JP2009168713A - Navigation device, program and navigation method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain information related to parking lots around a destination at a further appropriate time in a navigation device so as to be reflectable to a route guide to a parking lot. <P>SOLUTION: The navigation device includes a position acquisition means which obtains a current location; an information acquisition means which obtains information for each parking lot around a destination; a selection means which selects any one parking lot as a guide object based on the information for each parking lot obtained by the information acquisition means; a search means which searches a route from the current location in the selection of the parking lot to the parking lot; and a guide means which guides the route searched by the search means. The navigation device further includes a control means which re-executes, on the basis of that the guide of the route searched by the search means becomes impossible (steps 71 and 72), the acquisition of information by the information acquisition means (step 73), the selection by the selection means, the route search by the search means, and the route guide by the guide means (step 74). <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a navigation device for guiding a parking lot around a destination, a program for causing a computer to function as the navigation device, and a navigation method suitable for the navigation device.

  Conventionally, as a navigation device mounted on a vehicle, the location information including the type of parking lot around the set destination and the selection conditions for selecting the parking lot are acquired, and the optimum according to the location information and the selection conditions There is known one that selects a simple parking lot (see, for example, Patent Document 1). The location information includes information on whether or not there is a communication passage that can avoid bad weather between the destination and the parking lot, and the selection conditions include the type of parking lot and weather information.

  FIG. 12A shows a screen displaying the search result of the parking lot existing within the predetermined range of the set destination “facility A” together with the distance from the destination in this apparatus. When the “Information” button is pressed on this screen, the location information and weather information of each parking lot are acquired and displayed as shown in FIG. As parking lot information, whether indoor, covered, or outdoor, or the presence or absence of a communication passage with the facility A is displayed. FIG. 6B is displayed when the weather information is clear or cloudy and bad weather is not expected. FIG. 6C is displayed when bad weather such as rainy weather or strong wind is predicted by the weather information.

  When the “distance priority” button is pressed in the case of FIG. 5B, a guide route from the current position to the parking lot PA selected as the first candidate is searched, and route guidance is performed. When a region other than the parking lot PA, such as “parking lot PB”, is pressed, route guidance to the parking lot PB is performed. When the “weather priority” button is pressed in the case of FIG. 5C, route guidance to the parking lot PB is performed. When the “distance priority” button is pressed, route guidance to the parking lot P1 is performed. In the example of FIG. 6C, when the parking lot PB is selected, when the parking lot PB arrives, a map including the facility A and the parking lot PB as the destination is displayed. It is also possible to show the route up to the map in a superimposed manner. According to this, it is possible to select a parking lot or the like that can go without getting wet even without using rain gear to the destination, and the user can arrive at the target facility comfortably after getting off the vehicle It is supposed to be possible.

  Also, as another navigation device, when searching for a route from the departure point to the destination, route guidance information that takes into account congestion when leaving the parking lot is provided, and the user decides the route A device that can be easily compared is also known (see, for example, Patent Document 2). In this device, a parking lot around the destination is searched, the required time between the destination and each parking lot is displayed, and the route is determined by the user.

  FIG. 13 shows one screen in this apparatus. On this screen, it is selected that the route guidance to the second destination, that is, the acquisition of the composite route information RGI is selected (43h), and the scheduled time “20:30” that leaves the first destination “○ △ Stadium”. ”And the second destination“ home ”are set, and the“ route search ”button 43k is pressed, the route search is executed, and the search result is displayed as shown in FIG. That is, on the map 43b, a start flag 43m indicating the current position of the vehicle, a goal flag 43n indicating the first destination, a parking mark 43o indicating the positions of three parking lots based on a maximum of three composite route information RGI, And the index 43p which shows each guidance route to a parking lot is displayed. In addition, on the list screen 43L, transportation means, distance, and required time for each guide route based on a maximum of three composite route information RGI are displayed. The user can select one of the routes by pressing any one of the determination buttons 43q to guide the route.

  In addition, as another navigation device, it is possible to obtain parking information near the destination that meets the conditions that the user wants to use when the user wants to know, and the parking information can be obtained before the destination. An apparatus that can be automatically acquired is also known (for example, see Patent Document 3). In this device, information on a parking lot that conforms to the parking conditions set by the user is acquired in front of the destination, and is used for selection of the parking lot by the user, and the route to the selected parking lot is guided. ing.

  FIG. 15 shows a display screen in this apparatus. When the destination is set in this apparatus, a map around the destination is displayed as shown in FIG. When the “parking condition” button is pressed on this screen, a parking condition setting menu screen as shown in FIG. When the “Vehicle Condition” button is pressed on this screen, the screen shown in FIG. 5C is displayed, and the vehicle type setting and the vehicle size (width, length, height) are adjusted to the specifications of the vehicle. It can be set arbitrarily. When the “parking fee condition” button is pressed, the screen shown in FIG. 5D is displayed, and an upper limit value for the hourly charge or the daily charge can be set. When the “travel time condition” button is pressed, the screen shown in FIG. 5E is displayed, and an upper limit value of the travel time (walking time) from the parking lot to the destination can be set. When the “movement route condition” button is pressed, the screen shown in FIG. 5 (f) is displayed. As a movement (walking) route from the parking lot to the destination, the weather is not concerned even in rainy weather. It is possible to set whether or not to select a parking lot having a passage (rain passage) that can reach the destination.

