frequency communication module 111, can insert and on the SD card of computer, be integrated with the second close distance radio frequency communication module 121(SD card and can directly be inserted in the SD card slot of computer or be connected on computer by card reader).
The data exchange process between mobile phone and computer is as follows:
Whether computer is detected and is had mobile phone to enter in default near field communication range by the second close distance radio frequency communication module 121, if not then continue to detect, if had, the second close distance radio frequency communication module 121 in computer is set up radio communication with the first close distance radio frequency communication module 111 in mobile phone and is connected.
Set up after radio communication connection, mobile phone utilizes radio-frequency channel to send by the first close distance radio frequency communication module 111 data of self storage, computer, by the data of the second close distance radio frequency communication module 121 receiving RF channels, is then passed to computer by reception data.
Data exchange system of the present invention, in the time carrying out exchanges data, do not need to rely on the external equipment such as data wire or card reader, do not need user to carry out loaded down with trivial details manual operation yet, meet 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 is utilized radio-frequency channel and is carried out exchanges data, and radio-frequency channel has the advantages that transfer rate is high, 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, efficiency is high.
Fig. 2 is the flow chart of method for interchanging data in the embodiment of the present invention. The flow process of the method for interchanging data shown in Fig. 2 is applied to the data exchange system shown in Fig. 1.
As shown in Figure 2, in the present embodiment, the flow process of method for interchanging data comprises:
Step 201, judges that distance between the first memory device 110 and the second memory device 120 is whether in default scope, if perform step 202, otherwise execution step 203.
As previously mentioned, in the first memory device 110, comprise 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. Before the structure of the first close distance radio frequency communication module 111 and the second close distance radio frequency communication module 121, have description, 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 two kinds of following modes:
First kind of way: the direction the opposing party in the first memory device 110 and the second memory device 120 sends magnetic signal, this opposing party judges that according to this magnetic signal distance is between the two 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, the magnetic signal that both sides all receive according to self judges that distance is between the two whether in default scope.
Step 202, the first memory device 110 and the second memory device 120 both sides carry out exchanges data by radio-frequency channel.
Distance between the first memory device 110 and the second memory device 120 meets when pre-conditioned, and both sides carry out exchanges data automatically.
Step 203, does not carry out exchanges data.
Method for interchanging data of the present invention, make two memory devices in the time carrying out exchanges data, do not need to rely on the external equipment such as data wire or card reader, do not need user to carry out loaded down with trivial details manual operation yet, meet 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 radio-frequency channel to carry out exchanges data, and radio-frequency channel has the advantages that transfer rate is high, information capacity is large, can carry out the high-speed radio transmission of big data quantity, and therefore exchanges data speed is fast, efficiency is high.
Fig. 3 is a kind of structured flowchart of storage device in the embodiment of the present invention. As shown in Figure 3, in the present embodiment, in memory device 300, be provided with close distance radio frequency communication module 400. In the present embodiment, close distance radio frequency communication module 400 is set directly in memory device 300, now, 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, can be also aforesaid the second close distance radio frequency communication module 121. In the time that close distance radio frequency communication module 400 is aforesaid the first close distance radio frequency communication module 111, memory device 300 is aforesaid the first memory device 110. In the time that close distance radio frequency communication module 400 is aforesaid the second close distance radio frequency communication module 121, memory device 300 is aforesaid the first memory device 120.
Fig. 4 is the another kind knot block diagram of storage device in the embodiment of the present invention. As shown in Figure 4, in the present embodiment, be provided with close distance radio frequency communication module 400 in 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 memory device 300, but be arranged on the push-pull device--smart card of memory device 300, now, do not need memory device 300 to transform, only the circuit of radio-frequency communication module 400 closely need to be integrated in the push-pull devices 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, 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 RF transceiver, magnetic signal transmitter is used for launching magnetic signal, so that the receiving equipment of this magnetic signal judges the distance between self and memory device 300 according to this magnetic signal; RF transceiver is in the time that the distance between receiving equipment and the described memory device 300 of this magnetic signal is in default scope, carries out exchanges data with the RF transceiver in the receiving equipment of this magnetic signal by radio-frequency channel. Wherein, magnetic signal can be low frequency alternating magnetic field signal.
The second: close distance radio frequency communication module 400 comprises magnetic signal receiver and RF transceiver, magnetic signal receiver is used for receiving magnetic signal, and judges the distance between memory device 300 and the transmitter of this magnetic signal according to this magnetic signal; RF transceiver is in the time that the distance between memory device 300 and the transmitter of this magnetic signal is in default scope, carries out exchanges data with the RF transceiver in the transmitter of this magnetic signal by radio-frequency channel. Wherein, magnetic signal can be low frequency alternating magnetic field signal.
