JPH08304095A - Vehicle-mounted navigation system - Google Patents

Abstract

PURPOSE: To obtain a vehicle-mounted navigation system which performs the traveling plan on a toll road finely. CONSTITUTION: The vehicle-mounted navigation system comprises a memory 9 for storing road map information, an input unit 8 for setting the goal of a vehicle, a CPU1 for searching the course between the start or a current position to the goal and operating an optimal course requiring shorter time, and a card reader 13 for reading out the traveling history data on toll road recorded on an IC card 12. The CPU1 operates a traveling plan on a toll read included in the optimal course based on the traveling history thus read out.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-vehicle navigation device of a route search system which searches a route from a starting point or a present point to a destination and calculates an optimal route which is short in time.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication No. 2-17406 and Japanese Unexamined Patent Publication No. 5-173479 disclose vehicle-mounted navigation devices of this type. However, in this conventional example, only the shortest route and the cost priority route selection can be selected based on the past travel history and the fuel consumption data. As a result, it has not been possible to present an optimal travel route or travel plan to the driver or passengers. In addition, JP-A-5-23390
No. 7 publication proposes a toll road toll collection system, but the in-vehicle automatic toll collection electronic device corresponding to this system is separate from the in-vehicle navigation device, and it is costly to install two types of in-vehicle electronic devices. In terms of space and space Moreover, when traveling on a toll road to guide a route with a navigation device, it was not possible to use the data regarding the charge payment of the electronic device for charge collection to the navigation device.

It is an object of the present invention to provide an in-vehicle navigation device which finely and carefully selects an optimum route by using a traveling history regarding traveling on a toll road.

[0004]

According to a first aspect of the present invention, a road map information storage means for storing road map information, a destination setting means for setting a destination of a vehicle, and a destination or a present location from the destination. It is applied to a vehicle-mounted navigation device equipped with a route search means for performing a route search up to and calculating an optimal route which is short in time. The purpose is to read the travel history information of the toll road recorded in the portable storage medium, to determine whether or not the toll road is included in the optimum route, and to determine by the determining means. When it is determined that the toll road is included in the optimum route, a toll road travel plan calculation means is provided for calculating a travel plan of the toll road included in the optimum route based on the read travel history information. It is achieved by
The voucher data is recorded on the portable storage medium of claim 2 so as to function as a prepaid card, and the traveling history information includes payment history of toll road tolls and voucher data. Then, based on the toll road toll payment history, a toll estimating means for estimating the toll of the toll road included in the optimum route, and the toll road toll estimated by the toll estimating means exceeds the cash voucher data. And warning means for warning. In the portable storage medium according to claim 3, credit data is recorded so as to function as a credit card in addition to the voucher data, and the payment history includes a history of payment of a toll road toll by a prepaid payment method and a credit payment. If the number of payments by the credit payment method is more than a predetermined value, including the history of payment by the method, even if the toll road toll road estimated by the fee estimation means exceeds the voucher data, warning by the warning means is prohibited. Equipped with warning prohibition means. The vehicle-mounted navigation device according to claim 4 includes: a predicted traffic section calculating unit that calculates a predicted traffic section that can be traveled based on the voucher data; a travel plan, the estimated traffic charge, and a display unit that displays a list of the predicted traffic sections. To have. Claim 5
The route searching means calculates a predetermined section passage time on the general road based on a traveling history specific to the vehicle, and calculates a predetermined section passage time on the toll road based on the traveling history of the driver. The route search means according to claim 6 calculates a frequency of traveling on a toll road based on an individual toll road travel history recorded in a portable storage medium, and when the toll road has a high traveling frequency. 2 route calculation means for performing two types of route search calculation, that is, route search calculation using a toll road and route search not using a toll road, display means for displaying the calculated 2 optimum routes, and 2 system The vehicle-mounted navigation device includes a route guiding unit that guides the route on one of the optimum routes selected by the selecting unit. The frequency calculation means according to claim 7 includes a sum total calculation means for calculating the sum of the differences between the current date and time and the travel date and time of the toll road included in the personal toll road travel history recorded in the portable storage medium. The two-route calculation means performs two types of route search calculations, that is, a route search calculation using a toll road and a route search not using a toll road when it is determined that the total sum is equal to or more than a predetermined value. . The display means of claim 8 is
The time required for the two optimal routes, the toll road tolls, and the loaded voucher data are displayed.

