JPH06161396A - On-vehicle information display device - Google Patents

Abstract

PURPOSE:To eliminate the overlooking of information and facilitate operation for switching divided screens by dividing received information in such a quantity that information can be displayed on the display screen, and superimposing displaying page information on a divided display screen of the information when the screen is divided into >=2 screens. CONSTITUTION:This device is equipped with a screen dividing means and a display control means in addition to a receiving means and a display means, and divides and displays information and superimposes pieces 21-23 of page information on the divide display screen 5a when the information is too much to display on one screen. Namely, the page information 21 indicates the total number of divided screens and the page numbers of the divided screens and shows two divided screens and the 1st page of the information display screen in this case. The page information 22 is a simulation figure showing that the information is divided into plural screens and the page 23 is a simulation figure of direction keys 8e for switching the divided screens and their operation directions and displays a key for switching to the 2nd page differently in color from other keys.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-mounted information display device which receives broadcast radio waves containing various information and displays the information.

[0002]

2. Description of the Related Art A vehicle-mounted information display device is known which receives beacons and radio waves of FM multiplex broadcasting and displays various information such as road traffic information.

By the way, since the information transmitting side does not transmit the information in consideration of the amount of information that can be displayed per screen of the display device on the receiving side, when the information amount is large, the information is transmitted on the receiving side. It is necessary to divide and display.

However, when the received information is simply divided and displayed, it is not possible to notice that the information is divided and displayed, or the total number of display screens or the number of pages of each display screen is unknown and a part of the information is viewed. It may be dropped.

An object of the present invention is to provide an in-vehicle information display device for displaying page information by superimposing it on each divided screen when the information is displayed by dividing the screen.

[0006]

The present invention will be described with reference to FIG. 1, which is a claim correspondence diagram, and the invention of claim 1 is a receiving means 1 for receiving broadcast radio waves containing various information.
00 and display means 101 for displaying various information is applied to an in-vehicle information display device. Then, when the screen receiving means 100 divides the information received by the receiving means 100 into an amount that can be displayed on the screen of the display means 101, and when the information display screen divided by the screen dividing means 102 is two or more, The display unit 101 is provided with the display unit 103 for dividing and displaying the information, and the display control unit 103 for superimposing and displaying the page information on each divided screen, thereby achieving the above object. The in-vehicle information display device according to a second aspect of the present invention is configured to display, as page information, a simulated diagram showing that the information is divided into a plurality of screens. The on-vehicle information display device according to claim 3 displays the total number of divided screens of information and the number of pages for each divided screen as page information. The on-vehicle information display device according to a fourth aspect of the present invention is configured to display an operation button for switching the split screens and a simulated diagram showing the operation direction as page information.

[0007]

The received information is divided into an amount that can be displayed on the screen of the display means 101, and when divided into two or more screens, the page information is superimposed and displayed on the divided display screen of information.

[0008]

FIG. 2 is a block diagram showing the structure of an embodiment. In the figure, a receiving circuit 1 is connected to a system bus 3 via an interface 2 and receives a transmission wave such as a beacon or road traffic information by FM multiplex broadcasting via an antenna 4. The liquid crystal display 5 is connected to the system bus 3 via the liquid crystal driver 6 and displays various information received by the receiving circuit 1. Microcomputer (hereinafter,
The CPU 7 executes a control program described later to control the display of information. Further, the system bus 3 includes an operation unit 8 including various switches, a system ROM 9 for storing a control program, and an R for temporarily storing information.
AM10 etc. are connected.

FIG. 3 is a front view of the liquid crystal display 5. The liquid crystal display 5 has a display screen 5a, a main switch 8a,
Switches such as a mode switch 8b, a menu switch 8c, a return switch 8d, and a direction key 8e are provided. When the mode switch 8b is operated, the display mode is switched in the order of road traffic information display mode, navigation mode, television mode, and audio mode. Also,
When the menu switch 8c is operated, the display screen 5a is switched to the menu screen in each mode, and when the return switch 8d is operated, the menu selected on the menu screen is set. The display screen 5a near the menu switch 8c displays the word "Menu" indicating that it is a menu switch, and the display screen 5a near the return switch 8d indicates that it is a return switch. "Return" is displayed. Also,
The direction key 8e is used to switch the split screen,
Pressing the upper key switches to the screen of the previous page, and pressing the lower key switches to the screen of the next page.

When the amount of information is large and cannot be displayed on one screen, the information is divided and displayed, and the following page information is superimposed and displayed on the divided display screen 5a. 21 is the total number of split screens and the number of pages for each split screen. In the figure, the total number of split screens is 2
Represents a page. 22 is a simulation diagram showing that the information is divided into a plurality of screens. Reference numeral 23 is a simulated diagram showing the direction key 8e for switching the split screen and the operation direction thereof. In the figure, the lower key for switching to the second page is displayed in a different color from the other keys.

4 and 5 are flow charts showing the display control program stored in the system ROM 9. The operation of the embodiment will be described with reference to these flowcharts. When the main switch 8a is turned on, the CPU 7 starts executing this control program. In step S1, the receiving circuit 1 determines whether or not information has been obtained by receiving a beacon or a radio wave of FM multiplex broadcasting. When the information is received, the process proceeds to step S2, the information is classified into items and stored in the RAM 10. To do. In step S3,
As shown in FIG. 6, an information menu screen for selecting information items to be displayed is displayed on the liquid crystal display 5 via the liquid crystal driver 6. If the menu switch 8c is operated while the information menu screen is displayed, the blinking location of the display menu changes each time the operation is performed, and if the return switch 8d is operated while the menu of the item desired to be displayed blinks. , That menu is set.
In step S4, input the item selection information from the operation unit 8,
Go to step S5.