The third: close distance radio frequency communication module 400 comprises magnetic signal transceiver and RF transceiver, magnetic signal transceiver is used for launching the first magnetic signal and receives the second magnetic signal, and judges the distance between memory device 300 and the transmitter of this second magnetic signal according to this second magnetic signal; RF transceiver is in the time that the distance between memory device 300 and the transmitter of this second magnetic signal is in default scope, carries out exchanges data with the RF transceiver in the transmitter of this second magnetic signal by radio-frequency channel. Wherein, magnetic signal can be low frequency alternating magnetic field signal.
Memory device of the present invention is in the time carrying out exchanges data, do not need to rely on the external equipment such as data wire or card reader, do not need user to carry out loaded down with trivial details manual operation yet, meet 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 radio-frequency channel to carry out exchanges data, and radio-frequency channel has the advantages that transfer rate is high, information capacity is large, can carry out the high-speed radio transmission of big data quantity, therefore storage device data exchange velocity of the present invention is fast, efficiency is high.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. a data exchange system, is characterized in that, comprises the first memory device and the second memory device,In described the first memory device, comprise the first close distance radio frequency communication module, in described the second memory device, wrapContaining the second close distance radio frequency communication module, described the first memory device and described the second memory device pass through instituteState the first close distance radio frequency communication module and described the second close distance radio frequency communication module is utilized radio-frequency channelCarry out exchanges data; Described the first close distance radio frequency communication module is arranged at the intelligence of described the first memory deviceIn one of them of energy card, smart card sleeve, storage card and storage card cutting ferrule; Described the second low coverageFrom radio-frequency communication module be arranged at described the second memory device smart card, smart card sleeve, storage card andIn one of them of storage card cutting ferrule;
Described the first close distance radio frequency communication module comprises:
The first magnetic signal transceiver, for launching the first magnetic signal, receives the second magnetic signal, and rootJudge described the first close distance radio frequency communication module and described the second close distance radio frequency according to this second magnetic signalDistance between communication module;
The first RF transceiver, for carrying out data friendship with the second RF transceiver by radio-frequency channelChange;
Described the second close distance radio frequency communication module comprises:
The second magnetic signal transceiver, for receiving the first magnetic signal and transmitting the second magnetic signal, and rootJudge described the first close distance radio frequency communication module and described the second close distance radio frequency according to this first magnetic signalDistance between communication module;
The second RF transceiver, for carrying out data friendship with the first RF transceiver by radio-frequency channelChange.
2. data exchange system according to claim 1, is characterized in that, described magnetic signal is low frequencyAlternating magnetic field signal.
3. data exchange system according to claim 1, is characterized in that, described smart card is SIMCard, UIM card or usim card, described storage card is SD card, TF card or mmc card.
4. data exchange system according to claim 1, is characterized in that, described the first memory deviceFor movable storage device, described the second memory device is fixed memory device.
5. data exchange system according to claim 1, is characterized in that, described the first storage is establishedStandby and described the second memory device is movable storage device.
6. data exchange system according to claim 4, is characterized in that, described fixed storage is establishedStandby is computer.
7. data exchange system according to claim 5, is characterized in that, described movable storage deviceFor mobile phone, camera, video camera or personal digital assistant PDA.
8. a method for interchanging data, is characterized in that, is applied to and comprises that the first memory device and second depositsThe system of storage equipment, comprising:
Judge that distance between described the first memory device and described the second memory device is whether defaultIn scope;
If so, described the first memory device and described the second memory device both sides are undertaken by radio-frequency channelExchanges data;
Judge that distance between described the first memory device and described the second memory device is whether defaultStep in scope is:
Described the first memory device and described the second memory device all send magnetic signal to the other side, both sides according toThe magnetic signal self receiving judges that distance is between the two whether in default scope.
9. method for interchanging data according to claim 8, is characterized in that, judges that described first depositsDistance between storage equipment and described the second memory device whether step in default scope is:
Direction the opposing party in described the first memory device and described the second memory device sends magnetic signal,Described the opposing party judges that according to this magnetic signal distance is between the two whether in default scope.
10. method for interchanging data according to claim 8 or claim 9, is characterized in that described magnetic signalFor low frequency alternating magnetic field signal.
11. 1 kinds of memory devices, is characterized in that, in described memory device, are provided with close distance radio frequency communicationModule; Described close distance radio frequency communication module be arranged at described memory device smart card, smart card sleeve,In one of them of storage card and storage card cutting ferrule;
Described close distance radio frequency communication module comprises:
Magnetic signal transceiver, for launch the first magnetic signal and receive the second magnetic signal, and according to this secondMagnetic signal judges the distance between described memory device and the transmitter of this second magnetic signal;
RF transceiver, for the distance between described memory device and the transmitter of this second magnetic signalFrom in default scope time, with the RF transceiver in the transmitter of this second magnetic signal by penetratingFrequently passage carries out exchanges data.
12. memory devices according to claim 11, is characterized in that, described smart card is SIMCard, UIM card or usim card, described storage card is SD card, TF card or mmc card.
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| CN103067050A (en) * | 2011-10-24 | 2013-04-24 | 国民技术股份有限公司 | Communication system and communication method |
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