CN106710214A - Natural traffic flow-based expressway vehicle behavior acquisition device and method - Google Patents
Natural traffic flow-based expressway vehicle behavior acquisition device and method Download PDFInfo
- Publication number
- CN106710214A CN106710214A CN201710035065.3A CN201710035065A CN106710214A CN 106710214 A CN106710214 A CN 106710214A CN 201710035065 A CN201710035065 A CN 201710035065A CN 106710214 A CN106710214 A CN 106710214A
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- vehicle
- harvester
- unit
- highway
- nature
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
Abstract
The present invention relates to a natural traffic flow-based expressway vehicle behavior acquisition device and method. The acquisition device comprises a shell and a main control module arranged in the shell; the shell is provided with a card groove for accommodating an expressway toll station charging card; and the main control module comprises a control unit as well as a vehicle behavior data acquisition unit, a first wireless communication unit and a power supply unit which are all connected with the control unit, wherein the vehicle behavior data acquisition unit acquires vehicle behavior data including real-time positions, velocities and tri-axial accelerated velocities of vehicles, the control unit stores the real-time positions, velocities, tri-axial accelerated velocities of the vehicles and corresponding acquisition time, the control unit transmits data to the outside or receives remote control commands through the first wireless communication unit, and the power supply unit provides a working power source for other units. Compared with the prior art, the natural traffic flow-based expressway vehicle behavior acquisition device and method of the invention can transform social vehicles into test vehicles intangibly and obtain comprehensive, real and objective vehicle behavior data.
Description
Technical field
The present invention relates to traffic information collection field, more particularly, to a kind of vehicle on highway row based on nature wagon flow
It is harvester and method.
Background technology
Naturally it refers in its natural state (i.e. noiseless, occur without experimenter, under drive routine state) to drive research
Using High Precise Data Acquisition System observation, the research of the record true driving procedure of driver.Can be most true because driving naturally
The driving behavior and vehicle behavior of driver are collected in fact, and natural drive manner is in fields such as traffic safety, automobiles using very
It is many.Traditional natural test-drive in instruction carriage, it is necessary to install the devices such as substantial amounts of sensor, installment work is complicated, and this determines
Determine that nature driving can only be carried out using the instruction carriage of small number.By these abundant sensors, each can be gathered and driven
The person of sailing and each very comprehensive behavior of instruction carriage, but driver and Che due to participating in are very limited, these numbers of collection
According to a sample data set simply on road in driving vehicle total collection in fact, if representative is worth discussion.
Naturally it is that each car in society is all instruction carriage, and testing equipment is not to drive the optimal situation of research
Driving to driver produces interference, in this case, most true comprehensively data can be collected, here it is being based on nature wagon flow
Carry out the basic thought of data acquisition.Known by analysis above, the very big factor that influence nature drives participation is
Data acquisition device is excessively complicated, in order to reach the perfect condition of nature driving as far as possible, i.e., based on nature wagon flow, it is necessary first to
Accomplish the portability of testing equipment, reduce and complexity is installed, be even not required to install；Secondly, testing equipment is solved in social car
Granting with reclaim.In the epoch of nowadays this information-based, big data, field of traffic is badly in need of a kind of number based on nature wagon flow
According to acquisition method and device, this patent exactly in this context, for highway field, is proposed a kind of based on nature car
The vehicle behavioral data harvester and method of stream, obtain comprehensively true and objective vehicle behavioral data.
