JPS61181914A - Onboard navigator for vehicle - Google Patents

Abstract

PURPOSE:To allow an operator to judge the desired course easily, by turning a map displayed corresponding to changes in the ongoing direction of a car so that the ongoing direction on the map will always turn upward on the screen while the current position of the car is positioned at the center of the screen. CONSTITUTION:Based on output signals of a position detecting section 27 and a direction detecting section 28, the arrow P indicating the current position and the ongoing direction of a car and the running track T thereof are displayed. When the car turns at an intersection, the image shown on a display section 26 turned with a rotation control section 29 according to the output signal of the direction detecting section 28. Here, a changing operation is done to ensure that the ongoing direction of the car turns upward on the screen of the display section 26 while the current position thereof is positioned at the center of the screen of the display section 26.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to, for example, a vehicle-mounted navigator device that provides position information to a driver.

[Technical background of the invention and its problems]

FIG. 4 shows a conventional in-vehicle navigator device. For example, a display section 1111C made of a cathode ray tube displays a required map successively read out from the image memory 13 by the display control section 12. Further, the display control section 12 is provided with a button so that the current position is inputted by an operation section X4 consisting of, for example, a keyboard, and this current position is displayed on the map display section z1. Then, when the car is running,
For example, based on the output signals of the position detection section 15 that detects the traveling distance and the direction detection/output section 16 that detects the traveling direction of the vehicle, the current location P and the traveling direction are displayed on the displayed map as shown in FIG. The trajectory T is now displayed.

By the way, with the above-mentioned conventional navigator device, if the direction of travel of the car changes, the position can be confirmed on the map, but if the actual direction of travel of the car and the direction of travel on the map are different, the correspondence relationship between them can be confirmed. It is difficult to recognize. Therefore, it takes time for the driver to determine the direction in which he/she wants to proceed, which poses a safety problem.

[Purpose of the invention]

This invention has been made based on the above circumstances, and its purpose is to provide an in-vehicle navigator device that allows the driver to easily determine the course desired by the driver and is extremely advantageous in terms of safety. It is something.

[Summary of the invention]

This invention rotates the displayed map in response to changes in the direction of travel of the car, for example, so that the direction of travel on the map always faces upwards on the screen, and the current location is always located in the center of the screen. This is how it was done.

[Embodiments of the invention]

An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, a plurality of map updates are stored as image information in a memory card 21 made of, for example, an optical card. This map information is read from the memory card 21 by the card reading section 22 and stored in the image memory 23.

On the other hand, when desired map information is specified using the operating section 24, which is made up of, for example, a keyboard, the corresponding map information is read out from the image memory 23 by the display control section 25, and displayed on the display section 26, which is made up of, for example, a cathode ray tube. Here, when the current location is input using the operation section 24, the display section 2
Your current location will be displayed on the map displayed on the θ screen.

Thereafter, when the car is running, as described above, based on the output signals of the position detecting section 27 and the direction detecting section 28, as shown in FIG. A travel trajectory T is displayed. In this state, when the car enters an intersection and turns as shown in FIG. be rotated. That is, the display information consisting of the map information displayed on the display section 26, the arrow P indicating the current position and the direction of travel, and the traveling trajectory T of the automobile is sent from the display control section 25 to the built-in memory (not shown) of the multi-rotation control section 29. is memorized.

In this rotation control section 29, so-called ab-in conversion is performed on the display information stored in the built-in memory in accordance with the output signal of the direction detection section 28, and the position of the display information in the built-in memo IJK is changed. .

At this time, the direction of travel of the vehicle is made to point upwards on the screen of the display section 26, and the current position of the vehicle is converted to be located at the center of the screen of the display section 26. The display information after this conversion is supplied to the display section 26 via the display control section 25. Therefore, on the screen of the display unit 26, as shown in FIG.
At the same time, the current position is displayed in the center of the screen.

On the other hand, by operating the keyboard of the operating section 24, the display information displayed on the display section 26 can be enlarged or reduced.

That is, when the keyboard of the operation unit 24 is operated to instruct, for example, to enlarge the map, the display information currently displayed on the display unit 2611C is transferred from the display control unit 25 to the enlargement/reduction control unit 3.
0 is stored in a built-in memory (not shown). In this enlargement/reduction control section 3o, for example, as shown by the broken line E in FIG. 3(a),
Control is performed to read out the display information located in the center of the screen in accordance with the display timing. This read display information is supplied to the display section 26VC via the display control section 25. Therefore, enlarged display information is displayed on the screen of the display section 260, as shown in FIG.

Furthermore, when the keyboard of the operation section 24 is operated to instruct to reduce the map, the display control section 25 stores the map information including the surroundings of the currently displayed map information and the display information into the built-in memory of the enlargement/reduction control section 30. be remembered. The enlargement/reduction control section 30 performs control to read display information and map information stored in the internal memory, for example, in accordance with the display timing. The read display information and map information are supplied to the display section 26 via the display control section 25.

Therefore, as shown in FIG. 3 (C1), the current display information and map information as well as surrounding map information are displayed on the screen of the display unit 26.

Note that the magnification of enlargement and reduction can be varied by changing the read timing of the built-in memory.

According to the above embodiment, the displayed map is rotated every time the direction of travel of the car changes, so that the direction of travel indicated on the map always faces upwards on the screen, and the current location is always displayed on the screen. The central part seems to be moving the display information.

Therefore, since the traveling direction of the vehicle coincides with the actual traveling direction of the vehicle, the driver can easily recognize the desired route by glancing at the screen of the display unit 26. Therefore,
Since the time required to look at the screen of the display unit 26 is instantaneous, driving safety can be ensured.

Further, the map displayed on the display unit 26FC can be reduced or enlarged as necessary. Therefore, since the display screen can be set to be easily viewed by the driver, the recognition speed for one display screen can be further increased, and driving safety can be improved.

〔Effect of the invention〕

As described in detail above, according to the present invention, it is possible to provide an in-vehicle navigation data device that allows the driver to easily determine the course desired by the driver and is extremely advantageous in terms of safety.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an actual example of the in-vehicle navigator device according to the present invention, FIGS. 2 and 3 are rounded diagrams explaining the operation of FIG. 1, and FIG. FIG. 5 is a block diagram showing an example of an in-vehicle navigator device, and is a diagram shown to explain the operation of FIG. 4. 2...Memory card, 24...Operation unit, 25...
・Display control unit, 26... Display unit, 27... Position detection unit, 28... Direction detection unit, 29... Rotation control unit, 3
o...Enlargement/reduction control section. Applicant's Representative Patent Attorney Takehiko Suzue Figure 1 Figure 2 Figure 4 Figure 5 Procedural Amendments Showa t. , Na 6th, Mr. Michibe Uga, Commissioner of the Patent Office, Indication of the case, Patent Application No. 1982-22312, Name of the invention: In-vehicle navigator device:, Person making the amendment Relationship with the case Patent applicant (307) Toshiba Corporation (1 other person), Agent No. 17 Mori Building 7, 1-26-5 Toranomon, Minato-ku, Tokyo;
Contents of amendment 1) In the last line of page 6 of the specification, the phrase “Figure 3” has been replaced with “Figure 3.”
Figure (b)” is corrected. 2) On page 7, line 16, the phrase "by changing" is amended to read "by changing." 3) On page 7, line 18, the phrase "direction of travel" is corrected to read "direction of travel." 4) Correct the drawings in Figures 2(c) and 3(d) and 3(a) as shown in the attached sheet. (c) (d) (a
) Figure 3

Claims (4)

[Claims] (1) A storage means in which map information is stored, a display means for displaying the map information stored in the storage means, a detection means for detecting the position and traveling direction of the vehicle, and a vehicle according to the output signal of the detection means. display control means for displaying the current position and traveling direction of the vehicle along with the map information on the display means; and display control means for displaying the vehicle's current position and traveling direction on the display means together with the map information; 1. A vehicle-mounted navigator device comprising a moving means for moving display information consisting of the map information, current position, and direction of travel so as to face the vehicle. (2) The in-vehicle navigator device according to claim 1, wherein the storage means comprises a memory card. (3) The in-vehicle navigator device according to claim 1, wherein the moving means is configured to rotate the displayed information and control the current position to be located at the center of the display means. (4) The in-vehicle navigator device according to claim 1, wherein the moving means is configured to enlarge or reduce the display information and supply it to the display means.