CN109767535A - A kind of access control system and method for the adaptive bar code based on Wiegand protocol - Google Patents
A kind of access control system and method for the adaptive bar code based on Wiegand protocol Download PDFInfo
- Publication number
- CN109767535A CN109767535A CN201910045523.0A CN201910045523A CN109767535A CN 109767535 A CN109767535 A CN 109767535A CN 201910045523 A CN201910045523 A CN 201910045523A CN 109767535 A CN109767535 A CN 109767535A
- Authority
- CN
- China
- Prior art keywords
- bar code
- data
- authority information
- access control
- recognizing apparatus
- 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.)
- Pending
Links
Abstract
The present invention relates to a kind of access control systems of adaptive bar code based on Wiegand protocol, executive device is acted including access controller, recognizing apparatus and gate inhibition, recognizing apparatus scanning bar code is simultaneously decoded, obtain the authority information that executive device is acted for access control, after authority information is encrypted and is encoded into binary number by recognizing apparatus, data penetration transmission is carried out by the Wiegand interface of recognizing apparatus；The Wiegand interface of access controller is from the data of recognizing apparatus, decoding decryption obtains authority information, and it is compared with the default access stored in access controller, pass through if comparing, notifies gate inhibition to act executive device and execute corresponding operating according to authority information.Advantages of the present invention: the data bits of transmission is no longer influenced by the limitation of Wiegand protocol, realizes remote transmission data with arbitrary length, the different bar code of the various length of Adaptive Transmission.
Description
Technical field
The present invention relates to the access control systems and method of a kind of adaptive bar code based on Wiegand protocol, belong to access control system neck
Domain.
Background technique
Wiegand agreement (Wiegand protocol) is standard unified in the world, is a kind of suitable for the logical of access control system
Believe agreement.It has many formats, and the 26-bit of standard is most common format, and in addition there are the formats such as 34-bit, 36-bit.And
Standard 26-bit format is an open format, open to the user of all IC card, almost all of access control system
All receive the 26-Bit format of standard.
Wiegand interface is usually made of 3 lines: data 0(Data0), data 1(Data1) and Data return.This
3 lines are responsible for transmitting Wiegand signal.D0, D1 all holding+5V high level when no data export.If output is 0, D0
A period of time is dragged down, if output is that 1, D1 drags down a period of time.The 26-bit Wiegand output format of standard is as follows: E XXXX
XXXX XXXX XXXX XXXX XXXX O, wherein the 1st and the 26th is check bit, 2-9 are producer's code, only 10-25
Position is that card number position can be used for transmitting information.In the Wiegand protocol of either 26-bit or extended formatting, in each data packet, number
It is fixed digit according to amount, and limited bits.Then, industry is identified in bar code, miscellaneous barcode types are numerous, and data are long
It spends different, is transmitted according to root agreement, then need to formulate the Wiegand data lattice of corresponding digit according to the information content of each yard
Formula, for example, for example, when, in use, the bar code as bar code must include temporal information, authorization is weighed as access permission information
Limit, authorization ID or customer number etc., the data volume for needing to transmit is big, then the format of seniority top digit is needed, when access control system bar code
When changing or the transmission information carried being needed to change (transmission data reduce or increase), and Wiegand data must be modified again
Format, and data are packaged and data decode many and diverse, inefficiency.
The data transfer modes such as existing serial ports, USB, bluetooth can transmit the data of random length, but it is only capable of applying
In short-distance transmission.In access control system, distance is farther out, therefore, existing to transmit between access controller and identification equipment
The equipment of data with arbitrary length is not directly applicable in access control system.
In view of this, present invention applicant breaks the limitation that those skilled in the art apply Wiegand protocol, one is proposed
Kind based on Wiegand protocol and being capable of adaptive various bar codes, the access control system of remote transmission random length information.
Summary of the invention
The adaptive bar code access control system based on Wiegand protocol that in order to solve the above technical problem, the present invention provides a kind of,
It overcomes those skilled in the art to the technology prejudice of Wiegand protocol application mode, and the data bits of transmission is no longer influenced by Wiegand association
The limitation of view is realized remote transmission data with arbitrary length, the different bar code of the various length of Adaptive Transmission, while can also be mentioned
High data transmission security.