  After these settings have been made, the device determines that there has been an input of a destination parking information acquisition button provided on the operation unit, or if the current position is located in front of the set destination. When it determines, the parking information of the destination suitable for the set parking conditions is acquired and displayed as shown in FIG. In this figure, names of two parking lots, business hours, parking fees, etc. are displayed for the destination (XX store). The user can refer to the parking lot information, select a parking lot to be used, and guide the selected parking lot. At that time, if the parking lot information of the selected parking lot includes the empty vehicle location information, when you arrive at the parking lot, a plane map with an empty vehicle mark on the empty vehicle location as shown in (h) of the figure is displayed. Display and guide the location of the empty vehicle.

  FIG. 16 shows the contents of a database used when acquiring parking lot information. The data items include registration number, parking lot name, address, number of parking lots, business hours, parking fee, structure / style, parking space, full availability information, and nearby facilities. In the registration No. field, an identification number assigned so that each area can be identified is registered, and in the parking fee field, parking fee per unit time (10 minutes, 1 hour, 1 day, etc.) is registered. Information is registered, and information on the structure and style of parking lots such as flat parking, three-dimensional parking, self-propelled, and mechanical is registered in the structure / style item column. Also, parking space (width, length, height) information is registered in the parking space item column, and full / empty information and the presence / absence of empty vehicle location information are registered in the full space information column. Is done. In FIG. In the A0001 full / vacancy information, it is registered that there are 15 vacant ordinary cars and there is empty vehicle location information. In addition, in the facility field, the facility information in the vicinity of the parking lot is registered by classifying according to the travel time from the parking lot (within 1 minute, 3 minutes, within 5 minutes, etc.). Facility information that is communicated through a rain-proof passage that can be reached without worrying about the weather even in rainy weather is registered through an underpass or a covered passage.

JP 2006-275738 A JP 2003-57057 A Japanese Patent Laid-Open No. 2005-4407

  In the above-described prior art, when a parking lot around a destination is searched and a parking lot is selected, in addition to guidance from the current location to the parking lot, guidance from the parking lot to the destination is performed. Yes. That is, the route search is performed by setting the parking lot like a stop-off point to the destination, and the route guidance is performed based on the result.

  In order to perform this smoothly, the navigation device acquires information about the parking lots around the destination, searches and narrows the parking lots based on the acquired information and preset conditions, and sends the search results to the user. A series of operations such as presenting, accepting a selection of a parking lot by the user, and performing route guidance based on the selection are necessary. Here, the following problems can be considered.

  That is, these series of operations need to be processed in real time. If the real-time property is impaired, the actual situation changes from the acquired information content, and therefore a series of operations must be completed within a certain time. However, in practice, it is difficult to predict when the situation will change, and it is unclear how much real-time performance should be ensured. As long as user operations are involved, it is almost impossible to obtain complete real-time performance.

  In order to ensure even a little real-time performance, conditions are set in advance, and the search is narrowed down by searching on the navigation system side. However, the conditions set in advance are not constant and may vary depending on the purpose, time, location, etc. is expected. In addition, there may be cases where the condition is not hit. In such a case, the narrowing search is manual and may be complicated. In the conventional example of FIG. 12, weather information and the like are also provided as narrowing conditions. However, when weather information is used as a condition, the number of ambiguous condition items increases. As the number of ambiguous conditions increases, it will become more difficult to ensure real-time performance.

  In order to ensure the real-time property, it is conceivable to adopt a push type as a distribution means. The push method is a distribution method in which information is sent semi-forcibly from the system side, not based on a true request from a user. Therefore, more information than necessary may be provided. Then, not only will the user be confused, but communication costs for extra information will be added. That is, according to push distribution, information that seems to be unilaterally excessive is sent from the server system side, and such information cannot be processed by a driver during driving, and is often troublesome.

  On the other hand, in order to perform a refinement search under preset conditions, it is necessary to unify the information distribution system of the parking lot and the contents thereof. If there are a plurality of them, it is necessary to edit (author) the provided information into a unified format and content.

  Further, when the communication system is improved and the amount of information per unit is increased, there is a possibility that distribution contents are added accordingly. For example, in the case of an airport parking lot, when a category such as whether it is a short stay or a long stay is added, in order to effectively use that category, set the conditions according to the type of destination It becomes necessary to do it, and it becomes complicated.

  An object of the present invention is to take into account such problems of the prior art, and to obtain information on a parking lot around the destination at a more appropriate timing in the navigation device and reflect it in route guidance to the parking lot. There is to be able to do it.

  In order to achieve this object, the navigation device according to the first invention is obtained by a position acquisition unit that acquires a current position, an information acquisition unit that acquires information on each parking lot around the destination, and the information acquisition unit. Selection means for selecting one of the parking lots as a guidance object based on the information on each parking lot, search means for searching a route from the current position to the parking lot at the time of selection of the parking lot, and the search A guide means for guiding the route searched for by the means, and acquisition of information by the information acquisition means, selection by the selection means, and search means based on the fact that the guidance of the route searched for by the search means has become impossible And a control means for re-executing route search and route guidance by the guidance means.

  Here, as a case where guidance of the searched route becomes impossible, for example, when the route deviates from the guide route, or when the guide route becomes inappropriate due to sudden traffic congestion, the guide route is changed. Is applicable. The searched route is guided by, for example, displaying a map in the vicinity of the current position and displaying the guide route, the current position, the traveling direction, and the like on the map. Voice guidance may be used.

  In this configuration, when information on each parking lot around the destination is acquired by the information acquisition unit, the selection unit selects one of the parking lots as a guidance target based on this information. In response to this, the search means searches for a route from the current position to the selected parking lot. Based on the searched route, the guidance means performs guidance. During this time, if guidance of the searched route becomes impossible, the control unit again executes acquisition of information by the information acquisition unit, selection by the selection unit, route search by the search unit, and route guidance by the guidance unit. Thereby, even when the information on the parking lot is changed when the guidance of the searched route becomes impossible, the selection of the parking lot corresponding to the change, the route search, and the route guidance can be performed.

