CN103618831A - 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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- CN103618831A CN103618831A CN201310628875.1A CN201310628875A CN103618831A CN 103618831 A CN103618831 A CN 103618831A CN 201310628875 A CN201310628875 A CN 201310628875A CN 103618831 A CN103618831 A CN 103618831A
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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, relate in particular 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 now a lot of portable sets are all with usb data coffret, such as mobile phone, MP3, pad etc.These USB device are carried out physical connection by USB cable, grafting port conventionally, just keep away unavoidably and will constantly plug USB port like this in the process of using USB device, not only use inconvenience, also easily cause USB interface physical damage.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, a kind of induction type data transmission method, digital terminal and mobile terminal are provided.The wireless connections of USB device be can realize, and high efficiency and the high reliability of transfer of data guaranteed.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of induction type data transmission method, comprising:
Digital terminal obtains the contact induction signal contacting with mobile terminal;
The contact induction signal that digital terminal contacts according to the described and described mobile terminal getting, sets up wireless electromagnetic coupled communication with described mobile terminal and is connected;
Digital terminal is connected according to the wireless electromagnetic coupled communication of setting up with described mobile terminal, carries out usb data communication with described mobile terminal.
Wherein, described digital terminal is connected according to the wireless electromagnetic coupled communication of setting up with described mobile terminal, carries out comprising before 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 that receives described mobile terminal transmission, 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 of setting up with described mobile terminal, 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 to the direction of the direction of mobile terminal transmission data and mobile terminal receive transmission data;
If the described and described mobile terminal that described usb protocol interpreter gets carries out the directional information of usb data communication for send the direction of data to mobile terminal, described communication logic controller enables described coil actuator, so that described coil actuator amplifies processing to data-signal, make the described induction coil of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described mobile terminal by described;
If it is the direction that mobile terminal receive sends data that the described and described mobile terminal that described usb protocol interpreter gets carries out the directional information of usb data communication, described communication logic controller enables described signal amplification shaping device, and the data-signal that the described mobile terminal that described signal amplification shaping device is received the described induction coil of setting up the connection of wireless electromagnetic coupled communication sends amplifies 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 getting, sets up wireless electromagnetic coupled communication with described digital terminal and is connected;
Mobile terminal is connected according to the wireless electromagnetic coupled communication of setting up with described digital terminal, carries out usb data communication with described digital terminal.
Wherein, described mobile terminal is connected according to the wireless electromagnetic coupled communication of setting up with described digital terminal, carries out comprising before usb data communication with described digital terminal:
Mobile terminal sends described speed step information to described digital terminal, so that described digital terminal carries out usb data communication 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 of setting up with described digital terminal, 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 the direction and the direction that receives digital terminal transmission data that sends data to digital terminal;
If the described and described digital terminal that described usb protocol interpreter gets carries out the directional information of usb data communication for send the direction of data to data terminal, described communication logic controller enables described coil actuator, so that described coil actuator amplifies processing to data-signal, make the described induction coil of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described digital terminal by described;
If carrying out the directional information of usb data communication, the described and described digital terminal that described usb protocol interpreter gets for receiving digital terminal, sends the direction of data, described communication logic controller enables described signal amplification shaping device, and the data-signal that the described digital terminal that described signal amplification shaping device is received the described induction coil of setting up the connection of wireless electromagnetic coupled communication sends amplifies Shape correction.
Correspondingly, the embodiment of the present invention also 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 contacting with mobile terminal;
Communication connection module, for the contact induction signal contacting according to the described and described mobile terminal getting, sets up wireless electromagnetic coupled communication with described mobile terminal and is connected;
Usb data communication module, for being connected according to the wireless electromagnetic coupled communication of setting up with described mobile terminal, carries out usb data communication with described mobile terminal.
