CN106651387A - Method for supplying multi-bit random state code to commodity - Google Patents
Method for supplying multi-bit random state code to commodity Download PDFInfo
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- CN106651387A CN106651387A CN201610898766.5A CN201610898766A CN106651387A CN 106651387 A CN106651387 A CN 106651387A CN 201610898766 A CN201610898766 A CN 201610898766A CN 106651387 A CN106651387 A CN 106651387A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002452 interceptive effect Effects 0.000 claims description 18
- 238000002955 isolation Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- 238000010348 incorporation Methods 0.000 claims description 7
- 238000003491 array Methods 0.000 claims description 6
- 238000011217 control strategy Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 3
- 230000005055 memory storage Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 239000004020 conductor Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000009870 specific binding Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q30/018—Certifying business or products
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Abstract
The invention provides a method for supplying a multi-bit random state code to a commodity. The method comprises the steps of arranging a part A, a part B and corresponding circuit assemblies on a commodity, wherein the part A and the part B are provided with specific binding surfaces and the respective bonding surfaces of the parts A and B are provided with conductive geometric figures made of electrically conductive materials. Based on the combination of above figures, the on/off state of a circuit is reflected and then a potential signal is generated. The potential signal records and transmits the information by means of other circuit assemblies. Based on the above encoding manner, different keep-alive states of a commodity can be distinguished according to the status bit information sent from the commodity. Meanwhile, the method can be widely applied to commodity packages and has good effect in controlling the commodity circulation, the commodity quality and the commodity safety.
Description
Technical field
The present invention relates to RFID chip, particularly belongs to the random multi-digit coding field under commodity different conditions.
Background technology
When some specialities or important goods dispatch from the factory, we usually need to make some special random volumes to them
Code, to represent it a certain special state is in, and is worked as this product and entered after another kind of use state, and we wish outer again
Boundary can not easily obtain this coding, in order to avoid product is misled into also in original survival state.Such as lead in commodity counterfeit prevention
Domain, we have been desirable to such a random coded scheme, before commodity are not gated on consumption, we can produce it is a kind of completely with
The state encoding of machine, and work as commodity and be activated after consumption, this state encoding is not just deposited again at extraneous (beyond manufacturer's database)
Or be difficult to be resumed, as the counterfeit protection measures for some high added values or high price commodity, to preventing using old
Having packaging or used electronic tag to fake has critically important meaning.
The content of the invention
Present invention aim to address random coded problem of the commodity under different conditions, to prevent the stream of counterfeit goods
It is logical.
The technical scheme adopted to realize the object of the invention is as follows：
Scheme one：A kind of method for providing multidigit stochastic regime coding for commodity, compiles including the state being arranged on commodity
Code interface circuit component, this state encoding interface circuit component at least includes components A and part B；
There is respectively at least one particular combination face in the components A and part B of the state encoding interface circuit component；Institute
State and some electrically conductive contacts are dispersed with particular combination face, these electrically conductive contacts constitute electrically conductive geometric figure；
The conductive geometric figure of several the electrically conductive contact compositions on the particular combination face of the components A is distributed across two
Some sections of circular arc contacts on individual concentric circles；There is m on one of concentric circles2× j circular arc contact, these circular arc contacts are divided into m2
Group, forms m2Individual shape identical sector, the central angle corresponding to each sector is 360 °/m2, each sector has j circular arc
Contact, in the layout and arrangement all same of these circular arc contacts of each sector, wherein m2Natural number is with j；Another is concentric
All contacts on circle are connected to the ground；
Electrically conductive geometric figure on the particular combination face of the components A with need to gather the outer of random combine state encoding
Interface circuit connects；When the particular combination face of the components A fits together with the particular combination face of part B, collection is needed
The external interface circuit of random combine state encoding is by the electrically conductive geometric figure of components A and the electrically conductive geometric graph of part B
Shape forms galvanic circle, so as to produce one group of state encoding；
Several electrically conductive contacts are dispersed with the particular combination face of the part B, these electrically conductive contact respective arrays
On a concentric circles；
It is described to need the external interface circuit for gathering random combine state encoding to pass through portion when two isolation of components of A, B
The electrically conductive geometric figure of part A produces one group of initial status bit message；When the particular combination face of two parts of A, B is fitted in one
When rising, electrically conductive contact during the electrically conductive geometric figure random incorporation in the two particular combination face, on the particular combination face of part B
Can with coating member A it is upper two described in concentric circles scope, thus may cause respectively be located at two concentric circles on can
Conductive contact (each other) forms galvanic circle, so as to collect one group of state encoding.
