JP3308864B2 - In-vehicle information terminal device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention receives a broadcast transmitted from an information center as textual information such as event information relating to various events held in a plurality of recreational facilities and specific areas, and weather information. The present invention relates to an in-vehicle information terminal device.

[0002]

2. Description of the Related Art In recent years, a vehicle-mounted information terminal device such as a navigation system is connected to an information center via a telephone line, and registered in a database from the information center.
A vehicle-mounted information terminal device and an information center having a function of receiving event information and daily information such as a weather forecast relating to various events held in a plurality of stored entertainment facilities and specific areas. It has been proposed to configure an information providing system consisting of:

The information providing system will be described briefly. For example, as shown in FIG. 4, daily information such as event information and weather forecast is registered and stored in an information center 1 for each of a plurality of recreational facilities and specific areas. A database is provided, and a vehicle-mounted information terminal device such as a navigation system mounted on the automobile 2 is connected to the information center 1 by a telephone line using a mobile phone or an automobile phone.

[0004] Then, the information center 1 is called from the vehicle-mounted information terminal device, the telephone line is connected, and mutual communication is possible. When there is a request for certain event information from the vehicle-mounted information terminal device, The request is transmitted to the information center, the database is searched in the information center, the requested event information is read, and the read event information is transmitted from the information center 1 to the vehicle-mounted information terminal device, The details of the received event information are displayed on the display screen of the terminal device, and the driver or the like of the automobile 2 can know what event is being held from the display.

[0005] Therefore, when a driver or the like wants to obtain some information about an event held in the vicinity of a destination to which the driver is going to go, for example, by inputting the destination on the in-vehicle information terminal, the driver can input the destination. Event information on the surrounding area can be received from the information center 1.

[0006]

However, in the case of the above-mentioned information providing system, it is necessary to equip both the vehicle-mounted information terminal device and the information center with communication equipment, so that there is a problem that it becomes very expensive.

On the other hand, as an information providing system which functions almost in the same manner as this information providing system, in addition to services such as traffic information which has already been implemented, daily information such as event information relating to an event held in an entertainment facility or a specific area. It is conceivable to perform FM multiplex broadcasting as character information from a broadcasting station, which is an information center, to receive this by a vehicle-mounted teletext receiver and to display the received character information on a display unit. This is advantageous in that it can be configured at a lower cost than the information providing system described above.

[0008] However, in the conventional FM multiplex broadcasting service, since event information and the like in various places are transmitted one by one from a broadcasting station in a fixed broadcasting time zone, unnecessary information is also received and displayed on a display unit. However, it is necessary to determine whether or not this information is necessary after viewing the information displayed on the receiving side, and there is a problem that it is time-consuming and troublesome to obtain the information. For example, if you want to get event information around the destination you are about to go to, you must wait while watching the display until the event information around the destination is displayed on the display among the various event information that is being broadcast. Must.

An object of the present invention is to make it possible to easily obtain daily information around a destination with an inexpensive configuration.

[0010]

Means for Solving the Problems According to the first aspect of the present invention, daily information such as event information about various events held in a plurality of recreational facilities and specific areas and weather forecasts is used as character information as a character position. In an in-vehicle information terminal device that receives a broadcast transmitted from an information center together with data, a text broadcast receiving unit that receives the text information, a position detection unit that detects a current vehicle position, and a map that stores map data A data storage unit that reads out the detected map data around the vehicle position, map data around the destination set by operation of the operation unit, and position data of the destination from the map data storage unit; A control unit that captures the character information received by the receiving unit;
Updating the character information is controlled captured by the control unit by the control unit to the latest, with a database unit for storing, and a display unit that displays the character information is controlled by the control unit, the control unit , when the destination setting by the operation of the operation section is performed, based on the position data of the destination to be read from the front Symbol map data storage unit, the database unit position data within a predetermined distance from the destination searching by the control unit whether the stored, so read the character information from the database unit in the position data of Niso, displaying the character information read out by controlling the pre-Symbol display unit when it is stored It is characterized by doing.

According to such a configuration, when the text information is received by the text broadcast receiving unit, the received text information is stored and updated in the database unit, and the destination is set by operating the operation unit. The control unit searches whether or not position data within a predetermined distance from the destination is stored in the database unit. If the position data is stored, character information of the position data is read out, and the vicinity of the set destination is read. Character information representing the daily information is displayed on the display unit.

Accordingly, the driver or the like can obtain daily information such as event information around the destination and weather forecast from the screen of the display unit by performing only one operation of setting the destination.

