JP2007322309A - Vehicle-mounted information apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle-mounted information apparatus for providing users with various types of information and providing detailed information on the information, according to the demands of the users. <P>SOLUTION: Various types of driving information is outputted, according to the driving conditions (step S20) to set standby words according to the driving information (step S30). Based on the speech uttered by a user is then detected (step S50), to determine whether the user has uttered a set standby word, on the basis of detected speech (steps S60 and S70). When it is determined that the user has uttered the standby words, the detailed information related to the driving information outputted in the step S20 is outputted (step S80). <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an in-vehicle information terminal such as a navigation device that provides various types of information to a driver of a vehicle.

  2. Description of the Related Art Conventionally, there is known a navigation device that provides various audio information useful for a user by acquiring various types of information such as weather forecast information and traffic jam information and outputting the information as audio (Patent Document 1). reference).

JP 2004-132883 A

  In the navigation device disclosed in Patent Document 1, the user cannot know more detailed information than the information output by voice. For example, even when it is desired to know a specific traffic jam location or traffic jam distance as detailed information related to the traffic jam information output in voice, the detailed information is not voice output from the navigation device. As described above, the conventional navigation apparatus can provide various types of information, but cannot provide detailed information related to the information in response to a user request.

An in-vehicle information terminal according to the present invention includes a driving information providing unit that provides a user with various types of driving information according to driving conditions, and a response detecting unit that detects a user request response to the driving information provided by the driving information providing unit. And a detailed information providing means for providing detailed information regarding the driving information to the user in response to the detection of the user's request response by the response detecting means.
According to a second aspect of the present invention, in the in-vehicle information terminal according to the first aspect, the response detecting means includes a standby word setting means for setting a standby word corresponding to the driving information provided by the driving information providing means, and a driving information providing means. Whether or not the user has uttered the standby word set by the standby word setting unit based on the voice detected by the voice detection unit and the voice detected by the voice detection unit after the driving information is provided Determining means for determining the user's request response to the driving information by determining that the user has uttered a standby word by the determining means.
According to a third aspect of the present invention, in the in-vehicle information terminal according to the second aspect, the standby word setting means sets a plurality of standby words, and the detailed information providing means applies to each standby word set by the standby word setting means. Each provides different details.
According to a fourth aspect of the present invention, in the in-vehicle information terminal of the first aspect, the response detecting means includes a display control means for displaying an operation button corresponding to the driving information provided by the driving information providing means on the display monitor, and a display control means. Operation detecting means for detecting a user's selection operation for the operation button displayed by the operation button, and detecting a user's request response to the driving information by detecting the user's selection operation for the operation button by the operation detection means. It is.
According to a fifth aspect of the present invention, in the in-vehicle information terminal of the fourth aspect, the display control unit displays a plurality of operation buttons on the display monitor, and the detailed information providing unit displays each operation displayed on the display monitor by the display control unit. Different detailed information is provided for each button.
The invention of claim 6 is the in-vehicle information terminal according to any one of claims 1 to 5, wherein the driving information includes driving information for notifying the occurrence of traffic jams, driving information for notifying the presence of a scheduled toll gate, or At least one of the driving information for informing the existence of the reroute route is included.
According to the seventh aspect of the present invention, in the in-vehicle information terminal of the sixth aspect, when the driving information for notifying the occurrence of the traffic jam is included in the driving information, the detailed information includes the detailed information on the traffic jam location or the traffic jam distance regarding the driving information. When at least one or both of the detailed information is included and the driving information for notifying the existence of the toll gate is included in the driving information, the detailed information includes detailed information on the toll amount related to the driving information or the toll gate. If at least one or both of the detailed information of the action to be performed by the user is included and the driving information for notifying the existence of the reroute route is included in the driving information, the detailed information includes the cause of the reroute cause related to the driving information. It contains at least one or both of detailed information and detailed information of shortening time when driving on reroute route It is intended to.

  ADVANTAGE OF THE INVENTION According to this invention, while providing various information with respect to a user, the detailed information regarding the information can be provided according to a user's request | requirement.