The external interface circuit for needing to gather random combine state encoding is set to be formed by the electrically conductive geometric figure of components A
The on off operating mode of galvanic circle change and produce one group of particular state position because of the electrically conductive geometric impact of part B
Information；When fitting again after two isolation of components of A, B, the electrically conductive geometric figure in the two particular combination face is pasted at random again
Close, the on off operating mode for making galvanic circle changes again, and new one group status bit message can be regenerated again.
Scheme two：A kind of method for providing multidigit stochastic regime coding for commodity, including a band being arranged on commodity is mutual
The RFID chip of dynamic switch input terminal mouth and the state encoding interface circuit component being arranged on commodity；This state encoding interface
Circuit unit at least includes components A and part B；
There is respectively at least one particular combination face in the components A and part B of the state encoding interface circuit component；Institute
State and some electrically conductive contacts are dispersed with particular combination face, these electrically conductive contacts constitute electrically conductive geometric figure；
The conductive geometric figure of several the electrically conductive contact compositions on the particular combination face of the components A is distributed across two
Some sections of circular arc contacts on individual concentric circles；There is m on one of concentric circles2× j circular arc contact, these circular arc contacts are divided into m2
Group, forms m2Individual shape identical sector, the central angle corresponding to each sector is 360 °/m2, each sector has j circular arc
Contact, in the layout and arrangement all same of these circular arc contacts of each sector, wherein m2Natural number is with j；Another is concentric
All contacts on circle are connected to the ground；
Several electrically conductive contacts are dispersed with the particular combination face of the part B, these electrically conductive contact respective arrays
On a concentric circles；
The interactive switch input of the electrically conductive geometric figure on the particular combination face of the components A and the RFID chip
Mouth connection；When the particular combination face of the components A and the particular combination face of part B fit together, the RFID chip it is mutual
Dynamic switch input terminal mouth forms galvanic circle by the electrically conductive geometric figure of components A with the electrically conductive geometric figure of part B, from
And collect one group of state encoding；
When two isolation of components of A, B, interactive switch input port the leading by components A itself of the RFID chip
The conductive path that electric geometric figure is formed produces one group of initial status bit message；When the particular combination face of two parts of A, B
When fitting together, the electrically conductive geometric figure random incorporation in the two particular combination face, the electrically conductive geometric figure of part B will change
Become the on off operating mode of the galvanic circle of the electrically conductive geometric figure formation of components A, the interactive switch for making the RFID chip is input into
Port processing is to one group of particular state position information；When fitting again after two isolation of components of A, B, the two particular combination face can
Conductive geometric figure is fitted at random again, and the on off operating mode for making galvanic circle changes again, can be regenerated out again new
One group of status bit message；
The RFID chip with interactive switch input port includes radio-frequency interface circuit unit, calculation control unit, deposits
Storage unit and input interface circuit unit；The memory cell contains some information；When rfid interrogator with it is described
When RFID chip is written and read operation, the information that the calculation control unit is produced is external by its by radio-frequency interface circuit unit
Antenna carry out information transfer with rfid interrogator and exchange；In the RFID chip, the calculation control unit receives described
The status bit message that input interface circuit unit is produced；
The application system of the RFID chip is sent when arranging special instruction by rfid interrogator to the RFID chip,
Perform one or more in a～e：
A) read write line reads the status bit message that the input interface is produced by the calculation control unit；
B) information that the calculation control unit is produced is subject to the shadow of the status bit message of input interface unit generation
Ring, this information that calculation control unit is produced is obtained by read write line；
C) status bit message that the calculation control unit is produced according to input interface unit, selectively by the storage
One or more information of element memory storage is sent out；
D) calculation control unit according to calculate control strategy, with input interface unit produce status bit message and deposit
Storage unit inner storag information is parameter, calculates or determine the information being sent out；The calculation control unit calculate or determine to
The information of outer transmission is obtained by read write line；
E) calculation control unit according to calculate control strategy, with input interface unit produce status bit message and deposit
Storage unit inner storag information is parameter, and be automatically locked memory cell, is sent out the information of abnormal state change.
