CN103618831B - Induction type data transmission method, digital terminal and mobile terminal - Google Patents
Induction type data transmission method, digital terminal and mobile terminal Download PDFInfo
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- CN103618831B CN103618831B CN201310628875.1A CN201310628875A CN103618831B CN 103618831 B CN103618831 B CN 103618831B CN 201310628875 A CN201310628875 A CN 201310628875A CN 103618831 B CN103618831 B CN 103618831B
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Abstract
The embodiment of the invention discloses an induction type data transmission method. The method comprises the steps that a digital terminal obtains contact induction signals in contact with a mobile terminal; the digital terminal builds wireless electromagnetic coupling communication connection with the mobile terminal according to the obtained contact induction signals in contact with the mobile terminal; the digital terminal carries out USB data communication with the mobile terminal according to the wireless electromagnetic coupling communication connection between the digital terminal and the mobile terminal. The embodiment of the invention further discloses the mobile terminal and the digital terminal used for induction type data transmission. By means of the induction type data transmission method, the digital terminal and the mobile terminal, the wireless connection of USB equipment can be achieved, and high efficiency and high reliability of data transmission can be ensured.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of induction type data transmission method, digital terminal and mobile terminal.
Background technology
USB data transmission is widely used in data communication technology, and a lot of portable set is all with USB data transmission interface, such as mobile phone, MP3, pad etc. now.These USB device carry out physical connection by USB cable, grafting port usually, just keep away like this and unavoidably constantly will plug USB port, not only use inconvenience, also easily cause USB interface physical damage in the process using USB device.If loose contact is also easy to damage equipment or shortens service life of equipment, the most fatal is data meeting bust this, and transmission rate slows down.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of induction type data transmission method, digital terminal and mobile terminal.The wireless connections of USB device can be realized, and ensure that high efficiency and the high reliability of transfer of data.
In order to solve the problems of the technologies described above, embodiments provide a kind of induction type data transmission method, comprising:
Digital terminal obtains the contact induction signal contacted with mobile terminal;
The contact induction signal that digital terminal contacts according to the described and described mobile terminal got, sets up wireless electromagnetic coupled communication with described mobile terminal and is connected;
Digital terminal is connected according to the wireless electromagnetic coupled communication that described mobile terminal is set up, and carries out usb data communication with described mobile terminal.
Wherein, described digital terminal is connected according to the wireless electromagnetic coupled communication that described mobile terminal is set up, and comprises before carrying out usb data communication with described mobile terminal:
Digital terminal receives the speed step information that described mobile terminal sends;
Digital terminal, according to the speed step information receiving the transmission of described mobile terminal, carries out usb data communication with described mobile terminal.
Wherein, described digital terminal comprises usb protocol interpreter, communication logic controller, coil actuator, induction coil and signal amplification shaping device, described digital terminal is connected according to the wireless electromagnetic coupled communication that described mobile terminal is set up, and carries out usb data communication comprise with described mobile terminal:
Described usb protocol interpreter obtains the directional information of carrying out usb data communication with described mobile terminal, and described directional information comprises and sends to mobile terminal the direction that the direction of data and mobile terminal receive send data;
If the directional information that the described and described mobile terminal that described usb protocol interpreter gets carries out usb data communication is the direction sending data to mobile terminal, the then enable described coil actuator of described communication logic controller, to make described coil actuator carry out amplification process to data-signal, the described induction coil setting up the connection of wireless electromagnetic coupled communication is made to be sent to described mobile terminal by described through amplifying the data-signal processed;
If the directional information that the described and described mobile terminal that described usb protocol interpreter gets carries out usb data communication is the direction that mobile terminal receive sends data, the then enable described signal amplification shaping device of described communication logic controller, makes described signal amplification shaping device that the data-signal that the described mobile terminal that the described induction coil setting up the connection of wireless electromagnetic coupled communication receives sends is carried out amplification Shape correction.
Wherein, described method also comprises:
The contact induction signal that acquisition for mobile terminal contacts with described digital terminal;
The contact induction signal that mobile terminal contacts according to the described and described digital terminal got, sets up wireless electromagnetic coupled communication with described digital terminal and is connected;
Mobile terminal is connected according to the wireless electromagnetic coupled communication that described digital terminal is set up, and carries out usb data communication with described digital terminal.
Wherein, described mobile terminal is connected according to the wireless electromagnetic coupled communication that described digital terminal is set up, and comprises before carrying out usb data communication with described digital terminal:
Mobile terminal sends described speed step information to described digital terminal, carries out usb data communication to make described digital terminal according to described speed step information and described digital terminal.