  A navigation device according to a second invention is the navigation device according to the first invention, wherein the selecting means selects a recommended parking lot in accordance with a predetermined search condition based on the information of each parking lot acquired by the information acquiring means. Searching means for searching is provided, and the parking lot searched by the searching means is selected as a guide object.

  The navigation device according to a third invention is the navigation device according to the first or second invention, wherein the selection means presents the information of each parking lot acquired by the information acquisition means to the user, and each parking lot by the user. Selection means for accepting any of the selections, and the parking lot selected by the selection means is selected as a guide object.

  A navigation device according to a fourth invention is the navigation device according to the third invention, wherein the presenting means displays a list of information on each parking lot for each predetermined item, and the navigation device displays the list display for the user. In accordance with an instruction, there is provided sorting means for sorting by designated items, and changing means for changing the parking lot selected by the selection means based on the result of sorting by the sorting means.

  The navigation device according to a fifth aspect of the invention relates to the fourth aspect of the invention, and reflects the situation related to the predetermined environment when the sorting by the sorting means is performed and the sorting items in the subsequent selection of the parking lot by the selecting means. It has the means.

  A navigation device according to a sixth invention is the navigation device according to any one of the third to fifth inventions, wherein the presenting means displays a list of information on each parking lot for each predetermined item, and the navigation device includes: According to a user's instruction | indication, it has the filter means which excludes the display about an applicable parking lot based on the designated filter conditions.

  The navigation device according to a seventh aspect of the present invention is the navigation system according to the sixth aspect of the present invention, in which a situation relating to a predetermined environment when the display is excluded by the filter means and a filter condition are selected at the time of selecting a parking lot by the selection means. It has the means to reflect, It is characterized by the above-mentioned.

  The navigation device according to an eighth invention is the navigation device according to any one of the third to seventh inventions, wherein the presenting means displays the information of each parking lot for each parking lot according to the expression format at the information provider. It is characterized by being.

  A program according to a ninth invention causes a computer to function as each unit in the device according to any one of the first to eighth inventions.

  A navigation method according to a tenth invention is a navigation method in a navigation device, wherein the position acquisition means acquires a current position, and the information acquisition means acquires information on each parking lot around the destination. An information acquisition step, a selection means for selecting one of the parking lots as a guidance object based on the information of each parking lot acquired by the information acquisition means, and a search means for parking by the selection means. A search step for searching for a route from the current position to the parking lot at the time of selection of the parking lot, a guidance step for guiding the route searched for in the search step, and a control unit are searched for in the search step. The information acquisition step by the information acquisition means, the selection step by the selection means, the search step by the search means, Characterized by comprising a control step of executing the guidance process again by fine guiding means.

  According to the present invention, when guidance of the searched route becomes impossible, acquisition of parking lot information, selection of a parking lot to be guided, search for a route to the parking lot, and searching Since the start of guidance based on the route is executed, even when the parking lot information changes when the guidance of the searched route becomes impossible, the selection of the parking lot corresponding to the change, the route search, Can provide route guidance

  FIG. 1 is a block diagram showing a configuration of a navigation apparatus according to an embodiment of the present invention. As shown in the figure, this device includes a processing unit 11 that performs necessary information processing and control of each part of the device, a storage unit 12 that stores map data, a communication unit 13 that performs wireless communication with the outside, and a device. A position information acquisition unit 14 for acquiring information on the current position of the user, an operation unit 15 for performing an operation for giving an instruction to the processing unit 11 by the user, and a display unit 16 for displaying information given to the user by the processing unit 11 And the processing unit 11 includes an audio output unit 17 for giving information to the user by audio.

  As the storage unit 12, for example, a hard disk device, a DVD drive, a semiconductor memory, or the like can be used. Although the processing unit 11 can acquire map data from the storage unit 12, it may be acquired from a predetermined dedicated server via the communication unit 13. The processing unit 11 can communicate with a dedicated server via a general telephone line network or the Internet via a predetermined base station by the communication unit 13. The dedicated server holds the latest search data and map data, and performs route search and provision of information on parking lots upon request. As the parking lot information, for example, information shown in FIG.

  The position information acquisition unit 14 includes a GPS receiver that receives GPS signals. In addition to this, a vehicle speed sensor that detects the speed of the vehicle on which the navigation device is mounted, or a gyro sensor that detects the traveling direction of the vehicle may be used. The processing unit 11 can acquire the current position based on information from the GPS receiver or the like of the position information acquisition unit 14. The operation unit 15 includes various operation keys, a touch panel provided on the display unit 16, a remote controller, and the like. The processing unit 11 accepts destination setting, displays a map in the vicinity of the current position, displays the current position and set route on the map, and displays various other information according to an instruction given by the user via the operation unit 15. , And output guidance voice.

  FIG. 2 shows an example of a map screen displayed on the display unit 16. This screen shows a state where a vehicle equipped with a navigation device arrives in the vicinity of the destination while the destination is set. In the figure, 21 is the destination displayed on the map screen, 22 is an icon indicating the current position and traveling direction of the vehicle displayed on the map screen, and 23a to 23c are the destination 21 displayed on the map screen. A surrounding parking lot 24 is a guide route to the destination displayed on the map screen. However, in this example, there is also a parking lot at the destination 21.