Further, it is divided into m on the particular combination face of the part B2Individual sector region, the circle corresponding to each sector region
Heart angle is 360 °/m2, each sector region random distribution j electrically conductive contacts, each these contact of sector layout and
Arrangement all same.
Further, two concentric circles of the components A are designated as respectively concentric circles A and concentric circles B；
All electrically conductive contact continuous earth on concentric circles A, all electrically conductive contact on concentric circles B does not forever connect
Ground；
Or, all electrically conductive contact continuous earth on concentric circles B, all electrically conductive contact on concentric circles A is not forever
It is grounded long.
Further, when the A parts are fitted with the particular combination face of B parts, the connection of the input terminal and earth point
Relation is randomly gated, that is, produce a random status bit message.
Further, the electrically conductive geometric figure in the components A and part B of the state encoding interface circuit component is constituted
Particular combination face is the on-plane surface binding face on circular, square, strip in plane, abnormity or three-dimensional part.
Further, the calculation control unit is Digital Logic calculation control unit；What the calculation control unit received
The status bit message that input interface circuit unit is produced is stored in memory cell or server；The memory cell is electrically erasable
Programmable read only memory (EEPROM).
Further, the calculation control unit is microprocessor calculation control unit, and it is single that the microprocessor calculates control
Unit is made up of microprocessor (CPU) and program storage (ROM)；The memory cell is by random access memory (RAM) and electrically erasable
Programmable read only memory (EEPROM) is constituted.
Further, the RFID chip can be active chip, and any one next state position information change all can be recorded in
In the memory cell.
Further, two component functions of described A, B and/or position can intercourse.
What deserves to be explained is, the claim and specification of the present invention are related to the A parts and may be located at commodity packaging
Outer surface；The B parts can be the paster of laminating A parts；When B parts are fitted first with A parts, resulting state
Position information is referred to as original state position, and this original state position is sent in application system；If B parts are from initially fitting over
State is separated, no matter whether the part of A, B two fits at random once again, the shape that system reads from the state encoding interface circuit
State position is small probability event relative to application demand with the probability of original state non-colinear position.In addition, two parts of described A, B exist
Function and position on commodity can be intercoursed.
The solution have the advantages that it is mathematical, by the change of status bit message can the accurate discrimination true and false, prevent
Mixed the spurious with the genuine by low-quality goods, to safeguarding social equity order and being worth significant.The solution of the present invention stability
By force, reliability is high, and relatively easily realizes, can widely be applied in anti-counterfeit field.
Description of the drawings
Fig. 1 is the electrically conductive geometric figure distribution schematic diagram in the particular combination face of components A；
Fig. 2 is the electrically conductive geometric figure distribution schematic diagram in the particular combination face of part B；
Fig. 3 is the schematic diagram of technical scheme in embodiment 3；
Fig. 4 is the functional schematic of the RFID chip with interactive switch input port；
Fig. 5 is the connection diagram of input interface circuit.
Specific embodiment
With reference to the accompanying drawings and examples the invention will be further described, but should not be construed above-mentioned theme of the invention
Scope is only limitted to following embodiments.Without departing from the idea case in the present invention described above, known according to ordinary skill
Know and customary means, make various replacements and change, all should include within the scope of the present invention.
Embodiment 1：
A kind of method for providing multidigit stochastic regime coding for commodity, including the state encoding interface electricity being arranged on commodity
Road component, this state encoding interface circuit component at least includes components A and part B.
There is respectively at least one particular combination face in the components A and part B of the state encoding interface circuit component.Institute
State and some electrically conductive contacts are dispersed with particular combination face, these electrically conductive contacts constitute electrically conductive geometric figure.
The conductive geometric figure of several the electrically conductive contact compositions on the particular combination face of the components A is distributed across two
Some sections of circular arc contacts on individual concentric circles.There is m on one of concentric circles2× j circular arc contact, these circular arc contacts are divided into m2
Group, forms m2Individual shape identical sector, the central angle corresponding to each sector is 360 °/m2, each sector has j circular arc
Contact, in the layout and arrangement all same of these circular arc contacts of each sector, wherein m2Natural number is with j.Another is concentric
All contacts on circle are connected to the ground.
