CN103791908B - The method of data record for updating and for examining navigational route database - Google Patents
The method of data record for updating and for examining navigational route database Download PDFInfo
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- CN103791908B CN103791908B CN201310702941.5A CN201310702941A CN103791908B CN 103791908 B CN103791908 B CN 103791908B CN 201310702941 A CN201310702941 A CN 201310702941A CN 103791908 B CN103791908 B CN 103791908B
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The present invention relates to the methods of the data record for updating and for examining navigational route database.Disclose the method (300) of the data record for updating navigational route database, wherein data record have coordinate points corresponding with physical location and at least one be assigned to the attribute of the coordinate points.The method (300), which has, reads in step (302) and adaptation step (304).Multiple feedback signals about data record are read in reading in step (302), wherein each of feedback signal represents the result of inspection of the user by navigational route database to the attribute of physical location.In adaptation step (304), if the feedback signal of predetermined quantity shows attribute error, the attribute in adaptation data record.
Description
Technical field
The present invention relates to the methods of the data record for updating navigational route database, for examining the data of navigational route database
The method of record is additionally related to device and corresponding computer program product.
Background technique
Navigation system needs database, and the region for being given for navigation in the database is mapped as geographical number
According to.If database be it is out-of-date, navigation system may be to the information of user's output error.
KR-2010004022A describes a kind of navigation equipment being used together with traffic sign.
Summary of the invention
In this context, it is introduced according to independent claims using the present invention for updating the data of navigational route database
The method of record, using the device of the method, the method for data record for examining navigational route database, using the method
Device and finally introduce corresponding computer program product.Advantageous expansion scheme from corresponding dependent claims and with
It is lower to obtain.
Such as the data record of the navigational route database of the navigation of automobile can be used for can be based on about the data record
Feedback signal and be adapted.Here, the adaptation of data record can be according to the accumulation of feedback signal related with data record
And it is adapted.Here, feedback signal can be provided by the different user of data record.
The present invention realizes the method for updating the data record of navigational route database, and wherein the data record has and reality
The corresponding coordinate points in position are assigned to the attribute of the coordinate points at least one, and wherein the method has the following steps:
Multiple feedback signals about data record are read in, wherein each of described feedback signal is represented by navigation number
According to the user in library to the result of the inspection of the attribute at physical location；With
If the feedback signal of predetermined quantity shows attribute error, the attribute in adaptation data record.
Data record is construed as one group of associated data field in terms of content.It can be the seat in data record
Scale value distributes to the point of the geographical coordinate in real world.Coordinate can be related to coordinate origin.Data record can be with the shape of attribute
Formula reproduces the feature in the region of coordinate points.For example, attribute can be the ground loading performance of road, classification of road, the region
Interior guideboard.Attribute can map the information that can verify that by the user of database in actual coordinate point.Therefore, attribute can be
Using the exportable information in relation to coordinate points in data base procedure.It is, for example, possible to use databases to show on the screen
Mileage chart out, wherein attribute can be used to show the information for being assigned to attribute at the coordinate points in mileage chart.Feedback letter
It number can be the annex for belonging to data record in terms of content of data record.Feedback signal can have the content of data record.
Feedback signal can have data field other, being not present in data record.For example, feedback signal can represent data
The attribute that the one or more of record identifies for certain or negatively.Feedback signal can also represent additionally identify
Attribute at the position.User be construed as can by the technical equipment of suitable interface input feedback signal or
People.Feedback signal can be created by the user of navigational route database.Feedback signal can also be automatically created for example by navigation equipment.Instead
Feedback signal can be collected in memory.Attribute can be adapted to according to the result of inspection.Such as, thus it is possible to vary the speed of road
Limitation.Then rate limitation old in data record is deleted and new rate limitation can be used as attribute and be assigned to data
Record.If such as there are at least ten, at least 30 or at least with data record feedback signal, category can be adapted to
Property.
In one embodiment, database can be stored in central memory, on such as server.In order to safeguard number
According to the data record in library, the thermodynamic state verification based on server can be executed.Data record and Multi-user recognition can be made flat herein
Weighing apparatus.Therefore the same data record of database can be safeguarded using the identification of multiple users of database.
