CN208188871U - Double antenna passive electronic label, system and its monitoring system - Google Patents
Double antenna passive electronic label, system and its monitoring system Download PDFInfo
- Publication number
- CN208188871U CN208188871U CN201820774490.4U CN201820774490U CN208188871U CN 208188871 U CN208188871 U CN 208188871U CN 201820774490 U CN201820774490 U CN 201820774490U CN 208188871 U CN208188871 U CN 208188871U
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- China
- Prior art keywords
- antenna
- passive electronic
- monitoring
- electronic label
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
- G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
- G06K19/07372—Means for preventing undesired reading or writing from or onto record carriers by detecting tampering with the circuit
- G06K19/07381—Means for preventing undesired reading or writing from or onto record carriers by detecting tampering with the circuit with deactivation or otherwise incapacitation of at least a part of the circuit upon detected tampering
- G06K19/0739—Means for preventing undesired reading or writing from or onto record carriers by detecting tampering with the circuit with deactivation or otherwise incapacitation of at least a part of the circuit upon detected tampering the incapacitated circuit being part of an antenna
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10257—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for protecting the interrogation against piracy attacks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The utility model embodiment discloses a kind of double antenna passive electronic label, system and its monitoring system.The label includes: antenna condition monitoring mould group, first antenna, the second antenna, rf analog front-end and digital baseband circuit, wherein rf analog front-end is connected with first antenna, is that antenna condition monitors the power supply of mould group for energy based on the received；Digital baseband circuit is connected with rf analog front-end and antenna condition monitoring mould group respectively, for generating status monitoring open signal according to antenna Monitoring instruction, and status monitoring open signal is sent to antenna condition monitoring mould group；Antenna condition monitors mould group, for monitoring the on off operating mode of the second antenna according to status monitoring open signal, and monitoring result is sent to digital baseband circuit, to be back to reader.By the technical solution of the utility model embodiment, it can be realized the anti-transfer function of double antenna passive electronic label, label effectively prevent to be reused, protect the interests of consumer.
Description
Technical field
The utility model embodiment be related to technical field of RFID more particularly to a kind of double antenna passive electronic label,
System and its monitoring system.
Background technique
For a long time, the key subjects in the anti-fake always commodity consumption market of cracking down on counterfeit goods.Currently, traditional in domestic market prevent
Pseudo- mode is all based on paper material, such as: laser anti-counterfeit, fluorescence falsification preventing, magnetic anti-counterfeit, and temperature becomes anti-fake etc., and technology does not have
Uniqueness, exclusivity are easy to be replicated, and cannot achieve the purpose that really anti-fake.
In order to improve antifalse effect, radio frequency identification (Radio Frequency Identification, RFID) anti-fake skill
Art is come into being, and compared to traditional anti-counterfeiting technology, it has following advantage: each label has a globally unique ID number
Code --- User Identity (User Identification, UID), UID are to be placed on read-only memory when making chip
In (Read-Only Memory, ROM), it can not modify, can not copy, without mechanical wear or being stained, reader, which has, to be guaranteed
The performances such as the safety of its own.
Since traditional double antenna RFID tag does not have anti-transfer function, if the double antenna RFID tag of a certified products
It is torn after coming and pastes on fake products, then consumer be by can also obtain the feedback information of certified products after scanning label, to hold
Easily consumer is made to have dust thrown into the eyes, damages the interests of consumer.
Utility model content
The utility model embodiment provides a kind of double antenna passive electronic label, system and its monitoring system, double to realize
The anti-transfer function of antenna passive electronic label, effectively prevent label to be reused, and protects the interests of consumer.
In a first aspect, the utility model embodiment provides a kind of double antenna passive electronic label, comprising: antenna condition prison
Survey mould group, first antenna, the second antenna, rf analog front-end and digital baseband circuit, in which:
The first antenna, for obtaining energy from outside energy field, and the antenna monitoring for receiving reader transmission refers to
It enables；
The rf analog front-end is connected with the first antenna, for being antenna condition monitoring according to the energy
The power supply of mould group；
The digital baseband circuit is connected with the rf analog front-end and antenna condition monitoring mould group respectively, uses
In generating status monitoring open signal according to the antenna Monitoring instruction, and the status monitoring open signal is sent to described
Antenna condition monitors mould group；
The antenna condition monitors mould group, for monitoring the logical of second antenna according to the status monitoring open signal
Disconnected state, and monitoring result is sent to the digital baseband circuit, so that the digital baseband circuit is by the received prison
It surveys result and the reader is back to by the rf analog front-end and the first antenna.