Wherein, described mobile terminal comprises usb protocol interpreter, communication logic controller, coil actuator, induction coil and signal amplification shaping device, described mobile terminal is connected according to the wireless electromagnetic coupled communication that described digital terminal is set up, and carries out usb data communication comprise with described digital terminal:
Described usb protocol interpreter obtains the directional information of carrying out usb data communication with described digital terminal, and described directional information comprises and sends the direction of data to digital terminal and receive the direction that digital terminal sends data;
If the directional information that the described and described digital terminal that described usb protocol interpreter gets carries out usb data communication is the direction sending data to data terminal, the then enable described coil actuator of described communication logic controller, to make described coil actuator carry out amplification process to data-signal, the described induction coil setting up the connection of wireless electromagnetic coupled communication is made to be sent to described digital terminal by described through amplifying the data-signal processed;
If the directional information that the described and described digital terminal that described usb protocol interpreter gets carries out usb data communication is receive the direction that digital terminal sends data, the then enable described signal amplification shaping device of described communication logic controller, makes described signal amplification shaping device that the data-signal that the described digital terminal that the described induction coil setting up the connection of wireless electromagnetic coupled communication receives sends is carried out amplification Shape correction.
Correspondingly, the embodiment of the present invention additionally provides a kind of digital terminal and mobile terminal of induction type transfer of data, and described digital terminal comprises:
Induced signal acquisition module, for obtaining the contact induction signal contacted with mobile terminal;
Communication connection module, the contact induction signal contacted with described mobile terminal described in getting for basis, sets up wireless electromagnetic coupled communication with described mobile terminal and is connected;
Usb data communication module, for according to being connected with the wireless electromagnetic coupled communication that described mobile terminal is set up, carries out usb data communication with described mobile terminal.
Wherein, described digital terminal also comprises:
Velocity information receiver module, for receiving the speed step information that described mobile terminal sends;
Speeds control communication module, for according to the speed step information receiving the transmission of described mobile terminal, carries out usb data communication with described mobile terminal.
Wherein, described usb data communication module comprises: usb protocol interpreter, communication logic controller, coil actuator, induction coil and signal amplification shaping device, wherein:
Described usb protocol interpreter carries out the directional information of usb data communication with described digital terminal for obtaining, described directional information comprises and sends the direction of data to digital terminal and receive digital terminal and send the direction of data;
If the directional information that the described and described digital terminal that described usb protocol interpreter gets carries out usb data communication is the direction sending data to data terminal, the then enable described coil actuator of described communication logic controller, to make described coil actuator carry out amplification process to data-signal, the described induction coil setting up the connection of wireless electromagnetic coupled communication is made to be sent to described digital terminal by described through amplifying the data-signal processed;
If the directional information that the described and described digital terminal that described usb protocol interpreter gets carries out usb data communication is receive the direction that digital terminal sends data, the then enable described signal amplification shaping device of described communication logic controller, makes described signal amplification shaping device that the data-signal that the described digital terminal that the described induction coil setting up the connection of wireless electromagnetic coupled communication receives sends is carried out amplification Shape correction.
Wherein, described mobile terminal comprises:
Induced signal acquisition module, for obtaining the contact induction signal contacted with described digital terminal;
Communication connection module, the contact induction signal contacted with described digital terminal described in getting for basis, sets up wireless electromagnetic coupled communication with described digital terminal and is connected;
Usb data communication module, for according to being connected with the wireless electromagnetic coupled communication that described digital terminal is set up, carries out usb data communication with described digital terminal.
Wherein, described mobile terminal also comprises:
Velocity information sending module, for sending described speed step information to described digital terminal, carries out usb data communication to make described digital terminal according to described speed step information and described digital terminal.
Wherein, described usb data communication module comprises: usb protocol interpreter, communication logic controller, coil actuator, induction coil and signal amplification shaping device, wherein:
Described usb protocol interpreter carries out the directional information of usb data communication with described digital terminal for obtaining, described directional information comprises and sends the direction of data to digital terminal and receive digital terminal and send the direction of data;
If the directional information that the described and described digital terminal that described usb protocol interpreter gets carries out usb data communication is the direction sending data to data terminal, the then enable described coil actuator of described communication logic controller, to make described coil actuator carry out amplification process to data-signal, the described induction coil setting up the connection of wireless electromagnetic coupled communication is made to be sent to described digital terminal by described through amplifying the data-signal processed;
If the directional information that the described and described digital terminal that described usb protocol interpreter gets carries out usb data communication is receive the direction that digital terminal sends data, the then enable described signal amplification shaping device of described communication logic controller, makes described signal amplification shaping device that the data-signal that the described digital terminal that the described induction coil setting up the connection of wireless electromagnetic coupled communication receives sends is carried out amplification Shape correction.
