JPH1116090A - Communication equipment for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a communication equipment of a vehicle in which a vehicle can surely receive information in a good timing without any labor from an information providing station. SOLUTION: A CPU 10 of the communication equipment of a vehicle detects the presence of a traveling environment as a transmission condition such as whether or not the prevent position of its own vehicle is within 5 km from the Yokohama IC from a signal from a present position detecting device 3 or the like, allows a driver to know this, and automatically connects a radio line with an information providing station. Moreover, the CPU 10 reads the kind of information corresponding to the traveling environment, for example, the congestion information of a speed way from a data file in which conditions and the kinds of information are made correspond to each other, transmits it to the information providing station after connecting the radio line, and obtains corresponding information with a voice or data from the information providing station. Therefore, the vehicle can surely receive information from the information providing station in a good timing without any labor.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a vehicle mounted on a vehicle,
The present invention relates to a vehicle communication device for receiving information from an information providing station via a wireless line, and more particularly, to a vehicle communication device capable of receiving information from an information providing station reliably and at a good timing.

[0002]

2. Description of the Related Art In recent years, a navigation device for providing a driver of a vehicle with route guidance to a destination has been put into practical use. In this navigation device, a map is displayed on a display, and the input destination, the route to the destination searched by the route search, the position of the own vehicle while traveling, the traveling locus up to that point, and the like are superimposed. Is displayed. The driver can obtain route information that he / she should go by sequentially referring to this display, and can reach the destination by moving according to the direction of the route. However, such a navigation device can know the route to the destination, but cannot know the traffic congestion state of the road.

[0003] Therefore, there is a membership service called ATIS (Atis), which provides traffic information in consideration of traffic congestion from an information providing station through communication. In this ATIS service, the information providing station receives destinations and the like from individual members by voice, and individually provides data such as traffic congestion status at that time. Further, JP-A-5-10
In Japanese Patent No. 2906, a wireless station that provides information detects the current location of a vehicle using vehicle position information of a mobile communication system such as a navigation device or a car phone, and according to the position of each vehicle, information on traffic congestion and the like. Mobile communication systems that provide information have been devised. In this mobile communication system, detailed information can be provided according to the position of each vehicle.

[0004]

However, the above-mentioned ATI
In the service by S or the mobile communication system described in Japanese Patent Application Laid-Open No. 5-102906, information such as traffic congestion is provided in response to a request from a vehicle. We cannot take countermeasures according to information, such as vehicles entering traffic areas or construction areas that should be avoided,
There was a risk that information could not be fully utilized. Further, it is necessary for the driver or the like to determine whether or not the vehicle environment requires transmission and to perform various operations for transmission.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a vehicle communication apparatus capable of receiving information from an information providing station reliably, at good timing, and without trouble. The purpose is to provide.

[0006]

According to the present invention, there is provided a condition storing means in which a predetermined running environment of a vehicle is stored as a transmission condition, an environment detecting means for detecting a running environment of the vehicle, and an environment detecting means. Determining means for determining whether or not the detected traveling environment satisfies the transmission condition; and providing information relating to traveling or the like when the determining means determines that the traveling environment satisfies the transmission condition. The object is achieved by providing a vehicle communication device provided with a transmitting means for automatically connecting and holding a wireless line to an information providing station.

[0007] The "driving environment" of the vehicle is, for example,
It refers to the environment of the vehicle in a state where the vehicle is running, such as the time, the position of the vehicle, the state of the vehicle such as the speed of the vehicle and the remaining fuel amount, and the traveling route. Also, the predetermined “driving environment” of the vehicle is
For example, "when the vehicle enters a range of 2 km from an interchange" or "noon" refers to a range of the driving environment in which information is desired to be received from the information providing station.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to FIGS. (1) Overview of the Embodiment In the vehicle communication device of the present embodiment, for example, the CPU 10 determines whether or not the traveling environment as a transmission condition such as “when the current position of the own vehicle is within 5 km from the Yokohama IC” is reached.
Detects by a signal from the current position detecting device 3 or the like, informs the driver, and automatically connects a wireless line to the information providing station. Further, the CPU reads the type of information corresponding to the driving environment, for example, traffic congestion information on the expressway from the condition-information type correspondence data file stored in the RAM, and transmits the information to the information providing station after connecting the wireless line. The corresponding information is obtained by voice or data from the information providing station. Therefore, the vehicle can receive the information from the receiving information providing station without fail, without fail, reliably and at a good timing.

