CN1209596A - Method for unloading navigation-data - Google Patents

Method for unloading navigation-data Download PDF

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Publication number
CN1209596A
CN1209596A CN98104414A CN98104414A CN1209596A CN 1209596 A CN1209596 A CN 1209596A CN 98104414 A CN98104414 A CN 98104414A CN 98104414 A CN98104414 A CN 98104414A CN 1209596 A CN1209596 A CN 1209596A
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CN
China
Prior art keywords
data
menu
navigation
information
data server
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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.)
Granted
Application number
CN98104414A
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Chinese (zh)
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CN1144133C (en
Inventor
李镐锡
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication of CN1209596A publication Critical patent/CN1209596A/en
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Publication of CN1144133C publication Critical patent/CN1144133C/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3885—Transmission of map data to client devices; Reception of map data by client devices
    • G01C21/3896—Transmission of map data from central databases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3605—Destination input or retrieval
    • G01C21/3611—Destination input or retrieval using character input or menus, e.g. menus of POIs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3667—Display of a road map
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3863—Structures of map data
    • G01C21/387—Organisation of map data, e.g. version management or database structures
    • G01C21/3878—Hierarchical structures, e.g. layering

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Navigation (AREA)
  • Information Transfer Between Computers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Computer And Data Communications (AREA)

Abstract

A method for unloading navigation-data used in small terminals includes the following steps: detecting whether the terminals is connected to a data server, in which the navigation data having the grading regions and information structures are stored, based on the navigation data downloading order of users; displaying the menu for selecting the navigation data if the terminal connects the data server; and, downloading the navigation data selected by the menu from the data server.

Description

The method of unloading navigation-data
The present invention relates to a kind of terminal that navigation feature is provided, especially a kind of method of unloading navigation-data.
At Miniature Terminal, form by the information in a plurality of zones as the navigation data that uses in handheld personal computer, notebook-sized personal computer, the personal digital assistant etc., in these Miniature Terminals, there are not exterior storage medium or memory resource limited.In pressing the navigation data of areal distribution, its quantity is restricted to be fit to the memory resource of Miniature Terminal.Therefore, many navigation datas do not provide and the kind of navigation data is restricted.The user downloads to the desired zone of navigation data from data server on the Miniature Terminal.Yet low-quality like this navigation data can not satisfy user's needs.In addition, because data server only provides low-quality data to Miniature Terminal,, can not download high-quality data even the resource of Miniature Terminal is enough.So, in not having the limited Miniature Terminal of external memory storage or memory resource, can not provide high-quality navigation feature.
The method that the purpose of this invention is to provide a kind of unloading navigation-data wherein can not had external memory storage or the limited Miniature Terminal of memory resource that high-quality navigation feature is provided.
The method of unloading navigation-data in Miniature Terminal that is provided, comprise step: according to user's navigation data download command, check whether this terminal connects a data server, in this data server, stored navigation data with hierarchical region and message structure; If this terminal has connected this data server, just show the menu that is used to select navigation data; And, download the navigation data of selecting by menu from this data server.
By detailed description with reference to the accompanying drawings, advantage of the present invention and characteristic will be more obvious.In the accompanying drawing:
Fig. 1 is for the block scheme of the terminal that navigation feature is connected with data server is provided;
Fig. 2 A and Fig. 2 B are the process flow diagrams of the navigation data downloading process of the explanation preferred embodiment of the present invention; And
Fig. 3 to Fig. 8 is the synoptic diagram of displaying contents on the terminal among Fig. 1.
In the the accompanying drawings and the following description, for a more complete understanding of the present invention, list many details.Yet, clearly, to those skilled in the art, do not have these details can implement the present invention yet.In addition, for outstanding content of the present invention, omitted description to known function or structure.
Referring to Fig. 1, show the block scheme of the Miniature Terminal 10 that is connected with data server 22.Miniature Terminal 10 comprises CPU (central processing unit) (CPU) 12, storer 14, user input unit 16, display unit 1 and outside input block 20.
According to handling procedure, CPU12 handles data that receive by outside input block 20 or the data of being imported through user input unit 16 by the user, and the global operation of control Miniature Terminal 10.CUP12 connects data server 22, and downloads various programs and data from data server 22.Program and the data downloaded are stored in storer 14.Handling procedure and the data of storer 14 storage CPU12.User input unit 16 can be the contact plate that keyboard, telepilot maybe can make user input data and order.Display unit 18 is according to the state and the data of the control display terminal 10 of CPU12.Outside input block 20 can be serial port, infrared port, fax/modem port or PCMCIA (personal computer memory plug-in card international association) port.Data server 22 storages program and data to be downloaded.Data server 22 can directly be connected with Miniature Terminal 10, or be connected with Miniature Terminal 10 by network by parallel or serial port.Data server can be a communication service company.Shown in the structure table 1 below of the navigation data of in data server 22, storing.
As noted in Table 1, navigation data comprises the overall information and various other the information of overall information, each child partition of overall information, each subregion of Zone Full.That is, data server 22 contains the navigation data with hierarchical region and message structure.
Referring to Fig. 2 A and Fig. 2 B, show the navigation data downloading process that is used for the Miniature Terminal 10 that is connected with data server 22.In step 24, whether the CPU12 monitor user ' has selected the order of unloading navigation-data by user input unit 16.If the user does not select this order, step 24 enters step 26, carries out operation accordingly.If the user has selected this order, step 24 enters step 28, checks whether terminal 10 has connected data server 22.If terminal 10 does not connect data server 22, what carry out after the step 28 is step 30, points out that in demonstration on the display unit 18 data server 22 shutdown or terminal 10 are not connected to the error message on the data server 22.
If terminal 10 has connected data server 22, step 28 enters step 32, shows initial menu.In Fig. 3, provided an example of initial menu.Initial menu comprises ' automatically ', ' manually ' and ' cancellation '.If the user just wishes the required navigation data of selecting the zone of simple download, he need select ' automatically ' in the initial menu.If he wishes to download the navigation data in selected zone according to storer 14 remaining spaces, then should select ' manually '.If wish the cancellation choice menus, should select ' cancellation '.
In step 34, CPU12 determines whether the user has selected ' automatically ' in the initial menu or in ' manually ' one.If no, then finish downloading process.If selected, then step 34 enters step 36, the viewing area choice menus.
Table 1
The overall information of Zone Full
Zone Full The overall information of first area
The first area First subregion The overall information of first subregion
The first information
· ·
M information
The L subregion The overall information of L subregion
The first information
· ·
N information
The overall information of second area
Second area First subregion The overall information of first subregion
The first information
· ·
Q information
The P subregion The overall information of P subregion
The first information
· ·
R information
Figure 4 illustrates an example of regional choice menus.In regional choice menus, the user can select some in ' whole nation ', ' SEOUL CITY ', ' Pusan city ', ' Taegu city ', ' South Cholla '.
After having shown regional choice menus, in step 38, CPU12 checks whether the user has selected certain zone in the regional choice menus.If not, CPU12 waits for, till the user has selected the zone.If selected the zone, what follow after the step 38 is step 40, shows the subregion choice menus.Fig. 5 shows an example of subregion choice menus, and what select in regional choice menus step 38 user in this example is ' road, Jizhou '.In subregion menu shown in Figure 5, ' Nandao, Jizhou ', ' Jizhou Bei Dao ', ' Xi Guipu (SEOKWIPO transliteration) city ', ' Jizhou city ', ' road, whole Jizhou ' etc. have been shown.
In step 42, CPU12 checks whether the user has selected some in the subregion choice menus.If selected some in the subregion menu, step 42 enters step 44, the partition data that the storage user selects in storer 14.In step 46, CPU12 checks whether the user has selected regional selection the finish command, if non-selected should the order, step 46 turns back to step 36, so that the user can select other zone.If selected regional selection the finish command, then step 46 enters step 48, checks whether the user has selected ' manually ' in the initial menu.If not, if promptly the user has selected ' automatically ' in the initial menu, what then continue after the step 48 is step 50.In step 50, by checking the remaining space in the storer 14, according to the priority of area data, the navigation data of the size that automatic selection can be downloaded.The priority of All Ranges data is scheduled to.After this, in step 70, CPU12 checks whether the user selects message to select download command by the download of display unit 18 demonstrations.For example, can it be ' to download the navigation data in Xi Guipu city, road, Jizhou that message is selected in this download? (Y/N) '.If require unloading navigation-data, should select ' Y ', otherwise, should select ' N '.If the user selects ' Y ',, just download selecteed navigation data from data server 22 in step 72.
In addition, if the user selects ' manually ' in the initial menu, step 48 enters step 52, the display message choice menus.Referring to Fig. 6, the Information Selection menu comprises ' overall information ', ' road information ', ' communal facility information ' and ' jurisdictional information '.The user can select the zone selected last time in the Information Selection menu for information about.In step 54, CPU12 checks whether the user selects certain information in the Information Selection menu.If step 54 enters step 56, show sub-Information Selection menu.If the user has selected ' road information ' in the Information Selection menu, then sub-Information Selection menu as shown in Figure 7.Referring to Fig. 7, the sub-Information Selection menu of road information comprises ' highway ', ' national highway ', ' industrial highway ' and ' all roads '.The user can select any information in this sub-Information Selection menu.
In step 58, CPU12 checks whether the user has selected certain information in this sub-Information Selection menu.If selected this information, then step 58 enters step 60, the sub-information data that the storage user selects.In step 62, CPU12 checks whether the user has selected Information Selection the finish command.If do not select this order, step 62 is returned step 52, so that the user can select out of Memory.If selected Information Selection the finish command, step 62 enters step 64, and request msg server 22 provides the size information of the navigation data of relevant user's selection.Then, data server 22 offers CPU12 with the size information of navigation data.In step 66, compare with the resource of storer 14 by the size of navigation data that data server 22 is provided, CPU12 determines whether to be useful on the storage space of this navigation data of storage in storer 14.If be not used in the storage space of this navigation data of storage, step 66 back subsequent steps 68 shows the error message of pointing out the memory resource deficiency.
In step 70, CPU12 checks the navigation data of whether wanting download user to select.For example, ' download (Y/N) with the selection message of selection information ' navigation information of the highway in Xi Guipu city, road, Jizhou '? '.If selected ' Y ', just download selected navigation data from data server 22 in step 72.
So, can be selectively according to the navigation data of zone and download of information hierarchical organization.If the user only selects a certain zone, then can download this regional conceptual data.
In this preferred embodiment, though selected a zone and institute's favored area to be divided into several subregions, data server can also provide the navigation data of child partition.Equally, the user can download the navigation data of grandson's information.
As described above, can download the navigation data of hierarchical organization selectively according to regional and information.If the user selects a certain zone, can download this zone automatically for information about according to priority.If the information needed in the Miniature Terminal of user's download memory resource-constrained then can obtain high-quality data.Therefore, high-quality navigation feature is provided for the limited Miniature Terminal of memory resource.
Though show and described the present invention with reference to a certain preferred embodiment of the present invention, but those skilled in the art should understand, under the situation of the spirit and scope of the invention that do not break away from claims regulations, can carry out on the various forms therein and details on variation.

Claims (5)

1. method that is used at the Miniature Terminal unloading navigation-data comprises step:
According to user's navigation data download command, check whether this terminal connects a data server, in this data server, stored navigation data with hierarchical region and message structure;
If this terminal has connected this data server, just show the menu that is used to select navigation data; And,
Download the navigation data of selecting by menu from this data server.
2. method that is used at the Miniature Terminal unloading navigation-data comprises step:
According to user's navigation data download command, check whether this terminal connects a data server, in this data server, stored navigation data with hierarchical region and message structure;
If this terminal has connected this data server, just show the regional choice menus that is used to indicate a plurality of zones;
If selected certain zone, then show the subregion menu in this selected zone by this zone choice menus; And
If selected certain subregion, then from described data server, download the navigation data of this subregion of selecting by this subregion menu by described subregion menu.
3. method as claimed in claim 2, if wherein be used to store the memory space inadequate of this subregion navigation data, then according to preset priority, described download step is only downloaded can stored navigation data.
4. method that is used at the Miniature Terminal unloading navigation-data comprises step:
According to user's navigation data download command, check whether this terminal connects a data server, in this data server, stored navigation data with hierarchical region and message structure;
If this terminal has connected this data server, just show the regional choice menus that is used to indicate a plurality of zones;
If selected certain zone, then show the subregion menu in this selected zone by this zone choice menus;
If selected certain subregion, then show the Information Selection menu that is used for indication information by described subregion menu;
If selected information, then show the sub-info menu of selected information by described Information Selection menu; And
If selected sub-information, then from described data server, download the navigation data of this subregion and sub-information by described sub-Information Selection menu.
5. method that is used at the Miniature Terminal unloading navigation-data comprises step:
According to user's navigation data download command, check whether this terminal connects a data server, in this data server, stored navigation data with hierarchical region and message structure;
If this terminal has connected this data server, just show the regional choice menus that is used to indicate a plurality of zones;
If selected certain zone, then show the subregion menu in this selected zone by this zone choice menus;
Check that whether receiving a zone selects the finish command;
Select the finish command if receive this zone, then check whether selected the automatic or manual menu item;
If selected described spontaneous menu item, just download the navigation data of subregion from described data server;
If selected described manual menu item, just show the Information Selection menu that is used for indication information;
If selected certain information, just show the sub-info menu of selected information by described Information Selection menu;
Check whether receive an Information Selection the finish command; And
If receive described Information Selection the finish command, just download the navigation data of this subregion and sub-information from described data server.
CNB98104414XA 1997-08-27 1998-02-10 Method for unloading navigation-data Expired - Fee Related CN1144133C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR41513/97 1997-08-27
KR1019970041513A KR100217754B1 (en) 1997-08-27 1997-08-27 Navigation information downloading method
KR41513/1997 1997-08-27

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CN1209596A true CN1209596A (en) 1999-03-03
CN1144133C CN1144133C (en) 2004-03-31

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CNB98104414XA Expired - Fee Related CN1144133C (en) 1997-08-27 1998-02-10 Method for unloading navigation-data

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7783421B2 (en) 2005-03-22 2010-08-24 Hitachi, Ltd. Navigation device, navigation method, navigation program, server device, and navigation information distribution system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7783421B2 (en) 2005-03-22 2010-08-24 Hitachi, Ltd. Navigation device, navigation method, navigation program, server device, and navigation information distribution system

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Publication number Publication date
KR19990018338A (en) 1999-03-15
CN1144133C (en) 2004-03-31
KR100217754B1 (en) 1999-09-01

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