Implement the embodiment of the present invention, there is following beneficial effect: digital terminal obtains the contact induction signal contacted with mobile terminal; The contact induction signal that digital terminal contacts according to the described and described mobile terminal got, sets up wireless electromagnetic coupled communication with described mobile terminal and is connected; Digital terminal is connected according to the wireless electromagnetic coupled communication that described mobile terminal is set up, and carries out usb data communication with described mobile terminal.Achieve the wireless connections of USB device, just can carry out usb data communication after mobile terminal is directly put into the induction zone of digital terminal by placement requirement, ensure high efficiency and the high reliability of transfer of data.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the first embodiment flow chart of a kind of induction type data transmission method that the present invention proposes;
Fig. 2 is the method flow diagram that the digital terminal that proposes of the present invention and mobile terminal carry out induction type transfer of data;
Fig. 3 is the structural representation of an embodiment of the digital terminal for sensor-type transfer of data that the present invention proposes;
Fig. 4 is an example structure schematic diagram of the usb data communication module that the embodiment of the present invention proposes;
The structural representation of one embodiment of the mobile terminal for sensor-type transfer of data that Fig. 5 the present invention proposes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the first embodiment flow chart of a kind of induction type data transmission method that the present invention proposes, embodiments provide a kind of electromagnetic coupled principle by induction coil and set up the method that usb data communication is carried out in radio communication connection, described induction type data transmission method at least comprises as shown in Figure 1:
Step S110, digital terminal obtains the contact induction signal contacted with mobile terminal.In specific implementation, described digital terminal comprises USB main equipment (as computer) and induction pallet, wherein, the induction coil of touch induction device and usb data communication is embedded in induction pallet, induction pallet can be connected in USB main equipment by USB cable, the main equipment that also directly induction pallet can be embedded into USB forms an induction zone.Described mobile terminal comprises portable set (as mobile phone, Pad) and induction installation, and wherein, induction installation to be embedded in portable set and to have defined an induction zone, and there are induction coil and the touch induction device of data communication in inside, induction zone.When mobile terminal is put in the induction pallet of digital terminal, touch induction device and the digital terminal touch induction device of digital terminal will produce mutual inductance, and form a contact induction signal, after the existence confirming the other side, the contact induction signal transmission that gets is given inner communication logic controller by digital terminal, is then carried out the operation communicated to connect again by communication logic controller.Equally, after acquisition for mobile terminal to contact induction signal, usb data communication state is switched to equally by operation state controller.Wherein, described contact induction signal is hot plug signal.
Optionally, in order to the existing USB main equipment of compatibility, digital termination system can be selected to be connected in USB main equipment by the mode of USB cable by induction pallet, and induction pallet also can be embedded in main equipment certainly, what just connect is not USB cable, but usb data stream.In addition, the major function of the touch induction device in digital terminal induction pallet and the touch induction device of mobile terminal is to provide USB hot plug information, because the present invention is induction type transmission, the electrical connection on not direct, so can only provide hot plug information by non-electrical connected mode.Touch induction device can be infrared induction, also can be gravity sensing and RF(Radio Frequency) rfid device.
Step S120, the contact induction signal that digital terminal contacts according to the described and described mobile terminal got, sets up wireless electromagnetic coupled communication with described mobile terminal and is connected.In specific implementation, digital terminal is after getting described contact induction signal, by contact induction signal transmission to communication logic controller, the induction coil work that communication logic controller will drive in induction pallet, the communication logic controller of same mobile terminal will drive induction coil work, the magnetic flux of the induction coil of the two just forms intercommunication, completes wireless electromagnetic coupled communication and connects.Wherein, induction coil is the carrier of data communication, and it is a unidirectional copper cash winding, the same with the operation principle of transformer, does not just have magnetic conductor in the middle of coil.Digital terminal and mobile terminal set up wireless electromagnetic coupled communication when being connected, the axis parallel of the induction coil of digital terminal and the induction coil of mobile terminal, area coil covers, and the magnetic flux of the coil of digital terminal box mobile terminal just can intercommunication, the so just coupling of energy settling signal.In order to make signal integrality more, induction coil needs to add impedance matching unit, and induction pallet should mark out best induction zone, because the mutual area coverage of two coils is larger, the efficiency of coupling is also larger.
Step S130, digital terminal is connected according to the wireless electromagnetic coupled communication that described mobile terminal is set up, and carries out usb data communication with described mobile terminal.In specific implementation, described digital terminal comprises usb protocol interpreter, communication logic controller, coil actuator, induction coil and signal amplification shaping device, digital terminal and mobile terminal complete the transmission of usb data, are to be realized by the mutual cooperation of said apparatus.Described usb protocol interpreter obtains the directional information of carrying out usb data communication with described mobile terminal, and described directional information comprises and sends to mobile terminal the direction that the direction of data and mobile terminal receive send data.If the directional information that the described and described mobile terminal that described usb protocol interpreter gets carries out usb data communication is the direction sending data to mobile terminal, the then enable described coil actuator of described communication logic controller, to make described coil actuator carry out amplification process to data-signal, the described induction coil setting up the connection of wireless electromagnetic coupled communication is made to be sent to described mobile terminal by described through amplifying the data-signal processed.If the directional information that the described and described mobile terminal that described usb protocol interpreter gets carries out usb data communication is the direction that mobile terminal receive sends data, the then enable described signal amplification shaping device of described communication logic controller, makes described signal amplification shaping device that the data-signal that the described mobile terminal that the described induction coil setting up the connection of wireless electromagnetic coupled communication receives sends is carried out amplification Shape correction.