Technical solution of the present invention one is as follows:
A kind of access control system of the adaptive bar code based on Wiegand protocol, including access controller, recognizing apparatus and gate inhibition are dynamic
Make executive device, the recognizing apparatus scans bar code and decoded, and obtains the permission that executive device is acted for access control
Information, after authority information is encrypted and is encoded into binary number by the recognizing apparatus, the binary number passes through on recognizing apparatus
Wiegand interface carry out data penetration transmission；The Wiegand interface of the access controller from the data of recognizing apparatus,
Decoding decryption obtains authority information, and it is compared with the default access stored in access controller, passes through if comparing,
Gate inhibition is notified to act executive device and execute corresponding operating according to authority information.
More preferably, the bar code is generated in client, by the APP managing gate inhibition permission in client, by authority information
Access controller is transmitted to as the default access, and the bar code is generated according to authority information.
More preferably, the access controller judge the data from recognizing apparatus whether the mode of end of transmission include: 1),
Default timeout threshold: after data are transmitted, not receiving new data in timeout threshold, then determines the secondary data transmission
Terminate；2), preset termination character: recognizing apparatus sends preset termination character when completing data penetration transmission, works as access controller
When receiving the termination character, the secondary the data transfer ends are determined.
More preferably, the bar code is two dimensional code, one-dimension code, customized pattern or threedimensional model.
More preferably, the authority information includes authorization ID number, the period of entrance, authorization object name, authorization object
Not, gate inhibition's number and/or authorization details.
The present invention also provides a kind of methods of adaptive bar code based on Wiegand protocol.
Technical solution of the present invention two is as follows:
A method of the adaptive bar code based on Wiegand protocol includes the following steps: the recognizing apparatus scanning in access control system
Bar code is simultaneously decoded, and obtains the authority information that executive device is acted for access control, the recognizing apparatus is by authority information
After encrypting and being encoded into binary number, the binary number carries out data penetration transmission by the Wiegand interface of recognizing apparatus；
For the Wiegand interface of access controller from the data of recognizing apparatus, decoding decryption obtains authority information, and by its
It is compared with the default access stored in access controller, passes through if comparing, notify gate inhibition that movement is held according to authority information
Luggage sets execution corresponding operating.
More preferably, the bar code is generated in client, by the APP managing gate inhibition permission in client, by authority information
Access controller is transmitted to as the default access, and the bar code is generated according to authority information.
More preferably, the access controller judge the data from recognizing apparatus whether the mode of end of transmission include: 1),
Default timeout threshold: after data are transmitted, not receiving new data in timeout threshold, then determines the secondary data transmission
Terminate；2), preset termination character: recognizing apparatus sends preset termination character when completing data penetration transmission, works as access controller
When receiving the termination character, the secondary the data transfer ends are determined.
More preferably, the bar code is two dimensional code, one-dimension code, customized pattern or threedimensional model.
More preferably, the authority information includes authorization ID number, the period of entrance, authorization object name, authorization object
Other and/or authorization details.
The invention has the following beneficial effects:
1, the present invention a kind of access control system and method for the adaptive bar code based on Wiegand protocol, recognizing apparatus is known in access control system
Not Chu authorization message encrypted and be encoded into binary number after, pass through Wiegand interface and carry out data penetration transmission, it is remote to transmit
The data of random length, the different bar code of adaptive various length, meanwhile, distinctive data penetration transmission mode, which improves, cracks difficulty
Degree, data transmission are safer；
2, the present invention a kind of access control system and method for the adaptive bar code based on Wiegand protocol, bar code can be raw in client
At using more convenient；
3, the present invention a kind of access control system and method for the adaptive bar code based on Wiegand protocol, by setting timeout threshold or
Termination character, that is, can determine whether data transmission finishes, easy realization easy to operate；
4, the present invention a kind of access control system and method for the adaptive bar code based on Wiegand protocol, can be applied to various bar codes,
Have a wide range of application；
5, the present invention a kind of access control system and method for the adaptive bar code based on Wiegand protocol, wherein authority information can be covered interior
Rong Guang, and can the project that authorization message is included be changed at any time according to actual needs, compared with existing access control system, and nothing
Used Wiegand protocol need to be changed, it is not necessary to carry out secondary software exploitation.
