JP4394426B2 - Navigation device and history information display method - Google Patents

Description

  The present invention relates to a navigation device and a history information display method, and more particularly, to a navigation device and a history that make it easy to select a desired destination using a history of a destination set in the past and a place or facility that has been searched once. The present invention relates to an information display method.

  A navigation system mounted on a moving body such as an automobile (hereinafter, a case where a navigation apparatus is mounted on an automobile will be described as an example) guides driving of the automobile so that the driver can easily drive the automobile to a designated destination. (Guidance). Such a navigation system detects the position of a car and maps a region corresponding to the current position of the car from a data storage medium such as a CD-ROM (compact disk read only memory), DVD (digital versatile disk), or hard disk. The data is recalled, the map image is displayed on a monitor screen (display), and a mark representing the current position of the automobile is superimposed and displayed at a predetermined position on the map image.

  In addition, the navigation device holds the destination input in the past and the search result displayed as the search result as a history, and when the search is performed again by the user, the time when the stored history information is displayed And the function of displaying the searched times in order from the newest.

  The navigation device of Patent Literature 1 aims to efficiently store a user's travel history in a memory with a small capacity. For this reason, in patent document 1, parking history information is recorded on the management table shown in FIG. In this management table, the parking position information, the parking time information (including date and time) from which the parking position information was obtained, the parking time (period) information, and the number of times the parking position indicated by the parking position information was visited The number-of-parking information shown, the category information that is information corresponding to the location and the area including the parking position, and the expiration date information that sets the expiration date that should be stored in the memory for each piece of parking history information are provided. When the history menu screen is selected by the user, the parking history information sorted according to any of the above-described parking position, parking time, parking time, number of parkings, and category is displayed. For example, FIG. 11 shows a display example sorted by categories such as “restaurant”, “tourist spot”, and “convenience store”.

Japanese Patent Laid-Open No. 2001-50760

  In Patent Document 1 described above, parking history information is only sorted and displayed for each item such as a restaurant, a sightseeing spot, and a convenience store. For example, as shown in FIG. Next, the parking history information is displayed. For this reason, for example, when the facility to be searched is a facility of a category that is not frequently visited, a facility of this target category is displayed after a plurality of frequently used restaurant and convenience store information is displayed. Therefore, when the number of history information such as destinations set in the past and facilities searched once increases, it cannot be said that the time for finding the history information desired by the user can be shortened. It cannot be said that the display is easy to find.

  The present invention has been made in view of the above circumstances, and a navigation apparatus and history capable of easily selecting a desired destination using the history of destinations set in the past and facilities searched once. An object is to provide an information display method.

In order to achieve such an object, the navigation device of the present invention provides a database for storing map information and facility information in a navigation device that guides driving according to a guidance route to a destination by displaying a screen, and refers to the database. Then, information regarding the facility searched in the past and the time when the search was performed, and information regarding the facility previously set as the destination with reference to the database and the time when the setting was performed are stored as history information. Storage means, and control means for classifying the history information according to the time when the search and setting are performed and the genre of the facility, displaying the date information as a row, and displaying each of the genres of the facility as a column. It is characterized by having.

  Information related to the facility searched in the past and the time when the search was performed and information regarding the facility set as the destination in the past and the time when the setting was performed are stored as history information, and the history information is searched. In addition, they are classified and displayed according to the time when the setting is made and the genre of the facility. Therefore, even if the history information registered in the storage means increases, the history information is classified and displayed according to the time when the search and setting is performed and the genre of the facility, so that the desired destination and searched facility can be easily found. be able to.

Further, in the navigation device configured as described above, the genre is hierarchized, and the control means classifies the history information according to a genre that further refines the genre of the facility for each hierarchy, and sets date information as a row, The detailed genres may be displayed in a matrix as columns .

