CN106778990A - Information coding structure based on circumferential arrangement step array - Google Patents
Information coding structure based on circumferential arrangement step array Download PDFInfo
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- CN106778990A CN106778990A CN201611031890.8A CN201611031890A CN106778990A CN 106778990 A CN106778990 A CN 106778990A CN 201611031890 A CN201611031890 A CN 201611031890A CN 106778990 A CN106778990 A CN 106778990A
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- disk
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- step cycle
- central angle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/22—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose for use in combination with accessories specially adapted for information-bearing cards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
-
- 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
- G06K19/06009—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 with optically detectable marking
- G06K19/06046—Constructional details
- G06K19/06159—Constructional details the marking being relief type, e.g. three-dimensional bar codes engraved in a support
Abstract
Information coding structure of the present invention based on circumferential arrangement step array belongs to packed and transported, encrypting and decrypting and field of information security technology；The information coding structure for being based on circumferential arrangement step array includes coding internal layer and sponge outer layer, and the sponge outer layer is connected by tearing line with coding internal layer, and the surface for encoding internal layer is provided with the first disk, the second disk and the 3rd disk；First disk includes n central angle into the step cycle of arithmetic progression, the shoulder height monotone variation in each step cycle in circumferencial direction；Second disk includes p in circumferencial directioniIndividual step cycle, the shoulder height monotone variation in each step cycle；3rd disk includes 1 article of start line and the n articles of position line in circumferencial direction；The present invention can change the mode that personal information is directly displayed on express delivery document, and then personal information is fundamentally resolved by the problem that express delivery document is revealed.
Description
Technical field
Information coding structure of the present invention based on circumferential arrangement step array belongs to packed and transported, encrypting and decrypting and information peace
Full technical field.
Background technology
Net purchase has turned into a kind of consumption pattern indispensable during people live, and express delivery list is also as between both parties
The important documents of transaction.At present, because the personal information of both parties can be directly displayed on express delivery document, and according to express delivery
Information on document is dispensed, therefore the personal information of both parties can be completely exposed in the links of dispatching, this
Just it is easy to cause the loss of personal information.Show according to investigations, the personal information more than 70% is leaked by express delivery document, and this gives
Daily life brings many puzzlements, or even causes serious economic loss.
In face of the safety problem of leakage of personal information, although appealed that government strengthens working out strict prison to logistic industry
Pipe mode, while also improving both parties to the protective awareness of personal information, but because personal information is directly displayed at soon
The mode passed on document does not change, therefore personal information is also just had no idea fundamentally by the problem that express delivery document is revealed
It is resolved.
The content of the invention
Regarding to the issue above, the invention discloses a kind of information coding structure based on circumferential arrangement step array, the knot
Structure can thoroughly change the mode that personal information is directly displayed on express delivery document, and then personal information is let out by express delivery document
The problem of dew is fundamentally resolved.
The object of the present invention is achieved like this：
Information coding structure based on circumferential arrangement step array, including coding internal layer and sponge outer layer, outside the sponge
Layer is connected by tearing line with coding internal layer, and the surface for encoding internal layer is provided with the first disk, the second disk and the 3rd disk；
First disk includes n central angle into the step cycle of arithmetic progression, each step cycle in circumferencial direction
Interior shoulder height monotone variation, the central angle corresponding to step in the identical step cycle is equal, has in i-th step cycle
piIndividual fan-shaped step；
Second disk includes p in circumferencial directioniIndividual step cycle, the dull change of shoulder height in each step cycle
Change, the central angle corresponding to step in the identical step cycle is equal, central angle and the first circle corresponding to j-th step cycle
Central angle in disk corresponding to j-th step is equal, has q in j-th step cycleiIndividual fan-shaped step；
3rd disk includes 1 article of start line and the n articles of position line, 1 start line and n bars position in circumferencial direction
Line is respectively positioned on radial location, and sectional view is triangle, correspondence maximum central angle step cycle in start line the first disk of correspondence
With the intersection in correspondence minimum central angle step cycle, a step cycle in the every position line the first disk of correspondence.
