CN101520331A - GPS navigation system and method capable of automatically updating map - Google Patents
GPS navigation system and method capable of automatically updating map Download PDFInfo
- Publication number
- CN101520331A CN101520331A CN200910038447A CN200910038447A CN101520331A CN 101520331 A CN101520331 A CN 101520331A CN 200910038447 A CN200910038447 A CN 200910038447A CN 200910038447 A CN200910038447 A CN 200910038447A CN 101520331 A CN101520331 A CN 101520331A
- Authority
- CN
- China
- Prior art keywords
- data
- road net
- navigation
- net data
- electronic map
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Navigation (AREA)
- Instructional Devices (AREA)
Abstract
The invention provides a GPS navigation system capable of automatically updating a map. The system comprises an electronic map data base, a navigation module, a road net data updating generation module, and a data comparison module, wherein the electronic map data base is used for storing the road net data of the electronic map of the system; the navigation module is used for finding out the navigation data guiding a navigation object to reach the set destination from the electronic map data base according to the current position information of the navigation object; the road net data updating generation module is used for recording the dynamic track of the moving navigation object according to the positioning information of the navigation object and taking the dynamic track as the current road net data; and the data comparison module is used for comparing the current road net data with the road net data of the electronic map in the electronic map data base and generating a data comparison result; and if the two groups of road net data are different, the currently updated road net data is stored in the electronic map data base so as to add the road net data information of the electronic map into the electronic map data base. When the navigation object moves, the system and the method can realize the automatic updating of the road net data of the electronic map and make the map show the actual road conditions more thoroughly, accurately and in detail so as to find out the best navigation route.
Description
Technical field
The present invention relates to navigational system, refer to a kind of GPS navigation system that can upgrade map automatically especially.
Background technology
Fast development along with the communication technology, a large amount of satellite positioning techs is applied to the location and the navigation of vehicle, at present, main location of adopting the gps system realization vehicle of US military, its utilization satellite technology is determined geodatas such as the longitude of vehicle and latitude, again in conjunction with vehicle-mounted electronic chart, and the visual and clear particular location that demonstrates vehicle, and go out best searching route according to the conditional search that people set, to realize intelligent navigation.
Yet, applied electronic map updating mode mostly is passive type in the present GPS navigation system, generally be the cartographic information that is upgraded to be transferred in the carrier that electronic chart is housed in wireless or wired mode by the third party, promptly need the user independently electronic chart to be done regular software upgrading, and in the ordinary course of things, the original quantity of information of electronic chart is very big, substantially can indicate most road and building information in the big city, substantially satisfy the navigation demand of people in the city, yet, for the rural area, the road that the outskirts of a town section-level is lower, also has the road in some remote paths or the construction recently, often do not indicate complete detailed geodata in the electronic chart, help people and finish navigation task.
Therefore, how more convenient, obtain the data of electronic chart in the navigational system in time, the degree of accuracy and the integrity degree that improve electronic chart are one of technological difficulties of navigational system always.
Summary of the invention
The objective of the invention is to by writing down and compare of analysis the navigation object motion track, new road information is newly-increased to navigational system, further improving the road net data amount of electronic chart in the navigational system, thereby improve the degree of accuracy and the integrity degree of electronic chart.
The invention provides a kind of GPS navigation system of automatically updated map, it comprises:
Electronic map database, the road net data that is used to store this system electronic map;
Navigation module is connected with electronic map database, is used for finding out the navigation data that guides navigation object arrival setting destination in electronic map database according to the current location information of navigation object;
Road net data is upgraded generation module, is connected with electronic map database, is used for writing down the dynamic trajectory that it moves, as current road net data according to the locating information to navigation object;
Data comparison module, upgrading generation module with electronic map database and road net data is connected, be used for the road net data that road net data is upgraded in the electronic chart of current road net data that generation module generates and electronic map database is compared, generate the data comparative result;
If the data comparative result is mutually internally inconsistent for both, then described current up-to-date road net data is stored in the electronic map database, thus the road net data quantity of information of electronic chart in the newly-increased electronic map database.
Described navigational system also further comprises the GPS receiving antenna, it upgrades generation module with road net data and is connected, the Kinematic Positioning information that received Navsat is fed back about navigation object, transfer to road net data renewal generation module and carry out data analysis, generate current road net data.