At this time, as described in claim 2, the control unit derives a route to a destination set by operating the operation unit, and position data within a certain distance from the derived route is obtained. aforementioned <br/> whether search or stored in the database unit, that the character information at the position data when stored has a function of displaying on the display unit is read from the database unit desirable.

In this case, when a destination is set by operating the operation unit, a route to the destination is derived,
The control unit searches whether or not position data within a certain distance from the route is stored in the database unit, and the derived daily information around the route can be obtained.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. 1 is a block diagram, FIG. 2 is a flowchart for explaining the operation, and FIG. 3 is an explanatory diagram of the operation.

In FIG. 1 showing the configuration of the on-board information terminal device, reference numeral 11 denotes a text broadcast receiving unit having a function of receiving an FM multiplex broadcast for receiving FM multiplexed text information from a broadcast station which is an information center (not shown); Reference numeral 12 denotes a position detection unit comprising a GPS (Global Positioning System) for detecting the current position of the vehicle. Reference numeral 13 denotes a local database unit, which comprises, for example, a DVD and is controlled by a control unit to be described later, and stores map data. It corresponds to a storage unit and a database unit that stores the character information that is the daily information received by the teletext receiving unit 11 together with the location data of the region included therein as shown in FIG. I do.

Reference numeral 15 denotes an operation unit having a plurality of operation keys for moving a cursor and the like, 16 denotes a display unit composed of a liquid crystal display, 17 denotes an audio output unit that synthesizes and outputs guidance information for navigation and the like, 18 Is a storage unit for temporarily storing data, 19 is a control unit, which controls each unit, and detects map data around the detected vehicle position, map data around the destination set by operation of the operation unit 15, and The position data of the destination is read from the local database unit 13, and a function of displaying a road map based on the read map data and a mark indicating the detected vehicle position on the display unit 16 is provided. A route guidance machine that derives an optimal route, displays the route on the map being displayed, and guides the user by voice from the audio output unit 17 according to the route. Having.

The control unit 19 further includes a teletext receiving unit 11
And the local database unit 13 is controlled to update the received character information to the latest one. When the destination is set by operating the operation unit 15, the local database unit 13 The position data of the destination is read, and based on the data, a search is performed to determine whether or not the position data within a predetermined distance (for example, within 10 km) from the destination is stored in the local database unit 13. It has a function of reading information from the local database unit 13, controlling the display unit 16 and the audio output unit 17 to display the read character information on the display unit 16, and appropriately converting the audio output unit 17 into audio and outputting it.

The control unit 19 stores the position data within a certain distance (for example, within 1 km) from the route derived by the above-mentioned route guidance function into the local database unit 1.
3 is read, and if it is stored, the character information at the position data is read from the local database unit 13 and the display unit 16 and the sound output unit 17 are controlled to display the read character information and to output the sound information. The output unit 17 also has a function of appropriately converting the output to sound.

Next, the operation of the above terminal device will be described with reference to the flowchart of FIG.

First, as shown in FIG. 2, it is determined whether or not there is a key operation on the operation unit 15 (step S1). If the result of this determination is YES, it is determined whether or not the destination has been set by the key operation Is determined (step S2),
If this determination is NO, the process moves to step S3 together with the case where the determination in step S1 is NO.

Then, in step S3, it is determined whether or not there is character information, which is the daily information received by the teletext receiving unit 11 (step S3). The character information received by the control of the local database unit 13 is stored and updated in the local database unit 13 (step S4), and thereafter, the process returns to step S1 together with the case where the determination result of step S3 is NO.

On the other hand, if the decision result in the step S2 is YES, the route guidance function of the control section 19 is activated to derive a route to the set destination (step S5), and the route is set in the step S2. The location data of the destination and the location data of a plurality of points on the derived route are read from the local database unit 13 (step S6), and the read location data of the destination and the like and the local database unit 13 are read. Is compared with the position data stored in the route, the vehicle enters a predetermined distance (within 10 km) from the destination, and a predetermined distance (1 km) from the derived route.
A search is performed to determine whether or not position data that falls within m) is already stored in the local database unit 13 (step S7).

Then, by the process of step S7, the local database unit 13 stores the data within a predetermined distance (10
When the position data is within a predetermined distance (within 1 km) from the derived route, character information in the position data is read from the local database unit 13 and the control unit 19 controls the display unit 16 and the display unit 16. The voice output unit 17 is controlled, and the read character information is displayed on the display unit 16, and the voice output unit 17 appropriately converts and outputs voice (step S <b> 8), and then returns to step S <b> 1.