Each of feedback signal can have the timestamp at the time point in relation to examining, and if it is whole,
Attribute is shown as wrong in the feedback signal that its timestamp is in scheduled time interval, then adaptation step can be executed
Suddenly.It can be guaranteed by limiting change condition, not only because multiple users are unable to recognition property and mistakenly change attribute.Example
Such as, when traffic sign is covered by other traffic participants.Scheduled time interval may, for example, be one hour.Cause
The probability that this at least one user has the optimal conditions for recognition property is high.
Feedback signal can separately include the error signal in relation to the attribute missing at physical location, wherein if pre-
The feedback signal of fixed number amount includes error signal, then can remove the attribute in data record in adaptation step.For example, can
To remove traffic sign.Then error signal can be provided by multiple users and cancel corresponding attribute in the position.
Feedback signal can separately include the supplementary signal of related other attributes at coordinate points, wherein if predetermined
The feedback signal of quantity includes supplementary signal, then other attributes in navigational route database is added to data note in adaptation step
Record.For example, traffic sign can newly be set up.Then supplementary signal can be provided by multiple users and add in the position
New attribute.
Other attribute can also be added to data record in the case where reservation, wherein if another in reading in step
The feedback signal of one predetermined quantity includes the confirmation signal in relation to other attribute, then eliminates reservation.Confirmation signal can represent
Attribute at the position object and/or information it is consistent.It can protect attribute by confirmation signal.For example, using each
Confirmation signal can ensure the actuality of navigational route database.
This method may include the side of according to scheme presented here, for examining navigational route database data record
Method, wherein the method for inspection is executed by least one user of navigational route database.
The present invention additionally realizes the method for examining the data record of navigational route database, and wherein this method has following
Step:
Read in data record, wherein the data record have coordinate points corresponding with physical location and at least one referred to
Task the attribute of the coordinate points；
Test object and/or information around physical location；And
Feedback signal about data record is provided using attribute and object and/or information.
Method for inspection can be executed by multiple users.Object may, for example, be traffic sign.Information can example
Category of roads in this way or the change with the crossroad of other roads or road route.
It, can be with mistake if there is no object at the position and/or attribute can be assigned to without location information
Error signal provides feedback signal.If at least one object and/or information can be assigned to attribute, can be with confirmation signal
Feedback signal is provided.If detecting the object and/or information for being not previously allocated attribute, feedback can be provided with supplementary signal
Signal.Navigational route database can be quickly updated by the differentiation of classification in the case where feedback signal, because with unfiled
Feedback signal in the case where compared to incurring the less processing time.
The present invention additionally realizes a kind of device, the device be configured in corresponding equipment execute or realize according to
The step of at least one of method of the invention.It also can be fast by these implementation modifications of the invention of device form
Speed and efficiently solve the present invention being based on of the task.
Herein, device is construed as electrical equipment, and the electrical equipment handles sensor signal and exports accordingly
Control signal and/or data-signal.The device can have the interface that can be constructed with hardware and/or software mode.With
In the case that hardware mode constructs, interface may, for example, be the part of so-called system ASIC, which includes the very big of device
Different functions.But it is also possible that interface is distinctive integrated circuit or is at least partly made of discrete component.?
In the case where being constructed with software mode, interface can be software module, and the software module is for example in addition to other software modules
Except be present on microcontroller.
Also advantageously with the computer program product of program code, which can be stored in machine readable
Carrier, such as semiconductor memory, harddisk memory or optical memory on and when executing the journey on computer or device
At least one method according to one of aforementioned embodiments is used to carry out when sequence product.
Detailed description of the invention
Illustratively the present invention is described in more detail by attached drawing below.
Fig. 1 shows the device for being used to examine the data record of navigational route database with one embodiment according to the invention
The diagram of automobile；
It is used to update the box of the device of the data record of navigational route database Fig. 2 shows one embodiment according to the invention
Figure；
Fig. 3 shows the process of the method for data record of the one embodiment according to the invention for updating navigational route database
Figure；
Fig. 4 shows the box of the device of data record of the one embodiment according to the invention for examining navigational route database
Figure；
Fig. 5 shows the process of the method for data record of the one embodiment according to the invention for examining navigational route database
Figure；And
Fig. 6 shows the stream of the method for data record of another embodiment according to the invention for examining navigational route database
Cheng Tu.
Specific embodiment
In the explanation below the preferred embodiment of the present invention, for being shown in various figures and similarly rise
The element of effect uses identical or similar appended drawing reference, wherein abandoning the repeated explanation to these elements.
