CN104796202A - Near-field data transmission device and system and operating method thereof - Google Patents
Near-field data transmission device and system and operating method thereof Download PDFInfo
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Abstract
An embodiment of the invention provides a near-field data transmission device and system and an operation method thereof. The near-field data transmission device comprises a sound wave information receiving module, an information conversion module and a transmission module, wherein the sound wave information receiving module is used for receiving sound wave information played by a first terminal, the information conversion module is used for converting the sound wave information into text information, and the transmission module is used for transmitting the text information to a second terminal. The first terminal and the second terminal can transmit data in sound waves, the data transmission process does need WIFI network and Bluetooth confirmation connection and the first terminal can be free of an NFC (near-field communication) hardware module, so that the near-field data transmission process is safe, simple to operate and low in requirement for communication equipment.
Description
Technical field
The present invention relates to Near-field Data transmission technique field, particularly a kind of Near-field Data transmitting device, system and method for work thereof.
Background technology
Current smart mobile phone and panel computer are popularized gradually in mobile payment application, but smart mobile phone and panel computer and the external world carry out data interaction and depend on WIFI, bluetooth or NFC tri-kinds of communication modes at present.Such as, but often kind of communication modes all existing defects, adopt WIFI mode, must have a hot spot device, and in data interaction transmitting procedure, near this focus, comparatively can intercept packet within the scope of large regions, there is safety problem; Adopt bluetooth approach, must through client's manual search, confirm to connect, sequence of operations such as coupling connections etc., and the coverage of bluetooth is also bigger than normal, equally also exist easy in transport process data by the safety problem intercepted and captured; Adopt NFC mode, although adopt NFC technical security high, require also high to the hardware device of communication two party, need the hardware device of both sides to have special NFC hardware module, and current smart mobile phone and most not this hardware module of panel computer.
Summary of the invention
Embodiments provide a kind of Near-field Data transmitting device, safe, simple to operate and low to communication apparatus requirement to realize Near-field Data transmitting procedure.This device comprises: information of acoustic wave receiver module, for receiving the information of acoustic wave that first terminal is play; Convert information module, for being converted into Word message by described information of acoustic wave; Sending module, for sending to the second terminal by described Word message.
In one embodiment, described Near-field Data transmitting device is microphone.
In one embodiment, described convert information module, comprising: dynamically carrier frequency loader, for converting information of acoustic wave to carrier frequency signal according to current time; Low pass filter, for the high-frequency of predeterminated frequency numerical value in filtering carrier frequency signal, generates electrical analogue voice signal; Digital-to-analog converter, for converting electrical analogue voice signal to digital signal code character; Check code decoder, for verifying digital channel number group; Information decompression machine, for carrying out decompress(ion) to the digital channel number after inspection, is reduced into Word message; Word message transducer, for converting the ASCII character of Word message to GBK code.
The embodiment of the present invention additionally provides a kind of Near-field Data transmission system, safe, simple to operate and low to communication apparatus requirement to realize Near-field Data transmitting procedure.This system comprises: first terminal, the second terminal and the Near-field Data transmitting device according to any one of claims 1 to 3, and wherein, described first terminal, for Word message is converted to information of acoustic wave, and plays described information of acoustic wave; Described Near-field Data transmitting device, for receiving described information of acoustic wave, is converted to Word message by described information of acoustic wave, and described Word message is sent to described second terminal.
In one embodiment, described first terminal, comprising: input equipment, for receiving the Word message of user's input.
In one embodiment, described first terminal, comprising: information of acoustic wave generation module, for Word message is converted to information of acoustic wave, wherein, described information of acoustic wave generation module comprises: Word message transducer, for converting the GBK code of described Word message to ASCII character bit string; Image decompressor, for compressing ASCII character bit string; Check code encoder, for adding check code to the ASCII character bit string of compression; Digital-to-analog converter, for changing into the quantized analog signal of different amplitude by the ASCII character bit string being added with check code; Dynamic carrier frequency loader, for converting quantized analog signal to carrier frequency signal according to current time; Low pass filter, for the high-frequency of predeterminated frequency numerical value in filtering carrier frequency signal, generates electrical analogue voice signal.
