JPH08184453A - Auxiliary display device for vehicle-mounted path-guiding device - Google Patents

Abstract

PURPOSE: To obtain an auxiliary display in route guidance unit for car in which the road guide information can be confirmed surely without sacrifice of safety in driving. CONSTITUTION: An advancing direction indicator C comprises a left turn indication LED 1, a right turn indication LED 2, a straight advance indication LED 3, a 7 segment LED 4 indicating the number of intersections encountered before turning left or right, and an LED 5 indicating approach or arrival at a goal. The advancing direction indicator C is on the front of driver seat, e.g. on the dashboard, where the driver can view the indicator easily and the LEDs are flickered depending on the signal obtained by converting a road guide signal, outputted from a car navigator body, through a converter.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an auxiliary display device for an on-vehicle route guidance device which is suitable for addition to an on-vehicle route guidance device for supporting driving of an automobile.

[0002]

2. Description of the Related Art As is well known, when a destination is input in advance when driving an automobile, road guide information along the road to the destination is displayed on a map displayed on a monitor. There is a car navigation device that supports a driver's driving operation. Further, there is a car navigation device that not only simply displays road guidance information on a monitor but also informs the driver by voice.

[0003]

In recent years, such car navigation devices have been rapidly spread, but when displaying road guidance information on a monitor, the monitor is large (there is a size of several inches). The monitor cannot be installed at a position where the driver can easily see it. For example, the monitor is installed at a position below the dashboard where an audio device or the like is installed. In this case, the driver has to change the position of his head and check the road guidance information displayed on the monitor. As a result, there is a problem that the driver becomes inattentive to the front and safety during driving cannot be ensured.

Further, since the monitor of such a car navigation system adopts the liquid crystal display means, there is a problem that it is extremely difficult to visually recognize it under direct sunlight in the daytime. Furthermore, when notifying the road guide information by voice, it is easy to miss or make a mistake in listening to the road guide information during a conversation with a passenger or while using an audio device. In this case, it is necessary to reconfirm. There was a problem.

The present invention has been made in view of the above-mentioned problems, and provides an auxiliary display device for an on-vehicle route guide device capable of surely confirming road guidance information without impairing safety during driving. The purpose is to provide.

[0006]

According to another aspect of the present invention, there is provided an auxiliary display device for an on-vehicle route guidance device, which provides a road guide relating to a traveling position of an automobile on a map displayed on a monitor in correspondence with a traveling position of the automobile. An auxiliary display device for an in-vehicle route guidance device that is added to an in-vehicle route guidance device that displays information,
It is characterized in that it is provided in front of the driver's seat and displays the minimum necessary road guide information based on the road guide information output from the vehicle-mounted route guidance device.

According to a second aspect of the present invention, there is provided an auxiliary display device for an on-vehicle route guide device, wherein the indicator panel is located in front of a driver's seat, the surface of a dashboard, the surface of a steering wheel, and a windshield. It is characterized in that it is provided on either the surface of the above or the surface of the side mirror.

In the auxiliary display device for a vehicle-mounted route guiding apparatus according to claim 3, in the invention according to claim 1 or 2, the traveling direction information is displayed as a code for instructing at least a left turn, a right turn, and a forward movement. Is characterized by.

According to a fourth aspect of the present invention, there is provided an auxiliary display device for a vehicle-mounted route guidance device according to any one of the first to third aspects, wherein the traveling direction information includes a plurality of small light emitting diodes laid on one surface. It is characterized in that it is displayed by causing a specific small light emitting diode to emit light.

According to a fifth aspect of the present invention, there is provided an auxiliary display device for an in-vehicle route guide device, wherein the traveling direction information is displayed by a code-shaped light emitting diode or a lamp. It is characterized by that.

[0011]

According to the auxiliary display device of the in-vehicle route guiding apparatus according to claim 1, the auxiliary display device is provided in front of the driver's seat and is required based on the road guidance information output from the in-vehicle route guiding device. Since the minimum road guide information is displayed, the driver can reliably confirm the traveling direction information without moving the line of sight greatly.

According to another aspect of the present invention, there is provided an auxiliary display device for an in-vehicle route guidance device, which is provided in an indicator panel located in front of a driver's seat, on a dashboard surface, a steering wheel surface, a windshield surface or a side mirror. Since it is provided on any of the front surfaces, the driver can confirm the traveling direction information within the range of the visual field during driving.

According to the auxiliary display device of the vehicle-mounted route guide device of the third aspect, the traveling direction information indicates at least a left turn,
Since it is displayed as a code for instructing the right turn and the forward movement, there is very little information on the traveling direction to be confirmed, so that the visual confirmation is easy.

According to the auxiliary display device of the vehicle-mounted route guiding apparatus according to the fourth aspect, by causing a specific small light emitting diode among a plurality of small light emitting diodes laid on one surface to emit light, an arrow indicating a traveling direction is displayed. A large display can be displayed on the entire display surface.

According to the auxiliary display device of the on-vehicle route guiding apparatus of the fifth aspect, since the traveling direction information is displayed by the code-shaped light emitting diode or lamp, sufficient display brightness can be obtained.

[0016]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 is a block diagram showing the configuration of this car navigation device. In this figure, reference numeral A
Is a main body of the car navigation device. When the destination is input in advance, the road guidance information is sequentially displayed on the liquid crystal display device (not shown) while the vehicle is traveling, and the road guidance information is output to the converter B. The road guidance information displayed on the liquid crystal display device is displayed as a traveling direction along the road (direction in which the automobile should travel) on a map corresponding to the traveling position of the automobile. Further, since this liquid crystal display device has a size of several inches, it is mounted near the audio device under the dashboard.

The converter B converts the road guidance information input from the car navigation device body A into a signal corresponding to the display format of the traveling direction indicator C. FIG. 1 is a plan view showing the structure of a traveling direction indicator according to the present invention. In this figure, a traveling direction indicator C includes a left turn instruction LED (light emitting diode) 1 and a right turn instruction LED.
2, a straight-ahead instruction LED 3, a 7-segment LED 3 that indicates the number of intersections until a left turn or a right turn, and an arrival display LED 4 that indicates that a destination is approaching or arriving. That is, the converter B converts the road guidance information signal input from the car navigation device body A into L
The signal is converted into a signal for driving and displaying the ED and is output to the traveling direction indicator C.

The traveling direction indicator C is composed of several LEDs as described above, and is extremely small. Therefore, the traveling direction indicator C is the front of the driver's seat, for example, in the instrument panel, the surface of the dashboard, the surface of the steering wheel or the surface of the windshield without the driver moving the head position during driving,
It is installed in a position that can be confirmed within the range of the field of view. In addition, the traveling direction indicator C lights or blinks the above-mentioned LEDs according to the signal input from the converter B to instruct the driver of the traveling direction and the like.

Next, the display operation of the traveling direction indicator in the above-mentioned car navigation device will be specifically described. First, when instructing to make a left turn, for example, as shown in FIG. 3, the left turn instruction LED 1 and the 7-segment LED 3 indicating the number of intersections until the left turn are turned on. In the case of this figure, the 7-segment LED 3 displays 1,
It is instructed to turn left at the first intersection, that is, the next intersection. Next, FIG. 4 is a diagram showing a display example for instructing a right turn. In this figure, the right turn instruction LED 2 lights up and the 7-segment LED 3 displays 2.
That is, in this figure, it is instructed to turn right at the second intersection.

FIG. 5 is a diagram showing a display example for instructing to go straight. In this figure, only the straight-ahead instruction LED 3 lights up to instruct to go straight. Next, FIG. 6 is a diagram showing a display example when the vehicle arrives at or approaches the destination. In this case, first, when the vehicle approaches the destination within a certain distance, the arrival display LED 5 starts blinking. When the vehicle further arrives at the destination, the arrival display LED 5 is turned on.