Optionally, the speed step information of the digital terminal also transmission of mobile terminal receive, according to the speed step information receiving described mobile terminal and send, carries out usb data communication with described mobile terminal.In specific implementation, when digital terminal and mobile terminal produce contact induction signal by touch induction device, the speed step information of oneself is sent to the touch induction device of digital terminal by mobile terminal, speed step information is passed to communication logic controller by touch induction device, then the speed step message notice USB main equipment that will receive of communication logic controller, data that USB main equipment sends according to this class information mobile terminal receive or send data to mobile terminal.
Wherein, usb protocol interpreter can identify all usb protocols, and it mainly extracts the directional information of USB data transmission according to usb protocol, directional information is transferred to communication logic controller simultaneously.The data of transmission are outputted to coil actuator, the data received are transferred to USB device by usb protocol interpreter or a data shunt.
Wherein, communication logic controller is for receiving the signal from touch induction device and usb protocol interpreter, then according to the signal controlling USB work received, its Main Function is the direction being controlled USB data transmission by the enable signal of control coil driver and signal amplification shaping device.
Wherein, coil actuator is controlled by an Enable Pin, drive coil work time enable, enable invalid time export high resistant, doing so avoids the impact on receiving, adding coil actuator main cause is strengthen usb data signal energy, and promote the laser propagation effect of induction coil, coil actuator is exactly in fact a high-frequency differential amplifier with certain driving force.
Wherein, signal amplification shaping device also by the control of Enable Pin, when enable effective time the small-signal from coil carried out amplify, be shaped into the level range that usb protocol specifies.And enable invalid time export high resistant, avoid to data send have an impact.Coil actuator, signal amplification shaping device and communication logic controller in substance form the tri-state gate circuit of a simulation.
Fig. 2 is the method flow diagram that the digital terminal that proposes of the present invention and mobile terminal carry out induction type transfer of data, and the embodiment of the present invention at least comprises as shown in the figure:
Step S210, mobile terminal puts into the induction pallet of digital terminal, and digital terminal and mobile terminal obtain contact induction signal respectively.In specific implementation, described digital terminal comprises USB main equipment (as computer) and induction pallet, wherein, the induction coil of touch induction device and usb data communication is embedded in induction pallet, induction pallet can be connected in USB main equipment by USB cable, the main equipment that also directly induction pallet can be embedded into USB forms an induction zone.Described mobile terminal comprises portable set (as mobile phone, Pad) and induction installation, and wherein, induction installation to be embedded in portable set and to have defined an induction zone, and there are induction coil and the touch induction device of data communication in inside, induction zone.When mobile terminal is put in the induction pallet of digital terminal, touch induction device and the digital terminal touch induction device of digital terminal will produce mutual inductance, and form a contact induction signal, after the existence confirming the other side, the contact induction signal transmission that gets is given inner communication logic controller by digital terminal, is then carried out the operation communicated to connect again by communication logic controller.Equally, after acquisition for mobile terminal to contact induction signal, usb data communication state is switched to equally by operation state controller.Wherein, described contact induction signal is hot plug signal.
Optionally, in order to the existing USB main equipment of compatibility, digital termination system can be selected to be connected in USB main equipment by the mode of USB cable by induction pallet, and induction pallet also can be embedded in main equipment certainly, what just connect is not USB cable, but usb data stream.In addition, the major function of the touch induction device in digital terminal induction pallet and the touch induction device of mobile terminal is to provide USB hot plug information, because the present invention is induction type transmission, the electrical connection on not direct, so can only provide hot plug information by non-electrical connected mode.Touch induction device can be infrared induction, also can be gravity sensing and RF rfid device.
Step S220, the speed step information of the transmission of digital terminal mobile terminal receive.In specific implementation, when digital terminal and mobile terminal produce contact induction signal by touch induction device, therebetween will simply communicate, the speed step information of oneself is sent to the touch induction device of digital terminal by mobile terminal, speed step information is passed to communication logic controller by touch induction device, then the speed step message notice USB main equipment that will receive of communication logic controller.Data that USB main equipment sends according to this class information mobile terminal receive or send data to mobile terminal, data that mobile terminal sends according to this speed step receives information digital terminal equally or send data to digital terminal.