Detailed description of the invention
Fig. 1 is a kind of frame diagram of the access control system of the adaptive bar code based on Wiegand protocol of the present invention；
Fig. 2 is a kind of flow chart of the method for the adaptive bar code based on Wiegand protocol of the present invention.
Specific embodiment
It is next in the following with reference to the drawings and specific embodiments that the present invention will be described in detail.
Embodiment one
Please refer to Fig. 1 and Fig. 2, a kind of access control system of the adaptive bar code based on Wiegand protocol, including access controller, recognition
Equipment and client；The recognizing apparatus scans bar code and is decoded, and obtains authority information, authority information is encrypted and compiled
After code is at binary number, data penetration transmission is directly carried out by Wiegand interface；The data penetration transmission refers to the data of transmission no longer
It is packaged according to the data format of Wiegand protocol, but authority information is directly sent out；The access controller receives
Data from recognizing apparatus, decoding decryption obtain authority information, and by its with the default access that is stored in access controller into
Row compares, and passes through if comparing, and carries out corresponding operating according to authority information authorization gate inhibition.The bar code is generated in client, is led to
The APP managing gate inhibition permission in client is crossed, authority information is transmitted to access controller as the default access, and according to
Authority information generates the bar code.The client includes mobile terminal and computer.
In the present embodiment, after by authority information scrambled at binary number, by Wiegand interface (when output is 0,
Data0 interface drags down a period of time, exports when being 1, then Data1 drags down a period of time.In the transmission of no data, holding+5V
High level) immediate data transparent transmission do not use the digit of any format limitation transmission data during transparent transmission, no matter in bar code
The data length for the authority information for including have how long, can normal transmission, therefore, access control system of the invention passes through Wiegand
The data capacity of interface transmission is unrestricted, the data of energy elasticity transmission different length, the different bar code of adaptive various length.
The access controller judges that the mode of the data end of transmission from recognizing apparatus includes: 1, default overtime threshold
Value: after data are transmitted, not receiving new data in timeout threshold, then determines the secondary the data transfer ends；2, pre-
If termination character: recognizing apparatus sends preset termination character when completing data penetration transmission, when access controller receives the knot
When beam character, the secondary the data transfer ends are determined.
Existing common bar code has two dimensional code, one-dimension code, and present invention can also apply to the bar codes of other forms, such as its
Its customized pattern, threedimensional model etc..The bar code can be shared or print to authorized user's (i.e. authorization object).
The authority information includes authorization ID number, the period of entrance, authorization object name, authorization object gender, gate inhibition
Number and/or authorization details.Gate inhibition's number refers to when there are multiple entrances in a community, compiles to each entrance
Number, being numbered by setting gate inhibition can authorize multiple entrances that can enter community, and an entrance can also only be authorized to enter
Community.The authority information can also include authorization details, such as open the door, and carry out voice communication, carry out video calling etc., when
When access controller decodes to obtain voice communication item, the voice call function in signal access control system can be issued, is made
Authorization object and authorized person first carry out voice communication, then determine whether to open the door.
Access control system of the invention breaks existing access control system in such a way that standard Wiegand protocol carries out data transmission, and adopts
With data penetration transmission therefore the project that authorization message is included can be changed at any time according to actual needs, it only need to be soft by managing
Part selection setting authorization project, without changing used Wiegand protocol to meet the needs of data bit, it is not necessary to carry out secondary
Software development.Meanwhile access control system of the present invention uses distinctive data transfer mode, improves and cracks difficulty, data are transmitted more
Safety.
Embodiment two
Fig. 1 and Fig. 2 are please referred to, a method of the adaptive bar code based on Wiegand protocol includes the following steps: in access control system
Recognizing apparatus scanning bar code and decoded, obtain acting executive device authority information for access control, the recognition is set
After encrypting authority information and being encoded into binary number, the binary number is carried out by the Wiegand interface of recognizing apparatus
Data penetration transmission；The data penetration transmission refers to that the data of transmission are not packaged according still further to the data format of Wiegand protocol, but will
Authority information is directly sent out；The Wiegand interface of access controller is decoded from the data of recognizing apparatus
It is compared to authority information, and by it with the default access stored in access controller, passes through if comparing, believed according to permission
Breath notifies gate inhibition to act executive device and execute corresponding operating.
The bar code is generated in client, and by the APP managing gate inhibition permission in client, authority information is transmitted to door
Prohibit controller as the default access, and the bar code is generated according to authority information.The client includes mobile terminal.
In the present embodiment, after by authority information scrambled at binary number, by Wiegand interface (when output is 0,
Data0 interface drags down a period of time, exports when being 1, then Data1 drags down a period of time.In the transmission of no data, holding+5V
High level) immediate data transparent transmission do not use the digit of any format limitation transmission data during transparent transmission, no matter in bar code
The data length for the authority information for including have how long, can normal transmission, therefore, access control system of the invention passes through Wiegand
The data capacity of interface transmission is unrestricted, the data of energy elasticity transmission different length, the different bar code of adaptive various length.
The access controller judge the data from recognizing apparatus whether the mode of end of transmission include: 1), it is default super
When threshold value: after data are transmitted, do not receive new data in timeout threshold, then determine the secondary the data transfer ends；
2), preset termination character: recognizing apparatus sends preset termination character when completing data penetration transmission, when access controller receives
When the termination character, the secondary the data transfer ends are determined.
Existing common bar code has two dimensional code, one-dimension code, and present invention can also apply to the bar codes of other forms, such as its
Its customized pattern, threedimensional model etc..The bar code can be shared or print to authorized user's (i.e. authorization object).
The authority information includes the period for authorizing ID number, entrance.Authorization object can also be added in the authority information
Name, authorization object gender etc..The authority information can also include authorization details, such as open the door, and carry out voice communication, into
Row video calling etc. can issue in signal access control system when access controller decodes to obtain voice communication item
Voice call function, make authorization object and authorized person first carry out voice communication, then determine whether to open the door.
The specific application example of this implementation is as follows:
Authority information is arranged by APP in client in step 1, user: the name of visitor, the visiting time, gate inhibition's number with
And access permission be open, such as: wangxs, 8:00-12:00,1,1, wherein first 1 for gate inhibition number, second 1 expression door
Prohibiting permission is to open in generation；
Those authority informations are sent to access controller preservation, while automatically generating bar code in APP application end by step 2, by this
Bar code is shared with visitor；
Step 3, visitor scan the bar code on the recognizing apparatus at gate inhibition, and recognizing apparatus decoding generates authority information
"wangxs,8:00-12:00,1,1"；
Step 4 encrypts authority information, for example, using RSA1024 public key encryptions, after encryption are as follows:
“IG3sNMdGiX5oKXGRJaezn0gxa+RGYHgCaEu9p4Jur6T8slmS3sRdyQYCTlUXWIcRjbCvZGSiDMF
vpb1XSxe19vDLcwvBmsB+BAHru1Bk3B1xEPgiqQSPOsMp38/UPWahoDsNCHmO+ZXyrya9Ou7tmr/
g3VfQX33jlwmuKmgBwkc=”
Step 5, the authority information encrypted are according to ASCII character translation table at binary number (high position is in preceding low level rear):
“0100 1001 0100 0111 0011 0011 0111 0011 …… 0110 1011 0110 0011 0011 1101”
Wiegand interface in step 6, recognizing apparatus carries out data penetration transmission (low level is in a preceding high position rear): " 1,001 0,010 1110
0010 1100 1100 1100 1110 …… 1101 0110 1100 0110 1011 1100"；
Step 7, the Wiegand interface data of access controller (low level is in a preceding high position rear): " 1,001 0,010 1,110 0010
1100 1100 1100 1110 …… 1101 0110 1100 0110 1011 1100"；
Step 8, received data are arranged (high position is in preceding low level rear): " 0,100 1,001 0,100 0,111 0,011 0011
0111 0011 …… 0110 1011 0110 0011 0011 1101"；
Step 9, the data received change into character string according to ASCII character conversion table: " IG3sNMdGiX5oKXGRJaezn0gxa+
RGYHgCaEu9p4Jur6T8slmS3sRdyQYCTlUXWIcRjbCvZGSiDMFvpb1XSxe19vDLcwvBmsB+
BAHru1Bk3B1xEPgiqQSPOsMp38/UPWahoDsNCHmO+ZXyrya9Ou7tmr/g3VfQX33jlwmuKmgBwkc
="；
Above-mentioned character string RSA1024 private keys of progress are decrypted to obtain data by step 10: " wangxs, 8:00-12:00,1,1 ",
It is compared with the default access stored in access controller, comparison passes through, and is numbered according to gate inhibition and controls corresponding gate inhibition
Movement executive device is acted accordingly.