Several electrically conductive contacts are dispersed with the particular combination face of the part B, these electrically conductive contact respective arrays
On a concentric circles.
Electrically conductive geometric figure on the particular combination face of the components A with need to gather the outer of random combine state encoding
Interface circuit connects.When the particular combination face of the components A fits together with the particular combination face of part B, collection is needed
The external interface circuit of random combine state encoding is by the electrically conductive geometric figure of components A and the electrically conductive geometric graph of part B
Shape forms galvanic circle, so as to produce one group of state encoding.
It is described to need the external interface circuit for gathering random combine state encoding to pass through portion when two isolation of components of A, B
The electrically conductive geometric figure of part A produces one group of initial status bit message.When the particular combination face of two parts of A, B is fitted in one
When rising, the electrically conductive geometric figure random incorporation in the two particular combination face makes to need to gather the external of random combine state encoding
The on off operating mode of the galvanic circle that interface circuit is formed by the electrically conductive geometric figure of components A is because of the electrically conductive geometry of part B
The impact of figure changes and produces one group of particular state position information.When fitting again after two isolation of components of A, B, the two
The electrically conductive geometric figure in particular combination face is fitted at random again, and the on off operating mode for making galvanic circle changes again, again meeting
Regenerate new one group status bit message.
Embodiment 2：
A kind of method for providing multidigit stochastic regime coding for commodity, including a band interactive switch being arranged on commodity is defeated
The RFID chip of inbound port and the state encoding interface circuit component being arranged on commodity.This state encoding interface circuit component
At least include components A and part B.
There is respectively at least one particular combination face in the components A and part B of the state encoding interface circuit component.Institute
State and some electrically conductive contacts are dispersed with particular combination face, these electrically conductive contacts constitute electrically conductive geometric figure.
The conductive geometric figure of several the electrically conductive contact compositions on the particular combination face of the components A is distributed across two
Some sections of circular arc contacts on individual concentric circles.There is m on one of concentric circles2× j circular arc contact, these circular arc contacts are divided into m2
Group, forms m2Individual shape identical sector, the central angle corresponding to each sector is 360 °/m2, each sector has j circular arc
Contact, in the layout and arrangement all same of these circular arc contacts of each sector, wherein m2Natural number is with j.Another is concentric
All contacts on circle are connected to the ground.
Several electrically conductive contacts are dispersed with the particular combination face of the part B, these electrically conductive contact respective arrays
On a concentric circles.Specifically, it is divided into m on the particular combination face of the part B2Individual sector region, each sector region institute
Corresponding central angle is 360 °/m2, each sector region random distribution j electrically conductive contacts.
The interactive switch input of the electrically conductive geometric figure on the particular combination face of the components A and the RFID chip
Mouth connection.When the particular combination face of the components A and the particular combination face of part B fit together, the RFID chip it is mutual
Dynamic switch input terminal mouth forms galvanic circle by the electrically conductive geometric figure of components A with the electrically conductive geometric figure of part B, from
And collect one group of state encoding.
When two isolation of components of A, B, interactive switch input port the leading by components A itself of the RFID chip
The conductive path that electric geometric figure is formed produces one group of initial status bit message.When the particular combination face of two parts of A, B
When fitting together, the electrically conductive geometric figure random incorporation in the two particular combination face, the electrically conductive geometric figure of part B will change
Become the on off operating mode of the galvanic circle of the electrically conductive geometric figure formation of components A, the interactive switch for making the RFID chip is input into
Port processing is to one group of particular state position information.When fitting again after two isolation of components of A, B, the two particular combination face can
Conductive geometric figure is fitted at random again, and the on off operating mode for making galvanic circle changes again, can be regenerated out again new
One group of status bit message.
The RFID chip with interactive switch input port includes radio-frequency interface circuit unit, calculation control unit, deposits
Storage unit and input interface circuit unit.The memory cell contains some information.When rfid interrogator is with described
When RFID chip is written and read operation, the information that rfid interrogator is produced with the calculation control unit is by radio-frequency interface circuit list
Unit carries out information transfer and exchange by its external antenna.In the RFID chip, the calculation control unit receives described
The status bit message that input interface circuit unit is produced.
The application system of the RFID chip is sent when arranging special instruction by rfid interrogator to the RFID chip,
Perform one or more in a～e：
A) read write line reads the status bit message that the input interface is produced by the calculation control unit.