Fig. 1 shows the device for being used to examine the data record of navigational route database with one embodiment according to the invention
The diagram of 102 automobile 100.It puts in different times respectively and shows mobile automobile 100 three times.The automobile 100 is in addition to dress
Setting also has ambient enviroment detection device 104 and transmitting and receiving device 106 except 102.The transmitting and receiving device 106 is by structure
It makes for being communicated with the navigational route database being stored in storage equipment 107.The storage equipment 107 can be centralized storage
The storage equipment 107 of equipment 107, such as server or central management.Multiple transmitting and receiving devices 106 of multiple users can be with
Access is stored in the database in storage equipment 107.
Automobile 100 can be called using transmitting and receiving device 106 about on road 108 in enforcement side
The data record of actual coordinate point before automobile 100 upwards, and for example for driver assistance system.In Fig. 1
Show the reception by transmitting and receiving device 106 to data record 110.The data record 110 has and physical location pair
The coordinate points answered are assigned to the attribute of the coordinate points at least one.According to the embodiment, data record 110 describes road
108 region 112.The region 112 may include or actual coordinate points, such as road 108 on a road Ge Dianhuo
One section of road 108.The feature of road 108 or the feature of the object in region 112 are stored in data note in the form of attribute
In record 110.It is placed in this example in 110 memory of data record, at the lane edge on the right at the point 114 in region 112
Place should be provided with traffic sign.For example, the traffic sign can be used as image or be stored in number as text information
According in record 110.If the access areas 112 in following degree of automobile 100, i.e. region 112 can be by the week of vehicle 100
Collarette border detection device 104 detects that then device 102 is configured to verify, and whether ambient enviroment detection device 104 is in point
Traffic sign is identified at 114.According to the embodiment, the traffic sign at point 114 is had been removed.Ambient enviroment inspection
Therefore measurement equipment 104 cannot recognize that traffic sign.Device 102, which is configured to generate for database based on this, to be fed back
Signal 116 not can recognize that traffic sign at point 114 to notice.If such as another traffic participant covers traffic
Therefore direction board and traffic sign cannot identify ambient enviroment detection device 104, then can also pass through transmission
Such feedback signal 116 is sent to storage equipment 107 with receiving device 106.It can equally notice, point 114 is by another traffic
Participant covers.The automobile travelled on road 108 later can reexamine a little 114 at time point later.
By can by multiple users, for example multiple devices 102 for being arranged in different automobiles utilize storage equipment 107
The feedback signal 106 of multiple users can be used to safeguard database in database.Especially it can pass through road using multiple
The feedback signal 106 of the user in the 108 same region 112 distributes to the data record 110 in region 112 to safeguard.For this purpose, number
It can be received by the different users of database according to record 110, and be verified when by region 112 respectively.It can use
Data record in storage equipment 107 is safeguarded by the feedback signal 116 of the related data record 110 of different user's transmissions
110.Especially when occurring showing the feedback of the deviation between the attribute and practical ambient enviroment for being included in data record 110
When the accumulation of signal 116, such as data record 110 can be updated by updating or deleting attribute.It can be with any
Suitable mode come define accumulation, from the accumulation execute attribute adaptation.For example, support attribute can be formed about accumulation
Feedback signal and do not support attribute feedback signal between ratio.
It is used to update the device 200 of the data record 110 of navigational route database Fig. 2 shows one embodiment according to the invention
Block diagram.Navigational route database can be disposed in storage equipment, as it is shown in Fig. 1.Can use about
Maintenance includes the data record in navigational route database in the case where the feedback signal 116 of data record.Feedback signal 116 can be with
It is related to the message transmitted by the user of navigational route database, as by described in Fig. 1.Device 200 can such as middle ground by cloth
It sets at the navigation server for being able to access that storage equipment 107.
Device 200 has the equipment 204 for the equipment 202 of reading and for adaptation.Equipment 202 for reading is by structure
It makes for reading in multiple feedback signals 116 respectively by interface about the data record being stored in navigational route database.It is described anti-
Result of each user represented by navigational route database to the inspection of the attribute of physical location in feedback signal 116.For being adapted to
Equipment 204 be configured to when the feedback signal 116 of predetermined quantity shows attribute error be adapted to navigational route database data
Attribute in record 110.In addition, equipment 204 can also be configured to read in data record from navigational route database by interface
110.Equipment 204 can be configured to pass through interface output update for data record 110 based on feedback signal 116
Data record 206 or update for being updated to data record 110 are average.The data record 206 of update can be used as existing
The substitute of some data records 110 be stored in storage equipment 107 in and as new data record 110 then again by
User calls.If feedback signal 116 shows that the attribute at the position lacks, can be in the data record 206 of update
Middle removal attribute.It equally, can be to more if feedback signal 116 shows to be considered as other feature at the position
New data record 206 adds other attribute.If feedback signal 116 shows that attribute at this location is correctly deposited
It is placed in data record 110, then there is no the necessity being adapted to existing data record 110.
