JP2008241348A - Method for searching destination, car navigation device, and computer program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a car navigation device which enables its user to perform selection from genres of destinations displayed in the form of a list according to the existence of a fellow passenger, or change the order of arrangement of the genres according to the existence of the fellow passenger, and can display a convenient-to-use genre list according to the existence of the fellow passenger. <P>SOLUTION: The car navigation device 1 for performing a list display of sorts of destinations to search a destination and perform route guidance to the destination, is equipped with a storage device 70 in which a plurality of pieces of genre arrangement information representing a method of arrangement of each genre in the genre list, e.g. the order of the arrangement, or necessity of the arrangement, etc. are stored, an input interface 81 for acquiring a fellow-passenger signal representing the existence of the fellow passenger, and a controller 90 for selecting one piece of genre arrangement information stored in the storage device 70 according to the existence of the fellow passenger which the fellow-passenger signal acquired by the input interface 81 represents, and creating a genre list wherein genres are arranged on the basis of the selected piece of genre arrangement information. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a destination search method in which a car navigation device that guides a route displays a list of destination types and searches for a destination, a car navigation device that implements the destination search method, and a function of the car navigation device. The present invention relates to a computer program for realizing.

  In a conventional car navigation device, in order to facilitate a destination search, a search by genre, a search by telephone number, a search for a registered point registered in advance, a search by address, a search by name, and the like are possible. . FIG. 19 is an explanatory diagram showing an image of a search method in a conventional car navigation apparatus. FIG. 19A shows the first stage in the search, FIG. 19B shows the second stage, FIG. 19C shows the third stage, and FIG. 19D shows the fourth stage. The search target is narrowed down to.

  As shown in FIG. 19A, search methods such as “genre search”, “telephone number search”, “registration point search”, “address search”, and “name search” are used in the first stage immediately after the destination button is operated. Listed. Here, for example, when “genre search” is selected, the second-stage information shown in FIG. 19B is displayed. In the second stage, genres such as “gas station” and “shop” are displayed in a list. Here, when “shop” is selected, the search target is further narrowed down and the third-stage information shown in FIG. 19C is displayed. In the third stage, information about stores such as “convenience store”, “supermarket” or “department store” is displayed.

  Furthermore, here, when “department” is selected, the process proceeds to the fourth stage shown in FIG. 19D. In the fourth stage, “A department store”, “B department store” and the like are displayed in a list. A “details” button is also displayed alongside the “A department store” to “E department store” buttons. Here, when the user selects the “details” button through the touch panel, detailed information including text for introducing details of each department store to the user is displayed. For example, detailed information describing an access method to A department store, business date and time, parking information, store information in the department store, and the like is displayed. The user compares the detailed information of each department store displayed in the fourth stage, and selects one department store as the destination. Here, for example, when “A department store” is selected, a map of “A department store” as a final search result is displayed and set as a destination.

On the other hand, when there are many set destinations, for example, convenience stores in the travel area, several tens of destinations may be marked on the map displayed on the display. When dozens of destinations are marked, there is a problem that the user cannot quickly determine which destination is the store that best meets his wishes. Patent Document 1 proposes a car navigation device that can easily and quickly select a destination that matches a driver's desire by displaying the destination with priority. The priority condition can be set as appropriate by the driver, and for example, the distance from the travel position, business hours, and the like are set.
JP-A-8-184455

However, in the conventional genre search, the same genre is displayed in a list in the same arrangement order regardless of whether or not there is a passenger, so if there is a passenger, the genre that you do not want to display and the genre that does not need to be displayed May be displayed, which may impair the user's convenience.
Moreover, although the car navigation apparatus described in Patent Document 1 can give priority to destinations, the genre to be displayed cannot be changed according to the presence or absence of a passenger, etc., and solves the above problems. I can't.

  The present invention has been made in view of such circumstances, and various types of arrangement methods in the list, for example, various types of arrangement order, a plurality of types of arrangement information indicating the necessity of various types of arrangements, and the like, A type arrangement method for displaying a list according to the presence or absence of a passenger by selecting different type arrangement information according to the presence or absence of a passenger and generating and displaying a list in which various types are arranged based on the type arrangement information Destination search method, car navigation device, and the like, which can display a list of convenient types according to the presence or absence of passengers An object of the present invention is to provide a computer program for realizing the functions of a car navigation apparatus.

  Another object of the present invention is to select different type arrangement information according to the passenger's weight, so that the types of types to be displayed in a list according to the presence / absence of the passenger and whether the passenger is an adult or a child. It is an object of the present invention to provide a car navigation device that can change the arrangement method and display a convenient type list.

  Another object of the present invention is to select different types of arrangement information according to the number of passengers, so that the types of types displayed in a list according to the presence or absence of passengers and whether they are adults or children. It is an object of the present invention to provide a car navigation device that can change the arrangement method and display a convenient type list.

  Another object of the present invention is to store a plurality of search method arrangement information indicating the arrangement order of each search method in the list or the necessity of arrangement, and select different search method arrangement information depending on the presence or absence of a passenger. By changing the arrangement method of the search method to display a list according to the presence or absence of a passenger by configuring and generating a list in which each search method is arranged based on the search method arrangement information, for example, the search method It is an object of the present invention to provide a car navigation device that can display a list of search methods that can be selected or changed in order of search methods, and that can display a convenient search method list according to the presence or absence of a passenger.

  A destination search method according to a first aspect of the present invention is a destination search method in which a car navigation device that guides a route displays a list of destination types and searches for a destination. A plurality of information is prepared, a step of acquiring a passenger signal indicating the presence or absence of a passenger, a step of selecting different type arrangement information according to the presence or absence of a passenger indicated by the acquired passenger signal, and selected The method includes a step of generating a list in which various types are arranged based on the type arrangement information, and a step of displaying the generated list.

  The car navigation device according to the second aspect of the present invention is a car navigation device that displays a list of destination types and executes destination search and route guidance, and stores a plurality of types of arrangement information indicating different arrangement methods in the list. Storage means, acquisition means for acquiring a passenger signal indicating the presence or absence of a passenger, selection means for selecting different type arrangement information according to the presence or absence of a passenger indicated by the acquired passenger signal, and the selection means A list generating unit that generates a list in which various types are arranged based on the selected type array information, and a unit that displays a list of types generated by the list generating unit.

  A car navigation device according to a third aspect of the invention is configured to acquire a weight signal indicating the weight of the passenger, and the selecting means includes the presence or absence of the passenger indicated by the acquired passenger signal and the weight indicated by the weight signal. According to this, it is configured to select different type arrangement information.

  A car navigation device according to a fourth aspect of the invention is configured to acquire a passenger signal indicating presence / absence and number of passengers, and the selection means determines whether or not a passenger is present and the number of passengers indicated by the acquired passenger signal. Accordingly, different types of arrangement information are selected.

  A car navigation device according to a fifth aspect of the present invention provides a car navigation device that displays a list of destination search methods and executes destination search and route guidance, and includes search method arrangement information indicating an arrangement method of each search method in the list. Stored storage means; acquisition means for acquiring a passenger signal indicating the presence or absence of a passenger; selection means for selecting different search method arrangement information according to the presence or absence of a passenger indicated by the acquired passenger signal; and the selection A list generation unit that generates a list in which each search method is arranged based on the search method arrangement information selected by the unit, and a unit that displays a list of the search methods generated by the list generation unit.

  A computer program according to a sixth aspect of the present invention is implemented in a car navigation device that displays a list of destination types and executes destination search and route guidance, and includes type arrangement information indicating various arrangement methods in the list. A plurality of stored computers are caused to execute a step of selecting different type arrangement information according to the presence or absence of a passenger, and a step of generating a list in which various types are arranged based on the selected type arrangement information. And

In the first invention, the second invention, and the sixth invention, the storage means stores a plurality of types of array information. The plurality of types array information is information for selecting, for example, the types to be displayed in a list according to the presence or absence of a passenger and arranging them in a specific order according to the presence or absence of a passenger.
The selection means selects different type arrangement information depending on the presence or absence of a passenger indicated by the fellow passenger signal acquired by the acquisition means. The list generation unit generates a list in which various types are arranged based on the type arrangement information selected by the selection unit, and the car navigation device displays a list generated according to the presence or absence of a passenger. Therefore, it is possible to display different type lists according to the presence or absence of a passenger.
Note that the arrangement method may include not only the arrangement order of types and selection, but also information indicating the arrangement location, the size of characters for displaying the type, and the like.
The type of destination means, for example, public facilities, shops, sightseeing spots, etc. in genre search, but includes other types that can classify destinations. For example, you may comprise so that it may classify | categorize by business hours, a budget, the number of visitors, etc.

In the third invention, the selection means selects different type arrangement information according to the presence or absence of the passenger indicated by the passenger signal and the detection result of the weight detection means for detecting the weight of the passenger.
Therefore, the car navigation device displays a list assuming no passengers, a list assuming adult passengers, and a list assuming child passengers, depending on the presence or absence of passengers, adults, and children. be able to.

In the fourth invention, the selecting means selects different type arrangement information according to the presence or absence of the passenger indicated by the passenger signal and the number of passengers.
Therefore, the car navigation apparatus displays a list assuming no passengers, a list assuming one passenger, and a list assuming a plurality of passengers according to the presence or absence of passengers and the number of passengers. be able to.

  In the fifth invention, a plurality of search method arrangement information with different storage means is stored. The plurality of search method arrangement information is information for selecting, for example, a search method to be displayed in a list according to the presence / absence of a passenger and arranging them in a specific order according to the presence / absence of the passenger. The selection means selects different search method arrangement information according to the presence or absence of a passenger indicated by the passenger signal acquired by the acquisition means. The list generation unit generates a list in which the search methods are arranged based on the search method arrangement information selected by the selection unit, and the car navigation apparatus displays the list generated according to the presence or absence of a passenger. Therefore, different search method lists according to the presence or absence of a passenger can be displayed.

  According to the first invention, the second invention, and the sixth invention, the arrangement method of the types to be displayed in a list is changed according to the presence or absence of a passenger, for example, the types to be displayed in the list are selected or the arrangement order of the types is changed. It is possible to display a convenient type list according to the presence or absence of a passenger.

  According to the third aspect of the present invention, it is possible to change the arrangement method of the types to be displayed in a list according to the presence / absence of a passenger and whether the child is an adult or a child, and a highly convenient type list can be displayed.

  According to the fourth aspect of the present invention, it is possible to change the arrangement method of the types to be displayed in a list according to the presence or absence of a passenger and whether or not there are a plurality of passengers, and a highly convenient type list can be displayed. .

  According to the fifth invention, the arrangement method of the search methods to be displayed in a list according to the presence or absence of a passenger can be changed, for example, the search method can be selected or the arrangement order of the search methods can be changed. A convenient search method list can be displayed.

Embodiments of the present invention will be described below with reference to the drawings.
(Embodiment 1)
FIG. 1 is a block diagram showing a hardware configuration of a car navigation apparatus 1 according to Embodiment 1 of the present invention. A car navigation device 1 that performs a destination search method according to Embodiment 1 of the present invention includes a GPS receiver 10, a self-contained navigation sensor 11, a VICS / FM multiplex receiver 12, an operation panel 20, a voice input unit 21, and a remote controller. 22, input interface 23, communication control unit 30, storage device 70 for storing map data, audio output unit 40, speaker 41, clock unit 63, display control unit 50, display 51, program memory 60, data memory 61, external A memory 62, a passenger seat passenger detection unit 80, an input interface 81, and a control unit 90 for controlling each unit are configured.

  The GPS receiver 10 receives radio waves from an artificial satellite (GPS satellite) and measures the current position and current direction of the vehicle. The measured position information includes data on the latitude, longitude, and altitude of the vehicle. The self-contained navigation sensor 11 includes a vehicle speed sensor that detects a moving distance of the vehicle and an angle sensor that detects a rotation angle of the vehicle. Output signals from the GPS receiver 10 and the self-contained navigation sensor 11 are supplied to the control unit 90, and the control unit 90 calculates the current position and direction of the vehicle based on these output signals.

  The VICS / FM multiple receiver 12 sequentially receives the current road traffic information outside the vehicle via the antenna 13. VICS provides road traffic information in real time, and transmits information by FM multiplexing (text broadcasting), radio wave beacons, and optical beacons.

  The operation panel 20, the voice input unit 21, and the remote controller 22 constitute an input unit of the car navigation device 1. The user gives various instructions and settings such as a search for a destination, a search for a route to the destination, and a setting change of the display 51 screen to the car navigation apparatus 1 via these input units. The operation panel 20 can use, for example, a plurality of operation keys 52 provided at the lower part of the display 51. The voice input unit 21 transmits a user's voice input from a voice input microphone (not shown) to the input interface 23 and converts the voice analog signal into a digital signal.

  The remote controller 22 includes a plurality of input keys, and when the user operates the input keys, the input operation is transmitted to the input interface 23 via radio. The input interface 23 is connected to the operation panel 20, the voice input unit 21, and the remote controller 22, and transmits input information input by the user to the control unit 90. The clock unit 63 outputs the current date and time to the control unit 90.

  The passenger seat passenger detection unit 80 includes, for example, a sensor that detects attachment / detachment of a seat belt. When the seat belt tongue is inserted into the seat belt buckle, the passenger seat passenger detection unit 80 outputs a passenger signal indicating that there is a passenger, for example, a high level signal, via the input interface 81. When the seat belt tongue is disengaged from the seat belt buckle, a passenger signal indicating that there is no passenger, for example, a low level signal, is supplied to the control unit 90 via the input interface 81.

  The storage device 70 as a database is a recording medium such as a hard disk drive (HDD), DVD, CD-ROM, and the like, map data, address, telephone number, facility, and facility introduction information required for the car navigation device 1. (Hereinafter referred to as detailed information). The storage device 70 stores a detailed information database (hereinafter referred to as DB) 71, a map DB 72, a telephone number DB 73 and an address DB 74, a search method arrangement table 75, a genre arrangement table 76, and the like. In addition, the storage device 70 stores various image components constituting a search method list and a genre list, which will be described later. These DBs store various data in separate DBs for ease of explanation. However, the data should be stored appropriately according to the design, such as storing data in a single database. It ’s fine.

FIG. 2 is an explanatory diagram showing a record layout of the search method arrangement table 75. The search method arrangement table 75 is information for selecting a search method to be displayed in a list according to the presence or absence of a passenger and arranging them in a specific order. For example, the search method number, one search method, the necessity or arrangement order of the search method when there is no passenger, and the sequence order (search method arrangement information), and the arrangement of the search method when there is a passenger It is a table in which necessity or arrangement order (search method arrangement information) is associated.
Hereinafter, information indicating the necessity or arrangement order of the search method when there is no passenger, the search method arrangement information for the driver, information indicating the necessity or arrangement order of the search method when there is a passenger This is referred to as passenger search method sequence information.

More specifically, “genre search”, which is one search method, is associated with search method number 1 by arrangement sequence 1 when there is no passenger and arrangement sequence 3 when there is a passenger. It has been. Also, for search method number 2, “peripheral search” is associated with the arrangement order 2 when there is no passenger, and with the symbol “x” indicating that no arrangement is required when there is a passenger. ing. Similarly, for other search method numbers 3, 4, 5, and 6, the search method is associated with the necessity or order of the arrangement according to the presence or absence of a passenger.
For convenience of explanation, the “x” symbol is used, but the search method sequence information holds information indicating that the sequence is not necessary using a “0” symbol, a NULL symbol, or the like. . Further, the data structure shown in FIG. 2 is an example, and other data structures may be adopted as long as the information can specify the arrangement method of each search method according to the presence or absence of a passenger. For example, the search method sequence information that associates the search method number with the sequence information when there is no passenger and the search method sequence information that associates the search method number with the sequence information when there is a passenger are stored separately. In addition, the genre number may be associated.

FIG. 3 is an explanatory diagram showing a record layout of the genre arrangement table 76. The genre arrangement table 76 is information for selecting a genre of destinations to be displayed in a list according to the presence or absence of a passenger and arranging them in a specific order. For example, the genre arrangement table 76 includes a genre number, one genre, necessity / arrangement order of the genre when there is no passenger (type arrangement information), and arrangement of the genre when there is a passenger. This is a table in which the necessity or arrangement order (type arrangement information) is associated. Hereinafter, information indicating the necessity or arrangement order of the genre when there is no passenger, genre arrangement information for the driver, and information indicating the necessity or arrangement order of the genre when there is a passenger This is called genre arrangement information.
More specifically, genre number 1 is associated with “general gas station”, which is one genre, arrangement order 1 when there is no passenger, and arrangement order 4 when there is a passenger. In addition, with respect to genre number 4, “general store” which is another genre, arrangement order 4 when there is no passenger, and symbol “x” indicating that no arrangement is required when there is a passenger Are associated. Similarly, other genre numbers 2, 3, 5, 6,..., 10 are associated with genres and necessity or order of arrangement according to the presence or absence of passengers.

  The detailed information DB 71 stores detailed information including text for introducing details of each facility to the user in association with facilities such as stations, airports, gas stations, hotels, government offices, famous places / historic sites, hospitals, and the like. . The detailed information DB 71 includes a facility ID field, a facility field, and a detailed information field. A unique ID for specifying a facility is stored in the facility ID field, and a name of the facility is stored in association with the ID in the facility field. Detailed information is stored in the detailed information field in association with the facility ID and the facility.

  The map DB 72 stores map data, which includes drawing data and road data for drawing facilities and the like on the map, and the road data includes link information and nodes connected to the links. Contains information. The link information includes information such as road width, distance, road type and the like including link position information. The node information includes the position and type of the intersection, the lane information of the intersection, and the like. The telephone number DB 73 stores the telephone number of the facility in association with the facility ID. The address DB 74 stores the address of the facility in association with the facility ID.

  The communication control unit 30 transmits and receives data wirelessly. The communication control unit 30 may include a communication device that transmits / receives data in the car navigation device 1, or externally attaches a mobile phone or an electronic device having a communication function to the car navigation device 1. May be. The communication control unit 30 communicates with an external server or the like via a network, and sequentially obtains real-time dynamic information by transmitting and receiving data related to road traffic information with a traffic information center such as ATIS, for example. Can do. Furthermore, the latest road data, map data, facility data, and latest music data can be downloaded from a predetermined server, and the contents of the storage device 70 can be updated. In addition, the communication control unit 30 can give entertainment information and road traffic information about facilities, restaurants, etc. possessed by the car navigation device 1 to a mobile phone or the like.

  The sound output unit 40 includes a speaker 41, and outputs sound from the speaker 41 under the control of the control unit 90. For example, as information to reach the destination, a voice prompting attention to the direction of the course is output before the intersection, or when the user inputs the car navigation device 1 in an interactive format, the user is prompted to input an operation. Output voice instructions. Furthermore, the audio output unit 40 outputs music when the car navigation device 1 executes an audio function.

  The display control unit 50 is connected to the display 51 and, under the control of the control unit 90, displays a map on the display 51 based on data read from the storage device 70 or the data memory 61, or displays a map of the vehicle on the map. A vehicle mark indicating the current position, a route to the destination, a guidance display at a branch point such as an intersection, and a landmark of the facility are combined. Furthermore, information related to instructions and operations input by the user from the operation panel 20 or the like is displayed on a map or on a different screen. The display control unit 50 preferably includes a VRAM such as a FIFO, stores data related to the map, road, and guidance display read from the storage device 70 and the data memory 61 in the VRAM, and stores the map data read from the VRAM. Combine various data. The display 51 is a horizontally wide screen using liquid crystal or plasma, for example, and can display two screens under the control of the display control unit 50.

  The program memory 60 stores various programs executed in the car navigation apparatus 1, and these programs are executed by the control unit 90. The program memory 60 may be configured using a rewritable RAM, for example, and may read a program stored in the storage device 70. Alternatively, a ROM in which a program is stored in advance can be used. The contents of the program include, for example, a program for searching for a route to the destination, a program for setting / changing a map displayed on the display 51, a program for selecting a facility according to the first embodiment, and the like. Including.

  The data memory 61 stores processing results of various operations processed by the control unit 90, map data read from the storage device 70, and the like. Further, the data memory 61 stores the searched guidance route data and the road traffic information received from the VICS / FM multiplex receiver 12 when the control unit 90 searches for the route to the destination. As the data memory 61, DRAM, SRAM, flash memory, or the like can be used. The contents of the data memory 61 may be transferred to the storage device 70 after using the car navigation device 1. Further, the external memory 62 that can be attached to the car navigation device 1 may be used in combination with the data memory 61.

  FIG. 4 is a flowchart illustrating a processing procedure of the control unit 90 related to the display of the search method list, and FIG. 5 is a schematic diagram illustrating an example of the search method list displayed on the display 51. The control unit 90 determines whether or not an operation signal for starting a destination search is received from the operation panel 20 or the operation key 52 by monitoring the operation state of the operation panel 20 or the operation key 52 ( Step S11). If it is determined that the operation signal for starting the search for the destination has not been received (step S11: NO), the control unit 90 ends the process.

  When it is determined that the operation signal for starting the search for the destination has been received (step S11: YES), the control unit 90 receives the passenger signal output from the passenger seat passenger detection unit 80 (step S11). S12). And the control part 90 determines the presence or absence of a passenger based on the received passenger signal (step S13). In addition, the control part 90 functions as an acquisition means by the process of step S12.

  When it is determined that there is no passenger (step S13: NO), the control unit 90 selects the search method arrangement information for the driver from the search method arrangement table 75, and the search method arrangement information for the driver is used as shown in FIG. A list of search methods for the driver as shown in (a) is generated (step S14).

As a result of the processing in step S14, as shown on the left side in FIG. 5A, an image having four rectangular blocks juxtaposed vertically and horizontally and a “next” button is generated. In the upper left block, the search method of the arrangement order 1 when there is no passenger is displayed. Similarly, in the lower left, upper right, and lower right blocks, the search method of the arrangement order 2, 3, and 4 when there is no passenger is displayed. For example, when the search method arrangement table 75 shown in FIG. 2 is stored, “genre search”, “periphery search”, “phone number search”, “50” are respectively displayed in the upper left, lower left, upper right, and lower right blocks. The search method of “Sound Search” is displayed.
Similarly, as shown on the right side in FIG. 5A, an image having four rectangular blocks arranged two by two vertically and horizontally and a “return” button is generated. Each image is an image that can be switched between each other by operating the “next” button and the “back” button. In the upper left block on the right side of FIG. 5A, “highway search” in arrangement order 5 is displayed, and “history search” in arrangement order 6 is displayed in the lower left block.

  And the control part 90 displays the search method list | wrist for the produced | generated drivers, for example, the image of the left side or the right side in Fig.5 (a) on the display 51 (step S15), and complete | finishes a process.

  The user can select a search method by operating the search method block displayed on the display 51 using the operation panel 20, and can search for a destination using the selected search method. For example, when the user knows the telephone number of the destination, the destination having the telephone number can be marked on the map by selecting the “phone number” search method and entering the telephone number. .

  When it is determined in step S13 that there is a passenger (step S13: YES), the control unit 90 selects the passenger search method arrangement information from the search method arrangement table 75, and uses the passenger search method arrangement information. A list of search methods for passengers as shown in FIG. 5B is generated (step S16).

  By the process of step S16, as shown in FIG. 5B, an image having four rectangular blocks juxtaposed two by two vertically and horizontally is generated. In the upper left, lower left, and upper right blocks, the search methods for the arrangement order 1, 2, and 3 when there is a passenger are displayed. For example, when the search method arrangement table 75 shown in FIG. 2 is used, “phone number search” in arrangement order 1 when there is a passenger is displayed, and “50-sound search” in arrangement order 2 is displayed in the lower left block. Is displayed. In the upper right block, “genre search” in array order 3 is displayed.

  Then, the control unit 90 displays the generated passenger search method list on the display 51 (step S17), and ends the process.

  Note that the control unit 90 functions as a selection unit and a list generation unit by the processing of step S14 and step S16.

  By executing the processing of FIG. 4, a search method list according to the presence or absence of a passenger can be displayed, and the convenience of the car navigation device 1 can be improved. For example, if there is a passenger, you can hide the search method such as “History Search” that you do not want to display from the viewpoint of privacy, and display “History Search” only when there is no passenger. Can do.

  FIG. 6 is a flowchart illustrating a processing procedure of the control unit 90 related to the display of the genre list, and FIG. 7 is a schematic diagram illustrating an example of the genre list displayed on the display 51. The control unit 90 determines whether “genre search” is selected from the search method list by monitoring the operation state of the operation panel 20 (step S31). When it determines with genre search not being selected (step S31: NO), the control part 90 complete | finishes a process.

  When it is determined that the genre search is selected (step S31: YES), the control unit 90 receives the passenger signal output from the passenger seat passenger detection unit 80 (step S32). And the control part 90 determines the presence or absence of a passenger based on the received passenger signal (step S33).

  When it is determined that there is no passenger (step S33: NO), the control unit 90 selects driver genre arrangement information from the genre arrangement table 76, and the driver genre arrangement information is shown in FIG. 7A. A genre list for the driver as shown is generated (step S34).

  As a result of the processing in step S34, an image including a list of genres arranged in the vertical direction as shown in FIG. 7A, a “return” button, an “end” button, a scroll bar, and the like is generated. Each genre is arranged in ascending order from top to bottom. Specifically, when there is no passenger, arrangement order 1 “gas station”, arrangement order 2 “shop”, arrangement order 3 “registration list”, arrangement order 4 “custom store”, arrangement order 5 “Sightseeing spots” are arranged from the top to the bottom.

  And the control part 90 displays the produced | generated genre list for drivers | operators on the display 51 (step S35), and complete | finishes a process.

  As shown in FIG. 7, the user can select a destination type displayed on the display 51 using the operation panel 20 to display destinations belonging to the type, and search and set the destination. It is also possible to search the destination by hierarchically configuring the destination genre and selecting the genre sequentially. Although the above description mainly describes the case where the upper genre is arranged and the arrangement order is changed, it goes without saying that the genre arrangement table 76 is prepared for the lower genre, and the genre arrangement is determined according to the presence or absence of a passenger. You may comprise so that it may change.

  When it is determined in step S33 that there is a passenger (step S33: YES), the control unit 90 selects the passenger genre arrangement information from the genre arrangement table 76, and the passenger genre arrangement information in FIG. A genre list for passengers as shown in b) is generated (step S36).

  By the processing in step S36, as shown in FIG. 7B, an image including a list of genres arranged in the vertical direction, a “return” button, an “end” button, a scroll bar, and the like is generated. Each genre is arranged in ascending order from top to bottom. Specifically, when there is a passenger, the order of car drive of the arrangement order 1, the sightseeing spot of the arrangement order 2, the shop of the arrangement order 3, the gas station of the arrangement order 4, the eating and drinking of the arrangement order 5 from above Arranged downward.

  Then, the control unit 90 displays the generated passenger genre list on the display 51 (step S37), and ends the process.

  By executing the processing of FIG. 6, it is possible to display a list of search methods according to the presence or absence of a passenger, and the convenience of the car navigation device 1 can be improved. For example, if there is a passenger, you can avoid displaying search methods such as “History Search” and “Fashion Shop” that you do not want to display from the privacy point of view. ”And“ custom store ”can be displayed.

  In the destination search method and the car navigation apparatus 1 according to the first embodiment, the genre to be displayed in a list can be selected according to the presence or absence of the passenger, and the arrangement order of the genres can be changed. A highly convenient genre search list according to the presence or absence can be displayed.

  In addition, it is possible to select a search method to display a list according to the presence or absence of a passenger, change the order of the search methods, and display a convenient search method list according to the presence or absence of a passenger it can.

  Further, since the search method list and the genre list are generated based on the search method array table 75 and the genre array table 76, it is not necessary to store all the lists according to the presence or absence of the passengers in the storage device 70. The capacity can be reduced and the structure can be reduced at a low cost.

  In the first embodiment, the arrangement method of the search method list and the genre list is changed according to the presence / absence of the passenger, but only the search method list is changed according to the presence / absence of the passenger. It may be configured to change or change only the genre list.

  The search method and genre are selected according to the presence or absence of a passenger, but if there is no problem in convenience, only the search method or the genre arrangement order is changed according to the presence or absence of a passenger. May be.

  Furthermore, the search method and genre arrangement order are changed according to the presence or absence of passengers, but if there is no problem in convenience, only the search method or genre selection is performed according to the presence or absence of passengers You may do it.

  Furthermore, in the first embodiment, the storage device 70 stores the driver genre arrangement information and the passenger genre arrangement information as one file, but the storage method of each information is not limited to this. A plurality of files may be stored separately.

  Furthermore, as a genre for classifying the destination, a shop, a sightseeing spot, etc. are exemplified, but the type for classifying the destination is not limited to this as long as the destination can be classified. For example, you may comprise so that it may classify | categorize by the opening time of a destination, a budget, etc.

  Further, the passenger seat passenger detection unit 80 is configured to detect the presence or absence of a passenger by attaching and detaching the seat belt, but is configured to detect the presence or absence of a passenger by using an infrared sensor, a weight sensor, or the like. You may do it. When using an infrared sensor or weight sensor, it is possible to accurately detect the presence or absence of a passenger even if the passenger is not wearing a seat belt. Can be displayed without error.

(Embodiment 2)
FIG. 8 is a block diagram showing a hardware configuration of car navigation device 201 according to Embodiment 2 of the present invention. The car navigation device 201 according to the second embodiment has the same configuration as the car navigation device 1 according to the first embodiment. Since the weight sensor 82 is provided and only the processing procedure of the control unit 90 is different, the difference will be mainly described below.

  The weight sensor 82 includes, for example, a piezoelectric element, an amplifier, and the like arranged on the passenger seat, and outputs an analog or digital weight signal corresponding to the pressure applied to the piezoelectric element via the input interface 81. It is configured. The weight signal output from the weight sensor 82 is input to the control unit 90 via the input interface 81. In addition, although the piezoelectric element was illustrated as the weight sensor 82, it is an example to the last and you may comprise so that a weight may be detected with another method. For example, a switch that is turned on when a predetermined weight is applied and turned off when a weight less than the predetermined weight is applied may be used.

FIG. 9 is an explanatory diagram showing a record layout of the genre arrangement table 76 in the second embodiment. The genre arrangement table 76 is information for selecting a genre to be displayed in a list according to the presence or absence of a passenger and whether the passenger is an adult or a child, and arranging them in a specific order. For example, the genre number, one genre, the necessity or arrangement order of the genre when there is no passenger, the necessity or arrangement order of the genre when there is an adult passenger, and children It is the table which matched the necessity of arrangement | sequence, or arrangement | sequence order in the case where there is a fellow passenger.
Hereinafter, information indicating the necessity or arrangement order of the genre when there is no passenger, genre arrangement information for drivers, information indicating the necessity or arrangement order of the genre when there is an adult passenger Passenger / adult genre arrangement information and information indicating the necessity or arrangement order of the genre when there is a child passenger are referred to as passenger / child genre arrangement information.

  More specifically, genre number 1, one genre “gas station”, arrangement order 1 when there is no passenger, arrangement order 4 when there is an adult passenger, and a child passenger This is associated with the arrangement order 4 in the case where there is. The same applies to the other genre numbers 2, 3, 4, 5, 6,.

  10 and 11 are flowcharts showing the processing procedure of the control unit 90 related to the display of the genre list in the second embodiment, and FIG. 12 is a schematic diagram showing an example of the genre list displayed on the display 51. The control unit 90 determines whether genre search is selected from the search method list by monitoring the operation state of the operation panel 20 (step S51). When it determines with genre search not being selected (step S51: NO), the control part 90 complete | finishes a process.

  When it is determined that the genre search is selected (step S51: YES), the control unit 90 receives the passenger signal output from the passenger seat passenger detection unit 80 (step S52), and is output from the weight sensor 82. The weight signal received is received (step S53).

  And the control part 90 determines the presence or absence of a passenger based on the received passenger signal (step S54).

  When it is determined that there is no passenger (step S54: NO), the control unit 90 selects driver genre arrangement information from the genre arrangement table 76, and the driver genre arrangement information is shown in FIG. 7A. A genre list for the driver as shown is generated (step S55). And the control part 90 displays the produced | generated genre list for drivers | operators on the display 51 (step S56), and complete | finishes a process.

  When it determines with there being a passenger in step S54 (step S54: YES), the control part 90 determines whether a passenger is a child based on a weight signal (step S57). For example, whether or not the passenger is an adult is determined based on whether or not the level of the weight signal is equal to or greater than a threshold value.

  When it is determined that the fellow passenger is an adult (step S57: NO), the control unit 90 selects the fellow passenger / adult genre arrangement information from the genre arrangement table 76, and uses the fellow passenger / adult genre arrangement information. A genre list for adult passengers as shown in FIG. 12A is generated (step S58).

  As shown in FIG. 12A, the genre such as “car drive”, “tourist spot”, “shop”, “gas station”, “eating / drinking” is changed in order from the top to the bottom by the processing of step S58. Arranged.

  And the control part 90 displays the produced | generated genre list for adult passengers on the display 51 (step S59), and complete | finishes a process.

  When it is determined that the fellow passenger is a child (step S57: YES), the control unit 90 selects the passenger / children genre array information from the genre array table 76, and uses the passenger / children genre array information. A genre list for passengers as shown in FIG. 12B is generated (step S60).

  By the processing in step S60, as shown in FIG. 12B, genres such as “play / view”, “shop”, “eat / drink”, “gas station”, “other”, etc. Arranged.

  And the control part 90 displays the produced | generated genre list for the passengers of the child on the display 51 (step S61), and complete | finishes a process.

  In the destination search method and the car navigation apparatus 201 according to the second embodiment, the genre to be displayed in a list is selected according to the presence or absence of a passenger and whether the vehicle is an adult or a child, or the genre arrangement order is changed. It is possible to change and display a convenient genre list.

  Although the second embodiment shows a configuration in which the genre list is changed according to the presence / absence of a passenger, the adult and child of the passenger, the search method list may be similarly changed. .

  Moreover, although it has comprised so that an adult and a child may be discriminate | determined by weight, if necessary, the genre list displayed as a list according to weight may be further subdivided.

  Other configurations, operations, and effects of the destination search method and the car navigation device 201 according to the second embodiment are the same as the configurations, operations, and effects of the destination search method and the car navigation device 1 according to the first embodiment. For this reason, the corresponding portions are denoted by the same reference numerals and detailed description thereof is omitted.

(Embodiment 3)
FIG. 13 is a block diagram showing a hardware configuration of car navigation device 301 according to Embodiment 3 of the present invention. The car navigation device 301 according to the third embodiment has the same configuration as the car navigation device 1 according to the first embodiment. Since the rear seat passenger detection unit 83 is provided and only the processing procedure of the control unit 90 is different, the difference will be mainly described below.

  Like the passenger seat, the rear seat passenger detection unit 83 includes a sensor for detecting the attachment / detachment of the seat belt. When the seat belt tongue is inserted into the seat belt buckle, the passenger seat detection means that there is a passenger in the rear seat. A passenger signal indicating, for example, a high level signal to the control unit 90 via the input interface 81, and when the seat belt tongue is detached from the seat belt buckle, a passenger signal indicating that there is no passenger in the rear seat; For example, a low level signal is supplied to the control unit 90 via the input interface 81. In view of the low seat belt mounting rate of the rear seat, a passenger signal indicating the presence or absence of a passenger in the rear seat may be output using a pressure sensor, an infrared sensor, or the like.

FIG. 14 is an explanatory diagram showing a record layout of the genre arrangement table 76 in the third embodiment. The genre arrangement table 76 is information for selecting a genre to be displayed in a list according to the presence or absence of a passenger and the number of passengers, and arranging them in a specific order. For example, the genre number, one genre, the necessity or arrangement order of the genre when there is no passenger, the necessity or arrangement order of the genre when there is one passenger, and a plurality of It is the table which matched the necessity of arrangement | sequence, or arrangement | sequence order in the case where there is a fellow passenger.
Hereinafter, information indicating the necessity or arrangement order of the genre when there is no passenger, genre arrangement information for drivers, information indicating the necessity or arrangement order of the genre when there is one passenger Passenger one-person genre arrangement information, and information indicating the necessity or arrangement order of the genre when there are a plurality of passengers, are referred to as family genre arrangement information.

  More specifically, there is a genre number 1, a gas station that is one genre, an arrangement order 1 when there is no passenger, an arrangement order 4 when there is one passenger, and a plurality of passengers. This is associated with the arrangement order 5 in the case. The same applies to the other genre numbers 2, 3, 4, 5, 6,.

  FIGS. 15 and 16 are flowcharts illustrating the processing procedure of the control unit 90 related to the display of the genre list in the third embodiment, and FIG. 17 is a schematic diagram illustrating an example of the genre list displayed on the display 51. The control unit 90 determines whether genre search is selected from the search method list by monitoring the operation state of the operation panel 20 (step S71). When it is determined that the genre search is not selected (step S71: NO), the control unit 90 ends the process.

  When it is determined that the genre search is selected (step S71: YES), the control unit 90 receives the passenger signal output from the passenger seat passenger detection unit 80 (step S72), and detects the rear seat passengers. The passenger signal output from the unit 83 is received (step S73).

  And the control part 90 determines the presence or absence of a passenger based on the received passenger signal (step S74).

  When it is determined that there is no passenger (step S74: NO), the control unit 90 selects the driver genre array information from the genre array table 76, and the driver genre array information is shown in FIG. 7A. A list of genres of destinations for the driver as shown is generated (step S75). Then, the control unit 90 displays the generated genre list for the driver on the display 51 (step S76), and ends the process.

  When it is determined in step S76 that there are passengers (step S74: YES), the control unit 90 determines whether or not there are a plurality of passengers based on the passenger signals provided from the rear seat passenger detection unit 83. Is determined (step S77).

  When it is determined that there are not a plurality of passengers (step S77: NO), the control unit 90 selects genre arrangement information for one passenger from the genre arrangement table 76, and the genre arrangement information for one passenger is shown in FIG. A genre list for one passenger as shown in a) is generated (step S78).

  As shown in FIG. 17A, the genre such as “car drive”, “tourist spot”, “shop”, “gas station”, “eat / drink” is changed in order from the top to the bottom as a result of the process in step S78. Arranged.

  Then, the control unit 90 displays the generated genre list for the passenger seat on the display 51 (step S79), and ends the process.

  When it is determined that there are a plurality of passengers (step S77: YES), the control unit 90 selects family genre arrangement information from the genre arrangement table 76, and the family genre arrangement information is shown in FIG. 17 (b). A family genre list having a plurality of passengers as shown is generated (step S80).

  By the processing in step S80, as shown in FIG. 17B, “sightseeing spots”, “play / view”, “shop”, “gas station”, and the like are arranged in order from the top to the bottom.

  And the control part 90 displays the produced | generated genre list for families on the display 51 (step S81), and complete | finishes a process.

  In the destination search method and car navigation apparatus 301 according to the third embodiment, the genres to be displayed in a list are selected or the genre arrangement is selected according to the presence or absence of a passenger and whether or not there are a plurality of passengers. The order can be changed, and a highly convenient genre list can be displayed.

  In the destination search method and the car navigation apparatus 301 according to the third embodiment, the genre to be displayed in a list is selected according to the presence or absence of a passenger and whether or not there are a plurality of passengers, and the arrangement of genres It is possible to change the order and display a convenient genre list of destinations.

  Other configurations, operations, and effects of the destination search method and the car navigation device 301 according to the third embodiment are the same as the configurations, operations, and effects of the destination search method and the car navigation device 1 according to the first embodiment. For this reason, the corresponding portions are denoted by the same reference numerals and detailed description thereof is omitted.

(Embodiment 4)
FIG. 18 is a block diagram illustrating a hardware configuration of the car navigation device 401 according to the fourth embodiment. The car navigation device 401 according to the fourth embodiment includes the passenger seat passenger detection unit 80, the weight sensor 82, and the rear seat passenger detection unit 83 described in the first to third embodiments.

A recording medium 1A (CD-ROM, DVD-ROM, memory card, or the like) shown in FIG. 18 is a computer program and search method arrangement table for realizing the functions of the navigation device 1 according to Embodiments 1 to 3 of the present invention. 75, a genre arrangement table 76, and the like are recorded so as to be readable by a computer. The computer program includes a step of selecting various search method arrangement information and genre arrangement information according to the presence or absence of a passenger in a computer mounted on the car navigation device 401, and a search method based on the selected search method arrangement information. And a step of generating a list in which genres are arranged based on the selected genre arrangement information. The computer program and various types of information recorded on the recording medium 1A are installed in the storage device 70 from the recording medium 1A inserted in a recording medium reader (not shown). The computer constituting the car navigation device 401 implements the functions of the car navigation device 401 according to the first to third embodiments by reading the computer program into the program memory 60 and executing it.
Further, communication is established between the communication control unit 30 and a server computer (not shown), the computer program is downloaded to the storage device 70, and the downloaded computer program is read onto the program memory 60 and executed. May be.

  Other configurations, operations, and effects of the car navigation device 401 according to the fourth embodiment are the same as those of the destination search method and the car navigation devices 1, 201, 301 according to the first to third embodiments. Therefore, corresponding portions are denoted by the same reference numerals and detailed description thereof is omitted.

It is a block diagram which shows the hardware constitutions of the car navigation apparatus which concerns on Embodiment 1 of this invention. It is explanatory drawing which shows the record layout of a search method arrangement | sequence table. It is explanatory drawing which shows the record layout of a genre arrangement | sequence table. It is a flowchart which shows the process sequence of the control part which concerns on the display of a search method list. It is a schematic diagram which shows an example of the search method list displayed on the display. It is a flowchart which shows the process sequence of the control part which concerns on the display of a genre list. It is a schematic diagram which shows an example of the genre list displayed on the display. It is a block diagram which shows the hardware constitutions of the car navigation apparatus concerning Embodiment 2 of this invention. 10 is an explanatory diagram showing a record layout of a genre arrangement table in Embodiment 2. FIG. 12 is a flowchart illustrating a processing procedure of a control unit according to a genre list display in the second embodiment. 12 is a flowchart illustrating a processing procedure of a control unit according to a genre list display in the second embodiment. It is a schematic diagram which shows an example of the genre list displayed on the display. It is a block diagram which shows the hardware constitutions of the car navigation apparatus which concerns on Embodiment 3 of this invention. 10 is an explanatory diagram illustrating a record layout of a genre arrangement table in Embodiment 3. FIG. 14 is a flowchart illustrating a processing procedure of a control unit according to a genre list display in the third embodiment. 14 is a flowchart illustrating a processing procedure of a control unit according to a genre list display in the third embodiment. It is a schematic diagram which shows an example of the genre list displayed on the display. FIG. 10 is a block diagram illustrating a hardware configuration of a car navigation device according to a fourth embodiment. It is explanatory drawing which shows the image of the search method in the conventional car navigation apparatus.

Explanation of symbols

1, 20, 301, 401 Navigation device 10 GPS receiver 11 Self-contained navigation sensor 12 VICS / FM multiplex receiver 20 Operation panel 21 Audio input unit 22 Remote control 23 Input interface 75 Search method arrangement table 76 Genre arrangement table 40 Audio output part 41 Speaker 50 Display control unit 51 Display 60 Program memory 61 Data memory 62 External memory 70 Storage device 80 Passenger seat passenger detection unit 81 Input interface 82 Weight sensor 83 Rear seat passenger detection unit 90 Control unit 1A Recording medium

Claims (6)

In a destination search method in which a car navigation device that guides a route displays a list of destination types and searches for a destination,
Prepare multiple types of array information indicating the various array methods in the list,
Obtaining a passenger signal indicating the presence or absence of a passenger,
Selecting different type arrangement information according to the presence or absence of a passenger indicated by the acquired passenger signal;
Generating a list in which various types are arranged based on the selected type arrangement information;
A destination search method comprising: displaying a generated list. In a car navigation device that displays a list of destination types and performs destination search and route guidance,
Storage means for storing a plurality of type array information indicating various types of arrangement methods in the list;
Acquisition means for acquiring a passenger signal indicating the presence or absence of a passenger,
A selection means for selecting different type arrangement information according to the presence or absence of a passenger indicated by the acquired passenger signal;
List generating means for generating a list in which various types are arranged based on the type array information selected by the selecting means;
A car navigation device comprising: means for displaying a list of types generated by the list generation means. Configured to obtain a weight signal indicative of the weight of the passenger,
The selection means includes
The car navigation device according to claim 2, wherein different types of arrangement information are selected according to the presence or absence of a passenger indicated by the acquired passenger signal and the weight indicated by the weight signal. Configured to obtain a passenger signal indicating the presence and number of passengers,
The selection means includes
The car navigation device according to claim 2 or 3, wherein different types of arrangement information are selected according to the presence or absence and the number of passengers indicated by the acquired passenger signal. In a car navigation apparatus that displays a list of destination search methods and executes destination search and route guidance,
Storage means for storing search method sequence information indicating the sequence method of each search method in the list;
An acquisition means for acquiring a passenger signal indicating the presence or absence of a passenger, a selection means for selecting different search method arrangement information according to the presence or absence of a passenger indicated by the acquired passenger signal,
List generation means for generating a list in which the search methods are arranged based on the search method arrangement information selected by the selection means;
A car navigation device comprising: means for displaying a list of search methods generated by the list generation means. It is implemented in a car navigation device that displays a list of destination types and executes destination search and route guidance, in a computer that stores a plurality of type array information indicating various types of arrangement methods in the list,
Selecting different type arrangement information according to the presence or absence of a passenger,
And a step of generating a list in which various types are arranged based on the selected type arrangement information.

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