CN107221041A - A kind of Anti-dismantling OBU and its tamper management-control method - Google Patents
A kind of Anti-dismantling OBU and its tamper management-control method Download PDFInfo
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- CN107221041A CN107221041A CN201710231324.XA CN201710231324A CN107221041A CN 107221041 A CN107221041 A CN 107221041A CN 201710231324 A CN201710231324 A CN 201710231324A CN 107221041 A CN107221041 A CN 107221041A
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- obu
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
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- Computer Networks & Wireless Communication (AREA)
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- Devices For Checking Fares Or Tickets At Control Points (AREA)
Abstract
The invention discloses a kind of Anti-dismantling OBU and its tamper management-control method, belong to board units technical field.The Anti-dismantling OBU includes OBU bodies and anti-detachment mechanism, OBU bodies include OBU processors, the anti-detachment mechanism includes wireless anti-demolition electronic tags, the wireless anti-demolition electronic tags are connected with OBU processor communications, OBU processors unload mark with the label removal prevention that is stored with wireless anti-demolition electronic tags, the tag removal is designated the information that the OBU processors are arranged with wireless anti-demolition electronic tags, and the wireless anti-demolition electronic tags are installed on non-removable vehicle part.Using the Anti-dismantling OBU and tamper management-control method, the illegal transfer phenomenas of OBU that cutting front windshield global transfer means are caused can be prevented effectively from, add cost and difficulty that OBU is illegally shifted, and this method need to only be charged in ETC entrance and outlet can the identification that whether is disassembled to OBU of simple realization, the transaction flow between OBU and RSU, exchange hour and the efficiency that is open to traffic are not influenceed.
Description
Technical field
The present invention relates to board units OBU technical fields, and in particular to a kind of Anti-dismantling OBU and its tamper management-control method.
Background technology
ETC (Electronic Toll Collection) electronic toll collection is state-of-the-art in the world at present
Toll on the road and bridge's mode, by the board units OBU (as shown in fig. 1) in vehicle windscreen and in charge station ETC
The roadside unit RSU communications of erection on track, carry out backstage settlement process, so as to reach using Computer Networking and bank
It is not required to stop by toll on the road and bridge station to vehicle and the purpose of road and bridge expense can be paid.Board units OBU, which is mainly, uses 5.8GHz
Short-wave communication tedhnology, mainly solves the charge such as high speed, road, bridge or urban congestion, and OBU has information of vehicles and holder's base
This information, can be according to integrated information computational costs such as vehicle, operating ranges when high speed is charged.
Though OBU takes a car one label management when mounted, in the case of identical operating range, vehicle determines charge
How much, under the driving of economic interests, occur in that compact car label is illegally transferred to the phenomenon used on large car, management department
Door wishes to solve the problem by technological means.It is technical that Vehicles Collected from Market majority main flow label also only rests on mechanical Anti-dismantling.
Recognize from market, illegal transfer at present is main to take the means of cutting front windshield global transfer, cost is relatively low and easy behaviour
Make, so mechanical tamper is not failed, can be continuing with, therefore, it is impossible to solve the problem of label is transferred installation.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of Anti-dismantling OBU and its tamper pipe
Prosecutor method, using the OBU and management-control method, can be effectively increased cost and difficulty that OBU is illegally shifted, dismantled.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of Anti-dismantling OBU, including OBU bodies and anti-detachment mechanism, OBU bodies include OBU processors, the Anti-dismantling
Mechanism includes wireless anti-demolition electronic tags, and the wireless anti-demolition electronic tags are connected with OBU processor communications, OBU processors and
The label removal prevention that is stored with wireless anti-demolition electronic tags unloads mark, the label removal prevention unload be designated the OBU processors and
The information of wireless anti-demolition electronic tags agreement, the wireless anti-demolition electronic tags are installed on the non-disconnectable vehicle part removed of vehicle
On.
Further, a kind of Anti-dismantling OBU as described above, the anti-detachment mechanism also includes the mechanical Anti-dismounting structures of OBU.
Further, a kind of Anti-dismantling OBU as described above, the OBU is mechanical, and Anti-dismounting structure is arranged on OBU bodies.
Further, a kind of Anti-dismantling OBU as described above, the wireless anti-demolition electronic tags are frangible wireless identification tag.
Further, a kind of Anti-dismantling OBU as described above, the wireless anti-demolition electronic tags are pasted on by paste medium
On vehicle part.