Fig. 3 shows the method 300 of data record of the one embodiment according to the invention for updating navigational route database
Flow chart.Method 300 can be performed on device as shown in Figure 2.Method 300, which has, reads in step 302 and adaptation step
Rapid 304.Data record have coordinate points corresponding with physical location and at least one be assigned to the attribute of the coordinate points.It is reading
Enter and read in multiple feedback signals about data record in step 302, wherein each representative in the feedback signal is by navigating
Result of the user of database to the inspection of the attribute at physical location.In adaptation step 304, when the feedback letter of predetermined quantity
When number showing attribute error, the attribute in data record is adapted to.
Fig. 4 shows the device 102 of data record 110 of the one embodiment according to the invention for examining navigational route database
Block diagram.Device 102 is corresponding with device 102 as shown in FIG. 1 herein.Device 102 has the equipment for reading
400, for the equipment of detection 402 and for the equipment 404 of offer.Equipment 400 for reading is configured to for example pass through
Transmitting and receiving device reads in data record 110 from navigational route database.Data record 110 has coordinate corresponding with physical location
Point is assigned to the attribute of the coordinate points at least one.Equipment 402 for detection is configured to detect in ambient enviroment
Object and/or information of the detection around physical location in the data of equipment.Equipment 404 for offer is configured to lead to
Feedback signal 116 of the transmitting and receiving device offer about data record is provided.In order to provide, equipment 404 is configured at least
The object and/or information detected using attribute and the equipment 402 being sensed by.If at the point no object and/
Or attribute can be assigned to without information, then feedback signal 116 can be provided with error signal for the equipment 404 of offer.
If can distribute at least one object and/or information to attribute, the equipment 404 for offer can be provided anti-with confirmation signal
Feedback signal 116.If detecting the object and/or information of unassigned attribute, the equipment 404 for offer can be with supplement
Signal provides feedback signal 116.
Fig. 5 shows the method 500 of data record 110 of the one embodiment according to the invention for examining navigational route database
Flow chart.Method 500, which has, reads in step 502, detecting step 504 and offer step 506.Method 500 can in such as Fig. 1 and
It is performed on device 102 shown in Fig. 4.Data record 110 is read in reading in step 502, wherein data record 110 has
Coordinate points corresponding with physical location and at least one be assigned to the attribute of the coordinate points.Detection exists in detecting step 504
Object and/or information around physical location.In step 506 is provided the case where using attribute and object and/or information
Feedback signal 116 of the lower offer about data record 110.
Fig. 6 shows the method 500 of data record of another embodiment according to the invention for examining navigational route database
Flow chart.This method has first the 600, first movement 602, second is examined to examine the 604, second movement 606 and unassigned
The step 608 of movement.It examines in 600 first and is verified as such as the automotive system described in Fig. 1 and Fig. 4, the detection of automobile
Whether device at the x of position detects information.If it is, noticing the information to server in the first movement 602.If not,
It then examines in 604 and examines second, whether automotive system obtains the letter at the x of position from server in data record
Breath.If it is, noticing in the second movement 606 to server, any information is not detected at the x of position.If it is not, then
In step 608 without any movement.
One embodiment of the present of invention is illustrated by figure before below.The data record 110 being previously mentioned is herein
Include dynamic map attribute.Dynamic map attribute can by ambient enviroment detection device 104, for example by distributed
The mobile phone sensor of sensor, such as automobile sensor, the GPS sensor (PND) of mobile navigation system or automobile 100 exists
It is stored in the case where using the statistical analysis of data and aggregation on central server 107.For example, can be it is thus determined that newest
Traffic information.It can be gathered by the data automatically based on determined by the Traffic Sign Recognition of video in relation to rate limitation
Collection, can after the database therefore to generate the database as newest as possible of effective rate limitation on server 107
To be used in information system for driver or driver assistance system.
