JP5940009B2 - Navigation device and navigation program - Google Patents

Description

  The present invention relates to a navigation device that displays a user's current position on a map on a display screen of a display device and guides the user to a destination, and a navigation program for causing the navigation device to control operations.

  Conventionally, a navigation device is known as a device for supporting the arrival of a moving body such as a vehicle or a human at a destination. For example, the navigation device derives the current position of the moving object by GPS (Global Positioning System), obtains a recommended moving route by route search processing based on the current position information of the moving object and the road map information, and performs the recommended operation. Based on the travel route, automatic travel route guidance (hereinafter referred to as “route guidance”) is performed.

  In such a navigation device, when the remaining time between the current time and a predetermined meal time period becomes shorter than a predetermined time as a threshold value, operation buttons related to restaurant search are displayed at the highest hierarchy. There is one that changes the level assignment contents so as to be a certain first level, updates the operation menu data, accepts an operation button selection operation from the user, and guides the route to the restaurant selected by the user (patent) Reference 1).

JP 2010-223695 A

  However, even if a user searches for a restaurant after feeling hungry, it takes time to reach the restaurant, and thus there is a problem that the hungry state continues for a long time. Also, even if you arrive at a restaurant when you feel hungry, there is a problem that you may have to wait until you can start eating if the store is crowded . That is, there has been no navigation device for providing a comfortable eating habit to the user.

  In order to solve the above-described problems, an object of the present invention is to provide a user with a comfortable eating habits.

  A navigation apparatus according to the present invention is a navigation apparatus that displays a user's current position on a map on a display screen of a display device and guides the user to a destination, and stores map information including road information. And eating habit information storage means for storing eating habit information indicating the eating habits of the user, and eating and drinking restaurant information for storing eating and drinking restaurant information including waiting time indicating the time from arrival at the eating and drinking restaurant Storage means, hungry arrival time prediction means for predicting hungry arrival time indicating the time until the user feels hungry with reference to the eating habit information, and the hungry arrival time predicted by the hungry arrival time prediction means A search range corresponding to the restaurant, a restaurant search means for searching for a restaurant with reference to the determined search range and the restaurant information, and the map information and the restaurant information. And calculating the required arrival time indicating the time required to arrive at the restaurant searched by the restaurant search means, and the estimated meal start time calculated from the calculated required arrival time and the waiting time Recommended restaurant extraction means for extracting a restaurant that is within the range of the hungry arrival time and a predetermined error as a recommended restaurant recommended to the user, and information about the recommended restaurant extracted by the recommended restaurant extraction means And display means for displaying on the display screen.

  By having said structure, it becomes possible to provide a comfortable eating habit to a user by making the user avoid the irritation caused by the feeling of hunger.

Meal type time table storage means for storing a meal type time table in which a meal type and a predetermined time according to the lightness of the meal are associated with each other, and the latest meal information indicating the latest meal type The latest meal information receiving means for receiving an input operation from a user, and the latest meal information registration means for registering the latest meal information received by the latest meal information receiving means in the eating habit information, the hungry arrival time predicting means May be configured to predict the hunger arrival time with reference to the eating habit information including the latest meal information and the meal type time table.

Diet history and dietary history information Ho受 with means for registering the diet history information received by the dietary history information reception means to the diet habit information for accepting an input operation options history information indicating a history of past meals from a user The hunger arrival time predicting means may be configured to predict the hunger arrival time with reference to the eating habit information including the meal history information.

  The waiting time may be configured to include a delay time due to the congestion level of the restaurant and a cooking time indicating a time required for cooking the food.

  The delay time may be configured to be updated according to the latest delay time information transmitted from a terminal that manages delay time information related to the delay time.

  A recommended restaurant selection accepting means for accepting selection of one or more recommended restaurants displayed on the display screen by the display means, and a recommended restaurant accepted by the recommended restaurant selection accepting means It may be configured to include a recommended route specifying means for specifying a recommended route from the current position as the ground and a guide route setting means for setting the recommended route specified by the recommended route specifying means as the guide route.

  The recommended restaurant selection accepting unit newly accepts any selection of recommended restaurants other than the recommended restaurant that is the destination when the guide route is set by the guide route setting unit, When the recommended restaurant newly accepted by the recommended restaurant selection accepting means is used as a transit location, the recommended restaurant that is set as the estimated start time of the meal at the recommended restaurant that is the transit location and the destination It is determined whether or not to set a newly accepted recommended restaurant as a transit point by checking whether or not the estimated meal start time is within a predetermined error range with the hungry arrival time at The recommended route specifying means is accepted by the recommended restaurant selection accepting means in response to being determined to be set as a transit place by the waypoint judging means. The recommended route from the current location with the recommended restaurant as a destination and the recommended restaurant newly accepted by the recommended restaurant selection accepting unit as a transit point is specified again, and the guide route setting unit is configured to select the recommended route. The recommended route specified again by the specifying unit may be newly set as the guidance route.

