JPH07192046A - In-vehicle display device for toll expressway charge - Google Patents

Abstract

PURPOSE:To improve the in-vehicle display device of a toll expressway charge capable of effectively utilizing a voice recognition controller and a navigation device mounted on a vehicle. CONSTITUTION:In this in-vehicle display device of the toll expressway charge for displaying the charge between interchanges for which the vehicle travels a toll expressway inside the vehicle, a voice recognition device 20 recognizes the name of the toll expressway and the names of the interchanges of an entrance and an exit by voice, a toll expressway charge data storage part 13 stores charge data in the plural toll expressways and the display control part 14 of the toll expressway charge computes the charge for travelling based on the name of the toll expressway and the names of the interchanges of the entrance and the exit recognized by the voice recognition device 20 and displays it inside the vehicle by voice synthesis. Navigation device can be used instead of the voice recognition device 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toll freeway toll displayed when a vehicle traveling on a toll freeway approaches an exit and the road toll from the entrance to the exit is displayed on a device provided in the vehicle. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-vehicle display device for pay toll expressway tolls, which can effectively utilize a voice recognition control device and a navigation device mounted in the vehicle.

[0002]

2. Description of the Related Art Conventionally, as a technique in this field, Japanese Unexamined Patent Publication No. 62-62
Some are described in Japanese Patent No. 288993. The toll road in-vehicle display device described here transmits a toll express signal from a transmitter installed near the toll gate on the toll expressway, and the receiving device mounted on the vehicle receives the signal to identify the toll expressway. -Fares between exits are calculated. For this reason,
Since the tolls on the expressway are known in advance, there is no need to prepare for tolls at the interchange exit.

[0003]

However, in the conventional in-vehicle display device for a toll highway fare, the vehicle is usually provided with a receiving device, but a dedicated transmitting device must be provided near the toll gate. There's a problem. Therefore, in view of the above problems, it is an object of the present invention to provide an in-vehicle display device for a toll freeway charge that can display the toll freeway charge without providing a transmitter near the tollgate.

[0004]

In order to solve the above-mentioned problems, the present invention provides an in-vehicle display device for a toll expressway toll, which displays the toll between interchanges in which the vehicle travels on a toll highway, The voice recognition device recognizes the names of toll expressways and the names of interchanges at entrances and exits by voice, and the toll expressway charge data storage unit stores toll data for a plurality of toll expressways and displays toll expressway tolls. The control unit calculates the fare to travel based on the name of the toll expressway and the name of the interchange at the entrance and exit recognized by the voice recognition device, and displays the fare in the vehicle by voice synthesis.

Further, in the in-vehicle display device for a toll highway toll, the navigation device displays the current position of the vehicle on a road map, and the touch switch instructs the interchange of the entrance and the exit of the toll highway, so that the toll highway is displayed. The road charge data storage unit stores charge data for a plurality of toll expressways, and the toll expressway charge display control unit travels based on the names of interchanges of entrances and exits of the toll expressways instructed by the navigation device. The charge is calculated and this is displayed in the vehicle by voice synthesis.

Further, in the in-vehicle display device for a toll freeway charge, the navigation device displays the current position of the vehicle on the road map, and the toll freeway charge data storage unit stores toll data for a plurality of toll freeways. , The toll expressway toll display controller is such that the current position of the vehicle by the navigation device becomes the first interchange on the toll expressway and at the same time the speed becomes substantially zero, and then near the second interchange on the toll road. When the vehicle is decelerated to a large constant speed in front of, the toll between the first and second interchanges on the toll highway is calculated and displayed in the vehicle by voice synthesis. In this case, the first interchange is the entrance and the second interchange is the exit.

[0007]

According to the in-vehicle display device for a toll expressway of the present invention, the name of the toll expressway and the name of the interchange at the entrance and the exit are recognized by voice, and the toll data for a plurality of toll expressways are stored. Based on the recognized name of the toll expressway and the name of the interchange at the entrance and exit, the toll is calculated and displayed on the inside of the car by voice synthesis, so there is no need for a transmitter at the toll gate as in the past. By the time you arrive, you will be able to understand the charges and be prepared with plenty of time.

