CN1884974A - Vehicular navigation device and path searching method therefor - Google Patents
Vehicular navigation device and path searching method therefor Download PDFInfo
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- CN1884974A CN1884974A CN 200610093237 CN200610093237A CN1884974A CN 1884974 A CN1884974 A CN 1884974A CN 200610093237 CN200610093237 CN 200610093237 CN 200610093237 A CN200610093237 A CN 200610093237A CN 1884974 A CN1884974 A CN 1884974A
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Abstract
One vehicular navigator with high searched route quality in case of using cross point as destination and its path searching method are provided. In the vehicular navigator possessing control unit, display unit, operating unit and road network database, the cross point in the cross roads as the destination is displayed, and when the cross point as the destination has branched roads, the cross points of the branched roads may be displayed as the destination.
Description
Technical field
The present invention relates in vehicle ' the driver be pointed out the navigation device for vehicle of road information, particularly is that the navigation device for vehicle of track search and the path searching method therefor of navigation device for vehicle are carried out in the destination with the point of crossing.
Background technology
In recent years, from artificial satellite receive positional information that vehicle travelling, with the positional information of vehicle with cartographic information be presented on the display part, the navigation device for vehicle that guides driver practicability.In patent documentation 1, following technology has been proposed, that is, constituting by road segment segment in the navigation device for vehicle of road net database, be under the situation of destination with the point of crossing, a passing road that will be communicated with the point of crossing is got rid of from the road segment segment of destination.So-called road segment segment is the length of 2 internodal roads, and so-called node is typically the point of crossing with other roads.According to this technology,, when carrying out track search, can improve the quality in its path being in the navigation device for vehicle of destination with the point of crossing.
[patent documentation 1] Japanese kokai publication hei 10-89987 communique
But, constituting by road segment segment in the navigation device for vehicle of road net database, as the reason of the quality in the path explored of infringement, except the reason that the technology by above-mentioned proposition can solve, also there is the reason that results from condition of road surface shown below.For example,, fully leave and branch in 2 the road of drawing lines up and down (below be called two-track road), all give identical title usually any bar road of branch of institute at relative fare in China.Therefore, under the situation that the common road of this two-track road and other intersects, there are 2 places in its point of crossing.But, because which bar road of the two-track road of branch of institute all is same title, so in the point of crossing with two-track road and other common roads is under the situation of destination, guider in the past automatically determines to exist 1 point of crossing that is predetermined in the point of crossing at 2 places.Like this, there is following problems, that is, under the situation of definite point of crossing as the destination, because of the different point of crossing of automatically having selected to want, point of crossing with original user, the quality of the circuit that result's infringement is explored.
Summary of the invention
The present invention makes in view of above-mentioned problem, its objective is that providing a kind of with the point of crossing is being the navigation device for vehicle of the destination quality that can improve the path of being explored when carrying out track search and the path searching method therefor of navigation device for vehicle.
In order to solve above-mentioned problem, a kind of navigation device for vehicle is provided, possess control part, display part, operating portion and road net database, it is characterized in that, above-mentioned control part will be presented on the above-mentioned display part by 2 cross one another point of crossing of road of aforesaid operations portion indication by the user, in indicated above-mentioned road at least 1 branches in above-mentioned point of crossing under the situation of many roads, each point of crossing that can show the road of branch of institute makes the user indicate above-mentioned each point of crossing by aforesaid operations portion with discerning.According to the present invention, be under the situation of destination for example in point of crossing or the point of crossing between the two-track road with two-track road and other ordinary road, some by each point of crossing in the road of indication institute branch can improve the quality in the path of being explored.
In addition, the present invention also can be, under the situation that has a plurality of above-mentioned indicated 2 cross one another above-mentioned point of crossing of road, above-mentioned control part shows a plurality of these point of crossing, makes the user can lead to the point of crossing at 1 place in a plurality of these point of crossing of indication.According to the present invention, under the situation that two-track road for example and other ordinary road are intersected in a plurality of places, can be from a plurality of point of crossing that exist 1 point of crossing of indication.Then, by indicating the point of crossing of the road of branch as described above, just can improve the quality in the path of being explored.