Step S230, sets up wireless electromagnetic coupled communication and connects between digital terminal and mobile terminal.In specific implementation, digital terminal is after getting described contact induction signal, by contact induction signal transmission to communication logic controller, the induction coil work that communication logic controller will drive in induction pallet, the communication logic controller of same mobile terminal also drives induction coil work, the magnetic flux of the induction coil of the two just forms intercommunication, completes wireless electromagnetic coupled communication and connects.Wherein, induction coil is the carrier of data communication, and it is a unidirectional copper cash winding, the same with the operation principle of transformer, does not just have magnetic conductor in the middle of coil.Digital terminal and mobile terminal set up wireless electromagnetic coupled communication when being connected, the axis parallel of the induction coil of digital terminal and the induction coil of mobile terminal, area coil covers, and the magnetic flux of the coil of digital terminal box mobile terminal just can intercommunication, the so just coupling of energy settling signal.In order to make signal integrality more, induction coil needs to add impedance matching unit, and induction pallet should mark out best induction zone, because the mutual area coverage of two coils is larger, the efficiency of coupling is also larger.
Step S240, digital terminal and mobile terminal mutually receive or send data-signal, carry out usb data communication.In specific implementation, described digital terminal and described mobile terminal all comprise: usb protocol interpreter, communication logic controller, coil actuator, induction coil and signal amplification shaping device.Digital terminal and mobile terminal complete the transmission of usb data, are to be realized by the mutual cooperation of said apparatus.
At digital terminal, usb protocol interpreter obtains and carries out the directional information of usb data communication with described mobile terminal, and described directional information comprises and sends to mobile terminal the direction that the direction of data and mobile terminal receive send data.If the directional information that the described and described mobile terminal that described usb protocol interpreter gets carries out usb data communication is the direction sending data to mobile terminal, the then enable described coil actuator of described communication logic controller, to make described coil actuator carry out amplification process to data-signal, the described induction coil setting up the connection of wireless electromagnetic coupled communication is made to be sent to described mobile terminal by described through amplifying the data-signal processed.If the directional information that the described and described mobile terminal that described usb protocol interpreter gets carries out usb data communication is the direction that mobile terminal receive sends data, the then enable described signal amplification shaping device of described communication logic controller, makes described signal amplification shaping device that the data-signal that the described mobile terminal that the described induction coil setting up the connection of wireless electromagnetic coupled communication receives sends is carried out amplification Shape correction.
At mobile terminal, described usb protocol interpreter obtains the directional information of carrying out usb data communication with described digital terminal, and described directional information comprises and sends the direction of data to digital terminal and receive the direction that digital terminal sends data.If the directional information that the described and described digital terminal that described usb protocol interpreter gets carries out usb data communication is the direction sending data to data terminal, the then enable described coil actuator of described communication logic controller, to make described coil actuator carry out amplification process to data-signal, the described induction coil setting up the connection of wireless electromagnetic coupled communication is made to be sent to described digital terminal by described through amplifying the data-signal processed.If the directional information that the described and described digital terminal that described usb protocol interpreter gets carries out usb data communication is receive the direction that digital terminal sends data, the then enable described signal amplification shaping device of described communication logic controller, makes described signal amplification shaping device that the data-signal that the described digital terminal that the described induction coil setting up the connection of wireless electromagnetic coupled communication receives sends is carried out amplification Shape correction.
Step S250, disconnects the communications status of digital terminal and mobile terminal.When disconnecting, the induction pallet of mobile terminal from digital terminal can be removed, in the process removing mobile terminal, control is closed coil actuator by the touch induction device of mobile terminal, then carries out a time delay until turning-off mobile terminal device power supply (DPS) (or making mobile terminal exit usb communication state).
Refer to Fig. 3, Fig. 3 is the structural representation of an embodiment of the digital terminal for sensor-type transfer of data that the present invention proposes.Described digital terminal at least comprises: induced signal acquisition module 310, communication connection module 320 and usb data communication module 330, wherein:
Induced signal acquisition module 310, for obtaining the contact induction signal contacted with mobile terminal.Concrete, described digital terminal comprises USB main equipment (as computer) and induction pallet, wherein, the induction coil of touch induction device and usb data communication is embedded in induction pallet, induction pallet can be connected in USB main equipment by USB cable, the main equipment that also directly induction pallet can be embedded into USB forms an induction zone.Described mobile terminal comprises portable set (as mobile phone, Pad) and induction installation, and wherein, induction installation to be embedded in portable set and to have defined an induction zone, and there are induction coil and the touch induction device of data communication in inside, induction zone.When mobile terminal is put in the induction pallet of digital terminal, touch induction device and the digital terminal touch induction device of digital terminal will produce mutual inductance, and form a contact induction signal, after the existence confirming the other side, the contact induction signal transmission that gets is given inner communication logic controller by digital terminal, is then carried out the operation communicated to connect again by communication logic controller.Equally, after acquisition for mobile terminal to contact induction signal, usb data communication state is switched to equally by operation state controller.Wherein, described contact induction signal is hot plug signal.