B) information that the calculation control unit is produced is subject to the shadow of the status bit message of input interface unit generation
Ring, this information that calculation control unit is produced is obtained by read write line.
C) status bit message that the calculation control unit is produced according to input interface unit, selectively by the storage
One or more information of element memory storage is sent out.
D) calculation control unit according to calculate control strategy, with input interface unit produce status bit message and deposit
Storage unit inner storag information is parameter, calculates or determine the information being sent out.The calculation control unit calculate or determine to
The information of outer transmission is obtained by read write line.
E) calculation control unit according to calculate control strategy, with input interface unit produce status bit message and deposit
Storage unit inner storag information is parameter, and be automatically locked memory cell, is sent out the information of abnormal state change.
Embodiment 3：
The major part of the present embodiment is with embodiment 1 or embodiment 2, further, the A, the electrically conductive contact of part
Two concentric circles being located are designated as respectively concentric circles A and concentric circles B.
Referring specifically to Fig. 1, the particular combination face of components A is disc, m2=3, j=4, are divided into 3 sector regions, each fan
Central angle corresponding to shape region is 120 °.Preferably, on concentric circles A electrically conductive contact (4, black) is connected with Vss.Together
The electrically conductive contact (4, grey) of heart circle B and the interactive switch input port K of the RFID chip1、K2、K3、K4It is connected.
Referring to Fig. 2, the particular combination face of the part B can be disk.It is divided into 3 sector regions on disk, each fan
Central angle corresponding to shape region is 120 °, and each sector region random distribution four electrically conductive contacts, and these are electrically conductive tactile
The electrically conductive contact that point is fitted on concentric circles A and concentric circles B simultaneously, that is, cause the electrically conductive contact on concentric circles A and concentric circles B
Randomly connect, that is, the electrically conductive contact (grey) of concentric circles B is randomly grounded, thus change electrically conductive contact
(grey) connecting and disconnecting of the circuit relation, interactive switch input port produces the status bit message that can be read by RFID chip.Preferably,
Electrically conductive contact on disk (Fig. 2) is distributed on a concentric circles, after it is combined with particular combination face, this concentric circles
Scope covers the region that the concentric circles A and concentric circles B on particular combination face is located.
When components A, B fit, there is random electric potential signal in electrically conductive contact random incorporation thereon.Here can be with
Relation between them is equivalent to into the technical scheme shown in Fig. 3, i.e. signal corresponding to each terminal and represents a switch.It is logical
Crossing the relation of switching on-off causes final electric potential signal random one or more signals in " 0,1,2,3,4 " occur.
Embodiment 4：
The major part of the present embodiment is additionally provided with a kind of as shown in Figure 5 with any one embodiment of embodiment 2 or 3
A kind of specific input interface circuit unit.The input interface circuit unit includes first resistor R1, second resistance R2, unidirectional
Controlling switch and switch control rule position C1.First resistor R1 and second resistance R2 composition bleeder circuit, first resistor R1
Access power supply V in one endDD, the other end be divided into two-way, wherein all the way concatenate second resistance R2 after pass through chip outside connected switch KC1It is followed by
Ground VSS, connect the control bit C that unidirectionally controlled switch passes through calculation control unit all the way in addition1Calculation control unit is accessed after control
Input interface.The two ends of the unidirectionally controlled switch are respectively K1＇ and K1＂ terminals.The outside connected switch KC1With second resistance
One end of R2 links is K1Terminal.
The outside connected switch KC1When being controlled to closure by the external world, K1End and VSSConnection, by first resistor R1 and second
K after the bleeder circuit partial pressure of resistance R2 compositions1＇ is electronegative potential, K1＇ is input to calculation control unit after unidirectionally controlled switch
Input interface K1＂, at this moment K1＂ and K1＇ is similarly electronegative potential, and calculation control unit then thinks that outside connected switch circuit unit is corresponding
Switch position is " 0 ".
The outside connected switch KC1When being controlled to disconnection by the external world, K1End and VSSDisconnect, by first resistor R1 and second
K after the bleeder circuit partial pressure of resistance R2 compositions1＇ is high potential, K1＇ is input to calculation control unit after unidirectionally controlled switch
Input interface K1＂, at this moment K1＂ and K1＇ is similarly high potential, and calculation control unit then thinks that outside connected switch circuit unit is corresponding
Switch position is " 1 ".