In addition, the present invention also can be, above-mentioned control part shows the demonstration of a plurality of above-mentioned point of crossing in the road of the demonstration of above-mentioned indicated 2 cross one another a plurality of point of crossing of road and branch of institute simultaneously.Under the situation that two-track road and other ordinary road are intersected, or under the situation of intersecting between the two-track road, the demonstration in the place by making intersection is corresponding with the detailed demonstration in this place, can make the user easily carry out the indication of point of crossing.
In addition, the present invention is a kind of path searching method therefor that possesses the navigation device for vehicle of control part, display part, operating portion and road net database, it is characterized in that, have following step: above-mentioned control part judges whether indicated road branches into many roads on indicated 2 the cross one another point of crossing of road of aforesaid operations portion; Above-mentioned control part branches under the situation of many roads at above-mentioned indicated road, makes above-mentioned display part be presented at a plurality of point of crossing of the road of above-mentioned point of crossing branch; And then it is characterized in that also having following step: indicate some in a plurality of point of crossing the road of branch of above-mentioned institute by the user from aforesaid operations portion, above-mentioned control part is that track search is carried out in the destination with above-mentioned indicated point of crossing.
According to the present invention, can provide a kind of and with the point of crossing be the navigation device for vehicle of the destination quality that can improve the path of being explored when carrying out track search and the path searching method therefor of navigation device for vehicle.
Description of drawings
Fig. 1 is the figure of structure of the navigation device for vehicle 100 of the relevant present embodiment of expression.
Fig. 2 is the figure of cross one another X road 31 of expression and Y road 32.
Fig. 3 is that expression is used for showing according to the point of crossing of X road 31 that intersects in a plurality of places and Y road 32 figure of the display frame 39 of indicating the point of crossing.
Fig. 4 is that expression is used for indicating according to the detailed demonstration of B point of crossing 34 figure of display frame 41 of each point of crossing of B point of crossing 34.
Fig. 5 is the process flow diagram of track search of the navigation device for vehicle 100 of the relevant present embodiment of expression.
Embodiment
Be used for implementing preferred embodiment of the present invention below in conjunction with description of drawings.Fig. 1 is the figure of structure of the navigation device for vehicle 100 of the relevant present embodiment of expression.In the present embodiment, navigation device for vehicle 100 has navigation portion 10, reading mechanism 1, operating portion 2, VICS acceptance division 3, GPS acceptance division 4, independent navigation sensor 5, display part 6 and loudspeaker 7.Wherein, the structure that also can quote other mobile units or vehicle of the structure beyond the navigation portion 10.That is,, then also can only constitute navigation device for vehicle 100 by navigation portion 10 if quote the structure of other mobile units or vehicle.In Fig. 1, reading mechanism 1 is to be used for to CD (the compact disk)-ROM (ROM (read-only memory)) that preserves road net database and other pilot data or the structure of DVD (digital versatile disc)-recording mediums such as ROM.But, be not limited to this, also can adopt for example memory storage such as hard disk drive.
Operating portion 2 is to be used for the structure of user (hereinafter referred to as the driver) such as driver to the various operations of navigation portion 10 inputs, setting.It both can be as remote controller or control panel etc. constitutes individually, also can be used as the input media of the touch panel formula that forms with display part 6 described later and constitutes.And then also the microphone that can be used by phonetic entry etc. constitutes.
VICS (Vehicle Information and Communication System) acceptance division 3 is the structures that are used for receiving the VICS information of sending from electric wave beacon or light beacon, GPS (Global PositioningSystem, GPS) acceptance division 4 is to be used for receiving the gps signal that sends from gps satellite to detect the latitude of current location of vehicle and the structure of longitude.Independent navigation sensor 5 has: angular transducer 5a comprises the gyroscope in the orientation that is used for detecting vehicle etc.; With range sensor 5b, produce pulse every certain operating range, this independent navigation sensor 5 detects the direct of travel and the speed of vehicle.
Display part 6 has the display equipment of for example liquid crystal display mode etc., is the structure that is used for showing the various information such as current location, buildings and other icons of map from 10 inputs of navigation portion, path of navigation, vehicle.Loudspeaker 7 is the structures that are used for exporting equally from the voice instruction information of navigation portion 10 inputs etc.In addition, loudspeaker 7 also can be exported from the music of output such as acoustics etc.