The content of the invention
The purpose of the present invention is exactly to provide a kind of based on nature wagon flow for the defect for overcoming above-mentioned prior art to exist
Vehicle on highway behavior harvester and method, public vehicles can be virtually transformed into test vehicle, obtain comprehensive
It is true and objectively, the vehicle behavioral data of natural wagon flow, solve traditional natural and drive that participation is small, data are representative not enough
Problem.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of vehicle on highway behavior harvester based on nature wagon flow, the harvester includes housing and is located at
Main control module in housing, the housing is provided with the draw-in groove for placing freeway toll station fare card, the master control mould
Block includes：Control unit and respectively the connection vehicle behavioral data collecting unit of control unit, the first wireless communication unit and
The real time position of power supply unit, vehicle behavioral data collecting unit collection vehicle behavioral data, including vehicle, speed and three axles add
Speed, control unit stores the real time position of vehicle, speed, 3-axis acceleration together with correspondence acquisition time, and control is single
Unit outwards transmits data or receives remote control command by the first wireless communication unit, and power supply unit provides work for other units
Make power supply.
Semicircular indentations are provided with the opening of the draw-in groove.
The wireless communication unit is also wirelessly connected with intelligent mobile terminal, and the intelligent mobile terminal includes that second is wireless
Communication module and the real-time display module of data and historical data management module of the second wireless communication module are connected respectively, second
Wireless communication module and the first wireless communication unit wireless connection, the real-time display module of data are used to read vehicle in running
In real time position, speed, 3-axis acceleration and corresponding time, and 3-axis acceleration is shown by broken line graph, lead to
Cross map to show real time position, historical data management module is used to read historical data note of the storage in control unit
Record and show, and to operation that the specific data record in control unit is derived and deleted.
The housing is provided with ＆ off switch and charging inlet, and said supply unit connects control unit, institute by ＆ off switch
State charging inlet and power supply unit is connected by charging circuit.
Described control unit includes single-chip microcomputer and memory, and the vehicle behavioral data collecting unit includes GPS locator
And 3-axis acceleration sensor, the single-chip microcomputer connects memory, GPS locator, 3-axis acceleration sensor, the first nothing respectively
Line communication unit and power supply unit.
The model STM32F103RCT6 of the single-chip microcomputer, the model UBLOX-6M of the GPS locator, described three
The model MPU-6050 of axle acceleration sensor.
The housing is shaped as cuboid, and the cross section of housing matches with the size of fare card.
First wireless communication unit uses Bluetooth chip.
The model HC-05 of the Bluetooth chip.
It is a kind of to realize the vehicle on highway behavior acquisition method based on nature wagon flow using such as above-mentioned harvester, including
Following steps：
In specified expressway access charge station, fare card is inserted the draw-in groove of harvester, open harvester, will counted
Expense card and harvester are issued to vehicle together；
Harvester is with variable frequency Real-time Collection vehicle vehicle behavioral data in the process of moving；
In specified expressway exit charge station, fare card and harvester are together reclaimed, and fare card is taken out from draw-in groove
And close harvester, fare card and the equal cycling and reutilization of harvester.
Compared with prior art, the present invention has advantages below：
1st, harvester of the present invention devises the draw-in groove that can deposit highway charging card, and combines China's highway body
Present situation processed, realizes that the granting of device and recovery are mutually tied with the granting of freeway toll station fare card by harvester with recovery
Close, can realize being carried out based on nature wagon flow the collection of vehicle on highway behavioral data by such method, by social car
Test vehicle is virtually transformed into, comprehensively true and objective vehicle behavioral data is obtained, traditional natural is solved and is driven ginseng
It is small with spending, the representative inadequate problem of data.
2nd, the present invention be based on existing Intelligent hardware and sensor technology, devise it is a kind of it is portable, for collection vehicle
The harvester of behavioral data, has taken into full account the key index of prior art and reflection vehicle behavior, by sensor integration,
Accomplished as far as possible simplify device, it is portable, be not required to install；Abundant vehicle behavioral data is gathered as far as possible；Reduce into as far as possible
This, is used with large area, allows more drivers and vehicle to participate in.Based on These characteristics, harvester of the present invention can be used extensively
Worked in the basic data acquisition of different research fields.
3rd, the present invention has fully taken into account China's highway system present situation, makees there is above-mentioned Portable Data Acquisition Device
On the basis of hardware support, a kind of acquisition method is proposed, the method utilizes freeway toll station real-time performance data acquisition
Device is provided and reclaimed, and is solved limitation traditional natural and is driven two inadequate subject matters of participation：Device complexity and device
Granting reclaim difficult.