Claims (9)
- It is 1. a kind of to provide the method that multidigit stochastic regime is encoded for commodity, it is characterised in that：Including the state being arranged on commodity Addressable port circuit unit, this state encoding interface circuit component at least includes components A and part B；There is respectively at least one particular combination face in the components A and part B of the state encoding interface circuit component；The spy Determine to be dispersed with some electrically conductive contacts on faying face, these electrically conductive contacts constitute electrically conductive geometric figure；The conductive geometric figure of several the electrically conductive contact compositions on the particular combination face of the components A is distributed across two together The heart justifies upper some sections of circular arc contacts；There is m on one of concentric circles2× j circular arc contact, these circular arc contacts are divided into m2Group, shape Into m2Individual shape identical sector, the central angle corresponding to each sector is 360 °/m2, each sector has j circular arc contact, The j circular arc contact respectively with need gather random combine state encoding external interface circuit be connected, each sector this The layout and arrangement all same of a little circular arc contacts, wherein m2Natural number is with j；All contacts on another concentric circles with Ground is connected；Several electrically conductive contacts are dispersed with the particular combination face of the part B, these electrically conductive contact respective arrays are in one On individual concentric circles；Electrically conductive geometric figure on the particular combination face of the components A connects with collection the external of random combine state encoding is needed Mouth circuit connection；When the particular combination face of the components A fits together with the particular combination face of part B, need collection random The external interface circuit of assembled state coding is by the electrically conductive geometric figure of components A and the electrically conductive geometric figure shape of part B Into galvanic circle, so as to produce one group of state encoding；It is described to need to gather the external interface circuit of random combine state encoding by components A when two isolation of components of A, B Electrically conductive geometric figure produces one group of initial status bit message；When the particular combination face of two parts of A, B fits together, The electrically conductive geometric figure random incorporation in the two particular combination face, makes the external interface electricity for needing to gather random combine state encoding The on off operating mode of the galvanic circle that road is formed by the electrically conductive geometric figure of components A is electrically conductive geometric because part B Impact changes and produces one group of particular state position information；When fitting again after two isolation of components of A, B, the two specific knot The electrically conductive geometric figure in conjunction face is fitted at random again, and the on off operating mode for making galvanic circle changes again, can be produced again again One group of new status bit message of life.
- It is 2. a kind of to provide the method that multidigit stochastic regime is encoded for commodity, it is characterised in that：The band being arranged on including one on commodity The RFID chip of interactive switch input port and the state encoding interface circuit component being arranged on commodity；This state encoding connects Mouth circuit unit at least includes components A and part B；There is respectively at least one particular combination face in the components A and part B of the state encoding interface circuit component；The spy Determine to be dispersed with some electrically conductive contacts on faying face, these electrically conductive contacts constitute electrically conductive geometric figure；The conductive geometric figure of several the electrically conductive contact compositions on the particular combination face of the components A is distributed across two together The heart justifies upper some sections of circular arc contacts；There is m on one of concentric circles2× j circular arc contact, these circular arc contacts are divided into m2Group, shape Into m2Individual shape identical sector, the central angle corresponding to each sector is 360 °/m2, each sector has j circular arc contact, The j circular arc contact is connected respectively with the interactive switch input port of the RFID chip, and in each sector, these circular arcs are touched The layout and arrangement all same of point, wherein m2Natural number is with j；All contacts on another concentric circles are connected to the ground Connect；Several electrically conductive contacts are dispersed with the particular combination face of the part B, these electrically conductive contact respective arrays are in one On individual concentric circles；Electrically conductive geometric figure on the particular combination face of the components A connects with the interactive switch input port of the RFID chip Connect；When the particular combination face of the components A fits together with the particular combination face of part B, the interaction of the RFID chip is opened Close input port and galvanic circle is formed with the electrically conductive geometric figure of part B by the electrically conductive geometric figure of components A, so as to adopt Collect one group of state encoding；When two isolation of components of A, B, the interactive switch input port of the RFID chip is by the electrically conductive several of components A itself The conductive path what figure is formed produces one group of initial status bit message；When the particular combination face of two parts of A, B is fitted When together, the electrically conductive geometric figure random incorporation in the two particular combination face, the electrically conductive geometric figure of part B will change portion The on off operating mode of the galvanic circle that the electrically conductive geometric figure of part A is formed, makes the interactive switch input port of the RFID chip Collect one group of particular state position information；When fitting again after two isolation of components of A, B, the two particular combination face it is electrically conductive Geometric figure is fitted at random again, and the on off operating mode for making galvanic circle changes again, and new one group can be regenerated out again Status bit message；The RFID chip with interactive switch input port includes that radio-frequency interface circuit unit, calculation control unit, storage are single Unit and input interface circuit unit；The memory cell contains some information；When rfid interrogator and the RFID cores When piece is written and read operation, the information that the calculation control unit is produced passes through its external antenna by radio-frequency interface circuit unit Information transfer is carried out with rfid interrogator and exchange；In the RFID chip, the calculation control unit receives the input and connects The status bit message that mouth circuit unit is produced；The application system of the RFID chip is sent when arranging special instruction by rfid interrogator to the RFID chip, is performed One or more in a～e：A) read write line reads the status bit message that the input interface is produced by the calculation control unit；B) information that the calculation control unit is produced is affected by the status bit message that the input interface unit is produced, and counts This information for calculating control unit generation is obtained by read write line；C) status bit message that the calculation control unit is produced according to input interface unit, selectively by the memory cell One or more information of memory storage is sent out；D) calculation control unit is according to control strategy is calculated, and the status bit message and storage produced with input interface unit is single First inner storag information is parameter, calculates or determine the information being sent out；The calculation control unit is calculated or determined to outgoing The information sent is obtained by read write line；E) calculation control unit is according to control strategy is calculated, and the status bit message and storage produced with input interface unit is single First inner storag information is parameter, and be automatically locked memory cell, is sent out the information of abnormal state change.
- 3. it is according to claim 1 and 2 it is a kind of for commodity provide multidigit stochastic regime coding method, it is characterised in that： It is divided into m on the particular combination face of the part B2Individual sector region, the central angle corresponding to each sector region is 360 °/m2, often Individual sector region random distribution j electrically conductive contact, in the layout and arrangement all same of each these contact of sector.
- 4. it is according to claim 1 and 2 it is a kind of for commodity provide multidigit stochastic regime coding method, it is characterised in that： Two concentric circles of the components A are designated as respectively concentric circles A and concentric circles B；All electrically conductive contact continuous earth on concentric circles A, all electrically conductive contact not continuous earth on concentric circles B；Or, all electrically conductive contact continuous earth on concentric circles B, all electrically conductive contact on concentric circles A does not forever connect Ground.
- 5. it is according to claim 1 and 2 it is a kind of for commodity provide multidigit stochastic regime coding method, it is characterised in that： When the A parts are fitted with the particular combination face of B parts, the input terminal is randomly selected with the annexation of earth point It is logical, that is, produce a random status bit message.
- 6. it is according to claim 2 it is a kind of for commodity provide multidigit stochastic regime coding method, it is characterised in that：It is described The particular combination face that electrically conductive geometric figure in the components A and part B of state encoding interface circuit component is constituted is in plane Circular, square, strip, the on-plane surface binding face on abnormity or three-dimensional part.
- 7. it is according to claim 2 it is a kind of for commodity provide multidigit stochastic regime coding method, it is characterised in that：It is described Calculation control unit is Digital Logic calculation control unit；The input interface circuit unit that the calculation control unit receives is produced Status bit message store in memory cell or server；The memory cell is EEPROM (EEPROM)。
- 8. it is according to claim 2 it is a kind of for commodity provide multidigit stochastic regime coding method, it is characterised in that：It is described Calculation control unit is microprocessor calculation control unit, the microprocessor calculation control unit by microprocessor (CPU) and Program storage (ROM) is constituted；The memory cell is by random access memory (RAM) and EEPROM (EEPROM) constitute.
- 9. according to claim 1～6 any claim it is a kind of for commodity provide multidigit stochastic regime coding method, It is characterized in that：Two component functions of described A, B and/or position can intercourse.
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| PCT/CN2017/072003 WO2017133504A1 (en) | 2016-02-05 | 2017-01-22 | Method for providing multi-bit random status code for commodity |
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