JPH01137400A - Electronic map device - Google Patents

Abstract

PURPOSE:To notify a charge before an arrival to a tollgate by displaying the charge information such as the charge to be paid for a toll road based on a map data to a displaying means. CONSTITUTION:The map data from a map data storing means 8 are supplied to a signal processing means 2, prescribed map picture data are prepared based on the instruction of a map data selecting means 7, displayed on a displaying means 14, and information concerning the charge such as the charge to be paid for the toll road is displayed on the displaying means 14 based on the map data. Thus, since the name of the tollgate to pay the charge, a distance, the charge, etc., are displayed on the displaying means at a position before the prescribed distance of the tollgate, the charge to be paid can be prepared before the arrival at the tollgate, and it takes no time for the paying.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electronic map device suitable for use in a navigator or the like that displays one's current location on a road map.

[Requirement of the invention]

The present invention relates to an electronic map device suitable for use in a navigator or the like that displays its current location on a road map, and which supplies map data from a map data storage means to a signal processing means.
In an electronic map device that creates predetermined map image data based on instructions from a map data selection means and displays it on a display means, toll information such as tolls to be paid on toll roads based on the map data is displayed on the display means. By displaying the information, it is possible to know the fare before arriving at the toll gate.

[Conventional technology]

Conventionally, a wheel navigator that displays the current position of a vehicle on an electronic map has been constructed as shown in FIG.

In FIG. 6, the signal processing means <2) is composed of a computer, and this computer has ROM, RAM, etc. (7)
The signal processing means (2) includes a storage means and a display means (14) such as a liquid crystal or CRT, and the signal processing means (2) includes a map data storage means (8) such as a CD ROM,
For example, an orientation sensor that detects the X and Y components of geomagnetism,
Direction detection means (using the output of this direction sensor to generate digital signals of X and Y components according to the direction of travel of the vehicle)
5) and a distance detecting means (6) such as a distance sensor that generates a predetermined pulse etc. for each unit traveling distance. The signal processing means (2) executes arithmetic processing based on instructions from the data selection means (7), and displays map information, current position, etc. of a specific area on the display means (14).

[Problem that the invention seeks to solve]

According to the above-mentioned electronic map device, the map is displayed on the display means (14), so you can see that there is a toll road, but you cannot find out the toll road fee until you go to the toll gate. Not only is it time-consuming to pay tolls, but you may also feel financially insecure because you don't know what the toll will be when exiting from a mid-way exit on an expressway. Furthermore, since the toll at the toll gate is paid at the entrance or exit of the toll road, the user must reach the toll gate and search for his/her wallet.

The present invention was made to solve the above problems.
The purpose is to provide an electronic map device that allows users to know the toll they will pay before reaching a predetermined toll gate.

[Means for solving problems]

The electronic map device of the present invention, for example, as shown in FIG.
2) to create predetermined map image data based on instructions from the map data selection means (7), and display the data on the display means (14).
), the display means (14) displays information regarding tolls such as tolls to be paid on toll roads based on map data.

[Effect]

According to the electronic map device of the present invention, the name of the toll plaza, distance, toll, etc. are displayed on the display means (14) at a predetermined distance from the toll plaza.
), so you can prepare the payment amount before arriving at the toll gate.

〔Example〕

Hereinafter, one embodiment of the present invention will be described in detail with reference to FIGS. 1 to 5. In Figure 1, the electronic map device (1) is the signal processing means (
2) Map data storage means (8) such as CD-ROM.

GPS (global positioning system)
stem) A direction detection means (5) such as a receiver, a distance detection means (6), a map data selection means (71,
It is composed of a display means (14) such as a CRT.