Second aspect, the utility model embodiment additionally provide a kind of double antenna passive electronic label system, the system packet
It includes: any the double antenna passive electronic label and legal checking article, the double antenna in the utility model embodiment
Passive electronic label is attached on legal checking article；
Wherein, when the double antenna passive electronic label is removed the legal checking article, the double antenna is passive
The second antenna in electronic tag is cut off.
The third aspect, the utility model embodiment additionally provide a kind of double antenna passive electronic label monitoring system, including
Any double antenna passive electronic label system in reader and the utility model embodiment, in which:
The reader is sent for the double antenna passive electronic label into the double antenna passive electronic label system
Antenna Monitoring instruction；
The double antenna passive electronic label, for obtaining monitoring result according to the antenna Monitoring instruction, and will be described
Monitoring result is back to the reader, so that the reader determines the double antenna passive electronic according to the monitoring result
The validity of label.
The utility model embodiment monitors mould group by the way that antenna condition is arranged in double antenna passive electronic label, with first
Antenna and rf analog front-end are powered for it, and antenna condition monitoring mould group is connected with digital baseband circuit, for according to number
The status monitoring open signal that word baseband circuit is sent monitors the on off operating mode of the second antenna, and monitoring result is returned to number
Baseband circuit, and then judge whether label is transferred by monitoring result, antenna condition monitoring mould group is utilized to the second antenna
The monitoring result of on off operating mode can reflect the advantages of whether double antenna passive electronic label is by secondary use, solve existing
Because double antenna RFID tag does not have anti-transfer function in technology, caused by consumer's interests be easy impaired problem, realize
The anti-transfer function of double antenna passive electronic label, effectively prevent label to be reused, protects the interests of consumer.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for double antenna passive electronic label that the utility model embodiment one provides；
Fig. 2 a is a kind of structural schematic diagram for double antenna passive electronic label that the utility model embodiment two provides；
Fig. 2 b is a kind of partial circuit diagram of the applicable double antenna passive electronic label of the utility model embodiment two.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of structural schematic diagram for double antenna passive electronic label that the utility model embodiment one provides.This reality
It applies example and is applicable to the passive electronic label with double-antenna structure, double antenna passive electronic label packet provided in this embodiment
Include: antenna condition monitors mould group 1, first antenna 2, the second antenna 3, rf analog front-end 4 and digital baseband circuit 5.
Wherein, first antenna 2 for obtaining energy from outside energy field, and receive the antenna monitoring of reader transmission
Instruction；Rf analog front-end 4 is connected with first antenna 2, for being that antenna condition monitors the power supply of mould group 1 according to energy；Digital base
Band circuit 5 is connected with rf analog front-end 4 and antenna condition monitoring mould group 1 respectively, for being generated according to antenna Monitoring instruction
Status monitoring open signal, and status monitoring open signal is sent to antenna condition monitoring mould group 1；Antenna condition monitors mould group
1, for monitoring the on off operating mode of the second antenna 3 according to status monitoring open signal, and monitoring result is sent to digital baseband
Circuit 5, so that received monitoring result is back to reading by rf analog front-end 4 and first antenna 2 by digital baseband circuit 5
Write device.
Illustratively, first antenna 2 is connected with rf analog front-end 4, for obtaining energy, example from outside energy field
Such as, when reader is close to first antenna 2, first antenna 2 obtains RF energy from the energy field that reader is radiated, and will
The RF energy is transferred to the rf analog front-end 4 being attached thereto.In addition, first antenna 2 is also used to, it will be by digital baseband electricity
What road 5 and rf analog front-end 4 forwarded, antenna condition monitors the monitoring result that mould group 1 returns, and is sent out by radio frequency signal
Give close reader.
Specifically, rf analog front-end 4 may include rectifier, modulator, demodulator etc..Illustratively, the present embodiment mentions
The modules and circuit of confession are all integrated in label chip, and rf analog front-end 4, which is particularly used in, to be received in first antenna 2
Energy be converted into DC energy, be including antenna condition monitor mould group 1 including entire label chip power supply；It can also be used in pair
The data that digital baseband circuit 5 returns carry out signal modulation and are sent to first antenna 2 to be emitted；It can also be used in first
Echo signal is demodulated in the received brewed radiofrequency signal of antenna 2, wherein echo signal includes but is not limited to that antenna monitoring refers to
It enables.