(2) Details of Embodiment FIG. 5 is an explanatory diagram showing a form of information reception by the communication device of the vehicle shown in FIG.

FIG. 1 is a block diagram showing a configuration of an embodiment of a vehicle communication device according to the present invention. As shown in FIG. 1, the vehicle communication device according to the present embodiment includes a navigation processing unit 1 that performs various processes such as a route guidance process and control / calculation processes of the entire device. The navigation processing unit 1 performs data processing and controls the operation of each unit.
A PU (central processing unit) 10 is provided.
0, a ROM 12, a RAM 13, a recording medium drive 14, a bus line 11 such as a data bus and a control bus.
The audio processing unit 15, the communication unit 16, the timer 18, and other units (not shown) are connected.

The ROM 12 is a read-only memory in which various data and programs for performing control by the CPU 10 are stored in advance. The RAM 13 is a random access memory used by the CPU 10 as a working memory. The RAM 13 stores a destination area in which coordinates (latitude and longitude) corresponding to the destination set by the user are stored, and a condition for transmitting a request for information to the information providing station stored in the transmission condition area 49 (transmission A predetermined driving environment of the vehicle as the condition) and data selected by the driver among the information corresponding to the predetermined driving environment are read from the condition-information type correspondence data file and stored, such as a transmission condition area. Various areas are secured.

In the navigation processing unit 1 of the present embodiment, the CPU 10 reads various programs stored in the ROM 12 and executes various processes.
The CPU 10 reads a computer program from an external recording medium set in the recording medium driving device 14 and stores (installs) it in a storage device such as a hard disk (not shown) connected by the bus line 11.
Necessary programs and the like may be read from the storage device into the RAM 13 and executed. Further, a necessary program or the like may be directly read from the recording medium driving device 14 into the RAM 13 and executed.

The voice processing unit 15 controls the route guidance of the vehicle and the provision of information based on the voice output from the voice output device (speaker) 7. A volume controller 17 for adjusting the volume of voice guidance is connected between the voice processor 15 and the voice output device 7. The volume of the volume controller 17 is adjusted by a manual operation of the operator, and is also automatically adjusted by the audio processor 15.

FIG. 2 is a block diagram showing a detailed configuration of the communication unit 16. The mobile phone 6 including various wireless communication devices is connected to the communication unit 16. The communication unit 16 includes, as shown in FIG.
, A data communication unit 16b, and an identification code detection unit 16c
And a communication mode switching unit 16d. The voice communication unit 16a performs voice transmission and reception with the information providing station in the call mode. In the data communication mode, the data communication unit 16b transmits / receives traffic information such as road congestion status and traffic regulations in the present embodiment to / from the information providing station, and transmits karaoke data used for communication karaoke in the vehicle. Send and receive data. Identification code detector 16
c detects an identification code transmitted before data transmission from the information providing station. The communication mode switching unit 16d switches the connection of the mobile phone 6 from the voice communication unit 16a to the data communication unit 16b when the identification code is detected.