A kind of letter based on circumferential arrangement step array of the above-mentioned information coding structure based on circumferential arrangement step array
Breath coding/decoding method, comprises the following steps：
Step a, sponge outer layer is torn, expose coding internal layer；
Step b, ensure that plane where distance detector running orbit is parallel with coding internal layer place plane under conditions of,
It is the center of circle with the first circle disk center, is radius, distance detector operation one with the random length no more than the first disc radius
Individual circular trace, to the first disk record distance and the corresponding relation f of angle1(d1,α1), it is the center of circle with the second circle disk center, with
It is radius no more than the random length of the second disc radius, distance detector runs a circular trace, and the second disk is remembered
The corresponding relation f of record distance and angle2(d2,α2), with the 3rd circle disk center as the center of circle, with appointing no more than the 3rd disc radius
Meaning length is radius, and distance detector runs a circular trace, to the 3rd disk record distance and the corresponding relation of angle
f3(d3,α3)；
Step c, to f1(d1,α1) differentiate, it is step change location under angle of the derivative absolute value more than threshold value；
In step change location, derivative less than 0 is a liter step, and derivative more than 0 is drop step；According to step change location and lifting
The Changing Pattern of step, determines the Changing Pattern of step in the first disk with angle；
Step d, to f2(d2,α2) differentiate, it is step change location under angle of the derivative absolute value more than threshold value；
In step change location, derivative less than 0 is a liter step, and derivative more than 0 is drop step；According to step change location and lifting
The Changing Pattern of step, determines the Changing Pattern of step in the second disk with angle；
Step e, to f3(d3,α3) differentiate, it is step change location under angle of the derivative absolute value more than threshold value；
In step change location, derivative less than 0 is a liter step, and derivative more than 0 is drop step；According to step change location and lifting
The Changing Pattern of step, determines the Changing Pattern of start line and the position line in the 3rd disk with angle；
Step c, step d and step e are synchronously performed or successively performed in any order；
Step f, find the first disk, correspondence maximum central angle step cycle and correspondence minimum central angle step cycle
Intersection, original position is defined as by the position, and the Changing Pattern f of step in the first disk with angle is planned again1(d1,β)；
Step g, find the second disk, correspondence maximum central angle step cycle and correspondence minimum central angle step cycle
Intersection, original position is defined as by the position, and the Changing Pattern f of step in the second disk with angle is planned again2(d2,β)；
Step h, the start line found in the 3rd disk, original position is defined as by start line position, is planned again
In 3rd disk the position line with angle Changing Pattern f3(d3,β)；
Step f, step g and step h are synchronously performed or successively performed in any order；
Step i, based on f1(d1,β)、f2(d2, β) and f3(d3, β) the equal principle of angle, determine step in the first disk,
In second disk in step and the 3rd disk the position line corresponding relation；
Step j, the corresponding relation according to the position line in step in step, the second disk in the first disk and the 3rd disk,
Identification hiding information.
The above-mentioned information decoding method based on circumferential arrangement step array, the step j is comprised the following steps：
Step j1, step in the first disk is encoded, the coding includes period code and step yard；
Step j2, step in the second disk is encoded, the coding includes large period code, minor cycle yard and small stair
Code；
Step j3, the position line in the 3rd disk is encoded, the coding includes position code；
Step j1, step j2 and step j3 are synchronously performed or successively performed in any order；
The position code, period code are consistent with large period code, and step code is consistent with minor cycle code；
Step j4, step code with minor cycle code consistent principle consistent with large period code based on position code, period code, will
First disk, the second disk and the 3rd disk carry out integration coding, obtain period code, step code and small stair code；
Step j5, based on period code, step code and small stair code, find the information in information table.
Beneficial effect：
Firstth, compared with express delivery document, be all hidden in all personal information in three disks by the present invention, and people cannot be straight
Acquisition information is seen, therefore with the function of hiding personal information.