Set in the present embodiment double antenna passive electronic label be when being used first time it is effective, accompanying by article
For legal checking article namely genuine piece；It is invalid for setting when reusing after double antenna passive electronic label is transferred, appended by
Article be illegal checking article namely fakement.
Since in double antenna passive electronic label provided in this embodiment, the second antenna 3 is to be fixedly attached to legal verifying
On article, therefore, once double antenna passive electronic label is stripped down from the legal checking article, the second antenna 3 will
It is in an off state.Illustratively, if the second antenna 3 is in connected state, antenna condition monitors mould group 1 for output connection letter
Number be used as monitoring result；If the second antenna 3 is in an off state, antenna condition, which monitors mould group 1, will export cut-off signal conduct
Monitoring result.Specifically, communications signals and cut-off signal can be indicated respectively with high level and low level or other difference degree compared with
Big electric signal indicates, is not limited thereto.
Lift a specific example, in the passive electronic label of double-antenna structure, first antenna 2 obtains radio frequency from energy field
Energy, and DC level VDD is converted as the power supply of entire label chip by RF energy by rf analog front-end 4.When first day
When line 2 is not received by the antenna Monitoring instruction of reader transmission, antenna condition monitoring mould group 1 is in close state；When first
When antenna 2 receives the antenna Monitoring instruction of reader transmission, digital baseband circuit 5 sends shape to antenna condition monitoring mould group 1
State monitors open signal, and activation antenna condition monitors mould group 1.Leading to the second antenna 3 after antenna condition monitoring mould group 1 is activated
Disconnected state is detected, and sends corresponding monitoring result to digital baseband circuit 5, to feed back to reading eventually by first antenna 1
Device is write, reader judges whether the electronic tag is effective according to the on-off of the monitoring result namely the second antenna 3.
The beneficial effect that antenna condition monitoring mould group is arranged is, can need to the effective of double antenna passive electronic label
Property when being detected, by monitoring the on off operating mode of the second antenna, judge whether the electronic tag was transferred, in time will
The electronic tag being reused is labeled as failure label, realizes the anti-transfer function of double antenna passive electronic label, in turn
Label is effectively prevented to be reused, achieve the effect that tear it is destroyed, enable the customer in time distinguish purchase article be
No is genuine piece, protects the interests of consumer.
It optionally, further include memory 6, memory 6 is connected with digital baseband circuit 5, for storing monitoring result.
Wherein, memory 6 can be read-write memory, preferably band Electrically Erasable Programmable Read-Only Memory
(Electrically Erasable Programmable read only memory, EEPROM), EEPROM is a kind of power down
The storage chip that data are not lost afterwards.EEPROM can wipe existing information on computers or on special equipment, and reprogram.
Specifically, memory 6 can be used for storing the identification information of this electronic tag, in order to identify this by reading the identification information
Electronic tag；It can also be used to store the corresponding monitoring result of 3 on off operating mode of the second antenna, in order to read the electronic tag
When identification information, the validity of the electronic tag is verified.Illustratively, antenna condition monitoring mould group 1 will be to 3 on-off of the second antenna
After the monitoring result of state is sent to digital baseband circuit 5, the monitoring result is written to memory 6 digital baseband circuit 5
Setting address position, when reader reads the monitoring result, base-band digital circuit 5 takes out the monitoring result from the setting address position
And rf analog front-end is returned to, then reader is returned to by antenna.
The technical solution of the present embodiment monitors mould group by the way that antenna condition is arranged in double antenna passive electronic label, uses
First antenna and rf analog front-end are powered for it, and antenna condition monitoring mould group is connected with digital baseband circuit, are used for root
The on off operating mode of the second antenna is monitored according to the status monitoring open signal that digital baseband circuit is sent, and monitoring result is returned to
Digital baseband circuit, and then judge whether label is transferred by monitoring result, antenna condition monitoring mould group is utilized to second
The monitoring result of antenna on off operating mode can reflect the advantages of whether double antenna passive electronic label is by secondary use, solve
In the prior art because double antenna RFID tag does not have anti-transfer function, caused by consumer's interests be easy impaired problem,
The anti-transfer function for realizing double antenna passive electronic label, effectively prevent label to be reused, and protects the benefit of consumer
Benefit.