The recording medium driving device 14 is a driving device used when the CPU 10 reads a computer program for performing various processes from an external recording medium. The computer programs recorded on the recording medium include various programs and data. here,
The recording medium refers to a recording medium on which a computer program is recorded. Specifically, a magnetic recording medium such as a floppy disk, a hard disk, a magnetic tape, a semiconductor recording medium such as a memory chip or an IC card, a CD-ROM or an M
Recording media such as O, PD (phase change rewritable optical disk) or the like, paper such as a paper card or paper tape, paper such as a printed matter for reading a program using a character recognition device (and corresponding to paper) Recording medium using a recording medium having a function) and other recording media in which computer programs are recorded by various methods. As a recording medium used in the navigation processing unit 1 of the present embodiment, a CD-ROM or a floppy disk is mainly used.

In addition to reading computer programs from these various recording media, the recording medium driving device 14 stores data in the RAM 13 and the data file device 4 when the recording medium is a writable recording medium such as a floppy disk. Etc. can be written on the recording medium.

In the vehicle communication device of the present embodiment, as shown in FIG. 1, the navigation processing unit 1 includes an input device 2, a current position detection device 3, a data file device 4,
A display device 5, a mobile phone 6, an audio output device 7, a vehicle speed sensor 8, a remaining fuel sensor 9, and other various devices (not shown) are connected. The input device 2 includes a current location (departure point) and a destination (arrival point) at the time when the vehicle starts traveling, a predetermined traveling environment (transmission condition) of the vehicle to which a request for information such as traffic congestion information is transmitted to an information providing station, It is for inputting the type (model) of the telephone 6, etc., and includes a touch panel, a keyboard,
Various devices such as a mouse, a light pen, a joystick, and a voice recognition device can be used. The input device 2 includes
A remote control using infrared rays or the like and a receiving unit that receives various signals transmitted from the remote control may be provided. The remote control includes a joystick for moving the cursor displayed on the screen, a menu designation key (button),
Various keys such as a numeric keypad are arranged.

The transmission conditions inputted and set by the input device 2 are based on the time, the vehicle position, the vehicle state, and the traveling route, and a plurality of transmission conditions can be selected. . This transmission condition is selected, for example, by selecting a parameter of “when the vehicle is within △△ km from 〇〇 interchange”, selecting or inputting a place name corresponding to 〇〇, and selecting or inputting a numerical value corresponding to △△. The setting is made by selecting parameters such as inputting, and selecting or inputting a place name and a numerical value as necessary.

The current position detecting device 3 is for detecting the absolute position (depending on latitude and longitude) of the vehicle, and uses a GPS (Global Positioning System) for measuring the position of the vehicle using artificial satellites.
Positioning System) a receiving device 31, a beacon receiving device 32 for receiving position information from a beacon placed on the road, an azimuth sensor 33, a distance sensor 34, and a steering angle sensor 35 are used. The GPS receiver 31 and the beacon receiver 32 can perform position measurement independently,
In a place where reception by the receiving device 31 or the beacon receiving device 32 is impossible, the current position is detected by dead reckoning navigation using both the direction sensor 33 and the distance sensor 34.

The azimuth sensor 33 is, for example, a geomagnetic sensor for detecting the terrestrial magnetism to obtain the azimuth of the vehicle, a gas rate gyro or an optical fiber gyro for detecting the angular velocity of the vehicle and integrating the angular velocity to obtain the azimuth of the vehicle. gyro,
A wheel sensor or the like is used in which left and right wheel sensors are disposed, and a displacement of the azimuth is calculated by detecting turning of the vehicle based on an output pulse difference (difference in moving distance). As the distance sensor 34, for example, various methods such as a method of detecting and counting the number of rotations of a wheel, or a method of detecting acceleration and integrating twice are used. The steering angle sensor 35 detects the steering angle α using an optical rotation sensor, a rotation resistance volume, or the like attached to a rotating portion of the steering.

