CN105488897A - Barcode recognition terminal for antiferromagnetic resonance identifier and reading method thereof - Google Patents

Barcode recognition terminal for antiferromagnetic resonance identifier and reading method thereof Download PDF

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Publication number
CN105488897A
CN105488897A CN201510755211.0A CN201510755211A CN105488897A CN 105488897 A CN105488897 A CN 105488897A CN 201510755211 A CN201510755211 A CN 201510755211A CN 105488897 A CN105488897 A CN 105488897A
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China
Prior art keywords
circuit
antiferromagnetic resonance
frequency
signal
antiferromagnetic
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CN201510755211.0A
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Chinese (zh)
Inventor
朱蘅
李庆满
吴克墀
焦鑫
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SHENZHEN LEAGUER ANTI-COUNTERFEITING TECHNOLOGY Co Ltd
Dongguan Qingda Yaojia Information Technology Co Ltd
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SHENZHEN LEAGUER ANTI-COUNTERFEITING TECHNOLOGY Co Ltd
Dongguan Qingda Yaojia Information Technology Co Ltd
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Publication of CN105488897A publication Critical patent/CN105488897A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a recognition terminal of tickets in an antiferromagnetic resonance material. The terminal comprises a control unit, a modulation circuit, a power amplification circuit, a frequency generation circuit, a demodulation circuit, a signal amplification circuit, and a radio frequency antenna circuit. Compared with the prior art, the terminal has the following advantages: (1) an antiferromagnetic resonance radio frequency identification technology realizes perfect combination of anti-fake material, digital signal, and instrument identification, and is not security in a single method; (2) the antiferromagnetic resonance radio frequency identification material cannot be simulated; (3) signal extraction has diversity, the antiferromagnetic resonance effect of a plurality of components is extracted, a plurality of parameters of an antiferromagnetic resonance radio frequency identification characteristic curve are selected, and signal processing is safe and flexible; (4) information reading is flexible and information can be converted; (5) after accidents occur, a system is rapidly recovered and a scheme is rapidly recovered, same tags and the system are used continuously, and a recognizer is adjusted, after calibration, the recognizer can read more antiferromagnetic resonance radio frequency identification signals, speed is fast, and cost is very low.

Description

The bar-code identification terminal of antiferromagnetic resonance mark and reading method thereof
The application is the divisional application of following application, the applying date: on October 28th, 2013, application number: 201310516322.7, denomination of invention: Antiferromagnetic resonance radio frequency identification ticket management terminal.
Technical field
The present invention relates to ticket examination and safety anti-fake technology, be specifically related to a kind of bar code reading control method of identification terminal of antiferromagnetic resonance material ticket.
Background technology
Various ticket (as invoice, check, diploma, degree's diploma, driver's license, admission ticket, train ticket etc.), personation emerge in an endless stream, and produce the extremely serious problem such as economy, politics, law, morals to society, false invoice is typical example.False invoice has disrupting the market, affects fair competition, causes tax erosion, interference tax collection and administration, grow that society is corrupt, the dangerous act such as corrupt social values.The tax authority also adopts the measures such as anti-counterfei waterprint paper, dry carbon paper, fluorescent fiber paper, colorless fluorescent ink, temperature sensitive ink, but consumer and most of tax cadre its true and false all fubaritic, and these anti-counterfeiting technology majorities are also cracked by lawless person.The annual invoice use amount in the current whole nation reaches more than 1,000,000,000 (300-500 hundred million parts), spreads unchecked degree from the false invoice of all parts of the country, and the tax take conservative estimation that false invoice relates to will have hundreds of hundred million yuan.