Embodiment two
Fig. 2 a is a kind of structural schematic diagram for double antenna passive electronic label that the utility model embodiment two provides.This reality
It applies example to optimize based on above-described embodiment, preferred double antenna passive electronic label is provided, specifically, to antenna-like
State monitoring mould group is advanced optimized.As shown in Figure 2 a, antenna condition monitoring mould group specifically include switch control module 11,
Logic module output 12 and observation circuit 13.
Wherein, switch control module 11 respectively with digital baseband circuit 5, logic module output 12 first input end and
Observation circuit 13 is connected, and the status monitoring open signal for being sent according to digital baseband circuit 5 activates logic module output 12
And observation circuit 13；Observation circuit 13 is connected with the second input terminal of the second antenna 3 and logic module output 12 respectively, uses
In exporting decision level signal to logic module output 12 according to the on off operating mode of the second antenna 3 when being activated；Logic output
The output end of module 12 is connected with digital baseband circuit, for exporting monitoring result according to decision level signal, and monitoring is tied
Fruit is sent to digital baseband circuit 5.
Specifically, switch control module 11 is when receiving status monitoring open signal, control logic output module 12 with
And observation circuit 13 is in circuit closed state；When switch control module 11 receives the status monitoring of the transmission of digital baseband circuit 5
When open signal, control logic output module 12 and observation circuit 13 become state of activation from circuit closed state.Wherein, it opens
Closing control module 11 can be the switching device group controlled by enable signal.The beneficial effect that switch control module is arranged is,
Only just antenna condition can be monitored when needing monitoring aerial state, to save electric energy, reduce the damage of circuit devcie
Consumption.
Illustratively, when switch control module 11 is activated according to the status monitoring open signal that digital baseband circuit 5 is sent
Observation circuit 13, the circuit in observation circuit 13 are switched on, thus by exporting decision level signal to logic module output 12
To identify the on off operating mode of the second antenna 3.Specifically, decision level signal can be the electricity for setting determination point in observation circuit 13
Press signal.
Logic module output 12 can be logic gate device in the present embodiment, illustratively, when switch control module 11
When activating logic module output 12 according to the status monitoring open signal that digital baseband circuit 5 is sent, connect with switch control module 11
The first input end of the logic module output 12 connect is pushed to high level, at this time logic module output 12 to decision level signal into
Row amendment, output can characterize the monitoring result of the on off operating mode of the second antenna 3 to digital baseband circuit 5.
Lift a specific example, when switch control module 11 is not received by status monitoring open signal, observation circuit 13
In circuit be in close state, the first input end of logic module output 12 is pulled to low level；When switch control module 11
When receiving status monitoring open signal, observation circuit 13 is activated, and the first input end of logic module output 12 is pushed to height
Level, at this point, the second antenna 3 is connected state if detecting, observation circuit 13 exports high level to logic module output 12
The second input terminal, logic module output 12 according to the level signal outputting standard of first input end and the second input terminal be connected to believe
Number (such as 1) to digital baseband circuit 5, and if detect that the second antenna 3 is off-state, observation circuit 13 exports low level
To the second input terminal of logic module output 12, logic module output 12 is believed according to the level of first input end and the second input terminal
Number outputting standard cut-off signal (such as 0) is to digital baseband circuit 5.
Optionally, rf analog front-end 4 includes rectifier 41, and rectifier 41 is connected with observation circuit 13, for being monitoring
Circuit 13 provides high level signal.
Illustratively, the energy obtained by first antenna 2 is converted DC level VDD, namely high electricity by rectifier 41
Ordinary mail number is the entire label chip power supply including observation circuit 13.VDD signal as shown in Figure 2 a, as through whole
The high level signal that stream device 41 obtains after converting.
Optionally, observation circuit 13 specifically includes pull-up circuit 131, pull-down circuit 132 and biasing circuit 133, pull-up
Circuit 131 is connected with the input terminal of the first output end of biasing circuit 133 and the second antenna 3 respectively, and pull-down circuit 132 is distinguished
It is connected with the output end of the second output terminal of biasing circuit 133 and the second antenna 3；Second input terminal of logic module output 12
It is connected with the output end of the second antenna 3.
In the present embodiment, by the way that the second input terminal of logic module output 12 is connected with the output end of the second antenna 3,
The output end of the second antenna 3 is arranged in the corresponding signal acquisition point of decision level signal (namely determination point).Illustratively, it pulls up
Pull-up current in circuit 131 will be designed higher than the pull-down current in pull-down circuit 132, when pull-up circuit 131 and drop-down electricity
After road 132 is activated, if the second antenna 3 is connected state, pull-up circuit 131 and pull-down circuit 132 act on judgement simultaneously
Point, the level of determination point will be raised at this time, so that the decision level signal of output to logic module output 12 is high level；
If the second antenna 3 is off-state, only pull-down circuit 132 acts on determination point, and the level of determination point will be pulled low, from
And exporting to the decision level signal of logic module output 12 is low level.Specifically, biasing circuit 133 can be used for for pull-up electricity
Road 131 and pull-down circuit 132 provide current potential required when activation.
Optionally, as shown in Figure 2 b, pull-up circuit 131 is specially PMOS tube Q1, and pull-down circuit 132 is specially NMOS tube
Q2；First output end of the grid G connection biasing circuit 133 of PMOS tube Q1, the source S of PMOS tube Q1 access high level signal,
The drain D of PMOS tube Q1 connects the input terminal of the second antenna 3；Second output of the grid G connection biasing circuit 133 of NMOS tube Q2
End, the drain D of NMOS tube Q2 connect the output end of the second antenna 3, and the source S of NMOS tube Q2 accesses low level signal.
Wherein, VSS as shown in figure 2b is low level signal, which is public end signal, such as can be with
It is the negative power signal opposite with high level signal VDD.Illustratively, if the second antenna 3 is connected state, as PMOS tube Q1 and
When NMOS tube Q2 is switched on, PMOS tube Q1 and NMOS tube Q2 act on determination point P simultaneously, and the level of determination point P will be by this time
It draws high；If the second antenna 3 is off-state, PMOS tube Q1 can not act on determination point, therefore even if PMOS tube Q1 and NMOS tube
Q2 is switched on, and also only NMOS tube Q2 acts on determination point P, and the level of determination point P will be pulled low at this time.By by determination point
The level signal of P is exported as decision level signal to logic module output 12, can judge the on-off of the second antenna 3.
Optionally, switch control module 11 specifically includes first switch tube Q3, second switch Q4 and NOT gate D1；First
The control terminal connection digital baseband circuit 5 of switching tube Q3, the drain electrode of the input terminal connection PMOS tube Q1 of first switch tube Q3, first
The output end of switching tube Q3 connects the input terminal of the second antenna 3；The control terminal of second switch Q4 passes through NOT gate D1 connection number
Baseband circuit 5, the grid of the input terminal connection NMOS tube Q2 of second switch Q4, the output end of second switch Q4 access low electricity
Ordinary mail number.
Wherein, first switch tube Q3 and second switch Q4 can be NMOS tube, correspondingly, first switch tube Q3 and second
The control terminal of switching tube Q4 is the grid G of NMOS tube, and input terminal is the drain D of NMOS tube, and output end is the source S of NMOS tube.
Specifically, the status monitoring open signal that digital baseband circuit 5 is sent can be the switching signal of high level.Illustratively, when
When switching signal is high, first switch tube Q3 conducting, second switch Q4 is closed, and PMOS tube Q1 and NMOS tube Q2 are existed
Second antenna 3 be connected state under conditions of, normally act on determination point P；When switching signal is low, first switch tube Q3 is closed
It closes, second switch Q4 conducting, so that PMOS tube Q1 can not act on determination point P, and biasing circuit 133 provides for NMOS tube Q2
Bias voltage be pulled to 0, cause NMOS tube Q2 to close, and then can not also act on determination point P.
The technical solution of the present embodiment detects the switch control module being arranged in mould group by antenna condition, logic exports
Module and observation circuit realize the monitoring function to antenna on off operating mode, so that the on off operating mode by antenna judges electricity
Whether subtab fails, and label is effectively prevent to be reused, and protects the interests of consumer.
On the basis of the various embodiments described above, the utility model embodiment additionally provides a kind of double antenna passive electronic label
System, comprising: the double antenna passive electronic label and legal checking article provided in the various embodiments described above, double antenna passive electrical
Subtab is attached on legal checking article；Wherein, double when double antenna passive electronic label is removed legal checking article
The second antenna in antenna passive electronic label is cut off.