  By classifying genres and classifying and displaying history information for each hierarchy, the history information is further classified and organized. Therefore, it is possible to reduce the number of history information displayed on the display means at a time. Therefore, desired history information can be found more easily.

  In the navigation device having the above-described configuration, the control unit may be configured to display the information related to the searched facility and the information related to the facility set at the destination in different display forms.

  By displaying the information about the found facility and the information about the facility set at the destination in different display formats, it may be history information set at the destination in the past, or history that has been searched in the past. Can be easily determined.

  In the navigation device having the above-described configuration, the control unit may be configured to display the history information in a different display form according to a predetermined geographical condition with reference to the map information in the database.

  Since history information is displayed in different display forms according to a predetermined geographical condition, it is possible to clearly distinguish historical information in regions having different geographical conditions.

  In the navigation device having the above configuration, the control means may be configured to control display and non-display of the history information according to a predetermined geographical condition with reference to the map information in the database.

  Since the display and non-display of history information is controlled according to a predetermined geographical condition, it is possible to prevent the display of historical information in areas with different geographical conditions.

The navigation device according to the present invention is a navigation device that guides traveling according to a guidance route to a destination by display on a screen, a database storing map information and facility information, and a past search with reference to the database. Storage means for storing, as history information, information relating to the facility and the time when the search was performed, and information relating to the facility previously set as the destination with reference to the database and the time when the setting was performed, Referring to the map information in the database, the history information is classified according to the time when the search and setting are performed and the geographical information of the facility , the date information is a row, and the facility genre is a column as a column. And a control means for displaying.

  Information related to the facility searched in the past and the time when the search was performed and information regarding the facility set as the destination in the past and the time when the setting was performed are stored as history information, and the map information in the database is stored. Referring to the history information, the history information is classified and displayed according to the time when search and setting are performed and the geographical information of the facility. Therefore, even if the history information registered in the storage means increases, the history information is classified and displayed according to the search and setting time and the geographical information of the facility. Can be found in

The history information display method of the present invention is a history information display method of a navigation device that guides traveling according to a guidance route to a destination by display on a screen, and refers to a database that stores map information and facility information. Information regarding the facility searched in the past and the time when the search was performed, and information regarding the facility set as the destination in the past with reference to the database and the time when the setting was performed are stored as history information The history information storage step stored in the storage means and the history information stored in the storage means are classified according to the time when the search and setting are performed and the genre of the facility , the date information is set as a row, and each genre of the facility is And a history information display step of displaying a matrix as a column .

  Information related to the facility searched in the past and the time when the search was performed and information regarding the facility set as the destination in the past and the time when the setting was performed are stored as history information, and the history information is searched. In addition, they are classified and displayed according to the time when the setting is made and the genre of the facility. Therefore, even if the history information registered in the storage means increases, the history information is classified and displayed according to the time when the search and setting is performed and the genre of the facility, so that the desired destination and searched facility can be easily found. be able to.

  According to the present invention, it is possible to easily select a desired destination by using a destination set in the past and a history of a place or facility that has been searched once.

  Next, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

  First, the configuration of the present embodiment will be described with reference to FIG. As shown in FIG. 1, the navigation apparatus 1 of this embodiment includes a database 10, a disk driver 11, an operation unit 12, a communication device 13, a vehicle speed sensor 14, a GPS receiver 15, a gyro sensor 16, a VICS sensor 17, and a reverse sensor. 18, the navigation controller 20, the display 40, and the speaker 41 are included.