[0005]

[Action]

-Claim 1-When the toll road is included in the optimum route, the travel plan of the toll road is calculated based on the read travel history information. -Claim 2-The warning means warns when the toll of the toll road estimated by the fee estimation means exceeds the ticket data. -Claim 3-When the number of payments by the credit payment method is a predetermined value or more, even if the estimated toll on the toll road exceeds the ticket data, the warning by the warning means is prohibited. -Claim 4-A travel plan, an estimated toll charge, and a predicted toll section that can be traveled with the voucher data are displayed as a list on the display means. [Claim 5] The predetermined section passage time of the general road is calculated based on the traveling history peculiar to the vehicle, and the predetermined section passage time of the toll road is calculated based on the traveling history of the driver. -Claim 6- When the traveling frequency of the toll road is high, two types of route search operations, that is, a route search using the toll road and a route search not using the toll road are performed, and two optimal routes are displayed. If either one of the two optimal routes is selected, route guidance is performed using the selected one optimal route. -Claim 7-The toll road is frequently used when the sum of the differences between the current date and time and the date and time of the toll road included in the personal toll road travel history recorded in the portable storage medium is equal to or greater than a predetermined value. Then determine. -Claim 8-The required time for the optimum route of the two systems, the toll road toll, and the read voucher data are displayed.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an in-vehicle navigation device according to the present invention will be described with reference to FIGS. FIG. 2 shows an example of an automatic toll collection system installed at a toll gate on a toll road, which is an environment in which an in-vehicle navigation device is used. Sign A
Indicates the type of toll gate or check barrier, such as the fact that the gate is an automatic toll collection method. The antennas B1 and B2 are for communicating various kinds of information between the passing vehicle and a roadside processing device E described later, and are installed on the roof R of the tollgate. The vehicle separator / footboard C is used to determine the number of axles of a passing vehicle and to determine whether the vehicle is a towing vehicle. The camera D not only serves to determine the number of axles, but also records communication successful vehicles and unsuccessful vehicles. The roadside processing device E is connected to a center computer (not shown), executes various kinds of processing based on various kinds of information communicated, and stores various kinds of information communicated with the vehicle. The display unit F displays various information such as charge information, instructions from the roadside to the passing vehicle side, and road information as a result of communication between the vehicle and the roadside processing apparatus E.

First Embodiment FIG. 1 is a diagram showing an embodiment of a vehicle-mounted navigation device according to the present invention. 1 is CPU, 2 is ROM, 3 is RA
M, and the CPU 1 is connected to various devices via the interface 4. The GPS sensor 5 receives a signal from the orbiting satellite and outputs a position signal corresponding to the current position of the vehicle. The distance sensor 6 outputs a signal proportional to the amount of rotation of the tire, and the azimuth sensor 7 outputs an azimuth signal corresponding to the traveling azimuth of the vehicle. The input device 8 is for inputting a departure place, a destination, and the like, and is an operation member including, for example, a joystick. A command for route search processing, a command for route guidance, and the like are issued from the input device 8. The road map storage memory 9 is a CD-ROM read by a CD-ROM driver.
The image display unit 10, which is a memory for temporarily storing the map information stored in the above, comprises a liquid crystal display or the like, and displays a road map, a traveling locus, an optimum route, etc. under the control of the display control device 11.

