CN102325213A - Data communication method and external terminal device and mobile terminal - Google Patents
Data communication method and external terminal device and mobile terminal Download PDFInfo
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- CN102325213A CN102325213A CN201110141093A CN201110141093A CN102325213A CN 102325213 A CN102325213 A CN 102325213A CN 201110141093 A CN201110141093 A CN 201110141093A CN 201110141093 A CN201110141093 A CN 201110141093A CN 102325213 A CN102325213 A CN 102325213A
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Abstract
The invention provides a data communication method, an external terminal device and a mobile terminal. The data communication method comprises the following steps that: analog signals are received by a communication module of the external terminal device from an audio interface of the mobile terminal, wherein the analog signals are obtained via digital-analog conversion of instruction data to be transmitted to the external terminal device by the mobile terminal; analog-digital conversion is carried by a modulation/demodulation module of the external terminal device for the analog signals to obtain the instruction data, and the instruction data are transmitted to an instruction processing module; and the instruction data are implemented by the instruction processing module of the external terminal device to product response data, the response data are transmitted to the modulation/demodulation module, digital-analog conversion of the response data is carried out by the modulation/demodulation module, and the response data are transmitted to the audio interface of the mobile terminal through the communication module for corresponding processing of the mobile terminal. The data communication method, the external terminal device and the mobile terminal have the advantages that the universality is strong, and the communication between the mobile terminal and the external device can be established conveniently.
Description
Technical field
The present invention relates to the communications field, relate in particular to data communications method, terminal external equipment and portable terminal.
Background technology
Smart mobile phone likes that because of advantages such as its complete function and application resource be abundant have received more and more users the available class of business of smart mobile phone has also obtained fast development.
But; Along with continuous expansion for mobile terminal function and business; Only realize some functions and the professional demand that can't satisfy the user in smart mobile phone inside; Therefore through setting up communicating by letter between smart mobile phone and the external equipment, realize that by external equipment more strong functions becomes particularly important.
In the prior art, mobile phone communicates with external equipment through infrared interface, USB interface and bluetooth module etc. usually, on the one hand; This has proposed higher requirement to external equipment; Be that external equipment must can be supported infrared communication or Bluetooth communication, on the other hand, mobile phone also proposed higher requirement; Be that mobile phone need have USB HOST, for most mobile phones and inapplicable.
Summary of the invention
The present invention provides a kind of data communications method, terminal external equipment and portable terminal, in order to realize highly versatile and to set up communicating by letter between portable terminal and the external equipment easily.
The present invention provides a kind of data communications method, comprising:
Step S1, the communication module of terminal external equipment receives analog signal from the COBBAIF of portable terminal, and wherein, said analog signal is to carry out the digital-to-analogue conversion acquisition through treated the director data that is sent to said terminal external equipment by said portable terminal;
Step S2, the modulation module of said terminal external equipment is carried out analog-to-digital conversion obtaining said director data to said analog signal, and said director data is sent to command process module;
Step S3; The command process module of said terminal external equipment is carried out said director data; Generate response data, and said response data is sent to said modulation module, said response data is carried out digital-to-analogue conversion by said modulation module; And be sent to the COBBAIF of said portable terminal via said communication module, so that said portable terminal carries out handled according to the response data that is received.
According to a further aspect in the invention, a kind of terminal external equipment is provided also, comprises:
Communication module is used for receiving analog signal from the COBBAIF of portable terminal, and wherein, said analog signal is to carry out the digital-to-analogue conversion acquisition through treated the director data that is sent to said terminal external equipment by said portable terminal;
The modulation module is used for said analog signal is carried out analog-to-digital conversion obtaining said director data, and said director data is sent to command process module;
Command process module; Be used to carry out said director data; Generate response data, and said response data is sent to said modulation module, said response data is carried out digital-to-analogue conversion by said modulation module; And be sent to the COBBAIF of said portable terminal via said communication module, so that said portable terminal carries out handled according to the response data that is received;
Power module is used for supplying power to the terminal external equipment.
