JP2003004464A - Information display method, information providing device and information display device used therefor, program for controlling the information providing device or information display device and storage medium storing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance convenience and entertainment properties of a user, when information is displayed on a display 33 at a user terminal 2 connected to an information center 1 via a network 10. SOLUTION: Emission information on a vehicle 3 is stored to be made to correspond to each point or each route of map information, emission information on a point of a route designated by the user terminal 2 is read out from the stored emission information, and the read-out emission information is displayed on the display 33 at the user terminal 2, in a state of being superposed on the map information.

Description

Detailed Description of the Invention

[0001]

The present invention relates to an information display method for displaying information on a display of an information display device, an information providing device and an information display device used in the method, and an information providing device or an information display device for controlling the information providing device. Program and
It belongs to the technical field of a storage medium storing the program.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Unexamined Patent Publication No. 11-1433.
As disclosed in Japanese Patent Laid-Open No. 58-58, it has a navigation device installed in a moving body, a travel data editing device provided outside the moving body, and an information storage means, and these devices are connected via a communication network. It is known that a travel support server (information center) for communication is provided, and information is stored in the information storage means of the travel support server so that information is shared between the two devices.

[0003]

By the way, an information center is installed as in the above-mentioned conventional example, and various information from this information center is connected to the information center via a network such as a navigation device. If it is displayed on the display of the user terminal, user convenience is improved. In this case, if the kind of information and the display method thereof are devised, it is possible to improve the convenience for the user and also improve the entertainment property.

The present invention has been made in view of the above points, and an object thereof is to display information on a display of an information display device such as a user terminal connected to an information center via a network. In this case, it is to improve the convenience and entertainment of the user.

[0005]

In order to achieve the above object, the invention of claim 1 is directed to an information display method for displaying information on a display of an information display device, and uses emission information of a vehicle as map information. And a reading step for reading the emission information of the point or route specified by the information display device from the emission information stored in the storing step. The emission information read in the step is displayed on the display of the information display device in a state of being superimposed on the map information.

As a result, the emission information of the point or route designated by the information display device is displayed on the display of the information display device in a state of being superimposed on the map information, so that it is easy to see and the user considers the environment. Information useful in determining the travel route can be obtained, and the convenience for the user can be improved. In addition, a user who is particularly interested in the environment can enjoy various analyzes related to emission information, and can improve entertainment. The storage step and the reading step may be performed by the information center or the information display device (user terminal) itself.

According to a second aspect of the invention, in the first aspect of the invention, an information acquisition step for obtaining information on emission substances emitted into the atmosphere from a substance other than the vehicle near the point or route designated by the information display device. In the display step, the emission information of the vehicle read in the reading step and the emission material information of the vehicle other than the vehicle obtained in the information obtaining step are displayed so as to be distinguishable from each other.

[0008] In this way, the emission material information emitted from other than the vehicle such as the factory is displayed in a manner distinguished from the emission information of the vehicle, so that the environmental condition in the vicinity of the designated point or route can be well understood.

According to a third aspect of the present invention, in the first aspect of the invention, in the storing step, the emission information is stored for the same vehicle or the same vehicle type, and in the reading step,
Emission information regarding the vehicle or vehicle type designated by the information display device is read.

By doing so, the emission information relating to the vehicle itself driven by the user or the same vehicle type as the vehicle can be displayed, and emission information suitable for the vehicle driven by the user can be obtained.

According to the invention of claim 4, in the invention of claim 1, the information display device is mounted on a vehicle,
In the display step, the comparison result of the emission information of the vehicle currently traveling and the emission information read in the reading step is displayed on the display of the information display device.

Thus, it is possible to easily determine whether the current emission state of the vehicle is good or bad for the environment, as compared with the past emission states of the vehicle and the emission states of other vehicles.

According to the invention of claim 5, in the invention of claim 1, the emission information read in the reading step is
A correction step for correcting according to a predetermined condition is provided, and in the display step, the emission information corrected in the correction step is displayed on the display of the information display device in a state of being superimposed on the map information.

By doing so, the emission information can be corrected according to the vehicle running conditions such as the presence or absence of traffic jam, the vehicle speed, the weather, the temperature, the operation of the air conditioner, etc., and more accurate emission information can be obtained. can get.

According to the invention of claim 6, in the invention of claim 1, in the storing step, the emission information is stored together with the time, and in the reading step, the emission information regarding the time designated by the information display device is read out.

As a result, even at the same point or route, the emission state may be different depending on the time of day due to the occurrence of traffic jam, etc. Therefore, more accurate emission information can be obtained according to the time of day.

According to the invention of claim 7, an information display method for displaying information on a display of an information display device is targeted.
A storage step of storing vehicle emission information in association with each point or route of map information, and a route setting step of setting a plurality of routes between the plurality of points from a plurality of points designated by the information display device. And for each route set in the route setting step, a read step of reading emission information of a point or a route in the route from the emission information stored in the storage step, and each route read in the read step A route selection step of selecting at least one of the plurality of routes based on emission information of points or routes within
The display step of displaying the route information selected in the route selection step on the display of the information display device.

According to the present invention, of a plurality of routes, for example, when traveling from a starting point to a destination, a route with a relatively small emission of NOX, CO, etc. can be selected and displayed, and the user can consider the environment. Information that is very useful in determining the driving route. Further, a user who is particularly interested in the environment can enjoy analyzing emission information. Therefore, the same effect as that of the first aspect of the invention can be obtained.

According to the invention of claim 8, in the invention of claim 7, in the storing step, the emission information is stored for each of the same vehicle or the same vehicle type, and in the reading step,
Emission information regarding the vehicle or vehicle type designated by the information display device is read. With this, similarly to the invention of claim 3, a route suitable for the vehicle driven by the user can be easily obtained.

According to a ninth aspect of the invention, in the seventh aspect of the invention, in the storing step, the emission information is stored together with the time, and in the reading step, the emission information regarding the time designated by the information display device is read out. As a result, as in the sixth aspect of the invention, a more accurate route can be selected and displayed according to the time.

[0021] The invention of claim 10 is an invention of an information providing apparatus, which is connected to a user terminal via a network and is configured to provide information to the user terminal.
This information providing device stores the emission information of the vehicle in association with each point or route of the map information,
From the stored emission information, the emission information of the point or route specified by the user terminal is read out, and the read out emission information is provided to the user terminal in a state of being superimposed on the map information. It is assumed that

According to the present invention, an information providing device is set forth in claim 1.
Since the storing step and the reading step in the invention of 1) are performed, the user terminal performs the displaying step as the information display device, so that the same effect as that of the invention of claim 1 is obtained.