Further, by providing a navigation device instead of the voice recognition device, the same operational effect can be obtained. Also, the current position of the vehicle is displayed on the road map, toll data for a plurality of toll expressways is stored, and the current position of the vehicle becomes the first interchange on the toll expressway, and at the same time the speed becomes almost zero. , And then, when the vehicle decelerates to a substantially constant speed in the vicinity of the second interchange on the toll road, the toll between the first and second interchanges on the toll expressway is calculated and displayed in the vehicle by voice synthesis. By doing so, the charges between the entrance and exit interchanges can be known and the preparation can be made with sufficient margin before automatically reaching the toll gate.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing an in-vehicle display device for a toll freeway charge according to a first embodiment of the present invention. There is a voice recognition control device 20 for controlling the operations of a vehicle mirror, seat, room lamp, radio, wiper, window and headlight by voice. Specifically, as shown in the figure, the voice recognition control device 20 includes a microphone 1 for converting a driver's instruction into an electric signal, an amplifier 2 for amplifying the electric signal,
A / D converter 2 (Analog to Digital Converte) for converting the analog signal thus amplified into a digital signal
r) and a voice recognition unit 4 for recognizing voice by comparing a digital voice signal with a standard pattern by DP (Dynamic Programming) matching or the like, a dictionary unit 5 for storing the standard pattern and supplying it to the voice recognition unit 4, and a voice. Based on the result recognized by the recognition unit 4, a control unit 6 for controlling the driving of the wiper, the mirror, etc., a voice synthesis unit 8 for synthesizing the contents recognized by the voice recognition unit 4 into a voice signal, and the voice synthesis. A D / A converter 9 (Digital to Analog Converter) for converting the digital signal synthesized in the section 8 into an analog signal, a power amplifier 10 for power-amplifying this analog signal, and a drive connected to the power amplifier 10 for driving. A speaker 11 that conveys the controlled contents to a person is provided. The dictionary unit 5 stores names of vehicle mirrors, seats, room lamps, radios, wipers, windows, headlights, etc., and standard operation patterns of voices such as "ON" and "OFF". ing. Further, the voice content recognized by the voice recognition unit 4 may be displayed on the LCD 12 (Liquid-Crystal Display) to notify the driver.

As shown in the figure, the in-vehicle display device for a toll freeway charge is provided with a toll freeway charge data storage unit 13 and a toll freeway charge display control unit 14 in the voice recognition control device 20. FIG. 2 is a diagram for explaining the storage contents of the toll freeway charge data storage unit 13 of FIG. The toll highway fare data storage unit 13 is composed of a non-volatile memory, and as shown in the figure, stores tolls for each interchange of a plurality of A, B, ..., Z highways. There is. For example, on the A expressway, the fare is A12 yen corresponding to interchanges A1, A2, A3, ...
A13 yen, A23 yen ..., B expressway corresponding to interchanges B1, B2, B3, ... Toll B12 yen, B13
It stores a circle, a B23 circle, and so on. (Charge between two interchanges) The name of the plurality of A, B, ... The voice standard pattern of the interchange name is additionally stored. Note that the data storage unit 13 may be realized by an IC card or the like, and in this case, it is possible to respond to the revision of charges.

Next, the operation of the display device for the toll expressway in-vehicle will be described. FIG. 3 is a flow chart for explaining the operation of the voice recognition unit 4 of FIG. As shown in FIG. 1, when there is a message from the driver, “Tell me about the fare from XX highway (road), ΔΔ to XX”, the voice recognition unit 4 via the microphone 1 etc. In step S1, it is determined whether or not "OO highway (road)" in the message can be recognized by voice.

In step S2, if the above determination is affirmative, it is determined whether the interchange "ΔΔ (from)" in the message can be recognized by voice. In step S3, if the above determination is affirmative, it is determined whether or not the interchange "xx (up to)" in the message can be recognized by voice. If the above determination is positive in step S4,
The results of voice recognition of “XX highway (road)”, interchange “ΔΔ (from)”, and “xx (up to)” in the message are stored.

If the determinations in steps S1, 2, 3 are negative, the process returns to the entrance of step S1. FIG. 4 is a flow chart for explaining the operation of the toll expressway charge display control unit 14 of FIG. As shown in the figure, in step S10, it is determined whether the stored voice recognition result for "XX highway (road)" is "A highway (road)".

In step S11, if the above determination is positive, the interchange "ΔΔ" is recognized as an entrance interchange. In step S12, the interchange "XX" is recognized as the exit interchange, as described above. In step S13, the toll expressway charges from the interchanges “ΔΔ” to “XX” at the “XX highway (road)” are calculated.