  The disk driver 11 reads various map data necessary for map display, route search, and the like and program data from the database 10 as necessary. A recording medium such as a CD-ROM, DVD, or HDD can be used as the database 10 in which various map data and program data are recorded. The operation unit 12 is a remote controller or input keys for the user to input various instructions to the navigation controller 20. The communication device 13 includes a vehicle-mounted telephone for communicating with a service center (a service center of a manufacturer or other organization). The vehicle speed sensor 14 outputs a vehicle speed corresponding to a pulse generated at every constant travel distance. The GPS receiver 15 receives a GPS signal sent from a GPS satellite and detects the current vehicle position and vehicle direction. More specifically, the GPS receiver 15 receives radio waves transmitted from a plurality of GPS satellites, performs three-dimensional positioning processing or two-dimensional positioning processing, calculates the absolute position and direction of the vehicle, and Is output together with the positioning time. The gyro sensor 16 is a sensor for detecting the vehicle direction. The vehicle azimuth is calculated by sampling a predetermined number of azimuths determined from the current vehicle position at the present time and the vehicle position one sampling time before ΔT.

  The VICS sensor 17 receives traffic information provided from the VICS center via an optical beacon or a radio beacon. When the vehicle passes under a transmitter that transmits this optical beacon or radio wave beacon, road information is transmitted from the transmitter to the vehicle. This road information includes transmitter position data. The reverse sensor 18 outputs a signal indicating reverse travel of the vehicle. The vehicle speed sensor 14, the gyro sensor 16, and the reverse sensor 18 enable autonomous navigation, and complement navigation using GPS. This navigation apparatus 1 grasps | ascertains the own vehicle position correctly by these sensors.

  Based on the image data output from the navigation controller 20, the display 40 displays a map image around the host vehicle together with a vehicle position mark, a departure point mark, a destination mark, etc., and a guide route or a detour route on this map. Or display a guidance route. The speaker 41 outputs various messages to the user based on the audio data output from the navigation controller 20.

  The navigation controller 20 includes a buffer memory 21, interfaces (I / F) 22 to 28, a control unit 29, a map drawing unit 30, an operation screen / mark generation unit 31, a route storage unit 32, a route drawing unit 33, and a mark storage unit 34. , A mark drawing unit 35, an image composition unit 36, a history memory unit 37, an audio output unit 38, and a connection ID storage unit 39.

  The buffer memory 21 temporarily stores map data and programs read from the recording medium by the disk driver 11. The interfaces 22 to 28 are connected to the operation unit 12, the communication device 13, the vehicle speed sensor 14, the GPS receiver 15, the gyro sensor 16, the VICS sensor 17, and the reverse sensor 18, respectively, and form an interface with the control unit 29.

  The control unit 29 is configured by a microcomputer, for example, and controls the navigation controller 20 as a whole. For example, the control unit 29 processes the GPS signal of the GPS receiver 15 and the output signals of the vehicle speed sensor 14, the gyro sensor 16, the reverse sensor 18, and the VICS sensor 17 for autonomous navigation to determine the vehicle position and vehicle direction. Various processes related to navigation, such as searching for a route from the departure point to the destination, under the search conditions set using the calculated map data or the read map data, are executed. Further, the control unit 29 has a timekeeping function, and can calculate the average vehicle speed of the own vehicle from the output signal from the vehicle speed sensor 14 as necessary.

  The map drawing unit 30 performs a map image drawing process using the map data read to the buffer memory 21. The operation screen / mark generating unit 31 generates various menu screens (operation screens) and various marks such as a vehicle position mark and a cursor according to the operation status. The route storage unit 32 stores guidance route data searched by the control unit 29. Specifically, the route storage unit 32 is changed during the search for data on all nodes (coordinates of points displayed in longitude and latitude) from the starting point to the destination of the guidance route searched by the control unit 29. Memorize the guidance route data.

  The route drawing unit 33 reads the guidance route data (node sequence) from the route storage unit 32 and draws the guidance route with a color and line width different from those of other roads. The mark storage unit 34 relates to a predetermined shape icon (brand icon, category icon, etc.) given as information indicating the position of the target property on the map screen and a simple shape mark given instead of this icon. Data is stored in advance. The mark drawing unit 35 performs a drawing process on the data read from the mark storage unit 34 based on the control of the control unit 29. The image synthesis unit 36 synthesizes the images output from the map drawing unit 30, the operation screen / mark generation unit 31, the route drawing unit 33, and the mark drawing unit 35 and outputs them to the display 40.