The signal processing means (2) has a computer configuration, and has a ROM
(10), arithmetic means (9) including RAM (11) and the like for calculating self-position, search means (12), and display control means (13). The calculation means (9) receives the direction detection signal (5a) from the direction detection means (5), the distance detection signal (6a) from the distance detection means (6), and the selection signal (7) from the map data selection means (7). 7a) is input. The direction detecting means (5) is shown as a GPS receiver that determines its own absolute position by receiving radio waves from an artificial satellite (3) with an antenna (4).
The relative self-position may be detected using a gyro or the like that detects axis components, etc. Although not shown, these direction detection signals are digitized via an analog-to-digital conversion circuit, and X, Y
A digital signal of the axial component is supplied to the calculation means (9). This direction detecting means (5) is provided, for example, below the display means (14) as shown in FIG.

The distance detection means (6) is, for example, a distance sensor attached to the vehicle, which generates a predetermined pulse every unit travel of the vehicle, and uses this as a distance detection signal (6a) to be sent to the calculation means (9).
supply to.

The map data selection means (7) includes various operation keys such as a numeric keypad, and is arranged below the display means (14) as shown in FIG. 2, for example, and includes an initial position setting key (7b).

Various selection signals (7a) including the name of the toll gate to be paid, distance, toll display key (7c), etc. are inputted into the calculation means (9).

The search means (12) in the signal processing means (2) is connected to the map data storage means (8) via a data bus and an address bus. Map data storage means (8) is CD-R
OM, DAT, IC card, etc. (For example, various maps are arranged and stored in a hierarchical manner in these map data storage means (8).Of course, toll road tolls and payment fees are stored in this map. Road information such as place names is stored.

A predetermined file number calculated by the calculation means (9) is displayed in the search means (12). Then, the retrieval means (12) retrieves the map with a predetermined file number from the map data storage means (8) and displays it on the display means (14) via the display control means (13). The display control means (13) is also supplied with data signals from the calculation means (9).
). The display means (14) is a CRT,
An LCD or the like can be used. The display means (14) and the map data storage means (8) are shown, for example, in FIG.
CD as a map data storage means (8).

The ROM is arranged below the display means.

The operation of the above configuration will be explained with reference to FIGS. 2 to 5. First, the operation when the electronic map device (1) is not receiving route guidance will be explained with reference to the flowchart of FIG. First, the explanation will proceed based on the map shown in FIG. Now, assuming that the vehicle (23a) is traveling on the general road (18), the direction detection signal (5a) from the direction detection means (5) and the distance from the distance detection means (6) shown in FIG. It detects its current position based on the detection signal (6a). (FIG. 3, first step 5TI), and in the next second step ST2, the current road map to be displayed on the display means (14) is retrieved from the map data storage means (8) shown in FIG. ), the calculation means (9) calculates the self-position, and the current self-position and a map (15) of its vicinity are displayed on the display means (14) as shown in FIG. In this case, the self-position marker (17) is lit on the map (15). In the next third step ST3, it is determined whether the vehicle (23a) is on a toll road (20) rather than a general road (18) based on the road information read by the map data storage means (8), and If it is not a road (20), the first to third steps ST1 to ST3 are repeated to determine whether it is a toll road, but if it is determined that it is a toll road (20), the toll road entrance (19) is determined as shown in the fourth step ST4. ) is detected. If you enter the toll road (20),
As shown in step STs, the toll road entrance name is stored in RAM (
11), and the name of the nearest payment toll plaza (21) and the payment toll plaza (2) as shown in the 6th step STs.
1) The distance and fare up to this point are searched from the map data storage means (8), and in the next seventh step STv, the map (15) of the display means (14) is retrieved via the search means (12) and the display control means (13). ), the toll information (22) such as the name of the toll gate, distance, and toll is displayed, for example, "Atami, 1Q km, 500 yen". The distance to the payment toll gate (21) is displayed as a constant distance L1 before the payment toll gate (21), for example 100.
After passing through the toll plaza (21), search for the next toll plaza again, and if there is another toll plaza, return to the first step S'h and enter the new toll plaza name. The distance, toll, and name of the toll gate to be paid are displayed on the display means (14).