In the present invention, described road net data comprises one or more in road information, regional building information and the transport information.Described navigation data comprises and navigation object associated navigation track, and any one or more in distance, direction guide, traffic information and the sea level elevation between the reference object.
Compared with prior art, navigational system of the present invention utilizes the GPS location technology when navigation object moves, note the running orbit of navigation object, after running orbit analyzed, the road net data of storing in itself and the electronic chart is compared, judge the navigation object running orbit newly-increased to the electronic chart of navigational system according to comparative result as new road net data, thereby in the process that navigation object moves, realized the purpose of automatic renewal or increase electronic chart road net data, make that map can be more comprehensive, accurately, react situation on the spot full and accurately, play and eliminate the map blind area, optimize navigation, the effect of timely replacement electronic chart makes when navigation object passes through this path once more, can help it to carry out the circuit simulation, and search out best navigation way according to the road net data of former storage.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of the GPS navigation system of a kind of automatically updated map of the present invention.
Embodiment
For by obtaining up-to-date road net data, the present invention proposes a kind of mode and obtain the navigational system of instant road net data with the road practice, in the process that navigation object moves, also generate new road net data storage backup in the primary electron map by navigation software simultaneously.
With reference to shown in Figure 1, the GPS navigation system of a kind of automatically updated map of the present invention, it comprises at least: electronic map database 1, navigation module 2, road net data are upgraded generation module 3, data comparison module 4 and GPS receiving antenna 5, wherein, described electronic map database 1 road net data that is used to store this system electronic map; Described navigation module 2 is connected with electronic map database 1, is used for finding out the navigation data that guides navigation object arrival setting destination in electronic map database 1 according to the current location information of navigation object; Described road net data is upgraded generation module 3, is connected with electronic map database 1, is used for writing down the dynamic trajectory that it moves, as current road net data according to the locating information to navigation object; Described data comparison module 4, upgrading generation module 3 with electronic map database 1 and road net data is connected, be used for that road net data is upgraded the current road net data that generation module 3 generated and compare, generate the data comparative result with the road net data of the electronic chart of electronic map database 1.GPS receiving antenna 5, it upgrades generation module 3 with road net data and is connected, with the Kinematic Positioning information that received Navsat feeds back about navigation object, transfer to road net data renewal generation module 3 and carry out data analysis, generate current road net data.If the data comparative result is mutually internally inconsistent for both, then described current up-to-date road net data is stored in the electronic map database 1, thus the road net data quantity of information of electronic chart in the newly-increased electronic map database 1.
In the present invention, the vehicle during described navigation object is generally and travels.Described electronic map database 1 is used for the original a large amount of road net data of storage system electronic chart, be built into complete relatively electronic chart, can help navigation object to rely on the road net data of electronic map database 1 under the guide of navigation module, to finish navigation task.
Described road net data includes road information and regional building information at least.Wherein, road information comprises the information such as distance (as the departure place distance to destination), track of road name, rank, volume coordinate, point-to-point; The zone building information is included in information such as near the building name the navigation object, volume coordinate in the certain proportion scope.Instant particular location by road net data location navigation object.
Described navigation module 2 with electronic map database 1 as the information extraction center, according to the current location of navigation object and the destination that sets, in electronic map database 1, search and extract and to guide navigation object to arrive the navigation data of setting the destination, different with the quantity of information of the electronic map database 1 of electronic chart as the case may be, listed navigation data is also different, general navigational system can be chosen the shortest navigation way of time spent automatically by data analysis software and be made as best navigation way from some bar navigation routes, guide navigation object to finish navigation task with this.Described navigation data comprises and navigation object associated navigation track, and any one or more in distance, direction guide, traffic information and the sea level elevation between the reference object.Described navigation data can be view data or speech data, can export navigation data by different output units, as passing through the screen shows view data; Or by microphone broadcast speech data.Preferably, can adopt two kinds of images and speech data form that navigation object is navigated.