Access control system of the invention breaks existing access control system in such a way that standard Wiegand protocol carries out data transmission, and adopts
With data penetration transmission therefore the project that authority information is included can be changed at any time according to actual needs, it only need to be soft by managing
Part selection setting authorization project, without changing used Wiegand protocol to meet the needs of data bit, it is not necessary to carry out secondary
Software development.Meanwhile access control system of the present invention uses distinctive data penetration transmission mode, arbitrarily long degree is transmitted in realization at a distance
According to, and improve and crack difficulty, data transmission is safer.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of access control system of the adaptive bar code based on Wiegand protocol, including access controller, recognizing apparatus and gate inhibition
Act executive device, it is characterised in that: the recognizing apparatus scans bar code and decoded, and obtains holding for access control movement
The authority information that luggage is set, after authority information is encrypted and is encoded into binary number by the recognizing apparatus, the binary number is logical
It crosses Wiegand interface and carries out data penetration transmission；The Wiegand interface of the access controller from the data of recognizing apparatus,
Decoding decryption obtains authority information, and it is compared with the default access stored in access controller, passes through if comparing,
Gate inhibition is notified to act executive device and execute corresponding operating according to authority information.
2. a kind of access control system of adaptive bar code based on Wiegand protocol according to claim 1, it is characterised in that: institute
It states bar code to generate in client, by the APP managing gate inhibition permission in client, authority information is transmitted to access controller and is made
For the default access, and the bar code is generated according to authority information.
3. a kind of access control system of adaptive bar code based on Wiegand protocol according to claim 1, it is characterised in that: institute
It states access controller and judges whether 1) mode of end of transmission includes:, presets timeout threshold the data from recognizing apparatus: working as number
After being transmitted, new data are not received in timeout threshold, then determine the secondary the data transfer ends；2), presetting terminates
Character: recognizing apparatus sends preset termination character when completing data penetration transmission, when access controller receives the termination character
When, determine the secondary the data transfer ends.
4. a kind of access control system of adaptive bar code based on Wiegand protocol according to claim 1, it is characterised in that: institute
Stating bar code is two dimensional code, one-dimension code, customized pattern or threedimensional model.
5. a kind of access control system of adaptive bar code based on Wiegand protocol according to claim 1, it is characterised in that: institute
Authority information is stated to include authorization ID number, the period of entrance, authorization object name, authorization object gender, gate inhibition's number and/or award
Weigh item.
6. a kind of method of the adaptive bar code based on Wiegand protocol, which comprises the steps of:
Recognizing apparatus in access control system scans bar code and is decoded, and obtains for access control movement executive device permission letter
Breath, after authority information encrypt and is encoded into binary number by the recognizing apparatus, the binary number pass through Wiegand interface into
Row data penetration transmission；
For the Wiegand interface of access controller from the data of recognizing apparatus, decoding decryption obtains authority information, and by its
It is compared with the default access stored in access controller, passes through if comparing, notify gate inhibition that movement is held according to authority information
Luggage sets execution corresponding operating.