Wherein, described digital terminal also comprises:
Velocity information receiver module, the speed step information sending for receiving described mobile terminal;
Speed is controlled communication module, for according to the speed step information that receives described mobile terminal transmission, 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 is for obtaining the directional information of carrying out usb data communication with described digital terminal, and described directional information comprises the direction and the direction that receives digital terminal transmission data that sends data to digital terminal;
If the described and described digital terminal that described usb protocol interpreter gets carries out the directional information of usb data communication for send the direction of data to data terminal, described communication logic controller enables described coil actuator, so that described coil actuator amplifies processing to data-signal, make the described induction coil of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described digital terminal by described;
If carrying out the directional information of usb data communication, the described and described digital terminal that described usb protocol interpreter gets for receiving digital terminal, sends the direction of data, described communication logic controller enables described signal amplification shaping device, and the data-signal that the described digital terminal that described signal amplification shaping device is received the described induction coil of setting up the connection of wireless electromagnetic coupled communication sends amplifies Shape correction.
Wherein, described mobile terminal comprises:
Induced signal acquisition module, for obtaining the contact induction signal contacting with described digital terminal;
Communication connection module, for the contact induction signal contacting according to the described and described digital terminal getting, sets up wireless electromagnetic coupled communication with described digital terminal and is connected;
Usb data communication module, for being connected according to the wireless electromagnetic coupled communication of setting up with described digital terminal, 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, so that described digital terminal carries out usb data communication according to described speed step information and described digital terminal to 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 is for obtaining the directional information of carrying out usb data communication with described digital terminal, and described directional information comprises the direction and the direction that receives digital terminal transmission data that sends data to digital terminal;
If the described and described digital terminal that described usb protocol interpreter gets carries out the directional information of usb data communication for send the direction of data to data terminal, described communication logic controller enables described coil actuator, so that described coil actuator amplifies processing to data-signal, make the described induction coil of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described digital terminal by described;
If carrying out the directional information of usb data communication, the described and described digital terminal that described usb protocol interpreter gets for receiving digital terminal, sends the direction of data, described communication logic controller enables described signal amplification shaping device, and the data-signal that the described digital terminal that described signal amplification shaping device is received the described induction coil of setting up the connection of wireless electromagnetic coupled communication sends amplifies Shape correction.
Implement the embodiment of the present invention, there is following beneficial effect: digital terminal obtains the contact induction signal contacting with mobile terminal; The contact induction signal that digital terminal contacts according to the described and described mobile terminal getting, sets up wireless electromagnetic coupled communication with described mobile terminal and is connected; Digital terminal is connected according to the wireless electromagnetic coupled communication of setting up with described mobile terminal, carries out usb data communication with described mobile terminal.Realized the wireless connections of USB device, mobile terminal just can have been carried out to usb data communication, high efficiency and the high reliability of assurance transfer of data after placing requirements and be directly put into the induction zone of digital terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the first embodiment flow chart of a kind of induction type data transmission method of proposing of the present invention;
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 proposes of the present invention;
Fig. 4 is an example structure schematic diagram of the usb data communication module of embodiment of the present invention proposition;
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, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining 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 of proposing of the present invention, the embodiment of the present invention provides a kind of electromagnetic coupled principle by induction coil to set up the method that radio communication connects to carry out usb data communication, and described induction type data transmission method at least comprises as shown in Figure 1:
Step S110, digital terminal obtains the contact induction signal contacting with mobile terminal.In specific implementation, described digital terminal comprises USB main equipment (as computer) and induction pallet, wherein, in induction pallet, embedded the induction coil of touch induction device and usb data communication, can induction pallet be connected on USB main equipment by USB cable, also can be directly induction pallet be embedded on the main equipment of USB and form an induction zone.Described mobile terminal comprises portable set (as mobile phone, Pad) and induction installation, and wherein, induction installation has been embedded in portable set and has formed an induction zone, induction coil and touch induction device that inside, induction zone has data communication to use.When mobile terminal is put in the induction pallet of digital terminal, the touch induction device of digital terminal and digital terminal touch induction device will produce mutual inductance, and form a contact induction signal, after having confirmed the other side's existence, digital terminal passes to inner communication logic controller by the contact induction signal getting, and then by communication logic controller, is communicated the operation of connection again.Equally, acquisition for mobile terminal, after contact induction signal, is switched to usb data communication state equally by working state control device.Wherein, described contact induction signal is hot plug signal.