According to another aspect of the invention, another kind of data communications method is provided also, comprises:
Step S1 '; Portable terminal is treated the director data that is sent to the terminal external equipment and is carried out digital-to-analogue conversion; And be sent to said terminal external equipment through the COBBAIF of said portable terminal; To carry out said director data, generate response data, and said response data is carried out digital-to-analogue conversion by said terminal;
Step S2 ', said portable terminal receives the response data after said digital-to-analogue conversion and it is carried out analog-to-digital conversion through COBBAIF, and carries out handled according to the response data after the analog-to-digital conversion.
In accordance with a further aspect of the present invention, a kind of portable terminal is provided also, comprises:
Modular converter is used to treat the director data that is sent to the terminal external equipment and carries out digital-to-analogue conversion, and the response data after the said digital-to-analogue conversion that receives through COBBAIF is carried out analog-to-digital conversion;
The COBBAIF communication module; Be used for and be sent to said terminal external equipment through the said director data of the digital-to-analogue conversion COBBAIF through said portable terminal; To carry out said director data, generate response data, and said response data is carried out digital-to-analogue conversion by said terminal; Be used for receiving the response data after said digital-to-analogue conversion through COBBAIF;
Instruction control module is used for behind the said director data that obtains user's selection, said director data being sent to said modular converter; Be used for carrying out handled according to the said response data after analog-to-digital conversion that receives from said modular converter.
According to data communications method of the present invention, terminal external equipment and portable terminal; Because the terminal external equipment receives the director data through digital-to-analogue conversion from the COBBAIF of portable terminal; And the COBBAIF through portable terminal returns response data to portable terminal after execution command, so can realize communicating by letter between portable terminal and the terminal external equipment through the COBBAIF of portable terminal.Owing to all have COBBAIF on the portable terminal arbitrarily; And need not the radio communication transmission/reception that deployment cost is very high on the external equipment of terminal; So have excellent universality, it can make things convenient for, be widely used in various portable terminals and terminal external equipment.
Description of drawings
Fig. 1 is the schematic flow sheet of data communications method of the present invention.
Fig. 2 is the structural representation of terminal of the present invention external equipment.
Fig. 3 is the schematic flow sheet of another data communications method of the present invention.
Fig. 4 is the structural representation of portable terminal of the present invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing below, technical scheme of the present invention is carried out clear, intactly description.
Fig. 1 is the schematic flow sheet of data communications method of the present invention.As shown in Figure 1, this data communications method may further comprise the steps:
Step S1, the communication module of terminal external equipment receives analog signal from the COBBAIF of portable terminal, and wherein, said analog signal is to carry out the digital-to-analogue conversion acquisition through treated the director data that is sent to said terminal external equipment by said portable terminal;
Particularly, portable terminal directly is connected with the interface of terminal external equipment with data wire through the COBBAIF of self.The COBBAIF of portable terminal comprises two kinds of data input and output (I/O) mouth, and a kind of is loudspeaker (Speaker) mouth that is used for externally sending data, and a kind of is microphone (MIC) mouth that is used for receiving from the outside data.The communication module of terminal external equipment comprises and is respectively applied for the interface that the MIC mouth with the Speaker mouth of portable terminal and portable terminal communicates; Wherein, The communication module of terminal external equipment receives through the director data after the digital-to-analogue conversion from the Speaker mouth of portable terminal, and the command process module response data that generates after the data MIC mouth through portable terminal that executes instruction is sent to portable terminal.
In practical application, portable terminal provides operation interface to the user, has listed whole list of instructions that the user can select, that send to the terminal external equipment in this operation interface, to select arbitrary instruction wherein by the user.Portable terminal is selected according to the user; Generate the corresponding instruction data; For the director data of digital signal converts analog signal into, and the signal after will modulating sends to the terminal external equipment through the Speaker mouth to the modulation function that carries of control portable terminal with current.
Step S2, the modulation module of said terminal external equipment is carried out analog-to-digital conversion obtaining said director data to said analog signal, and said director data is sent to command process module;
Wherein, the modulation module of terminal external equipment data that be used for communication module is received or that outwards send are modulated or demodulation.Particularly, demodulation is that portable terminal is become digital signal through the analog signal conversion that COBBAIF sends over, and passes to command process module then; Modulation is that the return data with command process module converts analog signal to from digital signal, and the COBBAIF through portable terminal sends to portable terminal then.Wherein, the return data of command process module is the execution result of instruction data, and for example working as director data is the content that reads certain file in the IC-card, and then return data is the particular content of corresponding document among the IC that is read.
