JPH02219083A - On-vehicle navigation device - Google Patents

Abstract

PURPOSE:To utilize a display area effectively by erasing a soft key display unless there is an operation input of a touch panel within a specific time after the soft key is displayed, and displaying the soft key when there is an operation input from a specific area of the touch panel in the erasure state. CONSTITUTION:An arithmetic processing part 3 reads map information on the periphery of the position of a vehicle out of a map information reproduction part 4 with the vehicle position data from a vehicle position detection part 1. The map information and current position information on the vehicle are supplied from the arithmetic processing part 3 to a display control part 6 and the entire display area of the display device 9 of a display part 7 is displayed under the control of the display control part 6. When there is no operation input of the touch panel 8 within the specific time after the soft key is displayed in a map displayed in the entire display area, the display of the soft key is erased. When there is an operation input from a specific area of the touch panel 6 in the erasure state of the soft key, the soft key is displayed. Consequently, the display area can be utilized effectively for navigation without decreasing the operability.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an on-vehicle navigation device.

[Conventional technology]

FIG. 5 is a block diagram showing a conventional in-vehicle navigation device disclosed in, for example, Japanese Patent Application Laid-open No. 189883/1983. In the figure, 24 is a direction and distance sensor that detects the traveling direction and distance of the vehicle, 25 is the current position of the vehicle,
Operation means for inputting instructions to enlarge, reduce, rotate, etc. the displayed map; 26 a control means for performing various calculations and controls for navigation; 27 a control means for storing map information in advance and reproducing it; A map information reproducing means 28 is a display means for displaying map information and the like.

FIG. 6 shows an example of the display in the navigation mode according to this conventional example, and FIG. 7 shows an example of the display in the map search mode.

Next, the operation will be explained. In the navigation mode, the control means 26 calculates the current position of the vehicle based on data obtained from the azimuth and distance sensor 24. The control means 26 continuously outputs map information around the current position from the map information reproducing means 27, and causes the display means 28 to display the read map information together with the own army position mark indicating the current position and direction of movement of the vehicle. During this display, the displayed map can be enlarged, reduced, rotated, etc. by input instructions from the operating means 25.

In the map search mode, the control means 26 reads map information specified by an input instruction from the operation means 25 from the map information reproduction means 27 and displays it on the display means 28.

Specifically, the operation means 25 is a touch panel, and as shown in FIG. 6, in the navigation mode, its soft keys are displayed on the display means 28 together with a map, etc., and as shown in FIG. 7, in the map search mode, the soft keys thereof are displayed on the display means 28. only is displayed.

The operator can issue input instructions by touching the soft keys displayed on the display screen. In this way, input operations can be easily performed by touching the soft keys without using a large number of hard keys.

[Problems to be Solved by the Invention] Since the conventional in-vehicle navigation device is configured as described above, the map display area is narrowed by the amount of soft keys displayed, and the amount of information displayed on the map is reduced. There was an issue.

The present invention has been made to solve the above problems, and provides an in-vehicle navigation system that can effectively utilize the display area without narrowing the map display area even when soft keys are used for input instructions. The purpose is to obtain equipment.

[! ! ! Means to solve the problem]

The in-vehicle navigation device according to the present invention erases the display of the soft keys when there is no operation input on the touch panel within a predetermined time after displaying the soft keys, and when there is no operation input from the predetermined area of the touch panel in this erased state. At certain times, soft keys are displayed.

[For production]

The in-vehicle navigation device according to the present invention erases the display of the soft keys and displays the map and the current position of the vehicle in the entire display area when there is no operation input on the touch panel within a predetermined time by controlling the display and erasure of the soft keys. , the soft keys can be redisplayed by operating the touch panel.

〔Example〕

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

In Fig. 1, 1 is a vehicle position detection unit that detects the current position and traveling direction of the vehicle, 2 is a timer system input unit that has a timer function, and 3 is a unit that performs various calculations based on input information and various controls for navigation. 4 stores map information expressed as a set of coordinate points;
A map information reproducing unit to be reproduced; 5 is a touch panel interface unit; 6 is a display control unit; 7 is a display unit; A touch panel 8 is attached to the vehicle, and comprises a display 9 that displays a map, the current position of the vehicle, and soft keys for the touch panel 8. The arithmetic processing unit 3 is connected to input various data from the vehicle position detection unit 1, the touch panel 8 via the touch panel interface unit 5, and the map information reproduction unit 4,
It is also connected to operate the timer control section 2 and to input a time-up signal. Further, the arithmetic processing unit 3 is connected to output the processed data to the display 9 via the display control unit 6 after processing the input data.

Figure 2 is a display example showing the display state of the soft keys.
1 to 16 are soft key displays for enlargement, reduction, setting, etc., located at the corners of the map displayed in the entire display area of the display 9.

FIG. 3 is an example of a display in the soft key erased state, and the display 9
A map, the current position of the vehicle, and its direction of travel (the head of the black arrow in the figure; the own vehicle position mark) are displayed in the entire display area.