Further, a kind of Anti-dismantling OBU as described above, leads between the OBU processors and wireless anti-demolition electronic tags
Cross NFC, bluetooth or WiFi technology communication connection.
A kind of Anti-dismantling OBU tamper management-control method is additionally provided in the embodiment of the present invention, is comprised the following steps：
Install at road toll porch of the vehicle in electronic toll collection ETC of the Anti-dismantling OBU, OBU
Reason device judges whether Anti-dismantling OBU is disassembled, and judgment mode is：
OBU processors are communicated with wireless anti-demolition electronic tags, and the label removal prevention for obtaining wireless anti-demolition electronic tags storage is unloaded
Mark, if label removal prevention unload mark obtains the label removal prevention that successfully and gets unload identify and OBU processors in the label that stores
Anti-dismantling mark is identical, then OBU processors judge that OBU is not disassembled, and record the status information that OBU is not disassembled, if label
The label removal prevention that Anti-dismantling mark acquisition failure or the label removal prevention got unload mark with being stored in OBU processors unloads mark not
Identical, then OBU processors judge that OBU is disassembled, and record the status information that OBU is disassembled；
The vehicle is reached at electronic toll collection ETC road toll exit, the Anti-dismantling OBU with
Roadside unit RSU communicates, and the state for the Anti-dismantling OBU that OBU processors are recorded is sent to roadside unit RSU, roadside unit
RSU carries out alignment processing according to the Anti-dismantling OBU received state.
Further, a kind of Anti-dismantling OBU tamper management-control method as described above, when the Anti-dismantling of the Anti-dismantling OBU
When mechanism also includes OBU machinery Anti-dismounting structures, methods described also includes：The OBU processors also record the OBU machineries in real time
The status information of Anti-dismounting structure；
The OBU processors judge Anti-dismantling OBU whether be disassembled including：
It is not disassembled and OBU machineries if the judged result that OBU processors communicate with wireless anti-demolition electronic tags is OBU
The status information of Anti-dismounting structure is is not disassembled, then OBU processors judge that OBU is not disassembled, and record the shape that OBU is not disassembled
State information, if the judged result that OBU processors communicate with wireless anti-demolition electronic tags is disassembled or OBU machineries for OBU
The status information of Anti-dismounting structure is is disassembled, then OBU processors judge that OBU is disassembled, and records the state letter that OBU is disassembled
Breath.
Further, a kind of Anti-dismantling OBU tamper management-control method as described above, OBU processors and wireless anti-detaching electronic
During label communication, if attempting, number of communications is equal to setting number of times and communication is failed, and OBU judges that label removal prevention unloads mark and obtained
Failure.
Further, a kind of Anti-dismantling OBU tamper management-control method as described above, the roadside unit RSU is according to reception
The state of the wireless anti-demolition electronic tags arrived carries out alignment processing, including：
If Anti-dismantling OBU status information is is not disassembled, the roadside unit RSU and Anti-dismantling OBU carries out microwave
Communication, completes drive-in toll flow；
If Anti-dismantling OBU status information is is disassembled, roadside unit RSU sends OBU and is disassembled prompt message, by pipe
Reason personnel are veritified and handled.
The beneficial effects of the present invention are：Anti-dismantling OBU and its tamper management-control method provided by the present invention, by car
It is non-disconnectable except wireless Anti-dissembling electronic label is installed on part, by between OBU processors and wireless Anti-dissembling electronic label
Radio communication, judge whether OBU is disassembled, the OBU that causes of cutting front windshield global transfer means can be prevented effectively from non-
Method transfer phenomena, adds cost and difficulty that OBU is illegally shifted, and states management-control method, only need to be in ETC charge entrances and outlet
Can the identification that whether is disassembled to OBU of simple realization, to the communication process between OBU and RSU, exchange hour and the efficiency that is open to traffic
Do not influence, realize and OBU is fast and effectively managed.
Brief description of the drawings
Fig. 1 is existing OBU mounting structure schematic diagram；
Fig. 2 is a kind of Anti-dismantling OBU structural representation in one embodiment of the present of invention；
The mounting structure schematic diagram that Fig. 3 is Anti-dismantling OBU in one embodiment of the invention；
Fig. 4 is a kind of Anti-dismantling OBU structural representation in one embodiment of the present of invention；
Fig. 5 is a kind of schematic flow sheet of Anti-dismantling OBU tamper management-control method of the invention.