As shown in FIG. 1, the data file device 4 includes a communication area data file 41, a drawn map data file 42, an intersection data file 43, a node data file 44, a road data file 45, a search data file 46, a photograph data A file 47, a sightseeing guide data file 48, and a condition-information type correspondence data file 49 are provided. The data file device 4 includes, for example, a floppy disk, a hard disk, a CD-RO
Various recording media such as an M, an optical disk, a magnetic tape, an IC card, and an optical card, and their driving devices are used. In addition,
The data file device 4 may be composed of a plurality of different recording media and driving devices. For example, a search data file 46, a sightseeing information data file 48,
And a recording medium (for example, a flash memory or the like) capable of reading and writing the condition-information type correspondence data file 49,
Other files are constituted by a CD-ROM, and these drive devices are used as drive devices.

The communication area data file 41 contains communication area data for displaying the area where the mobile phone 6 can communicate from inside the vehicle on the display device 5 and for using the area where the communication can be performed when searching for a route. 6 are stored for each type. Each communication area data for each type of the mobile phone 6 is numbered and managed so that it can be easily searched, and the communicable area can be represented by the inside surrounded by a closed curve. It is divided into minutes and specified by the position data of the inflection point. In addition, the communication area data divides the communicable area into various rectangular areas of various sizes,
The data may be formed by using coordinate data of two points having a diagonal relationship. It is desirable that the contents stored in the communication area data file 41 can be updated as the area where the mobile phone 6 can be used is expanded or reduced. For this purpose, the mobile phone 6 and the communication unit 16 can be used. , Communication with the information providing station, and the communication area data file 41
Is configured to be updated with the latest data. The communication area data file 41 may be constituted by a floppy disk, an IC card, or the like, and may be rewritten with the latest data. Drawing map data file 4
2 stores drawing map data to be drawn on the display device 5. The rendered map data stores hierarchical maps, for example, map data for each layer, such as Japan, the Kanto region, Tokyo, and Kanda, from the highest layer. Map data of each layer is provided with a map code.

The intersection data file 43 includes an intersection number identifying each intersection, an intersection name, coordinates of the intersection (latitude and longitude), a number of a road at which the intersection is a start point and an end point, and the presence or absence of a signal. It is stored as intersection data. The node data file 44 stores node data including information such as latitude and longitude that specify the coordinates of each point on each road. That is, the node data is data relating to one point on the road. If a node connecting nodes is called an arc, it is expressed by connecting each of the plurality of node arrays with an arc. Also, node data for specifying the coordinates of each spot in the spots to be described later is stored.

The road data file 45 includes a road number for specifying each road, an intersection number serving as a start point and an end point, a number of a road having the same start point and end point, road thickness, prohibition information such as prohibition of entry, and the like. The photo number of the photo data is stored. Road network data composed of intersection data, node data, and road data stored in the intersection data file 43, the node data file 44, and the road data file 45, respectively, is used for route search.

The search data file 46 stores intersection row data, node row data, and the like that constitute a route generated by the route search. The intersection column data includes information such as an intersection name, an intersection number, a photograph number of a characteristic scene of the intersection, a turning corner, a distance, and the like. Further, the node string data includes information indicating the position of the node, such as east longitude and north latitude. In the photo data file 47, photos of each intersection or a characteristic scenery seen while traveling straight ahead are stored in a digital, analog, or negative film format corresponding to the photo number. The sights guidance data file 48 stores data for guiding each sights, and includes image data of photographs and illustrations relating to the scenery of each sights, and character data and voice data relating to the description of the sights. I have.

Condition-information type correspondence data file 49
Stores data relating to correspondence between transmission conditions input from the input device 2 and types of information requested to be transmitted to the information providing station. FIG. 3 shows an example of the correspondence relationship between the transmission condition stored in the condition-information type correspondence data file 49, the information type, and the communication mode. As shown in FIG. 3, for example, the transmission condition “when the time is noon” is associated with the information type “restaurant information near the vehicle position”.

The display device 5 displays various images and character information in addition to a normal route guidance road map. Various display devices such as a liquid crystal display device and a CRT are used. Note that the display device 5 may have a function as the input device 2 such as a touch panel, for example. The mobile phone 6 is connected to another mobile phone or an information providing station mainly through a digital mobile communication network.
The connection is made by high-speed communication of 0 bps or 19200 bps, but another communication method may be used. For example, ISDN (Integrated Services Digital
Network), regular telephone network, Internet, F
Communication via various data communication networks such as an AX communication network, a PHS, a wireless satellite communication, and an optical communication may be performed. Note that the communication speed of the mobile phone 6
Alternatively, the setting may be made automatically according to the communication capability of the communication unit 16.

The voice output device 7 is composed of a plurality of speakers arranged in the vehicle, and outputs voice when performing route guidance by voice. The audio output device 7 may also be used as an audio speaker. Further, the audio output device 7 may form a hands-free unit together with the audio input means (microphone) so that communication in the audio mode can be performed without passing through the mobile phone 6. As the vehicle speed sensor 8, a conventionally known vehicle speed sensor such as one that detects the rotational angular velocity or the number of rotations of a speedometer cable to calculate the vehicle speed can be used without any particular limitation. As the remaining fuel sensor 9, a conventionally known remaining fuel sensor such as a sensor that detects a change in the liquid level in the fuel tank and calculates the amount of remaining fuel can be used without any particular limitation.

Next, the operation of the communication device for a vehicle of the present embodiment having the above-described configuration will be described. In the vehicle communication device according to the present embodiment, when a destination is input from the input device 2, the navigation processing unit 1 detects the current position based on data from the current position detection device 3, and The search for the optimal route from the current position to the input destination is started based on each data of the above. When this search is completed, a map is displayed on the display device 5, and the input destination, the route to the destination searched by the route search, the current position of the own vehicle, and the like are superimposed on the map. When the traveling of the vehicle is started, the traveling locus and the like are further superimposed on the display device 5. Therefore, the driver can obtain route information to which the driver should go by sequentially referring to the display device 5.

Before and after the input of the destination, the display device 5
An inquiry as to whether or not to request information from the information providing station is displayed during traveling, and when an answer to the inquiry is obtained, a condition for transmitting an information request to the information providing station from the condition-information type correspondence data file 49 is displayed. (The transmission condition is read and displayed. When the driver selects a desired transmission condition by touching the touch panel of the display device 5 or by key input, the condition-information type correspondence data file 49 The type of information corresponding to the input transmission condition is read, and the transmission condition and the type of information are displayed on the display device 5 and stored in the transmission condition area of the RAM 13. If the transmission condition is not selected, All the condition-information of FIG. 3 is stored in the transmission condition area of the RAM 13.

When traveling starts, the CPU 10 determines the traveling environment of the vehicle based on signals from the current position detecting means 3, the timer 18, the vehicle speed sensor 8, and the remaining fuel sensor 9. FIG. 4 is an explanatory diagram illustrating an example of a flow of communication by the communication device of the vehicle in FIG. 1. When the current driving environment satisfies the transmission condition stored in the transmission condition area 13 of the RAM, the CPU 10 reads the type of information to be requested from the RAM 13 to the information providing station and, as shown in FIG. 5 shows the type of information and an inquiry about whether or not to connect a wireless line to the information providing station. Upon receiving an answer to connect the line, the CPU 10 instructs the communication unit 16 to automatically call the mobile phone 6, and the line between the mobile phone 6 and the information providing station is connected. The connection at this time is performed in the data mode by the data communication unit 16b.

When the line is connected, the CPU 10 transmits the data of the type of information and the current position of the vehicle to the data communication unit 16.
b to the information providing station. Thereafter, when the mode information corresponding to the information type in FIG. 3 is the voice mode, the communication mode is switched by the communication mode switching unit 16d to the voice mode by the voice communication unit 16a. When the mode information corresponding to the type of information in FIG. 3 is the data mode, the line is held in the data mode.
Then, in this data mode, from the information provider,
The requested information (voice or data) is transmitted.

As described above, in the vehicle communication device according to the present embodiment, when the condition stored and held in the RAM 13 is satisfied, the CPU 10 detects this, and the communication unit 16
The wireless line to the information provider is automatically connected and maintained.
Therefore, the vehicle can receive the information without fail, without fail, and at a good timing without having to push the dial for transmission. In the vehicle communication device according to the present embodiment, at the time of transmission, the position of the vehicle at that time is automatically transmitted to the information providing station, so that information using the vehicle position as a parameter can be obtained with a small amount of trouble.

Further, in the vehicle communication device of the present embodiment,
The type of information is determined from the transmission conditions based on the condition-information type correspondence data file 49, and is automatically transmitted to the information providing station at the time of transmission, so that necessary information can be obtained with a small amount of trouble. Can be. In the communication device of the vehicle according to the present embodiment, the communication mode switching unit 16d automatically switches between the voice mode and the data mode, so that information can be received in an appropriate mode with a small amount of trouble.

The communication device for a vehicle according to the present invention is not limited to the above-described embodiment, but includes a condition storage means in which a predetermined traveling environment of the vehicle is stored as a transmission condition, and a traveling environment of the vehicle. Environment detecting means for detecting, a determining means for determining whether or not the traveling environment detected by the environment detecting means satisfies the transmission condition, and it is determined by the determining means that the traveling environment satisfies the transmitting condition. In this case, it can be changed as appropriate as long as there is provided a transmitting means for automatically connecting and holding a wireless line with an information providing station for providing information related to traveling or the like.

For example, in the present embodiment, if the correspondence between the transmission condition and the type of information is fixed, the present invention also enables another type of information to correspond to the transmission condition. You may. Specifically, the first transmission condition and the fourth information type in FIG. 3 may be selected in combination. Further, in the present embodiment, the transmission condition is selected for each vehicle traveling. However, a title is given to the selected content, and the selected content is stored in the data file device 4 as an individual file for each individual or each destination. May read out an individual file, select one of them, and set transmission conditions and the like, thereby simplifying the operation. Further, when an inquiry about whether or not to connect a line is displayed, the type of information to be requested to the information providing station may be displayed together with the display of the inquiry. Further, at this time, it is also possible to obtain a correction input of the type of information.

The information type data transmitted following the connection of the wireless line may be synthesized in the audio mode by the audio processing unit 15 and then transmitted in the audio mode. Switching of the communication mode according to the communication mode information may be performed by input from the driver by instructing the driver by voice or screen display. Instead of storing the communication mode information in the condition-information type correspondence data file, the identification code included in the information signal from the information providing station may be detected by the identification code detection means and switched. In addition, information from the information providing station is received, for example, in the voice mode at the beginning, and is received in the data mode as required by the driver or as required, or as shown in FIG. In the state where the map or the like is displayed on the display device 5, the explanation of the map or the like can be received by the voice code. Further, the information from the information providing station displays, for example, an inquiry as to whether or not the route change information is required following the reception of the traffic congestion information, and requests the information providing station for the route change information by the driver's selection. Alternatively, a plurality of pieces of information may be requested in several stages. The data file device 4 may be provided with personal information data and purpose-specific data, and may store data of information used in the past by driver or the like, and reduce re-input of information by reusing the data.

Further, without providing an inquiry means,
When the traveling environment of the vehicle satisfies the transmission conditions, the transmission means may connect the wireless line immediately. The vehicle position data and the information type data may not be transmitted when the wireless line is connected, and the driver may transmit the voice or data to the information providing station after the wireless line is connected. The communication unit 16 includes only one of the voice communication unit 16a and the data communication unit 16b, and can receive information by communication in only one of the voice mode and the data mode. Communication mode switching unit 16d of the communication unit 16
May manually switch between the voice mode and the data mode. The transmission condition may be other than the time, the vehicle position, the vehicle state, and the traveling route.
Immediately after the route search, the information may be used as data for determining a route. The correspondence between the transmission condition, the type of information, and the communication mode does not necessarily have to be as described in the above embodiment. As shown in FIG. 6, information from the information providing station is often obtained in both the data mode and the communication mode. In the voice mode, it is possible to flexibly provide detailed and specific information corresponding to a driver's request.