In step S20, step S10
If the result of the determination is negative, it is determined whether the stored voice recognition result for "XX highway (road)" is "B highway (road)". In steps S21, 22, and 23, the same procedure as steps S11, 12, and 13 is repeated. In step S50, when the toll expressway toll is obtained as described above, the voice is synthesized by the voice synthesizer 8 of FIG. 1 to inform the driver of the toll, and the message "" ○○ Highway (road), △△ to XX
The charge up to is 800 yen. Is output. In this way, the display device for the toll expressway fare tells the driver the fare for the section designated by voice. Therefore, even if the toll booth does not have a dedicated transmitter as in the conventional case, the charge is known by the time the user arrives at the toll booth, so that it is possible to prepare with a margin and smoothly pay the toll.

Note that this message may be displayed on the LCD 12. This is useful if you are distracted by something else and you miss it. FIG. 5 is a diagram showing an in-vehicle display device for a toll expressway fare according to a second embodiment of the present invention. There is navigation that is installed in a vehicle to guide the road of the vehicle. The navigation 40 as shown in the figure is G
The location map 31 for determining the current position of the vehicle by inertial driving by inputting the azimuth signal, vehicle speed signal, etc. by PS (Global Positioning System), etc., and the vehicle is also a road map showing the optimum route between the current position and the target position. It is provided with a route search unit 32 that is obtained based on the data, a CD 33 (Compact Disc) that supplies road map data to the route search unit 32, and a display unit (LCD) that displays the searched result on the road map. As shown in the figure, the in-vehicle display device for a toll freeway fare is provided with a toll freeway fare data storage unit 35 and a toll freeway fare display control unit 36 in the navigation 40. The toll freeway charge data storage unit 35 has the same configuration as the toll freeway charge data storage unit 13.
The display 34 is equipped with a touch switch so that the road data instructed by the touch switch can be input to the navigation.

FIG. 6 is a flow chart for explaining the first operation of the toll expressway charge display control unit 36 of FIG.
As shown in the figure, in step S51, the display control unit 36 of the toll expressway toll determines whether there is an input by the touch switch of the display 34. If the above determination is affirmative in step S52, it is determined whether or not the road between the two points on the road by the touch switch is a toll highway.

If the above determination is affirmative in step S53, it is determined whether or not the two points are at the interchange position. If the determination is positive in step S54, the name of the toll expressway and the name of the interchange are stored. If the determinations in steps S51, 52 and 53 are negative, the process returns to the entrance of step S51.

Next, the toll of the toll expressway is calculated according to the flowchart of FIG.
From the names of the interchanges at the entrances and exits, a message similar to the above is displayed via the voice synthesizer 8 in FIG. 1, the speaker 11 and the like "" ○○ Expressway (road), the charge from △△ to XX is 8
It is 00 yen. '' Is output by the time you arrive at the toll booth, as in the previous case, so you can prepare with plenty of time because you know the charge before you arrive at the toll booth, and you can smoothly pay the fee at the exit of the highway. .

FIG. 7 is a flow chart for explaining the second operation of the toll expressway charge display controller 36 of FIG. As shown in the figure, in step S61, the navigation 40 determines whether the current position of the vehicle is on the toll highway. If the above determination is affirmative in step S62, it is similarly determined whether or not the current vehicle position is near the interchange position.

If the above determination is affirmative in step S63, it is determined whether the vehicle speed is substantially zero. If the determination in step S64 is affirmative, it can be determined that the vehicle has entered a high-speed interchange. Therefore, the name of the highway and the name of the interchange are stored, and at the same time, it is determined whether the vehicle is traveling on the highway. Check the vehicle position and traveling direction. In this way, it is possible to prevent malfunction of detection of the interchange entrance. In addition, the above steps S61 to S
The order of 63 may be changed.

In step S65, it is next determined whether the position of the vehicle is at another interchange position. If the above determination is affirmative in step S66, it is determined whether the vehicle speed is large and the vehicle decelerates to a predetermined speed. If the above determination is affirmative in step S67, it can be determined that the vehicle has left the high-speed interchange, and the name of the interchange is stored. In this way, it is possible to prevent malfunction of detection of the exit of the interchange. In addition, the above step S
The order of 65 and S66 may be changed.