Optionally, in order to the existing USB main equipment of compatibility, digital termination system can be selected to be connected in USB main equipment by the mode of USB cable by induction pallet, and induction pallet also can be embedded in main equipment certainly, what just connect is not USB cable, but usb data stream.In addition, the major function of the touch induction device in digital terminal induction pallet and the touch induction device of mobile terminal is to provide USB hot plug information, because the present invention is induction type transmission, the electrical connection on not direct, so can only provide hot plug information by non-electrical connected mode.Touch induction device can be infrared induction, also can be gravity sensing and RF rfid device.
Communication connection module 320, for the contact induction signal contacted with described mobile terminal described in getting according to induced signal acquisition module 310, sets up wireless electromagnetic coupled communication with described mobile terminal and is connected.Concrete, digital terminal is after getting described contact induction signal, by contact induction signal transmission to communication logic controller, the induction coil work that communication logic controller will drive in induction pallet, the communication logic controller of same mobile terminal will drive induction coil work, the magnetic flux of the induction coil of the two just forms intercommunication, completes wireless electromagnetic coupled communication and connects.Wherein, induction coil is the carrier of data communication, and it is a unidirectional copper cash winding, the same with the operation principle of transformer, does not just have magnetic conductor in the middle of coil.Digital terminal and mobile terminal set up wireless electromagnetic coupled communication when being connected, the axis parallel of the induction coil of digital terminal and the induction coil of mobile terminal, area coil covers, and the magnetic flux of the coil of digital terminal box mobile terminal just can intercommunication, the so just coupling of energy settling signal.In order to make signal integrality more, induction coil needs to add impedance matching unit, and induction pallet should mark out best induction zone, because the mutual area coverage of two coils is larger, the efficiency of coupling is also larger.
Usb data communication module 330, is connected for the wireless electromagnetic coupled communication set up according to communication connection module 320 and described mobile terminal, carries out usb data communication with described mobile terminal.Concrete, as shown in Figure 4, described digital terminal comprises usb protocol interpreter 431, communication logic controller 432, coil actuator 433, signal amplification shaping device 434 and induction coil 435, digital terminal and mobile terminal complete the transmission of usb data, realized by the mutual cooperation of said apparatus, wherein:
Described usb protocol interpreter 431 carries out the directional information of usb data communication with described digital terminal for obtaining, described directional information comprises and sends the direction of data to digital terminal and receive digital terminal and send the direction of data.
If the directional information that the described and described digital terminal that described usb protocol interpreter 431 gets carries out usb data communication is the direction sending data to data terminal, the then enable described coil actuator 433 of described communication logic controller 432, to make described coil actuator 433 pairs of data-signals carry out amplification process, the described induction coil 435 setting up the connection of wireless electromagnetic coupled communication is made to be sent to described digital terminal by described through amplifying the data-signal processed;
If the directional information that the described and described digital terminal that described usb protocol interpreter 431 gets carries out usb data communication is receive the direction that digital terminal sends data, the then enable described signal amplification shaping device 434 of described communication logic controller 432, makes described signal amplification shaping device 434 that the data-signal that the described digital terminal that the described induction coil 435 setting up the connection of wireless electromagnetic coupled communication receives sends is carried out amplification Shape correction.
Optionally, the speed step information of the digital terminal also transmission of mobile terminal receive, according to the speed step information receiving described mobile terminal and send, carries out usb data communication with described mobile terminal.In specific implementation, when digital terminal and mobile terminal produce contact induction signal by touch induction device, the speed step information of oneself is sent to the touch induction device of digital terminal by mobile terminal, speed step information is passed to communication logic controller by touch induction device, then the speed step message notice USB main equipment that will receive of communication logic controller, data that USB main equipment sends according to this class information mobile terminal receive or send data to mobile terminal.
Wherein, usb protocol interpreter can identify all usb protocols, and it mainly extracts the directional information of USB data transmission according to usb protocol, directional information is transferred to communication logic controller simultaneously.The data of transmission are outputted to coil actuator, the data received are transferred to USB device by usb protocol interpreter or a data shunt.
Wherein, communication logic controller is for receiving the signal from touch induction device and usb protocol interpreter, then according to the signal controlling USB work received, its Main Function is the direction being controlled USB data transmission by the enable signal of control coil driver and signal amplification shaping device.
Wherein, coil actuator is controlled by an Enable Pin, drive coil work time enable, enable invalid time export high resistant, doing so avoids the impact on receiving, adding coil actuator main cause is strengthen usb data signal energy, and promote the laser propagation effect of induction coil, coil actuator is exactly in fact a high-frequency differential amplifier with certain driving force.