Secondth, information coding structure of the present invention include coding internal layer and sponge outer layer, the sponge outer layer by tearing line with
Coding internal layer connection, the surface for encoding internal layer is provided with the first disk, the second disk and the 3rd disk；Carry personal information
Disk is hidden in coding internal layer, it is hereby ensured that information security.
3rd, because identification information needs to tear sponge outer layer, therefore, it is possible to by tearing line, whether breakage judges to be
It is no to have information leakage.
4th, after identification information, personal information is still hidden in three disks, without being carried out at damage to packaging
Reason.
5th, in structure of the present invention, step institute in step cycle and each cycle can according to actual needs be changed
Corresponding central angle, increased flexibility during practical application.
6th, in structure of the present invention, due to repainting step curve according to step relative altitude, and encoded,
Therefore the height to step does not do accurate processing request, equally increased flexibility during practical application.
7th, coding is flexibly changed with the corresponded manner of information, and autgmentability is strong.
To sum up, the present invention can change the mode that personal information is directly displayed on express delivery document, and then make personal information
The problem revealed by express delivery document is fundamentally resolved.
Meanwhile, with the patent of invention declared on the same day《A kind of packaging system with information hidden function》With《One kind is based on
The hiding information recognition methods of distance identification》Compare, the present invention does not need three clear and definite corresponding relations of disc angle, and correspondence is not
The position corresponding relation of step in two patents of invention declared on the same day is needed, therefore is set up and is more prone to, not only simplified
Three setting steps of disk, and reduce labour cost.
Brief description of the drawings
Fig. 1 is the information coding structure schematic diagram based on circumferential arrangement step array before sponge outer layer is torn.
Fig. 2 is the information coding structure schematic diagram based on circumferential arrangement step array after sponge outer layer is torn.
Specific embodiment
Specific embodiment one
The present embodiment is the information coding structure embodiment based on circumferential arrangement step array.
The information coding structure based on circumferential arrangement step array of the present embodiment, including coding internal layer and sponge outer layer,
The sponge outer layer is connected by tearing line with coding internal layer, and the surface of coding internal layer is provided with the first disk, the second disk and the
Three disks；
The information coding structure schematic diagram based on circumferential arrangement step array before sponge outer layer is torn is as shown in Figure 1；
Sponge outer layer tear after the information coding structure schematic diagram based on circumferential arrangement step array as shown in Fig. 2
In Fig. 2, plateau rank is represented with black, low step is represented with white；
First disk includes n central angle into the step cycle of arithmetic progression, each step cycle in circumferencial direction
Interior shoulder height monotone variation, the central angle corresponding to step in the identical step cycle is equal, has in i-th step cycle
piIndividual fan-shaped step；
Second disk includes p in circumferencial directioniIndividual step cycle, the dull change of shoulder height in each step cycle
Change, the central angle corresponding to step in the identical step cycle is equal, central angle and the first circle corresponding to j-th step cycle
Central angle in disk corresponding to j-th step is equal, has q in j-th step cycleiIndividual fan-shaped step；
3rd disk includes 1 article of start line and the n articles of position line, 1 start line and n bars position in circumferencial direction
Line is respectively positioned on radial location, and sectional view is triangle, correspondence maximum central angle step cycle in start line the first disk of correspondence
With the intersection in correspondence minimum central angle step cycle, a step cycle in the every position line the first disk of correspondence.
Specific embodiment two
The present embodiment is the information decoding method embodiment based on circumferential arrangement step array.
The information decoding method based on circumferential arrangement step array of the present embodiment, is being based on circle described in specific embodiment one
Realized on the information coding structure of week arrangement step array, the method is comprised the following steps：
Step a, sponge outer layer is torn, expose coding internal layer；
Step b, ensure that plane where distance detector running orbit is parallel with coding internal layer place plane under conditions of,
It is the center of circle with the first circle disk center, is radius, distance detector operation one with the random length no more than the first disc radius
Individual circular trace, to the first disk record distance and the corresponding relation f of angle1(d1,α1), it is the center of circle with the second circle disk center, with
It is radius no more than the random length of the second disc radius, distance detector runs a circular trace, and the second disk is remembered
The corresponding relation f of record distance and angle2(d2,α2), with the 3rd circle disk center as the center of circle, with appointing no more than the 3rd disc radius
Meaning length is radius, and distance detector runs a circular trace, to the 3rd disk record distance and the corresponding relation of angle
f3(d3,α3)；
Step c, to f1(d1,α1) differentiate, it is step change location under angle of the derivative absolute value more than threshold value；
In step change location, derivative less than 0 is a liter step, and derivative more than 0 is drop step；According to step change location and lifting
The Changing Pattern of step, determines the Changing Pattern of step in the first disk with angle；
Step d, to f2(d2,α2) differentiate, it is step change location under angle of the derivative absolute value more than threshold value；
In step change location, derivative less than 0 is a liter step, and derivative more than 0 is drop step；According to step change location and lifting
The Changing Pattern of step, determines the Changing Pattern of step in the second disk with angle；
Step e, to f3(d3,α3) differentiate, it is step change location under angle of the derivative absolute value more than threshold value；
In step change location, derivative less than 0 is a liter step, and derivative more than 0 is drop step；According to step change location and lifting
The Changing Pattern of step, determines the Changing Pattern of start line and the position line in the 3rd disk with angle；
Step c, step d and step e are synchronously performed or successively performed in any order；
Step f, find the first disk, correspondence maximum central angle step cycle and correspondence minimum central angle step cycle
Intersection, original position is defined as by the position, and the Changing Pattern f of step in the first disk with angle is planned again1(d1,β)；
Step g, find the second disk, correspondence maximum central angle step cycle and correspondence minimum central angle step cycle
Intersection, original position is defined as by the position, and the Changing Pattern f of step in the second disk with angle is planned again2(d2,β)；
Step h, the start line found in the 3rd disk, original position is defined as by start line position, is planned again
In 3rd disk the position line with angle Changing Pattern f3(d3,β)；
Step f, step g and step h are synchronously performed or successively performed in any order；
Step i, based on f1(d1,β)、f2(d2, β) and f3(d3, β) the equal principle of angle, determine step in the first disk,
In second disk in step and the 3rd disk the position line corresponding relation；
Step j, the corresponding relation according to the position line in step in step, the second disk in the first disk and the 3rd disk,
Identification hiding information.
Specific embodiment three
The present embodiment is the information decoding method embodiment based on circumferential arrangement step array.
The information decoding method based on circumferential arrangement step array of the present embodiment, on the basis of specific embodiment two,
Step j is further limited to comprise the following steps：
Step j1, step in the first disk is encoded, the coding includes period code and step yard；
Step j2, step in the second disk is encoded, the coding includes large period code, minor cycle yard and small stair
Code；
Step j3, the position line in the 3rd disk is encoded, the coding includes position code；
Step j1, step j2 and step j3 are synchronously performed or successively performed in any order；
The position code, period code are consistent with large period code, and step code is consistent with minor cycle code；
Step j4, step code with minor cycle code consistent principle consistent with large period code based on position code, period code, will
First disk, the second disk and the 3rd disk carry out integration coding, obtain period code, step code and small stair code；
Step j5, based on period code, step code and small stair code, find the information in information table.
Specific embodiment four
The present embodiment is the information decoding method embodiment based on circumferential arrangement step array.