Development present situation anti-counterfeiting technology both domestic and external mainly contains: (1) anti-forge paper class mainly contains print paper money paper, water marked paper, false proof insert, safety line paper, the paper having trace additive, anti-copy paper.(2) anti-forgery ink class mainly comprises fluoresent printing ink, day optical excitation color shifting ink, Antiforge infrared ink, photochromic ink, temperature-sensitive anti-forgery ink, pressure-sensitive anti-forgery ink, magnetic anti-forge printing ink, optically variable security ink (OVI), anti-correction anti-forgery ink.(3) antiforge technology type mainly comprises engrave, docks, to print, wiring printing, micro-printing technology, latent image with computing machine creation version line, intaglio printing, rainbow printing, decorative pattern.(4) physical security technology type mainly comprises laser hologram, photopolymer hologram anti-counterfeiting mark, optically-variable look film, ultra micro rib diffraction case, thermochromic liquid crystal, nuclear track technique (5) digital code anti-false mainly comprise code telephone service, Antiforge microelectronic chip, microelectronics authentication system, bar code, machine-readable code, magnetic code, smart card with coding, card anti-counterfeiting technology class.These anti-counterfeiting technologies above, it is false proof that most technology is used for banknote, and other ticket and commodity only use wherein some anti-counterfeiting technologies.Be summed up, magnetic effect technology, easy to use, but easily crack; Anti-forgery ink and laser hologram diagram technology, use inconvenience, and easily crack; Epitome printing technology, uses inconvenience, cracks complexity medium; Biotechnology, microchip technology and isotope technology, be difficult to crack, but use inconvenient, and cost is too high.Beyond existing banknote, the applied defect of anti-counterfeiting technology fails to use instrument identification, and consumer's None-identified, what do not play anti-counterfeiting technology should have effect.
With regard to counterfeit protection measures, the tax authority in the urgent need to can with instrument identification, be difficult to the high-end anti-counterfeiting technology of low cost that cracks, consumer can identify, also there is same requirement in other field.
Summary of the invention
The technical issues that need to address of the present invention are, how to provide a kind of bar code reading control method of identification terminal of antiferromagnetic resonance material ticket, correctly can identify papers and operation is simple, use cost is low.
Above-mentioned technical matters of the present invention solves like this: a kind of identification terminal of antiferromagnetic resonance material ticket, comprises control module, modulation circuit, power amplification circuit, frequency generation circuit, demodulator circuit, signal amplification circuit, radio-frequency antenna circuit; Described frequency generation circuit first output terminal output reference frequency signal gives described modulation circuit first input end, described control module output packet gives described modulation circuit second input end containing the control signal of billing information to be tested, described modulation circuit exports the input end of power amplification circuit described in termination to amplify modulated signal, and described power amplification circuit exports the input end of radio-frequency antenna circuit described in termination to launch modulated signal; Described radio-frequency antenna circuit output end connects the first input end of described demodulator circuit to transmit the resonance signal of ticket to be tested reflection, described frequency generation circuit second output terminal output reference frequency signal gives the second input end of described demodulator circuit, the input end of signal amplification circuit described in the output termination of described demodulator circuit is to export former modulation signal, described signal amplification circuit exports the first input end of termination control module, and control module judges papers to be tested according to the frequency of described former modulation signal, amplitude, signal to noise ratio (S/N ratio).
Preferably, also comprise Quick Response Code sweep circuit, for obtain 2 D code information Quick Response Code decoding unit, for sending the radio communication circuit of 2 D code information and receiving feedback signals; Described Quick Response Code sweep circuit exports the image in 2 D code that described in termination, Quick Response Code decoding unit input end obtains to transmit Quick Response Code sweep circuit, described Quick Response Code decoding unit exports the second input end of termination control module to export 2 D code information, and control module connects radio communication circuit.
Preferably, also comprise the screened circuit for alleviating electromagnetic interference (EMI), described control module is connected with described Quick Response Code decoding circuit by screened circuit.
Preferably, described screened circuit comprises three end filters.
Preferably, described frequency generation circuit is dual-frequency point frequency generator, alternately generation first reference frequency signal, the second reference frequency signal.
Preferably, described signal amplification circuit comprises the first amplifier, the second amplifier, resistance R 217, electric capacity C 230, resistance R 210, resistance R 218, resistance R 219, electric capacity C 235, electric capacity C 233; First amplifier in-phase input end connects radio-frequency antenna circuit output end, and the first amplifier inverting input is through resistance R 217, electric capacity C 230ground connection, the first amplifier inverting input is through resistance R 210connect the first amplifier out, the first amplifier out is through resistance R 218, resistance R 219connect the second amplifier in-phase input end, the second amplifier anti-phase input termination second amplifier out, the second amplifier in-phase input end is through electric capacity C 235ground connection, the second amplifier inverting input is through electric capacity C 233connecting resistance R 218with resistance R 219between.