Embodiment
With reference to Figure of description, the present invention is described in further detail with embodiment.
Fig. 2, which is shown, provides a kind of Anti-dismantling OBU structural representation, the Anti-dismantling in one embodiment of the present of invention
OBU includes OBU bodies 10 and anti-detachment mechanism 20, wherein, OBU bodies 10 include OBU processors 11, the anti-detachment mechanism 20
Including wireless anti-demolition electronic tags 21, the wireless anti-demolition electronic tags 21 and OBU processors 11 are communicated to connect, OBU processors
11 and wireless anti-demolition electronic tags 21 in the label removal prevention that is stored with unload mark, the label removal prevention, which is unloaded, to be designated at the OBU
The information that device is arranged with wireless anti-demolition electronic tags is managed, the wireless anti-demolition electronic tags 21 are installed on the non-removable of vehicle
On vehicle part.
Anti-dismantling OBU shown in the present embodiment Fig. 2, there is provided wireless anti-demolition electronic tags 21, due to being stored in label
Label removal prevention unload and be designated information that OBU processors and wireless anti-demolition electronic tags arrange (specifically using which kind of information conduct
Label removal prevention unloads mark can be self-defined according to actual needs), therefore in each Anti-dismantling OBU and its wireless anti-demolition electronic tags
The label removal prevention of storage unload mark be matching, be it is one-to-one, therefore, OBU processors 11 can by with wireless tamper
Electronic tag 21 is communicated, and is obtained the label removal prevention stored in label and is unloaded mark, passes through the mark for judging to obtain and its storage
Label removal prevention unload identify whether it is consistent carry out the judgement whether OBU was disassembled, if OBU can be with wireless anti-detaching electronic mark
Label 21 are communicated successfully, and the label removal prevention stored in the wireless anti-demolition electronic tags 21 got is unloaded to be deposited in mark and OBU processors
The mark of storage is consistent, you can judge that OBU is not disassembled, unloads mark failure, whereas if OBU obtains the label removal prevention or obtains
To the mark that stores with it of mark it is inconsistent, then judge that OBU is disassembled.
Anti-dismantling OBU described in the present embodiment, because wireless anti-demolition electronic tags 21 are installed on the non-removable of vehicle
On vehicle part, for example, being installed on the part that automobile A column or other grades should not generally be dismantled, cut, as shown in Figure 3, OBU
Body part is installed on the front end windshield of vehicle, OBU wireless anti-demolition electronic tags (wireless portion shown in figure)
The a certain position of vehicle A posts can be installed on, as illustrated in the drawing position 1 or position 2 or other positions.Using this
Scheme, even if the part of OBU bodies 10 is by global transfer, and wirelessly anti-demolition electronic tags 21 are due to that can not shift, now OBU processing
Device 11 and the wireless communication failure of anti-demolition electronic tags 21, it is impossible to obtain the label removal prevention matched and unload mark, also judge that OBU is split
(illegal transfer is considered as being disassembled in the present embodiment) is unloaded, is integrally turned so as to avoid OBU and be used cutting front windshield
The means of shifting are illegally shifted.
Wherein, the wireless communication frequency band between the OBU processors 11 and wireless anti-demolition electronic tags 21 can be according to reality
Border use demand is selected, and communication mode includes but is not limited to NFC, bluetooth or WIFI etc..
In order to be further ensured that OBU is not shifted illegally, in actual applications, the wireless anti-demolition electronic tags 21 are preferred
For frangible wireless identification tag, wireless anti-demolition electronic tags can be pasted on vehicle part by paste medium, so that without rationing the power supply
Subtab is not transferable or dismantles, and improves the overall transfers of OBU or dismounting difficulty.
In one embodiment of the invention, the anti-detachment mechanism 20 also includes the mechanical Anti-dismounting structures 22 of OBU, such as Fig. 4
It is shown.It is combined by the mechanical Anti-dismounting structures 22 of OBU with wireless anti-demolition electronic tags 21, preferably ensure that OBU is not illegal
Dismounting.
In present embodiment, OBU machinery Anti-dismounting structures 22 are implemented as prior art, are generally adopted by fine motion and open
Shutdown tool tamper.Wherein, setting of the mechanical Anti-dismounting structures 22 of OBU in Anti-dismantling OBU is by the actual specific tamper knot used
Structure determines that in actual applications, the OBU is mechanical, and Anti-dismounting structure 22 is preferably provided on OBU bodies 10, i.e., be with OBU bodies
Integral structure.
