JP4619744B2 - Car navigation system - Google Patents

Description

  The present invention relates to an in-vehicle navigation device, and more particularly to an in-vehicle navigation device adapted to perform appropriate route guidance considering passengers.

  Unless otherwise defined in the following description, a “passenger” is simply a person who can enjoy the contents of video (image) and audio and is subject to viewing restrictions (typically 18 years old). Less children).

  In a conventionally known in-vehicle navigation device, a CPU for controlling processing related to navigation, a storage device such as a CD-ROM or DVD-ROM storing map data, a display device, and a current position of the own vehicle are detected. A GPS (Global Positioning System) receiver, a gyro for detecting the traveling direction and traveling speed of the own vehicle, a vehicle speed sensor, and the like are provided. Then, the CPU reads out map data including the current position of the vehicle from the storage device, draws a map image around the vehicle position on the display screen based on the map data, and instructs the current position of the vehicle. The vehicle position mark is displayed superimposed on the screen, the map image is scrolled according to the movement of the vehicle, the map image is fixed on the screen and the vehicle position mark is moved, and the vehicle It is possible to see at a glance where the car is currently driving.

  In-vehicle navigation devices are usually equipped with a function (route guidance function) that guides a user so that the user can easily travel on the road without making a mistake. According to this route guidance function, the CPU calculates the optimal route from the departure point (typically the current position of the vehicle) to the destination using map data, such as a horizontal search method or a Dijkstra method. To search (route setting), store the searched route as a guide route, and during driving, the guide route can be distinguished from other roads on the map image (for example, change the color, When a predetermined distance is reached to the approaching intersection on the guidance route, the guide map of the intersection (an enlarged view of the intersection and the direction of travel at the intersection) is displayed on the map image. By displaying the arrow, the distance to the intersection, the name of the intersection, etc., the user can know which road to drive and in which direction to proceed at the intersection. .

  In conventional in-vehicle navigation devices, route setting is time priority (route that can be reached in the shortest time to the destination), distance priority (route that can be reached in the shortest distance to the destination), and toll road priority (uses a highway) Route), general road priority (route not using a toll road), etc., are set by setting together with the destination setting.

  Further, when searching for a destination, a method of searching from "address", "phone number", "genre", "name", etc. is common. For example, in the case of a search by “genre”, if you want to go to a meal, you can perform a detailed search from “genre” to “meal” → “Japanese food”, and a list of all facilities that meet that condition is displayed. It was.

As a technique related to the above-described conventional technique, for example, as described in Patent Document 1, in a navigation device, when performing a route search from a departure place to a destination, a user's range or road to be avoided is determined. There is a route search that reflects the intention.
JP 2002-156238 A

  As described above, in the conventional vehicle-mounted navigation device, destination search and route setting related to navigation are common to all users. For this reason, in the case of destination search, all items that meet the conditions selected from the screen are displayed, and a user-desired location must be selected from the displayed destination candidate locations. A navigation device equipped with a hard disk drive (HDD) having a large capacity has a disadvantage that it is difficult to select because there are a large number of destination candidate locations that meet the conditions.

  In addition, when searching for a destination, when a child is on board, it is not preferable to select a place that is considered unfavorable for education as a destination. In this case, it is necessary for the parent to appropriately determine a place inappropriate for the child from among the many destination destinations displayed on the screen and take care not to select it as the destination. There was a problem that the operation was troublesome for the parents.

  In addition, regarding route setting, selection under uniform conditions such as the shortest distance and the shortest time is the mainstream, and in order to set the route under other conditions, select a waypoint to the destination as appropriate. It was necessary to perform more detailed route setting (operation) such as. Similarly, in this case, it is not preferable that a place inappropriate for the child is included in the route to the destination. Although necessary, such an operation is very complicated.

  The present invention was created in view of the problems in the prior art, and provides an in-vehicle navigation device that can perform an appropriate destination search considering passengers without requiring a cumbersome operation. Objective.

  Furthermore, an object of the present invention is to provide an in-vehicle navigation device that can set an appropriate route in consideration of a passenger without requiring a troublesome operation.

  In order to solve the above-described problems of the prior art, in the present invention, when performing destination search and route setting for navigation, parental (viewing restriction) adopted in recent DVD video and digital broadcasting media, etc. ) Level information is used effectively. Such parental level information is set in advance for software such as a DVD video, and is information serving as a reference for whether or not the content of an image (video) and audio to be reproduced and output is appropriate for the viewer.

According to one aspect of the present invention, image / audio information reproducing means having a parental control function for restricting viewing of image / audio information to be reproduced and output, and memory means for storing facility data together with map data A specific facility information registering means for storing information relating to a specific facility set in advance in association with each parental level set in the image / sound information reproducing means, in association with the parental level; Operable in information input means for inputting information to be instructed or set, display means for providing guidance information through a screen, image / audio information reproducing means, memory means, specific facility information registration means, information input means and display means comprising a control means connected to said control means, the parental level through the image / sound information reproducing means the specific facility information Is set for recording means, it is stored further when said information indication information indicating that the search for the destination through the input means in a state in which the specific facility is set is input, in the memory means Referring to the information stored in the data from the specific facility information registration unit, and the corresponding the specific facility to the parental level set to exclude from the search item of the destination, the screen of the display means A vehicle-mounted navigation device is provided that displays the search items in a list.

According to the vehicle-mounted navigation device according to this aspect, the parental control function (image / audio information reproducing means) for restricting viewing on the reproduced image / sound information is used and related to the parental control function. In advance, a facility that is inappropriate for passengers is set as a “specific facility” in correspondence with each parental level, and information that associates the “specific facility” with the parental level is designated as a specific facility. It is stored in the information registration means. As a result, when the destination is searched for by the control means, the data (map data and facility data) stored in the memory means and the information stored in the specific facility information registration means (inappropriate facilities and the relevant data) are stored. By referring to the information associated with the rental level), it is possible to exclude the inappropriate facility from the search item of the destination (that is, it is possible to prevent selection).

  As a result, the parent / guardian must make an appropriate decision from the candidate destination locations displayed on the screen as in the past, and be careful not to select an inappropriate location for the child (passenger). It is possible to eliminate the troublesome operation. That is, it is possible to search for an appropriate destination in consideration of a passenger without requiring a troublesome operation.

According to another aspect of the present invention, image / sound information reproducing means having a parental control function for restricting viewing of reproduced image / sound information, and facility data are stored together with map data. Memory means, and specific facility information registration means for storing information relating to a specific facility set in advance in association with each parental level set in the image / sound information reproducing means in association with the parental level. An information input means for inputting information to be instructed or set by the user; and a control means operatively connected to the image / audio information reproducing means, a memory means, a specific facility information registration means, and an information input means, the control means, the parental level through the image / sound information reproducing means is set for the specific facility information registration unit, further wherein the information input When a destination is set in a state where the specific facility via a stage is set, by referring to the information and data stored in said memory means is stored in the specific facility information registration means, vehicle navigation apparatus characterized by searching the guide route so as not included in the guidance route to the destination is provided a set that particular facilities corresponding to the parental level.

Also Oite the vehicle navigation apparatus according to this embodiment, by using the parental control function for restricting viewing the image / audio information to be reproduced output (image / sound information reproducing means), to the parental control function Corresponding to each parental level, a facility that is inappropriate for passengers is set in advance as a “specific facility”, and information that associates this “specific facility” with the parental level is specified. Stored in the facility information registration means. Thereby, in the control means, when searching for the route to the destination (route setting), by referring to the data stored in the memory means and the information stored in the specific facility information registration means, The route can be set so that the inappropriate facility is not included in the route to the destination.

  In other words, an appropriate route setting that takes passengers into account is performed without requiring an additional operation (annoying operation) for excluding an inappropriate place, which has been required in the past, from the target of the waypoint in advance. It becomes possible.

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

  FIG. 1 is a block diagram showing the configuration of an in-vehicle navigation device according to an embodiment of the present invention.

  The in-vehicle navigation device 50 according to the present embodiment is configured by connecting a specific DVD playback device 40 to a navigation device 30 having an original navigation function as shown in the figure via a communication cable or the like.

  This DVD playback device 40 automatically determines whether it is appropriate for extreme violence scenes or scenes that are unfavorable for education for children, etc., and restricts the contents that can be played back. "Control function" is installed. For this reason, although not shown in the drawing, at least an operation unit and a control unit for executing the parental control function are provided as functional blocks related to the present invention. The operation unit includes a parental level setting key for setting a parental level as required by the user, a reproduction key for giving a title reproduction instruction, and images corresponding to all the parental levels on the same screen. Parental level demo playback key to give instructions to play, numeric keypad to enter passwords etc. required to play back images corresponding to all parental levels, cursor keys to indicate the left, right, up and down directions Various operation keys such as a setting key for confirming the item at the cursor position on the display screen are provided. An instruction (a signal corresponding to the operation state of each key) input via the operation unit is output to the control unit.

  The “parental control function” installed in the DVD playback device 40 compares and collates the parental level preset for the DVD (disc) with the upper limit of the reproducible parental level set by the user. Thus, it is a function of reproducing only the reproducible parental level image and sound set in the apparatus 40. The reproducible parental level can be set in eight steps with the current technology. Generally, level 8 is the lowest level, and all images and the like correspond. Level 7 corresponds to an image obtained by removing a part of an image or the like having a high degree of extremeness from an image corresponding to level 8 or the like. Similarly, every time the level is lowered, images with a high degree of extremeity are gradually removed, and only the non-extremely reproducible image that can always be reproduced corresponds to level 1, which is the most severe level. Further, since the definition of each level is different depending on the country even if the parental level is the same number, it is necessary that the definition of the parental level in the country used in advance is stored in the playback apparatus.

  For example, in the definition of parental level in the United States, level 1 is “G (general)”, level 2 is “reserved”, level 3 is “PG (adult accompanying (not for children))”, and level 4 is “ PG13 (accompanied by adults under 13 years old), level 5 is "reserved", level 6 is "R (accompanied by adults under 17 years)", level 7 is "NC-17 (prohibited under 17 years old)", level 8 is " In Japan, level 1 is defined as “general”, level 4 is defined as “general restricted (R) designation”, and level 7 is defined as “adult designation”. A method for setting the parental level and processing related thereto will be described later.

  On the other hand, in the navigation device 30, reference numeral 1 denotes a hard disk drive (HDD). The hard disk 1a driven by the HDD 1 has an appropriate size according to the scale level (1/12500, 1/25000, 1/50000, etc.). The map data divided into the longitude width and the latitude width is stored. This map data includes road data for display and route search, and each data is represented by a coordinate set of points (nodes) expressed by longitude and latitude. Furthermore, the hard disk 1a contains data on the location, name, genre, telephone number, etc. of various facilities (convenience stores, restaurants, super discount shops, department stores, gas stations, etc.) used for destination search and route setting. Stored. In this embodiment, an HDD is used as a medium for storing map data or the like, but other storage media such as a DVD-ROM or a CD-ROM may be used instead.

  Reference numeral 2 denotes an operation unit for operating a navigation device body (described later), which has, for example, a form of a remote control transmitter. Although not specifically illustrated, the remote control transmitter (operation unit 2) has various operations for selecting various menus and various items on the display screen of the display device (described later) and for executing the selected menus and the like. Buttons, joysticks, etc. are provided. Furthermore, as an operation key related to the present invention, a “parental level setting key” as provided in the operation unit of the DVD playback device 40 may be provided also on the remote control transmitter side. Further, 3 is a communication device such as a mobile phone or an in-vehicle phone for communicating with the outside, and 4 is a GPS receiver that receives a GPS signal sent from a GPS satellite and detects the longitude and latitude of the current position of the vehicle. Reference numeral 5 denotes a self-contained navigation sensor, and the self-contained navigation sensor 5 is composed of an angle sensor such as a gyro for detecting the traveling direction of the own vehicle, and a distance sensor that generates a pulse for every predetermined traveling distance. Yes.

  Reference numeral 6 denotes a display device such as an LCD. Basically, navigation information based on control from the navigation device body (described later) (a map around the current position of the vehicle, from the departure point to the destination) , The current position of the vehicle (vehicle position mark, etc.) is displayed on the screen, and further, as described later, destination search and route setting (guidance) using parental level information performed by the device 50 Guide information related to route search) is displayed on the screen. Reference numeral 7 denotes a speaker, which provides guidance information related to the navigation to the user by voice.

  In the navigation device body 10, 11 is a buffer memory for temporarily storing map data (display and route search road data, data on various facilities, etc.) read from the disk 1a via the HDD 1. Indicates a control unit constituted by a microcomputer or the like. The control unit 12 basically detects the current position of the vehicle based on a signal output from the GPS receiver 4, or the traveling speed of the vehicle based on a signal output from the self-contained navigation sensor 5. The map data to be calculated or displayed is read out from the disk 1a to the buffer memory 11 via the HDD 1, or the departure place (own vehicle) under the search conditions set using the map data read into the buffer memory 11. Various processings related to navigation, such as searching for a guidance route from the current location of the vehicle to the destination. When executing various processes related to the navigation, the control unit 12 has a function of controlling processes related to destination search and route setting using parental level information performed by the device 50 as described later. Yes.

  Reference numeral 13 denotes a map drawing unit that performs a map image drawing process using the map data read to the buffer memory 11, and reference numeral 14 denotes various menu screens (operation screens), a vehicle position mark, a cursor, and the like according to the operation status. An operation screen / mark generating unit 15 for generating various marks of the reference numeral 15 indicates a guidance route storage unit for storing guidance route data. The guidance route storage unit 15 stores data regarding all nodes (coordinates of points expressed in longitude and latitude) from the departure point to the destination of the guidance route searched by the control unit 12. Reference numeral 16 denotes a guidance route drawing unit, which reads guidance route data (node sequence) from the guidance route storage unit 15 based on the control from the control unit 12, and displays the guidance route in a display mode different from other roads ( For example, it has a function of drawing by changing the color or increasing the line width.

  Reference numeral 17 denotes a search result list storage unit for storing search results (data) generated by the control unit 12. The control unit 12 refers to the database (HDD1, disk 1a) when instruction information for searching for a destination is input via the operation unit 2 as will be described later. Search for. At this time, the parental level information set by the user and the specific facility stored in the avoidance facility registration unit (described later) are referred to, and the specific facility is excluded from the destination candidates. The facility to be the destination is searched, and each searched facility is listed and stored in the search result list storage unit 17. Reference numeral 18 denotes a search result list drawing unit for drawing data (search result list) read from the search result list storage unit 17 based on control from the control unit 12.

  Further, 19 is a parental level information storage unit for temporarily storing parental level information set by the user, and 20 is a facility for pre-registering facilities to be avoided when performing destination search / route setting. The avoidance facility registration section to keep in mind. The avoidance facility registration unit 20 is set in advance corresponding to each of the eight parental levels set in the DVD playback device 40 (levels 1, 3, 4, 6, and 7 in the United States). Information regarding the specific facility is stored in association with the level. This “specific facility” refers to an inappropriate facility that is unfavorable for education for children. For example, in the case of level “3”, “game center”, “pachinko parlor”, etc. In the case of “6”, “Pachinko parlor”, “Racetrack”, “Fashion Hotel”, etc. are applicable. The setting of the specific facility is performed based on an operation from the operation unit 2 by the user. For example, the specific facility may be set in advance prior to the navigation process or when the parental level is set. At the same time, the facility may be set.

  Reference numeral 21 denotes an image compositing unit. The map image drawn by the map drawing unit 13 based on the control from the control unit 12, the guidance route drawn by the guidance route drawing unit 16, the operation screen / mark generation unit 14 The generated operation screen and various marks are superimposed and displayed on the screen of the display device 6. Further, as will be described later, the image composition unit 21 has a function of displaying guidance information related to destination search and route setting using parental level information performed by the device 50 on the screen of the display device 6. Reference numeral 22 denotes an audio output unit, which outputs an audio signal (guidance information related to navigation) to the speaker 7 based on control from the control unit 12.

  In the in-vehicle navigation device 50 configured as described above, the DVD playback device 40 is the “image / audio information playback means”, the HDD 1 (including the hard disk 1a) is the “memory means”, and the operation unit 2 of the navigation device 30. In addition, the operation unit of the DVD playback device 40 is “information input unit”, the display device 6 is “display unit”, the control unit 12 is “control unit”, and the avoidance facility registration unit 20 is “specific facility information registration unit”. , Respectively.

  Hereinafter, FIG. 2 which shows an example of the process flow about the process which concerns on the destination search and route setting which utilized the parental level information which the vehicle-mounted navigation apparatus 50 which concerns on this embodiment uses, and explains the processing content supplementarily. This will be described with reference to FIGS. As a precondition, it is assumed that a child is riding in addition to the user (in this case, the driver).

  In the first step S1, a parental level is set. For example, when a screen during normal operation (for example, a map image including the current position of the vehicle) is displayed on the display device 6, a “pag” provided on the operation unit (not shown) of the DVD playback device 40 is displayed. When the “rental level setting key” is operated, a control unit (not shown) of the DVD playback device 40 detects this operation, notifies the control unit 12 of the navigation device 30 to that effect, and performs control from the control unit 12. Based on this, a parental level setting screen 60 as shown in FIG. 3 is displayed on the screen of the display device 6. The parental level setting screen 60 includes selection buttons 61 to 68 corresponding to each parental level. Then, when the user operates the cursor key provided on the operation unit of the DVD playback device 40 to move the cursor to the selection button corresponding to the desired parental level and press the setting key, the parental level is set. . Alternatively, the parental level may be set by pressing a parental level selection key of the operation unit and pressing a numeric key corresponding to a desired parental level.

  The parental level information PL set in this way is temporarily stored in the parental level information storage unit 19 via the control unit 12 of the navigation device 30. Although not directly related to the present invention, when a playback instruction for an image or the like is input on the DVD playback device 40 side, an image or the like corresponding to the set parental level is played back. For example, when the user sets the parental level 6, the parental level set in advance in the device 40 is compared with the upper limit of the reproducible parental level set by the user, and the parental level 6 is set. Only images and the like whose rental level is set to 6 or less (levels 1 to 6) are reproduced.

  Further, when the parental level is set in step S1, the above-mentioned “specific facility” is also set. That is, based on the input operation from the operation unit 2 by the user, avoid facilities such as pachinko parlors, racetracks, fashion hotels, etc. that are considered inappropriate for children when searching for destinations and setting routes described later. Set the facility (specific facility) to be used. Information on the “specific facility” set in this way is registered in the avoidance facility registration unit 20 in association with the parental level via the control unit 12 of the navigation device 30.

  In the next step S2, the destination search mode is set in the same manner as the method used in a normal navigation device. For example, when the menu button of the remote control transmitter (operation unit 2) is operated while the normal operation screen (map image including the current position of the vehicle) is displayed on the display device 6, the map image on the display screen is displayed. The main menu is displayed above. When the joystick is further operated to select the “set destination” item in the main menu, a destination setting screen 70 as shown in FIG. 4A is displayed. On this destination setting screen 70, operation buttons (10 operation buttons in the illustrated example) for selecting under what conditions (facility name, address, telephone number, genre, etc.) the destination is searched. 71 and an operation button 72 for returning to the previous screen (in this case, the main menu).

  In the next step S3, whether or not the control unit 12 has selected a condition for searching for a destination on the destination setting screen 70 based on an input operation from the operation unit 2 by the user (YES) ( NO). If the determination result is YES, the process proceeds to step S4, and if the determination result is NO, the determination process is repeated.

  For example, when the “search by genre” item is selected from the destination setting screen 70 by operating the joystick, an input screen 73 as shown in FIG. 4B is displayed. The input screen 73 displays a genre list 74 in which items (movies, meals, shopping, leisure / sports, etc.) that can be selected as destination candidates are arranged in a predetermined order. At this time, the remaining genre names that cannot be displayed on the display screen can be displayed by scrolling. In this state, when the joystick is further operated to select, for example, an item “meal” from the genre list 74, an input screen (not shown) related to the details of the “meal” is displayed. On this input screen, various items are displayed for the user to select under what conditions (Japanese food, Western food, Chinese food, a family place, a place for children, etc.). When the user selects a desired item (search condition) as a destination in the process of displaying the various conditions for the destination search sequentially in a hierarchical manner, the process proceeds to the next step S4.

  In the next step S4, the control unit 12 refers to the map data and the facility data stored in the database (HDD1, disk 1a), and further, the parental level information set by the user and the specific facility (avoidance). All the facilities corresponding to the search condition selected in the previous step are searched with reference to the information on the facilities to be used. That is, a facility that meets the search condition is searched by excluding a specific facility from the destination candidates.

  In the next step S5, the control unit 12 lists the results (facility that is a destination candidate) searched in the previous step, and temporarily stores the data (search results) in the search result list storage unit 17. At this time, information on each facility included in the list is stored in association with each position information (longitude and latitude). Further, the destination search result list 80 illustrated in FIG. 5A is displayed on the screen of the display device 6 through the search result list drawing unit 18 and the image composition unit 21 based on the control from the control unit 12. To do. In the illustrated example, three facilities are displayed as search items for the destination. FIG. 5B shows a destination search result list 80a according to a conventional example for comparison with the case of the present embodiment.

  In the prior art, since all facilities that meet the search conditions such as the genre selected by the user at the time of destination search are displayed, it is considered inappropriate for children as illustrated in FIG. 5B. Facilities (in the example shown, pachinko shops, racetracks) are also displayed as candidate destinations, but according to the destination search according to the present embodiment, such inadequate A possible facility (a specific facility) is excluded from the destination candidates and is not displayed on the display screen as illustrated in FIG. Therefore, as in the past, an operation in which the guardian must appropriately judge from among a number of candidate destination locations displayed on the screen and take care not to select an inappropriate location for the child as a destination. You are freed from the annoyance above.

  In the next step S6, whether or not any facility is selected as a destination for the search result list 80 based on the input operation from the operation unit 2 by the user (YES) or not (NO). Determine whether. If the determination result is YES, the process proceeds to step S7, and if the determination result is NO, the determination process is repeated.

  In the next step S7, a guidance route to the selected facility (destination) is searched. That is, the control unit 12 refers to the map data and the facility data stored in the database (HDD 1, disk 1a), and further displays the parental level information set by the user and the specific facility (facility to be avoided). Referring to the information, based on the data of the selected destination and the current position data of the vehicle detected by the GPS receiver 4, a horizontal search for the optimum guidance route from the vehicle position to the destination is performed. Search by the method (route setting). That is, the route setting is performed so as not to include a specific facility on the guidance route to the destination.

  In the next step S8, the guidance route searched in the previous step is superimposed on the map image and displayed on the screen of the display device 6 via the image composition unit 21 based on the control from the control unit 12 (at the destination). Route guidance). At this time, it is desirable to display the guidance route in a display mode (for example, changing the color or increasing the line width) that can be distinguished from other roads. Then, this processing flow is “end”.

  As described above, according to the in-vehicle navigation device 50 according to the present embodiment, the parental level information set by the user and the information on a specific facility (facility to be avoided) when performing a destination search. Therefore, facilities inappropriate for children (specific facilities) can be excluded from the search items for the destination (that is, can be disabled). As a result, the parent or guardian must make an appropriate decision from the candidate destination locations displayed on the screen as in the past, and be careful not to select an inappropriate location for the child. Can be eliminated. That is, it is possible to perform an appropriate destination search considering passengers (children) without requiring troublesome operations.

  Similarly, when searching for a route to the destination (route setting), the parental level information and the information on a specific facility (facility to be avoided) are also referred to. It is possible to set a route so that a facility inappropriate for the destination (a specific facility) is not included in the guidance route to the destination. In other words, an appropriate route that takes passengers (children) into consideration without requiring an additional operation (annoying operation) that has been required in the past to exclude an inappropriate place from a transit point in advance. Settings can be made.

  For example, when “level 3” (including parental guidance that includes content that is not suitable for children) is set as the parental level set in step S1, the user selects “meal” as the genre when searching for a destination. When you choose, you can display only family restaurants and stores with a rich menu for children. In addition, when setting a route, for example, a route including a facility where it is easy to stop by a toilet can be set, or a route including many places where meals can be eaten can be set.

  In addition, when “level 6” (which requires the accompanying parent or adult guardian and includes content for persons under the age of 17) is set as the parental level set in step S1, destination search is performed. At this time, inappropriate places such as “pachinko parlor”, “racetrack”, “fashion hotel” and the like can be excluded from the search items. When setting a route, for example, a route that avoids as many pachinko shops as possible, a route that avoids hotel streets, or a route that avoids areas with many sex stores may be set. it can.

  In the above-described embodiment, the DVD playback device 40 having the parental control function is prepared separately from the HDD navigation (the navigation device 30 in which the HDD 1 is installed as a database), and both are connected by a communication cable or the like, and the navigation device 50 is connected. However, the configuration of the navigation device 50 is not limited to this. For example, a configuration of an “integrated” navigation device in which a parental control function as well as a DVD playback function is incorporated in a DVD navigation (a navigation device equipped with a DVD as a database) may be adopted.

It is a block diagram which shows the structure of the vehicle-mounted navigation apparatus which concerns on one Embodiment of this invention. It is a flowchart which shows an example of the process which concerns on the destination search and route setting using the parental level information which the vehicle-mounted navigation apparatus of FIG. 1 uses. It is a figure which shows the example of a screen display at the time of a parental level setting. It is a figure which shows the example of a screen display at the time of the destination search. It is the figure which contrasted and showed an example of the search result list of the destination displayed on the screen with the case of a prior art example.

Explanation of symbols

1 HDD (memory means),
2 ... operation part (information input means),
4 ... GPS receiver,
5 ... Self-contained navigation sensor,
6 ... Display device (display means),
12 ... Control part (control means),
18 ... search result list drawing section,
19 ... Parental level information storage unit,
20 ... avoidance facility registration unit (specific facility information registration means),
30 ... navigation device,
40 ... DVD playback device (image / audio information playback means),
50. In-vehicle navigation device,
60 ... Parental level setting screen,
70: Destination setting screen,
74 ... Genre list,
80 ... Search result list,
PL ... Parental level (information) set.

Claims (3)

Image / sound information reproducing means having a parental control function for restricting viewing of image / sound information to be reproduced and output;
Memory means for storing facility data together with map data;
Specific facility information registration means for storing information relating to a specific facility set in advance in association with each parental level set in the image / audio information reproducing means, in association with the parental level;
Information input means for inputting information to be instructed or set by the user;
Display means for providing guidance information through a screen;
Control means operatively connected to the image / audio information reproducing means, memory means, specific facility information registration means, information input means and display means;
The control means is configured in such a manner that a parental level is set for the specific facility information registration means via the image / sound information reproduction means and a specific facility is set via the information input means. When the instruction information for searching the ground is input, the stored data in the memory means and the information stored in the specific facility information registration means are referred to and the set parental level is set. An in-vehicle navigation device characterized in that the corresponding specific facility is excluded from the search items of the destination and the search items are displayed in a list on the screen of the display means. The control means refers to the data stored in the memory means and the information stored in the specific facility information registration means when a destination is set from the search items displayed in the list. , vehicle navigation apparatus according to claim 1, characterized in that searching the guide route so as not to include the specific facility corresponding to the parental level set on guide route to the destination . Image / sound information reproducing means having a parental control function for restricting viewing of image / sound information to be reproduced and output;
Memory means for storing facility data together with map data;
Specific facility information registration means for storing information relating to a specific facility set in advance in association with each parental level set in the image / audio information reproducing means, in association with the parental level;
Information input means for inputting information to be instructed or set by the user;
Control means operatively connected to the image / sound information reproduction means, memory means, specific facility information registration means and information input means;
The control means is configured in such a manner that a parental level is set for the specific facility information registration means via the image / sound information reproduction means and a specific facility is set via the information input means. when the land is set, referring to the said information and data stored in the memory means is stored in the specific facility information registration unit, the specific facility corresponding to the parental level set A vehicle-mounted navigation device that searches for a guide route so as not to be included on the guide route to the destination.

Images