Preferably, described power amplification circuit comprises field effect transistor Q 106, inductance L 104, electric capacity 103, electric capacity C 111, inductance L 5, electric capacity C 121, antenna; Modulation circuit output terminal is through electric capacity C 101ground connection, modulation circuit output terminal is through inductance L 104, electric capacity 103 meets field effect transistor Q 106grid, field effect transistor Q 106grid through electric capacity C 111ground connection, power supply VCC is through inductance L 5meet field effect transistor Q 106drain electrode, field effect transistor Q 106drain electrode through electric capacity C 121connect antenna, field effect transistor Q 106source class ground connection.
The identification terminal of antiferromagnetic resonance material ticket provided by the invention, first antiferromagnetic resonance radio-frequency (RF) identification material is mixed with ink, be printed on invoice, the data such as the Quick Response Code/bar code/numeric data code/RFID on the antiferromagnetic resonance rf digital signal of invoice ad-hoc location and ticket are read again, the information such as antiferromagnetic resonance radio-frequency (RF) identification and information management recognizer display true from false of bills, kind and area with the identification terminal of antiferromagnetic resonance material ticket.Because the false proof cost of use of antiferromagnetic resonance radio-frequency technique on invoice is lower, and do not change existing typography and equipment, possess high use value comparatively prior art have the following advantages:
(1) antiferromagnetic resonance REID realizes the perfect adaptation of anti-fake material, digital signal and instrument identification, instead of single means is false proof;
(2) antiferromagnetic resonance radio-frequency (RF) identification material cannot imitate---the proprietary formula of user, and the process of raw material microstage, raw material chemosynthesis, adds trap component, arranges interference component, guarantee the high safety of antiferromagnetic resonance radio-frequency (RF) identification material;
(3) signal extraction diversity---extract the antiferromagnetic resonance effect of some components, select the some parameters of antiferromagnetic resonance radio-frequency (RF) identification characteristic curve, signal transacting is secure yet flexible;
(4) read information flexible transformation---common antiferromagnetic resonance radio-frequency (RF) identification office terminal energy reading section antiferromagnetic resonance information in radio frequency, more antiferromagnetic resonance information in radio frequency are read in monitoring antiferromagnetic resonance radio-frequency (RF) identification office terminal, specific identification device quantitatively can read antiferromagnetic resonance radio-frequency (RF) identification numerical information, the combination of three kinds of modes forms signal-obtaining diversity, is convenient to monitoring and safety upgrade;
(5) there is unexpected rear quick recovery system recovery scheme---same label and system continue to use, and only need adjustment recognizer, make recognizer can read more antiferromagnetic resonance radio frequency identification signals after adjustment, and speed is fast, and cost is very low.
Accompanying drawing explanation
Fig. 1 is the hardware frame schematic diagram of the identification terminal of antiferromagnetic resonance material ticket of the present invention;
Fig. 2 is system architecture and the operation flow schematic diagram of the identification terminal of antiferromagnetic resonance material ticket of the present invention;
Fig. 3 is the identification terminal corresponding circuits principle schematic of the material of antiferromagnetic resonance shown in Fig. 1 ticket;
Fig. 4 is the circuit theory schematic diagram of Quick Response Code communication unit in the identification terminal of the material of antiferromagnetic resonance shown in Fig. 3 ticket;
Fig. 5 is the circuit theory schematic diagram of modulation and demodulation unit in the identification terminal of the material of antiferromagnetic resonance shown in Fig. 3 ticket;
Fig. 6 is the circuit theory schematic diagram of the identification terminal medium frequency maker of the material of antiferromagnetic resonance shown in Fig. 3 ticket;
The physical circuit figure of Fig. 7 to be Fig. 3 shown in Fig. 3 be signal amplification circuit in the identification terminal of shown antiferromagnetic resonance material ticket
The physical circuit figure of Fig. 8 to be Fig. 3 shown in Fig. 3 be power amplification circuit in the identification terminal of shown antiferromagnetic resonance material ticket.
Fig. 9 is the workflow schematic diagram of the identification terminal of the material of antiferromagnetic resonance shown in Fig. 3 ticket;
Figure 10 is the antiferromagnetic resonance testing process schematic diagram of the identification terminal of the material of antiferromagnetic resonance shown in Fig. 3 ticket;
Figure 11 is the bar code reading schematic flow sheet of the identification terminal of the material of antiferromagnetic resonance shown in Fig. 3 ticket;
Figure 12 is the 3G telecommunication path schematic flow sheet of the identification terminal of the material of antiferromagnetic resonance shown in Fig. 3 ticket;
Figure 13 is the bill examination schematic flow sheet of the identification terminal of the material of antiferromagnetic resonance shown in Fig. 3 ticket.
Embodiment
The present invention is further detailed in conjunction with the accompanying drawings below:
As shown in figs. 1 and 3, the identification terminal of antiferromagnetic resonance material ticket, comprises control module, modulation circuit, power amplification circuit, frequency generation circuit, demodulator circuit, signal amplification circuit, radio-frequency antenna circuit; Described frequency generation circuit first output terminal output reference frequency signal gives described modulation circuit first input end, described control module output packet gives described modulation circuit second input end containing the control signal of billing information to be tested, described modulation circuit exports the input end of power amplification circuit described in termination to amplify modulated signal, and described power amplification circuit exports the input end of radio-frequency antenna circuit described in termination to launch modulated signal; Described radio-frequency antenna circuit output end connects the first input end of described demodulator circuit to transmit the resonance signal of ticket to be tested reflection, described frequency generation circuit second output terminal output reference frequency signal gives the second input end of described demodulator circuit, the input end of signal amplification circuit described in the output termination of described demodulator circuit is to export former modulation signal, described signal amplification circuit exports the first input end of termination control module, and control module judges papers to be tested according to the frequency of described former modulation signal, amplitude, signal to noise ratio (S/N ratio).
As shown in Figure 4, the identification terminal of antiferromagnetic resonance material ticket also comprise Quick Response Code sweep circuit, for obtain 2 D code information Quick Response Code decoding unit, for sending the radio communication circuit of 2 D code information and receiving feedback signals; Described Quick Response Code sweep circuit exports the image in 2 D code that described in termination, Quick Response Code decoding unit input end obtains to transmit Quick Response Code sweep circuit, described Quick Response Code decoding unit exports the second input end of termination control module to export 2 D code information, and control module connects radio communication circuit.Also comprise the screened circuit for alleviating electromagnetic interference (EMI), described control module is connected with described Quick Response Code decoding circuit by screened circuit.Described screened circuit comprises three end filters.
This part is that main control unit follows Quick Response Code decoding unit bound fraction, and main control unit and Quick Response Code decoding unit adopt serial communication, and realizes signal reliability by adding three end filters, avoids electromagnetic interference (EMI); Quick Response Code decoding unit can comprise the Quick Response Code control chip that to communicate with control module.
Wherein: control module comprises chip S3C6410; Chip S3C6410 is one 16/32 Reduced Instruction Set Computer (RISC) microprocessor, aims to provide one and has cost benefit, low in energy consumption, the application processor solution that performance is high, as mobile phone and application.It is the H/W performance that the 2.5th generation mobile communication (2.5G) and 3G communication service provide optimization, have employed 64/32 internal bus framework.This 64/32 inside bus structure is made up of AXI, AHB and APB bus.It also comprises many powerful hardware accelerators, as Video processing, and audio frequency process, X-Y scheme, display operation and convergent-divergent.
Control module comprises K9F2G08U0B: be a flash memory (NAND-FLASH), and major function is that data store and file stores, capacity 256MB.Main application can be used as the storage medium of SmartMedia card, CompactFlash card, PCMCIAATA card, solid-state disk, for smart phone, personal digital assistant, palm PC, digital camera, formula video camera, formula music player etc.
Control module comprises SEC113: two instruction and data reservoirs managed independently, has the ability of simultaneously accessing.
Radio communication circuit comprises DTM-518C-V1.0, and DTM-518C-V1.0 is a 3G communication module with data transmit-receive and wireless networking capabilities, connects transceiving data and information by internet.
Quick Response Code sweep circuit comprises Camera: Quick Response Code camera lens, by scanning Quick Response Code, decoded data can be sent to S3C6410 processor.
The identification terminal of antiferromagnetic resonance material ticket also comprises LCD, LCDs, display image, data literal.
As shown in Figure 6, the frequency generator in frequency generation circuit, for generation of dual-frequency point reference frequency signal; In described antiferromagnetic resonance antenna, receiving circuit and radiating circuit receive and use described reference frequency signal, and wherein the frequency 2 of frequency generator is doubly to the frequency of receiving circuit and radiating circuit; The existing two frequency bins of the chip ADF4360 that frequency generation circuit uses exports: a better embodiment, a frequency 427MHZ, and another is 435MHZ, and two frequency bins alternately exports; What the frequency synthesizer circuit in circuit and transmission circuit adopted is frequency multiplication relation.This frequency generator can also include, but are not limited to following four kinds of embodiments:
(i) frequency generator, can be used for producing the single-frequency point reference frequency signal of 400MHZ, is supplied to receiving circuit and radiating circuit in antiferromagnetic resonance antenna and receives and use reference frequency signal, and wherein this frequency 2 is doubly to the frequency of receiving circuit and radiating circuit.
(ii) main control unit electrical connection frequency generator, is controlled by data-signal (SPIDATA, SPIEN, SPICLOCK), and the dual-frequency point reference frequency signal realizing 400 ~ 450MHZ exports;
(iii) frequency generator, produces the dual-frequency point reference frequency signal of 400 ~ 450MHZ, and this signal controls modulating unit, and the signal realizing different frequency range exports;
(iv) frequency generator, produces the dual-frequency point reference frequency signal of 400 ~ 450MHZ, and this signal controls demodulating unit, and the signal realizing different frequency range exports.
As shown in Figure 2, use terminal of the present invention to build antiferromagnetic resonance radio-frequency (RF) identification voucher management system, also comprise the invoice, the tax subnetwork database that embed antiferromagnetic resonance material and Quick Response Code.
As shown in Figure 7, signal amplification circuit comprises the first amplifier, the second amplifier, resistance R 217, electric capacity C 230, resistance R 210, resistance R 218, resistance R 219, electric capacity C 235, electric capacity C 233; First amplifier in-phase input end connects radio-frequency antenna circuit output end, and the first amplifier inverting input is through resistance R 217, electric capacity C 230ground connection, the first amplifier inverting input is through resistance R 210connect the first amplifier out, the first amplifier out is through resistance R 218, resistance R 219connect the second amplifier in-phase input end, the second amplifier anti-phase input termination second amplifier out, the second amplifier in-phase input end is through electric capacity C 235ground connection, the second amplifier inverting input is through electric capacity C 233connecting resistance R 218with resistance R 219between.
As shown in Figure 8, power amplification circuit comprises field effect transistor Q 106, inductance L 104, electric capacity 103, electric capacity C 111, inductance L 5, electric capacity C 121, antenna; Modulation circuit output terminal is through electric capacity C 101ground connection, modulation circuit output terminal is through inductance L 104, electric capacity 103 meets field effect transistor Q 106grid, the grid of field effect transistor Q106 is through electric capacity C 111ground connection, power supply VCC is through inductance L 5meet field effect transistor Q 106drain electrode, field effect transistor Q 106drain electrode through electric capacity C 121connect antenna, field effect transistor Q 106source class ground connection.
As shown in Figure 9, the workflow of ticket identification terminal of the present invention (abbreviation all-in-one) is as follows: during use, described terminal after start is aimed at the antiferromagnetic resonance detection zone of bill to be tested, ticket to be tested is embedded with antiferromagnetic resonance material and ticket code, antiferromagnetic resonance material carries material information code, and ticket code is image in 2 D code, button carries out antiferromagnetic resonance and detects with the material information code obtaining ticket to be tested, and the true and false of ticket to be tested is judged according to material information code, antiferromagnetic resonance radio-frequency (RF) identification ticket terminal sends radiofrequency signal to ticket to be tested, ticket radio frequency signal to be tested produces reflected signal, antiferromagnetic resonance radio-frequency (RF) identification ticket terminal receives reflected signal, the material information code of antiferromagnetic resonance radio-frequency (RF) identification ticket terminal entrained by reflected signal is treated ticket checking card and is carried out first time authenticity verification, when the frequency of described reflected signal, amplitude, time signal to noise ratio (S/N ratio) is all in pre-set interval, judge that ticket to be tested is true, the frequency that reflected signal is different, amplitude, signal to noise ratio (S/N ratio) represents different material information codes, antiferromagnetic resonance detects unsuccessfully, and prompting user bill is wrong or detect unsuccessfully, and skip following steps and directly terminate, antiferromagnetic resonance detects successfully, then automatically enter next step, by the voucher code of described Quick Response Code camera lens or bar code scan module automatic acquisition bill to be tested, or the voucher code of artificial input bill to be tested, send described voucher code to the webserver by described wireless data communication module, inquire about the true and false of bill to be tested, and the Query Result of reception is informed to user.Wherein:
Antiferromagnetic resonance testing process, concrete steps as shown in Figure 10, comprising: after all-in-one start up system, and antiferromagnetic resonance equipment powers on automatically, in running order, wait serial ports to be opened and detection trigger; Button carries out antiferromagnetic resonance detection, returns testing result.
Bar code reading flow process, concrete steps as shown in figure 11, comprising: call decoding functions and decode to the image obtained.
3G data cube computation flow process, concrete steps as shown in figure 12, comprising: set up and utilize 3G to connect and carry out data transmission or reception.
Tax bureau's inquiring and authenticating flow process, concrete steps as shown in figure 13, comprising: utilize network platform database to carry out inquiring and authenticating.
The present invention is by magnetic resonance radio frequency identification material technology, Quick Response Code identification circuit technology, and wireless communication technique three organically combines, and achieves easy to use, the beneficial effect that accuracy is high.Wireless communication technique makes verification terminal can in outdoor application, can use whenever and wherever possible, only ticket to be tested need be placed ad-hoc location, both the operation of identifying can have been completed, verification terminal automatically can send radiofrequency signal and realize magnetic resonance radio frequency identification, planar bar code technology realizes automatic acquisition ticket code, operates and uses very simple and convenient.Done first time judgement by the true and false of magnetic resonance radio frequency recognition technology object origin, the ticket that pre-set interval identifies according to verification terminal tailors, and ticket is difficult to counterfeit.Two-dimensional code data and 3G network constitute the false proof traceability system of the second layer, realize data management by planar bar code technology and improve the counterfeit difficulty of ticket code, guarantee that data are true, comparing is carried out by wireless communication technique ticket to be tested and server, guarantee evidence-based, the organic cooperation of two-layer anti-counterfeiting technology, improves the judgement to ticket, certificate.Pre-set interval can regulate according to actual needs, and same verification terminal can complete dissimilar ticket identification.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the claims in the present invention scope change and modify, and all should belong to the covering scope of the claims in the present invention.

Claims (1)

1. antiferromagnetic resonance mark bar-code identification terminal and a reading method, it is characterized in that, comprise the following steps:
(1) device start, enters decoded picture display interface after 5 seconds;
(2) call decoding functions to decode to the image obtained;
(3) do you judge whether successfully decode in 10 seconds? no, then after " voice message is decoded unsuccessfully and shown soft keyboard " step and " manual typing invoice codes " step, proceed to following step (5);
(4) voice message successfully decoded;
(5) show and submit interface to.
CN201510755211.0A 2013-10-28 2013-10-28 Barcode recognition terminal for antiferromagnetic resonance identifier and reading method thereof Pending CN105488897A (en)

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