Illustratively, legal checking article is the double antenna passive electronic label object accompanying when being used first time
Product namely genuine piece.Specifically, double antenna passive electronic label is due to double-antenna structure, it can be by one of antenna
It is fixedly attached on legal checking article, when the electronic tag being removed legal checking article to reach, it is attached that fixation can be cut off
The antenna on legal checking article, even if also the antenna by connected state becomes off-state, wherein be fixedly attached to conjunction
Antenna on method checking article is the second antenna described in the present embodiment.Specific second antenna adhering mode includes but unlimited
In stickup, can-cut connection etc., it is not limited thereto.Optionally, legal checking article is the appearance for accommodating setting substance
Device, the bottleneck of container are provided with matched bottle cap；Double antenna passive electronic label is attached on bottle cap, and the second antenna is arranged
In the link position of bottle cap and bottleneck.Certainly, which can also be attached on body, as long as working as bottle cap
The label adhering mode of the second antenna can be cut off when mutually separating with body, the protection scope of the utility model embodiment it
It is interior.
On the basis of the various embodiments described above, the utility model embodiment additionally provides a kind of double antenna passive electronic label
Monitoring system, the double antenna passive electronic label system provided including reader and the various embodiments described above, in which: reader,
For the double antenna passive electronic label transmission antenna Monitoring instruction into double antenna passive electronic label system；Double antenna is passive
Monitoring result for obtaining monitoring result according to antenna Monitoring instruction, and is back to reader, so that reader by electronic tag
The validity of double antenna passive electronic label is determined according to monitoring result.Illustratively, reader can be RF tag read-write
Device uses twireless radio-frequency communication between reader and double antenna passive electronic label.Specifically, double antenna can be read in reader
Transmission antenna Monitoring instruction when the identification information of passive electronic label, to verify the double antenna passive electronic label in time
Validity.After monitoring result is returned to reader by double antenna passive electronic label, reader can be true according to the monitoring result
Determine whether double antenna passive electronic label is effective, for example, if the monitoring result returned is identifier " 1 ", in care label
Second antenna is connected state, this label is effective, can continue to carry out fake certification according to the identification information of reading；If returning
The monitoring result returned is identifier " 0 ", then the second antenna in care label is off-state, this tag deactivation not can be carried out
Fake certification protects the interests of consumer so that label be effectively prevent to be reused.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of double antenna passive electronic label characterized by comprising antenna condition monitors mould group, first antenna, second day
Line, rf analog front-end and digital baseband circuit, in which:
The first antenna for obtaining energy from outside energy field, and receives the antenna Monitoring instruction of reader transmission；
The rf analog front-end is connected with the first antenna, for being that the antenna condition monitors mould group according to the energy
Power supply；
The digital baseband circuit is connected with the rf analog front-end and antenna condition monitoring mould group respectively, is used for root
Status monitoring open signal is generated according to the antenna Monitoring instruction, and the status monitoring open signal is sent to the antenna
Status monitoring mould group；
The antenna condition monitors mould group, for monitoring the on-off shape of second antenna according to the status monitoring open signal
State, and monitoring result is sent to the digital baseband circuit, so that the digital baseband circuit ties the received monitoring
Fruit is back to the reader by the rf analog front-end and the first antenna.
2. double antenna passive electronic label according to claim 1, which is characterized in that it further include memory, the storage
Device is connected with the digital baseband circuit, for storing the monitoring result.
3. double antenna passive electronic label according to claim 1, which is characterized in that the antenna condition monitoring mould group tool
Body includes switch control module, logic module output and observation circuit, in which:
The switch control module respectively with the digital baseband circuit, the first input end of the logic module output and institute
It states observation circuit to be connected, the status monitoring open signal for being sent according to the digital baseband circuit activates the logic
Output module and the observation circuit；
The observation circuit is connected with the second input terminal of second antenna and the logic module output respectively, is used for
Decision level signal is exported to the logic module output according to the on off operating mode of second antenna when being activated；
The output end of the logic module output is connected with the digital baseband circuit, for defeated according to the decision level signal
Monitoring result out, and the monitoring result is sent to the digital baseband circuit.
4. double antenna passive electronic label according to claim 3, which is characterized in that the observation circuit specifically includes
Puller circuit, pull-down circuit and biasing circuit, the pull-up circuit respectively with the first output end of the biasing circuit and institute
State the second antenna input terminal be connected, the pull-down circuit respectively with the second output terminal of the biasing circuit and described second
The output end of antenna is connected；
Second input terminal of the logic module output is connected with the output end of second antenna.