According to an eleventh aspect of the present invention, the emission information of the vehicle is used as map information for an information providing apparatus connected to the user terminal via a network and configured to provide information to the user terminal. Corresponding to each point or route, and set a plurality of routes between the plurality of points from a plurality of points designated by the user terminal, and the stored emission for each set route. From the information, the emission information of the point or route in the route is read, and based on the read emission information of the point or route in each route, at least one is selected from the plurality of routes, It is assumed that the selected route information is configured to be provided to the user terminal. This makes it possible to obtain the same effect as that of the invention of claim 7.

According to a twelfth aspect of the present invention, which is mounted on a vehicle and connected to an information center via a network,
The present invention is an invention of an information display device configured to display information provided from the information center on a display, the information display device being obtained by detecting an emission state of the vehicle while the vehicle is running. The emission information is transmitted to the information center in association with the information of the position where the emission state is detected, and the emission information or the information including the emission information is received from the information center and displayed on the display. It is assumed to be configured in.

According to the present invention, the actual emission information when the vehicle is traveling is transmitted to the information center in association with the position information. Therefore, if the information center stores these emission information and position information, The information display method according to the invention of claim 1 or 7 can be realized. Therefore, the same effect as the invention of claim 1 or 7 can be obtained.

A thirteenth aspect of the present invention is an invention of a program for controlling an information providing apparatus, which is connected to a user terminal via a network and is configured to provide information to the user terminal, This program causes the information providing device to store the emission information of the vehicle in association with each point or route of the map information, and to specify from the stored emission information by the user terminal. It is assumed that the emission information of the specified point or route is read out, and the read out emission information is provided to the user terminal in a state of being superimposed on the map information. According to this invention, the same operational effect as the invention of claim 1 can be obtained.

According to a fourteenth aspect of the present invention, a program for controlling an information providing apparatus connected to a user terminal via a network and configured to provide information to the user terminal is targeted. The program sends vehicle emission information to the above information providing device,
The map information is stored in association with each point or route, and from a plurality of points designated by the user terminal,
A plurality of routes between the plurality of points are set, and for each of the set routes, the emission information of a point or a route in the route is read out from the stored emission information, and the reading is performed. It is assumed that at least one of the plurality of routes is selected based on the emission information of the point or the route in each of the selected routes, and the selected route information is provided to the user terminal. As a result, the same operational effect as the invention of claim 7 is obtained.

According to a fifteenth aspect of the present invention, there is provided an information display device which is mounted on a vehicle and which is connected to an information center via a network and which is configured to display information provided by the information center on a display. Targeting a program for controlling, this program causes the information display device to detect the emission state when the vehicle is running, and the emission information obtained by the detection, the emission state is detected. In addition to sending it to the above information center in correspondence with position information,
It is assumed that the emission information or information including the emission information is received from the information center and displayed on the display. By doing so, it is possible to obtain the same effect as that of the invention of claim 1 or 7.

According to a sixteenth aspect of the present invention, a storage medium storing a program for controlling an information providing apparatus which is connected to the user terminal via a network and is configured to provide information to the user terminal. Targeting at, the program causes the information providing device to store the emission information of the vehicle in association with each point or route of the map information and to store the user information from the stored emission information. It is assumed that the emission information of a point or route designated by the terminal is read out and provided to the user terminal in a state where the read out emission information is superimposed on the map information. According to this invention, the same operational effect as the invention of claim 1 can be obtained.

According to a seventeenth aspect of the present invention, a storage medium storing a program for controlling an information providing apparatus which is connected to the user terminal via a network and is configured to provide information to the user terminal. For the above, the program causes the information providing device to store the emission information of the vehicle in association with each point or route of the map information and to store the information from a plurality of points designated by the user terminal. By causing a plurality of routes between a plurality of points to be set, and for each of the set routes, the emission information of a point or a route within the route is read out from the stored emission information, and the read out. At least one of the plurality of routes is selected based on the emission information of the points or routes in each route, and the selected route information is displayed. It is assumed to be provided to the serial user terminal. As a result, the same operational effect as the invention of claim 7 is obtained.

According to the eighteenth aspect of the present invention, there is provided an information display device, which is mounted on a vehicle and is connected to an information center via a network, and is configured to display information provided by the information center on a display. Targeting a storage medium storing a program for controlling, the program causes the information display device to detect an emission state of the vehicle during traveling, and outputs emission information obtained by the detection to the emission information. It is assumed that the information is transmitted to the information center in association with the detected position information, and the emission information or information including the emission information is received from the information center and displayed on the display. By doing so, the same operational effect as the invention of claim 1 or 7 can be obtained.

[0032]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a connection configuration of an information center 1 and a user terminal 2 used in an information display method according to an embodiment of the present invention. The information center 1 and the user terminal 2 are connected via an Internet 10 (network). Accordingly, the information center 1 provides the user terminal 2 with the emission information or information (route information) in which the emission information is added, while the user terminal 2 receives the emission information and the like from the information center 1 and displays it on the display 33. (See FIG. 3). That is, the information center 1 constitutes an information providing device, and the user terminal 2 constitutes an information display device. Incidentally, FIG.
Among them, 11 is a server of a provider and the like, and 12 is an exchange of a telephone office.

The user terminal 2 is a navigation device 4 mounted on a vehicle 3 driven by the user, a mobile phone 5 carried by the user, a personal digital assistant 6 (PDA), a notebook personal computer 7, a home personal computer. The computer 8, etc., such as the navigation device 4, the mobile phone 5, the portable information terminal 6 and the notebook personal computer 7 communicate signals by radio with a telephone antenna 9 connected to the information center 1 via the Internet 10. It is designed to give and receive. The user terminal 2 will be described below as the navigation device 4 of the vehicle 3.

As shown in FIG. 2, the information center 1 has a CPU 21 for controlling various signals. The CPU 21 has a communication interface 22 for communicating with the user terminal 2 and a control. ROM 23 (storage medium) that stores programs, maps, etc., RAM 24 that temporarily stores various types of information, and user terminal 2
A signal is transmitted and received to and from the information database 25 that stores the emission information and the like transmitted from.

On the other hand, as shown in FIG. 3, the user terminal 2 is provided with a CPU 31 for controlling various signals. The CPU 31 receives a GPS signal transmitted from a GPS artificial satellite and receives the signal from the vehicle. The current location positioning sensor 32 for detecting the current location of No. 3, a display 33 for displaying various information, a speaker 34 for voice guidance of a traveling route, etc., and a user selects a menu or the like displayed on the display 33. And an input mechanism 35 for designating a point or the like where emission information is desired to be browsed, and a fuel injection device 36 for injecting fuel into the engine of the vehicle 3.
And a communication device 37 for transmitting and receiving signals to and from the communication interface 22 of the information center 1, a control program and a map (the map is basically distributed from the information center 1, but once distributed, is stored. The ROM 38 (storage medium) storing therein, etc., the RAM 39 for temporarily storing various information, the traveling distance detecting mechanism 40 for detecting the traveling distance of the vehicle 3, and the vehicle speed for detecting the vehicle speed of the vehicle 3. The sensor 41 and the emission state of the vehicle 3 (NOX, CO
And various emission detection sensors 42 for detecting HC emissions, and various emission prediction sensors 43 for predicting the emission state of the vehicle 3 (accelerator depression amount, engine speed, fuel in the fuel injection device 36). (Which detects the injection amount and the like) is connected so that signals can be exchanged.

The user terminal 2 detects the emission state of the vehicle 3 during traveling from the various emission detection sensors 42 and the various emission prediction sensors 43 every predetermined time or every predetermined distance traveled, and the emission obtained by this detection. Once the information is associated with the position (including the traveling direction) and the time of detection of the emission state, R
The emission information stored in the AM 24 is transmitted to the information center 1 by the operation of the user terminal 2 (operation of selecting “registration” on a registration screen (see FIG. 5) described later) (each vehicle). The identification ID of each vehicle type 3 and the vehicle type ID of each vehicle type are also transmitted at the same time). The stored emission information may be automatically transmitted to the information center 1 in a predetermined cycle (a time interval longer than a predetermined time when detecting the emission state).

The information center 1 stores the emission information transmitted from the user terminals 2 (a plurality) in the information database 25 in association with each point of the map information. Further, the emission information is stored together with the time, the identification ID and the vehicle type ID. In other words, the emission information is stored in the same vehicle (identification ID
Are the same) and the same vehicle type (the vehicle type ID is the same). In this embodiment, the information center 1 corrects the emission information according to the traveling conditions of the vehicle 3 (traffic information (whether traffic is present or not), weather, temperature, vehicle speed, and whether air conditioners are operating). It is designed to store the corrected emission information.

The user terminal 2 displays a menu screen as shown in FIG. 4 on its display 33 by a predetermined operation. When the user selects "emission information registration" on this menu screen, FIG.
The screen switches to the registration screen as shown in. In this screen for registration, you can enter the travel range and travel date and time by selecting "Import". By entering these, each point included in the travel range traveled at that travel date and time will be displayed at the bottom of the screen. The average NOX emission amount and the average CO emission amount (the average value of the NOX emission amount and the CO emission amount at all points within the above traveling range) are obtained and displayed from the emission state detected in (the average HC emission amount). May also be displayed), and traveling conditions such as the average vehicle speed and the number of stoppages within the traveling range are also displayed.

Then, when "Register" is selected on the registration screen, the emission information of each point is transmitted to the information center 1 and the screen as shown in FIG. Display is made. Information center 1 that received the emission information of each of the above points
Registers (stores) the emission information (corrected as described above) of each point in the information database 25, and the average NOX emission amount and average CO emission amount are registered in the information database 25 of the information center 1. The number of data regarding the same vehicle type is calculated, and the ranking information is returned to the user terminal 2 together with the correction information. The order information and the correction information are displayed at the lower end of the screen shown in FIG.

If "emission map browsing" is selected on the menu screen, the screen is switched to the condition setting screen as shown in FIG. On this screen, the point (center position and range) where the user wants to browse emission information, output type, time, vehicle type ID and identification ID can be specified (without specifying time, vehicle type ID and identification ID). Well, only one of them can be specified for the vehicle type ID and identification ID). In this illustrated example, a designated point (hereinafter, also referred to as a designated position) can be displayed at the display scale of the map currently displayed on the display 33 for navigation centering on the current location detected by the current location positioning sensor 32. It is a point included in the range. In this embodiment, a plurality of points are specified by specifying the range, but only one point may be specified. Further, the information center 1 may store the emission information in association with each route of the map information and specify the route that the user desires to browse the emission information.

The output types are NOX emission amount, C
At least one of the O emission amount and the HC emission amount can be designated, and the emission amount is the total value of all the vehicles registered in the information database 25 of the information center 1 or the average value per vehicle. Can be specified. In the example shown in FIG. 7, the NOX emission amount is designated to be output as an average value per vehicle.

When "Browse" is selected on the screen shown in FIG. 7, the emission information can be browsed. That is, by the selection operation, the information of the designated position and the like are transmitted to the information center 1 together with the emission map browsing request signal (even if "Browse" is not selected, the emission map browsing request signal or the like is transmitted at the set cycle. The information center 1 receives the emission map browsing request signal and the information database 2
When the emission information (time, vehicle type ID or identification ID) corresponding to the output type (NOX, CO or HC) at the designated position is also designated from the emission information stored in 5, the emission related to the designated item Information) is read out, and the read emission information (when there are a plurality of emission information at the same point, the average value or the total value is calculated according to the output type) is superimposed on the map and transmitted to the user terminal 2. It is like this. In this embodiment, the information center 1
Is adapted to correct the read emission information according to the latest traffic information, weather information and temperature information, and transmit the corrected emission information to the user terminal 2.

The user terminal 2 which has received the emission information displays the emission information on the display 33 in a state of being superimposed on the map information.
A display example of this emission information is shown in FIG. In this display example, the emission information (average value of NOX emissions per vehicle) at each point is distinguished by the traveling direction (vertical line), and the distance between adjacent points is relatively short and continuous. Is displayed in. Then, according to the value of the emission amount, "good (low emission amount)" (white part), "intermediate"
It is classified into 3 levels: (shaded area) and "bad (high emission)" (black area).
Indicates that the vehicle is traveling at a point indicating the "intermediate" emission amount (in FIG. 10, 51 is the current position mark of the vehicle 3).

When the emission amount is displayed as an average value per unit on the display 33 as described above,
The comparison result between the emission information of the vehicle 3 currently traveling and the emission information superimposed on the map information (that is, the emission information read out from the emission information stored in the information database 25) is also displayed. That is, by moving the black-painted inverted triangular superiority / inferiority instruction mark 52 to the “good” side or the “bad” side with respect to the reference position,
Shows the superiority or inferiority of the emission information (emission amount) currently running with respect to the emission information (emission amount) superimposed on the map information at the traveling point, and the movement amount from the reference position indicates the difference between the two emission amounts. . In this display example, since the superiority / inferiority instruction mark 52 is located on the “good” side, the emission amount currently running is smaller.

Although not shown in the figure, on the screen of the display 33 in which the emission information is displayed in a state of being superimposed on the map information, from the vehicles other than the vehicles such as factories located near the designated point. The emission substance information emitted into the atmosphere may be displayed so as to be distinguishable from the emission information. That is, such emission material information is obtained from a factory or the like that emits the emission material via the Internet 10 or the like, and is displayed in a superimposed manner on the map where the factory or the like is located.

When "emission information download" is selected on the menu screen, the screen is switched to the condition setting screen as shown in FIG. Similar to the screen of FIG. 7, this screen also allows the user to specify the point where the emission information is to be downloaded and the output type, and the time, vehicle type ID and identification ID (vehicle type ID) as required. And only one of them can be specified).

[Download] on the screen of FIG. 8 above.
When is selected, emission information is downloaded from the information center 1 to the user terminal 2. That is, by the selection operation, the information of the designated point (designated position) and the like are transmitted to the information center 1 together with the emission information download request signal. When the information center 1 receives the emission information download request signal, the information database 25 From the emission information stored in, the output type (NO
Emission information (time, X, CO or HC)
When the vehicle type ID or the identification ID is also designated, the emission information relating to the designated item is read out, and the read emission information (as in the case of the emission browsing operation) is read according to the latest traffic information, weather information, and temperature information. (Corrected) is transmitted (downloaded) to the user terminal 2. The user terminal 2 receiving this emission information sends the emission information to the R
It is designed to be stored in the OM 37.

When "route presentation" is selected on the menu screen, the screen is switched to the condition setting screen as shown in FIG. On this screen, it is possible to specify a plurality of points (here, a departure place and a destination) necessary for determining a travel route that the user wants to be presented, and if necessary, a departure time and a vehicle type ID. And an identification ID (only one of the vehicle type ID and the identification ID can be specified).

Then, "condition setting" is displayed on the screen of FIG.
When is selected, the screen is switched to the detailed condition setting screen as shown in FIG. On this screen, distance, time, cost, weighting ratio of emission (emission amount) (hereinafter, also referred to as route selection condition), and route presentation number can be specified. The route selection condition indicates which one of the travel distance, the travel time, the cost (economical efficiency including toll road charge), and the emission is emphasized and how much when the travel route is selected. So, the importance is placed in the order of mileage, cost, travel time and emission, the mileage is relatively short and the cost is not so much, but the travel time may be a little longer and the amount of emissions is quite large. It means good. In addition, in the above emission,
A weighting ratio of each emission amount of NOX, CO and HC can also be designated, and in the illustrated example, HC, CO and NOX.
Therefore, the NOx emission amount may be larger than the HC emission amount.

When "OK" is selected on the screen shown in FIG. 9, a travel route which meets the route selection condition of the user is presented. That is, the selection operation transmits the route presentation request signal together with the information about the designated departure point and destination, etc. to the information center 1. When the information center 1 receives the route presentation request signal, the information center 1 receives the designated departure route. From the destination and the destination, set a plurality of travel routes between the two points, and for each of the set travel routes,
From the emission information stored in the information database 25, the emission information of each point in the travel route (when the departure time, the vehicle type ID or the identification ID is also designated, the emission information regarding the designated item) is read out, and Based on the read emission information (corrected according to the latest traffic information, weather information, and temperature information) of the points in each traveling route and the route selection condition designated on the screen of FIG. From among the above, the same number (at least one) of traveling routes as the number of route presentations designated on the screen of FIG. 10 is selected, and the selected traveling route information is transmitted to the user terminal 2. The user terminal 2 that has received the travel route information displays the travel route information on the display 33 (highlighted by a color that is noticeable on the map, a bold line, etc.). In this embodiment, the information center 1 selects the same number of traveling routes as the number of route presentations from the plurality of traveling routes, but the selection may be made by the user terminal 2.

When "emission information processing" is selected on the menu screen, "emission map browsing" and "route presentation" can be selected, and the user terminal 2 can be selected according to the selected contents. The same information as the above is displayed on the display 33 of. However, in this case, assuming that “emission information download” is selected and the emission information is downloaded, the user terminal 2 itself replaces the information center 1,
The downloaded emission information is used to superimpose the emission information of the designated point on the map or to present the travel route that meets the designated route selection condition.

The CPU 21 of the information center 1 is the RO
The following processing operations are performed by the control program stored in M23. That is, as shown in FIG. 12, in the first step SA1, it is determined whether or not the user terminal 2 is in a connected state capable of transmitting and receiving emission information and the like. When the determination in step SA1 is NO, the process proceeds to step SA8, while when the determination is YES, the process proceeds to step SA2, in which the emission information, the position information, etc. transmitted from the user terminal 2 (as will be described later, the user terminal). Two
Received position information, time information, identification ID, vehicle type ID, emission information for each position, vehicle speed information, high load operation information (whether or not the air conditioner is operating), and temperature information to the information center 1). Or not.

If the determination in step SA2 is NO, the process proceeds to step SA5, while if the determination is YES, the process proceeds to step SA3 to receive the received position information, time information, vehicle speed information, high load operation information and temperature. Information database 2
Traffic information stored in 5 (congestion points and their congestion distances: including forecasts for each time zone and current actual ones, and updated as appropriate in consideration of the latest data) and weather information Correct the emission information of each position according to
Then, the process proceeds to step SA4.

The correction of the emission information according to the traffic information, the weather information and the temperature information in step SA3 is performed according to the latest traffic information, weather information and temperature information in each routine of steps SA5 to SA7 described later. It may be omitted because the emission information is corrected by the above. Further, if the user terminal 2 corrects the emission information according to the vehicle speed information and the high load operation information and transmits the corrected emission information to the information center 1, the vehicle speed information and the high speed information in step SA3 described above can be obtained. The correction of the emission information according to the load operation information can also be omitted.

In step SA4, the corrected emission information, traffic information, time information, identification ID and vehicle type ID are stored in the information database 25, and then the process proceeds to step SA5. In step SA4, when the number of storages reaches a predetermined number, the storage with the longest storage time is deleted, or the storage with the set time elapsed after storage is deleted.

At step SA5, the map browsing routine 1 (details will be described later) for superimposing the emission information of the point designated by the user terminal 2 on the map and transmitting it to the user terminal 2 is executed. Then, the emission information download routine 1 (details will be described later) for downloading the emission information of the point designated by the user terminal 2 to the user terminal 2 is executed. And
In the next step SA7, a route presenting routine 1 (details will be described later) for presenting a traveling route from the starting point and the destination designated by the user terminal 2 is executed, and thereafter, the process proceeds to step SA9.

At step SA8 which is proceeded to when the judgment at step SA1 is NO, the normal connection control with the user terminal 2 is executed, and then the routine proceeds to step SA9.

In step SA9, the normal information transmission / reception control (control of various information retrieval, mail transmission / reception, etc.) with the user terminal 2 is executed, and then the process proceeds to step SA10.

In step SA10, it is determined whether or not new traffic information has been obtained. When the determination in step SA10 is YES, the process proceeds to step SA11, where the traffic information is associated with time and position. And stores it in the information database 25 (at this time, the data before the set time is deleted), and then returns. On the other hand, when the determination in step SA10 is NO, the process directly returns.

On the other hand, the CPU 31 of the user terminal 2 is
The following processing operations are performed by the control program stored in the ROM 38. That is, as shown in FIG. 13, in the first step SB1, it is determined whether or not the information center 1 is in a connected state capable of transmitting and receiving emission information and the like. When the determination in step SB1 is NO,
While the process proceeds to step SB8, if the determination is YES, the process proceeds to step SB2, and it is determined whether or not there is an emission information registration operation (selection of “registration” on the registration screen in FIG. 5) (emission information). Is automatically transmitted to the information center 1 in a predetermined cycle, it is determined whether or not a predetermined cycle has passed since the previous transmission of emission information and the like).

When the determination in step SB2 is NO, the process proceeds to step SB4, while when the determination is YES, the process proceeds to step SB3, where position information, time information, identification ID, vehicle type ID, and emission for each position are emitted. The information, the vehicle speed information, the high load operation information, and the air temperature information (estimated from the intake air temperature etc.) are transmitted to the information center 1, and then the process proceeds to step SB4.

In step SB4, the map browsing routine 1 (corresponding to details will be described later) corresponding to the map browsing routine 1 performed by the CPU 21 of the information center 1 is executed, and in the next step SB5, the emission information downloading routine 1 is executed. The corresponding emission information download routine 2 (details will be described later) is executed. Then, in the next step SB6, a route presenting routine 2 (details will be described later) corresponding to the above route presenting routine 1 is executed, and in the next step SB7, the user terminal 2 itself replaces the information center 1 and performs each of the above processing operations. Perform an emission processing routine (details will be described later) that performs (map browsing routine 1 etc.),
After that, the process proceeds to step SB9.

In step SB8, which is proceeded to when the determination in step SB1 is NO, normal connection control with the information center 1 is executed, and then the process proceeds to step SB9.

In step SB9, the information center 1
A normal information transmission / reception control (control of various information retrieval, mail transmission / reception, etc.) is executed, and thereafter the process proceeds to step SB10.

In step SB10, it is determined whether a predetermined time has passed since the emission information was stored in the RAM 24 or a predetermined distance was traveled. When the determination in step SB10 is YES, step SB
In step 11, the position information, time information and emission information at that time are stored in the RAM 24, and then the process returns. On the other hand, when the determination in step SB10 is NO, the process directly returns.

In step SB11, when there is a predetermined operation of the user terminal 2, the emission information at the time or position designated by the selection operation is not stored, or even if stored, it is transmitted to the information center 1. To erase.
That is, for example, the emission information at the time of an abnormality such as when the vehicle is stopped for a long time or when the engine is running
Do not send it to the information center 1.

Next, the map browsing routine 1 of step SA5 in the processing operation of the CPU 21 of the information center 1
This will be specifically described with reference to FIG.

That is, in the first step SC1, it is determined whether or not the emission map browsing request signal from the user terminal 2 is received. When the determination in step SC1 is NO, the process is ended as it is, but the determination is Y.
If it is ES, the process proceeds to step SC2.

In step SC2, the target road for which emission information is to be displayed (the roads not displayed due to the size of the display scale are the targets) based on the relationship between the designated position and the display scale transmitted together with the emission map browsing request signal from the user terminal 2. Then, in step SC3, emission information (time, vehicle type ID or identification ID) corresponding to the output type (NOX, CO or HC) at each point in the target road obtained by the calculation is calculated. When it is received, the emission information regarding the received item is read out, and when multiple emission information is read out for each point (when there are multiple data at the same point), it is output according to the output type. The average value or total value is calculated. Then, in the next step SC4, the emission information (the average value or the total value when the average value or the total value is calculated) for each point is corrected according to the traffic information, the weather information, and the temperature information, and the next Step SC5
Then, the corrected emission information is transmitted to the user terminal 2 in a state of being superimposed on the map, and the processing ends. In addition, in step SC5, when the emission substance information emitted into the atmosphere from a vehicle other than a vehicle such as a factory located near the designated position is obtained, the emission substance information is also displayed on the map. It is transmitted to the user terminal 2 in the superposed state.

On the other hand, in the map browsing routine 2 of step SB4 in the processing operation of the CPU 31 of the user terminal 2, as shown in FIG. 15, at the first step SD1, the user's emission map browsing operation (" It is determined whether or not there is a "view" selection). If the determination in step SD1 is no, step SD
On the other hand, if the determination is YES, the process proceeds to step SD2 to set the emission map browsing request signal, the designated position, the display scale and the output type (including the time, the vehicle type ID or the vehicle ID when designated) to the information center. 1 and then proceeds to step SD3.

In step SD3, the information center 1
It is determined whether or not the emission information (map information) from is received, and when the determination in step SD3 is NO, the process is ended as it is, while when the determination is YES, the process proceeds to step SD4 and the received emission information is received. The information is displayed on the display 33 in a state of being superimposed on the map information, and if the vehicle 3 is currently traveling, the emission information of the vehicle currently traveling is superior or inferior to the emission information superimposed on the map information at the traveling point. Is also displayed (see FIG. 11), and then the process ends.

Next, the CPU 21 of the information center 1
The emission information download routine 1 of step SA6 in the processing operation of is specifically described with reference to FIG.

That is, in the first step SE1, it is determined whether or not the emission information download request signal from the user terminal 2 is received, and this step SE1
When the determination is NO, the process ends as it is,
When the determination is YES, the process proceeds to step SE2.

At the step SE2, the target road is calculated from the relationship between the designated position and the display scale transmitted from the user terminal 2, and at the next step SE3, the output at each point on the target road obtained by the calculation. Type (NOX,
When the emission information corresponding to CO or HC (when the time, the vehicle type ID or the identification ID is received, the emission information regarding the received item) is read out and a plurality of emission information is read out for each point, Calculates the average value or the total value according to the output type. Then, in the next step SE4, the emission information for each point according to the traffic information, the weather information, and the temperature information (when the average value or the total value is calculated, the average value or the total value and the pre-calculation Both) are corrected, and in the next step SE5, the corrected emission information and position information for each point are transmitted to the user terminal 2, and the process ends.

On the other hand, in the emission information download routine 2 of step SB5 in the processing operation of the CPU 31 of the user terminal 2, as shown in FIG. 17, in the first step SF1, the user's emission information download operation (in the screen of FIG. 8, It is determined whether or not “download” has been selected. When the determination in step SF1 is NO, the process proceeds to step SF3, while when the determination is YES, the process proceeds to step SF2, and the emission information download request signal,
The designated position, the display scale and the output type (when designated, the time, the vehicle type ID or the vehicle ID is included) are transmitted to the information center 1, and thereafter, the process proceeds to step SF3.

In step SF3, the information center 1
It is determined whether or not the emission information from R is received (downloaded). If this determination is NO, the process ends as it is, while if the determination is YES, the process proceeds to step SF4, and the received emission information is
OM37 (dedicated RO for storing emission information
(May be M) and ends.

Next, the CPU 21 of the information center 1
The route presentation routine 1 of step SA7 in the processing operation of is specifically described with reference to FIG.

That is, in the first step SG1, it is judged whether or not the route presentation request signal from the user terminal 2 is received. If the judgment in this step SG1 is NO, the process is ended as it is, but the judgment is YES. If there is, the process proceeds to step SG2.

In the above step SG2, from the departure point and the destination transmitted together with the route presentation request signal from the user terminal 2, a predetermined number of traveling routes between the two points (from the number designated as the route presentation number in FIG. Also a large number). The travel route thus set is estimated to have a relatively short travel distance and travel time.

Then, in the next step SG3, the required distance (traveling distance) of each traveling route is calculated, and the next step SG3
At 4, the travel time required for each travel route (travel time) is calculated based on the traffic information (the travel time and the traffic information at the travel time estimated from the departure place). At the next step SG5, Emission information of each point in the travel route (when the departure time is received, it is the emission information regarding the time estimated to travel at that point, and when the vehicle type ID or the identification ID is received, the emission information regarding the received item is displayed. When a plurality of emission information is read out for each point, the average value is calculated.

Then, in the next step SG6, the emission information (the average value when the average value is calculated) for each point is corrected according to the traffic information, the weather information and the temperature information, and the next step SG7 Then, based on the corrected emission information for each point, the average emission amount (average NOX emission amount, average CO emission amount, and average HC emission amount) of each traveling route is calculated.

In the next step SG8, the traveling distance,
Travel time, average emission amount, and user terminal 2
The total performance of each traveling route is calculated on the basis of the route selection condition transmitted together with the route presentation request signal. That is, the number of points is given for each travel route, the travel distance, the travel time, the cost, and the emission (the smaller the travel distance, the travel time, the cost, and the emission amount, the greater the number of points). The total number of points is calculated by multiplying each of the traveling routes, the traveling time, the cost, and the emission point by multiplying each of the traveling routes by the weighting ratio that is the route selection condition and multiplying the weighting ratio. Takes into account the weighted proportions of NOX, CO and HC emissions). The total number of points is the total performance, and the larger the total number, the more the user meets the route selection condition of the user.

In the next step SG9, a plurality of routes (the same number as the route presentation number designated by the user) are selected in order from the traveling route having the highest total performance (the total number of points is large) (the route presentation number is 1). In some cases, only one with the highest total performance is selected), and the selected travel route information is transmitted to the user terminal 2 together with the travel time, travel distance, emission information, etc. of the travel route. finish.

On the other hand, in the route presenting routine 2 at step SB6 in the processing operation of the CPU 31 of the user terminal 2, as shown in FIG. 19, at the first step SH1, the route presenting operation of the user (“decision on the screen of FIG. 9 is executed. “Selection” has been made. When the determination in step SH1 is NO, the process proceeds to step SH3, while when the determination is YES, the process proceeds to step SH2, and the route presentation request signal, the departure point, the destination, the route selection condition, etc. (when specified). Departure time, vehicle type ID
(Or including the vehicle ID) is transmitted to the information center 1, and then the process proceeds to step SH3.

In step SH3, the information center 1
It is determined whether or not various kinds of information (traveling route information, etc.) have been received from the vehicle. If the determination in step SH3 is NO, the process is terminated, while if the determination is YES, the process proceeds to step SH4 to receive the information. The various information (driving route information, etc.) that has been displayed is displayed on the display 33 and the processing ends.

In the emission information processing routine of step SB7 in the processing operation of the CPU 31 of the user terminal 2, as shown in FIG.
Then, it is determined whether or not there is a user's emission information processing operation (selection of “emission information processing” on the menu screen). When the determination in step SI1 is NO, the process is terminated as it is, while when the determination is YES, the process proceeds to step SI2, and the routine for performing the map browsing routine 1 and the map browsing routine 2 by itself is executed. Then, in the next step SI3, a routine for performing the route presenting routine 1 and the route presenting routine 2 by itself is executed and the process ends.

Next, the operation of the processing operation by the CPUs 21 and 31 of the information center 1 and the user terminal 2 will be described.

The user terminal 2 associates the emission information obtained by detecting the emission state with the information on the position (including the traveling direction) and the time at which the emission state is detected by the user's emission information registration operation. Send to Center 1.

Subsequently, the information center 1 associates the emission information transmitted from the plurality of user terminals 2 with each point of the map information and sets the time, the identification ID and the vehicle type I.
It is stored in the information database 25 in association with D.

When the user performs the emission browsing operation, the user terminal 2 transmits the information such as the designated position and the display scale together with the emission map browsing request signal to the information center 1. In response to this, the information center 1 selects the output type (NOX, CO) at the specified position from the emission information stored in the information database 25.
Or emission information (time, vehicle type ID) according to HC
Alternatively, when the identification ID is also specified, the emission information regarding the specified item is read out, and when the read out emission information (a plurality of emission information is read out at the same point, they are averaged according to the output type). (According to the traffic information, the weather information, and the temperature information) are corrected and then superimposed on the map and transmitted to the user terminal 2.

The user terminal 2 receiving the emission information displays the emission information on the display 33 in a state of being superimposed on the map information, and if the vehicle 3 is currently traveling, the emission information of the current traveling. The superiority or inferiority of the emission information superimposed on the map information at the travel point is also displayed.

Therefore, the user can go to the destination from the emission information superimposed on the map information through a point (travel route) where the emission amount of NOX or the like is relatively small, and in determining the travel route. The useful information is obtained and the emission information is displayed on the map information so that it is very easy to see. Further, if the user designates the same vehicle type (grade) as the vehicle 3 of the own vehicle as the vehicle type ID, it is possible to compare the emission amount of the own vehicle 3 currently running with the average emission amount of the same vehicle type. it can. Furthermore, if the user specifies the same identification ID as that of his / her own vehicle 3, it is possible to compare the emission amount of the own vehicle 3 during traveling with the emission amount during traveling in the past.

When the user performs the emission information download operation, the user terminal 2 transmits the information such as the designated position and the display scale together with the emission information download request signal to the information center 1. As a result, the information center 1 causes the output type (NO
X, CO or HC) is read out, and when a plurality of emission information is read out for each point, the average value or the total value is calculated according to the output type. After that, the emission information for each point (both the average value or total value and the value before calculation when the average value or total value is calculated) is corrected according to the traffic information, weather information, and temperature information. After the user terminal 2
Send to.

The user terminal 2 that has received the emission information stores the emission information in the ROM 37, and the download of the emission information is completed. If you download emission information like this,
A user who is particularly interested in the environment can freely process and enjoy the emission information.

Furthermore, when the user performs a route presentation operation,
The user terminal 2 transmits the departure point, the destination, the route selection condition, and the like to the information center 1 together with the route presentation request signal. As a result, the information center 1 sets a predetermined number of travel routes, reads out the emission information of the points in the travel route for each of the set travel routes, and reads a plurality of emission information for each point. When issued, the average value is calculated. Then, according to the latest traffic information, weather information, and temperature information, the emission information for each point (the average value when the average value is calculated) is corrected, and based on the corrected emission information for each point. , The average emission amount of each of the traveling routes is calculated. After that, the total performance of each travel route is calculated based on the travel distance, travel time, average emission amount, and route selection conditions, the travel route with the highest total performance is selected, and the selected travel route information is displayed. It is transmitted to the user terminal 2.

User terminal 2 that has received the travel route information
Displays the travel route information on the display 33.
As a result, the travel route that meets the route selection condition specified by the user is displayed, and information very useful for the user to determine the travel route is obtained.

Further, when the user performs the emission processing operation, it becomes possible to select “emission map browsing” and “route presentation”, and the user terminal 2 itself changes the information according to the selected contents. Instead of the center 1, the emission information downloaded to the user terminal 2 is used to superimpose the emission information of the designated point on the map, or to show the travel route that meets the designated route selection condition. Or

Therefore, in the above embodiment, the emission information is obtained in a state of being superimposed on the map, and
A travel route that meets the designated route selection conditions can be obtained, and the convenience for the user can be improved. In addition, a user who is particularly interested in the environment can enjoy various analyzes related to the emission information, and can improve entertainment.

In the above embodiment, the user terminal 2 is described as the navigation device 4 of the vehicle 3, but the mobile phone 5, the mobile information terminal 6, the notebook personal computer 7, the home personal computer 8 and the like. May be In this case, the emission state cannot be actually detected, but the emission information can be received and browsed from the information center 1, or the emission information can be downloaded and analyzed with respect to the emission information. Further, the emission information numerically input by the user may be transmitted to the information center 1 and stored therein.

Further, in the above embodiment, the information center 1 stores and reads out the emission information, but the user terminal 2 may perform it. In this case, the user terminal 2 that stores and reads emission information
May be different from the one that displays information (for example, the home personal computer 7 stores and reads emission information, and the navigation device 4 displays information). (Similar to the emission information processing operation in the above embodiment, one user terminal 2 independently performs a series of processing operations).

[0101]

As described above, according to the first invention,
The emission information of the vehicle is stored in association with each point or route of the map information, and the emission information of the point or route specified by the information display device is read out from the stored emission information and read out. Emission information is displayed on the display of the information display device while being superimposed on the map information. Further, in the second invention, the emission information of the vehicle is stored in association with each point or route of the map information and stored from a plurality of points designated by the information display device.
A plurality of routes between the plurality of points are set, and for each of the set routes, the emission information of the point or the route in the route is read out from the stored emission information, and the point in each read route is read. Alternatively, at least one of the plurality of routes is selected based on the emission information of the route, and the selected route information is displayed on the display of the information display device. Therefore, according to these inventions, it is possible to improve the convenience of the user by providing useful information to the user, and a user who is particularly interested in the environment can enjoy various analyzes regarding emission information. Can
It is also possible to improve entertainment.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing a connection configuration of an information center and a user terminal used in an information display method according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of an information center.

FIG. 3 is a block diagram showing a configuration of a user terminal.

FIG. 4 is a diagram showing a menu screen displayed on a display of a user terminal.

FIG. 5 is a diagram showing a registration screen displayed on the display when “emission information registration” is selected on the menu screen.

6 is a diagram showing a screen displayed on a display when "registration" is selected on the screen of FIG.

FIG. 7 is a view showing a condition setting screen displayed on the display when “emission map browsing” is selected on the menu screen.

FIG. 8 is a diagram showing a condition setting screen displayed on the display when “emission information download” is selected on the menu screen.

FIG. 9 is a view showing a condition setting screen displayed on the display when “route presentation” is selected on the menu screen.

FIG. 10 is a diagram showing a detailed condition setting screen displayed on the display when “condition setting” is selected on the screen of FIG. 9;

FIG. 11 is a diagram showing a display example of emission information.

FIG. 12 is a flowchart showing the processing operation of a main routine performed by the CPU of the information center.

FIG. 13 is a flowchart showing a processing operation of a main routine performed by the CPU of the user terminal.

FIG. 14 is a flowchart showing a processing operation of a map browsing routine 1 (subroutine).

FIG. 15 is a flowchart showing a processing operation of a map browsing routine 2 (subroutine).

FIG. 16: Emission Information Download Routine 1
It is a flowchart which shows the processing operation of (subroutine).

FIG. 17: Emission Information Download Routine 2
It is a flowchart which shows the processing operation of (subroutine).

FIG. 18 is a flowchart showing a processing operation of a route presenting routine 1 (subroutine).