7. a kind of adaptive bar code access control system based on Wiegand protocol according to claim 6, it is characterised in that: described
Bar code is generated in client, by the APP managing gate inhibition permission in client, using authority information be transmitted to access controller as
The default access, and the bar code is generated according to authority information.
8. a kind of adaptive bar code access control system based on Wiegand protocol according to claim 6, it is characterised in that: described
Access controller judges whether 1) mode of end of transmission includes:, presets timeout threshold the data from recognizing apparatus: working as data
After being transmitted, new data are not received in timeout threshold, then determine the secondary the data transfer ends；2), presetting terminates word
Symbol: recognizing apparatus sends preset termination character when completing data penetration transmission, when access controller receives the termination character,
Determine the secondary the data transfer ends.
9. a kind of adaptive bar code access control system based on Wiegand protocol according to claim 6, it is characterised in that: described
Bar code is two dimensional code, one-dimension code, customized pattern or threedimensional model.
10. a kind of adaptive bar code access control system based on Wiegand protocol according to claim 6, it is characterised in that: institute
Stating authority information includes authorization ID number, the period of entrance, authorization object name, authorization object gender and/or authorization details.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045523.0A CN109767535A (en) | 2019-01-17 | 2019-01-17 | A kind of access control system and method for the adaptive bar code based on Wiegand protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045523.0A CN109767535A (en) | 2019-01-17 | 2019-01-17 | A kind of access control system and method for the adaptive bar code based on Wiegand protocol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109767535A true CN109767535A (en) | 2019-05-17 |
Family
ID=66452980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910045523.0A Pending CN109767535A (en) | 2019-01-17 | 2019-01-17 | A kind of access control system and method for the adaptive bar code based on Wiegand protocol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109767535A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110287136A (en) * | 2019-05-29 | 2019-09-27 | 广东天波信息技术股份有限公司 | Equipment, method and the storage medium of a variety of Wiegand signal mechanism can be compatible with |
| CN110660142A (en) * | 2019-08-24 | 2020-01-07 | 苏州酷豆物联科技有限公司 | Intelligent entrance guard's equipment based on developments two-dimensional code |
| CN112820007A (en) * | 2020-12-30 | 2021-05-18 | 广东赛诺科技股份有限公司 | Method and system for distinguishing two-dimensional code and IC card signal based on Wiegand protocol |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104732614A (en) * | 2013-12-18 | 2015-06-24 | 同方锐安科技有限公司 | Access device for encrypting wiegand protocol signal and encryption and decryption method thereof |
| CN205211005U (en) * | 2015-12-21 | 2016-05-04 | 上海亘好信息技术有限公司 | Sound wave entrance guard device and system |
| CN206164523U (en) * | 2016-11-21 | 2017-05-10 | 丹阳伦图电子技术有限公司 | Vehicle business turn over system based on wireless module that passes |
| CN107170080A (en) * | 2017-05-02 | 2017-09-15 | 广州盛炬智能科技有限公司 | A kind of synchronous code encryption device and method for gate control system |
| US20180018839A1 (en) * | 2016-05-23 | 2018-01-18 | Yevgeny Levitov | Card-Compatible Biometric Access Control System |
| CN107682413A (en) * | 2017-09-19 | 2018-02-09 | 上海享泊信息科技有限公司 | Banister control method and system based on data penetration transmission |
| CN108494650A (en) * | 2018-02-07 | 2018-09-04 | 丽水博远科技有限公司 | A kind of binary signaling protocol data link layer transmission frame format |
| CN109215177A (en) * | 2017-07-03 | 2019-01-15 | 深圳市通达智科技有限公司 | access control system and access control method |
-
2019
- 2019-01-17 CN CN201910045523.0A patent/CN109767535A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104732614A (en) * | 2013-12-18 | 2015-06-24 | 同方锐安科技有限公司 | Access device for encrypting wiegand protocol signal and encryption and decryption method thereof |