4th, the present invention develops portable vehicle behavioral data harvester based on stm32, and the device can be with any appearance
State is placed onboard, after plant running, can be with the GPS geographical position of variable frequency collection vehicle, and when recording the position
The 3-axis acceleration of vehicle and the time of the position, and data are write one by one device the large-capacity memory card expanded work as
In, facilitate the data management in later stage.
5th, the present invention goes back Aided design intelligent mobile terminal, it is possible to achieve quick connection and management with harvester are adopted
The data stored on acquisition means, it is more convenient to operate, and function is more powerful.
6th, the present invention is directed to harvester structure design housing, and the housing small volume, internal structure is compact, and housing is in length
Cube, signal transmission is not influenceed and is hardly damaged, and housing can provide safeguard protection work to the governor circuit being placed in housing
With on ＆ off switch is set on housing can be with the switching on and shutting down of control device, and setting standard charging interface can charge to device, set meter
Taking the draw-in groove of card can coordinate the granting of freeway toll station fare card and recovery to realize the granting of device and reclaim, and realize base
The collection of vehicle on highway behavior is carried out in natural wagon flow.
7th, the frequency that harvester of the present invention gathers above-mentioned data is that dynamic is adjustable, increased the utilization model of harvester
Enclose and obtain the validity of data.
Brief description of the drawings
Fig. 1 is the schematic diagram of the inventive method；
Fig. 2 is apparatus of the present invention structural representation；
Fig. 3 is the control unit circuit diagram of apparatus of the present invention；
Fig. 4 is the GPS locator circuit diagram of apparatus of the present invention；
Fig. 5 is the 3-axis acceleration sensor circuit diagram of apparatus of the present invention；
Fig. 6 is the Bluetooth chip circuit diagram of apparatus of the present invention；
Fig. 7 is the shell structure schematic diagram of apparatus of the present invention.
In figure：1st, single-chip microcomputer, 2, memory, 3, GPS locator, 4,3-axis acceleration sensor, 5, power supply unit, 6, blue
Tooth chip, the 7, second wireless communication module, 8, the real-time display module of data, 9, historical data management module, 10, housing, 11, card
Groove.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed implementation method and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
As shown in Fig. 2 a kind of vehicle on highway behavior harvester based on nature wagon flow, the harvester includes shell
Body 10 and the main control module in housing 10, housing 10 are provided with the draw-in groove for placing freeway toll station fare card
11, main control module includes：Control unit and respectively vehicle behavioral data collecting unit, first channel radio of connection control unit
Real time position, the speed of letter unit and power supply unit 5, vehicle behavioral data collecting unit collection vehicle behavioral data, including vehicle
Degree and 3-axis acceleration, control unit deposit the real time position of vehicle, speed, 3-axis acceleration together with correspondence acquisition time
Storage, control unit outwards transmits data or receives remote control command by the first wireless communication unit, and power supply unit 5 is other
Unit provides working power.
Control unit includes single-chip microcomputer 1 and memory 2, and vehicle behavioral data collecting unit includes the axle of GPS locator 3 and three
Acceleration transducer 4, single-chip microcomputer 1 connects memory 2, GPS locator 3,3-axis acceleration sensor 4, the first channel radio respectively
Letter unit and power supply unit 5.Single-chip microcomputer 1 is processed data, the storage object needed for being formed, and storage is worked as in memory 2
In, while producing corresponding control instruction signal, GPS locator 3 can obtain speed, geographical position and the time letter of vehicle
Breath, 3-axis acceleration sensor 4 can obtain vehicle three acceleration informations in direction in the process of running.Harvester is started shooting
After operation, start collection vehicle GPS location, to should the speed of position, 3-axis acceleration and temporal information, in order to increase dress
The operation strategies put and the validity for obtaining data, the frequency that device gathers above-mentioned data is that dynamic is adjustable；Harvester exists
Newly-built data text during start, the data that this life cycle is obtained are stored in the middle of the newly-built text, and data
In there is the mass storage expanded 2 of device.