FIG. 4 is a flow diagram of a program related to the control of displaying and erasing soft keys. For example, if the arithmetic processing section 3 is composed of a microcomputer, this program can be
It is stored in M.

Next, the operation of the apparatus having such a configuration will be explained with reference to FIGS. 1 to 3. Based on the vehicle position data from the vehicle position detection section 1, the arithmetic processing section 3 reads map information around the location from the map information reproducing section 4. This map information and the current position information of the vehicle are transferred from the arithmetic processing section 3 to the display control section. 6, and is displayed in the entire display area of the display 9 of the display section 7 under the control of the display control section 6. The arithmetic processing unit 3 also controls the display of soft keys when the power is turned on or when a command signal for displaying soft keys is input from the touch panel 8 via the touch panel interface unit 5 by an operator's touch operation at a predetermined position on the touch panel 8. A control signal for this purpose is output to the display control section 6.

Thereby, the display control section 6 controls the display 9 of the display section 7 so as to also display soft keys 10 to 16, as shown in FIG. 2, for example. Immediately after outputting this soft key display control signal or immediately after input processing corresponding to the soft key operation input as described later, the arithmetic processing section 3 outputs the timer control section 2.
make it work.

The soft key operations on the touch panel 8 are valid only during the operating period of this timer. Input operations are performed from the display screen using the touch panel 8, and the operation data is sent from the touch panel 8 to the arithmetic processing section 3 via the touch panel interface section 5. The arithmetic processing unit 3 performs arithmetic processing on, for example, map information in accordance with this operation data, and outputs the processed data to the display 9 via the display control unit 6, thereby causing the map to be displayed by enlarging, reducing, scrolling, etc. When a time-up signal is input from the timer control section 2, the arithmetic processing section 3 outputs a control signal for erasing the soft keys to the display control section 6. As a result, the display control section 6 controls the display 91 so as to erase the display of the soft keys and display only the map information and the own vehicle position mark in the entire display area, as shown in FIG. 3, for example.

Next, the control of displaying and erasing the soft keys will be explained in more detail with reference mainly to FIG. First, step 1
At step 7, the display of the soft keys is controlled, resulting in the display shown in FIG. In step 18, the timer control unit 2 is operated to execute timer start control. In step 19, it is determined whether or not there is an operation input on the touch panel 8. If there is an operation input, input processing according to the operation data is executed in step 20, and after the processing, step 1
Return to 8. If it is determined in step 19 that there is no input,
It is determined whether or not a timeout has elapsed after a predetermined period of time has elapsed since the timer start in step 18.If a time-up signal is not input from the timer system section 2, it is not a time-out, so the process returns to step 19; if input, it is a time-out, so step 22 In step 22, control is performed to erase the display of the soft keys.Next, in step 23, since no soft keys are displayed on the display 9, touch input in a predetermined area on the screen of the display 9 is performed. Wait until there is. If there is this touch input, the process returns to step 17 and repeats the above operation.

Note that in the above embodiment, the touch panel operation input is used to display the softkey from the softkey erased state, but a separate switch is provided and the softkey display is similarly performed by the operation input of this switch. You can.

Further, in the above embodiment, the own army mark is displayed, but the traveling trajectory of the vehicle may also be displayed.

〔Effect of the invention〕

As described above, according to the present invention, if there is no touch panel operation input within a predetermined period of time after the softkey is displayed on the map displayed in the entire display area, the display of the softkey is erased, and the softkey is Since the softkeys are configured to be displayed in response to operation input from a predetermined area of the touch panel when the softkeys are in the erased state, map information can be displayed in the entire display area when the softkeys are in the erased state, and when softkey operations are required, the softkeys can be easily displayed. Since the keys can be redisplayed, the display area can be effectively used for navigation without reducing operability.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an in-vehicle navigation device according to an embodiment of the present invention, FIGS. 2 and 3 are diagrams showing display examples according to an embodiment of the present invention, and FIG. 4 is a block diagram showing the configuration of an in-vehicle navigation device according to an embodiment of the present invention. FIG. 5 is a block diagram showing the configuration of a conventional in-vehicle navigation device; FIGS. 6 and 7 are diagrams showing display examples of the conventional device. It is. In the figure, 1... Vehicle position detection section, 2... Timer control section, 3... Arithmetic processing section, 4... Map information reproducing section, 5
...Touch panel interface section, 6... Display control section, 7... Display section, 8... Touch panel, 9.
··display. Note that the same reference numerals in the figures indicate the same or equivalent parts. Agent: Masu Oiwa U-TE: Soft mode display area

Claims (1)

[Claims] It has a touch panel for inputting instructions to change the display according to the type of the soft key when displaying the soft key,
In an in-vehicle navigation device that displays the current location of the vehicle and a map of its surroundings on the display based on current location information of the vehicle, and also displays the display of the soft keys on the display, If there is no operation input on the touch panel within a predetermined time after the soft key is displayed on the map, the display of the soft key is erased, and in this erased state, the soft key is erased by an operation input from a predetermined area of the touch panel. An in-vehicle navigation device characterized by displaying.