Furthermore, if the vehicle (23a) is traveling on the general road (1B) without entering the toll road (20) at the fourth step ST4, the fifth step STs is skipped and the sixth step STe is executed.
→ 7th step STt → 1st step ST1 → 2nd step ST2 → 3rd step ST3 → 4th step ST4
The fee information (22) is displayed through the screen.

Next, a case where the electronic map device (1) is receiving route guidance will be described with reference to FIG. First, step 5
When a travel destination is set in the map data selection means (7) in TE1, the signal processing means (2) determines the route of the destination name from the map data in the map data storage means (8) (second Step 5TE2). Next third step 5
The TE3 searches the map data for the tollgate names and tolls of toll roads included in the determined route and displays them on the display means (14). Here, the vehicle transporter can know the toll of the destination name before departure, but the signal processing means (2) uses the searched toll gate names to select a certain route from each toll gate (21) shown in Figure 4. Find the X and Y coordinates 1ittt LL in front and store them in RAM (11). For example, the constant distance L1 is 500 m on a general road (18) and l on an expressway.
km, etc. (fourth step 5TE4). Toll information (22) such as the toll gate name and toll can be obtained by pressing the toll gate name, distance, and toll display key (7c) in the map data selection means (7) as shown in Figure 2. Display means (1
4) Can be called up at any time.

The vehicle (23a) starts traveling, and there is a vehicle (23a) between a certain distance before the payment toll gate (21) and the toll gate (23).
The signal processing means (2) determines whether there is a
If so, return to step 5 and step 7 5TEs, but if you are within a certain distance L1 from the toll plaza, the name of the toll plaza and the name of the toll plaza will be displayed on the display means (14) as shown in step 6 5TEs. Display the distance and fare and reach the end.

Here, as for the distance to the toll gate (21), if there is a new toll gate after passing through the toll gate, the new toll distance, new distance, and updated toll value may be displayed. That is,
When traveling from Tokyo to Yokohama on the Tomei Expressway, the toll and distance for each toll gate will be updated: Tokyo Interchange (IC) -> Kawasaki IC - Yokohama IC.

In the above-described embodiment, a case was explained in which there was a toll booth (21) near the entrance of the toll road (20), but as shown in FIG. 4, a vehicle (23b) traveling on the toll road (21) When paying the toll at the exit toll gate (21), the prescribed distance L2 of the toll gate (21) is made according to the flowchart in Fig. 5.
The distance and fare may be displayed on the display means (14) when the vehicle is within the range. Further, as shown in FIG. 2, the toll gate marker (16) can be made to blink. The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present invention.

〔Effect of the invention〕

Since the present invention is configured as described above, the amount to be paid that must be prepared before arriving at the toll gate is known, so there is no need to worry about making payments at the toll gate.

[Brief explanation of the drawing]

FIG. 1 is a system diagram showing an embodiment of the electronic map device of the present invention, FIG. 2 is a front view of the display arm used in the present invention, and FIG.
The figure is a diagram showing an example of a flowchart when the vehicle is not receiving route guidance, Figure 4 is a diagram showing an example of an explanatory map, and Figure 5 is a diagram showing an example of a flowchart when the vehicle is receiving route guidance. 6 is a system diagram of a conventional electronic map device. (1) is an electronic map device, (2) is a signal processing means, (5)
is direction detection means, (6) is distance detection means, (7) is map data selection means, (8) is map data storage means, (9)
is a calculation means, (12) is a search means, and (14) is a display means. Same Matsukuma Hidemori fist mtr made ↓ t set τir 11 people 701 + Yard child 1 Fig. 3 1 Puhi Meigetsu bow tt Basrekoite 1 Fig. 4 HFQF O L section L side Soba 1 barge Soup + - % 4 Busy Roo Ya Toide 1 Figure 5 Tax Source Figure B

Claims (1)

[Scope of Claims] An electronic map which supplies map data from a map data storage means to a signal processing means, creates predetermined map image data based on instructions from a map data selection means, and displays the data on a display means. An electronic map device characterized in that information regarding tolls such as tolls to be paid on toll roads is displayed on the display means based on the map data.