The model STM32F103RCT6 of single-chip microcomputer 1, the model UBLOX-6M of GPS locator 3,3-axis acceleration are passed
The model MPU-6050 of sensor 4.First wireless communication unit uses Bluetooth chip 6, and the model HC-05 of Bluetooth chip 6 is real
Now between hand-held mobile terminal etc. data quick transmission.Power supply unit 5 uses lithium battery or dc source.Control unit,
The specific connection circuit of GPS locator 3,3-axis acceleration sensor 4 and Bluetooth chip 6 as seen in figures 3-6 so that realize collection
Device low-power consumption, the operation of stabilization.
As shown in fig. 7, housing 10 is made of plastic material, signal transmission is not influenceed and is hardly damaged, the shape of housing 10
Shape is cuboid, and a safeguard protection is provided to governor circuit, and the cross section of housing 10 matches with the size of fare card.Housing
10 are made up of upper and lower two parts, and an entirety is combined into by buckle, and housing 10 is increased with round and smooth treatment by chamfer design
Aesthetic feeling.Draw-in groove 11 is arranged on the top of housing 10 along the cross section of housing 10, the side for being opened in housing 10 of draw-in groove 11,
Draw-in groove 11 is designed according to the standard size of highway charging card, a fare card can be just deposited, at the opening of draw-in groove 11
Semicircular indentations are provided with, facilitate being inserted and removed from for fare card.On ＆ off switch and charging inlet are also reserved with the side of housing 10,
Power supply unit 5 connects control unit by ＆ off switch, and charging inlet connects power supply unit 5 by charging circuit, by operating shell
The switch of on ＆ off switch and then the operation power supply circuit of single-chip microcomputer 1 on body 10, realizes the start and shutdown, charging inlet of harvester
It is the MicroUSB interfaces of standard, can be charged to device by data wire.
The paint that plastic casing 10 can spray different colours is distinguish between to different devices, after the so treatment of housing 10,
The device of different colours can be provided according to different vehicle when device is provided, so as to realize the grouped data of different automobile types
Obtain.
Wireless communication unit is also wirelessly connected with intelligent mobile terminal, and intelligent mobile terminal includes the second wireless communication module
7 and the real-time display module 8 of data and historical data management module 9 of the second wireless communication module 7 are connected respectively, second is wireless
The wireless communication unit wireless connection of communication module 7 and first, the real-time display module 8 of data is used to read vehicle in the process of running
Real time position, speed, 3-axis acceleration and corresponding time, and 3-axis acceleration is shown by broken line graph, pass through
Real time position is shown map historical data management module 9 is used to read historical data note of the storage in control unit
Record and show, and to operation that the specific data record in control unit is derived and deleted.
The APP based on Android system is developed in the present embodiment on intelligent mobile terminal, the APP bluetooth serial ports agreements with
The Bluetooth chip 6 of harvester is communicated, and realizes that information is exchanged, and is realized the convenient real time inspection current data on APP, is derived
Data are to mobile terminal and the purpose of deleting history data.When using, user opens APP, carries out bluetooth connection initialization, obtains
Take by the data message of Bluetooth transmission, relevant information is shown after carrying out data message parsing, be finally reached information of realizing and exchange.
In " current state " interface of APP, the 3-axis acceleration data that present apparatus are measured are shown by 3-axis acceleration broken line graph,
By the real time position of map denotation present apparatus, and show the time of current record；In " historical data " interface of APP,
The historical data that APP reading devices can be deposited on expansion type storage card, in the form of a list slitting is listed, and clicks certain historical data
The record can be checked, length can derive by the historical data, store this recorded mobile terminal or delete the record.