In addition, in navigation portion 10, memory buffer 11 is to be used under the control of control part 17 described later temporary transient structure of preserving from the map datum of reading mechanism 1 input etc.I/F (interface) 12,13,14,15 is used for the structure that is connected with internal bus in operating portion 2, VICS acceptance division 3, GPS acceptance division 4, independent navigation sensor 5 and the navigation portion 10.
Control part 17 has for example microcomputer or CPU arithmetic processing apparatus such as (central arithmetic processing apparatus).The program of navigation usefulness is housed in this control part 17, according to this program, carry out the various processing of relevant navigation, described being treated to, according to current location from the input vehicle of GPS acceptance division 4 and independent navigation sensor 5 outputs, or the data that will want the map that shows from reading mechanism 1 etc. read into the memory buffer 11, or according to the map datum exploration path of navigation that reads in the memory buffer 11, or utilize the map datum be read out in the memory buffer 11 etc., explore the more than one path of navigation that meets the exploration condition that sets etc.Wherein, said procedure for example also can be stored among CD-ROM or the DVD-ROM etc. in advance.In the case, control part 17 is read it, carry out as required.
Map depiction portion 18 is used for utilizing the map datum that reads in the memory buffer 11 to carry out the structure of describing to handle of map image.Display message generating unit 19 is to be used for generating according to running-active status the structure of various signs such as various menu screens (operation screen) and pointer.Path of navigation storage part 20 is the structures that are used for preserving the data in the path of exploring according to departure place and destination or other exploration conditions of moving about and the data relevant with all nodes of path of navigation (following they are called the path of navigation data) in control part 17.So-called node is typically the point of crossing with other roads.Path of navigation drawing section 21 is to be used for reading the path of navigation data and describing the structure of path of navigation with the display mode different with other roads (utilizing the reinforcement demonstration of color or live width etc.) from path of navigation storage part 20.Icon drawing section 22 is to be used for structure that the icon of buildings, place, Ben Che or other cars etc. described on map image is described to handle.Voice output portion 23 comprises for example DSP (Digital SignalProcessor, digital signal processor) etc., according to the signal from control part 17, voice signal is exported to loudspeaker 7.
The synthetic portion 24 of image be used for suitably superposeing on the map image of being described by map depiction portion 18 path of navigation described by path of navigation drawing section 21, the operation screen of being described by display message generating unit 19 and various sign, the various icons of being described by icon drawing section 22 and from the image of control part 17 inputs etc. come to show on display part 6.
Then, in the navigation device for vehicle 100 of relevant present embodiment, be elaborated for the situation that for example point of crossing of two-track road and other ordinary road is designated as the destination.Fig. 2 is the figure of cross one another X road 31 of expression and Y road 32.As shown in Figure 2, X road 31 and Y road 32 in A point of crossing 33, B point of crossing 34 and C point of crossing 35 intersect mutually.X road 31 is 36 directions towards B point of crossing 34 from the place, become to be branched off into the two-track road that rolls off the production line as road 31a and 31b.In addition, Y road 32 is from place 37 to the place 38 the interval, becomes to be branched off into the two-track road that rolls off the production line as road 32a and 32b.
In traffic shown in Figure 2, in order suitably X road 31 and Y road 32 cross one another point of crossing to be designated as the destination by navigation device for vehicle 100, in the present embodiment, as shown in Figure 3, at first X road 31 is presented on the display part 6 with selectable demonstration with Y road 32 cross one another a plurality of point of crossing 33,34 and 35.In Fig. 3, the picture 39a of the left-half of display frame 39 is X roads 31 and Y road 32 cross one another A point of crossing 33, B point of crossing 34, and the display frame of C point of crossing 35.In addition, the picture 39b of the right half part of display frame 39 is the display frame that the point of crossing is selected, and is to be used for making the driver can select the display frame of 1 point of crossing from these point of crossing 33,34 and 35.In picture 39b, select to show that 40a is used for making the driver to select the demonstration of A point of crossing 33, select to show that 40b is used for making the driver to select the demonstration of B point of crossing 34, select to show that 40c is used for making the driver to select the demonstration of C point of crossing 35.In addition, because the driver is the destination with B point of crossing 34, so Fig. 3 has represented to select to show the situation of 40b.