Reference numeral 12 is an IC in which the history of driving on the toll road is recorded.
Card (portable storage medium), 13 is this IC card 12
Is a data reading device for reading the traveling history recorded in the IC card 12 by inserting the. FIG. 3 shows an example in which the data reading device 13 is configured as an in-vehicle communication unit 100. The in-vehicle communication unit 100 includes a reading unit (not shown) inside the main body, and a slot 101 into which the IC card 12 is inserted and a plurality of keys. The operation unit 102, the display unit 103 for displaying various information, and the communication antenna 104.
A speaker 105 and an indicator 106.

As the toll road travel history recorded in the IC card 12, there is the following information. (1) Name of the toll road that was run (2) Section of the toll road that was run (3) Date and time when the toll road was run (4) Toll charge paid by the prepaid payment method (5) Credit (postpaid) payment Tolls paid by the method (6) Name of service area used (7) Break time in service area used (8) Name of parking area used (9) Break time in used parking area (10) Entrance Name of the interchange that left (11) Name of the exit that left

The processing procedure of the first embodiment will be described with reference to FIGS. The first embodiment has the following functions. (1) Search for the optimal route that arrives at the destination in the shortest time from the departure point (current location). (2) If there is a toll road on the optimal route, the toll road travel history unique to the person who is currently driving the vehicle is read from the IC card 12, and the individual travel plan is set based on the travel history.

FIG. 3 shows a program which is started when the route searching function is instructed from the input device 8. In step S1, a display prompting the input of the destination is displayed on the display unit 102, and when the destination is input, the step S2 is performed. Search for the optimal route with the shortest required time from the current location to the destination. Here, the general road section transit required time A1 and the toll road section transit required time A2 when traveling at the legal speed for a plurality of routes from the current position to the destination are respectively calculated, and the route with the shortest total required time A is selected. To do. These required time A1,
A2 and the total required time A are temporarily stored in the RAM 3. The road type and legal speed can be read based on the road map data stored in the memory 9.

In step S3, it is determined whether the selected route includes a toll road section, and if affirmative, the process proceeds to step S4. In step S4, the IC card 12 is read by the reading device 13
To determine if it has been inserted. If the toll road section is not included, the process proceeds to step S13. Step S13
Then, the general road section required time A1 calculated for the general road in step S2 is read out from the RAM 3, and this A
1 is stored in the RAM 3 as the selected section passage required time A, and this processing program is ended. Even when the IC card 12 is not inserted, the process also proceeds to step S13, but in this case, the total value of the general road section transit time A1 calculated for the general road in step S2 and the toll road section transit time A2 calculated for the toll road. Is stored in the RAM 3 as the selected section passage required time A, and this processing program is ended.

IC card 1 including a toll road section
When 2 is inserted, the process proceeds to step S5 and the IC
The traveling history is read from the card 12. The travel history used here is (1) the name of the interchange (IC) that entered (2) the name of the parking area (PA) or service area (SA) that you used (3) the name of the interchange that you entered (4) you entered Passing time from interchange to parking area or service area (5) Break time at parking area or service area (6) Passing time from parking area or service area to next parking area or service area (7) Parking area or (8) The transit time from the service area to the exit that left the exit.

In step S6, it is determined whether or not the traveling history is read from the IC card 12, and if the result is negative, the process proceeds to step S13. In this case, the general road passage required time A1 and the toll road section required time A2 calculated in step S2
And the total value is read from the RAM 3 and stored again in the RAM 3 as the selected route required time A, and this route search processing program is terminated.

When the traveling history is read, the process proceeds to step S7, in which the latitude and longitude of the entrance interchange, the parking area or the service area, and the exit interchange are read from the map coordinate data of the road map memory 9, and the distance of each section is calculated. In step S8, (1) average traveling speed B (2) average continuous traveling distance C (3) is calculated based on the passage time of each section in the traveling history read in step S5 and the distance of each section calculated in step S7. Calculate the average break time D 1.