As shown in figure 1, a kind of realize that the vehicle on highway behavior based on nature wagon flow is adopted using such as above-mentioned harvester
Diversity method, realizes the granting of device and reclaims to realize by the granting and recovery of freeway toll station fare card, including with
Lower step：
1) corresponding height highway-entrance/outlet charge station is specified.
2) in specified expressway access charge station, fare card is inserted the draw-in groove 11 of harvester, opens harvester,
Fare card and harvester are issued to vehicle together, according to predetermined device color and vehicle matched rule during granting, according to
The different automobile types of Stop for Ticket provide the device of different colours.
3) harvester is with variable frequency Real-time Collection vehicle vehicle behavioral data in the process of moving；
Harvester operating voltage is 5V, and GPS locator 3, the collection vehicle of 3-axis acceleration sensor 4 exist in harvester
Real-time longitude and latitude, speed, 3-axis acceleration and time data in running, the cycle initial value of collection is 2s, can basis
It is actually needed and is debugged, changes the sampling period.Harvester is started shooting newly-built one and is recorded every time, is stored from the time to shutdown
The vehicle behavioral data collected in whole process.
4) in specified expressway exit charge station, the recovery of harvester is also just completed while reclaiming fare card,
Fare card is taken out from draw-in groove 11 and closed harvester, fare card and the equal cycling and reutilization of harvester.
5) it is connected with intelligent mobile terminal by bluetooth, the data that can be gathered with real time inspection device check harvester
The historical record of storage, and derive or deleting history record.
In actual application, first according to project needs, enough harvesters are processed.If it is necessary, can be by
Color of shell is processed into different colors, and specifies vehicle and color corresponding relation, such as red correspondence motorbus, white are right
Answer minibus, black correspondence or wait.According to the distribution situation of freeway toll station, it is determined that the high speed of data acquisition to be carried out
Highway section and harvester provide entrance charge station (can have multiple) and harvester reclaims outlet charge station and (can have many
It is individual).In specified charge station's entrance, because harvester GPS carries out needing preheating before data acquisition 2~3 minutes, can be in advance
Harvester is started shooting；Charge station's fare card is inserted into harvester fare card draw-in groove 11；During Stop for Ticket, by harvester with
Fare card is together issued to public vehicles, if necessary to distinguish vehicle, it should vehicle and color corresponding relation according to agreement, will
The harvester of different colours is issued to the public vehicles of correspondence vehicle, and does necessary explanation to public vehicles car owner and carry
Wake up.Exported in specified charge station, when reclaiming fare card, harvester reclaimed in the lump, and close harvester power switch,
Complete the granting of this harvester and reclaim.If it is necessary, the harvester that will can have been reclaimed is transported back to have specified and checked and accepted
Take station, carry out next round data acquisition, so improve the utilization rate of harvester.
Claims (10)
1. a kind of vehicle on highway behavior harvester based on nature wagon flow, it is characterised in that the harvester includes shell
Body (10) and the main control module in housing (10), the housing (10) are provided with based on placing freeway toll station
Take the draw-in groove (11) of card, the main control module includes：Control unit and respectively connection control unit vehicle behavioral data adopt
Collection unit, the first wireless communication unit and power supply unit (5), vehicle behavioral data collecting unit collection vehicle behavioral data, bag
Real time position, speed and the 3-axis acceleration of vehicle are included, control unit connects the real time position of vehicle, speed, 3-axis acceleration
Stored together with correspondence acquisition time, control unit outwards transmits data or receives remote control by the first wireless communication unit
Order, power supply unit (5) provides working power for other units.
2. a kind of vehicle on highway behavior harvester based on nature wagon flow according to claim 1, its feature exists
In being provided with semicircular indentations at the opening of the draw-in groove (11).