Optionally, for the existing USB main equipment of compatibility, digital termination system can be selected by the mode of USB cable, induction pallet to be connected on USB main equipment, certainly responds to pallet and also can be embedded in main equipment, 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, there is no the electrical connection on direct, so can only provide hot plug information with non-electric connecting mode.Touch induction device can be infrared induction, can be also 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 getting, 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, contact induction signal is passed to communication logic controller, communication logic controller is by the induction coil work driving in induction pallet, the communication logic controller of same mobile terminal will drive induction coil work, the magnetic flux chain of the induction coil of the two just forms intercommunication, completes wireless electromagnetic coupled communication and connects.Wherein, the carrier that induction coil is data communication, it is a unidirectional copper cash winding, the same with the operation principle of transformer, just in the middle of coil, does not have magnetic conductor.When digital terminal and mobile terminal are set up wireless electromagnetic coupled communication and are 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 chain 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 need 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 of setting up with described mobile terminal, 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 that the mutual cooperation by said apparatus realizes.Described usb protocol interpreter obtains the directional information of carrying out usb data communication with described mobile terminal, and described directional information comprises to the direction of the direction of mobile terminal transmission data and mobile terminal receive transmission data.If the described and described mobile terminal that described usb protocol interpreter gets carries out the directional information of usb data communication for send the direction of data to mobile terminal, described communication logic controller enables described coil actuator, so that described coil actuator amplifies processing to data-signal, make the described induction coil of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described mobile terminal by described.If it is the direction that mobile terminal receive sends data that the described and described mobile terminal that described usb protocol interpreter gets carries out the directional information of usb data communication, described communication logic controller enables described signal amplification shaping device, and the data-signal that the described mobile terminal that described signal amplification shaping device is received the described induction coil of setting up the connection of wireless electromagnetic coupled communication sends amplifies Shape correction.
Optionally, digital terminal is the speed step information of the transmission of mobile terminal receive also, according to the speed step information that receives described mobile terminal transmission, 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, mobile terminal sends to the speed step information of oneself touch induction device of digital terminal, touch induction device passes to communication logic controller by speed step information, then communication logic controller is by the speed step information notice USB main equipment receiving, and USB main equipment is according to the data of this class information mobile terminal receive transmission or send data to mobile terminal.
Wherein, usb protocol interpreter can be identified 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.Usb protocol interpreter or a data shunt, output to coil actuator by the data of transmission, by the transfer of data receiving to USB device.
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 receiving, its Main Function is by the enable signal of control coil driver and signal amplification shaping device, to control the direction of usb data transmission.
Wherein, coil actuator is controlled by an Enable Pin, drive coil work while enabling, enable to export when invalid high resistant, so just avoided the impact on receiving, adding coil actuator main cause is to strengthen usb data signal energy, promotes the laser propagation effect of induction coil, and coil actuator is exactly in fact a high-frequency differential amplifier with certain driving force.
Wherein, signal amplification shaping device is also subject to the control of Enable Pin, when enabling the small-signal from coil to be amplified, is shaped into when effective the level range of usb protocol regulation.And enable when invalid to export high resistant, avoid data to send and exert an influence.Coil actuator, in fact signal amplification shaping device and communication logic controller have formed 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 is put into the induction pallet of digital terminal, and digital terminal and mobile terminal obtain respectively contact induction signal.In specific implementation, described digital terminal comprises USB main equipment (as computer) and induction pallet, wherein, in induction pallet, embedded the induction coil of touch induction device and usb data communication, can induction pallet be connected on USB main equipment by USB cable, also can be directly induction pallet be embedded on the main equipment of USB and form an induction zone.Described mobile terminal comprises portable set (as mobile phone, Pad) and induction installation, and wherein, induction installation has been embedded in portable set and has formed an induction zone, induction coil and touch induction device that inside, induction zone has data communication to use.When mobile terminal is put in the induction pallet of digital terminal, the touch induction device of digital terminal and digital terminal touch induction device will produce mutual inductance, and form a contact induction signal, after having confirmed the other side's existence, digital terminal passes to inner communication logic controller by the contact induction signal getting, and then by communication logic controller, is communicated the operation of connection again.Equally, acquisition for mobile terminal, after contact induction signal, is switched to usb data communication state equally by working state control device.Wherein, described contact induction signal is hot plug signal.