FIG. 19 is a flowchart showing a processing operation of a route presenting routine 2 (subroutine).

FIG. 20 is a flowchart showing a processing operation of an emission information processing routine (subroutine).

[Explanation of symbols]

1 Information center (information provision device) 2 User terminal (information display device) 10 Internet (network) 23, 38 ROM (storage medium) 33 display

Claims (18)

[Claims] 1. A method of displaying information on a display of an information display device, comprising: a storage step of storing emission information of a vehicle in association with each point or route of map information; and the storage step. From the stored emission information, the reading step for reading the emission information of the point or route designated by the information display device, and the emission information read in the reading step in the state where the emission information is superimposed on the map information are displayed. And a display step of displaying on the display of the device. 2. The information display method according to claim 1, further comprising an information acquisition step of acquiring information on emission substances emitted into the atmosphere from objects other than vehicles near a point or route designated by the information display device. In the displaying step, the emission information of the vehicle read in the reading step and the emission material information of the vehicle other than the vehicle obtained in the information obtaining step are displayed so as to be distinguishable from each other. 3. The information display method according to claim 1, wherein in the storing step, emission information is stored for each of the same vehicle or the same vehicle type, and in the reading step, the emission information regarding the vehicle or the vehicle type designated by the information display device is stored. An information display method characterized by reading. 4. The information display method according to claim 1, wherein the information display device is mounted on a vehicle, and in the display step, the emission information of the vehicle currently traveling is displayed on the display of the information display device. And a result of comparison between the emission information read in the reading step and the emission information read in the reading step. 5. The information display method according to claim 1, further comprising a correction step for correcting the emission information read in the reading step according to a predetermined condition, and the emission information corrected in the correction step in the display step. An information display method characterized by displaying on a display of the information display device in a state of being superimposed on map information. 6. The information display method according to claim 1, wherein the storing step stores the emission information together with the time, and the reading step reads the emission information regarding the time designated by the information display device. Display method. 7. An information display method for displaying information on a display of an information display device, comprising a storage step of storing emission information of a vehicle in association with each point or route of map information, the information display device. The route setting step for setting a plurality of routes between the plurality of points from the plurality of points designated by the above, and for each route set in the route setting step, the route is selected from the emission information stored in the storage step. And a route selection step of selecting at least one of the plurality of routes based on the emission information of the points or routes in each route read in the readout step. And a display for displaying the route information selected in the route selection step on the display of the information display device. Information display method which comprises the steps. 8. The information display method according to claim 7, wherein in the storing step, the emission information is stored for each of the same vehicle or the same vehicle type, and in the reading step, the emission information regarding the vehicle or the vehicle type designated by the information display device is stored. An information display method characterized by reading. 9. The information display method according to claim 7, wherein the storing step stores the emission information together with the time, and the reading step reads the emission information relating to the time specified by the information display device. Display method. 10. An information providing device, which is connected to a user terminal via a network and is configured to provide information to the user terminal, wherein emission information of a vehicle is displayed at each point or route of map information. The emission information of the point or the route designated by the user terminal is read out from the stored emission information and stored in association with each other, and the read emission information is superposed on the map information. An information providing apparatus, which is configured to provide to a user terminal. 11. An information providing apparatus, which is connected to a user terminal via a network and is configured to provide information to the user terminal, wherein emission information of a vehicle is displayed at each point or route of map information. While correspondingly storing each, from a plurality of points designated by the user terminal, set a plurality of routes between the plurality of points, for each of the set routes, from the stored emission information, Emission information of a point or a route in the route is read, at least one of the plurality of routes is selected based on the read emission information of the point or the route in each route, and the selected route information is displayed. An information providing apparatus, which is configured to provide to the user terminal. 12. An information display device mounted on a vehicle and connected to an information center via a network, the information display device being configured to display information provided from the information center on a display. The emission information obtained by detecting the emission state during traveling is transmitted to the information center in association with the information of the position where the emission state is detected, and the emission information or the emission is transmitted from the information center. An information display device, characterized in that it is configured to receive information including information and display the information on the display. 13. A program for controlling an information providing device connected to a user terminal via a network and configured to provide information to the user terminal, the program comprising: Then, the emission information of the vehicle is stored in association with each point or route of the map information, and the emission information of the point or route specified by the user terminal is read out from the stored emission information. A program for providing the read emission information to the user terminal in a state of being superimposed on the map information. 14. A program for controlling an information providing device connected to a user terminal via a network and configured to provide information to the user terminal, the program comprising: Then, the emission information of the vehicle is stored in association with each point or route of the map information, and a plurality of routes between the plurality of points are set from the plurality of points designated by the user terminal, and the setting is performed. For each route that has been read, from the stored emission information, the emission information of the point or route in the route is read out, and based on the emission information of the point or route in each route that has been read out. A program for causing at least one of the plurality of routes to be selected and providing the selected route information to the user terminal. 15. A program for controlling an information display device mounted on a vehicle and connected to an information center via a network, the information display device being configured to display information provided from the information center on a display. In the information display device, the emission information obtained by detecting the emission state when the vehicle is traveling and the emission information obtained by the detection are associated with the information of the position where the emission state is detected. A program for transmitting the information to a center, receiving the emission information or information including the emission information from the information center, and displaying the received information on the display. 16. A storage medium storing a program for controlling an information providing device, which is connected to a user terminal via a network and is configured to provide information to the user terminal, The program stores the emission information of the vehicle in the information providing device in association with each point or route of the map information, and specifies from the stored emission information by the user terminal. A storage medium for causing the user terminal to read the emission information of a point or a route and to provide the read emission information in a state of being superimposed on the map information. 17. A storage medium storing a program for controlling an information providing device, which is connected to a user terminal via a network and is configured to provide information to the user terminal, The program causes the information providing device to store the emission information of the vehicle in association with each point or route of the map information and to store a plurality of points between the plurality of points from a plurality of points designated by the user terminal. Of each of the set routes, the emission information of a point or a route within the route is read out from the stored emission information for each of the set routes, At least one of the plurality of routes is selected based on the emission information of the point or route, and the selected route information is provided to the user terminal. Storage medium characterized by a shall. 18. A program for controlling an information display device mounted on a vehicle and connected to an information center via a network, the information display device being configured to display information provided from the information center on a display. Is a storage medium storing therein, the program causes the information display device to detect an emission state when the vehicle is running, and the emission information obtained by the detection is detected as the emission state. A storage medium, which is transmitted to the information center in association with position information, and receives the emission information or information including the emission information from the information center and displays the information on the display.