If when what when system, such as ambient enviroment detection device 104 have detected by data transmission 116 to clothes
Business device 107 sends information, then the dynamic map attribute of cancellation can be removed from database.For example due at point 114
Traffic sign removal and in the case where cancelling information, feedback signal can used according to the scheme introduced herein
116 the case where, gets off transmitting, without anything or the traffic instruction that is notified at least through data record 110 at point 114
Board is not detected.
Therefore, the method based on such scheme can efficiently for example be removed from dynamic map cancellation attribute or
Information.
Distributed sensing system, such as Traffic Sign Recognition with activation mobile phone can be current for it
Running region from the notice of the information for obtaining on server 107 known, 110 form of data record in server 107 simultaneously
And therefore can by server info, for example " should have traffic sign herein " with the newest knot of Traffic Sign Recognition
Fruit " does not detect " for example and is compared and identifies negative detection, then the negative can be detected to pass through and accordingly fed back
Signal is notified to server 107.It, can be from the traffic after correspondingly accumulating such negative detection at position 114
The cancellation of mark is set out.It can rapidly and in terms of volume of transmitted data effectively be removed from database in this way
When information.
Scheme presented here can be in principally the same manner in all automobiles being fixedly integrated in automobile
In system variant scheme as remodeling solution () or as the application quilt executed on a cellular telephone
It realizes.In addition, concept " automotive system " is used for all three representative variant schemes.The system being based on is by automotive system
Component composition, the automotive system includes at least one for example satellite-based positioning unit, and suitable sensor is for example taken the photograph
Camera, communication and server system.The server system include database and the information for being transmitted automatically analyze be
System.Nonexpondable concept " position " indicates the region being defined around a point, and the compensation that is sized in the region is determined
Position precision.In order to remove the information of cancellation from database, it is known in the database that server can transmit it to automotive system
Sum is important for the current driving region of automotive system, relevant to position information.Automotive system constantly will be by servicing
The information relevant to position of device notice is currently compared by the information that its sensor identifies in its corresponding position.Such as
Fruit at this, relatively distinguish by middle determine, then the difference is passed to server, the server is in its lasting analysis to the information
Suitably account for.If automotive system does not identify information from its sensing system at a position, but services
Device includes information at this location, can also notify server in this way.After the signal accumulation of attribute missing,
It is deleted in database.For remove dynamic map attribute method therefore based on server thermodynamic state verification and with it is more
The balance of user's identification integrates.
Embodiment that is described and being shown in figure is only illustratively selected.Different embodiments can be complete
Ground is combined mutually about single feature.One embodiment can also be supplemented by the feature of another embodiment.This
It outside, can be repeatedly and to execute the method according to the invention step with described order in a different order.If one
Embodiment includes that "and/or" connects between fisrt feature and second feature, then this should be read as, and the embodiment is according to one kind
Embodiment had both had fisrt feature or had had second feature, and according to another embodiment or only had fisrt feature,
Or only there is second feature.
Claims (8)
1. the method (300) for the data record (110) for updating navigational route database, wherein the data record (110) has
Coordinate points corresponding with physical location (112) and at least one be assigned to the attribute (114) of the coordinate points, wherein described
Attribute can be used for showing the information for being assigned to the attribute at the coordinate points in mileage chart, wherein the method
(300) there are the following steps:
(302) multiple feedback signals (116) about the data record (110) are read in, wherein in the feedback signal (116)
Each representative by the user of the navigational route database to the knot of the inspection of the attributes (114) of the physical location (112)
Fruit；And
If the feedback signal (116) of predetermined quantity shows the attribute (114) mistake, it is adapted to (304) described data record
(110) attribute (114) in,
Wherein each of described feedback signal (116) has the timestamp at the time point in relation to examining, and if complete
Attribute (114) is shown as wrong in portion, feedback signal (116) that its timestamp is in scheduled time interval, then
It executes adaptation step (304).
2. according to the method for claim 1 (300), which is characterized in that the feedback signal (116) can separately include
The error signal for closing attribute (114) missing at physical location (112), wherein if the feedback signal (116) of predetermined quantity
Comprising error signal, then the attribute (114) in data record (110) is removed in adaptation step (304).
3. method according to any of the preceding claims (300), which is characterized in that feedback signal (116) energy
The supplementary signal in relation to the other attribute at coordinate points is enough separately included, wherein if the feedback signal of predetermined quantity
(116) include supplementary signal, then the other attribute in navigational route database is added to data record in adaptation step (304)
(110) in.