| CN205211005U (en) * | 2015-12-21 | 2016-05-04 | 上海亘好信息技术有限公司 | Sound wave entrance guard device and system |
| US20180018839A1 (en) * | 2016-05-23 | 2018-01-18 | Yevgeny Levitov | Card-Compatible Biometric Access Control System |
| CN206164523U (en) * | 2016-11-21 | 2017-05-10 | 丹阳伦图电子技术有限公司 | Vehicle business turn over system based on wireless module that passes |
| CN107170080A (en) * | 2017-05-02 | 2017-09-15 | 广州盛炬智能科技有限公司 | A kind of synchronous code encryption device and method for gate control system |
| CN109215177A (en) * | 2017-07-03 | 2019-01-15 | 深圳市通达智科技有限公司 | access control system and access control method |
| CN107682413A (en) * | 2017-09-19 | 2018-02-09 | 上海享泊信息科技有限公司 | Banister control method and system based on data penetration transmission |
| CN108494650A (en) * | 2018-02-07 | 2018-09-04 | 丽水博远科技有限公司 | A kind of binary signaling protocol data link layer transmission frame format |
Non-Patent Citations (1)
| Title |
|---|
| 杜庆伟: "《物联网通信》", 30 April 2015, 北京航空航天大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110287136A (en) * | 2019-05-29 | 2019-09-27 | 广东天波信息技术股份有限公司 | Equipment, method and the storage medium of a variety of Wiegand signal mechanism can be compatible with |
| CN110660142A (en) * | 2019-08-24 | 2020-01-07 | 苏州酷豆物联科技有限公司 | Intelligent entrance guard's equipment based on developments two-dimensional code |
| CN112820007A (en) * | 2020-12-30 | 2021-05-18 | 广东赛诺科技股份有限公司 | Method and system for distinguishing two-dimensional code and IC card signal based on Wiegand protocol |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109544769A (en) | A kind of access control system and control method based on Wiegand protocol | |
| CN109767535A (en) | A kind of access control system and method for the adaptive bar code based on Wiegand protocol | |
| CN103929306B (en) | The approaches to IM of intelligent cipher key equipment and intelligent cipher key equipment | |
| US20160150411A1 (en) | Authentication system, and transmit terminal, receive terminal, and right authentication method of same | |
| CN107833317A (en) | Control of bluetooth access control system and method | |
| US4310720A (en) | Computer accessing system | |
| CN101599188B (en) | IPA security certification-based access control system | |
| CN110011993B (en) | Two-dimensional code big data safety transmission device based on developments multistage encryption and decryption | |
| US20120161933A1 (en) | Rfid security reader | |
| CN104052594A (en) | Bandwidth Efficient Method And System For Obscuring The Existence Of Encryption In A Communications Channel | |
| CN102761871A (en) | Method for preventing fake device during other party identity authentication of wireless communication devices | |
| CN108600213A (en) | The compound identity authorization system of compound identity identifying method and application this method | |
| CN106296896A (en) | A kind of gate control system based on LED visible light communication | |
| CN104219044A (en) | Key secret method for encrypting storing device | |
| CN101333892A (en) | Safety processing method of RFID system for door lock | |
| CN101859351A (en) | System and method for ensuring safe read of data stored in storage | |
| CN107945331A (en) | A kind of access control method, apparatus and system | |
| CN101702192A (en) | Method and device for outputting bar code of password | |
| CN207909222U (en) | Smart bluetooth is locked and smart bluetooth lock system | |
| CN104715242A (en) | Identity authentication system and method based on two-dimensional iris codes | |
| CN109961545A (en) | Intelligent door lock and its wireless telecommunications plaintext data encryption and decryption approaches | |
| CN104700125A (en) | AES encryption and verification of ultra high frequency radio identification system | |
| CN110826038B (en) | Data encryption and decryption method and device | |
| CN102571810A (en) | Dynamic password authentication method based on hardware digital certificate carrier and dynamic password authentication system thereof | |
| CN108780476A (en) | Method for verifying personnel identity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |