JP4905366B2 - Car navigation system - Google Patents

Description

  The present invention relates to an in-vehicle navigation device that forms a guide route that connects a current location and a destination of a vehicle and guides the course of the vehicle according to the guide route.

  The in-vehicle navigation device forms a guidance route on the map data so as to connect the detected current location of the vehicle and the inputted destination, and guides the route of the vehicle (route guidance) accordingly. In addition to the destination, a point where the vehicle stops on the way (relay point) may be input, and a guide route may be formed so as to connect the current position of the vehicle, the relay point, and the destination in order.

Conventionally, it has facility search data that classifies facilities on the map data for each category, the user searches for facilities included in the specified category by specifying the category, and the user inputs the searched facility There was a navigation device for setting the destination or relay point of the vehicle. In this case, a plurality of facilities included in a specified category are displayed on the display device, and the facility selected by the user from among the displayed facilities is set as a destination, etc., and the location of the facility is unknown to the user. Has a feature that a facility included in a desired category can be set as a destination.
On the other hand, in this prior art, in order to display a plurality of facilities searched for each category, it is necessary to display the displayed facilities so that they can be distinguished from each other. In particular, in the case of a facility searched based on a category, the facility name is often the same as the category name, and as a result, a plurality of facility names may be the same as each other.

As shown in FIG. 9, when five facility names and addresses included in the category “△△ Eight” which is a chain store, for example, are stored as facility search data in the memory of the navigation device, “△△ Eight” If the facility name after retrieval retrieved based on is displayed as it is, the display of “ΔΔ Eight” appears frequently, making it difficult to distinguish the facility names from each other (shown in FIG. 10). In addition, if a display is added after “ΔΔ Eight” in order to make the facility names easily distinguishable from each other, the facility name becomes long and the display area of the display device needs to be widened.
As a prior art for such a problem, when there are things having the same name in a plurality of searched facilities, there is one that displays an address together with the names of the facilities (for example, see Patent Document 1). According to this prior art, even if there are those having the same name in a plurality of searched facilities, they can be displayed so as to be distinguished from each other by their addresses.
Japanese Patent Laid-Open No. 11-85778

However, even if the facility is familiar to the user, the user rarely knows the address, and even if the facility display is distinguished only by the address as in the prior art described above, the facility is anywhere However, it is difficult for the user to know immediately, and it takes time and effort to set up a facility as a destination.
The present invention has been made in view of the above circumstances, and an object thereof is to provide an in-vehicle navigation device in which a destination and the like can be easily set.

  According to the in-vehicle navigation device according to claim 1, for each facility searched based on the specified category, the facility name is compared with the name of the specified category, and the category name and the facility name are the same If the address of the facility is the display name of the facility, and the category name and only the front part of the facility name are the same, the rear part of the facility name is the display name of the facility, and the part that matches the category name in the facility name If not, the facility name is displayed as the display name of the facility.

  Thereby, since the facility name is displayed by any one of the address of the facility, the rear part of the facility name, and the facility name itself, the displayed plurality of facilities can be easily distinguished from each other. In addition, the user can know where these facilities are located by looking at the rear part of the displayed facility names or the facility names themselves, so the facilities displayed by the address are other facilities. From this, it is possible to know where the facility indicated by the address is. Therefore, the labor and time required for selecting a facility can be reduced, and a destination and the like can be easily set.

  According to the vehicle-mounted navigation device according to claim 2, when searching for facilities, it is possible to specify a plurality of categories. When a plurality of categories are specified and a facility is searched, Include a different identification mark for each specified category. Thereby, even if there is the same facility name between different categories, these display names can be distinguished from each other by associating with the category by the identification mark.

  According to the in-vehicle navigation device of the third aspect, the display name determined in advance before the facility is searched is stored, and when the facility is searched, the stored display name is displayed. Thereby, the time for determining the display name can be saved, and the time from when the category is specified until the searched facility is displayed can be shortened.

  According to the in-vehicle navigation device of the fourth aspect, when the addresses of a plurality of facilities determined as display names are in a single area, the common area name is omitted from the address as the display name. Thereby, when the search facility display means displays the display name of the facility, the display area in which the facility is displayed can be reduced, so that the search facility display means can be miniaturized.

  According to the in-vehicle navigation device of the fifth aspect, when the addresses of a plurality of facilities determined as display names are distinguishable from each other, the end of the address as the display name is omitted. Thereby, when the search facility display means displays the display name of the facility, the display area in which the facility is displayed can be reduced, so that the search facility display means can be miniaturized.

<Embodiment 1>
Hereinafter, an in-vehicle navigation device 1 according to Embodiment 1 of the present invention will be described with reference to FIGS. 1 to 6. FIG. 1 is a block diagram showing the overall configuration of the in-vehicle navigation device 1. The navigation device 1 includes a control device 2 (corresponding to facility search data storage means, facility search means, display name change means, route search means of the present invention), and a vehicle (not shown), which is mainly composed of a microcomputer. Position detector 3 for detecting the position (corresponding to the present position detecting means of the present invention), map data input device 4, operation switch group 5 (corresponding to the destination inputting means of the present invention), external memory 6, color Input from a microphone 11 that is connected to a display device 7 (corresponding to search facility display means and route guidance means of the present invention), a speaker 9 (corresponding to route guidance means of the present invention) comprising a liquid crystal display, etc. Remote control sensor 1 for transmitting / receiving commands and the like to / from a voice recognition device 10 for recognizing a received voice and a remote controller 13 (corresponding to destination input means of the present invention) , Outside the vehicle VICS (Vehicle Information & Communication System: VICS is a registered trademark) and a VICS transceiver 14 which transmits and receives data by wireless communication with the center 19.

  The position detector 3 includes a geomagnetic sensor 15 for detecting the vehicle direction, a gyroscope 16 for detecting the rotational angular velocity of the vehicle, a distance sensor 17 for detecting the travel distance of the vehicle, and a vehicle (own vehicle) based on a radio wave transmitted from an artificial satellite. ) Has a GPS receiver 18 for GPS (Global Positioning System) that detects (positions) the current position. Each sensor 15-18 has an error with a different property. For this reason, the control device 2 detects the current position, traveling direction, speed, travel distance, current time, etc. of the vehicle with high accuracy by using the detected values of the sensors 15 to 18 while interpolating. Yes. Depending on the accuracy, the position detector 3 may be configured by only a part of the sensors 15 to 18 described above.

  The map data input unit 4 converts road map data, landmark data, map matching data, destination data (facility database), and traffic information formed by a number of nodes and links connecting the nodes into road data. It comprises a drive device for reading data from a map data recording medium that records various data such as table data. The map data read by the map data input device 4 is stored in the memory of the control device 2. As the map data recording medium, a large-capacity storage medium such as a DVD is generally used, but a medium such as a memory card or a hard disk device may be used.

  The operation switch group 5 includes a mechanical switch provided in the vicinity of the screen of the display device 7 and a touch panel switch provided on the screen of the display device 7 (which corresponds to a selection switch 21 and a scroll switch 22 described later). Has been. The user uses the operation switch group 5 to switch the destination of the vehicle, the screen of the display device 7 and the display mode (map scale change, menu display selection, route search, route guidance start, current position correction, volume adjustment, etc. The navigation device 1 can be operated by inputting various commands. Further, when a facility search is performed for setting the destination of the vehicle, information (facility search condition) necessary for the search is input using the operation switch group 5, or the searched facility displayed on the display device 7 is input. From the displayed names, the name of the desired facility is selected and input as the destination of the vehicle.

  On the other hand, the remote controller 13 is provided with a plurality of operation switches, and various command signals are transmitted from the remote controller 13 to the control device 2 via the remote controller sensor 12 by the switch operation. Note that the operation switch group 5 and the remote controller 13 can cause the control device 2 to perform the same function by any operation. The external memory 6 is composed of, for example, a removable flash memory card.

  On the screen of the display device 7, a map around the position of the vehicle is displayed at various scales, and a current location mark (pointer) indicating the current position and the traveling direction of the vehicle is displayed superimposed on the display. In addition, a route guidance screen is displayed when route guidance to the destination is executed. Furthermore, the operation screen for the user to set the destination, the input screen for searching the facility for setting the destination, and the category determined from the searched category, facility name, and facility name. The display name and various messages are also displayed.

  The voice recognition device 10 collates the voice inputted through the microphone 11 with the dictionary data for recognition stored therein, and recognizes the inputted voice. The voice controller 8 controls the voice recognition device 10 to output a voice recognition result to the control device 2, and the recognized voice is talkback output via the speaker 9. Further, an audio output signal is output to the speaker 9 based on an audio output command from the control device 2. The sound output from the speaker 9 is a sound related to guidance, a sound related to operation explanation, a sound notifying that the anti-theft function is operating, a talkback sound corresponding to a sound recognition result, and the like.

  The VICS transmitter / receiver 14 includes a VICS sensor unit and an FM multiplex broadcast receiver (both not shown). For example, road traffic information or FM by optical / radio wave beacons received by the VICS sensor unit from the VICS center. The road traffic information from the FM multiplex broadcast received by the multiplex broadcast receiver is provided to the control device 2.

  The microcomputer constituting the control device 2 includes a CPU, a memory (RAM, ROM, EEPROM, flash memory, etc.), I / O, and the like. The control device 2 displays a road map around the current location on the screen of the display device 7 so as to be movable along the travel route, and superimposes a current location mark indicating the current position and traveling direction of the vehicle on the road map. indicate. In this case, the display of the current location moves on the map as the vehicle travels, and the map is scrolled according to the position of the vehicle. At this time, map matching is performed in which the current location of the vehicle is placed on the road.

  The control device 2 also guides the vehicle on the map data so as to connect the current location of the vehicle detected by the position detector 3 and the destination or relay point of the vehicle input by the operation switch group 5. And the route of the vehicle is guided by the image on the display device 7 and the sound from the speaker 9 according to the formed guidance route. Further, map data is stored in the memory of the control device 2, and facility search data in which facility names and addresses are grouped by category for a plurality of facilities in the map data is stored. In the facility search data, a plurality of categories are hierarchically included from the upper level to the lower level. When the user specifies a category in the facility search data, the control device 2 searches for a facility included in the specified category.

  Next, based on FIG. 2 thru | or FIG. 6, the method of the category search of the vehicle-mounted navigation apparatus 1 by the control apparatus 2 of this embodiment is demonstrated. The category search is a facility search using facility search data stored in the memory of the control device 2. First, in step S201 shown in FIG. 2, a list of the highest categories is displayed on the display screen 20 of the display device 7 as an initial screen for category search (shown in FIG. 3).

  Next, in step S202, it is determined whether or not a category in the displayed list has been selected. The user selects a desired lower category (“buy” in the present embodiment) using the selection switch 21 that is a touch panel switch on the display screen 20, and then inputs the selected category “buy”. When the category is selected, a search is executed for the designated lower category “buy” (step S203), and it is determined whether or not there is a lower category for the category “buy” (step S204). If no category is selected in step S202, the display of the highest category list is continued.

  If it is determined in step S204 that there is a lower category than the category “buy”, the process returns to step S201, and a lower category list included in the category “buy” is displayed (FIG. 4). In step S202, when a lower category (“convenience store” in the present embodiment) is selected again as in the case described above, a search is performed for the specified lower category “convenience store” (step S203). ), It is determined whether or not there is a lower category for the category “convenience store” (step S204).