  The navigation program of the present invention is a navigation program for causing a navigation device that displays a user's current position on a map on a display screen of a display device and guides the user to a destination, and controls the road information. Map information storage means for storing map information including, eating habit information storage means for storing eating habit information indicating a user's eating habits, and waiting time indicating a time from arrival at a restaurant until starting a meal A hungry arrival time prediction function for predicting a hungry arrival time indicating a time until the user feels hungry with reference to the eating habit information in the navigation device including the restaurant information storage means for storing the restaurant information including And a search range corresponding to the hungry arrival time predicted by the hungry arrival time prediction function is determined, and the determined search range and the drinking time are determined. Arrival indicating the time required to arrive at the restaurant searched by the restaurant search function based on the restaurant information search function for searching for a restaurant with reference to the store information and the map information and the restaurant information While calculating the required time, a restaurant where the time calculated from the calculated required arrival time and the waiting time is within the predetermined error range is extracted as a recommended restaurant recommended to the user. This is for executing a recommended restaurant extraction function and a display function for displaying information on the recommended restaurant extracted by the recommended restaurant extraction function on the display screen.

  According to the present invention, a comfortable eating habit can be provided to the user.

It is a block diagram which shows the example of a structure of a navigation apparatus. It is explanatory drawing for demonstrating the example of a structure of a control part and a memory | storage part. It is explanatory drawing which shows the example of the storage state of eating habit information. It is explanatory drawing which shows the example of the storage state of restaurant information. It is a flowchart which shows the example of a meal time registration process. It is a flowchart which shows the example of a navigation process. It is a screen figure which shows the example of the display screen used for the input operation of meal time. It is a screen figure which shows the example of the display screen which displays the information regarding a recommendation restaurant. It is a screen figure which shows the example of the addition screen of a recommendation restaurant. It is a screen figure which shows the example of the screen which reset the guidance path | route. It is explanatory drawing which shows the example of the storage state of the time table classified by meal type. It is explanatory drawing which shows the example of the storage state of meal history information.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a block diagram showing an example of the configuration of a navigation device 100 according to an embodiment of the present invention. The navigation apparatus 100 is configured by an information processing apparatus such as a mobile type personal computer, a PND (Portable Navigation Device), or a dedicated device. Hereinafter, a case where the navigation device 100 is carried by a user (that is, a portable navigation device) will be described.

  As illustrated in FIG. 1, the navigation device 100 includes a control unit 10, a storage unit 20, a memory 30, an output unit 40, a sensor unit 50, a communication unit 60, and an input unit 70. Although not shown, the navigation device 100 has a configuration for exhibiting functions as a general navigation device such as a CPU (Central Processing Unit), a program storage unit, and an OS (Operating System).

  The control unit 10 is configured by a CPU, for example, and configures the navigation device 100 according to a computer program (a computer program for causing the navigation device 100 to control operations and includes an information search program) stored in the storage unit 20. Each element has various functions for performing various processes including an information search function for comprehensively controlling each element and searching for information according to a search condition. The configuration of the control unit 10 will be described in detail later (see FIG. 2).

  The storage unit 20 includes a ROM, a RAM, and the like, and is a storage medium that stores various kinds of information necessary or useful as a navigation apparatus such as various computer programs and information used by the navigation apparatus 100. The configuration of the storage unit 20 will be described in detail later (see FIG. 2).

  The memory 30 is a storage medium that temporarily holds various types of information processed by the control unit 10 and is configured by a semiconductor storage device such as a RAM.

  The output unit 40 has a function of outputting various types of information, in particular various types of information related to information search, in a form that can be recognized by the user. Audio output device (speaker device).

  The sensor unit 50 has a function of measuring the current position of the navigation device 100 (that is, the current position of the user). For example, the sensor unit 50 receives a GPS signal transmitted from a GPS satellite, and positions based on the GPS signal. A GPS sensor that measures the distance, a speed sensor that measures the amount of movement (distance) from the initial position, a gyro sensor that measures the traveling (movement) direction, and the like.

  A GPS sensor is a so-called GPS receiver, receives a GPS signal radiated from a GPS satellite, measures a distance (pseudo distance) between the GPS satellite and the GPS receiver itself, and receives a plurality of satellites. Are simultaneously received to calculate the current position (GPS positioning solution) of the GPS receiver itself.

  In addition to the GPS receiver (antenna) that receives the GPS signal, the sensor unit 50 has a function of performing processing such as decoding of the received GPS signal and presenting it to the control unit 10.

  The communication unit 60 is connected to a communication network such as the Internet wirelessly or by wire, and has a function for transmitting / receiving information to / from an external device such as a management server connected to the communication network.

  The input unit 70 has a function of accepting various instructions and voices from the user to the control unit 10. The input unit 70 also receives various data (for example, data indicating the azimuth and inclination) detected by the sensor unit 50 as instructions from the user. Further, the input unit 70 includes, for example, virtual buttons displayed on the display screen of the image display device, physical buttons (physical buttons) provided on a casing constituting the navigation device, a microphone as a voice input unit, and the like. It may be.

  FIG. 2 is an explanatory diagram for explaining an example of the configuration of the control unit 10 and the storage unit 20 in this example. As shown in FIG. 2, the control unit 10 includes a sensor information processing unit 11, a communication processing unit 12, a hungry arrival time prediction unit 13, a search unit 14, a recommended restaurant extraction unit 15, and a route search unit 16. Including.

  The sensor information processing unit 11 has a function of executing processing for specifying and storing sensor information such as position information and speed information by the sensor unit 50. In this example, the navigation apparatus 100 specifies the current position of the user on the map indicated by the road map information by collating the position information specified by the sensor information processing unit 11 with road map information described later, for example.

  The communication processing unit 12 has a function of executing processing for transmitting and receiving various types of information by the communication unit 60.

  The hungry arrival time prediction unit 13 has a function of executing processing for predicting the hungry arrival time indicating the time until the user feels hungry with reference to the eating habit information. In this example, the hungry arrival time predicting unit 13 accepts an input operation of information related to a meal time from the user, and predicts the hungry arrival time with reference to the received meal time and the current time. The processing executed by the hungry arrival time prediction unit 13 will be described in detail later.

  The search unit 14 has a function of executing a process of searching for a restaurant that can be reached before the hungry arrival time predicted by the hungry arrival time prediction unit 13 with reference to the restaurant information. In this example, when searching for a restaurant, the search range and the search target are determined, and a process of searching for a restaurant based on the determined search range / search target is executed. The processing executed by the search unit 14 will be described in detail later.

  The recommended restaurant extraction unit 15 has a function of executing a process of extracting a restaurant recommended for the user from the restaurants searched by the search unit 14. The process performed by the recommended restaurant extraction unit 15 will be described in detail later.

  The route search unit 16 has a function of executing route search processing for searching for a movement route between two points on the map. The route search unit 16 receives, for example, input of information indicating a departure place (for example, current position) and a destination via the input unit 70, and refers to road information based on the received information. The travel route and required time from the destination to the destination are derived. In addition, since a well-known technique is used for the route search process, detailed description here is omitted. In addition, information necessary for route search processing, for example, map information used for specifying the current position and generating a map around the moving route may be stored in the storage unit 20 in advance, or the communication unit 60 may be used. It is good also as a structure acquired from an external management server.

  As shown in FIG. 2, the storage unit 20 includes a road map information storage unit 21, a eating habit information storage unit 22, and a restaurant information storage unit 23.

  The road map information storage unit 21 is a storage medium that stores map information divided into a predetermined grid (in this example, a rectangular range divided by a constant latitude width and latitude width). In addition to being stored in the road map information storage unit 21, this map information can be stored in an auxiliary storage device as a removable medium called an SD memory card, a CD-ROM, a DVD-ROM, or the like. Further, the map information may be downloaded via a communication network such as the Internet. In addition, the road map information storage unit 21 manages roads by representing nodes and links as road information indicating traffic regulation, road configuration, and the like. It is a storage medium for storing. That is, the route search unit 16 acquires information necessary for the route search process from the road map information storage unit 21. Hereinafter, information in which map information and road information are appropriately associated is referred to as “road map information”. Note that there are a plurality of types of road map information depending on the scale of the map and the corresponding range, and the road map information may be appropriately used depending on the environment setting.

  The eating habit information storage unit 22 is a storage medium that stores eating habit information related to the user's eating habits.

  FIG. 3 is an explanatory diagram illustrating an example of a storage state of eating habit information in the eating habit information storage unit 22. As shown in FIG. 3, the eating habit information in this example includes a meal time and a category.

  Here, the meal time is the time when the user is expected to feel hungry. The meal time in this example is information indicating a pinpoint time that does not have a time range such as “9:00”, but a predetermined width such as “8:30 to 9:00”. May be stored as time zone information. That is, the navigation device 100 may accept a meal time zone input operation from the user and store the received meal time zone as eating habit information, or derive a time zone of a predetermined time before and after the received meal time. The derived time zone may be determined as a meal time zone, and the determined meal time zone may be stored as eating habit information.

  Here, the category is classification information indicating the tendency of the restaurant selected by the user, and is stored in association with the meal time. The categories received from the user in this example correspond to the large classification and middle classification included in the restaurant information.

  The restaurant information storage unit 23 is a storage medium that stores restaurant information including various information related to restaurants.

  FIG. 4 is an explanatory diagram illustrating an example of a store state of restaurant information in the restaurant information storage unit 23. As shown in FIG. 4, the restaurant information in this example includes a restaurant ID for uniquely identifying restaurant information, a store name, an address, a latitude / longitude, business hours, and a category (large classification). And a category (medium classification), a delay time, a cooking time, and a waiting time. In addition, although the waiting time in this example is set as the time which combined delay time and cooking time, you may be set as the structure containing at least any one among delay time and cooking time. In addition, the category in the restaurant information may be anything as long as it can classify food and drink. For example, in addition to the major classification and the middle classification, further subdivided classification (for example, A dish name category classified by dish name such as hamburger or spaghetti, a calorie category classified by calorie value such as high calorie or low calorie, etc.).

  The major classification is classification information indicating the nature of the restaurant. The restaurant category is stored according to the content of the meal provided, such as “Japanese food”, “Western food”, “Ramen”, and the like.

  The middle classification is information obtained by further classifying the major classification. For example, the medium classification is stored as “salt ramen” for the large classification “ramen”.

  The delay time is information relating to the time that is arranged after arrival at the restaurant. The delay time in this example is stored as a predetermined time such as “0 minutes” or “15 minutes”.

  The cooking time is information indicating the time required for cooking the restaurant. The cooking time in this example is stored as a predetermined time similarly to the delay time.

  The waiting time is information indicating the time required to start eating after arriving at a restaurant. The standby time in this example indicates the total time of the time indicated by the delay time and the time indicated by the cooking time.

  Next, the operation of the navigation device 100 in this example will be described with reference to the drawings. Note that detailed descriptions of processes not particularly related to the present invention may be omitted.

  FIG. 5 is a flowchart illustrating an example of a meal time registration process executed by the navigation device 100.

  In the meal time registration process, the navigation device 100 first receives a registration form display request from the user (step S101).

  When receiving the registration form display request from the user, the control unit 10 displays the registration form for setting input operation on the display screen (step S102). FIG. 6 is a screen diagram illustrating an example of a display screen used for a meal time setting input operation. As shown in FIG. 6, the display screen 601 displays a setting input form 602 for allowing the user to set meal times corresponding to “breakfast”, “lunch”, “dinner”, and “others”.

  When the registration form for setting input operation is displayed on the display screen, the control unit 10 receives an input operation of meal time and category from the user (step S103). In this example, as shown in FIG. 6, the user operates the time input portion 603 and the category input portion 604 in the setting input form 602 and sets the meal time and category by pressing the “OK” button 605. To do.

  The category accepted here may be a large classification or a medium classification. That is, it should just be contained in the category (in this example, large classification or medium classification) of restaurant information. Further, for example, a plurality of categories, dish names, and meal weights may be included, such as ramen and bonito.

  When receiving the input operation of the meal time and category input operation from the user, the control unit 10 stores the received meal time and category as the eating habit information in the eating habit information storage unit 22 and registers the user's meal time. (Step S104). When the user's meal time is registered, the control unit 10 ends the meal time registration process.

  Next, an example of navigation processing of the navigation device 100 in this example will be described. FIG. 7 is a flowchart illustrating an example of navigation processing executed by the navigation device 100. The navigation process in this example may be configured to start when the power is turned on, or may be configured to start in response to receiving a process start request from the user.

  In the navigation process, first, the control unit 10 specifies the current time (step S201).

  When the current time is specified, the control unit 10 predicts the hunger arrival time with reference to the current time and eating habit information (step S202). That is, the control unit 10 specifies a meal time with reference to the eating habit information, obtains a difference between the specified meal time and the current time, and calculates a hungry arrival time indicating a time until the user feels hungry. .

Upon identifying the hungry arrival time, it is determined whether the-out bets that perform the recommended restaurant extracting process (step S203). In this example, the control unit 10 determines whether the specified hunger arrival time is within a predetermined time. The control unit 10 in this example is configured to extract a recommended restaurant when the hungry arrival time is within 30 minutes. Note that the determination table for determining whether the specified hungry arrival time is within a predetermined time may be stored in the storage unit 20 of the navigation device 100, or may be acquired from the outside. Also good. Moreover, the control part 10 may determine whether a recommended restaurant extraction process is performed by receiving operation which shows whether a recommended restaurant extraction process is performed from a user. When it is determined that it is not time to execute the recommended restaurant extraction process (N in Step S203), the control unit 10 proceeds to the process in Step S201 for specifying the current time.

  On the other hand, when it determines with it being time to perform a recommendation restaurant extraction process (Y of step S203), the control part 10 specifies a present position as a reference | standard point when performing a recommendation restaurant extraction process. (Step S204). In this example, the navigation device 100 is configured to identify the current position and extract a recommended restaurant using the current position as a reference point. However, the reference point is not limited to the current position, and an input operation related to a point desired by the user is performed. It is good also as a structure which receives and uses the received point as a reference | standard point.

  When the current position is specified, the control unit 10 determines a search range according to the predicted hungry arrival time, and searches for restaurants by referring to the determined search range and restaurant information (step S205). That is, a restaurant that can be reached before the hungry arrival time elapses is searched. The search range in this example is configured such that when the hungry arrival time is 30 minutes, it is determined as a radius within 15 km around the current position. That is, the navigation device 100 has a calculation formula for determining the search range corresponding to the hungry arrival time, and the calculation formula may be stored in a storage unit inside the navigation device, It is good also as a structure acquired from.

  Note that the navigation device 100 may be configured such that the control unit 10 determines a search range as well as a search range. That is, when the category corresponding to the meal time is “ramen”, the control unit 10 determines the search target as “ramen” and searches for restaurants that include the “ramen” category. Note that the navigation device 100 may be configured such that, when the category received in step S103 is the middle category, the major category corresponding to the middle category is the search target. That is, when the category registered by the user is “salt ramen” of the middle class, the navigation device 100 may be configured to search for restaurants where “salt ramen” is included in the middle class. It is good also as a structure which makes the search object the restaurant in which large classification "ramen" corresponding to "salt ramen" is contained in large classification.

  When searching for restaurants that can be reached before the hunger arrival time elapses, the control unit 10 calculates the required arrival time (step S206). The time required for arrival here is the time required to arrive at the restaurant. That is, the control part 10 performs a route search process about all the searched restaurants, and calculates the time required to arrive at each restaurant. In addition, since the navigation apparatus 100 of this example is configured to use the route calculated by the route search performed here when setting a recommended route described later, the calculated route is stored in itself or in an external storage medium. To do.

  When the required arrival time for each restaurant is calculated, the control unit 10 calculates a predicted meal start time for each restaurant (step S207). The predicted meal start time here is information indicating the time predicted to be required before the meal can be started. In other words, the control unit 10 can start the meal by adding the required arrival time and the waiting time (in this example, the combined time of the delay time and the cooking time due to the congestion level of the store) to the current time. The estimated meal start time indicating the time required to become is calculated.

  When the predicted meal start time is calculated, the control unit 10 determines whether or not there is a restaurant where the predicted meal start time is within a predetermined error range from the estimated hungry arrival time in the restaurant searched in step S205. Is determined (step S208). The predetermined error here is configured as a range of ± 5 minutes with respect to the hunger arrival time or a range from the hunger arrival time to 10 minutes before the hunger arrival time. When the meal time zone is calculated from the meal time, the control unit 10 determines whether or not the meal time zone includes a time obtained by adding the predicted meal start time to the current time. It only has to be configured.

  When it is determined that there is no restaurant where the predicted meal start time is within the predetermined error range with the estimated meal start time (N in step S208), the control unit 10 ends the navigation process. When it is determined that there is no restaurant, the control unit 10 accepts a tolerable time from the user (for example, presents the error adopted when it is determined that there is no restaurant to the user, and sets the error range). The time to expand is accepted as the patience time), and a range of a predetermined error may be expanded to determine whether or not the restaurant exists again.

  On the other hand, when there is a restaurant where the predicted meal start time is within a predetermined error range from the hungry arrival time (Y in step S208), the control unit 10 determines that the predicted meal start time is the hungry arrival time. And a restaurant within a predetermined error range is extracted as a recommended restaurant, and the recommended restaurant is stored in the storage unit 20 or the memory 30, and the recommended restaurant with reference to the road map information and the restaurant information. Is displayed on the display device of the user (step S209). FIG. 8 is a screen diagram illustrating an example of a display screen that displays information about recommended restaurants. As shown in FIG. 8, the display screen 801 includes a list 802 of recommended restaurants, a map 803, a position 804 of recommended restaurants on the map, a current position 805 on the map, and a “GO” button 806. Is displayed. Furthermore, it is good also as a structure which displays other information, such as the arrival time, the estimated meal start time, and the route to each recommended restaurant.

  When the information related to the recommended restaurant is displayed on the display device of the user, the control unit 10 receives selection of the recommended restaurant from the user (step S210). In this example, the navigation apparatus 100 accepts a selection operation of a restaurant name in the list of recommended restaurants 802 as a selection from the user, and presses the “GO” button 806 in a state where any of the recommended restaurants is selected. The operation is accepted as a selection operation of a recommended restaurant from the user.

  When the selection operation of the recommended restaurant is received from the user, the control unit 10 sets a guide route to the recommended restaurant indicated by the user's selection operation, and starts route guidance based on the set guide route (step S211). . Specifically, for example, the control unit 10 accepts a selection from one or more recommended restaurants displayed on the display screen, and recommends from the current position with the received recommended restaurant as the destination. The route is identified, the identified recommended route is set as a guidance route, and the route guidance to the recommended restaurant is performed by the set guidance route. The navigation device 100 of this example is configured to use the route calculated in step S206 when setting the guidance route. However, the configuration is not limited to such a configuration, and the route search process may be performed again. .

  When the route guidance is started, the control unit 10 determines whether or not a new recommended restaurant selection operation has been received from the user (step S212).

  FIG. 9 is a screen diagram illustrating an example of a display screen for accepting an operation for adding a recommended restaurant. As shown in FIG. 9, the display screen 801 includes a map 803, a current position 805 on the map, a recommended route 807 to the restaurant A (destination), and restaurants A and restaurants around the restaurant A. It includes a list 808, locations on the map of restaurants A and restaurants around restaurant A, and an “add” button 810. The user selects one of the restaurants other than the restaurant set as the destination (in this example, restaurant A), and presses the “Add” button in a state where either is selected, Can perform additional restaurant operations. That is, after setting the guide route, the control unit 10 displays at least one recommended restaurant candidate so as to be selectable, and receives a selection operation for the displayed recommended restaurant from the user.

  When it is determined that the selection operation is not accepted (N in Step S212), the control unit 10 determines whether or not the route guidance is to be ended (Step S215).

  On the other hand, when it is determined that a new recommended restaurant selection operation has been received (Y in step S212), the control unit 10 determines whether or not the newly received recommended restaurant can be set as a transit point. (Step S213). That is, when the accepted recommended restaurant is a transit point, the control unit 10 predicts the meal start time at the recommended restaurant that is the transit point and the predicted meal start at the recommended restaurant that is the destination. It is determined whether or not the newly accepted recommended restaurant is set as a transit point by confirming whether or not the times are within the range of the hungry arrival time and the predetermined error. Specifically, the control unit 10 predicts the hungry arrival time with reference to the current time and eating habit information for each of the recommended restaurants and the recommended restaurants that are set as transit points, The position is specified, the arrival time is calculated, and the estimated meal start time is calculated.

  In this example, only the case where the newly accepted recommended restaurant is used as a transit location is considered. However, the navigation device 100 uses the recommended restaurant as the destination as a transit location, and newly accepts it. When the recommended restaurant is the destination, the estimated start time of the meal at the recommended restaurant that is used as a stopover and the estimated start time of the meal at the recommended restaurant that is the destination are both determined to be hungry It may be configured to check whether or not it is within the error range.

  When it is determined that the newly accepted recommended restaurant cannot be set as a waypoint (N in Step S213), the control unit 10 determines whether or not to terminate the route guidance (Step S215).

  On the other hand, when it is determined that the newly accepted recommended restaurant can be set as the waypoint (Y in step S213), the control unit 10 resets the guide route and guides the route using the reset guide route. Is started (step S214). That is, when the control unit 10 determines to set as a waypoint, the recommended route from the current position with the recommended restaurant first received as the destination and the newly accepted recommended restaurant as the waypoint is used. Is specified again, the recommended route specified again is newly set as a guidance route, and route guidance is started.

  FIG. 10 is a screen diagram illustrating an example of a display screen in which the guide route is reset. As shown in FIG. 10, when setting the restaurant C as a transit point, the control unit 10 sets a recommended route 811 with the restaurant A as a destination via the restaurant C, and sets the recommended route 811 according to the recommended route 811. Execute the guidance route. In addition, although the navigation apparatus 100 of this example is set as the structure which uses the path | route searched when calculating the meal start prediction time at the time of setting of a guidance path | route, it is not restricted to such a structure, A route search process is again performed. It is good also as a structure which performs.

  When the route guidance is started by the reset guidance route, the control unit 10 determines whether or not the route guidance is terminated (step S215). When it is determined that the route guidance is not terminated (N in step S215), the process proceeds to step S212, and it is determined whether or not a new recommended restaurant has been received. On the other hand, when it determines with the control part 10 complete | finishing route guidance (step S215), a navigation process is complete | finished. For example, the control unit 10 ends the route guidance when the user arrives at the destination or receives a route guidance end operation from the user.

  The navigation processing according to this example has been described above.

  As described above, in the present embodiment, the navigation device 100 that displays the current position of the user on the map on the display screen of the display device and guides the user to the destination stores the map information including the road information. Restaurant information including information storage unit 21, eating habit information storage unit 22 that stores eating habit information indicating the user's eating habits, and waiting time that indicates the time from arrival at the restaurant until the start of the meal A restaurant information storage unit 23 for storing, predicting a hungry arrival time indicating a time until the user feels hungry with reference to the eating habit information (for example, step S202), and depending on the predicted hungry arrival time The search range is determined, the restaurant is searched by referring to the determined search range and restaurant information (for example, step S205), and the searched restaurant is searched based on the map information and the restaurant information. A required arrival time indicating the time required for arrival is calculated (for example, step S206), and the estimated meal start time calculated from the calculated required arrival time and waiting time is within the range of the hungry arrival time and a predetermined error. The restaurant is extracted as a recommended restaurant recommended to the user, and information on the extracted recommended restaurant is displayed on the display screen (for example, step S209). Therefore, the navigation device according to the present invention can present a restaurant where a user can start a meal when the user is hungry (that is, when the user wants to start a meal). You will be able to provide a diet.

  In particular, in the above-described embodiment, the standby time includes a delay time caused by the degree of congestion of the restaurant and a cooking time indicating the time required for cooking the food. According to such a configuration, the waiting time that varies depending on the nature of the store can be made more accurate, so that a more comfortable eating habit can be provided to the user.

  In the above-described embodiment, the navigation device 100 stores the eating habit information storage unit 22 that stores the meal time and the category of the restaurant in association with each other, and the restaurant that stores the restaurant information including the category of the restaurant. The information storage part 23 is provided, and it is set as the structure which searches the restaurant which belongs to the category corresponding to the specified meal time. According to such a structure, when providing a recommended restaurant to a user, the processing load of the navigation apparatus 100 can be reduced.

  Although not particularly mentioned in the above-described embodiment, the navigation device 100 may be configured to determine the periphery of the recommended route to the destination set and input by the user in advance as the search range. That is, the restaurant information includes link information (for example, link ID) indicating the corresponding road information, and the navigation device 100 searches for a restaurant corresponding to the route to the destination set by the user. Also good. Specifically, for example, when a navigation route is set, the navigation device 100 determines the vicinity of the set recommended route as a search range, and refers to the determined search range and restaurant information. What is necessary is just to search a restaurant. According to such a configuration, the search range can be narrowed down along the route of a predetermined distance from the current location to the recommended route point that can be reached by the hungry arrival time, thereby reducing the processing load. Will be able to. In addition, when visiting a restaurant, it is possible to guide a restaurant that can reach a destination without making a detour, so that the usability can be further improved.

  Although not particularly mentioned in the above-described embodiment, the navigation device 100 may be configured to provide a restaurant (for example, “restaurant with a delay time of 0 minutes” or “a delay time of 0 minutes” with a predetermined delay time). It is good also as a structure which makes search object "etc." According to such a configuration, it is possible to provide a comfortable life for users who dislike the act of line-up.

  Although not particularly mentioned in the above-described embodiment, the delay time may be configured according to time. That is, the delay time may be configured as information indicating congestion at a specific time (time). When the delay time is configured according to time, the navigation device is configured to consider the delay time at the meal start possible time.

  Although not particularly mentioned in the above-described embodiment, the delay time may be updated based on delay time information transmitted from a predetermined terminal every predetermined time. In other words, the navigation device 100 receives the latest delay time information transmitted from the predetermined terminal every predetermined time, updates the delay time using the received latest delay time information, and considers the updated delay time. Thus, the standby time may be determined. According to such a configuration, it becomes possible to present a recommended restaurant to the user reflecting a more accurate delay time, so that a more comfortable eating habit can be provided to the user.

  Although not specifically mentioned in the above-described embodiment, the navigation device 100 may be configured to store restaurant information including the waiting time at the parking lot in the restaurant information storage unit 23.

Although not particularly mentioned in the above-described embodiment, the navigation device 100 refers to the latest meal information indicating the type of the latest meal when performing the process of predicting the hungry arrival time. It may be configured to predict. In other words, the navigation device 100 includes a meal type time table storage unit that stores a meal type time table in which a meal type and a predetermined time according to the lightness of the meal are associated with each other. The latest meal information input operation indicating the type of meal is received from the user, the received latest meal information is registered in the eating habit information, and the hungry is reached by referring to the eating habit information including the most recent meal information and the meal type time table It may be configured to predict time. FIG. 11 is an explanatory diagram showing a storage state of the meal type time table. As shown in FIG. 11 , the meal type time table in this example is a table in which a meal type is associated with a predetermined time according to the lightness of the meal. For example, the meal type “ramen” is classified as “heavy” and stored in association with “+30” indicating that 30 minutes is added. Here, the information indicated as “+30” is the time added to the meal time. That is, the navigation device 100 is configured to predict that the user who has eaten a heavy meal such as ramen will be delayed by about 30 minutes from the normal time when the next hunger comes. Therefore, the navigation apparatus 100 can predict the time when the user feels hungry more accurately, and can provide a more comfortable eating habit for the user.

Although not specifically mentioned in the above-described embodiment, the navigation device 100 may be configured to determine the meal time used for the process of predicting the hungry arrival time based on the user's meal history. That is, the navigation apparatus 100 receives an input operation of meal history information indicating a past meal history from the user, registers the received meal history information in the eating habit information, and refers to the eating habit information including the meal history information. You may be set as the structure which estimates hungry arrival time. Figure 1 2 is an explanatory view showing the storage condition of dietary history information. As shown in Figure 1 2, diet history information of the present example, "breakfast" the daily diet history, "lunch", "dinner", and is information indicating for each time zone of the "supper". The daily meal history is information in which meal times are associated with meal contents. With reference to the meal history information stored in this manner, the navigation device 100 calculates the average meal time for each time period and predicts the hunger arrival time. At this time, the navigation device 100 is configured to calculate an average meal time for each time zone for each day of the week and use the calculated average meal time as the meal time used for the process of predicting the fasting time. May be. Moreover, the navigation apparatus 100 may be comprised so that the restaurant of the category corresponding to the meal content with the most frequency | count may be made into extraction object in the time slot | zone corresponding to a hungry arrival time. Note that the navigation device 100 may be configured to predict the hunger arrival time with reference to the meal history information and the latest meal information. That is, the navigation device 100 adjusts the meal time with reference to the latest meal information with respect to the meal time calculated with reference to the meal history information, and uses the adjusted meal time for the process of predicting the fasting time. You may be comprised so that it may be set as time.

  In the above-described embodiment, the navigation device 100 accepts a selection of one or more recommended restaurants displayed on the display screen, and starts from the current position with the received recommended restaurant as the destination. Since the recommended route is specified and the specified recommended route is set as the guidance route, it is possible to perform route guidance for the guidance route with the recommended restaurant selected by the user as the destination.

  In the above-described embodiment, when the navigation device 100 sets a guide route, the navigation device 100 newly accepts a selection of recommended restaurants other than the recommended restaurant that is the destination, and the newly accepted recommendation When a restaurant is used as a stopover, the estimated start time of meal at the recommended restaurant at the stopover and the predicted start of meal at the recommended restaurant as the destination are both within the range of the hungry arrival time and the predetermined error. It is determined whether or not a newly accepted recommended restaurant is set as a transit point by confirming whether or not it is, and the recommended restaurant that has been accepted is determined to be set as a transit point The recommended route from the current location with the newly received recommended restaurant as a stopover is specified again, and the specified recommended route is newly set as the guidance route. It may be. If comprised in this way, when going around a some restaurant, a guidance route can be easily set now.

  The present invention is useful for providing a user with a comfortable eating habits.

DESCRIPTION OF SYMBOLS 10 Control part 11 Sensor information processing part 12 Communication processing part 13 Hungry arrival time prediction part 14 Search part 15 Recommended restaurant extraction part 16 Route search part 20 Storage part 21 Road map information storage part 22 Eating habit information storage part 23 Restaurant information Storage unit 30 Memory 40 Output unit 50 Sensor unit 60 Communication unit 70 Input unit 100 Navigation device

Claims (8)

A navigation device for guiding a user to a destination by displaying the current position of the user on a map on a display screen of the display device,
Map information storage means for storing map information including road information;
Eating habit information storage means for storing eating habit information indicating the user's eating habits;
Restaurant information storage means for storing restaurant information including waiting time indicating the time from arrival at the restaurant until the start of meal;
A hungry arrival time predicting means for predicting a hungry arrival time indicating a time until the user feels hungry with reference to the eating habit information;
A restaurant search means for determining a search range according to the hungry arrival time predicted by the hungry arrival time prediction means, and searching for a restaurant with reference to the determined search range and the restaurant information;
Based on the map information and the restaurant information, the arrival time indicating the time required to arrive at the restaurant searched by the restaurant search means is calculated, and the calculated required arrival time and the waiting time are calculated. A recommended restaurant extraction means for extracting a restaurant that is predicted to be the start time of the meal calculated from the time and within a predetermined error range as a recommended restaurant recommended to the user;
The navigation apparatus characterized by including the display means which displays the information regarding the recommended restaurant extracted by this recommended restaurant extraction means on the said display screen. A meal type time table storage means for storing a meal type time table in which a meal time and a predetermined time according to the weight of the meal are associated with each other;
Latest meal information receiving means for receiving an input operation of the latest meal information indicating the type of the latest meal from the user;
The latest meal information registration means for registering the latest meal information received by the latest meal information reception means in the eating habit information,
The navigation apparatus according to claim 1, wherein the hungry arrival time predicting means predicts the hungry arrival time with reference to the eating habit information including the latest meal information and the meal type time table. And meal history information Ho受 with means for accepting an input operation of the meal history information indicating a history of past meals from a user,
Meal history information registration means for registering the meal history information received by the meal history information reception means in the eating habit information,
The navigation device according to claim 1, wherein the hungry arrival time predicting unit predicts the hungry arrival time with reference to the eating habit information including the meal history information. The navigation device according to any one of claims 1 to 3, wherein the waiting time includes a delay time caused by a degree of congestion in the restaurant and a cooking time indicating a time required for cooking the food. The navigation device according to claim 4, wherein the delay time is updated according to the latest delay time information transmitted from a terminal that manages delay time information related to the delay time. Recommended restaurant selection accepting means for accepting selection of one or more recommended restaurants displayed on the display screen by the display means;
A recommended route specifying means for specifying a recommended route from the current position with the recommended restaurant received by the recommended restaurant selection receiving means as a destination;
The navigation device according to any one of claims 1 to 5, further comprising a guidance route setting unit that sets the recommended route identified by the recommended route identification unit as a guidance route. The recommended restaurant selection accepting unit newly accepts any selection of recommended restaurants other than the recommended restaurant that is the destination when the guide route is set by the guide route setting unit,
When the recommended restaurant newly accepted by the recommended restaurant selection accepting means is used as a transit location, the recommended restaurant that is set as the estimated start time of the meal at the recommended restaurant that is the transit location and the destination It is determined whether or not to set a newly accepted recommended restaurant as a transit point by checking whether or not the estimated meal start time is within a predetermined error range with the hungry arrival time at Including waypoint determination means
The recommended route specifying means sets the recommended restaurant received by the recommended restaurant selection receiving means as a destination in response to the determination that the recommended route specifying means sets as a waypoint, and selects the recommended restaurant Re-specify the recommended route from the current location to the recommended restaurant newly accepted by the acceptance means,
The navigation device according to claim 6, wherein the guidance route setting unit newly sets the recommended route identified again by the recommended route identification unit as a guidance route. A navigation program for controlling the operation of a navigation device that displays a user's current position on a map on a display screen of a display device and guides the user to a destination,
Map information storing means for storing map information including road information, eating habit information storing means for storing eating habit information indicating a user's eating habits, and time from arrival at a restaurant until starting a meal In the navigation device comprising restaurant information storage means for storing restaurant information including waiting time,
A hungry arrival time prediction function for predicting a hungry arrival time indicating a time until the user feels hungry with reference to the eating habit information,
A restaurant search function for determining a search range according to the hungry arrival time predicted by the hungry arrival time prediction function, and searching for a restaurant with reference to the determined search range and the restaurant information;
Based on the map information and the restaurant information, the arrival time indicating the time required to arrive at the restaurant searched by the restaurant search function is calculated, and the calculated arrival time and the waiting time are calculated. A recommended restaurant extraction function for extracting a restaurant where the time calculated from the hungry arrival time and a predetermined error range as a recommended restaurant recommended to the user,
The navigation program for performing the display function which displays the information regarding the recommended restaurant extracted by this recommended restaurant extraction function on the said display screen.

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