In step S9, a resting place on the toll road selected as the optimum route, that is, a parking area or a service area is selected based on the average continuous travel distance C. In step S10, the break time E in the parking area or the service area selected in step S9 is selected based on the average break time D. In step S11, the toll road section passage required time F is calculated based on the average traveling speed B and the average break time E, and in step S12, the general road section passage required time A1 and the toll road section passage required time F are added. The selected route passage time is calculated and the individual traveling plan is set, and the selected route transit time and the individual traveling plan are included in the optimum route selection result and temporarily stored in the RAM 3.

When the optimum route is selected as described above, the route selection program is erased from the main memory of the CPU 1 and the route guidance program is read into the main memory. In the route guidance program, various information for route guidance is imaged while sequentially comparing the current vehicle position calculated from the signals from the GPS sensor 5, the distance sensor 6, and the azimuth sensor 7 with the selected route stored in the RAM 3. It is displayed on the display unit 10 or guided by voice.

According to the first embodiment, the toll road travel plan for each individual can be set by using the toll road travel history of each driver or passenger, so that the driver can easily travel on a route. Is possible. If the toll road charge collection data is recorded in the IC card 12 together with the travel history, the on-vehicle navigation device capable of setting a travel plan for each individual person can also be used as the on-vehicle device for automatic charge collection, and the on-vehicle device with high cost performance can be provided.

-Second Embodiment- A second embodiment will be described with reference to FIGS. FIG. 6 is a block diagram of the second embodiment of the vehicle-mounted navigation device. The same parts as those in FIG. 1 are designated by the same reference numerals, and different points will be mainly described. Reference numeral 14 is a voice display unit, and 15 is an amplifier for amplifying a warning signal output from the CPU 1. Again 12
Is an IC card in which the toll road travel history is recorded as in the first embodiment, but also has a function as a prepaid card in the second embodiment. The prepaid card means that the IC card 12 has a function as a cash voucher, and each time the toll is paid, the current remaining amount (hereinafter, voucher data)
This is a payment method in which the amount of money deducted from is recorded in the IC card 12 as new cash voucher data, and is a so-called prepaid card payment method. Therefore, the voucher data is also recorded in the IC card 12. The other configuration is the same as that of the first embodiment except the processing program described below.

The processing procedure of the second embodiment will be described with reference to FIGS. The second embodiment generally has the following functions. (1) Search for the optimal route that arrives at the destination in the shortest time from the departure point (current location). (2) If there is a toll road on the optimal route, IC card 1
The travel history and the voucher data relating to the toll road toll are read from 2 and it is determined whether or not the current voucher data is sufficient when traveling on the toll road of the selected route, and when it is insufficient, a warning is issued.

7 and 8 show a toll estimation program for the selected optimum route. After executing the route selection program as shown in FIGS. 3 and 4, the charge estimation program stored in the ROM 2 is read by the CPU 1. Step S2
In 1, the selected toll road section is read from the route selection result stored in the RAM 3 and the charge payment history data is read from the IC card 12. In step S22, in order to determine whether the charge payment data of the same section as the selected toll road section is recorded in the IC card 12,
All fee payment history data read from the IC card 12 is searched. If there is charge payment data for the same section as the selected toll road section, the process proceeds to step S23, and the charge payment data for the same section as the selected toll road section is read and stored in the RAM 3 as a toll road estimated charge.

When it is determined that the estimated charge is larger than the cash voucher data recorded in the IC card 12 from step S23 to step S29, the voice display unit 14 or the image display unit 10 warns that the charge is insufficient in step S30. Then, the charge estimation program is terminated by notifying the shortage amount.

If the charge payment data for the same section as the selected toll road section is not recorded in the IC card 12,
In step S24, the fee payment history G of the toll road equivalent to the toll road included in the selected route is read from the fee payment data recorded in the IC card 12.
This history G is a charge from the entrance interchange to the exit interchange of the toll road. Here, the equivalent toll road is, for example, a toll road belonging to an equivalent road management corporation. Therefore, the travel history data includes the name of the public corporation that manages the toll road or information indicating the public corporation name.

In step S25, the distance H between the entrance and exit interchanges of the read travel history is calculated from the road map data. Next, in step S26, the distance data I of the selected section calculated by the route selection program is stored in the RAM.
3, the charge G between the entrance and exit interchanges, which is the charge payment history, is divided by the distance H to calculate the charge per unit distance in step S27. Further, in step S28, the estimated charge for the selected section is I × G / H.
And the process proceeds to step S29. Estimated charge is IC
If it is larger than the cash voucher data of the card 12, step S
At 30, a warning of insufficient charge is issued and the amount of insufficient money is notified. Then, the charge excess / deficiency information and the shortage amount are stored in the RAM 3, and the process ends.

According to the second embodiment as described above, the driver is inadvertently informed as to the extent of excess or deficiency between the voucher data of the pre-bayed card 12 and the toll before traveling on the toll road. It is possible to prevent unpaid payment at the automatic toll collection point due to a mistake.

-Third Embodiment- The processing procedure of the third embodiment will be described with reference to FIGS. In the third embodiment, the IC card 12 supports three types of payment methods, a prepaid payment method, a credit (postpaid) payment method, and a prepaid / credit (postpaid) mixed payment method with priority on prepaid.
In the prepaid payment method, the IC card 12 has a function as a cash voucher, and the cash voucher data subtracted from the cash voucher data each time the toll is paid is used as new cash voucher data.
This is a payment method recorded on the card 12, and is a payment method using a so-called prepaid card. The credit payment method is a payment method in which a toll is automatically deducted from a bank account designated at a later date, that is, a so-called credit card payment method. Prepaid with priority for prepaid /
The mixed credit payment method is a method of paying the toll by a prepaid method regardless of the amount of the voucher data, and paying the shortfall by the credit payment method when there is a shortage.
Credit data such as the identification number of the card holder is recorded on the IC card 12 of the credit payment system.

The third embodiment generally has the following functions. (1) Search for the optimal route that arrives at the destination in the shortest time from the departure point (current location). (2) If there is a toll road on the optimal route, IC card 1
From 2 read the travel history and voucher data regarding toll road tolls. (3) If there are many prepaid payment methods according to the fee payment history, the fee payment is fixed to the prepaid payment method. (4) If fixed to the prepaid payment method, it is determined whether or not there is excess or deficiency in the current voucher data when traveling on the toll road of the selected route, and a warning is issued when the deficiency is insufficient. Warnings are prohibited in credit payment methods.

9 and 10 show a toll payment method selection program. After executing the route selection program, the fee payment method selection program stored in the ROM 2 is read by the CPU 1 to start the selection of the fee payment method. Step S
At 41, all data of the fee payment history is read from the IC card 12. In step S42, the prepaid payment count J is calculated, and in step S43, the credit payment count K is calculated by subtracting the prepaid payment count J from the total payment data count. In step S44, it is determined whether the ratio J / K of the prepaid payment number J and the credit payment number K is less than or equal to a predetermined value (for example, 1/4), and if it is less than or equal to the predetermined value, in step S45 the prepaid priority prepaid / As a credit mixed payment method, the payment method is stored in the RAM 3. If it is not less than the predetermined value, only the prepaid payment is fixed in step S46, and the payment method is RA.
Store in M3.

When the payment method is selected in this way, the charge estimation program shown in FIGS. 7 and 8 can be modified as follows. Similar processing is performed from step S21 to step S28, and steps S29 and S30 in FIG. 8 are performed.
Is changed to steps S29A and S30A in FIG. In step S29 of FIG. 8, when the estimated charge is larger than the cash voucher data, a warning is given in step S30, and the insufficient amount is displayed by voice or image. In step S29A,
Only when the payment method is fixed to only the prepaid payment method in step S46 of FIG. 9, a warning and a shortage amount display are given in step S30 when the voucher data is insufficient. In step S30A, the prepaid payment method and the credit payment method are displayed, and a mark is displayed at the payment method switching point.

FIG. 11 shows a display example of the image display unit 10 in the third embodiment. (1) The toll road section of the selected optimum route is from Atsugi interchange to Kyoto interchange (2) Atsugi 2 hours from the interchange to the Hamamatsu parking area and 2 hours 30 minutes from the Hamamatsu parking area to the Kyoto interchange (3) 30 minutes rest in the Hamamatsu parking area (4) It shows that the toll of 5000 yen from Atsugi interchange to Sekigahara interchange is paid by the prepaid payment method, and the 3000 yen from Sekigahara interchange to Kyoto interchange is paid by the credit payment method. Double circles indicate points where the payment method is switched from the prepaid payment method to the credit payment method.

-Fourth Embodiment- A fourth embodiment will be described with reference to FIGS. 12
Is a block diagram of a fourth embodiment of the vehicle-mounted navigation device, and the same parts as those in FIG. Reference numeral 16 is a timer, which measures the current date and time. Reference numeral 17 denotes an attribute information memory, which stores data indicating a date and time when a predetermined road section has passed and required transit time. Specifically, it is stored as data in which a road section and a coefficient indicating a required transit time are associated with each other. A RAM can be used as the attribute information memory 7, and the attribute information memory 7 is sequentially updated with the latest data as the vehicle travels. The other configuration is the same as that of the first embodiment except the processing program described below.

The processing procedure of the fourth embodiment will be described with reference to FIGS. 13 and 14. The fourth embodiment has the following functions. (1) Search for the optimal route that arrives at the destination in the shortest time from the departure point (current location). (2) If there is a toll road on the optimal route, IC card 1
From 2 read the travel history regarding toll road tolls. (3) When the sum of the difference between the current date and time and the payment date and time of each toll payment history is less than or equal to a predetermined value, the toll road is prioritized for route selection. Select two routes that do not use roads. (4) At the time of selecting the route of the general road, attribute information such as a predetermined section of the traveling history and required transit time and date and time is used.

After execution of the route selection program, the selected route condition switching program shown in FIG.
It is read into PU1. In step S61, the timer 1
6, the current date and time is read, and in step S62, all the data of the fee payment history is read from the IC card 12. In step S63, the total sum L of the differences between the current date and time and each fee payment date and time data is calculated, and in step S64 it is determined whether the total sum L is a predetermined value or less. When it is determined that the total L is less than or equal to the predetermined value, the process proceeds to step S65, information indicating that the toll road is prioritized and the route search is stored in the RAM 3, and it is determined that the total L exceeds the predetermined value. Then, in step S66, the RAM 3 stores information indicating that a route search is to be performed so as to select two routes, a toll road priority route and a toll road that does not use the toll road.

FIG. 14 shows a route selection program according to the fourth embodiment. In step S81, a display prompting the user to input a destination is displayed on the display unit 10. When the destination is input, the route selection method determined in steps S65 and S66 is read from the RAM 3 in step S92. In step S82, regardless of the route selection method read from the RAM 3, the toll road is preferentially searched for an optimum route having the shortest required time from the current position to the destination by the same method as in step S2 (FIG. 4). Toll road section required time A2
Selects the shortest route. The required time A2 is temporarily stored in the RAM 3 as the route required time A.

In step S83, it is determined whether to prioritize the toll road in the route selection. If not, the running history of the general road is read from the attribute information memory 17 in step S91. For example, the required time of a predetermined traffic section, the traveling date and time, the day of the week, etc. are read. In step S84, the shortest time route selection for traveling to the destination using the general road that does not use the toll road is performed. That is, in the same manner as in step S2 (FIG. 4), the optimum route from the current position to the destination is searched for using the ordinary road only. The shortest time route is selected by using the traveling history read in step S91 and taking into account the traveling time zone and the required time to pass the section of the day of the week. As a result, the general road section transit time A1 is RA as the route time A.
It is stored in M3.