  If it is determined in step S204 that there is a lower category, the process returns to step S201, and a category list lower than the category “convenience store” is displayed (shown in FIG. 5). When a lower category (“ΔΔ Eight” in this embodiment) is selected by operating the scroll switch 22 which is a touch panel switch on the display screen 20 (step S202), the designated lower category “ΔΔ” is selected. A search is performed for “Eight” (step S203), and it is determined whether or not there is a category lower than the searched category “ΔΔ Eight” (step S204).

  Stored in the memory of the control device 2 are store names for a plurality of stores (hereinafter referred to as facilities) in map data for each of several categories shown in FIG. 5 (store chains of convenience stores in this embodiment). (Hereinafter referred to as facility names) and their addresses are grouped and stored (shown in FIG. 9). In FIG. 9, only a part of the store chain “ΔΔ Eight” among a plurality of categories is shown.

  In the facility search data, the category “ΔΔ Eight” includes only the facility name data grouped and there is no lower category. Therefore, after setting N = 1 in step S205, FIG. “ΔΔ Eight” which is the facility name of the first facility from the top is extracted (step S206). Hereinafter, the Nth facility from the top shown in FIG. 9 is referred to as a facility (N), and the facility name is referred to as a facility name (N).

  Next, the category name “ΔΔ Eight” is compared with the extracted facility name (1) “ΔΔ Eight” (step S207). Since the category name and the facility name (1) are completely the same (the same) (step S208), the facility address “Amachi B-chome, Kariya, Aichi” is used as the display name of the facility (1). It is determined and incorporated in the facility list in the memory of the control device 2 (step S215).

  Next, in step S211, if it is determined that there is a facility (2) included in the category “ΔΔ Eight” in the facility search data, N = 2 is set in step S212, and then the process returns to step S206. In step S206, the “ΔΔ Eight” that is the facility name (2) shown in FIG. 9 is extracted and compared with the “ΔΔ Eight” that is the category name (Step S207). In addition, since the category name and the facility name (2) completely match (step S208), the facility address of the facility (2) is “C town D-chome, Anjo City, Aichi Prefecture”. The display name is determined and incorporated into the facility list in the memory of the control device 2 (step S215).

  Furthermore, if it is determined in step S211 that there is a facility (3) included in the category “ΔΔ Eight” in the facility search data, N = 3 is set in step S212, and then in step S206, FIG. The indicated facility name (3) “ΔΔ Eight E store” is extracted and compared with the category name “ΔΔ Eight” (step S207). Here, since the category name and the facility name (3) do not completely match, the process proceeds from step S208 to step S209, and the category name and the front part of the facility name (3) are compared.

  In step S209, if it is determined that the category name and the front part of the facility name (3) are both “ΔΔ Eight” and match, the category name is removed from the facility name (3), and the facility name (3) The rear part “E store” is determined as the display name of the facility (3), and is incorporated into the facility list in the memory of the control device 2 (step S214).

  Next, in step S211, if it is determined that there is a facility (4) included in the category “ΔΔ Eight” in the facility search data, the same flow as described above is followed. The category name is removed from the name (4), the rear part “H store” of the facility name (4) is determined as the display name of the facility (4), and incorporated in the facility list in the memory of the control device 2 (step S214).

  Next, when it is determined in step S211 that there is a facility (5) included in the category “ΔΔ Eight” in the facility search data, N = 5 is set in step S212, and in FIG. “Ikeda Shoten” which is the facility name (5) shown in FIG. 6 is extracted and compared with the category name “ΔΔ Eight” (step S207). Here, since the category name and the facility name (5) do not completely match, the process proceeds from step S208 to step S209, and the category name and the front part of the facility name (5) are compared.

  If the name “ΔΔ Eight” is not used for the facility name (5) and it is determined in step S209 that the category name and the front part of the facility name (5) do not match, the facility name ( 5) “Ikeda Shoten” is determined as the display name of the facility (5) and incorporated in the facility list in the memory of the control device 2 (step S210).

  Thereafter, the comparison between the category name and the facility name (N) of the facility (N) is continued in the same manner. When the comparison is completed for all the facilities (N), the category “ΔΔ” is included in the facility search data in step S211. It is determined that there is no facility (N + 1) included in “Eight”, and as shown in FIG. 6, a facility list formed by the display names of the determined facilities (N) is displayed on the display device 7 (step S213). ), Category search ends.

  In addition, since the control apparatus 2 can distinguish each other about the facility address of the facility (1) and the facility (2) incorporated in the facility list as display names, the town name and the street name at the end of each address are displayed. Omitted. As shown in FIG. 6, the display device 7 displays each omitted facility address.

  The user operates the scroll switch 22 to select a desired facility from a plurality of display names of the facility list displayed on the display device 7 and input it as a destination or relay point of the vehicle. The user who sees the facility list displayed on the display device 7 has the store names “E store”, ““ as the display names of the facility (3), the facility (4), and the facility (5) belonging to the same chain “ΔΔ Eight”. From “H store” and “Ikeda store”, it is possible to know where the facility (3), the facility (4) and the facility (5) are located. Moreover, since the facility (1) and the facility (2) displayed by the address are other facilities except the facility (3), the facility (4) and the facility (5), the facility (1) and the facility ( As for 2), it is possible to know where the facility is located and to distinguish the facilities from each other.

  According to the present embodiment, for each facility searched based on the category specified by the control device 2, the facility name is compared with the name of the specified category, and when the category name and the facility name are the same, When the facility address is the display name of the facility and the category name and only the front part of the facility name are the same, the rear part of the facility name is the display name of the facility, and there is no part that matches the category name in the facility name The facility name is determined as the display name of the facility and is displayed on the display device 7.

  Thereby, since the facility name is displayed by any one of the facility address, the rear part of the facility name, and the facility name itself, the displayed plurality of facilities can be easily distinguished from each other. In addition, the user can know where these facilities are located by looking at the rear part of the displayed facility names or the facility names themselves, so the facilities displayed by the address are other facilities. From this, it is possible to know where the facility indicated by the address is. Therefore, the labor and time required for selecting a facility can be reduced, and a destination and the like can be easily set.

  In addition, when the addresses of a plurality of facilities determined as display names are distinguishable from each other, the end of the address as the display name is omitted. Thereby, when displaying the display name of a facility, since the display unit 20 on which the facility is displayed can be made small, the display device 7 can be downsized.

<Embodiment 2>
A category search method according to the second embodiment of the present invention will be described with reference to FIG. In the present embodiment, when performing a search, a plurality of categories can be specified, and facilities included in the specified plurality of categories are searched. As shown in FIG. 7, when a facility search is performed based on two categories “□□ Star” and “△△ Eight”, “P store” is the display name of the facility included in the category “□□ Star”. ”,“ Q store ”, and“ Kariya city, Aichi ”are preceded by a star logo representing the designated category“ □□ star ”. On the other hand, a logo indicating 8 indicating the designated category “ΔΔ Eight” is attached to the front of “Anjo City, Aichi Prefecture” and “E store” which are display names of the facilities included in the category “ΔΔ Eight”. Has been.

In this embodiment, when searching for a facility, it is possible to specify a plurality of categories. When a plurality of categories are specified and a facility is searched, for each category specified in the display name of the facility A logo as a different identification mark is included. Thereby, even if there is the same facility name between different categories, these display names can be distinguished from each other by associating with the category by the logo. Needless to say, a logo that is widely known to users as a facility symbol should be used.
Moreover, what is included in the display name is not limited to the logo, and any form may be used as long as it is an identification mark that can recognize the category to which each searched facility belongs.

<Embodiment 3>
Based on FIG. 8, a method for displaying a searched facility according to the third embodiment of the present invention will be described. In the present embodiment, the display name of the facility determined in the first embodiment is further changed. As shown in FIG. 6, the facility address “Kariya City, Aichi Prefecture” as the display name of the facility (1) determined by Embodiment 1 and the facility address “Anjo City, Aichi Prefecture” as the display name of the facility (2) are Both are in the same area, Aichi Prefecture. Therefore, in this embodiment, the common prefecture name is abbreviate | omitted from the facility address as a display name.