  FIG. 3 shows a state when the navigation apparatus acquires information related to the parking lot around the destination 21 on the map screen of FIG. FIG. 3 shows an initial state where no user operation is performed immediately after the parking lot information is acquired. Acquisition of parking lot information is performed in response to a user instruction or in response to a vehicle reaching a predetermined distance from the destination 21. The parking lots of the parking lots 23a to 23c and the destination 21 are given a recommended rank by sorting predetermined information items based on the obtained parking lot information of each parking lot. Characters “P0” to “P3” indicating the recommended order are attached to the display of the parking lots 23 a to 23 c and the destination 21. The recommended order is from “P0” to “P3” in descending order.

  In addition, since a parking lot can be selected easily in subsequent operation, the display of the recommendation order | rank on a map screen is not essential. In the initial state immediately after the acquisition of the parking lot information, the parking lot with the recommended order P0 is selected as a target for guidance. In the example of FIG. 3, the parking lot 23a is the selected parking lot. Here, the selected parking lot is clearly shown to the user by changing the background color in the display of the selected parking lot to something different from the display of other parking lots.

  In the screen of FIG. 3, as the guide route, instead of the guide route 24 to the destination 21 in FIG. 2, a guide route 25 to the parking lot 23a which is the selected parking lot is displayed. There is a parking lot 23a when the intersection 31 ahead of the vehicle traveling direction indicated by the icon 22 is turned to the right, but the intersection 31 is not allowed to turn right, so the guide route 25 turns right at the T-junction in front of the intersection 31. The route to the parking lot 23a is shown. 3 in FIG. 3 is a guide route by foot from the parking lot 23a to the destination. 27u and 27d are selection buttons for selecting a parking lot while sending in the recommended order or vice versa, and 28 is an information display button for shifting to a detailed information screen for displaying detailed information about the selected parking lot. Information on the selected parking lot is displayed on the information display button 28. This information includes a parking fee, a distance to the parking lot, a distance from the parking lot to the destination, a time to the destination, and the like.

  By referring to the map screen of FIG. 3, the user can easily guess the following points. That is, (1) The parking lot 23a seems to be favorable, but according to the guide route 25 to the parking lot 23a, it is necessary to immediately change the lane and prepare for a right turn, and (2) it is attached to the destination 21 Based on the display of “P2”, there is also a parking lot at the destination 21 and it may be recommended first, but for some reason, the recommendation rank is lowered, and ( 3) The reason is that the search for the parking lot is based on conditions such as the distance from the parking lot to the destination, the waiting time, the parking fee, the weather, etc., so there is a waiting time easily. Can be guessed. Furthermore, it is self-evident that the parking lot in the same building as the destination is the most preferable when the distance is short or bad weather, and the parking fee is generally also the destination. If there is a receipt or the like that is proof that the facility is used, it will be free or low. Therefore, the reason why the recommended order of the parking lots at the destination 21 is low is that the user is (a) the search is made without a receipt or the like, or (b) the free or low charge time is as short as 30 minutes, etc. Or (c) It is considered that the arrival time including the waiting time is between the parking lots 23c and 23b.

  In order to confirm this guess, the user may display the information about the car park on the information display button 28 by selecting the parking lot of the destination 21. The selected parking lot is changed to the selected parking lot. The selection of the parking lot of the destination 21 may be performed by touching the icon of the destination 21 or may be performed using the selection buttons 27u or 27d. At that time, the background color of the display of the parking lots sequentially selected is, for example, yellow so that it can be seen that it has been selected. When the parking lot of the destination 21 is selected, if the parking fee is 0 yen, it can be seen that the arrival time at the destination considering the waiting time is between the parking lot 23b and the parking lot 23c.

  FIG. 4 shows an example of the detailed information screen. This screen shows detailed information about the parking lot selected on the map screen of FIG. 3, and is displayed when the information display button 28 is pressed. 41 in the figure is a map display button for returning to the map screen of FIG. 3, and 42 is a list display button for displaying a list screen relating to parking lots to which recommended rankings P0 to P3 are assigned.

  The detailed information screen of FIG. 4 shows a screen example when the parking lot of the destination 21 is selected. That is, the recommended ranking “P2” for the parking lot of the destination 21, the name “ABC department store”, the empty vehicle status “full”, the distance from the current location and the time “760 m / 7 minutes”, the walking distance to the destination 21, and The time “0 m / 0 minutes”, the waiting time “about 10 minutes”, the parking fee and the available time “from 10 am to 8 pm” are displayed. The parking fee is free for 30 minutes, 60 minutes, 120 minutes, or 360 minutes when the amount of the shopping receipt is 2000 yen, 3000 yen, 5000 yen, or 10,000 yen or more, and 1 hour thereafter. It is displayed that 150 yen is added every time.

  According to this detailed information screen, it can be seen that the parking fee of the parking lot at the destination 21 is free for a predetermined time associated with the shopping amount. If the user thinks that the parking lot at the destination 21 is convenient even after waiting for a while, the user may press the map display button 41 in the detailed information screen to return to the navigation screen of FIG. In that case, since the parking lot of the destination 21 remains selected and is a selected parking lot, the guide route 25 indicates a route to the destination 21.

  The detailed information screen in FIG. 4 does not have to be a screen prepared in the navigation device. That is, if items such as time and distance to be considered in a general search are provided in a unified format and the operation buttons such as the map display button 41 can be operated, the browser or the like can be used via the Internet. It may be a screen that displays the acquired information, or may be a text screen that displays information as simple text. According to this, even when the service companies that provide information to be displayed on the detailed information screen are different and the expression format of the information is different, the detailed information screen can be displayed without any problem.

  FIG. 5 shows an example of the list screen. This screen displays a list of information related to parking lots to which the recommended ranks P0 to P3 are assigned, and is displayed when the list display button 42 is pressed. In other words, in the situation of FIG. 4, when it is desired to know the situation of the parking lot other than the parking lot of the destination 21, the list display button 42 may be pressed. The display of the list screen may also be performed when the information display button 28 is long pressed on the navigation screen of FIG.

  In this list screen, the information of each parking lot to which the recommended rank is assigned is shown in a table format in correspondence with the recommended ranking P0 to 03 of each parking lot in the “No” column. That is, for each parking lot, information in the “name”, “time”, “fee”, “distance”, and “other” fields is displayed. In the “Name” column, the name of each parking lot is displayed. The “Time” column is divided into “Total”, “Running”, “Waiting”, and “Walk” columns. In the “Total” column, “Running” column, “Waiting” column, and “Walk” The total of the column is displayed, the “travel” column displays the time required to travel from the current location to each parking lot, the “waiting” column displays the waiting time at each parking lot, and the “walk” column In, the time required to reach the destination on foot from each parking lot is displayed. The “fee” column is divided into “initial” and “fixed amount” columns, the initial fee is displayed in the “initial” column, and the subsequent flat fee is displayed in the “fixed” column. The “Distance” column is divided into “Total”, “Run”, and “Walk” columns. The “Total” column displays the sum of the “Run” and “Walk” columns. In the "" column, the time required to travel from the current location to each parking lot is displayed, and in the "Walk" column, the time required to reach the destination from each parking lot is displayed. In the “others” column, whether or not each parking lot is full is displayed. In addition, the weather and temperature of the destination 21 are displayed.

  In FIG. 5, information on each parking lot is displayed in the order of recommended rankings “P0” to “P3” of each parking lot. This recommended order is calculated based on the obtained parking lot information for each parking lot. For example, the value of the “total” column in the “time” column of FIG. 5 is calculated and sorted as the first key. Is done. Further, the recommended order obtained in this way is used for displaying the recommended order on the map screen of FIG. Further, FIG. 5 shows a case where the user selects a parking lot at the destination 21 whose recommended order is “P2”. In order to indicate that the parking lot of the destination 21 is selected, a background color different from those of other “P0”, “P1” and “P3”, for example, yellow is used as the background color of “P2” It is done. The list screen of FIG. 5 shows an example when the weather is “sunny”.

  FIG. 6 shows an example of a list screen when the weather is “rain”. In this list screen, the recommended rankings “P0” to “P3” are assigned to the parking lots in the order in which the “walk” column in the “time” column or the “distance” column is sorted as the first key. . Therefore, the parking lot of “ABC department store” which is the destination 21 and the time or distance required to go on foot is 0 is displayed in the first row as having the recommended rank of P0. At this time, the background color of the display of “P0” is also yellow to indicate that the parking lot of “ABC department store” is selected.

  The sorting is performed by using a preset sort key or by a sort key designated by the user when the parking lot information is acquired or when the user gives an instruction. In the navigation device, when the weather is “rain”, if the search condition is not set to sort using the “walk” field as the sort key as described above, the user selects “rain” on the list screen. When it is known, the navigation apparatus can be instructed to sort using the “walk” field as a sort key. The navigation device accepts this instruction and sorts it to obtain the display state shown in FIG. Further, when sorting according to the weather, for example, by providing various sensors for detecting the operation of the wiper and the state outside the vehicle, the weather may be detected and the sorting process may be automatically performed.

  According to this list screen, if the destination is changed from “ABC department store” to “1, 2, 3 mall”, according to the parking lot 23c of “1, 2, 3 mall”, the waiting time is from 10 minutes to 6 minutes. Since there is a price benefit on the shopping receipt as in the case of the parking lot of “ABC department store”, it seems to be possible to use the parking lot 23c of “1.2.3 mall”. It seems to be. For confirmation, the user touches and selects the display of “1, 2, 3 mall” on the second line on the list screen, and presses the display 52 of “return to information screen” to display FIG. It is possible to return to the detailed information screen 4 and display information on the parking lot “1, 2, 3 mall”. If the destination is changed to “1, 2, 3 mall”, the current state may be left as it is. The destination in the navigation device remains “ABC department store”, but the selected parking lot is changed to the parking lot of the selected “1, 2, 3 mall”, and guidance along the guidance route 25 is “1.2”.・ Because it is conducted for “3 malls”, there is no inconvenience even with the current situation.

  Alternatively, the destination in the navigation device may be changed from “ABC department store” to “1, 2, 3 mall”. In this case, since the navigation device is communication navigation, it may be useful for automatically notifying friends that the meeting place has been changed. If there are many parking lot candidates to be displayed on the list screen and they cannot be displayed, prepare an arrow button for scroll display or display some filter conditions for further narrowing down the search conditions. Alternatively, additional filter condition settings may be accepted. Examples of the filter condition include the presence or absence of a rain prevention passage to a parking lot and the exclusion of a parking lot that is full.

  FIG. 7 shows a state of the map screen when shifting from the list screen sorted by the contents of the “walk” column in FIG. However, the destination setting remains “ABC department store”. The transition from the list screen to the map screen is performed based on pressing of the map display button 51. According to the sorting result, the parking lot at the destination 21 is displayed as having the recommended rank P0. Moreover, since the parking lot of the destination 21 became the selected parking lot by sorting, the guide route 25 from the current position 22 is changed so as to go to the destination 21.