As described above, at a predetermined broadcast time, daily information such as event information relating to various events to be held in a plurality of entertainment facilities and specific areas that are registered in advance as a broadcast menu of a broadcast station and weather forecasts are provided. When certain character information is FM multiplex broadcast from a broadcasting station, and the character information by the FM multiplex broadcast is received by the character broadcast receiving unit 11, the received character information is stored in the local database unit 13 and updated at the latest. Be updated to things.

When the destination is set by operating the operation unit 15, the position data of the destination is read from the local database unit 13 by the control unit 19, and the optimum route to the destination is determined by the route guidance. The position data of a plurality of points on the route derived by the function is read out from the local database unit 13, and by comparing the read out position data of the destination with the position data stored in the local database unit 13,
It is searched whether or not position data within a predetermined distance such as within 10 km from the set destination is stored in the local database unit 13.

Further, by comparing the read position data of a plurality of points on the route with the position data stored in the local database unit 13, for example, one position is derived from the derived route.
It is also searched whether position data within a certain distance, such as within km, is stored in the local database unit 13, and if stored, character information of the position data is read from the local database unit 13, and the location information around the destination is read. Character information and character information near the route to the set destination are
It is displayed on the display unit 16 and is appropriately vocalized by the voice output unit 17.

Therefore, according to the above-described embodiment, the driver or the like merely performs one operation of setting a destination, and displays daily information such as event information around the destination and a route near the destination and weather forecast. Character information can be obtained from the screen of the display unit or by voice, so that it is not necessary to wait until the character information desired to be displayed is displayed as in the case of using the conventional FM multiplex broadcasting service.
It does not take much time to obtain the information, and it is possible to obtain daily information around the destination with an inexpensive configuration.

In the above embodiment, the control unit 19
The case where character information near the route to the destination derived by the route guidance function of the above is also described is described, but such character information as daily information near the route is not particularly searched. Of course, only the character information which is the daily information around the set destination may be searched.

Further, in the above-described embodiment, the case where the character information is displayed on the display unit 16 and the sound output unit 17 appropriately converts the sound information is described. However, it is not always necessary to perform both the display and the sound conversion of the character information. Instead, only one of the display by the display unit 16 and the voice conversion by the audio output unit 17 may be performed.

Further, the local database unit 13
It goes without saying that the present invention is not limited to the DVD described above.

The present invention is not limited to the above embodiment, and various changes other than those described above can be made without departing from the gist of the present invention.

[0033]

As described above, according to the first aspect of the present invention, a driver or the like only needs to perform one operation of setting a destination, and can obtain daily information such as event information around the destination and weather forecast. Can be obtained from the display screen,
As in the case of using the conventional FM multiplex broadcasting service,
There is no need to wait until the latest character information to be obtained is broadcast , and daily information around the destination can be easily obtained with an inexpensive configuration, which is extremely suitable as a vehicle-mounted device.

According to the second aspect of the present invention, when a destination is set by operating the operation unit, a route to the destination is derived, and daily information around the derived route is easily obtained. be able to.

[Brief description of the drawings]

FIG. 1 is a block diagram of one embodiment of the present invention.

FIG. 2 is a flowchart for explaining the operation of the above.

FIG. 3 is an operation explanatory diagram of the above.

FIG. 4 is a schematic diagram of an information providing system as a background of the present invention.

[Explanation of symbols]

 Reference Signs List 11 Teletext receiving unit 12 Position detecting unit 13 Local database unit 15 Operation unit 16 Display unit 19 Control unit

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Claims (2)

(57) [Claims] (1) held at a plurality of recreational facilities and specific areas, etc.
Information and weather forecasts for various events
Location data of the area as text information
To receive the broadcast transmitted from the information center together with
In the information terminal device for use, a text broadcast receiving unit for receiving the text information, a position detection unit for detecting a current position of the vehicle, a map data storage unit for storing map data, and a vicinity of the detected vehicle position Map data and operation of the operation unit
Map data around the destination set by
Read the location data of the destination from the map data storage unit
And the character information received by the teletext receiving unit.
And a control unit for controlling the control unit, and
Database that updates and stores the character information
And a display controlled by the control unit to display the character information.
Department andThe control unit includes:  When the destination is set by operating the operation unit,
PreviousThe destination position read from the map data storage unit
Location data within a predetermined distance from the destination based on the location data.
Before the data is stored in the database section
Is searched and stored by the control unitNisoPosition of
Reading character information in the data from the database unit
broth,PreviousThe character information read out by controlling the
In-vehicle information terminal device characterized in that it is displayed.
Place. 2. The control unit derives a route to a destination set by operating the operation unit, and determines whether position data within a certain distance from the derived route is stored in the database unit . searches, vehicle information terminal device according to claim 1, characterized in that it reads the character information from said database unit includes a function of displaying on the display unit at the position data when the stored .