Wherein, signal amplification shaping device also by the control of Enable Pin, when enable effective time the small-signal from coil carried out amplify, be shaped into the level range that usb protocol specifies.And enable invalid time export high resistant, avoid to data send have an impact.Coil actuator, signal amplification shaping device and communication logic controller in substance form the tri-state gate circuit of a simulation.
The structural representation of one embodiment of the mobile terminal for sensor-type transfer of data that Fig. 5 the present invention proposes, described mobile terminal comprises as shown in the figure: induced signal acquisition module 510, velocity information sending module 520, communication connection module 530 and usb data communication module 540, wherein:
Induced signal acquisition module 510, for obtaining the contact induction signal contacted with described digital terminal.The same with described digital terminal, induction installation to be embedded in mobile terminal and to have defined an induction zone, and there are induction coil and the touch induction device of data communication in inside, induction zone.When mobile terminal is put in the induction pallet of digital terminal, touch induction device and the digital terminal touch induction device of digital terminal will produce mutual inductance, and form a contact induction signal, after the existence confirming the other side, mobile terminal, to contact induction signal, is switched to usb data communication state by operation state controller by acquisition for mobile terminal.Wherein, described contact induction signal is hot plug signal.
Velocity information sending module 520, for sending described speed step information to described digital terminal, carries out usb data communication to make described digital terminal according to described speed step information and described digital terminal.After obtaining described contact induction signal by induced signal acquisition module 510, mobile terminal simply communicates with digital terminal, speed step information is sent to digital terminal, after digital terminal receives this speed step information, the two just carries out usb data communication according to this speed step information.
Communication connection module 530, for the contact induction signal contacted with described digital terminal described in getting according to induced signal acquisition module 510, sets up wireless electromagnetic coupled communication with described digital terminal and is connected.The same with digital terminal, mobile terminal is after getting described contact induction signal, by contact induction signal transmission to communication logic controller, the induction coil work that communication logic controller will drive in induction pallet, the communication logic controller of same digital terminal will drive induction coil work, the magnetic flux of the induction coil of the two just forms intercommunication, completes wireless electromagnetic coupled communication and connects.
Usb data communication module 540, is connected for the wireless electromagnetic coupled communication set up according to communication connection module 530 and described digital terminal, carries out usb data communication with described digital terminal.Concrete, described usb data communication module also comprises usb protocol interpreter 431, communication logic controller 432, coil actuator 433, signal amplification shaping device 434 and induction coil 435 as shown in Figure 4, digital terminal and mobile terminal complete the transmission of usb data, realized by the mutual cooperation of said apparatus, wherein:
Described usb protocol interpreter 431 carries out the directional information of usb data communication with described digital terminal for obtaining, described directional information comprises and sends the direction of data to digital terminal and receive digital terminal and send the direction of data.If the directional information that the described and described digital terminal that described usb protocol interpreter 431 gets carries out usb data communication is the direction sending data to data terminal, the then enable described coil actuator 432 of described communication logic controller 431, to make described coil actuator 432 pairs of data-signals carry out amplification process, the described induction coil 435 setting up the connection of wireless electromagnetic coupled communication is made to be sent to described digital terminal by described through amplifying the data-signal processed.If the directional information that the described and described digital terminal that described usb protocol interpreter 431 gets carries out usb data communication is receive the direction that digital terminal sends data, the then enable described signal amplification shaping device 434 of described communication logic controller 432, makes described signal amplification shaping device 434 that the data-signal that the described digital terminal that the described induction coil 435 setting up the connection of wireless electromagnetic coupled communication receives sends is carried out amplification Shape correction.
The embodiment of the present invention proposes a kind of method of induction type transfer of data, digital terminal and mobile terminal.When mobile terminal being put into the induction pallet of digital terminal, the two produces contact induction signal; Digital terminal and mobile terminal, respectively according to the contact induction signal got, are set up wireless electromagnetic coupled communication between and are connected, and connected, carry out usb data communication by the wireless electromagnetic coupled communication set up.The embodiment of the present invention achieves the wireless connections of USB device, by mobile terminal by placing the communication just can carrying out usb data after requirement is directly put into the induction zone of digital terminal, ensures high efficiency and the high reliability of transfer of data.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (8)
1. an induction type data transmission method, is characterized in that, digital terminal comprises touch induction device, usb protocol interpreter, communication logic controller, coil actuator, induction coil and signal amplification shaping device, and described method comprises:
Described touch induction device obtains the contact induction signal contacted with mobile terminal;
The contact induction signal that described induction coil contacts according to the described and described mobile terminal got, sets up wireless electromagnetic coupled communication with described mobile terminal and is connected;
Described usb protocol interpreter obtains the directional information of carrying out usb data communication with described mobile terminal, and described directional information comprises and sends the direction of data to described mobile terminal and receive the direction that described mobile terminal sends data;
If described directional information is the direction sending data to described mobile terminal, the then enable described coil actuator of described communication logic controller, to make described coil actuator, amplification process is carried out to data-signal, described induction coil is made to be sent to described mobile terminal by described through amplifying the data-signal processed, if described directional information is receive the direction that described mobile terminal sends data, the then enable described signal amplification shaping device of described communication logic controller, the data-signal that the described mobile terminal that described induction coil is received by described signal amplification shaping device sends carries out amplification Shape correction.