4. according to the method for claim 3 (300), which is characterized in that in adaptation step (304) in the case where reservation
Add other attribute to data record (110), wherein if in reading in step (302) another predetermined quantity feedback signal
(116) include the confirmation signal in relation to other attribute, then eliminate reservation.
5. method according to claim 1 or 2 (300), which is characterized in that have according to claim 6 be used for
The method (500) of the data record (110) of navigational route database is examined, wherein the method (500) for inspection is by navigation number
It is executed according at least one user in library.
6. the method (500) of the data record (110) for examining navigational route database, wherein the method (500) has following
Step:
It reads in (502) data record (110), wherein the data record (110) has coordinate corresponding with physical location (112)
Point is assigned to the attribute (114) of the coordinate points at least one, wherein the attribute can be used for showing in mileage chart
Coordinate points at the information for being assigned to the attribute；
(504) object and/or information are detected around the physical location (112)；And
(506) are provided using the attribute (114) and the object and/or the information to remember about the data
The feedback signal (116) of (110) is recorded,
Wherein in providing step (506), if there is no object at the position (112) and/or can be divided without information
Dispensing attribute (114) then provides feedback signal (116) with error signal, and/or if at least one object and/or information energy
Attribute (114) are enough assigned to, then provide feedback signal (116) with confirmation signal, and/or be not previously allocated category if detected
Property object and/or information, then with supplementary signal provide feedback signal (116).
7. device, described device be configured to the step of executing method according to any one of claims 1 to 5 and/
Or the step of method according to claim 11.
8. the computer program product with program code, when executing program product on device, said program code is used for
Execute method and/or the method according to claim 11 according to any one of claims 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012219595.5A DE102012219595A1 (en) | 2012-10-26 | 2012-10-26 | Method for updating a data set of a navigation database and method for checking a data record of a navigation database |
| DE102012219595.5 | 2012-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103791908A CN103791908A (en) | 2014-05-14 |
| CN103791908B true CN103791908B (en) | 2019-01-11 |
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|---|---|---|---|
| CN201310702941.5A Expired - Fee Related CN103791908B (en) | 2012-10-26 | 2013-10-25 | The method of data record for updating and for examining navigational route database |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN103791908B (en) |
| DE (1) | DE102012219595A1 (en) |
| FR (1) | FR2997493B1 (en) |
| IT (1) | ITMI20131769A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014220687A1 (en) * | 2014-10-13 | 2016-04-14 | Continental Automotive Gmbh | Communication device for a vehicle and method for communicating |
| CN105160919A (en) * | 2015-08-07 | 2015-12-16 | 深圳市灵动飞扬科技有限公司 | Speed limit sign identification method and system |
| DE102017202255A1 (en) * | 2017-02-13 | 2018-08-16 | Audi Ag | A method of updating a digital map of an off-board server device |
| DE102019101639A1 (en) * | 2019-01-23 | 2020-07-23 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | System for updating navigation data |
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| CN102721420A (en) * | 2012-06-28 | 2012-10-10 | 宇龙计算机通信科技(深圳)有限公司 | Cloud computing-based navigation error correction prompt system and method |
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| GB2440958A (en) * | 2006-08-15 | 2008-02-20 | Tomtom Bv | Method of correcting map data for use in navigation systems |
| KR20100004022A (en) | 2008-07-02 | 2010-01-12 | 엠텍비젼 주식회사 | Apparatus, system for navigating using road signs and method using the same |
| CN101608925B (en) * | 2009-07-10 | 2013-07-10 | 北京四维图新科技股份有限公司 | Feedback method, terminal and server of information of geographic elements of navigation electronic map |
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2012
- 2012-10-26 DE DE102012219595.5A patent/DE102012219595A1/en not_active Withdrawn
-
2013
- 2013-10-23 IT IT001769A patent/ITMI20131769A1/en unknown
- 2013-10-24 FR FR1360394A patent/FR2997493B1/en not_active Expired - Fee Related
- 2013-10-25 CN CN201310702941.5A patent/CN103791908B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102721420A (en) * | 2012-06-28 | 2012-10-10 | 宇龙计算机通信科技(深圳)有限公司 | Cloud computing-based navigation error correction prompt system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2997493B1 (en) | 2020-10-02 |
| FR2997493A1 (en) | 2014-05-02 |
| CN103791908A (en) | 2014-05-14 |
| DE102012219595A1 (en) | 2014-05-15 |
| ITMI20131769A1 (en) | 2014-04-27 |
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