The information decoding method based on circumferential arrangement step array of the present embodiment, with the first disk, the second disk in Fig. 2
As a example by the 3rd disk, the specific steps of the method are illustrated, comprised the following steps：
Step a, sponge outer layer is torn, expose coding internal layer；
Step b, ensure that plane where distance detector running orbit is parallel with coding internal layer place plane under conditions of,
It is the center of circle with the first circle disk center, is radius, distance detector operation one with the random length no more than the first disc radius
Individual circular trace, to the first disk record distance and the corresponding relation f of angle1(d1,α1), it is the center of circle with the second circle disk center, with
It is radius no more than the random length of the second disc radius, distance detector runs a circular trace, and the second disk is remembered
The corresponding relation f of record distance and angle2(d2,α2), with the 3rd circle disk center as the center of circle, with appointing no more than the 3rd disc radius
Meaning length is radius, and distance detector runs a circular trace, to the 3rd disk record distance and the corresponding relation of angle
f3(d3,α3)；
For the first disk, the result for detecting is as shown in the table：
| Angle | Distance |
| 0~60 | Far |
| 60~120 | Closely |
| 120~240 | Far |
| 240~360 | Closely |
For the second disk, the result for detecting is as shown in the table：
| Angle | Distance |
| 0~30 | Far |
| 30~60 | Closely |
| 60~90 | Far |
| 90~120 | Closely |
| 120~180 | Far |
| 180~240 | Closely |
| 240~300 | Far |
| 300~360 | Closely |
For the 3rd disk, the result for detecting is as shown in the table：
| Angle | Distance |
| 0 | Closely |
| 15 | Closely |
| 150 | Closely |
| Other | Far |
Step c, to f1(d1,α1) differentiate, it is step change location under angle of the derivative absolute value more than threshold value；
In step change location, derivative less than 0 is a liter step, and derivative more than 0 is drop step；According to step change location and lifting
The Changing Pattern of step, determines the Changing Pattern of step in the first disk with angle；
Step d, to f2(d2,α2) differentiate, it is step change location under angle of the derivative absolute value more than threshold value；
In step change location, derivative less than 0 is a liter step, and derivative more than 0 is drop step；According to step change location and lifting
The Changing Pattern of step, determines the Changing Pattern of step in the first disk with angle；
Step e, to f3(d3,α3) differentiate, it is step change location under angle of the derivative absolute value more than threshold value；
In step change location, derivative less than 0 is a liter step, and derivative more than 0 is drop step；According to step change location and lifting
The Changing Pattern of step, determines the Changing Pattern of start line and the position line in the first disk with angle；
The step that step c, step d and step e are obtained is as shown in the table with the Changing Pattern of angle：
For the first disk, the result for detecting is as shown in the table：
| Angle | Distance |
| 0~60 | It is low |
| 60~120 | It is high |
| 120~240 | It is low |
| 240~360 | It is high |
For the second disk, the result for detecting is as shown in the table：
| Angle | Distance |
| 0~30 | It is low |
| 30~60 | It is high |
| 60~90 | It is low |
| 90~120 | It is high |
| 120~180 | It is low |
| 180~240 | It is high |
| 240~300 | It is low |
| 300~360 | It is high |
For the 3rd disk, the result for detecting is as shown in the table：
| Angle | Distance |
| 0 | It is low |
| 15 | It is low |
| 150 | It is low |
| Other | It is high |
Step c, step d and step e are synchronously performed or successively performed in any order；
Step f, find the first disk, correspondence maximum central angle step cycle and correspondence minimum central angle step cycle
Intersection, original position is defined as by the position, and the Changing Pattern f of step in the first disk with angle is planned again1(d1,β)；
Step g, find the second disk, correspondence maximum central angle step cycle and correspondence minimum central angle step cycle
Intersection, original position is defined as by the position, and the Changing Pattern f of step in the second disk with angle is planned again2(d2,β)；
Step h, the start line found in the 3rd disk, original position is defined as by start line position, is planned again
In 3rd disk the position line with angle Changing Pattern f3(d3,β)；
In the present embodiment, because the first disk only has two cycles, therefore correspondence maximum central angle step cycle and right
Answering the intersection in minimum central angle step cycle has two, and according to rotate counterclockwise, first intersection is the intersection to be looked for, due to
The intersection of the first disk, the second disk and the 3rd disk is all 0 degree of position, therefore result and the preceding phase of planning again after planning
Together；
Step f, step g and step h are synchronously performed or successively performed in any order；
Step i, based on f1(d1,β)、f2(d2, β) and f3(d3, β) the equal principle of angle, determine step in the first disk,
In second disk in step and the 3rd disk the position line corresponding relation；
The corresponding relation for obtaining is, low in low and the second disk in first position line the first disk of correspondence, second
It is low in low and the second disk in the first disk of individual position line correspondence；
Step j, the corresponding relation according to the position line in step in step, the second disk in the first disk and the 3rd disk,
Identification hiding information.
First position line be province mark, in the first disk in step, the second disk step and province corresponding relation
It is as shown in the table：
| First disk | Second disk | Province |
| It is low | It is low | A is saved |
| It is low | It is high | B is saved |
| It is high | It is low | C is saved |
| It is high | It is high | D is saved |
Corresponding relation in table, is able to know that in low and the second disk in first position line the first disk of correspondence
It is low, it is corresponding be A save；
Second position line is urban sign, it is determined that corresponding to first position line being the first circle on the premise of A is saved
The corresponding relation in step and city is as shown in the table in step, the second disk in disk：
| First disk | Second disk | Province |
| It is low | It is low | A cities |
| It is low | It is high | B cities |
| It is high | It is low | C cities |
| It is high | It is high | D cities |
Corresponding relation in table, is able to know that in low and the second disk in first position line the first disk of correspondence
It is low, corresponding is A cities；
By that analogy, it may be determined that any information.
Even name information, it is also possible to determine the pronunciation of name by initial consonant, simple or compound vowel of a Chinese syllable, tone, further according in the pronunciation
In ranking determine be which word.
Also, it should be noted that start line and the position line in the 3rd disk, can be by setting different linear or/and lines
Width makes a distinction.
Claims (1)
1. the information coding structure of circumferential arrangement step array is based on, it is characterised in that including coding internal layer and sponge outer layer, institute
State sponge outer layer to be connected with coding internal layer by tearing line, the surface for encoding internal layer is provided with the first disk, the second disk and the 3rd
Disk；
First disk includes n central angle into the step cycle of arithmetic progression in circumferencial direction, in each step cycle
Shoulder height monotone variation, the central angle corresponding to step in the identical step cycle is equal, has p in i-th step cycleiIt is individual
Fan-shaped step；
Second disk includes p in circumferencial directioniIndividual step cycle, the shoulder height monotone variation in each step cycle, phase
It is equal with the central angle corresponding to the step in the step cycle, in the central angle and the first disk corresponding to j-th step cycle
Central angle corresponding to j-th step is equal, has q in j-th step cycleiIndividual fan-shaped step；
3rd disk includes 1 article of start line and the n articles of position line in circumferencial direction, and 1 start line and the n bar positions line are equal
Positioned at radial location, sectional view is triangle, correspondence maximum central angle step cycle and right in start line the first disk of correspondence
Answer the intersection in minimum central angle step cycle, a step cycle in the every position line the first disk of correspondence.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910946688.5A CN110633775B (en) | 2016-11-19 | 2016-11-19 | Information coding inner layer device |
| CN201611031890.8A CN106778990B (en) | 2016-11-19 | 2016-11-19 | Information coding structure based on circumferential arrangement step array |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611031890.8A CN106778990B (en) | 2016-11-19 | 2016-11-19 | Information coding structure based on circumferential arrangement step array |
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|---|---|---|---|
| CN201910946688.5A Division CN110633775B (en) | 2016-11-19 | 2016-11-19 | Information coding inner layer device |
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| CN106778990A true CN106778990A (en) | 2017-05-31 |
| CN106778990B CN106778990B (en) | 2019-11-01 |
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| CN201910946688.5A Active CN110633775B (en) | 2016-11-19 | 2016-11-19 | Information coding inner layer device |
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| CN106778990B (en) | 2019-11-01 |
| CN110633775B (en) | 2023-02-03 |
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