3. a kind of vehicle on highway behavior harvester based on nature wagon flow according to claim 1, its feature exists
In the wireless communication unit is also wirelessly connected with intelligent mobile terminal, and the intelligent mobile terminal includes the second radio communication
Module (7) and the real-time display module of the data (8) and historical data management module of the second wireless communication module (7) are connected respectively
(9), the second wireless communication module (7) and the first wireless communication unit wireless connection, the real-time display module of data (8) are for reading
Vehicle real time position in the process of running, speed, 3-axis acceleration and corresponding time, and accelerated three axles by broken line graph
Degree shows, shows real time position by map that historical data management module (9) is single in control for reading storage
Historgraphic data recording in unit simultaneously shows, and to operation that the specific data record in control unit is derived and deleted.
4. a kind of vehicle on highway behavior harvester based on nature wagon flow according to claim 1, its feature exists
In, the housing (10) is provided with ＆ off switch and charging inlet, and said supply unit (5) connects control unit by ＆ off switch,
The charging inlet connects power supply unit (5) by charging circuit.
5. a kind of vehicle on highway behavior harvester based on nature wagon flow according to claim 1, its feature exists
In described control unit includes single-chip microcomputer (1) and memory (2), and the vehicle behavioral data collecting unit includes GPS locator
(3) and 3-axis acceleration sensor (4), the single-chip microcomputer (1) connects memory (2), GPS locator (3), three axles and accelerates respectively
Degree sensor (4), the first wireless communication unit and power supply unit (5).
6. a kind of vehicle on highway behavior harvester based on nature wagon flow according to claim 5, its feature exists
In, the model STM32F103RCT6 of the single-chip microcomputer (1), the model UBLOX-6M of the GPS locator (3), described three
The model MPU-6050 of axle acceleration sensor (4).
7. a kind of vehicle on highway behavior harvester based on nature wagon flow according to claim 1, its feature exists
Cuboid is shaped as in, the housing (10), cross section and the size of fare card of housing (10) match.
8. a kind of vehicle on highway behavior harvester based on nature wagon flow according to claim 1, its feature exists
In first wireless communication unit uses Bluetooth chip (6).
9. a kind of vehicle on highway behavior harvester based on nature wagon flow according to claim 8, its feature exists
In the model HC-05 of the Bluetooth chip (6).
10. it is a kind of to realize that the vehicle on highway behavior based on nature wagon flow is gathered using harvester as claimed in claim 1
Method, it is characterised in that comprise the following steps：
In specified expressway access charge station, fare card is inserted the draw-in groove (11) of harvester, open harvester, will counted
Expense card and harvester are issued to vehicle together；
Harvester is with variable frequency Real-time Collection vehicle vehicle behavioral data in the process of moving；
In specified expressway exit charge station, fare card and harvester are together reclaimed, and fare card is taken out from draw-in groove (11)
And close harvester, fare card and the equal cycling and reutilization of harvester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035065.3A CN106710214A (en) | 2017-01-17 | 2017-01-17 | Natural traffic flow-based expressway vehicle behavior acquisition device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035065.3A CN106710214A (en) | 2017-01-17 | 2017-01-17 | Natural traffic flow-based expressway vehicle behavior acquisition device and method |
Publications (1)
| Publication Number | Publication Date |
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| CN106710214A true CN106710214A (en) | 2017-05-24 |
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ID=58908641
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710035065.3A Pending CN106710214A (en) | 2017-01-17 | 2017-01-17 | Natural traffic flow-based expressway vehicle behavior acquisition device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765591A (en) * | 2019-01-15 | 2019-05-17 | 深圳市阿达视高新技术有限公司 | GPS track playback method |
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| CN204302723U (en) * | 2014-12-09 | 2015-04-29 | 兰州交通大学 | A kind of coach driving monitoring device handheld terminal |
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| CN201741279U (en) * | 2010-07-02 | 2011-02-09 | 西安交通大学 | Vehicle-mounted road information monitor |
| US20120058800A1 (en) * | 2010-09-07 | 2012-03-08 | Lian Wen International Technology Co. Ltd | Structure of moving recording device for transportation tools |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |