CN101017475A - Management system and method of electronic map having time stamp - Google Patents
Management system and method of electronic map having time stamp Download PDFInfo
- Publication number
- CN101017475A CN101017475A CN 200610023769 CN200610023769A CN101017475A CN 101017475 A CN101017475 A CN 101017475A CN 200610023769 CN200610023769 CN 200610023769 CN 200610023769 A CN200610023769 A CN 200610023769A CN 101017475 A CN101017475 A CN 101017475A
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- electronic chart
- time stamp
- storage life
- effective storage
- gps
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Abstract
This invention relates to one electron map management system and method with time stamp, which comprises the following steps: adding electron map effective use time and time stamp onto electron map and coding the time stamp; then combining GPS system to get current time information for effective monitor on the map in valid use life to ensure electron map legal use.
Description
[technical field]
The invention relates to the method for effective use of software product being carried out management and control, especially about a kind of electronic chart management system and method for tool time stamp.
[background technology]
The past people whilst on tour that drives out all is that hand is taken map, walks one section facing to route and just checks once, very trouble.Along with progress of science and technology, wireless location and airmanship development are rapidly, Global Positioning System (GPS) (GPS has been arranged finally, Global Position System) system, GPS has been widely used in the location and navigation of military affairs, tracking, outdoor activities and the various vehicles, and very big convenience is provided.People can realize route guiding by it, easily and can arrive the destination.GPS for people trip provide convenient self-evident, GPS is commonly called as " range-finding navigation/GPS when satellite is surveyed ", the abbreviation gps system.This system is the radio-navigation positioning system based on satellite.Generally we to seem maximum GPS be hand held, people connect GPS with PDA or notebook, in conjunction with corresponding software, the present position is accurately located and can be presented on the screen.
But generally speaking be to provide electronic chart with the form of charging, therefore the supplier of electronic chart does not wish that the map of downloading is spread, duplicates or lends everywhere, current have many methods of carrying out encryption at the use of electronic chart, said method has limited the abuse of electronic chart to a certain extent, so that the bootlegging of map datum can minimize.But, for can after deciphering, using by way of the map of buying, as for then carrying out real-time monitoring the service time of deciphering back map by proper.And seller does not wish that its commodity that provide are used indefinitely yet, sells interests to influence it.Therefore, how to accomplish to use the keyholed back plate of effective time to become the problem of working as previous key to the electronic chart of buying.
[summary of the invention]
In order to solve above-mentioned the problems of the prior art and defective, the object of the present invention is to provide a kind of electronic chart management system and method for tool time stamp, real-time and effective management and control can be provided the effective storage life of electronic chart.
Therefore, the electronic chart management system of the disclosed tool time stamp of the present invention comprises a server end and a client, wherein stores electronic chart in the server end, and Server Side Include has a map treatment module and an encrypting module; This map treatment module is in order to joining day stamp in electronic chart, to set the effective storage life of electronic chart; Encrypting module is in order to carry out encryption to time stamp.Client is from server end electron gain map, and includes a deciphering module, a GPS module and a detecting module; Wherein, the time stamp of deciphering module deciphering electronic chart is to obtain the effective storage life of electronic chart; The GPS module is in order to obtain gps signal; Whether detecting module resolves electronic chart in order to the temporal information of contrast gps signal and the effective storage life of electronic chart with decision.
According to the electronic chart management system of tool time stamp of the present invention, wherein when the time, information was in effective storage life, then detecting module was resolved electronic chart, with normal use electronic chart.
According to the electronic chart management system of tool time stamp of the present invention, the map treatment module can be according to the effective storage life size of the represented electronic chart of the degree of authorization decision time stamp of client.
In addition, the present invention has also disclosed a kind of electronic chart management method of tool time stamp, comprises following steps: add a time stamp in electronic chart, to set the effective storage life of electronic chart; The time stamp of encrypted electronic map; The time stamp of deciphering electronic chart when using electronic chart is to obtain the effective storage life of electronic chart; Receive gps time information, and contrast gps time information and effective storage life; When gps time information is in effective storage life, then resolve electronic chart and normal the use.
According to the electronic chart management method of tool time stamp of the present invention, wherein when gps time information is not in effective storage life, then can not normally use electronic chart.
According to the electronic chart management method of tool time stamp of the present invention, more comprise step according to the effective storage life size of the represented electronic chart of client authorization degree decision time stamp.
According to the electronic chart management method of tool time stamp of the present invention, more comprise according to a current location and upgrade electronic chart to reorientate the step of current location.
The electronic chart management system and the method for tool time stamp of the present invention, by electronic chart joining day stamp to demand, and encrypt, to preestablish the effective storage life of electronic chart, in addition by comparing Current GPS temporal information and effective storage life, determine whether analytic map uses, and then can realize the effective life of electronic chart is carried out real-time management and monitoring, to guarantee the legal use of electronic chart.
In addition, the present invention is also available according to the client authorization degree, the time stamp of electronic chart is set, and then made the client can obtain rational rights of using.
About feature of the present invention and concrete technology, cooperate diagram to be described in detail as follows now as most preferred embodiment.
[description of drawings]
Fig. 1 is the system block diagrams of the electronic chart management system of tool time stamp of the present invention.
Fig. 2 is the flow chart of steps of the electronic chart management method of tool time stamp of the present invention.
[embodiment]
Please refer to Fig. 1, represented the system block diagrams of the electronic chart management system of tool time stamp of the present invention among the figure, as can be seen from the figure this system includes server end 10 and client 20.Wherein server end 10 includes map treatment module 12, map data base 14 and encrypting module 16.Wherein store electronic chart in the map data base.20 of clients can comprise deciphering module 22, GPS module 24, detecting module 26, microprocessor 28 and display device 30.Server end 10 is used as the equipment that electronic chart is provided, and client 20 can be PDA or other device in order to location navigation with gps system here.At present, have the PDA of call function and global position system (GPS) function, the position of mainstream in PDA market has been arrived at the station.GPS PDA device not only can accurately be located, and has the global positioning system electronic map Presentation Function again, but also easy to carry, use quick flexibly, for people's trip brings great convenience, and then become the focus that people pay close attention to.For the PDA device with wireless networking capabilities, people can connect online by GPS PDA device, directly download electronic chart.Particularly when from a strange geographical position transfer to another strange geographic position, need to upgrade in time ground electronic chart in the GPS PDA device especially, so that current location is reorientated.
When in order to the client 20 of navigation when being positioned at a certain geographic position, wish to obtain the map datum of current location, so that accurate route guide to be provided.At this moment the user of client can send download request to server end 10 by network.Server end 10 after the download request of receiving client 20, the electronic map data of selecting the user to need, 12 of map treatment modules add time stamps in electronic chart, with the effective storage life of the electronic chart of setting customer requirements.Wherein map treatment module 12 also can be bought the amount of money according to the difference that the user provides and authorize its rights of using to a certain degree respectively, and adds corresponding time stamp in conjunction with degree of authorization in electronic chart, to set the effective storage life size of electronic chart.Certainly, the purchase amount of money that the user provides is high more, and it is big more to set its degree of authorization, and the effective storage life of electronic chart is then long more.16 time stamps to adding of encrypting module are encrypted, to guarantee the legal use of map datum.
In addition, when arriving a new geographic position, when current download electronic chart can not position navigation, then can download an electronic chart again to server end 10, so that current location is reorientated by network.
Here, the effective storage life of electronic chart can be a time range, such as counting from the date of this electronic chart of user's download, till the effective storage life scope of representing to the time stamp.Perhaps, begin to calculate from the time that the user uses first.The initial setting that it should be noted that the electronic chart effective storage life is not limited to above-mentioned explanation.All drop in the claim of the present invention so long as electronic chart is managed according to effective storage life.
Please refer to Fig. 2 now, this figure is the flow chart of steps of the electronic chart management method of tool time stamp of the present invention, as shown in the figure, the electronic chart management method of tool time stamp of the present invention comprises following steps: select an electronic chart (step 101) of expecting according to client requests, current geographic position is provided accurate route guide.Then, the time stamp (step 102) that adds expression electronic chart effective storage life according to the client authorization degree, wherein the difference that provides according to the user is bought the amount of money and is authorized its rights of using to a certain degree, the purchase amount of money that the user provides is high more, it is big more to set its degree of authorization, and the effective storage life of electronic chart is then long more.Then the time stamp that adds is encrypted (step 103).
After encrypting, can normally download this electronic chart, and at first decipher the time stamp of electronic chart in use, and then the effective storage life (step 104) of electron gain map, at this moment, satellite receiver receives gps signal at a certain time interval in real time, to obtain Current GPS temporal information (step 105).The effective storage life of the electronic chart that Current GPS temporal information and deciphering are obtained compares then, to check whether electronic chart is in (step 106) in the effective life, when gps time information is positioned at the effective storage life that electronic chart sets, then resolve electronic chart and normal use (step 107), and then obtain current location information.Wherein when gps time information is not in effective storage life, then can not normally use electronic chart.
In addition, the electronic chart management method of tool time stamp of the present invention more can be downloaded new electronic chart according to current location, so that current location is reorientated.
Claims (7)
1. the electronic chart management system of a tool time stamp, this system includes:
One server end stores an electronic chart, and this Server Side Include has:
One map treatment module is in order to add a time stamp in this electronic chart, to set the effective storage life of this electronic chart; And
One encrypting module is in order to carry out encryption to this time stamp; And
One client, in order to obtain this electronic chart from this server end, wherein this client includes:
One deciphering module is in order to decipher the time stamp of this electronic chart, to obtain an effective storage life of this electronic chart;
One GPS module is in order to obtain a gps signal; And
Whether one detecting module in order to contrast a time information and this effective storage life of this gps signal, resolves this electronic chart with decision.
2. the electronic chart management system of tool time stamp as claimed in claim 1, wherein when this temporal information was in this effective storage life, this detecting module was resolved this electronic chart, with this electronic chart of normal use.
3. the electronic chart management system of tool time stamp as claimed in claim 1, wherein this map treatment module determines the effective storage life size of this electronic chart that this time stamp is represented according to the degree of authorization of this client.
4. the electronic chart management method of a tool time stamp, the method includes the steps of:
In an electronic chart, add a time stamp, to set the effective storage life of this electronic chart;
Encrypt this time stamp of this electronic chart;
When using this electronic chart, decipher the time stamp of this electronic chart, to obtain an effective storage life of this electronic chart;
Receive a gps time information, and contrast this gps time information and this effective storage life;
When this gps time information is in this effective storage life, resolve this electronic chart and normal the use.
5. the electronic chart management method of tool time stamp as claimed in claim 4 wherein when this gps time information is not in this effective storage life, then can not normally be used this electronic chart.
6. the electronic chart management method of tool time stamp as claimed in claim 4 more comprises the step that determines the effective storage life size of this electronic chart that this time stamp is represented according to a client authorization degree.
7. the electronic chart management method of tool time stamp as claimed in claim 4 more comprises according to a current location and upgrades this electronic chart to reorientate the step of this current location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610023769 CN101017475A (en) | 2006-02-07 | 2006-02-07 | Management system and method of electronic map having time stamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610023769 CN101017475A (en) | 2006-02-07 | 2006-02-07 | Management system and method of electronic map having time stamp |
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| Publication Number | Publication Date |
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| CN101017475A true CN101017475A (en) | 2007-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610023769 Pending CN101017475A (en) | 2006-02-07 | 2006-02-07 | Management system and method of electronic map having time stamp |
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| CN (1) | CN101017475A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103620658B (en) * | 2011-07-12 | 2015-12-02 | 日产自动车株式会社 | Information of vehicles generator and vehicle information management system |
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- 2006-02-07 CN CN 200610023769 patent/CN101017475A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103620658B (en) * | 2011-07-12 | 2015-12-02 | 日产自动车株式会社 | Information of vehicles generator and vehicle information management system |
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Open date: 20070815 |