-First embodiment-
A configuration of a navigation apparatus according to an embodiment of the present invention is shown in FIG. This navigation device is mounted on a vehicle. When a user sets a destination, the navigation device searches for a recommended route to the destination and guides the vehicle to the destination according to the searched recommended route. Further, various kinds of driving information as described later can be provided to the user according to the driving situation, and more detailed information can be provided to the user according to the voice response of the user. This realizes a comfortable driving operation without hesitation when the user drives the vehicle.

  The navigation device 1 shown in FIG. 1 includes a control circuit 11, ROM 12, RAM 13, current location detection device 14, image memory 15, display monitor 16, input device 17, disk drive 18, microphone 20, and speaker 21. The disc drive 18 is loaded with a DVD-ROM 19 in which map data is recorded.

  The control circuit 11 includes a microprocessor and its peripheral circuits, and performs various processes and controls by executing a control program stored in the ROM 12 using the RAM 13 as a work area. Based on the map data recorded on the DVD-ROM 19, the control circuit 11 performs, for example, map display, setting of a destination, searching for a recommended route to the set destination, and the like. Further, by performing a known voice recognition process in the control circuit 11 using a method such as collating a voice signal input from the microphone 20 with a voice signal pattern stored in advance, the user's speech content is voice-recognized. .

  The current location detection device 14 is a device that detects the current location of the host vehicle, that is, the location of the host vehicle. For example, a vibration gyro sensor 14a that detects the traveling direction of the host vehicle, a vehicle speed sensor 14b that detects a vehicle speed, It consists of various sensors, such as a GPS sensor 14c for detecting. The navigation device 1 can determine a route search start point, which will be described later, based on the vehicle position detected by the current location detection device 14, or can display a vehicle position mark on a map.

  The image memory 15 temporarily stores image data to be displayed on the display monitor 16. The image data includes map drawing data for displaying a map, various graphic data, and the like, and is created by the control circuit 11 based on the map data recorded on the DVD-ROM 19. The created image data is output from the control circuit 11 to the image memory 15, whereby a map is displayed on the display monitor 16.

  The input device 17 has various input switches for the user to set a destination and a transit point of the vehicle (hereinafter simply referred to as a destination). The input device 17 is realized by an operation panel, a remote control, a touch panel integrated with the display monitor 16 or the like. The user operates the input device 17 to input an address, a telephone number, a facility name, specify a specific point on the map, or select one of registered locations registered in advance. , You can set the destination.

  The disk drive 18 reads map data for displaying a road map from the loaded DVD-ROM 19. This map data includes route calculation data used for route search to the destination, route guidance data used to guide the vehicle to the destination according to the set route, such as intersection name and road name, and road The road data that represents is included. The map data also includes background data representing map shapes other than roads such as rivers, railways, various facilities on the map (landmarks), and the like.

  In the road data, the minimum unit representing a road section is called a link, and each road is composed of a plurality of links. A point connecting the links is called a node, and each node has position information (coordinate information). The link shape, that is, the shape of the road is determined based on the position information of the node.

  Although an example using a DVD-ROM is described here, the map data may be read from a recording medium other than the DVD-ROM, such as a CD-ROM, a hard disk, or a memory card. Or it is good also as receiving the map data transmitted via a mobile telephone line etc. from the outside, and using the map data. That is, any method may be used for acquiring map data.

  When the user operates the input device 17 to set the destination by the method as described above, the navigation device 1 uses the current location detected by the current location detection device 14 as a route search start point based on the above-described route calculation data. A route search from the current location to the destination is performed by calculating a predetermined algorithm. The recommended route obtained as a result of the route search is displayed on the map separately from other roads by changing its display form, for example, display color. Thus, the user can recognize the recommended route on the map displayed on the display monitor 16. In addition, the navigation device 1 guides the host vehicle by instructing the traveling direction by an image or voice to the user so that the host vehicle can travel according to the recommended route. Thus, route guidance to the destination is performed by displaying the map and guiding the vehicle to the destination according to the recommended route.

  The microphone 20 detects the voice uttered by the user, converts it into a voice signal, and outputs it to the control circuit 11. Note that the microphone 20 has been provided with driving information that will be described later when a voice recognition button (not shown) is pressed by the user in order to prevent erroneous voice recognition other than when the user speaks. Sometimes start detecting voice.

  The speaker 21 outputs various sounds based on the audio signal output from the control circuit 11. For example, a voice for instructing a traveling direction at the time of route guidance is output from the speaker 21. Note that the speaker 21 is also used when outputting driving information as will be described later, or when outputting detailed information related to driving information.

  Next, a method for providing the user with driving information corresponding to the driving situation in the navigation device 1 will be described. The navigation device 1 presents the vehicle on which the vehicle is placed based on the traffic situation in the road traffic information received as VICS information, the situation of the facility on or near the recommended route on which the vehicle is traveling, etc. The driving situation is determined, and according to the driving situation, various driving information considered necessary when the user drives the vehicle is provided to the user.

  For example, when the traveling direction of the host vehicle is congested, driving information for notifying the user of the occurrence of the congested traffic is provided. In addition, when there is a toll gate that should travel a predetermined distance ahead on the recommended route on which the host vehicle is traveling, driving information for notifying the user of the existence of the toll gate to be passed is provided. Furthermore, when a reroute process is executed when a predetermined reroute condition is satisfied, and a new recommended route that is different from the previous recommended route is found, driving information for notifying the user of the presence of the reroute route is provided. To do. In this way, various types of driving information are provided to the user by the navigation device 1 according to the driving situation.

  The navigation device 1 provides the user with various types of driving information as described above by performing various audio outputs and screen displays according to the content of the driving information. For example, driving information for notifying the occurrence of traffic jams is provided by outputting a voice saying “There is traffic jams ahead” or by displaying texts, icons, etc. indicating the occurrence of traffic jams on the screen. Similarly, the driving information for notifying the existence of the toll gate will output a voice saying “There is a toll gate ahead” or display text or icons indicating the existence of the toll gate to be passed on the screen. Provided by. Driving information to inform the existence of a reroute route is provided by outputting a sound such as "A new recommended route has been found" or by displaying text or icons indicating the presence of a reroute route on the screen. Is done. In addition, since what was mentioned here is an example to the last, you may perform an audio | voice and screen display with another content.

  As described above, when various kinds of driving information are provided according to driving conditions, a standby word for voice recognition according to the driving information is set. This standby word is set in order for the user to request detailed information regarding the driving information provided from the navigation device 1 by voice, and different standby words are set depending on the information content provided as the detailed information.

  For example, for driving information that informs the occurrence of traffic jams, the standby word “Where?” For requesting detailed information on the traffic jam location and the standby word “How much” for requesting detailed traffic distance information Is set. In addition, for the driving information that informs the existence of a toll gate, a standby word “how much?” For requesting detailed information on the fee amount and detailed information on the operation to be performed by the user at the toll gate are requested. A standby word “What are you doing?” Is set. Furthermore, for the driving information that informs the existence of the reroute route, a standby word “why?” For requesting the detailed information of the cause of the reroute and the detailed information of the shortening time when traveling on the reroute route are requested. The standby word “What is the shortening time?” Is set. In addition, since what was mentioned here is an example to the last, you may set another waiting word.

  When the standby word as described above is set, the voice uttered by the user is detected by the microphone 20, converted into a voice signal, and output to the control circuit 11. The control circuit 11 executes voice recognition processing based on the voice signal from the microphone 20 and recognizes the content of the user's voice response. Then, it is determined whether or not the user's voice response matches the set standby word, and if it matches, the corresponding detailed information is provided to the user by voice output or image display. In this way, the user's request response to the provided driving information is detected, and detailed information regarding the driving information is provided to the user.

  For example, when the user utters a standby word “where?” Set for the driving information notifying that a traffic jam has occurred, a map screen including the traffic jam location is displayed as detailed information of the traffic jam location. Similarly, when a user utters a standby word “how much?” Set for the driving information notifying that a traffic jam has occurred, the traffic distance is presented by voice output or screen display as detailed information on the traffic jam distance.

  Also, for example, when the user utters a standby word “how much?” Set for the driving information that informs the existence of a toll gate, the amount to be paid at the toll gate is a voice amount detailed information. Is output. Similarly, when a standby word “What to do?” Set for the driving information that informs the existence of the toll booth is uttered by the user, as detailed information on the operation to be performed by the user at the toll gate, Instructions on how to receive a pass ticket, how to pay a fee, and which lane to go to are given by voice output or screen display.

  Further, for example, when the user utters a standby word “why?” Set for driving information that informs the existence of a reroute route, various information such as traffic congestion, route deviation, road closure, etc. are provided as detailed information about the cause of the reroute. Of the reroute causes, which reroute cause has occurred and the reroute process has been executed is output as a sound. Similarly, when a standby word “What is the shortening time?” Set for the driving information that informs the existence of the reroute route is spoken by the user, the original recommended route is used as detailed information on the shortening time when traveling on the reroute route. The difference between the estimated arrival time when traveling on the destination and the estimated arrival time when traveling on the newly searched reroute route is output as a voice.

  As described above, various types of driving information are provided according to driving conditions, and detailed information regarding the provided driving information is further provided in response to a request by a user's voice response.

  An example of how the navigation apparatus 1 provides driving information according to driving conditions and further provides detailed information related to the driving information is shown in FIGS. FIG. 2A shows that when a map screen near the position of the vehicle is displayed on the display monitor 16, a voice message “Congestion has occurred in the future” is output to notify the occurrence of traffic congestion. It shows how information is provided to the user. Reference numeral 30 denotes a vehicle position mark, which indicates the vehicle position on the map.

  As shown in FIG. 2 (a), when the navigation apparatus 1 provides driving information that informs the occurrence of traffic congestion, when the user makes a voice response “Where?”, Further information on the traffic congestion location is obtained. Detailed information is provided by the navigation device 1. FIG. 2B shows a state where detailed information on the traffic jam location is provided to the user by displaying a map screen including the traffic jam location on the display monitor 16. In this map screen, arrows 31 and 32 indicate the approximate distance from the occurrence point of the traffic jam. That is, it can be seen that the traffic is congested toward the intersection displayed on the map screen.

  Similarly to FIG. 2 (a), FIG. 3 (a) outputs a voice saying “There is a traffic jam ahead” when the map screen near the vehicle position is displayed on the display monitor 16. It shows how driving information is provided to the user by notifying the occurrence of traffic jams. When the user makes a voice response “how much?” At this time, the navigation apparatus 1 provides detailed information on the traffic jam distance as detailed information on the driving information. FIG. 3B shows a situation in which detailed information on the traffic jam distance is provided to the user by outputting a voice message “There is a traffic jam of about 2 km”. That is, it can be seen that the traffic jam distance is about 2 km.

  The contents of the driving information and the providing method thereof, the details of the detailed information and the providing method thereof, the contents and types of the standby words to be set, etc. are merely examples. Therefore, it is possible to provide various detailed information by providing various driving information in addition to the described contents, setting various standby words for it, and speaking the standby word to the user. it can.

  As described above, FIG. 4 shows a flowchart executed in the control circuit 11 when the driving information is provided according to the driving situation and further detailed information regarding the driving information is provided. In step S10, it is determined whether or not it is a driving situation where driving information should be provided based on a traffic jam situation in road traffic information, a facility situation on or near a recommended route on which the vehicle is traveling, and the like. . As mentioned above, for example, when the traveling direction of the host vehicle is congested, or there is a toll gate that should pass a predetermined distance on the recommended route that the host vehicle is traveling, the reroute process is executed and the previous recommendations When a new recommended route that is different from the route is searched, it is determined that the driving situation should provide driving information. If it determines with it being the driving | running state which should provide driving | operation information in step S10, it will progress to the following step S20.

  In step S20, driving information is output by performing various audio outputs and screen displays as described above according to the driving situation at that time. In step S30, a standby word corresponding to the driving information output in step S20 is set. For example, when the driving information that informs the occurrence of the traffic jam is output in step S20 as described above, the standby word “where?” For requesting the detailed information of the traffic jam location and the detailed information of the traffic jam distance are requested. Set the standby word “How much?” Thus, in step S30, a plurality of standby words corresponding to the driving information are set.

  In step S <b> 40, it is determined whether or not voice from the user is input to the microphone 20. If a voice is input, the process proceeds to the next step S50.

  In step S50, the voice input in step S40 is converted into a voice signal by the microphone 20, and the voice signal is input to the control circuit 11, thereby detecting the input voice. In the next step S60, voice recognition processing is performed based on the input voice detected in step S50. Thereby, the content of the voice uttered by the user is recognized in the navigation device 1.

  In step S70, based on the result of the speech recognition process in step S60, it is determined whether or not the input speech matches the standby word set in step S30. If it matches one of the set standby words, for example, as described above, the standby word “where?” And the standby word “how much?” Are set, and the same voice as one of these standby words is heard. If entered, the process proceeds to step S80.

  In step S80, detailed information corresponding to the standby word determined to match the input voice in step S70 is output by performing various voice outputs and screen displays as described above. For example, if the standby word “where?” Matches the input voice, detailed information is output by displaying a map screen including a traffic jam location on the display monitor 16 as shown in FIG. For example, when the input word matches the standby word “how much?”, Detailed information is output by outputting a voice “approximately 2 km of traffic jam” as shown in FIG. In this way, different detailed information is output in step S80 for each standby word set in step S30.

  As described above, the user's request response to the driving information provided in step S20 is detected by each process of steps S30 to S70, and detailed information regarding the driving information is output and provided to the user in step S80. . If detailed information is output by executing step S80, the flowchart of FIG. 4 is terminated.

  On the other hand, if it is determined in step S70 that the input speech does not match any of the set standby words, step S80 is not executed and the flowchart of FIG. 4 is terminated. In this case, only the driving information is provided by the navigation device 1, and detailed information regarding the driving information is not provided.

According to the first embodiment described above, the following operational effects can be obtained.
(1) Output various driving information according to the driving situation and provide it to the user (step S20), and detect a user request response to the driving information (steps S30 to S70). In response to the detection of the user's request response, detailed information regarding the provided driving information is output (step S80) and provided to the user. Since it did in this way, while providing various information with respect to a user, the detailed information regarding the information can be provided according to a user's request.

(2) When the driving information is provided to the user in step S20, a standby word corresponding to the driving information is set (step S30), and then the voice uttered by the user is detected (step S50). Then, based on the detected voice, it is determined whether or not the user has uttered the standby word set in step S30 (steps S60 and S70), thereby detecting a user request response to the provided driving information. It was decided. Since it did in this way, while a user's request | requirement response can be detected reliably with a simple process, a user's operation burden can be reduced.

(3) A plurality of standby words are set in step S30, and different detailed information is output to each standby word in step S80 and provided to the user. Since it did in this way, various detailed information can be provided according to a user's request.

(4) In the driving information output in step S20, any of driving information for notifying the occurrence of traffic jams, driving information for notifying the existence of a scheduled toll gate, or driving information for notifying the presence of a reroute route is provided. If it is included at least, a comfortable driving operation can be realized without hesitation when the user drives the vehicle.

(5) When the driving information for notifying the occurrence of traffic jam is included in the driving information output in step S20, the detailed information output in step S80 includes the detailed information on the traffic jam location or the traffic jam distance related to the driving information. At least one or both of the information can be included. In addition, when the operation information for notifying the presence of the toll gate is included in the operation information output in step S20, the detailed information output in step S80 includes detailed information on the fee amount related to the operation information or the fee The detailed information on the action to be performed by the user at the location may be included. Furthermore, when the driving information for notifying the existence of the reroute route is included in the driving information output in step S20, the detailed information output in step S80 includes the detailed information of the reroute cause or the reroute route related to the driving information. At least one or both of the detailed information of the shortening time when traveling can be included. In this way, a more comfortable driving operation can be realized when the user drives the vehicle.

-Second Embodiment-
Next, a navigation apparatus according to another embodiment of the present invention will be described. When the navigation apparatus according to the present embodiment provides various types of driving information to the user according to the driving situation, an operation button for requesting detailed information regarding the driving information is displayed on the screen. The user can request detailed information from the navigation device by selecting the operation button. In this way, the user's request response can be detected and detailed information can be provided without performing voice recognition processing.

  FIG. 5 shows an example of how driving information is provided according to driving conditions in the navigation device of the present embodiment, and further detailed information related to the driving information is provided. FIG. 5 (a) is similar to FIG. 2 (a) and FIG. 3 (a), when the map screen near the vehicle position is displayed on the display monitor 16, “There is a traffic jam ahead. The operation information is provided to the user by notifying the occurrence of the traffic jam by outputting the voice "."

  When driving information is provided to the user as shown in FIG. 5A, an operation button 33 for requesting detailed information on a traffic jam location and an operation button 34 for requesting detailed information on a traffic jam distance accordingly. Are displayed on the display monitor 16. It should be noted that “where?” Is written on the operation button 33 so that it corresponds to the detailed information of the traffic jam location. Similarly, “how much?” Is written on the operation button 34 so that it corresponds to the detailed information of the traffic jam distance.

  When the operation button 33 is selected by the user's selection operation input using the input device 17, a map screen including a traffic jam location is displayed on the display monitor 16 accordingly, as shown in FIG. . In this way, detailed information on the traffic jam location is provided to the user as detailed information regarding the provided driving information. On the other hand, when the operation button 34 is selected, as shown in FIG. 5C, the traffic jam distance is output as a sound. In this way, detailed information on the congestion distance is provided to the user as detailed information regarding the provided driving information.

  It should be noted that the contents of the driving information described above and the providing method thereof, the contents of the detailed information and the providing method thereof, the contents and types of the operation buttons to be displayed are merely examples. Accordingly, in addition to the contents described, various driving information is provided, various operation buttons are displayed, and any one of the operation buttons is selected by the user's operation. Can be provided.

  FIG. 6 shows a flowchart executed when driving information and detailed information are provided as described above in the present embodiment. In steps S110 and S120, processing similar to that in steps S10 and S20 in FIG. 4 is executed. That is, in step S110, it is determined whether or not the driving situation should provide driving information. In the next step S120, various driving information is output according to the driving situation at that time.

  In step S130, an operation button corresponding to the driving information output in step S20 is displayed on the display monitor 16. For example, when the driving information notifying the occurrence of the traffic jam is output in step S20 as described above, as shown in FIG. 5A, the operation button 33 for requesting the detailed information of the traffic jam location, the traffic jam distance An operation button 34 for requesting detailed information is displayed. Thus, in step S130, a plurality of operation buttons corresponding to the driving information is displayed.

  In step S140, it is determined whether any of the operation buttons displayed in step S130 has been selected by the user. If any one of the operation buttons is selected, the process proceeds to the next step S140. In this way, the user's selection operation on the operation button is detected.

  In step S150, detailed information corresponding to the operation button for which the selection operation by the user is detected in step S140 is output by performing various audio outputs and screen displays as described above. For example, when the operation button 33 is selected, detailed information is output by displaying a map screen including a traffic jam location on the display monitor 16 as shown in FIG. Further, for example, when the operation button 34 is selected, detailed information is output by outputting a voice of “approximately 2 km of traffic jam” as shown in FIG. In this way, different detailed information is output in step S150 for each operation button displayed on the display monitor 16 in step S130.

  As described above, the user's request response to the driving information provided in step S120 is detected by the processes in steps S130 and S140, and detailed information regarding the driving information is output and provided to the user in step S150. . When step S150 is executed and detailed information is output, the flowchart of FIG. 6 ends.

  According to the second embodiment described above, in addition to the same functions and effects as those of the first embodiment, the following functions and effects can be obtained.

(1) When the driving information is provided to the user in step S120, an operation button corresponding to the driving information is displayed on the display monitor 16 (step S130), and the user's selection operation for the displayed operation button is detected (step S140). ) To detect a user request response to the provided driving information. Since it did in this way, similarly to 1st Embodiment, a user's request | requirement response can be reliably detected with a simple process.

(2) A plurality of operation buttons are displayed on the display monitor 16 in step S130, and different detailed information is output for each operation button in step S150 and provided to the user. Since it did in this way, various detailed information can be provided according to a user's request | requirement similarly to 1st Embodiment.

  In each of the above embodiments, an example of a navigation device has been described. However, the present invention can also be applied to an in-vehicle information terminal other than the navigation device. That is, the present invention can be applied to various in-vehicle information terminals that provide users with various types of driving information according to driving conditions.

  Each embodiment and various modifications described above are merely examples, and the present invention is not limited to these contents as long as the features of the invention are not impaired.

  In each of the above embodiments, each means described in the claims is realized by the processing of the control circuit 11. That is, in the first embodiment, the driving information providing unit is realized by step S20, the response detecting unit is realized by steps S30 to S70, and the detailed information providing unit is realized by step S80. Among these, regarding the response detection means, step S30 is associated with the standby word setting means, step S50 is associated with the voice detection means, and steps S60 and S70 are associated with the determination means. In the second embodiment, the driving information providing means is realized by step S120, the response detecting means is realized by steps S130 and S140, and the detailed information providing means is realized by step S150. Among these, for the response detection means, step S130 is associated with the display control means, and step S140 is associated with the operation detection means. However, this is merely an example, and when interpreting the invention, there is no limitation or restriction on the correspondence between the items described in the above embodiments and the items described in the claims.

It is a block diagram which shows the structure of the navigation apparatus by one Embodiment of this invention. In the 1st Embodiment of this invention, it is a figure which shows an example of a mode that driving information is provided according to a driving | running condition, and also the detailed information regarding the driving information is provided. In the 1st Embodiment of this invention, it is a figure which shows another example of a mode that provides driving information according to a driving | running condition, and also provides the detailed information regarding the driving information. It is a flowchart performed in the 1st Embodiment of this invention. In the 2nd Embodiment of this invention, it is a figure which shows an example of a mode that provides driving information according to a driving | running condition, and also provides the detailed information regarding the driving information. It is a flowchart performed in the 2nd Embodiment of this invention.

Explanation of symbols

1 Navigation device 11 Control circuit 12 ROM
13 RAM
14 Current location detection device 15 Image memory 16 Display monitor 17 Input device 18 Disk drive 19 DVD-ROM
20 Microphone 21 Speaker

Claims (7)

Driving information providing means for providing various driving information to the user according to the driving situation;
Response detection means for detecting a user's request response to the driving information provided by the driving information providing means;
An in-vehicle information terminal comprising: detailed information providing means for providing detailed information related to the driving information to the user in response to detection of a user request response by the response detecting means. The in-vehicle information terminal according to claim 1,
The response detection means includes
Standby word setting means for setting a standby word according to the driving information provided by the driving information providing means;
Voice detection means for detecting voice uttered by the user after driving information is provided by the driving information providing means;
Determination means for determining whether or not the user has uttered the standby word set by the standby word setting means based on the voice detected by the voice detection means;
A vehicle-mounted information terminal that detects a user's request response to the driving information by determining that the user has uttered a standby word by the determining means. The in-vehicle information terminal according to claim 2,
The standby word setting means sets a plurality of standby words,
The in-vehicle information terminal characterized in that the detailed information providing means provides different detailed information for each standby word set by the standby word setting means. The in-vehicle information terminal according to claim 1,
The response detection means includes
Display control means for displaying operation buttons on the display monitor according to the driving information provided by the driving information providing means;
Operation detecting means for detecting a user's selection operation on the operation button displayed by the display control means,
An in-vehicle information terminal characterized by detecting a user's request response to the driving information by detecting a user's selection operation on the operation button by the operation detection means. The in-vehicle information terminal according to claim 4,
The display control means displays a plurality of operation buttons on a display monitor,
The in-vehicle information terminal characterized in that the detailed information providing means provides different detailed information for each operation button displayed on the display monitor by the display control means. In the in-vehicle information terminal according to any one of claims 1 to 5,
The driving information includes at least any one of driving information for notifying the occurrence of traffic congestion, driving information for notifying the existence of a toll gate to be passed, or driving information for notifying the presence of a reroute route. In-vehicle information terminal. The in-vehicle information terminal according to claim 6,
When the driving information for notifying the occurrence of traffic congestion is included in the driving information, the detailed information includes at least one or both of detailed information on a traffic jam location and traffic jam distance regarding the driving information,
When the operation information for informing the existence of a toll pass toll is included in the operation information, the detailed information includes at least detailed information on a fee amount related to the operation information or detailed information on an operation to be performed by the user at the toll gate. Includes one or both,
When the driving information for notifying the existence of the reroute route is included in the driving information, the detailed information includes at least one of the detailed information of the reroute cause related to the driving information and the detailed information of the shortened time when traveling on the reroute route. An in-vehicle information terminal comprising either or both of them.

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