JPS61110190A - Moving position information display unit - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a device for displaying position information of a moving body.

(Blue bulletin of the invention) Conventionally, as a device for displaying position ζ information of a moving body, for example, Japanese Patent Application Laid-Open No. 47-1986, 6161 @ Publication, and Japanese Patent Application Laid-open No. 5
There are those shown in Publication No. 5-146006@ and Japanese Patent Application Laid-open No. 57-6313.

In these conventional devices, information such as the current position of the moving object and the travel trajectory is simultaneously displayed on a map set on an X-Y plotter or on a map displayed on a CRT display. There is.

However, when such a conventional device is mounted on a vehicle as it is, there are problems described below.

In other words, in the case of an X-Y plotter, 1! Lines are easily misaligned due to the ribs, and in the case of a CRT display, it occupies a large space due to its deep depth, and the screen width is also restricted, so there is a limit to the resolution.

In addition, in order to display land map information such as road networks on a CRT display, an enormous capacity of image memory is required compared to the case in which nautical charts are displayed.

(Objective of the Invention) The object of the invention is to provide easy-to-use storage without requiring a large storage space. An object of the present invention is to provide a mobile position information display device that has excellent 41 recognition and is inexpensive.

(Structure of the Invention) In order to achieve the above object, the present invention uses a transparent display board that is easily portable and does not require a large storage space as a location information display medium, and The paper map layered on the back side can be seen through.

(Description of Embodiments) Hereinafter, preferred embodiments of the apparatus according to the present invention will be described based on the drawings.

FIG. 1 shows a first embodiment of the present invention, and this device is mounted on a vehicle.

This so-called moving position information display IA is composed of a paper map containing the moving position of the moving body and a transparent display board 11 displaying the position information of the moving body.

In particular, the paper maps in this embodiment form each map 12a of the atlas 12. The paper material for each map 12a may be non-transparent high-quality paper similar to that used for ordinary publications;
Therefore, for example, a commercially available road atlas can be used as is, without necessarily producing a dedicated atlas.

A map number display column 14 is provided at the upper right corner or upper left corner of each map 12a, and a corresponding unique map number is printed in each display column. Based on this map number, each map 128 is searched as described later.

On the other hand, the transparent display board J in this embodiment and the configuration for displaying position information (the current position and travel trajectory of the vehicle) thereon are as follows.

That is, the display board 8 is a transparent flat plate made of, for example, a liquid crystal dot matrix 1 helix display element, and the display board 8 is sized so that it can be stored together with the atlas 12 in a vehicle door pocket, next to a center console, etc. has been done.

The area of the display board 8 surrounded by symbols a, b, c, and d in the figure is a position information display area 15, and as described later, the current position and traveling trajectory of the vehicle are displayed in this position information display area 15. It is possible to display.

Further, a map number display area 16 is provided at the upper right corner of the display board 8, and as described later, this map number display area 1
6 can display a map number specifying each map 128 in the atlas 12.

Accordingly, by superimposing the display board 8 on the designated map No. FR and looking through the map through the display board 8, vehicle use means displaying the vehicle's current position and travel trajectory on the map. You can check it.

Further, a connector 10 is provided at the upper left corner of the display panel 8, and a coil-shaped signal transmission 1 (hereinafter referred to as a coil cord) 6 is detachably connected to this connector 1o. The display panel 8 is controlled for display by the display calculation drive circuit 4 via the coil cord 6.

Furthermore, the following configuration is employed to display current position information on the display board 8.

First, the position sensor 2 detects the current position of the vehicle, e.g.
It detects longitude, specifically a hyperbolic radio navigation 1XlI device such as Loran C, a satellite navigation device, a ljl device that uses geomagnetism, or a 1% yaw rate sensor.7
! iM can be used.

Next, the display calculation drive circuit 4 uses the first position sensor 2 to determine the latitude,
Based on the current position given in light coordinates, the number of the map 12a that includes the corresponding position is searched and displayed in the map number display area 16 of the display board 8, and at the same time, the current position can be determined from the latitude and longitude coordinates of the corresponding map. The coordinates are converted to the unique location, and based on this, a specified point in the position information display area 15 of the display board 8 is driven, and the current position is displayed with O or a blinking O as shown at 17 in the figure. .

In addition, especially in this embodiment, a plurality of positions that have been passed during a certain period in the past are stored, and after coordinate transformation of these positions in the same way, each position is displayed on the position information display area 15 of the display board 8 as shown in the figure. Display in columns as shown in 18.

Note that the coordinate conversion process for converting the current position based on the degree and longitude coordinates determined by the position sensor 2 into the corresponding map coordinates is already known in the conventional device using the CRT display mentioned above, so it will not be described here. Not detailed.

According to the configuration of the above embodiment, as the vehicle moves, the position information display area 15 of the display board 8 displays the display point 1 indicating the current position.
7 appears corresponding to the unique coordinates of the corresponding map 12a,
At the same time, the map number display amount if! 12 maps applicable to 1G
The number a is displayed numerically, and each past passing position 18 is similarly displayed as a dot on the position information display area 15.

Therefore, the map 128 corresponding to the displayed map number is searched based on the number of map number display 1f114, and this 11
! 2 If the display board 8 is placed exactly on top of the transparent display board 8, the map 12a can be seen through the transparent display board 8. 5 Through the display board 8, the map displayed flatly on the back side is seen through, and based on the point display indicating the current position J5 and the σ passing position on the display board 8, the current position and the traveling trajectory are determined based on the map. fI! ! ! can do.

At this time, in addition to the fact that the display board 8 has an extremely small space compared to a CRT display, etc., and because it is adjacent to the liquid crystal display board, visibility is good and the display point is very small like the 017 display. No rattling.

In addition, unlike conventional devices using CRT displays, it does not occupy the instrument panel etc. all the time.
The size of the display board 12 can be made relatively large, and a map with large characters and symbols that is easy for children to use can be used to confirm the current position information in more detail.

Further, since the display panel 8 and the display stop drive circuit 4 are connected by a telescopic coil cord 6, the display panel 8 can be moved freely within the vehicle interior.

In addition, in this embodiment, a number of maps 1 are used as the map 112.
2a Since the map is kept in two-page spread format, the storage of the map,
In addition to being convenient to carry, it also eliminates the need for a huge amount of image memory, which is required in conventional systems that simultaneously display a current location and a map on a CRT display.

FIG. 2 shows a second embodiment of the invention.

It should be noted that in the following explanation, 4'3 and 4'3 are the same as in the first embodiment.
The same reference numerals are given to the grooved parts, and the explanation thereof will be omitted.

A feature of this embodiment is that display data such as a map number and current position information are transmitted to the display board 8 wirelessly.

Therefore, a display circuit 20 is installed after the position sensor 2.
1 display data transmission 1N22 and a transmission antenna 24 are provided.

Further, a receiving section 26 is provided at the upper left corner of the display board 8, and this receiving section 26 includes a display driving circuit.

It has a built-in battery, etc.

Further, a lead wire antenna 28 is installed in the receiving section 26, and display data such as a map number and current position information is received by using the lead wire antenna 28. Note that the antenna of the receiving section 26 is not limited to a lead wire, and may be a loop-shaped antenna arranged around the display panel 8.

According to the above embodiment, since the coil cord 6 is not required, the display board 8 can be carried more freely. Therefore, if the transmission frequency, transmission strength, etc. are appropriately set in accordance with R4 according to the radio regulations, The display board 8 can be taken out of the vehicle and the current position can be confirmed based on the information outside the vehicle, and there is no restriction on storage location.

FIG. 3 shows a wS3 embodiment of the device according to the invention.

The display board 8 of this embodiment is provided with a rigid back plate 25 (made of a resin material, for example), and is formed in a binder shape (or case shape). And location information display area 15
A map 23 having the same dimensions as the above is sandwiched between the display board 8 and the back board 25.

Therefore, according to this embodiment, it can be used with the paper map 23 sandwiched between the display board 8, so the map 23 and the position information display will not deviate from each other, and it can be carried with one hand, which is extremely convenient. It is.

FIG. 4 shows a fourth embodiment of the device according to the invention.

The paper map 27 of this embodiment is a large map divided into sections with the same dimensions as the position information display area 15 of the display board 8, and a map number is attached to the upper left corner of each section map.

Then, by aligning the display board 8 on the map number designated in the map number display area 16 and looking through the map 27, the current position and travel trajectory of the vehicle can be seen on this number map.

Therefore, according to the embodiment described above, it is possible to simultaneously perform T!1g not only on one map area including the vehicle's current position and travel (one trajectory), but also on a wide surrounding map area. It has advantages such as being able to know the road network in advance.

FIG. 5 shows a fifth embodiment of the present invention. In this embodiment, in addition to displaying the current position and travel trajectory of the vehicle, it also displays traffic jams on the road, the length of the traffic jam, and the degree of the traffic jam. It displays traffic information every second, such as traffic congestion and causes of traffic jams.

For this reason, upstream of the display 8iIr5 driving circuit 4, a traffic information receiving means 30, which is constituted of a well-known receiving circuit together with the position sensor 2, is provided.

In this embodiment, the traffic jam location display 32 is indicated by an x mark to distinguish it from the current position information display 17 and the travel trajectory display 18.

Therefore, according to this embodiment, traffic information is displayed in addition to the current position and travel trajectory, which is more convenient for vehicle operation.

(Effects of the Invention) As is clear from the above embodiments, according to the present invention, a transparent display board is used as a location information display medium, and the m-leaf map superimposed on the back side of the display board can be seen through the display board. As a result, it is possible to improve the accuracy of position W1 confirmation and reduce costs while making it possible to save space for this device.

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram of the configuration of a first embodiment of the apparatus according to the present invention, FIG. 2 is an explanatory diagram of the configuration of the second embodiment of the apparatus according to the invention, and FIG. FIG. 4 is an explanatory diagram of the configuration of a fourth embodiment of the apparatus according to the present invention, and FIG. 5 is an explanatory diagram of the configuration of the fifth embodiment of the apparatus according to the present invention. 2... Position sensor 4... Display calculation drive circuit 8... (Transparent) display board 12: I, 23.27... Map special 2'] Applicant: Nissan Motor Co., Ltd. No. 10, No. 2 4 5 reasons outside the diagram

Claims (1)

[Claims] (1) Consisting of a position sensor that detects the position of a moving object, a transparent display board that displays position information of the moving object, and a paper map that includes the moving position of the moving object, and the back side of the display board A mobile position information display device characterized in that a map is superimposed on the side and the map is viewed through a display board.