If the result at step S83 is affirmative, at step S85, the individual traveling plan is set by the same processing as steps S3 to S12, and then step S86.
In, the charge payment method is determined by the same processing as steps S41 to S46. In step S87, these individual travel plans and charge payment methods are shown in FIG.
The image is displayed on the image display unit 10 as in the display example. Then, in step S88, when the travel plan giving priority to the toll road and the travel plan only for the general road are displayed, the image display unit 10 or the voice display unit 14 prompts which route to select. After that, as shown in FIG.
Delete the program of 4 and ROM the route guidance program
The data is read from the CPU 2 into the CPU 1 and, as shown in step S89, a process of guiding the vehicle according to the set optimum route is executed.

According to the above fourth embodiment, it is determined whether the driver frequently uses the toll road, and if the driver frequently uses the toll road, the optimum route is preferentially used. It is possible to provide a driver with a route according to the situation by searching and otherwise searching for the optimum route only on the general road. Further, when searching for a route only for general roads, it is possible to select a more precise route because the time required for passing a section is taken into consideration for each passing time zone and day of the week from the traveling history.

In the above embodiment, the IC card 12 is the portable storage medium, and the CPU 1 is the route search means, the determination means, the charge estimation means, the warning prohibition means, the predicted section calculation means,
The image display unit 10 constitutes the display unit, and the voice display unit 14 and the image display unit 10 constitute the warning unit, respectively.

[0039]

【The invention's effect】

(1) According to the invention of claim 1, the toll road travel plan for each individual can be set by using the toll road travel history of each driver or fellow passenger, so that the driver can drive the route comfortably. Become. (2) According to the invention of claim 2, before the traveling on the toll road, it is informed with an alarm how much the excess or deficiency is between the cash voucher data of the portable storage medium as the pre-baid card and the estimated toll, so that the driving is performed. It is possible to prevent non-payment at the automatic toll collection point due to the careless mistake of the person. (3) According to the invention of claim 3, in the case of the credit payment method, the warning is prohibited even when the estimated toll fee is larger than the cash voucher data of the portable storage medium. A shortage warning can be issued, and the harmful effect of mischieving the charge shortage can be prevented. (4) According to the invention of claim 5, when searching for a route only for general roads, the time required for section passage is taken into consideration for each passage time zone and day of the week from the traveling history, so more precise route selection is possible. In the toll road driving plan, the driving history for each individual is read from the portable storage medium, so that the driving plan that suits the circumstances peculiar to the driver or passenger can be proposed. (5) According to the invention of claim 6, if the toll road is frequently used, the optimum route is searched so that the toll road is preferentially used, and if not, only the ordinary road is searched. By doing so, it is possible to provide the driver with a route according to the situation.

[Brief description of drawings]

FIG. 1 is a block diagram showing the overall configuration of a control circuit of a first embodiment of a vehicle-mounted navigation device of the present invention.

FIG. 2 is a diagram showing a configuration of an automatic toll collection place showing an environment in which the vehicle-mounted navigation device of the present invention is used.

FIG. 3 is a perspective view showing an example of a card reading device.

FIG. 4 is a flowchart showing a route selection program according to the first embodiment.

5 is a flowchart continued from FIG. 4;

FIG. 6 is a block diagram showing the overall configuration of a control circuit of a second embodiment of the vehicle-mounted navigation device of the present invention.

FIG. 7 is a flowchart showing a charge estimation program of the second embodiment.

FIG. 8 is a flowchart following FIG. 7;

FIG. 9 is a flowchart showing a charge payment method selection program of the third embodiment.

FIG. 10 is a flowchart showing a charge shortage warning process in the third embodiment.

FIG. 11 is a diagram showing a display example.