  In the list screen of FIG. 6, only the sorting result based on the user's instruction is displayed. However, at the timing of returning to the navigation screen of FIG. You may make it change the sort conditions at the time of parking information acquisition into the conditions of using the "walk" column as a high priority sort key. In addition, when the above-described additional filter condition is set, the filter condition is updated so that the filter condition in the rainy weather is obtained by adding the set additional filter condition. Also good. In this way, when searching for parking lots, the search conditions at the time of parking information acquisition are set by considering the sorting conditions and filter conditions selected by the user according to the environment, so that the search at the time of parking information acquisition is performed. The conditions can be automatically changed so as to be set in consideration of the environment and the like.

  FIG. 8 shows the state of the screen when returning to the map screen with the parking lot 23a of “parking 24”, which is the initial state of the list screen of FIG. Show. In this screen, in the initial state, since the vehicle deviated from the guide route 25 that is guiding to turn right as shown in FIG. 3 in the initial state, the search is automatically started when the vehicle deviates, and the parking lot Since 23d is listed as a candidate, difference data including information on the parking lot 23d regarding the parking lot information is automatically acquired, and the difference data is taken into consideration. If the difference data indicates that it has changed from the previously acquired parking lot information, the recommended order of parking lots may also change, but in this example there is no change and a new parking lot 23d also assumes a state where the recommendation rank is listed at the bottom as P4. The reason why the parking lot 23d is newly listed as a recommended object is that, for example, the filter condition that the waiting time is 10 minutes or less is cleared when the difference data is acquired.

  In FIG. 8, although the time has elapsed, the “parking 24” of the parking lot 23a is still in good condition, so a guide route 25 is displayed for making a U-turn and turning left at the intersection 31 where right turn is prohibited. ing. Or if it is just in the time zone when the right turn prohibition was canceled at that time, the route to turn right without making a U-turn is displayed as the guide route 25. In the future, if a parking reservation system using two-way communication is complete, if the reservation for the parking lot is completed, the parking lot will not be changed after that, and the situation will change after that. Regardless, it may be that guidance to the reserved parking lot continues without change. In that case, it is guaranteed that the car can be parked without delay.

  The acquisition of the difference data is performed at the time of deviating from the guide route 25 as described above. Therefore, information is not sent every moment as in the case of the push method. The request for difference data is made from the navigation device side. In addition to the time when the route deviates from the guide route, the guide route 25 is automatically changed in response to the occurrence of a traffic jam, such as when the destination is an event venue and the traffic suddenly becomes jammed. When the route condition changes due to the release of one-way due to time restrictions and the guidance route 25 is changed accordingly, the navigation device requests differential data. After it is determined that the vehicle has arrived at the parking lot, the difference data is not requested.

  In addition, if a user desires delivery of parking lot information by a push system, you may make it usable. In that case, it is possible to accept user settings relating to push delivery intervals and delivery data items.

  Hardware called communication systems and software called services are constantly evolving. For example, even if there is only one type of parking lot at present, as in the case of parking lots at airports, etc., in the near future, the short term / It is possible that the number of items classified by “Long Stay” and the items classified by many types such as “within 3 days / within 1 week / within 20 days / within 30 days / over 31 days” will increase. It is done. In addition, information on the location of the bus stop may be provided as a service. However, even in such a case, no change in the navigation device is necessary. Parking lots with longer usable periods are cheaper and cheaper, so the distance from the airport is far, so sorting or filtering is performed according to the items related to charges and distances on the parking lot list screen as shown in FIG. This is because an appropriate parking lot can be selected. Alternatively, it may be possible to additionally record only the location information and icon of the stop of the round-trip bus as map data.

  FIG. 9 is a flowchart showing a part of the processing in the processing unit 11. The process at the time of displaying each screen of the above-mentioned FIGS. 2-9 is shown. When this process is started in a state where the destination is set in advance, first, in step 81, display of a map screen for performing route guidance is started. That is, based on the map data in the storage unit 12, as shown in FIG. 2, the map around the current position, the destination 21, the parking lots 23a to 23c around the destination, the icon 22 indicating the current position and the traveling direction, the current A guide route 24 from the position to the destination 21 is displayed. In the meantime, in steps 82 and 83, it is monitored whether or not there is a user instruction to acquire the parking lot information and whether or not a predetermined vicinity of the destination has been reached.

  If it is detected in step 82 or 83 that the user instruction or the arrival in the vicinity of the destination is detected, the process proceeds to step 84, and the parking lot information and the weather information about each parking lot around the destination are acquired from a predetermined server. The parking lot information includes information on each item as shown in FIGS. 16 and 4 for each parking lot. In addition, the weather-related information includes information such as sunny weather and rain, and temperature. Then, based on the information of each of these items, according to a preset search condition, the recommended rankings P0, P1,... For each parking lot are determined as in the example of FIG. The recommended rankings “P0”, “P1”,... Are displayed in association with the display of each parking lot. Further, it is assumed that the parking lot whose recommended order is P0 is selected as the parking lot to be used in the initial state, the route search to the selected parking lot is performed, and the searched route is displayed as the guidance route. Further, the selection buttons 27d and 27u and the information display button 28 are displayed. Then, route guidance to the selected parking lot is started. In the example of FIG. 3, the parking lot 23a is a selected parking lot, and a guide route 25 from the current position 25 to the parking lot is searched and displayed.

  Next, in steps 85 and 87, the presence / absence of selection of a parking lot and the presence / absence of pressing of the information display button 28 are monitored. In the example of FIG. 3, the parking lot is selected by operating the selection button 27d or 27u or touching the display of the destination 21 or the parking lots 23a to 23c. If it is detected in step 85 that a parking lot has been selected, the selected parking lot is changed to the selected parking lot in step 86. Corresponding to this, the display of information on the selected parking lot on the information display button 28 is also rewritten. If it is detected in step 87 that the information display button 28 has been pressed, the process proceeds to step 88 to display a detailed information screen as shown in FIG. 4 for the selected parking lot.

  Next, in steps 89 and 90, whether or not the map display button 41 or the information list display button 42 is pressed is monitored. If it is detected that the map display button 41 has been pressed, the process proceeds to step 97, the map screen as shown in FIG. 3 is displayed again, and the process returns to step 85. As the guide route 25 on the map screen in this case, the route to the selected parking lot at that time is displayed. If applicable, the guide route 26 by walking from the selected parking lot to the destination is displayed. Therefore, when there is a parking lot selection in step 85 and the selected parking lot is changed, the guide route 25 is also changed.

  If it is detected in step 90 that the information list display button 42 is pressed, the process proceeds to step 91 to display a list screen as shown in FIG. 5 or FIG. In that case, the information of each parking lot is displayed in the order of the above-mentioned recommendation order. Next, in steps 92 to 94, the presence or absence of pressing of the map display button 51 or the return button 52 and the presence or absence of other instructions are monitored. If there is another instruction, a process corresponding to the instruction is performed in step 95 and the process returns to step 92. As another instruction, for example, an instruction to sort information on each parking lot on the list screen by a predetermined key item is applicable. If pressing of the return button 52 is detected, the process returns to step 88. That is, the detailed information screen as shown in FIG. 4 is returned. If it is detected that the map display button 51 has been pressed, the process proceeds to step 96, and the instruction content accepted in step 94 is reflected for future searches. That is, as described above, the search conditions for subsequent parking information acquisition are set in consideration of the sort conditions and filter conditions selected by the user according to the environment. Then, it progresses to step 97 and returns to the state which displayed the map screen as mentioned above.

  FIG. 10 shows the content of “processing according to instruction” in step 95 in FIG. In this process, in steps 61 to 63, it is determined whether or not the instruction given in step 94 of FIG. 9 is an instruction for sorting, filter conditions, or selection of a parking lot. The sort instruction includes an instruction as to which item field on the list screen as shown in FIG. The filter condition instruction is for instructing an additional filter condition for further narrowing down the parking lots to be displayed in a list on the list screen, and is made by selecting one of the filter conditions presented in the menu format. Is. The selection of the parking lot is made by pressing one of the parking lot names in the “name” column of the list screen.

  If it is determined in step 61 that the instruction is a sort instruction, the process proceeds to step 64, where information on each parking lot displayed on the list screen is sorted using the sort key specified in the instruction, and the sort result is displayed on the list screen. To reflect. If the parking lot located in the first row of the list screen after sorting is different from the selected parking lot so far, the selected parking lot is changed to the parking lot that was located in the first row. Then, the process of FIG. 10 is complete | finished. For example, in the example of the list screen of FIG. 5, when the “walk” field is designated as the sort key, the list screen is in a state as shown in FIG.

  If it is determined in step 62 that the filter condition is instructed, the process proceeds to step 65, and parking lots that do not conform to the instructed filter condition, for example, the condition that the distance to the destination is within 200 [m] are listed. Exclude from screen display. Then, the process of FIG. 10 is complete | finished.

  If it is determined in step 63 that the instruction is for selecting a parking lot, the selected parking lot is changed to the selected parking lot, and the position of the background color indicating the selected parking lot is also changed to correspond. For example, in the example of FIG. 5, in the initial state, “parking 24” having the highest recommended ranking is the selected parking lot. However, when “ABC department store” is selected by the user, the selected parking lot is “ABC”. As shown in the figure, the background color of “P2” indicating the recommended order is changed to yellow. Thereafter, the process of FIG. 10 is terminated.

  FIG. 11 shows a process performed in parallel with the process of FIG. 9 from the time when the route guidance to the selected parking lot is started in step 84 of FIG. That is, when the process is started, in step 71, it is monitored whether or not the guide route 25 to the selected parking lot has been departed, and in step 72, it is monitored whether or not the guide route has been changed. In step 75, it is monitored whether or not the selected parking lot has been reached.

  If it is detected in step 71 that the vehicle has deviated from the guide route, and if it is detected in step 72 that a change in the guide route has occurred, the process proceeds to step 73, and the difference regarding the parking information for each parking lot acquired last time. Get information. And in step 74, when it turns out that a change has occurred in the parking lot information based on the acquired difference information, the recommended ranking P0 of each parking lot is again based on the parking lot information including the difference information. P1, ... is determined, the route search to the selected parking lot with the recommended order P0 is performed, and the result is reflected on the currently displayed map screen, detailed information screen, or list screen, to the selected parking lot. Start route guidance. In the example of FIG. 8, the state of the map screen at this time is shown. Compared to the case of FIG. 3, there is no change in the parking lot information, so the selected parking lot is not changed, but the result of the route search is different. If there is a change in the parking lot information and the parking lot 23a becomes full, the selected parking lot is changed from the parking lot 23a to another parking lot, and the guidance route also changes.

  If it is detected in step 75 that the vehicle has arrived at the selected parking lot, the processing in FIG. 9 is terminated and the processing in FIG. 11 is terminated. The detailed information screen, the list screen, and the map screen displayed in steps 88, 91, and 97 in FIG. 9 are performed based on the parking lot information that reflects the difference information acquired up to that point. become.

  According to the present embodiment, the user can recognize the information regarding the parking lot via the detailed information screen and the list screen, and can select the parking lot based on his / her intention while viewing these screens. Even if there is some lack of real-time property, there is no fear of being overloaded as in the case of the push method, there is no need to be impatient, and you will be freed from bothersomeness, and you can select the parking lot at your own pace it can.

  Also, by performing operations such as sorting and filtering on the list screen, the operation results are stored as narrowing conditions when searching for parking spaces in the environment such as the weather when the operations are performed, and subsequent parking lot searches Can be reflected.

  Even if the user takes time for the selection operation, if the user deviates from the guide route or the guide route is changed, the difference data is acquired without performing the user's instruction, and the search is performed again. Since the re-display is performed based on the result, even a user unfamiliar with the operation can finally arrive at the parking lot without hesitation and reach the destination.

  In addition, the information required for the search is limited to general items such as required time and distance. If detailed information is required, the information provided by each service company can be displayed by the browser. The above information authoring is also unnecessary. This means that even if the reservation system advances in the future, it will be possible to respond flexibly, and even if the communication system and information provision content evolve, the impact on the navigation device can be minimized. it can.

It is a block diagram which shows the structure of the navigation apparatus which concerns on one Embodiment of this invention. It is a figure which shows an example of the map screen in the apparatus of FIG. It is a figure which shows a mode when the navigation apparatus acquires the information regarding the parking lot around the destination on the map screen of FIG. It is a figure which shows an example of the detailed information screen in the apparatus of FIG. It is a figure which shows an example of the list screen in the apparatus of FIG. It is a figure which shows the example of a list screen when the weather in the apparatus of FIG. 1 is rain. It is a figure which shows the mode of the map screen when it transfers from the list screen of FIG. It is a figure which shows a map screen when it returns from the initial state of the list screen of FIG. It is a flowchart which shows a part of process in the process part of the apparatus of FIG. It is a flowchart which shows the content of the one part process in FIG. It is a flowchart which shows the process performed in parallel with the process of FIG. 9 from the time of starting the route guidance to the selection parking lot in the process of FIG. It is a figure which shows the screen in the navigation apparatus which concerns on a prior art example. It is a figure which shows the screen in another navigation apparatus which concerns on a prior art example. It is a figure which shows another screen in the navigation apparatus of FIG. It is a figure which shows the screen in the other navigation apparatus which concerns on a prior art example. It is a figure which shows the content of the database used for acquisition of parking lot information.

Explanation of symbols

  11: processing unit, 12: storage unit, 13: communication unit, 14: position information acquisition unit, 15: operation unit, 16: display unit, 17: audio output unit, 21: destination, 22: icon, 23a to 23d : Parking, 24, 25: Guide route, 26: Guide route by walking, 27u, 27d: Selection button, 28: Information display button, 31: Intersection, 42: Information list display button, 41: Map display button, 51: Map display button 52: Back button.

Claims (10)

Position acquisition means for acquiring the current position;
Information acquisition means for acquiring information of each parking lot around the destination;
Based on the information of each parking lot acquired by the information acquisition means, selection means for selecting any parking lot as a guidance target;
Search means for searching for a route from the current position to the parking lot when selecting the parking lot;
Guidance means for guiding the route searched by the search means;
Based on the fact that the guidance of the route searched by the search means is disabled, the information acquisition by the information acquisition means, the selection by the selection means, the route search by the search means, and the route guidance by the guidance means are executed again. A navigation device comprising a control means.   The selection means includes a search means for searching for a recommended parking lot according to a predetermined search condition based on information on each parking lot acquired by the information acquisition means, and the parking lot searched by the search means. The navigation apparatus according to claim 1, wherein a car park is selected as a guidance target. The selection means includes a presentation means for presenting information of each parking lot acquired by the information acquisition means to the user,
Selection means for accepting a selection of any of the parking lots by the user,
The navigation apparatus according to claim 1 or 2, wherein a parking lot selected by the selection means is selected as a guidance target. The presenting means displays a list of information on each parking lot for each predetermined item,
The navigation device includes a sorting unit that sorts the list display by a designated item according to a user instruction;
The navigation apparatus according to claim 3, further comprising a changing unit that changes the parking lot selected by the selecting unit based on a result of sorting by the sorting unit.   5. The navigation according to claim 4, further comprising means for reflecting a situation related to a predetermined environment when sorting is performed by the sorting unit and a sorting item when selecting a parking lot by the selecting unit thereafter. apparatus. The presenting means displays a list of information on each parking lot for each predetermined item,
The said navigation apparatus has a filter means which excludes the display about an applicable parking lot based on the designated filter conditions according to a user's instruction | indication, The any one of Claims 3-5 characterized by the above-mentioned. Navigation device.   7. The apparatus according to claim 6, further comprising means for reflecting a situation related to a predetermined environment when the display is excluded by the filter unit and a filter condition when selecting a parking lot by the selection unit. Navigation device.   The navigation according to any one of claims 3 to 7, wherein the presenting means displays information on each parking lot for each parking lot in accordance with an expression format at a provider of the information. apparatus.   A program for causing a computer to function as each means in the apparatus according to claim 1. A navigation method in a navigation device,
A position acquisition step in which the position acquisition means acquires the current position;
An information acquisition step in which the information acquisition means acquires information on each parking lot around the destination;
A selection step in which the selection means selects any parking lot as a guidance object based on the information of each parking lot acquired by the information acquisition means; and
A search step for searching for a route from the current position to the parking lot at the time of selection of the parking lot by the selection means;
A guiding step for guiding the route searched by the searching step;
On the basis of the fact that the route of the route searched by the search step is disabled by the control unit, the information acquisition step by the information acquisition unit, the selection step by the selection unit, the search step by the search unit, and the guidance by the guide unit And a control process for executing the process again.

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