Described road net data is upgraded generation module 3, is used to realize the renewal of road net data.By road net data upgrade generation module 3 obtain road network more the mode of new data have several: one: regularly or obtain more new data of road network from Third-Party Service (selling merchant, network etc. as GPS software) in real time by wired or wireless mode; Its two: in the navigation object moving process, receive the view data that Navsat feeds back by GPS receiving antenna 5, view data has reflected the current location of this navigation object, moving direction, the positional parameter that road net data of velocity information and system electronic map or the like is concrete, this positional parameter is sent to road net data upgrades generation module 3, by it described current road net data is resolved to the discernible data layout of electronic chart, and it is transferred in the electronic map database 1 as current road net data preserve, thereby the dynamic trajectory that the record navigation object moves.
Described data comparison module 4 is connected with electronic map database 1, be used to carry out the road net data contrast, in data comparison module 4, road net data being upgraded the current road net data of generation module 3 generations compares by analog image or digitized mode with the former road net data in the electronic map database 1, obtain the data comparative result, judge if whether current road net data also is stored in the electronic map database 1: if the data comparative result is mutually internally inconsistent for both, it is this current road net data not in the electronic map database 1, be that current road net data is new, then should current road net data be stored in the electronic map database 1, thus the road net data quantity of information of electronic chart in the newly-increased electronic map database 1.
In order further to understand the function and application of this navigational system, the present invention also provides a kind of method of GPS navigation system of automatic renewal map, and it may further comprise the steps:
Step 1) is set the destination in the electronic chart of GPS navigation system;
Step 2) in electronic map database 1, searches the navigation data that guides navigation object to arrive the setting destination according to the current location information of navigation object by navigation module 2;
Step 3) is upgraded the current mobile dynamic trajectory of generation module 3 record navigation objects by road net data, as current road net data when navigation object moves;
Step 4) is compared current road net data with original road net data in the electronic chart, obtain comparative result;
If the data comparative result is mutually internally inconsistent for both, promptly current road net data is new, then should current road net data be stored in the electronic map database 1, thus the road net data quantity of information of electronic chart in the newly-increased electronic map database 1;
If the data comparative result is consistent for both, then under the guide of navigation module 2, finish navigation task.
The above person of thought, it only is preferred embodiment of the present invention, when not limiting scope of the invention process with this, promptly the content of putting down in writing according to claim of the present invention and description of the invention has generally been done simple equivalent and is changed and modify, and all still belongs within the claim of the present invention institute covering scope.
Claims (8)
1. the GPS navigation system of an automatically updated map is characterized in that comprising:
Electronic map database, the road net data that is used to store this system electronic map;
Navigation module is connected with electronic map database, is used for finding out the navigation data that guides navigation object arrival setting destination in electronic map database according to the current location information of navigation object;
Road net data is upgraded generation module, is connected with electronic map database, is used for writing down the dynamic trajectory that it moves, as current road net data according to the locating information to navigation object;
Data comparison module, upgrading generation module with electronic map database and road net data is connected, be used for the road net data that road net data is upgraded in the electronic chart of current road net data that generation module generates and electronic map database is compared, generate the data comparative result;
If the data comparative result is mutually internally inconsistent for both, then described current up-to-date road net data is stored in the electronic map database, thus the road net data quantity of information of electronic chart in the newly-increased electronic map database.
2. the GPS navigation system of automatically updated map according to claim 1, it is characterized in that: described navigational system further comprises the GPS receiving antenna, it upgrades generation module with road net data and is connected, the Kinematic Positioning information that received Navsat is fed back about navigation object, transfer to road net data renewal generation module and carry out data analysis, generate current road net data.
3. the GPS navigation system of automatically updated map according to claim 1, it is characterized in that: described road net data comprises road information and/or regional building information.
4. the GPS navigation system of automatically updated map according to claim 3, it is characterized in that: road information comprises distance, the trace information of road name, rank, volume coordinate, point-to-point.
5. the GPS navigation system of automatically updated map according to claim 3 is characterized in that: regional building information is included near the building name the navigation object, the information of volume coordinate in the certain proportion scope.
6. the GPS navigation system of automatically updated map according to claim 1 is characterized in that: described navigation data comprises and navigation object associated navigation track, and one or more in distance, direction guide, traffic information and the sea level elevation between the reference object arbitrarily.
7. the GPS navigation system of automatically updated map according to claim 6, it is characterized in that: described navigation data is view data or speech data.
8. method of automatically upgrading the GPS navigation system of map, it may further comprise the steps:
Step 1) is set the destination in the electronic chart of GPS navigation system;
Step 2) in electronic map database, searches the navigation data that guides navigation object to arrive the setting destination according to the current location information of navigation object by navigation module;
Step 3) is upgraded the current mobile dynamic trajectory of generation module record navigation object by road net data, as current road net data when navigation object moves;
Step 4) is compared current road net data with original road net data in the electronic chart, obtain comparative result;
If the data comparative result is mutually internally inconsistent for both, promptly current road net data is new, then should current road net data be stored in the electronic map database, thus the road net data quantity of information of electronic chart in the newly-increased electronic map database;
If the data comparative result is consistent for both, then under the guide of navigation module, finish navigation task.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910038447A CN101520331A (en) | 2009-04-08 | 2009-04-08 | GPS navigation system and method capable of automatically updating map |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910038447A CN101520331A (en) | 2009-04-08 | 2009-04-08 | GPS navigation system and method capable of automatically updating map |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101520331A true CN101520331A (en) | 2009-09-02 |
Family
ID=41081045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910038447A Pending CN101520331A (en) | 2009-04-08 | 2009-04-08 | GPS navigation system and method capable of automatically updating map |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101520331A (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236967A (en) * | 2010-04-22 | 2011-11-09 | 高德软件有限公司 | Method and device for screening real-time traffic information |
| CN102667409A (en) * | 2009-12-04 | 2012-09-12 | 通用汽车环球科技运作有限责任公司 | Application programming interface (api) for navigation applications that merges incremental update with existing map database |
| CN103903312A (en) * | 2012-12-27 | 2014-07-02 | 中国移动通信集团河南有限公司 | Method and device for executing automatic inspection |
| CN104075723A (en) * | 2014-06-18 | 2014-10-01 | 国家电网公司 | Navigation system of electric system and navigation method thereof |
| CN104123310A (en) * | 2013-04-28 | 2014-10-29 | 百度在线网络技术（北京）有限公司 | Method and device for processing road network information based on satellite image |
| CN104121915A (en) * | 2013-04-25 | 2014-10-29 | 中国移动通信集团安徽有限公司 | Real-time road navigation method and system |
| CN105205196A (en) * | 2014-06-27 | 2015-12-30 | 国际商业机器公司 | Method and system for generating road network |
| CN105662796A (en) * | 2016-03-15 | 2016-06-15 | 江苏龙昌智能科技有限公司 | Intelligent walking assisting garment for blind person and navigation method of intelligent walking assisting garment |
| CN106323302A (en) * | 2016-09-05 | 2017-01-11 | 深圳市双赢伟业科技股份有限公司 | Navigation map updating method and apparatus |
| CN106885578A (en) * | 2015-12-16 | 2017-06-23 | 北京奇虎科技有限公司 | Map updating method and device |
| CN106931976A (en) * | 2015-12-31 | 2017-07-07 | 北京四维图新科技股份有限公司 | A kind of method and device of navigation information updating |
| CN107091649A (en) * | 2017-06-27 | 2017-08-25 | 合肥市老海新材料有限公司 | A kind of intelligent vehicle-carrying navigation system |
| CN107402014A (en) * | 2017-07-27 | 2017-11-28 | 惠州市格农科技有限公司 | Distributed maps data processing method |
| CN107452219A (en) * | 2016-05-31 | 2017-12-08 | 奥迪股份公司 | Choosing lane accessory system and its execution method |
| WO2017215213A1 (en) * | 2016-06-15 | 2017-12-21 | 华为技术有限公司 | Map updating method and vehicle-mounted terminal |
| CN107631733A (en) * | 2016-07-19 | 2018-01-26 | 北京四维图新科技股份有限公司 | The method, apparatus and server of new added road are found based on floating wheel paths |
| CN108286978A (en) * | 2017-01-09 | 2018-07-17 | 北京四维图新科技股份有限公司 | Road network automatic generating method and device and hybrid navigation system |