2. induction type data transmission method as claimed in claim 1, is characterized in that, the contact induction signal that the described and described mobile terminal that described basis gets contacts, and sets up after wireless electromagnetic coupled communication is connected, also comprise with described mobile terminal:
Digital terminal receives the speed step information that described mobile terminal sends;
Digital terminal, according to the speed step information receiving the transmission of described mobile terminal, carries out usb data communication with described mobile terminal.
3. an induction type data transmission method, is characterized in that, mobile terminal comprises touch induction device, usb protocol interpreter, communication logic controller, coil actuator, induction coil and signal amplification shaping device, and described method comprises:
Described touch induction device obtains the contact induction signal contacted with digital terminal;
The contact induction signal that described induction coil contacts according to the described and described digital terminal got, sets up wireless electromagnetic coupled communication with described digital terminal and is connected;
Described usb protocol interpreter obtains the directional information of carrying out usb data communication with described digital terminal, and described directional information comprises and sends the direction of data to described digital terminal and receive the direction that described digital terminal sends data;
If described directional information is the direction sending data to described digital terminal, the then enable described coil actuator of described communication logic controller, to make described coil actuator, amplification process is carried out to data-signal, described induction coil is made to be sent to described digital terminal by described through amplifying the data-signal processed, if described directional information is receive the direction that described digital terminal sends data, the then enable described signal amplification shaping device of described communication logic controller, the data-signal that the described digital terminal that described induction coil is received by described signal amplification shaping device sends carries out amplification Shape correction.
4. induction type data transmission method as claimed in claim 3, is characterized in that, the contact induction signal that the described and described digital terminal that described basis gets contacts, and sets up after wireless electromagnetic coupled communication is connected, also comprise with described digital terminal:
Mobile terminal, to described digital terminal transmission speed class information, carries out usb data communication to make described digital terminal according to described speed step information and described mobile terminal.
5. a digital terminal, is characterized in that, described terminal comprises:
Induced signal acquisition module, for obtaining the contact induction signal contacted with mobile terminal by touch induction device;
Communication connection module, the contact induction signal contacted with described mobile terminal described in getting for basis, sets up wireless electromagnetic coupled communication by induction coil and described mobile terminal and is connected;
Direction determination module, carries out the directional information of usb data communication for being obtained by usb protocol interpreter with described mobile terminal, and described directional information comprises and sends the direction of data to described mobile terminal and receive the direction that described mobile terminal sends data;
Usb data communication module, if for described directional information be the direction sending data to described mobile terminal, then by the enable coil actuator of communication logic controller, to make described coil actuator, amplification process is carried out to data-signal, described induction coil is made to be sent to described mobile terminal by described through amplifying the data-signal processed, if described directional information is receive the direction that described mobile terminal sends data, then by communication logic controller enable signal amplification shaping device, the data-signal that the described mobile terminal that described induction coil is received by described signal amplification shaping device sends carries out amplification Shape correction.
6. digital terminal as claimed in claim 5, it is characterized in that, described digital terminal also comprises:
Velocity information receiver module, for receiving the speed step information that described mobile terminal sends;
Speeds control communication module, for according to the speed step information receiving the transmission of described mobile terminal, carries out usb data communication with described mobile terminal.
7. a mobile terminal, is characterized in that, described mobile terminal comprises:
Induced signal acquisition module, for obtaining the contact induction signal contacted with digital terminal by touch induction device;
Communication connection module, the contact induction signal contacted with described digital terminal described in getting for basis, sets up wireless electromagnetic coupled communication by induction coil and described digital terminal and is connected;
Direction determination module, carries out the directional information of usb data communication for being obtained by usb protocol interpreter with described digital terminal, and described directional information comprises and sends the direction of data to described digital terminal and receive the direction that described digital terminal sends data;
Usb data communication module, if for described directional information be the direction sending data to described digital terminal, then by the enable coil actuator of communication logic controller, to make described coil actuator, amplification process is carried out to data-signal, described induction coil is made to be sent to described digital terminal by described through amplifying the data-signal processed, if described directional information is receive the direction that described digital terminal sends data, then by communication logic controller enable signal amplification shaping device, the data-signal that the described digital terminal that described induction coil is received by described signal amplification shaping device sends carries out amplification Shape correction.
8. mobile terminal as claimed in claim 7, it is characterized in that, described mobile terminal also comprises:
Velocity information sending module, for described digital terminal transmission speed class information, carries out usb data communication to make described digital terminal according to described speed step information and described mobile terminal.
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