[0039]

As described above, according to the present invention,
When the conditions for receiving information are satisfied, the transmission device connects and holds the wireless line to the information providing station, so that the information can be received from the information providing station reliably, in a timely manner, and without any hassle. Can be.

[Brief description of the drawings]

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

FIG. 2 is a block diagram illustrating a detailed configuration of a communication unit of the communication device of the vehicle in FIG. 1;

FIG. 3 is an explanatory diagram showing condition-information type data stored in a condition-information type data file of the vehicle communication device of FIG. 1;

FIG. 4 shows an example of a correspondence relationship between transmission conditions, information types, and communication modes stored in a condition-information type correspondence data file of the vehicle communication device of FIG. 1;

FIG. 5 shows an example of a mode of receiving information by the communication device of the vehicle in FIG. 1;

FIG. 6 is a table showing an example of transmission conditions in the voice mode and the data mode and types of information corresponding to the transmission conditions.

[Explanation of symbols]

 Reference Signs List 1 navigation processing unit 2 input device 3 current position detection device 4 data file device 5 display device 6 mobile phone 10 CPU (judgment unit) 12 ROM 13 RAM (condition storage unit) 15 audio processing unit 16 communication unit (transmission unit) 16a audio Communication unit 16b Data communication unit 16c Identification code detection unit 16d Communication mode switching unit 18 Timer

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hiroyuki Yamakawa 2--19-12 Sotokanda, Chiyoda-ku, Tokyo Inside Equos Research Co., Ltd. (72) Inventor Hiroaki Kondo 2-19, Sotokanda, Chiyoda-ku, Tokyo No. 12 Inside Equos Research Co., Ltd. (72) Inventor Kazutaka Yoshikawa 2-19-12 Sotokanda, Chiyoda-ku, Tokyo Inside Equos Research Co., Ltd.

Claims (5)

[Claims] 1. A condition storage means in which a predetermined traveling environment of a vehicle is stored as a transmission condition; an environment detection means for detecting a traveling environment of the vehicle; Determining means for determining whether or not a condition is satisfied; and determining, by the determining means, that the traveling environment satisfies the transmission condition, a wireless line with an information providing station for providing information related to traveling or the like. A communication device for a vehicle, comprising: transmission means for automatically connecting and holding. 2. The transmitting means displays an inquiry as to whether or not to connect a wireless line with the information providing station when the determining means determines that the traveling environment satisfies the transmitting condition. The vehicle communication according to claim 1, further comprising a display unit, and an answer input unit for answering the inquiry, wherein the wireless line is connected after an answer input indicating that the connection is made by the answer input unit. apparatus. 3. A transmission system comprising: a current position detection means for detecting a current position of a vehicle; and an information type storage means for storing a type of information requested from the information providing station in response to the transmission condition. The means transmits the current position detected by the current position detection means and the information type corresponding to the transmission condition stored in the information type storage means to the information providing station. The vehicle communication device according to claim 1 or 2. 4. The wireless line is settable in each of a voice mode and a data mode, and includes a mode changing means for switching between the voice mode and the data mode of the line according to the type of the information. 4. One of claims 1 to 3, characterized in that:
A communication device for a vehicle according to claim 1. 5. The traveling environment includes at least one of a time, a vehicle position, a vehicle state, and a traveling route, and the environment detecting means corresponds to at least one of the traveling environments corresponding to the traveling environment. The communication device for a vehicle according to any one of claims 1 to 4, wherein one of the communication devices is detected.