The embodiment of the present invention additionally provides a kind of method of work of Near-field Data transmitting device, safe, simple to operate and low to communication apparatus requirement to realize Near-field Data transmitting procedure.This system comprises: receive the information of acoustic wave that first terminal is play; Described information of acoustic wave is converted into Word message; Described Word message is sent to the second terminal
In one embodiment, described information of acoustic wave is converted into Word message, comprises: convert information of acoustic wave to carrier frequency signal by dynamic carrier frequency loader according to current time; By the high-frequency of predeterminated frequency numerical value in low pass filter filtering carrier frequency signal, generate electrical analogue voice signal; Electrical analogue voice signal is converted to digital signal code character by digital-to-analog converter; By check code decoder, digital channel number group is verified; By information decompression machine, decompress(ion) is carried out to the digital channel number after inspection, be reduced into Word message; The ASCII character of Word message is converted to GBK code by Word message transducer.
The embodiment of the present invention additionally provides a kind of method of work of Near-field Data transmission system, safe, simple to operate and low to communication apparatus requirement to realize Near-field Data transmitting procedure.This system comprises: by described first terminal, Word message is converted to information of acoustic wave, and plays described information of acoustic wave; Receive described information of acoustic wave by described Near-field Data transmitting device, described information of acoustic wave is converted to Word message, described Word message is sent to described second terminal.
In one embodiment, described Word message is converted to information of acoustic wave, comprises: convert the GBK code of described Word message to ASCII character bit string by Word message transducer; By image decompressor, ASCII character bit string is compressed; By check code encoder, check code is added to the ASCII character bit string of compression; By digital-to-analog converter, the ASCII character bit string being added with check code is changed into the quantized analog signal of different amplitude; Quantized analog signal is converted to carrier frequency signal according to current time by dynamic carrier frequency loader; By the high-frequency of predeterminated frequency numerical value in low pass filter filtering carrier frequency signal, generate electrical analogue voice signal.
In embodiments of the present invention, first terminal (such as, intelligent terminal) can by the form of sound wave by information transmission to Near-field Data transmitting device, the second terminal is transferred to (such as after information of acoustic wave being converted to Word message by Near-field Data transmitting device, the terminal equipment of operating system), by the effect of Near-field Data transmitting device, achieve between first terminal and the second terminal and carry out transfer of data in the form of a sound wave, without the need for WIFI network in data transmission procedure, the confirmation of bluetooth is not needed to connect, first terminal is not needed to possess NFC hardware module yet, thus make Near-field Data transmitting procedure safety, simple to operate and to communication apparatus require low.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, does not form limitation of the invention.In the accompanying drawings:
Fig. 1 is the structured flowchart of a kind of Near-field Data transmitting device that the embodiment of the present invention provides;
Fig. 2 is the structured flowchart of a kind of convert information module that the embodiment of the present invention provides;
Fig. 3 is the structural representation of a kind of Near-field Data transmission system that the embodiment of the present invention provides;
Fig. 4 is the structured flowchart of a kind of first terminal that the embodiment of the present invention provides;
Fig. 5 is the structured flowchart of a kind of information of acoustic wave generation module that the embodiment of the present invention provides;
Fig. 6 is the structured flowchart of a kind of second terminal that the embodiment of the present invention provides;
Fig. 7 is the flow chart of the method for a kind of near field transmission pre-fill list information that the embodiment of the present invention provides;
Fig. 8 is the flow chart of the method for a kind of automatic vending machine near field payment that the embodiment of the present invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with execution mode and accompanying drawing, the present invention is described in further details.At this, exemplary embodiment of the present invention and illustrating for explaining the present invention, but not as a limitation of the invention.