Step S3; The command process module of said terminal external equipment is carried out said director data; Generate response data, and said response data is sent to said modulation module, said response data is carried out digital-to-analogue conversion by said modulation module; And be sent to the COBBAIF of said portable terminal via said communication module, so that said portable terminal carries out handled according to the response data that is received.
Particularly; Command process module receives the director data after the demodulation of modulation module; According to and portable terminal between the pairing command content of this digital signal of making an appointment, the instruction corresponding operating, for example the terminal external equipment comprises the memory module of the accounts information that stores fiscard; And the instruction " 00B082000A " of making an appointment between terminal external equipment and the portable terminal one and being used for reading of data; Wherein B0 represents reading command, the command file that 82 expressions are read, the length that 0A indicates to read.Then when command process module receives this instruction of portable terminal transmission; The data that read 10 bytes are as response data; Sending it to the modulation module modulates; And solve module by modulation modulated response data is sent to communication module, to be sent to portable terminal through the data wire that is connected with the MIC mouth of portable terminal by communication module.Portable terminal carries out demodulation to the response data that receives, and is about to analog signal conversion and becomes digital signal, and determine next bar director data that will send or notify the user operating result according to the response data after the demodulation.
Data communications method according to the foregoing description; The terminal external equipment receives the director data through digital-to-analogue conversion from the COBBAIF of portable terminal; And the COBBAIF through portable terminal returns response data to portable terminal after execution command, so can realize communicating by letter between portable terminal and the terminal external equipment through the COBBAIF of portable terminal.Owing to all have COBBAIF on the portable terminal arbitrarily; And need not the radio communication transmission/reception that deployment cost is very high on the external equipment of terminal; So the data communications method of the foregoing description has excellent universality, it can make things convenient for, be widely used in various portable terminals and terminal external equipment.
Further, in the data communications method of the foregoing description, also comprise:
If the director data that the modulation module of said terminal external equipment carries out obtaining after the analog-to-digital conversion encryption to said analog signal then the director data of said encryption is deciphered, and the director data after will deciphering is sent to command process module; Correspondingly, the modulation module of said terminal external equipment is also encrypted laggard line number mould conversion to response data, and is sent to the COBBAIF of said portable terminal.
According to the data communications method of the foregoing description, realized the coded communication between terminal external equipment and the portable terminal, improved the fail safe of communication.Especially when utilizing the data of communicating by letter between terminal external equipment and the portable terminal for need fail safe higher data; For example the terminal external equipment is the accounts information memory device that stores the accounts information of fiscard; When portable terminal carried out financial transaction through the accounts information that from account information storing device, reads fiscard, it is particularly important that this coded communication just becomes.
Further, in the data communications method of the foregoing description, also comprise:
The power module of said terminal external equipment obtains electric energy from the COBBAIF of portable terminal, so that said terminal external equipment is supplied power.
Particularly, the terminal external equipment comprises the power module that is used to supply power, and this power module can utilize the built-in electric energy that power supply provided to supply power, and also can obtain electric energy from portable terminal and supply power.More particularly; The Speaker mouth of portable terminal comprises left and right two sound channels; Wherein one tunnel sound channel is used for move instruction data and response data between portable terminal and terminal external equipment, and another road sound channel can be used for to the terminal external equipment electric energy being provided by portable terminal.
According to the data communications method of the foregoing description, need not in the external equipment of terminal, to be provided with independent power supply.
Fig. 2 is the structural representation of terminal of the present invention external equipment.As shown in Figure 2, this terminal external equipment comprises:
Wherein, this power module can obtain electric energy to supply power from the COBBAIF of portable terminal, also can comprise built-in power supply, promptly only utilizes built-in power institute electric energy to supply power.
The flow process that communicates between the terminal external equipment of the foregoing description and the portable terminal is identical with the data communications method of the foregoing description, so locate to repeat no more.
Terminal external equipment according to the foregoing description; Owing to receive director data through digital-to-analogue conversion from the COBBAIF of portable terminal; And the COBBAIF through portable terminal returns response data to portable terminal after execution command, so can realize communicating by letter between portable terminal and the terminal external equipment through the COBBAIF of portable terminal.Owing to all have COBBAIF on the portable terminal arbitrarily; And need not the radio communication transmission/reception that deployment cost is very high on the external equipment of terminal; So the terminal external equipment of the foregoing description has excellent universality, it can make things convenient for, be widely used in various portable terminals.
Further; In the external equipment of the terminal of the foregoing description; The modulation module also is used for if the director data that said analog signal is carried out obtaining after the analog-to-digital conversion encryption then the director data of said encryption is deciphered, and the director data after will deciphering is sent to command process module; Correspondingly, the modulation module of said terminal external equipment also is used for response data is encrypted laggard line number mould conversion, and is sent to the COBBAIF of said portable terminal.
According to the terminal external equipment of the foregoing description, realized the coded communication between terminal external equipment and the portable terminal, improved the fail safe of communication.
Further, in the external equipment of the terminal of the foregoing description, said power module is used for obtaining electric energy from the COBBAIF of portable terminal, so that said terminal external equipment is supplied power.
According to the terminal external equipment of the foregoing description, need not to dispose extra built-in power and supply power, reduce cost and conserve space.
Fig. 3 is the schematic flow sheet of another data communications method of the present invention.As shown in Figure 3, this data communications method may further comprise the steps:
Step S1 '; Portable terminal is treated the director data that is sent to the terminal external equipment and is carried out digital-to-analogue conversion; And be sent to said terminal external equipment through the COBBAIF of said portable terminal; To carry out said director data, generate response data, and said response data is carried out digital-to-analogue conversion by said terminal;
Step S2 ', said portable terminal receives the response data after said digital-to-analogue conversion and it is carried out analog-to-digital conversion through COBBAIF, and carries out handled according to the response data after the analog-to-digital conversion.
Data communications method according to the foregoing description; Portable terminal sends the director data through digital-to-analogue conversion through COBBAIF to the terminal external equipment; And the response data of after execution command, returning through COBBAIF receiving terminal external equipment, so can realize communicating by letter between portable terminal and the terminal external equipment through the COBBAIF of portable terminal.Owing to all have COBBAIF on the portable terminal arbitrarily; And need not the radio communication transmission/reception that deployment cost is very high on the external equipment of terminal; So the data communications method of the foregoing description has excellent universality, it can make things convenient for, be widely used in various portable terminals and terminal external equipment.
Further, in the data communications method of the foregoing description, also comprise:
Said portable terminal is encrypted laggard line number mould conversion to said director data, and is sent to said terminal external equipment through the COBBAIF of said portable terminal; Encrypted response data to receiving through COBBAIF carries out deciphering after the analog-to-digital conversion.
According to the data communications method of the foregoing description, realized the coded communication between terminal external equipment and the portable terminal, improved the fail safe of communication.Especially when utilizing the data of communicating by letter between terminal external equipment and the portable terminal for need fail safe higher data; For example the terminal external equipment is the accounts information memory device that stores the accounts information of fiscard; When portable terminal carried out financial transaction through the accounts information that from account information storing device, reads fiscard, it is particularly important that this coded communication just becomes.
Further, in the data communications method of the foregoing description, also comprise:
Said portable terminal sends electric energy through said COBBAIF to said terminal external equipment, so that said terminal external equipment is supplied power.
According to the data communications method of the foregoing description, need not in the external equipment of terminal, to be provided with independent power supply.
Fig. 4 is the structural representation of portable terminal of the present invention.As shown in Figure 4, this portable terminal comprises:
Modular converter is used to treat the director data that is sent to the terminal external equipment and carries out digital-to-analogue conversion, and the response data after the said digital-to-analogue conversion that receives through COBBAIF is carried out analog-to-digital conversion;
The COBBAIF communication module; Be used for and be sent to said terminal external equipment through the said director data of the digital-to-analogue conversion COBBAIF through said portable terminal; To carry out said director data, generate response data, and said response data is carried out digital-to-analogue conversion by said terminal; Be used for receiving the response data after said digital-to-analogue conversion through COBBAIF;
Instruction control module is used for behind the said director data that obtains user's selection, said director data being sent to said modular converter; Be used for carrying out handled according to the said response data after analog-to-digital conversion that receives from said modular converter.
The flow process that the portable terminal of the foregoing description and terminal external equipment communicate is identical with the data communications method of the foregoing description, so locate to repeat no more.
Portable terminal according to the foregoing description; Owing to send director data to the terminal external equipment through digital-to-analogue conversion through COBBAIF; And the response data of after execution command, returning through COBBAIF receiving terminal external equipment, so can realize communicating by letter between portable terminal and the terminal external equipment through the COBBAIF of portable terminal.Owing to all have COBBAIF on the portable terminal arbitrarily; And need not the radio communication transmission/reception that deployment cost is very high on the external equipment of terminal; So the data communications method of the foregoing description has excellent universality, it can make things convenient for, be widely used in various portable terminals and terminal external equipment.
Further, in the portable terminal of the foregoing description, said instruction control module is sent to said modular converter after also being used for said director data encrypted; Encrypted response data to receiving from said modular converter is deciphered.
According to the portable terminal of the foregoing description, realized the coded communication between terminal external equipment and the portable terminal, improved the fail safe of communication.
Further, in the portable terminal of the foregoing description, also comprise:
Supply module is used for sending electric energy through said COBBAIF to said terminal external equipment, so that said terminal external equipment is supplied power.
According to the portable terminal of the foregoing description, can directly supply power, so need not in the external equipment of terminal, to be provided with independent power supply for the terminal external equipment.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (12)
1. a data communications method is characterized in that, comprising:
Step S1, the communication module of terminal external equipment receives analog signal from the COBBAIF of portable terminal, and wherein, said analog signal is to carry out the digital-to-analogue conversion acquisition through treated the director data that is sent to said terminal external equipment by said portable terminal;
Step S2, the modulation module of said terminal external equipment is carried out analog-to-digital conversion obtaining said director data to said analog signal, and said director data is sent to command process module;
Step S3; The command process module of said terminal external equipment is carried out said director data; Generate response data, and said response data is sent to said modulation module, said response data is carried out digital-to-analogue conversion by said modulation module; And be sent to the COBBAIF of said portable terminal via said communication module, so that said portable terminal carries out handled according to the response data that is received.
2. data communications method according to claim 1 is characterized in that, also comprises:
If the director data that the modulation module of said terminal external equipment carries out obtaining after the analog-to-digital conversion encryption to said analog signal then the director data of said encryption is deciphered, and the director data after will deciphering is sent to command process module; Correspondingly, the modulation module of said terminal external equipment is also encrypted laggard line number mould conversion to response data, and is sent to the COBBAIF of said portable terminal.
3. data communications method according to claim 1 and 2 is characterized in that, also comprises:
The power module of said terminal external equipment obtains electric energy from the COBBAIF of portable terminal, so that said terminal external equipment is supplied power.
4. a terminal external equipment is characterized in that, comprising:
Communication module is used for receiving analog signal from the COBBAIF of portable terminal, and wherein, said analog signal is to carry out the digital-to-analogue conversion acquisition through treated the director data that is sent to said terminal external equipment by said portable terminal;
The modulation module is used for said analog signal is carried out analog-to-digital conversion obtaining said director data, and said director data is sent to command process module;
Command process module; Be used to carry out said director data; Generate response data, and said response data is sent to said modulation module, said response data is carried out digital-to-analogue conversion by said modulation module; And be sent to the COBBAIF of said portable terminal via said communication module, so that said portable terminal carries out handled according to the response data that is received;
Power module is used for supplying power to the terminal external equipment.
5. terminal according to claim 4 external equipment; It is characterized in that; Said modulation module also is used for if said analog signal carried out obtaining after the analog-to-digital conversion director data of encryption; Then the director data of said encryption is deciphered, and the director data after will deciphering is sent to command process module; Correspondingly, the modulation module of said terminal external equipment also is used for response data is encrypted laggard line number mould conversion, and is sent to the COBBAIF of said portable terminal.
6. according to claim 4 or 5 described terminal external equipments, it is characterized in that said power module is used for obtaining electric energy from the COBBAIF of portable terminal, so that said terminal external equipment is supplied power.
7. a data communications method is characterized in that, comprising:
Step S1 '; Portable terminal is treated the director data that is sent to the terminal external equipment and is carried out digital-to-analogue conversion; And be sent to said terminal external equipment through the COBBAIF of said portable terminal; To carry out said director data, generate response data, and said response data is carried out digital-to-analogue conversion by said terminal;
Step S2 ', said portable terminal receives the response data after said digital-to-analogue conversion and it is carried out analog-to-digital conversion through COBBAIF, and carries out handled according to the response data after the analog-to-digital conversion.
8. data communications method according to claim 7 is characterized in that, also comprises:
Said portable terminal is encrypted laggard line number mould conversion to said director data, and is sent to said terminal external equipment through the COBBAIF of said portable terminal; Encrypted response data to receiving through COBBAIF carries out deciphering after the analog-to-digital conversion.
9. according to claim 7 or 8 described data communications methods, it is characterized in that, also comprise:
Said portable terminal sends electric energy through said COBBAIF to said terminal external equipment, so that said terminal external equipment is supplied power.
10. a portable terminal is characterized in that, comprising:
Modular converter is used to treat the director data that is sent to the terminal external equipment and carries out digital-to-analogue conversion, and the response data after the said digital-to-analogue conversion that receives through COBBAIF is carried out analog-to-digital conversion;
The COBBAIF communication module; Be used for and be sent to said terminal external equipment through the said director data of the digital-to-analogue conversion COBBAIF through said portable terminal; To carry out said director data, generate response data, and said response data is carried out digital-to-analogue conversion by said terminal; Be used for receiving the response data after said digital-to-analogue conversion through COBBAIF;
Instruction control module is used for behind the said director data that obtains user's selection, said director data being sent to said modular converter; Be used for carrying out handled according to the said response data after analog-to-digital conversion that receives from said modular converter.
11. portable terminal according to claim 10 is characterized in that, said instruction control module is sent to said modular converter after also being used for said director data encrypted; Encrypted response data to receiving from said modular converter is deciphered.
12. portable terminal according to claim 10 is characterized in that, also comprises:
Supply module is used for sending electric energy through said COBBAIF to said terminal external equipment, so that said terminal external equipment is supplied power.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110141093A CN102325213A (en) | 2011-05-27 | 2011-05-27 | Data communication method and external terminal device and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110141093A CN102325213A (en) | 2011-05-27 | 2011-05-27 | Data communication method and external terminal device and mobile terminal |
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| CN201110141093A Pending CN102325213A (en) | 2011-05-27 | 2011-05-27 | Data communication method and external terminal device and mobile terminal |
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| CN102594989A (en) * | 2012-02-10 | 2012-07-18 | 钱袋网（北京）信息技术有限公司 | Data communication method, system and terminal |
| CN102665240A (en) * | 2012-03-29 | 2012-09-12 | 钱袋网（北京）信息技术有限公司 | Data sending method, data receiving method, apparatuses and system |
| CN102880273A (en) * | 2012-08-30 | 2013-01-16 | 深圳市彤兴电子有限公司 | Display equipment and method for supplying power to external equipment |
| CN103219753A (en) * | 2012-01-20 | 2013-07-24 | 深圳市融创联科技有限公司 | Method and intelligent terminal of power supply and communication to external equipment through audio interface |
| CN104735809A (en) * | 2013-12-20 | 2015-06-24 | 中国银联股份有限公司 | Method for communication between terminal and external equipment and terminal |
| CN103379214B (en) * | 2012-04-26 | 2015-10-28 | 国民技术股份有限公司 | A kind of audio communication system |
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| CN1746808A (en) * | 2004-09-07 | 2006-03-15 | 微软公司 | Securing audio-based access to application data |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103219753A (en) * | 2012-01-20 | 2013-07-24 | 深圳市融创联科技有限公司 | Method and intelligent terminal of power supply and communication to external equipment through audio interface |
| CN103219753B (en) * | 2012-01-20 | 2016-01-13 | 马勇 | Powered by audio interface external device and the method for communication and intelligent terminal |
| CN102594989A (en) * | 2012-02-10 | 2012-07-18 | 钱袋网（北京）信息技术有限公司 | Data communication method, system and terminal |
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| CN103379214B (en) * | 2012-04-26 | 2015-10-28 | 国民技术股份有限公司 | A kind of audio communication system |
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| CN104735809A (en) * | 2013-12-20 | 2015-06-24 | 中国银联股份有限公司 | Method for communication between terminal and external equipment and terminal |
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Application publication date: 20120118 |