  The audio output unit 38 outputs an audio signal to the speaker 41 based on the signal from the control unit 29. The connection ID storage unit 39 stores service center addresses, connection IDs, passwords, and the like of manufacturers and other organizations. The history memory unit 37 is composed of a nonvolatile memory such as an EEPROM or a flash memory, and stores various data to be backed up. For example, information such as a destination set in the past and a facility where a search is performed is registered together with information on a set time and a search time.

  As described above, the navigation device 1 has general functions of the navigation device such as a route search function, and guides the mounted vehicle to a set destination. For example, there is a function of searching for facilities registered in advance and setting a destination. This function will be described. The database 10 stores, for example, data on facilities such as convenience stores, gas stations, restaurants, etc., classified by genre. When the facility search is designated by the user, the control unit 29 searches for and extracts the facility corresponding to the designated search condition. For the extracted facilities, calculate the relative positional relationship between the location and the vehicle position, and reflect the relative positional relationship, the vehicle position mark and the facility mark (marks indicating the location of surrounding facilities) The drawing data for displaying the predetermined facility information image in which is arranged is generated and stored in the buffer memory 21. The drawing data stored in the buffer memory 21 is output to the display 40 via the map drawing unit 30 and the image composition unit 36, and a predetermined facility information image is displayed on the screen of the display 40.

  The navigation apparatus according to the present embodiment can easily find the history information desired by the user when determining the destination using the history information such as the destination set in the past and the searched facility. The display is displayed on the display 40.

  Therefore, in this embodiment, when the destination setting is input by the operation unit 12, the control unit 29 calculates the route to the set destination and displays it on the display 40, and is also set as the destination. The location and facility are recorded in the history memory unit 37. When the facility search request is input, the control unit 29 searches for a facility that satisfies the requested condition and displays it on the display 40, and records the obtained facility information in the history memory unit 37.

  A history information management table created in the history memory unit 37 will be described with reference to FIG. The control unit 29 registers the information on the facility and place set as the destination and the searched facility and place information in the history information management table 60 and keeps a history. In the history information management table 60, as shown in FIG. 3, the location information (latitude and longitude information) of the destination and the search target in the past, the name of the destination and search target, the purpose, Information for identifying whether it is set as a place or a searched facility and the time set at the destination or the time when the search was performed are recorded.

[Display Example 1]
Next, a case where the user inputs a destination setting request using history information will be described. When a destination setting request using the history information is input by the user, the control unit 29 refers to the history memory unit 37 and causes the display 40 to display the history information. FIG. 4 shows a display example 1 displayed on the display 40. In this display example 1, the history information is classified according to the date and the genre such as meal, car or shopping. In this way, by displaying the destination and searched facility according to the date and genre, the user can search for the target facility or place in a short time.

  In this embodiment, other accompanying information is displayed simultaneously by changing the display form such as changing the character color, adding a background color to the character, or changing the character type. For example, in the display example shown in FIG. 4, “A restaurant” 50 with the background color added to the character indicates that the user is in the same city or prefecture as the city or prefecture where the user is currently located, and the background color is added. The “C department store” 51 is not in the same area (city) as the area where the user is currently located (city). In other words, different display forms are displayed depending on the geographical conditions of the facility. In the display example shown in FIG. 4, “B parking” 52 displayed in bold letters indicates that the facility has been set as a destination in the past, and “D Yakiniku” 53 displayed in fine letters. Indicates that the facility has been searched in the past. In addition, in this embodiment, those that are not in the same area as the city or prefecture where the current position is located are displayed, but destinations outside the area and facilities searched in the past may not be displayed. .