Next, the toll expressway toll is calculated according to the flowchart of FIG.
From the names of the interchanges at the entrances and exits, a message similar to the above is displayed via the voice synthesizer 8 in FIG. 1, the speaker 11 and the like "" ○○ Expressway (road), the charge from △△ to XX is 8
It is 00 yen. Is automatically output by the time you arrive at the toll booth, so you can pay the toll more accurately and smoothly at the exit of the highway.

Returning to FIG. 7, steps S61, 62, 63.
If the result of the determination is negative, return to the entrance of step S61,
If the determinations in steps S65 and 66 are negative, the process returns to the entrance to step S65.

[0025]

As described above, according to the present invention, the names of toll expressways and the names of interchanges at entrances and exits are recognized by voice or by a touch switch on the screen, and the names of the interchanges at a plurality of toll expressways are recognized. The fare data is stored, and the fare to drive is calculated based on the recognized name of the toll expressway and the name of the interchange at the entrance and exit, and this is displayed in the car by voice synthesis, etc. Even if you don't have a transmitter, you can understand the charges by the time you arrive at the toll booth and be prepared with some margin. In addition, the information on the interchanges on the toll expressways, where the speed of the vehicle slows down, makes it possible to know the toll automatically before reaching the toll gate.

[Brief description of drawings]

FIG. 1 is a diagram showing an in-vehicle display device for a toll expressway fare according to a first embodiment of the present invention.

FIG. 2 is a diagram for explaining the storage contents of a toll freeway charge data storage unit 13 of FIG.

3 is a flowchart illustrating an operation of a voice recognition unit 4 in FIG.

FIG. 4 is a flowchart illustrating the operation of the toll expressway charge display control unit 14 of FIG. 1;

FIG. 5 is a diagram showing an in-vehicle display device for a toll expressway fare according to a second embodiment of the present invention.

FIG. 6 is a flowchart illustrating a first operation of the toll expressway charge display control unit 36 in FIG. 5;

FIG. 7 is a flowchart illustrating a second operation of the toll expressway charge display control unit 36 in FIG. 5;

[Explanation of symbols]

 13, 35 ... Toll expressway charge data storage unit 14, 36 ... Toll expressway charge display control unit 20 ... Voice recognition device 40 ... Navigation device

Front page continued (72) Inventor Takayasu Kitamura 1-22 Goshodori, Hyogo-ku, Kobe, Hyogo Prefecture Inside Fujitsu Ten Limited

Claims (4)

[Claims] 1. A toll expressway in-vehicle display device for displaying a charge between interchanges in which a vehicle has traveled on a toll highway in a car, in response to a voice instruction, a toll highway name, an entrance and an exit interchange Recognition device (20) that recognizes the name of
And a toll freeway charge data storage unit (13) that stores toll data for a plurality of toll freeways, a name of the toll freeway recognized by the voice recognition device (20), and an entrance and exit interchange name An in-vehicle display device for a toll freeway fare, comprising: a toll freeway fare display control unit (14) that calculates a toll based on the above and displays it in the vehicle by voice synthesis. 2. An in-vehicle display device for a toll freeway fare, which displays the fare between interchanges where the vehicle has traveled on a toll highway, displays the current position of the vehicle on a road map, and uses a touch switch to pay the toll highway. A navigation device (40) that is instructed to interchange road entrances and exits, a toll highway charge data storage unit (13) that stores toll data for a plurality of toll highways, and an instruction to the navigation device (40) And a display control unit (14) for displaying a toll freeway charge for calculating the toll based on the names of interchanges at the entrances and exits of the toll expressway and displaying the toll in the vehicle by voice synthesis. In-vehicle display of toll expressway tolls. 3. A navigation device (40) for displaying the current position of a vehicle on a road map in an in-vehicle display device for a toll expressway fee, which displays the fee between interchanges when the vehicle travels on a toll highway. , A toll freeway charge data storage unit (13) that stores toll data for a plurality of toll freeways, and the current position of the vehicle by the navigation device (40) becomes the first interchange on the toll freeway, and at the same time Becomes substantially zero, and when the vehicle decelerates to a substantially constant speed in the vicinity of the second interchange on the toll road, the fare between the first and second interchanges on the toll expressway is calculated and calculated. An in-vehicle display device for a toll freeway charge, comprising: a display control unit (14) for displaying the toll freeway charge by voice synthesis. 4. The in-vehicle display device for a toll expressway toll according to claim 1, 2 or 3, wherein the computed toll is displayed on a screen instead of voice synthesis.