Optionally, for the existing USB main equipment of compatibility, digital termination system can be selected by the mode of USB cable, induction pallet to be connected on USB main equipment, certainly responds to pallet and also can be embedded in main equipment, 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, there is no the electrical connection on direct, so can only provide hot plug information with non-electric connecting mode.Touch induction device can be infrared induction, can be also 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, between the two, will simply communicate by letter, mobile terminal sends to the speed step information of oneself touch induction device of digital terminal, touch induction device passes to communication logic controller by speed step information, and then communication logic controller is by the speed step information notice USB main equipment receiving.USB main equipment is according to the data of this class information mobile terminal receive transmission or send data to mobile terminal, and mobile terminal receives the data of digital terminal transmission or sends data to digital terminal according to this speed step information equally.
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, contact induction signal is passed to communication logic controller, communication logic controller is by the induction coil work driving in induction pallet, the communication logic controller of same mobile terminal also drives induction coil work, the magnetic flux chain of the induction coil of the two just forms intercommunication, completes wireless electromagnetic coupled communication and connects.Wherein, the carrier that induction coil is data communication, it is a unidirectional copper cash winding, the same with the operation principle of transformer, just in the middle of coil, does not have magnetic conductor.When digital terminal and mobile terminal are set up wireless electromagnetic coupled communication and are 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 chain 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 need 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 receive or send data-signal mutually, 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 that the mutual cooperation by said apparatus realizes.
At digital terminal, usb protocol interpreter obtains the directional information of carrying out usb data communication with described mobile terminal, and described directional information comprises to the direction of the direction of mobile terminal transmission data and mobile terminal receive transmission data.If the described and described mobile terminal that described usb protocol interpreter gets carries out the directional information of usb data communication for send the direction of data to mobile terminal, described communication logic controller enables described coil actuator, so that described coil actuator amplifies processing to data-signal, make the described induction coil of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described mobile terminal by described.If it is the direction that mobile terminal receive sends data that the described and described mobile terminal that described usb protocol interpreter gets carries out the directional information of usb data communication, described communication logic controller enables described signal amplification shaping device, and the data-signal that the described mobile terminal that described signal amplification shaping device is received the described induction coil of setting up the connection of wireless electromagnetic coupled communication sends amplifies 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 the direction and the direction that receives digital terminal transmission data that sends data to digital terminal.If the described and described digital terminal that described usb protocol interpreter gets carries out the directional information of usb data communication for send the direction of data to data terminal, described communication logic controller enables described coil actuator, so that described coil actuator amplifies processing to data-signal, make the described induction coil of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described digital terminal by described.If carrying out the directional information of usb data communication, the described and described digital terminal that described usb protocol interpreter gets for receiving digital terminal, sends the direction of data, described communication logic controller enables described signal amplification shaping device, and the data-signal that the described digital terminal that described signal amplification shaping device is received the described induction coil of setting up the connection of wireless electromagnetic coupled communication sends amplifies Shape correction.
Step S250, the communications status of disconnection digital terminal and mobile terminal.When disconnecting, mobile terminal can be removed from the induction pallet of digital terminal, in removing the process of mobile terminal, the touch induction device of mobile terminal is closed coil actuator by control, 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 proposes of the present invention.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 contacting with mobile terminal.Concrete, described digital terminal comprises USB main equipment (as computer) and induction pallet, wherein, in induction pallet, embedded the induction coil of touch induction device and usb data communication, can induction pallet be connected on USB main equipment by USB cable, also can be directly induction pallet be embedded on the main equipment of USB and form an induction zone.Described mobile terminal comprises portable set (as mobile phone, Pad) and induction installation, and wherein, induction installation has been embedded in portable set and has formed an induction zone, induction coil and touch induction device that inside, induction zone has data communication to use.When mobile terminal is put in the induction pallet of digital terminal, the touch induction device of digital terminal and digital terminal touch induction device will produce mutual inductance, and form a contact induction signal, after having confirmed the other side's existence, digital terminal passes to inner communication logic controller by the contact induction signal getting, and then by communication logic controller, is communicated the operation of connection again.Equally, acquisition for mobile terminal, after contact induction signal, is switched to usb data communication state equally by working state control device.Wherein, described contact induction signal is hot plug signal.