[Display Example 2]
In the display example 1 shown in FIG. 4, different genres such as meals, cars, and shopping are displayed together. However, as shown in FIG. The user may then select and display the destination of the selected genre or the facility that has been searched as shown in FIG. 5B. That is, the genre is further subdivided and displayed on the hierarchical display 40. Since such a display can reduce the number of information items displayed on the screen at a time, the user can more easily find a target facility or place.

  In the display examples of the display 40 shown in FIG. 4 and FIG. 5B, the destinations and searched facilities are displayed in a tabular form, but are displayed by tags as shown in FIG. Also good. In this case, as shown in FIG. 6, the user can display a tag in which the destination of the selected genre and the facility searched in the past are displayed by selecting the tag of the desired genre.

  Further, depending on the display 40, not all items are displayed as in the display example shown in FIG. 4, but only some items are displayed as shown in FIG. Items that are not displayed may be displayed. By setting it as such a display, the size of the character displayed on the display 40 can be enlarged, and it can be set as a legible character size.

[Display Example 3]
In Display Examples 1 and 2, destinations and facilities searched in the past are displayed separately for each genre, but in Display Example 3, they are displayed classified by location (geographical condition) and date. Yes. For example, in the display example shown in FIG. That is, when the user is in Fukushima Prefecture, the destination and the facility searched in the past are displayed for Fukushima Prefecture and each adjacent prefecture. Further, in the display example shown in FIG. 8B, the information is displayed for each municipality. That is, when the user is in Iwaki City, the destination set in this Iwaki city and the facility searched in the past, and the destination set in neighboring Ishikawa-gun, Shirakawa City, etc. and the facility searched in the past Information is displayed.

  By displaying such a display on the display 40, the user can perform more efficient destination selection. In addition, in this display example 3, although the display distinguished for every prefecture and the municipality is mentioned as an example, the display classified according to the distance from the position where the user is present, and movement time may be displayed.

  Next, the operation procedure of the control unit 29 that performs destination search using the accumulated history information while accumulating the history information in the history memory unit 37 will be described with reference to the flowchart shown in FIG. First, when the destination setting is input from the user (step S1), the control unit 29 calculates and displays a route to the set destination (step S2) and is set as the destination. The place and facility are recorded in the history memory unit 37 (step S3). Information such as destination position information, name, information indicating that the destination has been set, and set time is recorded in the history information management table 60 shown in FIG. 3 (step S3).

  Next, it is determined from the destination search displayed on the display 40 whether or not a facility search request based on history has been input from the operation unit 12 (step S4). When the facility search request using the history is input by the operation unit 12 (step S4 / YES), the facility that satisfies the requested condition is searched, and the search result is displayed on the display 40. The facility information obtained by the search is recorded in the history memory unit 37 (step S5). The history information management table 60 shown in FIG. 3 records the location information of the search facility, the name, information indicating that the facility is searched, and information such as the search time (step S5).

  Next, the control unit 29 determines whether or not a destination setting request using the history is input by the user (step S6). When a destination setting request using the history is input (step S6 / YES), the display shown in FIG. 4 is displayed on the display 40 (step S7). That is, the control unit 29 refers to the history memory unit 37 to classify past destinations and search facilities based on the date and genre, and classifies past destinations and search facilities based on the date and genre as shown in FIG. The displayed display is displayed on the display 40. (Here, the procedure for displaying the display example shown in FIG. 4 will be described for ease of explanation, but other displays shown in FIGS. 5 to 8 may be used).

  The user searches for a destination while viewing the display classified by time and genre shown in FIG. When the desired destination is found, the operation unit 12 performs input for selecting the destination. When the destination selection input is input by the user (step S8 / YES), the control unit 29 calculates a route to the selected destination and displays it on the display 40 (step S10). If the destination selection input is not input even after a predetermined time has elapsed (step S9 / YES), the display display is terminated and the process is terminated.