| US10030984B2 (en) | 2014-06-27 | 2018-07-24 | International Business Machines Corporation | Verifying a road network of a map |
| CN108680180A (en) * | 2018-03-30 | 2018-10-19 | 斑马网络技术有限公司 | Traffic information Vehicular navigation system and its air navigation aid |
| US10168172B2 (en) | 2016-10-26 | 2019-01-01 | International Business Machines Corporation | Network map reconstruction from message data |
| CN109323703A (en) * | 2017-08-01 | 2019-02-12 | 北京亿阳信通科技有限公司 | A kind of road traffic air navigation aid and device |
| CN109839153A (en) * | 2019-01-30 | 2019-06-04 | 江苏理工学院 | A kind of computer system applied to city stratification environmental monitoring and simulation |
| CN110059098A (en) * | 2019-05-28 | 2019-07-26 | 北京百度网讯科技有限公司 | The update method and device of high-precision map, electronic equipment, computer-readable medium |
| CN112698362A (en) * | 2020-12-15 | 2021-04-23 | 潍柴动力股份有限公司 | Three-dimensional map terrain updating method and device |
| CN113360793A (en) * | 2021-07-06 | 2021-09-07 | 重庆江北国际机场有限公司 | Navigation equipment data acquisition method based on 5G |
-
2009
- 2009-04-08 CN CN200910038447A patent/CN101520331A/en active Pending
Cited By (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667409A (en) * | 2009-12-04 | 2012-09-12 | 通用汽车环球科技运作有限责任公司 | Application programming interface (api) for navigation applications that merges incremental update with existing map database |
| CN102667409B (en) * | 2009-12-04 | 2016-08-10 | 通用汽车环球科技运作有限责任公司 | The application programming interface (API) of the navigation application that incremental update and existing map data base are merged |
| CN102236967A (en) * | 2010-04-22 | 2011-11-09 | 高德软件有限公司 | Method and device for screening real-time traffic information |
| CN102236967B (en) * | 2010-04-22 | 2014-06-11 | 高德软件有限公司 | Method and device for screening real-time traffic information |
| CN103903312A (en) * | 2012-12-27 | 2014-07-02 | 中国移动通信集团河南有限公司 | Method and device for executing automatic inspection |
| CN104121915A (en) * | 2013-04-25 | 2014-10-29 | 中国移动通信集团安徽有限公司 | Real-time road navigation method and system |
| CN104123310A (en) * | 2013-04-28 | 2014-10-29 | 百度在线网络技术（北京）有限公司 | Method and device for processing road network information based on satellite image |
| CN104075723A (en) * | 2014-06-18 | 2014-10-01 | 国家电网公司 | Navigation system of electric system and navigation method thereof |
| CN105205196A (en) * | 2014-06-27 | 2015-12-30 | 国际商业机器公司 | Method and system for generating road network |
| US10030984B2 (en) | 2014-06-27 | 2018-07-24 | International Business Machines Corporation | Verifying a road network of a map |
| US10731995B2 (en) | 2014-06-27 | 2020-08-04 | International Business Machines Corporation | Generating a road network from location data |
| US10234296B2 (en) | 2014-06-27 | 2019-03-19 | International Business Machines Corporation | Verifying a road network of a map |
| US10228254B2 (en) | 2014-06-27 | 2019-03-12 | International Business Machines Corporation | Verifying a road network of a map |
| US10222218B2 (en) | 2014-06-27 | 2019-03-05 | International Business Machines Corporation | Verifying a road network of a map |
| US10222217B2 (en) | 2014-06-27 | 2019-03-05 | International Business Machines Corporation | Verifying a road network of a map |
| CN105205196B (en) * | 2014-06-27 | 2018-08-03 | 国际商业机器公司 | Method and system for generating road network |
| CN106885578A (en) * | 2015-12-16 | 2017-06-23 | 北京奇虎科技有限公司 | Map updating method and device |
| CN106931976A (en) * | 2015-12-31 | 2017-07-07 | 北京四维图新科技股份有限公司 | A kind of method and device of navigation information updating |
| CN106931976B (en) * | 2015-12-31 | 2019-04-23 | 北京四维图新科技股份有限公司 | A kind of method and device of navigation information updating |
| CN105662796A (en) * | 2016-03-15 | 2016-06-15 | 江苏龙昌智能科技有限公司 | Intelligent walking assisting garment for blind person and navigation method of intelligent walking assisting garment |
| CN107452219A (en) * | 2016-05-31 | 2017-12-08 | 奥迪股份公司 | Choosing lane accessory system and its execution method |
| WO2017215213A1 (en) * | 2016-06-15 | 2017-12-21 | 华为技术有限公司 | Map updating method and vehicle-mounted terminal |
| CN107631733A (en) * | 2016-07-19 | 2018-01-26 | 北京四维图新科技股份有限公司 | The method, apparatus and server of new added road are found based on floating wheel paths |
| CN106323302A (en) * | 2016-09-05 | 2017-01-11 | 深圳市双赢伟业科技股份有限公司 | Navigation map updating method and apparatus |
| US10168172B2 (en) | 2016-10-26 | 2019-01-01 | International Business Machines Corporation | Network map reconstruction from message data |
| CN108286978A (en) * | 2017-01-09 | 2018-07-17 | 北京四维图新科技股份有限公司 | Road network automatic generating method and device and hybrid navigation system |
| CN107091649A (en) * | 2017-06-27 | 2017-08-25 | 合肥市老海新材料有限公司 | A kind of intelligent vehicle-carrying navigation system |
| CN107402014A (en) * | 2017-07-27 | 2017-11-28 | 惠州市格农科技有限公司 | Distributed maps data processing method |
| CN109323703A (en) * | 2017-08-01 | 2019-02-12 | 北京亿阳信通科技有限公司 | A kind of road traffic air navigation aid and device |
| CN108680180A (en) * | 2018-03-30 | 2018-10-19 | 斑马网络技术有限公司 | Traffic information Vehicular navigation system and its air navigation aid |
| CN109839153A (en) * | 2019-01-30 | 2019-06-04 | 江苏理工学院 | A kind of computer system applied to city stratification environmental monitoring and simulation |
| CN110059098A (en) * | 2019-05-28 | 2019-07-26 | 北京百度网讯科技有限公司 | The update method and device of high-precision map, electronic equipment, computer-readable medium |
| CN112698362A (en) * | 2020-12-15 | 2021-04-23 | 潍柴动力股份有限公司 | Three-dimensional map terrain updating method and device |
| CN113360793A (en) * | 2021-07-06 | 2021-09-07 | 重庆江北国际机场有限公司 | Navigation equipment data acquisition method based on 5G |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101520331A (en) | GPS navigation system and method capable of automatically updating map | |
| US11604077B2 (en) | Systems and method for using visual landmarks in initial navigation | |
| CN102538800A (en) | System for automatically updating map in GPS (Global Positioning System) navigation | |
| EP1172632B1 (en) | Server, method and program for updating road information in map information providing system, and recording medium with program recorded | |
| CN103165025B (en) | A kind of two-dimension code guidance, device and carrier | |
| CN1997875B (en) | Path searching device, path searching method and program | |
| CN102564433A (en) | Map automatic updating method in GPS navigation | |
| US20050096839A1 (en) | Traffic-condition notifying device, its system, its method, its program and recording medium storing the program | |
| US20070244636A1 (en) | Map Update System | |
| US7444238B1 (en) | Global position mapping system having a mobile docking station and method for use of same | |
| CN105677793A (en) | Site database establishing method and device, and candidate riding site recommending method and device | |
| US20110098910A1 (en) | Method and apparatus for intelligent guidance using markers | |
| CN101458088A (en) | Portable electronic device and traffic information enquiry method thereof | |
| CN101669156A (en) | Method, navigation device, and server for determining a location in a digital map database | |
| JPWO2009016693A1 (en) | Map display system, map display device, and map display method | |
| CN101509776A (en) | Multiple target stroke planning navigation system and method thereof | |
| CN104700333A (en) | Tour guide system in scenery spot and working method of tour guide system | |
| CN102520431A (en) | Vehicle tracking navigation method and mobile terminal | |
| CN101846523A (en) | Electronic map updating system and method thereof | |
| CN109212571A (en) | Navigation locating method and device | |
| JP4037866B2 (en) | POSITION ESTIMATION DEVICE FOR MOBILE BODY, POSITION ESTIMATION METHOD, AND POSITION ESTIMATION PROGRAM | |
| CN1808072B (en) | Electronic device for navigation system and method for searching, setting and inputting navigation conditions | |
| CN107270907B (en) | Tourist attraction information sharing method, route planning method and information sharing system | |
| US20110112757A1 (en) | Navigation System and Method Thereof | |
| CN101089561A (en) | Updating device, system and method for electronic map |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090902 |