5. double antenna passive electronic label according to claim 4, which is characterized in that the rf analog front-end includes whole
Device is flowed, the rectifier is connected with the observation circuit, for providing high level signal for the observation circuit.
6. double antenna passive electronic label according to claim 5, which is characterized in that the pull-up circuit is specially PMOS
Pipe, the pull-down circuit is specially NMOS tube；
The grid of the PMOS tube connects the first output end of the biasing circuit, the source electrode access high level letter of the PMOS tube
Number, the drain electrode of the PMOS tube connects the input terminal of second antenna；
The grid of the NMOS tube connects the second output terminal of the biasing circuit, the drain electrode connection described second of the NMOS tube
The source electrode of the output end of antenna, the NMOS tube accesses low level signal.
7. double antenna passive electronic label according to claim 6, which is characterized in that switch control module specifically includes
One switching tube, second switch and NOT gate；
The control terminal of the first switch tube connects the digital baseband circuit, described in the input terminal connection of the first switch tube
The drain electrode of PMOS tube, the output end of the first switch tube connect the input terminal of second antenna；
The control terminal of the second switch connects the digital baseband circuit by the NOT gate, the second switch it is defeated
Enter the grid that end connects the NMOS tube, the output end of the second switch accesses the low level signal.
8. a kind of double antenna passive electronic label system characterized by comprising as claim 1-7 is described in any item double
Antenna passive electronic label and legal checking article, the double antenna passive electronic label be attached to legal checking article it
On；
Wherein, when the double antenna passive electronic label is removed the legal checking article, the double antenna passive electronic
The second antenna in label is cut off.
9. double antenna passive electronic label system according to claim 8, which is characterized in that the legal checking article is
For accommodating the container of setting substance, the bottleneck of the container is provided with matched bottle cap；
The double antenna passive electronic label is attached on the bottle cap, and second antenna is set to the bottle cap and institute
State the link position of bottleneck.
10. a kind of double antenna passive electronic label monitors system, which is characterized in that including reader and claim 8 or 9 institutes
The double antenna passive electronic label system stated, in which:
The reader, for the double antenna passive electronic label transmission antenna into the double antenna passive electronic label system
Monitoring instruction；
The double antenna passive electronic label, for obtaining monitoring result according to the antenna Monitoring instruction, and by the monitoring
As a result it is back to the reader, so that the reader determines the double antenna passive electronic label according to the monitoring result
Validity.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2018104569202 | 2018-05-14 | ||
| CN201810456920 | 2018-05-14 |
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| CN208188871U true CN208188871U (en) | 2018-12-04 |
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| CN201820774490.4U Active CN208188871U (en) | 2018-05-14 | 2018-05-23 | Double antenna passive electronic label, system and its monitoring system |
| CN201810500921.2A Active CN108416415B (en) | 2018-05-14 | 2018-05-23 | Dual-antenna passive electronic tag, system and monitoring system thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810500921.2A Active CN108416415B (en) | 2018-05-14 | 2018-05-23 | Dual-antenna passive electronic tag, system and monitoring system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108416415A (en) * | 2018-05-14 | 2018-08-17 | 上海坤锐电子科技有限公司 | Double antenna passive electronic label, system and its monitoring system |
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| CN109376836A (en) * | 2018-10-16 | 2019-02-22 | 深圳劲嘉盒知科技有限公司 | A kind of label and method for anti-counterfeit |
| CN109492725B (en) * | 2018-10-16 | 2022-05-06 | 深圳劲嘉盒知科技有限公司 | Label and anti-counterfeiting method |
| CN109492737A (en) * | 2018-12-27 | 2019-03-19 | 上海天臣防伪技术股份有限公司 | RFID chip, RFID electronic label, commodity |
| CN112016657A (en) * | 2020-08-31 | 2020-12-01 | 上海天俣可信物联网科技有限公司 | RFID tag chip circuit for preventing secondary utilization and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108416415A (en) * | 2018-05-14 | 2018-08-17 | 上海坤锐电子科技有限公司 | Double antenna passive electronic label, system and its monitoring system |
| CN108416415B (en) * | 2018-05-14 | 2023-09-01 | 上海坤锐电子科技有限公司 | Dual-antenna passive electronic tag, system and monitoring system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108416415A (en) | 2018-08-17 |
| CN108416415B (en) | 2023-09-01 |
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