Optionally, for the existing USB main equipment of compatibility, digital termination system can be selected by the mode of USB cable, induction pallet to be connected on USB main equipment, certainly responds to pallet and also can be embedded in main equipment, 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, there is no the electrical connection on direct, so can only provide hot plug information with non-electric connecting mode.Touch induction device can be infrared induction, can be also gravity sensing and RF rfid device.
Communication connection module 320, the contact induction signal contacting for the described and described mobile terminal 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, contact induction signal is passed to communication logic controller, communication logic controller is by the induction coil work driving in induction pallet, the communication logic controller of same mobile terminal will drive induction coil work, the magnetic flux chain of the induction coil of the two just forms intercommunication, completes wireless electromagnetic coupled communication and connects.Wherein, the carrier that induction coil is data communication, it is a unidirectional copper cash winding, the same with the operation principle of transformer, just in the middle of coil, does not have magnetic conductor.When digital terminal and mobile terminal are set up wireless electromagnetic coupled communication and are 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 chain 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 need 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 of setting up with described mobile terminal according to communication connection module 320, 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, that mutual cooperation by said apparatus realizes, wherein:
Described usb protocol interpreter 431 is for obtaining the directional information of carrying out usb data communication with described digital terminal, and described directional information comprises the direction and the direction that receives digital terminal transmission data that sends data to digital terminal.
If the described and described digital terminal that described usb protocol interpreter 431 gets carries out the directional information of usb data communication for send the direction of data to data terminal, described communication logic controller 432 enables described coil actuator 433, so that 433 pairs of data-signals of described coil actuator amplify processing, make the described induction coil 435 of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described digital terminal by described;
If carrying out the directional information of usb data communication, the described and described digital terminal that described usb protocol interpreter 431 gets for receiving digital terminal, sends the direction of data, described communication logic controller 432 enables described signal amplification shaping device 434, and the data-signal that the described digital terminal that described signal amplification shaping device 434 is received the described induction coil 435 of setting up the connection of wireless electromagnetic coupled communication sends amplifies Shape correction.
Optionally, digital terminal is the speed step information of the transmission of mobile terminal receive also, according to the speed step information that receives described mobile terminal transmission, 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, mobile terminal sends to the speed step information of oneself touch induction device of digital terminal, touch induction device passes to communication logic controller by speed step information, then communication logic controller is by the speed step information notice USB main equipment receiving, and USB main equipment is according to the data of this class information mobile terminal receive transmission or send data to mobile terminal.
Wherein, usb protocol interpreter can be identified 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.Usb protocol interpreter or a data shunt, output to coil actuator by the data of transmission, by the transfer of data receiving to USB device.
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 receiving, its Main Function is by the enable signal of control coil driver and signal amplification shaping device, to control the direction of usb data transmission.
Wherein, coil actuator is controlled by an Enable Pin, drive coil work while enabling, enable to export when invalid high resistant, so just avoided the impact on receiving, adding coil actuator main cause is to strengthen usb data signal energy, promotes the laser propagation effect of induction coil, and coil actuator is exactly in fact a high-frequency differential amplifier with certain driving force.
Wherein, signal amplification shaping device is also subject to the control of Enable Pin, when enabling the small-signal from coil to be amplified, is shaped into when effective the level range of usb protocol regulation.And enable when invalid to export high resistant, avoid data to send and exert an influence.Coil actuator, in fact signal amplification shaping device and communication logic controller have formed 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 contacting with described digital terminal.The same with described digital terminal, induction installation has been embedded in mobile terminal and has formed an induction zone, induction coil and touch induction device that inside, induction zone has data communication to use.When mobile terminal is put in the induction pallet of digital terminal, the touch induction device of digital terminal and digital terminal touch induction device will produce mutual inductance, and form a contact induction signal, after having confirmed the other side's existence, acquisition for mobile terminal, to contact induction signal, is switched to usb data communication state by working state control device by mobile terminal.Wherein, described contact induction signal is hot plug signal.
Velocity information sending module 520, for sending described speed step information, so that described digital terminal carries out usb data communication according to described speed step information and described digital terminal to described digital terminal.After obtaining described contact induction signal by induced signal acquisition module 510, mobile terminal is simply communicated by letter 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.
Usb data communication module 540, is connected for the wireless electromagnetic coupled communication of setting up with described digital terminal according to communication connection module 530, 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, that mutual cooperation by said apparatus realizes, wherein:
Described usb protocol interpreter 431 is for obtaining the directional information of carrying out usb data communication with described digital terminal, and described directional information comprises the direction and the direction that receives digital terminal transmission data that sends data to digital terminal.If the described and described digital terminal that described usb protocol interpreter 431 gets carries out the directional information of usb data communication for send the direction of data to data terminal, described communication logic controller 431 enables described coil actuator 432, so that 432 pairs of data-signals of described coil actuator amplify processing, make the described induction coil 435 of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described digital terminal by described.If carrying out the directional information of usb data communication, the described and described digital terminal that described usb protocol interpreter 431 gets for receiving digital terminal, sends the direction of data, described communication logic controller 432 enables described signal amplification shaping device 434, and the data-signal that the described digital terminal that described signal amplification shaping device 434 is received the described induction coil 435 of setting up the connection of wireless electromagnetic coupled communication sends amplifies Shape correction.
The embodiment of the present invention has proposed a kind of method, digital terminal and mobile terminal of induction type transfer of data.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 getting, are set up wireless electromagnetic coupled communication and are connected between the two, by the wireless electromagnetic coupled communication of setting up, connect, and carry out usb data communication.The embodiment of the present invention has realized the wireless connections of USB device, and mobile terminal just can be carried out to the communication of usb data, high efficiency and the high reliability of assurance transfer of data after placing requirements and be directly put into the induction zone of digital terminal.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, to come the hardware that instruction is relevant to complete by computer program, described program can be stored in a computer read/write memory medium, this program, when carrying out, can comprise as the flow process of the embodiment of 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 disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belongs to the scope that the present invention is contained.
Claims (12)
1. an induction type data transmission method, is characterized in that, described method comprises:
Digital terminal obtains the contact induction signal contacting with mobile terminal;
The contact induction signal that digital terminal contacts according to the described and described mobile terminal getting, sets up wireless electromagnetic coupled communication with described mobile terminal and is connected;
Digital terminal is connected according to the wireless electromagnetic coupled communication of setting up with described mobile terminal, carries out usb data communication with described mobile terminal.
2. induction type data transmission method as claimed in claim 1, is characterized in that, described digital terminal is connected according to the wireless electromagnetic coupled communication of setting up with described mobile terminal, carries out comprising before 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 that receives described mobile terminal transmission, carries out usb data communication with described mobile terminal.
3. induction type data transmission method as claimed in claim 2, it is characterized in that, 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 of setting up with described mobile terminal, 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 to the direction of the direction of mobile terminal transmission data and mobile terminal receive transmission data;
If the described and described mobile terminal that described usb protocol interpreter gets carries out the directional information of usb data communication for send the direction of data to mobile terminal, described communication logic controller enables described coil actuator, so that described coil actuator amplifies processing to data-signal, make the described induction coil of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described mobile terminal by described;
If it is the direction that mobile terminal receive sends data that the described and described mobile terminal that described usb protocol interpreter gets carries out the directional information of usb data communication, described communication logic controller enables described signal amplification shaping device, and the data-signal that the described mobile terminal that described signal amplification shaping device is received the described induction coil of setting up the connection of wireless electromagnetic coupled communication sends amplifies Shape correction.
4. an induction type data transmission method, is characterized in that, described method 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 getting, sets up wireless electromagnetic coupled communication with described digital terminal and is connected;
Mobile terminal is connected according to the wireless electromagnetic coupled communication of setting up with described digital terminal, carries out usb data communication with described digital terminal.
5. induction type data transmission method as claimed in claim 4, is characterized in that, described mobile terminal is connected according to the wireless electromagnetic coupled communication of setting up with described digital terminal, carries out comprising before usb data communication with described digital terminal:
Mobile terminal sends described speed step information to described digital terminal, so that described digital terminal carries out usb data communication according to described speed step information and described digital terminal.