Selected to show under the situation of 40b the driver, display frame shown in Figure 4 41 has been presented on the display part 6.Fig. 4 is that expression is used for indicating according to the detailed demonstration of B point of crossing 34 figure of display frame 41 of each point of crossing of B point of crossing 34.Shown in the picture 41a of the left-half of display frame 41, X road 31 becomes the two-track road that is branched off into road 31a and road 31b.In addition, Y road 32 becomes the two-track road that is branched off into road 32a and road 32b.Here, road 31a and road 32a intersect at D point of crossing 42a, and road 31a and road 32b intersect at E point of crossing 42b.In addition, road 31b and road 32a intersect at F point of crossing 42c, and road 31b and road 32b intersect at G point of crossing 42d.The picture 41b of the right half part of display frame 41 is the display frame that is used to refer to each point of crossing, is to be used for making the driver can select the display frame of 1 point of crossing from these point of crossing 42a, 42b, 42c and 42d.In picture 41b, select to show that 43a is used for making the driver to select the demonstration of D point of crossing 42a, select to show that 43b is used for making the driver to select the demonstration of E point of crossing 42b, select to show that 43c is used for making the driver to select the demonstration of F point of crossing 42c, select to show that 43d is used for making the driver to select the demonstration of G point of crossing 42d.In the display frame 41 shown in the figure, because the driver is the destination with D point of crossing 42a, so selected to show 43a.Like this, can explore with the point of crossing of wanting is the higher path of quality of destination.
Then, the track search carried out of the navigation device for vehicle 100 that utilizes process flow diagram shown in Figure 5 to describe relevant present embodiment in detail.In Fig. 5, at first, driver's operating operation portion 2 and start point of crossing search function (step 11).Then, driver's operating operation portion 2 and indication is communicated to 2 road (step 12) as the point of crossing of destination.After having indicated 2 roads, control part 17 judges whether 2 indicated cross one another point of crossing of road are 1 place's (step 13).In the point of crossing is under the situation at 1 place, and control part 17 is presented at this point of crossing on the display part 6 (step 18).In the point of crossing is not under the situation at 1 place, and control part 17 is presented at (step 14) on the display part 6 with all point of crossing in for example display frame 39 such modes.Confirmed driver's operating operation portion 2 of display frame and indication as the point of crossing (step 15) of destination.After being instructed to the point of crossing, control part 17 judges whether arbitrary the road that intersects in indicated point of crossing is two-track road (step 16).Under the situation that is not two-track road, control part 17 carries out track search (step 20).Under the situation that is two-track road, control part 17 is presented at the details of indicated point of crossing on the display part 6 (step 17) in for example display frame 41 such modes.If the point of crossing that shows in step 17 is the destination, driver's operating operation portion 2 and point of crossing is designated as destination (step 19) then.Thus, control part 17 is that track search (step 20) is carried out in the destination with indicated point of crossing.
In addition, even branch into the road more than 3 for example and in navigation device for vehicle 100, be identified as under the situation of road of same title, as long as adopt the present invention just can improve the quality in the path of being explored at indicated road.In addition, display frame shown in the present embodiment 39 and display frame 41 are examples of preferred display frame.Therefore, display frame 39 and display frame 41 also can be the display frame beyond the display mode shown in the present embodiment.In addition, in the time of also can for example in the track search of point of crossing, having indicated road, at first show display frame 41, again other point of crossing are presented in the display frame being judged as under the situation about not comprising as the point of crossing of destination as the destination.Then, also can show display frame 39, so that the driver can confirm as the point of crossing of destination is whether correct.Thus, can be implemented in the point of crossing is the navigation device for vehicle 100 of destination when carrying out track search, the quality that can improve the path of being explored and the path searching method therefor of navigation device for vehicle.
The foregoing description is a preferred embodiment of the present invention.But be not limited to this, in the scope that does not break away from purport of the present invention, can implement various distortion.
Claims (10)
1, a kind of navigation device for vehicle possesses control part, display part, operating portion and road net database, it is characterized in that,
Above-mentioned control part will be presented on the above-mentioned display part by 2 cross one another point of crossing of road of aforesaid operations portion indication by the user, in indicated above-mentioned road at least 1 branches in above-mentioned point of crossing under the situation of many roads, each point of crossing that can show the road of branch of institute makes the user indicate above-mentioned each point of crossing by aforesaid operations portion with discerning.
2, navigation device for vehicle as claimed in claim 1, it is characterized in that, under the situation that has a plurality of above-mentioned indicated 2 cross one another above-mentioned point of crossing of road, above-mentioned control part makes above-mentioned display part show a plurality of point of crossing, makes the user indicate 1 point of crossing in above-mentioned a plurality of point of crossing by aforesaid operations portion.
3, navigation device for vehicle as claimed in claim 1 or 2 is characterized in that, the road that branches into above-mentioned many roads is 2 parallel roads.
4, navigation device for vehicle as claimed in claim 1 or 2 is characterized in that, the road that branches into above-mentioned many roads is 3 parallel roads.
As claim 3 or 4 described navigation device for vehicle, it is characterized in that 5, the road that branches into above-mentioned many roads is the road in uplink and downlink branch.
As each described navigation device for vehicle in the claim 3 to 5, it is characterized in that 6, the road that branches into above-mentioned many roads is the road of same title.
7, as each described navigation device for vehicle in the claim 1 to 6, it is characterized in that above-mentioned control part makes above-mentioned display part show the demonstration of above-mentioned a plurality of point of crossing of the road of the demonstration of above-mentioned indicated 2 cross one another above-mentioned a plurality of point of crossing of road and branch of institute simultaneously.
As each described navigation device for vehicle in the claim 1 to 7, it is characterized in that 8, above-mentioned control part is that track search is carried out in the destination with the user by the above-mentioned point of crossing that aforesaid operations portion indicates.
9, a kind of path searching method therefor of navigation device for vehicle, this navigation device for vehicle possess control part, display part, operating portion and road net database, it is characterized in that, this path searching method therefor has following step:
Above-mentioned control part judges whether indicated road branches into many roads on indicated 2 the cross one another point of crossing of road of aforesaid operations portion;
Above-mentioned control part branches under the situation of many roads at above-mentioned indicated road, makes above-mentioned display part be presented at a plurality of point of crossing on the road of above-mentioned point of crossing branch.
10, the path searching method therefor of navigation device for vehicle as claimed in claim 9, it is characterized in that, also have following step: utilize aforesaid operations portion to indicate some in a plurality of point of crossing in the road of branch of above-mentioned institute by the user, above-mentioned control part is that track search is carried out in the destination with above-mentioned indicated point of crossing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP184333/2005 | 2005-06-24 | ||
| JP2005184333A JP2007003365A (en) | 2005-06-24 | 2005-06-24 | Vehicle mounted navigation device and its routing technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1884974A true CN1884974A (en) | 2006-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610093237 Pending CN1884974A (en) | 2005-06-24 | 2006-06-23 | Vehicular navigation device and path searching method therefor |
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| JP (1) | JP2007003365A (en) |
| CN (1) | CN1884974A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995252A (en) * | 2009-08-19 | 2011-03-30 | 阿尔派株式会社 | Navigation device and road information prompt method thereof |
| CN110906938A (en) * | 2018-09-14 | 2020-03-24 | 上海擎感智能科技有限公司 | Map navigation query method, system, medium, and apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5139173B2 (en) * | 2008-06-27 | 2013-02-06 | アルパイン株式会社 | Navigation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001108471A (en) * | 1999-10-13 | 2001-04-20 | Aisin Aw Co Ltd | Recording medium with recorded road data, and navigation apparatus |
-
2005
- 2005-06-24 JP JP2005184333A patent/JP2007003365A/en active Pending
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2006
- 2006-06-23 CN CN 200610093237 patent/CN1884974A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995252A (en) * | 2009-08-19 | 2011-03-30 | 阿尔派株式会社 | Navigation device and road information prompt method thereof |
| CN101995252B (en) * | 2009-08-19 | 2014-07-30 | 阿尔派株式会社 | Navigation device and road information prompt method thereof |
| CN110906938A (en) * | 2018-09-14 | 2020-03-24 | 上海擎感智能科技有限公司 | Map navigation query method, system, medium, and apparatus |
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| Publication number | Publication date |
|---|---|
| JP2007003365A (en) | 2007-01-11 |
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