FIG. 12 is a block diagram showing the overall configuration of a control circuit of a fourth embodiment of the vehicle-mounted navigation device of the present invention.

FIG. 13 is a flowchart showing a route selection condition switching program of the fourth embodiment.

FIG. 14 is a flowchart showing a route selection program of the fourth embodiment.

[Explanation of symbols]

 1 CPU 2 ROM 3 RAM 5 GPS sensor 6 Distance sensor 7 Direction sensor 8 Input device 9 Road map information memory 10 Image display unit 12 IC card 13 Data reading device 14 Voice display unit 16 Timer 17 Attribute information memory

Claims (8)

[Claims] 1. A road map information storage means for storing road map information, a destination setting means for setting a destination of a vehicle, and a route search from a starting point or a current location to the destination, which is short in time. In a vehicle-mounted navigation device equipped with a route search means for calculating an optimal route, a reading means for reading traveling history information of a toll road recorded in a portable storage medium, and whether or not the optimal route includes a toll road. Determining means for determining whether the toll road is included in the optimum route based on the read travel history information when it is determined that the optimum route includes a toll road. An on-vehicle navigation device, comprising: a toll road travel plan calculation means for calculating a plan. 2. The in-vehicle navigation device according to claim 1, wherein the voucher data is recorded in the portable storage medium so as to function as a prepaid card, and the travel history information is payment history of toll road tolls and vouchers. A charge estimating means for estimating the toll of the toll road included in the optimum route based on the toll road toll payment history including data, and the toll charge of the toll road estimated by the toll estimate means is the cash voucher. An in-vehicle navigation device, comprising: a warning unit that warns when data is exceeded. 3. The in-vehicle navigation device according to claim 2, wherein credit data is recorded on the portable storage medium so as to function as a credit card, and the payment history is a toll road toll. Including a history of payments made by the prepaid payment method and a history of payments made by the credit payment method. When the number of payments made by the credit payment method is equal to or more than a predetermined value, the toll road traffic estimated by the toll estimation means is calculated. An in-vehicle navigation device comprising warning prohibiting means for prohibiting warning by the warning means even when a charge exceeds the cash voucher data. 4. The vehicle-mounted navigation device according to claim 2, wherein a predicted traveling section calculation unit that calculates a predicted traveling section that can be traveled with the voucher data, the travel plan, the estimated traveling charge, and the predicted traveling. A vehicle-mounted navigation device, comprising: a display unit that displays a list of sections. 5. The on-vehicle navigation device according to claim 1, wherein the route searching means calculates a predetermined section passage time of a general road based on a traveling history specific to a vehicle, and calculates a predetermined section passage time of a toll road. An in-vehicle navigation device, which is calculated based on a driving history of an individual driver. 6. The in-vehicle navigation device according to claim 1, wherein the route searching means calculates a frequency of traveling on a toll road based on an individual toll road traveling history recorded in the portable storage medium. Frequency calculation means, two-route calculation means for performing two types of route search calculation, route search using the toll road and route search not using the toll road when the toll road is frequently driven, and two calculated systems Of the optimum routes of the two systems, and a selection unit that selects one of the two optimum routes, and a route guidance unit that guides the route by one of the optimum routes selected by the selection unit. An in-vehicle navigation device characterized by: 7. The vehicle-mounted navigation device according to claim 6, wherein the frequency calculation unit drives the toll road included in the current date and time and the toll road travel history of the individual recorded in the portable storage medium. The above-mentioned two-route calculating means includes a sum total calculating means for calculating the total sum of the difference between date and time, and when the above-mentioned two-sum calculating means determines that the total sum is equal to or more than a predetermined value, the route search calculation using the toll road and the toll road are not used. An in-vehicle navigation device characterized by performing two types of route search calculations of route search. 8. The vehicle-mounted navigation device according to claim 7, wherein the display means displays the required time of the optimal routes of the two systems, toll road tolls, and the read voucher data. In-vehicle navigation device.