6. induction type data transmission method as claimed in claim 5, it is characterized in that, 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 of setting up with described digital terminal, 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 the direction and the direction that receives digital terminal transmission data that sends data to digital terminal;
If the described and described digital terminal that described usb protocol interpreter gets carries out the directional information of usb data communication for send the direction of data to data terminal, described communication logic controller enables described coil actuator, so that described coil actuator amplifies processing to data-signal, make the described induction coil of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described digital terminal by described;
If carrying out the directional information of usb data communication, the described and described digital terminal that described usb protocol interpreter gets for receiving digital terminal, sends the direction of data, described communication logic controller enables described signal amplification shaping device, and the data-signal that the described digital terminal that described signal amplification shaping device is received the described induction coil of setting up the connection of wireless electromagnetic coupled communication sends amplifies Shape correction.
7. a digital terminal, is characterized in that, described terminal comprises:
Induced signal acquisition module, for obtaining the contact induction signal contacting with mobile terminal;
Communication connection module, for the contact induction signal contacting according to the described and described mobile terminal getting, sets up wireless electromagnetic coupled communication with described mobile terminal and is connected;
Usb data communication module, for being connected according to the wireless electromagnetic coupled communication of setting up with described mobile terminal, carries out usb data communication with described mobile terminal.
8. digital terminal as claimed in claim 7, is characterized in that, described digital terminal also comprises:
Velocity information receiver module, the speed step information sending for receiving described mobile terminal;
Speed is controlled communication module, for according to the speed step information that receives described mobile terminal transmission, carries out usb data communication with described mobile terminal.
9. digital terminal as claimed in claim 8, is characterized in that, 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 is for obtaining the directional information of carrying out usb data communication with described digital terminal, and described directional information comprises the direction and the direction that receives digital terminal transmission data that sends data to digital terminal;
If the described and described digital terminal that described usb protocol interpreter gets carries out the directional information of usb data communication for send the direction of data to data terminal, described communication logic controller enables described coil actuator, so that described coil actuator amplifies processing to data-signal, make the described induction coil of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described digital terminal by described;
If carrying out the directional information of usb data communication, the described and described digital terminal that described usb protocol interpreter gets for receiving digital terminal, sends the direction of data, described communication logic controller enables described signal amplification shaping device, and the data-signal that the described digital terminal that described signal amplification shaping device is received the described induction coil of setting up the connection of wireless electromagnetic coupled communication sends amplifies Shape correction.
10. a mobile terminal, is characterized in that, described mobile terminal comprises:
Induced signal acquisition module, for obtaining the contact induction signal contacting with described digital terminal;
Communication connection module, for the contact induction signal contacting according to the described and described digital terminal getting, sets up wireless electromagnetic coupled communication with described digital terminal and is connected;
Usb data communication module, for being connected according to the wireless electromagnetic coupled communication of setting up with described digital terminal, carries out usb data communication with described digital terminal.
11. mobile terminals as claimed in claim 10, is characterized in that, described mobile terminal also comprises:
Velocity information sending module, for sending described speed step information, so that described digital terminal carries out usb data communication according to described speed step information and described digital terminal to described digital terminal.
12. mobile terminals as claimed in claim 11, is characterized in that, 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 is for obtaining the directional information of carrying out usb data communication with described digital terminal, and described directional information comprises the direction and the direction that receives digital terminal transmission data that sends data to digital terminal;
If the described and described digital terminal that described usb protocol interpreter gets carries out the directional information of usb data communication for send the direction of data to data terminal, described communication logic controller enables described coil actuator, so that described coil actuator amplifies processing to data-signal, make the described induction coil of setting up the connection of wireless electromagnetic coupled communication through amplifying the data-signal of processing, send to described digital terminal by described;
If carrying out the directional information of usb data communication, the described and described digital terminal that described usb protocol interpreter gets for receiving digital terminal, sends the direction of data, described communication logic controller enables described signal amplification shaping device, and the data-signal that the described digital terminal that described signal amplification shaping device is received the described induction coil of setting up the connection of wireless electromagnetic coupled communication sends amplifies Shape correction.
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