In embodiments of the present invention, provide a kind of Near-field Data transmitting device, as shown in Figure 1, this device comprises:
Information of acoustic wave receiver module 21, for receiving the information of acoustic wave that first terminal is play;
Convert information module 22, for being converted into Word message by described information of acoustic wave;
Sending module 23, for sending to the second terminal by described Word message.
Known as shown in Figure 1, in embodiments of the present invention, first terminal (such as, intelligent terminal) can by the form of sound wave by information transmission to Near-field Data transmitting device, the second terminal is transferred to (such as after information of acoustic wave being converted to Word message by Near-field Data transmitting device, the terminal equipment of operating system), by the effect of Near-field Data transmitting device, achieve between first terminal and the second terminal and carry out transfer of data in the form of a sound wave, without the need for WIFI network in data transmission procedure, the confirmation of bluetooth is not needed to connect, first terminal is not needed to possess NFC hardware module yet, thus make Near-field Data transmitting procedure safety, simple to operate and to communication apparatus require low.
During concrete enforcement, above-mentioned first terminal can be the mobile device of smart mobile phone, panel computer or other similar band wireless communication modules, band loud speaker, Near-field Data transmitting device (being also acoustic receiver device) can be microphone or the external device having similar functions, second terminal can be terminal PC, also can be the equipment of panel computer or large-scale vending machine or similar tape operation system, wherein, first terminal as medium, transmits information of acoustic wave to acoustic receiver device by air.Meanwhile, acoustic receiver device passes through cable medium, to the sonicated information (i.e. the Word message of information of acoustic wave conversion) that the second terminal transmission receives.
During concrete enforcement, as shown in Figure 2, information of acoustic wave is converted to Word message by following hardware configuration by above-mentioned convert information module 22: dynamically carrier frequency loader 221, for converting information of acoustic wave to carrier frequency signal according to current time; Low pass filter 222, for the high-frequency of predeterminated frequency numerical value in filtering carrier frequency signal, generates electrical analogue voice signal; Digital-to-analog converter 223, for converting electrical analogue voice signal to digital signal code character; Check code decoder 224, for verifying digital channel number group; Information decompression machine 225, for carrying out decompress(ion) to the digital channel number after inspection, is reduced into Word message; Word message transducer 226, for converting the ASCII character of Word message to GBK code.
Based on above-mentioned Near-field Data transmitting device, the present embodiment additionally provides a kind of Near-field Data transmission system, and as shown in Figure 3, this system comprises: first terminal 1, Near-field Data transmitting device (being also acoustic receiver device) the 2, second terminal 3, wherein,
Described first terminal 1, for Word message is converted to information of acoustic wave, and plays described information of acoustic wave;
Described Near-field Data transmitting device 2, for receiving described information of acoustic wave, is converted to Word message by described information of acoustic wave, described Word message is sent to described second terminal 3.
During concrete enforcement, for the ease of receiving the Word message of user's input, in the present embodiment, as shown in Figure 4, above-mentioned first terminal 1 comprises: input equipment (being also received text module 11), for receiving the Word message of user's input.Concrete, this input equipment (being also received text module 11) can be keyboard, display screen etc.
Concrete, above-mentioned first terminal 1 can pass through loud speaker (namely information of acoustic wave playing module 14) as shown in Figure 4 and play information of acoustic wave.
During concrete enforcement, Word message is converted to information of acoustic wave by following hardware configuration by the information of acoustic wave generation module 13 (as shown in Figure 4) in above-mentioned first terminal 1, as shown in Figure 5, this information of acoustic wave generation module 13 comprises: Word message transducer 131, for converting the GBK code of described Word message to ASCII character bit string; Image decompressor 132, for compressing ASCII character bit string; Check code encoder 133, for adding check code to the ASCII character bit string of compression; Digital-to-analog converter 134, for changing into the quantized analog signal of different amplitude by the ASCII character bit string being added with check code; Dynamic carrier frequency loader 135, for converting quantized analog signal to carrier frequency signal according to current time; Low pass filter 136, for the high-frequency of predeterminated frequency numerical value in filtering carrier frequency signal, generates electrical analogue voice signal.
During concrete enforcement, in order to ensure the safety of transmission data, as shown in Figure 4, above-mentioned first terminal 1 can also comprise: Word message encrypting module 12, adopts rivest, shamir, adelman to be encrypted Word message.If first terminal 1 includes Word message encrypting module 12, then above-mentioned Near-field Data transmitting device 2 needs to possess Word message deciphering module accordingly.
During concrete enforcement, as shown in Figure 6, above-mentioned 3, second terminal can comprise: Text extraction module 31, for processing the Word message received; Word message feedback module 32, for being presented in the second terminal 3 by Word message.
Based on above-mentioned Near-field Data transmitting device, in the present embodiment, the method for work of above-mentioned Near-field Data transmitting device comprises the following steps:
Step 1: receive the information of acoustic wave that first terminal is play;
Step 2: described information of acoustic wave is converted into Word message;
Step 3: described Word message is sent to the second terminal.
Concrete, described information of acoustic wave is converted into Word message, comprises: convert information of acoustic wave to carrier frequency signal by dynamic carrier frequency loader according to current time; By the high-frequency of predeterminated frequency numerical value in low pass filter filtering carrier frequency signal, generate electrical analogue voice signal; Electrical analogue voice signal is converted to digital signal code character by digital-to-analog converter; By check code decoder, digital channel number group is verified; By information decompression machine, decompress(ion) is carried out to the digital channel number after inspection, be reduced into Word message; The ASCII character of Word message is converted to GBK code by Word message transducer.
Based on above-mentioned Near-field Data transmission system, the method for work of above-mentioned Near-field Data transmission system comprises the following steps in the present embodiment:
Step 1: Word message is converted to information of acoustic wave by described first terminal, and play described information of acoustic wave;
Step 2: receive described information of acoustic wave by described Near-field Data transmitting device, described information of acoustic wave is converted to Word message, sends to described second terminal by described Word message.
Concrete, Word message is converted to information of acoustic wave, comprises: convert the GBK code of described Word message to ASCII character bit string by Word message transducer; By image decompressor, ASCII character bit string is compressed; By check code encoder, check code is added to the ASCII character bit string of compression; By digital-to-analog converter, the ASCII character bit string being added with check code is changed into the quantized analog signal of different amplitude; Quantized analog signal is converted to carrier frequency signal according to current time by dynamic carrier frequency loader; By the high-frequency of predeterminated frequency numerical value in low pass filter filtering carrier frequency signal, generate electrical analogue voice signal.
Be described in detail below in conjunction with the method for work of concrete example to above-mentioned Near-field Data transmission system.Such as, near field transmission pre-fill list information, as shown in Figure 7, Near-field Data transmission system carries out transfer of data by following steps:
Step S701: client by the pre-fill list information of received text module 11 typing of intelligent terminal (i.e. above-mentioned first terminal) 1, and sends into step S702 process.The information will filled in when pre-fill list and client's transacting business is filled in advance, the information of typing when pre-fill list information and pre-fill list.
Step S702: Word message transcoder (or unit) 131 changes into ASCII character the Word message received by GBK code, and ASCII character string is sent into step S703.
Step S703: image decompressor (or unit) 132 compresses the ASCII character string sent into, the compressed information string after output squeezing.
Step S704: check code encoder (or unit) 133 to send into compressed information string test code coding, generate error correcting code, output squeezing literal code bit string.
Step S705:D/A converter (or unit) 134, dynamically carrier frequency loader (or unit) 135, low pass filter (or unit) 136 become literal code bit string into analog signal by digital signal.
Step S706: information of acoustic wave playing module 14 plays analog signal.
Step S707: information of acoustic wave receiver module 21 receives simulation information of acoustic wave by the receiving system of acoustic receiver device 2.
Step S708: by dynamic carrier frequency loader (or unit) 221, low pass filter (or unit) 222 and A/D converter (or unit) 223, analog information is reduced into digital signal.
Step S709: the step S707 digital signal generated is passed through the correctness of check code decoder (or unit) 224 checking information transmission and is carried out automatic error-correcting.
Step S710: by information decompression machine (or unit) 225, bit string is reduced into Word message.
Step S711: by Word message transcoder (or unit) 226, changes into GBK code the ASCII character received and represents.
Step S712: acoustic receiver device 2 is transferred to terminal equipment (i.e. above-mentioned second terminal) 3 by wired connection GBK code.
Step S713: the Text extraction module 31 of terminal equipment 3 is responsible for the Text extraction of GBK code and is presented in terminal equipment 3 by Word message feedback module 32.Namely the pre-fill list information of client is presented in the transaction of teller automatically, thus saves the time of teller's typing.
Pay for automatic vending machine near field, as shown in Figure 8, above-mentioned Near-field Data transmission system carries out transfer of data by following steps:
Step S801: client is placed an order by electronic automatic-salling cabinet, and input handset number.The payment accounts information that electronic automatic-salling cabinet is reserved in systems in which according to cell-phone number inquiry client, generates payment information and confirms the intelligent terminal 1 of note to client.
Step S802: the received text module 11 of intelligent terminal (i.e. above-mentioned first terminal) 1 receives short message.
Step S803: Word message transcoder (or unit) 131 changes into ASCII character the Word message received by GBK code, and ASCII character string is sent into step S804.
Step S804: image decompressor (or unit) 132 compresses the ASCII character string sent into, the bit string after output squeezing.
Step S805: check code encoder (or unit) 133 to send into ASCII character string test code coding, generate error correcting code.Output character coded message string.
Step S806:D/A converter (or unit) 134, dynamically carrier frequency loader (or unit) 135, low pass filter (or unit) 136 become literal code bit string into analog signal by digital signal.
Step S807: information of acoustic wave playing module 14 plays analog signal.
Step S808: information of acoustic wave receiver module 21 receives analog information by acoustic receiver device 2.This information of acoustic wave receiver module can be a microphones mouth on automatic vending machine.
Step S809: by dynamic carrier frequency loader (or unit) 221, low pass filter (or unit) 222 and A/D converter (or unit) 223, analog information is reduced into digital signal.
Step S810: the step S809 digital signal generated is passed through the correctness of check code decoder (or unit) 224 checking information transmission and is carried out automatic error-correcting.
Step S811: by information decompression machine (or unit) 225, bit string is reduced into Word message.
Step S812: by Word message transcoder (or unit) 226, changes into GBK code the ASCII character received and represents.
Step S813: acoustic receiver device 2 is transferred to terminal equipment 3 by wired connection GBK code.
Step S814: the Text extraction module 31 of terminal equipment (i.e. above-mentioned second terminal) 3 is responsible for the Text extraction of GBK code and passes through payment function in Word message feedback module 32 triggering terminal equipment 3.
Step S815: detain account after the correctness of electronic automatic-salling machine checking information content from client's payment accounts, and the goods paying that client places an order.
In embodiments of the present invention, first terminal (such as, intelligent terminal) can by the form of sound wave by information transmission to Near-field Data transmitting device, the second terminal is transferred to (such as after information of acoustic wave being converted to Word message by Near-field Data transmitting device, the terminal equipment of operating system), by the effect of Near-field Data transmitting device, achieve between first terminal and the second terminal and carry out transfer of data in the form of a sound wave, without the need for WIFI network in data transmission procedure, the confirmation of bluetooth is not needed to connect, first terminal is not needed to possess NFC hardware module yet, thus make Near-field Data transmitting procedure safety, simple to operate and to communication apparatus require low.
Obviously, those skilled in the art should be understood that, each module of the above-mentioned embodiment of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the embodiment of the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the embodiment of the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a Near-field Data transmitting device, is characterized in that, comprising:
Information of acoustic wave receiver module, for receiving the information of acoustic wave that first terminal is play;
Convert information module, for being converted into Word message by described information of acoustic wave;
Sending module, for sending to the second terminal by described Word message.
2. device as claimed in claim 1, it is characterized in that, described Near-field Data transmitting device is microphone.
3. device as claimed in claim 1 or 2, it is characterized in that, described convert information module, comprising:
Dynamic carrier frequency loader, for converting information of acoustic wave to carrier frequency signal according to current time;
Low pass filter, for the high-frequency of predeterminated frequency numerical value in filtering carrier frequency signal, generates electrical analogue voice signal;
Digital-to-analog converter, for converting electrical analogue voice signal to digital signal code character;
Check code decoder, for verifying digital channel number group;
Information decompression machine, for carrying out decompress(ion) to the digital channel number after inspection, is reduced into Word message;
Word message transducer, for converting the ASCII character of Word message to GBK code.
4. a Near-field Data transmission system, is characterized in that, comprising: first terminal, the second terminal and the Near-field Data transmitting device according to any one of claims 1 to 3, wherein,
Described first terminal, for Word message is converted to information of acoustic wave, and plays described information of acoustic wave;
Described Near-field Data transmitting device, for receiving described information of acoustic wave, is converted to Word message by described information of acoustic wave, and described Word message is sent to described second terminal.
5. system as claimed in claim 4, it is characterized in that, described first terminal, comprises
Input equipment, for receiving the Word message of user's input.
6. the system as described in claim 4 or 5, is characterized in that, described first terminal, comprising:
Information of acoustic wave generation module, for Word message is converted to information of acoustic wave, wherein, described information of acoustic wave generation module comprises:
Word message transducer, for converting the GBK code of described Word message to ASCII character bit string;
Image decompressor, for compressing ASCII character bit string;
Check code encoder, for adding check code to the ASCII character bit string of compression;
Digital-to-analog converter, for changing into the quantized analog signal of different amplitude by the ASCII character bit string being added with check code;
Dynamic carrier frequency loader, for converting quantized analog signal to carrier frequency signal according to current time;
Low pass filter, for the high-frequency of predeterminated frequency numerical value in filtering carrier frequency signal, generates electrical analogue voice signal.
7. a method of work for the Near-field Data transmitting device according to any one of claims 1 to 3, is characterized in that, comprising:
Receive the information of acoustic wave that first terminal is play;
Described information of acoustic wave is converted into Word message;
Described Word message is sent to the second terminal.
8. method as claimed in claim 7, is characterized in that, described information of acoustic wave is converted into Word message, comprises:
Information of acoustic wave is converted to carrier frequency signal according to current time by dynamic carrier frequency loader;
By the high-frequency of predeterminated frequency numerical value in low pass filter filtering carrier frequency signal, generate electrical analogue voice signal;
Electrical analogue voice signal is converted to digital signal code character by digital-to-analog converter;
By check code decoder, digital channel number group is verified;
By information decompression machine, decompress(ion) is carried out to the digital channel number after inspection, be reduced into Word message;
The ASCII character of Word message is converted to GBK code by Word message transducer.
9. a method of work for the Near-field Data transmission system according to any one of claim 4 to 6, is characterized in that, comprising:
By described first terminal, Word message is converted to information of acoustic wave, and plays described information of acoustic wave;
Receive described information of acoustic wave by described Near-field Data transmitting device, described information of acoustic wave is converted to Word message, described Word message is sent to described second terminal.
10. method as claimed in claim 9, is characterized in that, described Word message is converted to information of acoustic wave, comprises:
The GBK code of described Word message is converted to ASCII character bit string by Word message transducer;
By image decompressor, ASCII character bit string is compressed;
By check code encoder, check code is added to the ASCII character bit string of compression;
By digital-to-analog converter, the ASCII character bit string being added with check code is changed into the quantized analog signal of different amplitude;
Quantized analog signal is converted to carrier frequency signal according to current time by dynamic carrier frequency loader;
By the high-frequency of predeterminated frequency numerical value in low pass filter filtering carrier frequency signal, generate electrical analogue voice signal.
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