It should be noted that, the OBU bodies 10 are in addition to including OBU processors (main control unit) 11, in addition to for OBU
The parts such as the microwave communication module and necessary memory cell that are communicated with roadside unit RSU, this is for those skilled in the art
For be clear.
Based on the Anti-dismantling OBU provided in above-described embodiment, a kind of Anti-dismantling is additionally provided in the embodiment of the present invention
OBU tamper management-control method, as shown in figure 5, the main of this method may comprise steps of：
Step S1：In ETC road toll porch, OBU processors communicate with wireless anti-demolition electronic tags, judge tamper
Unload whether OBU is disassembled, and record Anti-dismantling OBU status information；
Vehicle for installing the Anti-dismantling OBU, road toll entrance of the vehicle in electronic toll collection ETC
During place, Anti-dismantling OBU OBU processors judge whether Anti-dismantling OBU is disassembled.Whether the OBU is disassembled including the vehicle
OBU whether be disassembled the OBU that is either installed on car whether be the car OBU, if the OBU of the vehicle was disassembled
OBU either on the car is the OBU on other vehicles, is regarded as OBU and is disassembled.Wherein, OBU is by being charged with ETC
Whether communication and data interaction between the roadside unit RSU of system judge the vehicle in charge porch or charge exit.
In one embodiment of the invention, OBU processors judge a kind of judgment mode whether Anti-dismantling OBU was disassembled
For：
OBU processors are communicated with wireless anti-demolition electronic tags, and the label removal prevention for obtaining wireless anti-demolition electronic tags storage is unloaded
Mark, if label removal prevention unload mark obtains the label removal prevention that successfully and gets unload identify and OBU processors in the label that stores
Anti-dismantling mark is identical, then OBU processors record OBU is not disassembled, if wireless anti-demolition electronic tags obtain failure or got
Label removal prevention unload label removal prevention of the mark with being stored in OBU processors and unload mark and differ, then OBU records OBU is disassembled.
Wherein, OBU processors communicate with wireless anti-demolition electronic tags and refer to OBU processors and wireless anti-demolition electronic tags
Communication connection is set up, if setting up failure, OBU processors and wireless anti-demolition electronic tags communication failure, it is impossible to get mark
Anti-dismantling mark is signed, OBU processors judge that OBU is disassembled.
In actual applications, OBU processors can also be set to set up the number of times of communication connection with wireless anti-demolition electronic tags,
OBU processors and wireless anti-demolition electronic tags are put to set up when communicate, if attempt number of communications be equal to setting number of times and communication not into
Work(, then OBU judge label removal prevention unload mark obtain failure.
Step S2：In ETC road toll exit, Anti-dismantling OBU communicates with roadside unit RSU, OBU processors by its
The Anti-dismantling OBU of record status information is sent to roadside unit RSU；
Step S3：Roadside unit RSU carries out alignment processing according to the Anti-dismantling OBU received status information.
The vehicle is reached at electronic toll collection ETC road toll exit, the Anti-dismantling OBU with
Roadside unit RSU communicates, and the state for the Anti-dismantling OBU that OBU processors are recorded is sent to roadside unit RSU, roadside unit
RSU carries out alignment processing according to the Anti-dismantling OBU received state.
Wherein, the roadside unit RSU carries out alignment processing, bag according to the state of the wireless anti-demolition electronic tags received
Include：
If Anti-dismantling OBU status information is is not disassembled, the roadside unit RSU and Anti-dismantling OBU carries out microwave and led to
Letter, completes drive-in toll flow；
If Anti-dismantling OBU status information is is disassembled, roadside unit RSU sends OBU and is disassembled prompt message, by managing
Personnel are veritified and handled.
In one embodiment of the invention, when the anti-detachment mechanism of the Anti-dismantling OBU also includes the mechanical tamper knots of OBU
During structure, methods described also includes：The OBU processors also record the status information of the mechanical Anti-dismounting structures of the OBU in real time；This
When, OBU processors, which judge whether Anti-dismantling OBU is disassembled, also to be included：
It is not disassembled and the OBU if the judged result that OBU processors communicate with the wireless anti-demolition electronic tags is OBU
The status information of mechanical Anti-dismounting structure is is not disassembled, then OBU processors record OBU is not disassembled, if if OBU processors and institute
State the communication of wireless anti-demolition electronic tags judged result be disassembled for OBU or the mechanical Anti-dismounting structures of the OBU status information
To be disassembled, then OBU processors record OBU is disassembled.
As long as i.e. wireless Anti-dissembling electronic label with have in machinery Anti-dismounting structure one to and be judged as being disassembled, then judge
OBU is disassembled.Realized and judged twice by wireless Anti-dismantling label and mechanical Anti-dismounting structure, add that OBU illegally shifts into
Sheet and difficulty.
Anti-dismantling OBU tamper management-control methods of the present invention, its implementation process is by OBU processors and wireless tamper electricity
Subtab carries out automated wireless pairing i.e. communication and judges whether OBU is disassembled, and the pairing deterministic process can charge into oral sex
Carried out when being readily accomplished, while progress can also be carried out in transaction, i.e., do not influence the high speed normal pass time, OBU can be found again
Whether be disassembled, if pairing (OBU processors obtain label removal prevention unload mark and with OBU processors store mark it is identical) into
Work((if mechanical Anti-dismounting structure, then successful matching and mechanical tamper is not failed), that is, regard as OBU and do not dismantle, charging out
During mouth, OBU replys normal VST (vehicle service table) information that OBU is not dismantled to RSU, can normally deduct fees, if pairing is lost
Lose, no matter whether mechanical tamper fails, in charge outlet, OBU replys the VST information being disassembled to RSU, is entered by administrative staff
Row confirms and handled.The management and control flow only occur in charge into, outlet section, i.e., do not influence existing transaction flow, time, and energy
The purpose of dismounting identification is realized, and is independently judged every time, even if wireless pairing failure once in a while, nor affects on and use next time
Judge.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technology
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of Anti-dismantling OBU, including OBU bodies (10) and anti-detachment mechanism (20), OBU bodies (10) include OBU processors
(11), it is characterised in that：The anti-detachment mechanism (20) includes wireless anti-demolition electronic tags (21), the wireless anti-detaching electronic mark
Sign (21) to communicate to connect with OBU processors (11), OBU processors (11) and the mark that is stored with wireless anti-demolition electronic tags (21)
Anti-dismantling mark is signed, the label removal prevention, which is unloaded, is designated the OBU processors (11) and wireless anti-demolition electronic tags (21) agreement
Information, the wireless anti-demolition electronic tags (21) are installed on the non-disconnectable vehicle part removed of vehicle.
2. a kind of Anti-dismantling OBU according to claim 1, it is characterised in that：The anti-detachment mechanism (20) also includes OBU
Mechanical Anti-dismounting structure (22).
3. a kind of Anti-dismantling OBU according to claim 2, it is characterised in that：The OBU is mechanical, and Anti-dismounting structure (22) is set
On OBU bodies (11).
4. a kind of Anti-dismantling OBU according to one of claims 1 to 3, it is characterised in that：The wireless anti-demolition electronic tags
(21) it is frangible wireless identification tag.
5. a kind of Anti-dismantling OBU according to one of claims 1 to 3, it is characterised in that：The wireless anti-demolition electronic tags
(21) it is pasted on by paste medium on vehicle part.
6. a kind of Anti-dismantling OBU according to one of claims 1 to 3, it is characterised in that：The OBU processors (11) with
Communicated to connect between wireless anti-demolition electronic tags (21) by NFC, bluetooth or WiFi technology.
7. the tamper management-control method of Anti-dismantling OBU based on the Anti-dismantling OBU described in claim 1 a kind of, comprises the following steps：
Road toll porch of the vehicle in electronic toll collection ETC of the Anti-dismantling OBU, OBU processors are installed
Judge whether Anti-dismantling OBU is disassembled, judgment mode is：
OBU processors communicate with wireless anti-demolition electronic tags, and the label removal prevention for obtaining wireless anti-demolition electronic tags storage unloads mark,
Obtains the label removal prevention that successfully and gets if label removal prevention unloads mark and unload the label removal prevention identified with being stored in OBU processors and unload
Mark is identical, then OBU processors judge that OBU is not disassembled, and record the status information that OBU is not disassembled, if label removal prevention is unloaded
Mark obtains failure or the label removal prevention that gets unloads label removal prevention of the mark with being stored in OBU processors and unloads mark and differs,
Then OBU processors judge that OBU is disassembled, and record the status information that OBU is disassembled；
The vehicle is reached at electronic toll collection ETC road toll exit, the Anti-dismantling OBU and trackside
Unit R SU communicates, and the state for the Anti-dismantling OBU that OBU processors are recorded is sent to roadside unit RSU, roadside unit RSU roots
Alignment processing is carried out according to the Anti-dismantling OBU received state.
8. a kind of Anti-dismantling OBU according to claim 7 tamper management-control method, it is characterised in that：When the Anti-dismantling
When OBU anti-detachment mechanism also includes OBU machinery Anti-dismounting structures, methods described also includes：The OBU processors are also recorded in real time
The status information of the mechanical Anti-dismounting structures of the OBU；
The OBU processors judge Anti-dismantling OBU whether be disassembled including：
It is not disassembled and the mechanical tampers of the OBU if the judged result that OBU processors communicate with wireless anti-demolition electronic tags is OBU
The status information of structure is is not disassembled, then OBU processors judge that OBU is not disassembled, and records the state letter that OBU is not disassembled
Breath, if the judged result that OBU processors communicate with wireless anti-demolition electronic tags is disassembled or the mechanical tampers of the OBU for OBU
The status information of structure is is disassembled, then OBU processors judge that OBU is disassembled, and record the status information that OBU is disassembled.
9. the tamper management-control method of Anti-dismantling OBU according to claim 7 or 8 a kind of, it is characterised in that：OBU processors
When being communicated with wireless anti-demolition electronic tags, if attempting, number of communications is equal to setting number of times and communication is failed, and OBU judges label
Anti-dismantling mark obtains failure.
10. the tamper management-control method of Anti-dismantling OBU according to claim 7 or 8 a kind of, it is characterised in that：The trackside
Unit R SU carries out alignment processing according to the state of the wireless anti-demolition electronic tags received, including：
If Anti-dismantling OBU status information is is not disassembled, the roadside unit RSU and Anti-dismantling OBU carries out microwave communication,
Complete drive-in toll flow；
If Anti-dismantling OBU status information is is disassembled, roadside unit RSU sends OBU and is disassembled prompt message, by custodian
Member is veritified and handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710231324.XA CN107221041A (en) | 2017-04-11 | 2017-04-11 | A kind of Anti-dismantling OBU and its tamper management-control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710231324.XA CN107221041A (en) | 2017-04-11 | 2017-04-11 | A kind of Anti-dismantling OBU and its tamper management-control method |
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| CN110764952A (en) * | 2019-09-30 | 2020-02-07 | 深圳市金溢科技股份有限公司 | Readable storage medium, front-mounted ETC electronic tag and anti-dismounting method thereof |
| CN110794756A (en) * | 2018-08-01 | 2020-02-14 | 上海汽车集团股份有限公司 | Vehicle-mounted terminal, and monitoring method, device and system of vehicle-mounted terminal |
| CN111222602A (en) * | 2019-12-31 | 2020-06-02 | 航天信息股份有限公司 | Method and system for carrying out secure communication with vehicle-mounted unit |
| CN114548346A (en) * | 2022-02-14 | 2022-05-27 | 山东高速信联科技股份有限公司 | Anti-dismantling device and anti-dismantling method for ETC electronic tag |
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| CN109829992B (en) * | 2019-01-17 | 2021-04-06 | 广州纯元科技有限公司 | ETC device with anti-disassembly function and high stability |
| CN110764952A (en) * | 2019-09-30 | 2020-02-07 | 深圳市金溢科技股份有限公司 | Readable storage medium, front-mounted ETC electronic tag and anti-dismounting method thereof |
| CN111222602A (en) * | 2019-12-31 | 2020-06-02 | 航天信息股份有限公司 | Method and system for carrying out secure communication with vehicle-mounted unit |
| CN111222602B (en) * | 2019-12-31 | 2023-10-13 | 航天信息股份有限公司 | Method and system for carrying out secure communication with vehicle-mounted unit |
| CN114548346A (en) * | 2022-02-14 | 2022-05-27 | 山东高速信联科技股份有限公司 | Anti-dismantling device and anti-dismantling method for ETC electronic tag |
| CN114548346B (en) * | 2022-02-14 | 2023-10-03 | 山东高速信联科技股份有限公司 | Anti-disassembly device and anti-disassembly method of ETC electronic tag |
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Application publication date: 20170929 |