The traveling direction indicator as described above has the following effects. (1) Since the display is made by using only 5 types of LEDs, the traveling direction indicator can be made extremely small, and therefore can be easily mounted on the front side of the driver's seat where it is easily visible. (2) By making the traveling direction indicator and the converter different, it is possible to further reduce the traveling direction indicator. (3) Since the display format such as arrows or numbers is easily visible, it is possible to accurately confirm the traveling direction and the like. (4) Since the road guidance by voice is not required, it is possible to operate the audio device at the same time and listen to music or the like. (5) Since information relating to the progress of the automobile is displayed by the LED, it is possible to display the information with sufficient brightness. Therefore, it is possible to easily and surely confirm the traveling direction even under direct sunlight in the daytime.

It goes without saying that the following modifications may be added to the above-described embodiment. (1) Each LED of left turn, right turn, and straight arrow shape is changed to another shape, for example, a round LED. (2) Two or three 7-segment LEDs are provided, and the distance to the left or right turn intersection is displayed as a two-digit or three-digit numerical value. (3) The 7-segment LED or arrival display LED is deleted so that the number of intersections is not displayed, thereby further reducing the size of the traveling direction indicator. (4) When approaching the destination, all LEDs for turning left, turning right, and going straight on blink, and when arriving at the destination, all these LEDs are turned on or a warning sound is emitted to indicate arrival. The LED is omitted and the traveling direction indicator is further miniaturized. (5) When a left turn or a right turn is instructed, the left turn instruction LED or the right turn instruction LED is turned on once, the LED is blinked when the intersection to turn is approached, and the blinking speed is increased as the intersection is approached. (6) An arrow indicating the traveling direction is displayed by causing a specific plurality of small light emitting diodes among the plurality of small light emitting diodes laid on one surface to emit light. By adopting such a display method, it is possible to display the large arrow on the entire display surface, and thus it becomes easier to visually recognize the traveling direction.

[0023]

As described above, according to the auxiliary display device of the in-vehicle route guiding apparatus of the present invention, the driver does not move his or her line of sight greatly, and therefore the safety during driving is not impaired. It is possible to surely confirm the traveling direction information. Further, since the traveling direction information is displayed with sufficient brightness, it is possible to surely confirm even under direct sunlight in the daytime.

[Brief description of drawings]

FIG. 1 is a plan view showing a configuration of a traveling direction indicator in an auxiliary display device of an in-vehicle route guidance device of the present invention.

FIG. 2 is a block diagram showing a schematic configuration of an auxiliary display device of an in-vehicle route guidance device of the present invention.

FIG. 3 is a diagram showing a display example when a left turn is made in the traveling direction indicator shown in FIG.

FIG. 4 is a diagram showing a display example when a right turn is made in the traveling direction indicator shown in FIG.

5 is a diagram showing a display example when the vehicle is traveling straight ahead in the traveling direction indicator shown in FIG.

FIG. 6 is a diagram showing a display example when the destination is approached and when the destination arrives in the traveling direction indicator shown in FIG. 1.

[Explanation of symbols]

 A Car navigation device body B Converter C Direction indicator (auxiliary display device) 1 Left turn instruction LED 2 Right turn instruction LED 3 Straight ahead instruction LED 4 7 segment LED 5 Arrival indicator LED

Claims (5)

[Claims] 1. An auxiliary device for a vehicle route guidance device that is added to a vehicle route guidance device that displays road guidance information relating to the progress of the vehicle on a map displayed on a monitor in correspondence with the traveling position of the vehicle. A display device, which is provided in front of a driver's seat and displays a minimum required road guide information based on the road guide information output from the on-vehicle guide device. Auxiliary display device. 2. An indicator located in front of the driver's seat
In the panel, the surface of the dashboard, the surface of the handle, the surface of the windshield or the surface of the side mirror,
The auxiliary display device for an in-vehicle route guide device according to claim 1, wherein the auxiliary display device is provided in any one of the above. 3. The traveling direction information is at least a left turn,
The auxiliary display device of the vehicle-mounted route guidance device according to claim 1, wherein the auxiliary display device is displayed as a code for instructing a right turn and a forward movement. 4. The traveling direction information is displayed by causing a specific small light emitting diode to emit light among a plurality of small light emitting diodes laid on one surface. An auxiliary display device for the on-vehicle route guidance device described. 5. The auxiliary display device for an on-vehicle route guide apparatus according to claim 1, wherein the traveling direction information is displayed by a code-shaped light emitting diode or a lamp.