  In this embodiment, when the addresses of a plurality of facilities determined as display names are in a single area, common area names are omitted from the facility addresses as display names. Thereby, when the display device 7 displays the display name of the facility, the display unit 20 on which the facility is displayed can be made small, so that the display device 7 can be downsized. In this embodiment, when a facility search is performed by specifying a region where a facility is located in addition to a category, it is possible to obtain a further effect by omitting the region name used for the search from the display name and displaying it. It becomes.

<Other embodiments>
The present invention is not limited to the above-described embodiments, and can be modified or expanded as follows.
In the memory of the control device 2, a display name determined in advance before the facility is searched is stored, and when the facility is searched, the stored display name is displayed on the display device 7. Good. Thereby, the time for determining the display name can be saved, and the time from when the category is specified until the searched facility is displayed can be shortened.

The block diagram which shows the structure of the vehicle-mounted navigation apparatus by this embodiment. Control flow chart for category search by control device Figure showing the top-level category list displayed on the display device Figure showing the middle category list displayed on the display Figure showing the lowest category list displayed on the display device Figure showing the facility list displayed on the display device The figure which showed the place where the facility list was displayed on the display apparatus by Embodiment 2. The figure which showed the place where the facility list was displayed on the display apparatus by Embodiment 3. Image diagram showing part of facility search data Figure showing the facility list displayed by the prior art

Explanation of symbols

  In the drawings, 1 is an in-vehicle navigation device, 2 is a control device (facility search data storage means, facility search means, display name change means, route search means), 3 is a position detector (current location detection means), and 5 is a group of operation switches. (Destination input means), 7 is a display device (search facility display means, route guidance means), 9 is a speaker (route guidance means), and 13 is a remote controller (destination input means).

Claims (5)

Facility search data storage means for storing facility search data in which facility names and addresses are grouped by category for a plurality of facilities in map data;
Facility search means for searching for facilities included in the specified category by specifying a category in the facility search data;
For each facility searched by the facility search means, the facility name is compared with the name of the designated category, and if the category name and the facility name are the same, the address of the facility is determined as the display name of the facility, If the category name and only the front part of the facility name are the same, the latter part of the facility name is determined as the display name of the facility, and if there is no part that matches the category name in the facility name, the facility name is displayed. Display name changing means determined as a name,
Search facility display means for displaying the display name of the facility determined by the display name changing means when a facility included in the category specified by the facility search means is searched;
Destination input means for selecting the display name of a desired facility from the display names displayed by the search facility display means and inputting it as a vehicle destination;
Current location detection means for detecting the current location of the vehicle;
Route search means for forming a guidance route on which the vehicle travels on the map data so as to connect the current location of the vehicle detected by the current location detection means and the destination of the vehicle input by the destination input means; ,
A vehicle-mounted navigation device comprising: route guidance means for guiding the course of a vehicle according to the guidance route formed by the route search means.   When searching for a facility by the facility search means, it is possible to specify a plurality of categories. When a plurality of categories are specified and a facility is searched, the display name changing means includes the determined display name. The vehicle-mounted navigation device according to claim 1, wherein a different identification mark is included for each of the categories specified in.   The facility search data storage means stores the display name determined in advance by the display name changing means before the facility is searched. When the facility is searched, the search facility display means stores the facility search. 3. The in-vehicle navigation device according to claim 1, wherein the display name stored by the data storage means is displayed.   The display name changing means omits a common area name from the address as the display name when addresses of a plurality of facilities determined as the display name are in a single area. The vehicle-mounted navigation apparatus in any one of thru | or 3.   5. The display name changing unit according to claim 1, wherein, when addresses of a plurality of facilities determined as the display name are distinguishable from each other, an end of the address as the display name is omitted. The on-vehicle navigation device described.

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