  The above-described embodiment is a preferred embodiment of the present invention. However, the present invention is not limited to this, and various modifications can be made without departing from the scope of the present invention. For example, in the above-described embodiment, both the facility and place set as the destination as the history information and the facility extracted by the search are recorded, but only one of them may be recorded.

1 is a block diagram showing a configuration of a navigation device 1. FIG. It is a figure which shows the example of a display of the conventional history information. It is a figure which shows the structure of the log | history information management table. 6 is a diagram showing a display example 1 displayed on a display 40. FIG. It is a figure which shows the example 2 of a display displayed on the display 40, (A) shows a genre selection screen, (B) is a figure which shows the example of a display of the log | history information of the selected genre. FIG. 12 is a diagram showing another display example displayed on the display 40. It is a figure which shows the other example of a display displayed on the display 40. FIG. 11 is a diagram showing a display example 3 displayed on the display 40. FIG. It is a flowchart which shows an operation | movement procedure. It is a figure which shows the structure of the management table of the conventional navigation apparatus disclosed by patent document 1. FIG. It is a figure which shows the example of a display of the conventional navigation apparatus disclosed by patent document 1. FIG.

Explanation of symbols

1 Navigation device
DESCRIPTION OF SYMBOLS 11 Disk driver 12 Operation part 13 Communication apparatus 14 Vehicle speed sensor 15 GPS receiver 16 Gyro sensor 17 VICS sensor 18 Reverse sensor 20 Navigation controller 21 Buffer memory 22-28 I / F 29 Control part 30 Map drawing part 31 Operation screen and mark generation Unit 32 Route storage unit 33 Route drawing unit 34 Mark storage unit 35 Mark drawing unit 36 Image composition unit 37 History memory unit 38 Audio output unit 39 Connection ID storage unit 40 Display 41 Speaker 60 History information management table 70 Scroll bar

Claims (7)

In a navigation device that guides driving according to the guidance route to the destination by display on the screen,
A database for storing map information and facility information;
Information related to the facility searched in the past with reference to the database and the time when the search was performed, and information related to the facility set as the destination in the past with reference to the database and the time when the setting was performed Storage means for storing history information;
Control means for classifying the history information according to the time when the search and setting are performed and the genre of the facility, displaying date information as a row, and displaying each of the genres of the facility as columns
A navigation device comprising: The genres are hierarchized, and the control means classifies the history information according to genres that further refine the genre of the facility for each hierarchy, sets date information as rows, and sets each of the detailed genres as columns. 2. The navigation apparatus according to claim 1, wherein the navigation apparatus displays a matrix. The navigation device according to claim 1, wherein the control unit displays information on the searched facility and information on the facility set at the destination in different display forms. The navigation according to any one of claims 1 to 3, wherein the control means displays the history information in a different display form according to a predetermined geographical condition with reference to the map information in the database. apparatus. 5. The control unit according to claim 1, wherein the control unit controls display or non-display of the history information according to a predetermined geographical condition with reference to the map information in the database. Navigation device. In a navigation device that guides driving according to the guidance route to the destination by display on the screen,
A database for storing map information and facility information;
Information related to the facility searched in the past with reference to the database and the time when the search was performed, and information related to the facility set as the destination in the past with reference to the database and the time when the setting was performed Storage means for storing history information;
Referring to the map information in the database, the history information is classified according to the time when the search and setting were performed and the geographical information of the facility , the date information is a row, and each of the facility genres is a column Control means for displaying a matrix;
A navigation device comprising: A history information display method of a navigation device that guides traveling according to a guidance route to a destination by display on a screen,
Information related to facilities searched in the past with reference to a database storing map information and facility information, the time when the search was performed, and information related to facilities set as destinations in the past with reference to the database A history information storage step for storing the time when the setting is performed in the storage means as history information;
A history information display step of classifying the history information stored in the storage unit according to the time when the search and setting are performed and the genre of the facility, displaying the date information as a row, and displaying each of the genres of the facility as a column. When,
A history information display method characterized by comprising:

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