In step S5, the information of the selected item is read from the RAM 10 and the number of screen divisions for displaying on the display screen 5a is calculated. Here, when the number of information items of the selected item is A and the maximum number of information items displayed per screen of the selected item is B, the total number C of split screens is calculated by the following formula.

## EQU1 ## C = A / B (1) Note that the number after the decimal point is rounded up. Continued Step S6
Then, C = 1, that is, it is determined whether or not the total number of divided screens is 1, and if the total number is 1, the process proceeds to step S7, and if the total number is 2 or more, the process proceeds to step S8. In step S7, the information is sent to the liquid crystal driver 6 to be displayed on the liquid crystal display 5, and the execution of the program ends.

On the other hand, when the total number of divided screens is 2 or more, the number of pages D is set to 1 in step S8 and the process proceeds to step S9. In step S9, it is determined whether D = 1, that is, whether it is the first page. If it is the first page, step S2 in FIG.
1. If not, proceed to step S10. In step S10, it is determined whether or not 1 <D <C. If affirmative, the process proceeds to step S24 in FIG. 5, and if negative, the process proceeds to step S27 in FIG.

In step S21 of FIG. 5, the information for the first page is displayed on the liquid crystal display 5, and the above-mentioned page information 21 to 23 is superimposed and displayed on the display screen 5a. At this time, since it is the first page, the page information 21
"1 / C" is displayed on the screen, and the key on the next page side of the page information 23 is displayed in a color different from other keys. In a succeeding step S22, it is determined whether or not the key on the side of the next page of the direction keys 8e is pressed. If the key on the side of the next page is pressed, the process proceeds to step S23, and if not, the execution of the program ends. In step S23, the page number D is incremented and the process returns to step S9 in FIG.

In step S24, the information for the D-th page is displayed on the liquid crystal display 5, and the display screen 5a is displayed.
And the page information 21 to 23 are displayed in a superimposed manner. At this time, since it is the Dth page, “D / C” is added to the page information 21.
Is displayed, and the keys of the previous page and the next page of the page information 23 are displayed in a different color from other keys. In a succeeding step S25, it is determined whether or not the key on the previous page side of the direction keys 8e is pressed. If the key on the previous page side is pressed, the process proceeds to step S29, and if not, the process proceeds to step S26. In step S26, it is determined whether or not the key on the side of the next page of the direction keys 8e is pressed. If the key on the side of the next page is pressed, the process proceeds to step S23, and if not, the execution of the program ends. In step S29, the page number D is decremented and the process returns to step S9 in FIG.

In step S27, the information for the last page is displayed on the liquid crystal display 5, and the display screen 5a is displayed.
And the page information 21 to 23 are displayed in a superimposed manner. At this time, since it is the last page, "C / C" is added to the page information 21.
Is displayed, and the key on the previous page side of the page information 23 is displayed in a different color from other keys. In a succeeding step S28, it is determined whether or not the key on the previous page side of the direction keys 8e is pressed. If the key on the previous page side is pressed, the process proceeds to step S29, and if not, the execution of the program ends.

FIG. 7 is a diagram showing a display example of required time information when the total number C of divided screens is 2, (a) showing the display screen of the first page, and (b) showing the display of the second page. Show the screen. On each page of the time required information screen, page information 21
To 23 are displayed in a superimposed manner. On the first page, "1/2" is displayed in the page information 21, and the key 23a on the next page side of the page information 23 is displayed in a color different from other keys. On the second page, the page information 21 is "2/2".
Is displayed, and the key 23b on the previous page side of the page information 23 is displayed.
Is displayed in a different color from other keys. Further, page information 22 indicating that the information display screen is divided is displayed on each page.

In this way, when the received information is divided into a quantity that can be displayed on the display screen and divided into two or more screens,
A mockup showing that the information is divided into multiple screens,
Total number of split screens of information and number of pages per split screen,
Also, the operation buttons for switching between split screens and a simulated diagram showing the operation direction are displayed as page information so as to be superimposed on the split display screen of information, so that some of the split information may be overlooked. This makes it easy to switch between split screens.

The display form of the page information is not limited to the above embodiment. The display information is not limited to road traffic information, and the present invention can be applied to all information obtained by receiving broadcast waves.

In the configuration of the above embodiment, the receiving circuit 1
The antenna 4 constitutes a receiving means, the liquid crystal display 5 constitutes a display means, and the CPU 7 constitutes a screen dividing means and a display control means.

[0021]

As described above, according to the present invention, received information is divided into an amount that can be displayed on a display screen, and when divided into two or more screens, page information is displayed on the divided display screen of information. Since the information is displayed so as to be superimposed, it is possible to facilitate the switching operation of the divided screens without missing some of the divided information.

[Brief description of drawings]

FIG. 1 is a complaint correspondence diagram.

FIG. 2 is a block diagram showing the configuration of an embodiment.

FIG. 3 is a front view of a liquid crystal display.

FIG. 4 is a flowchart showing an example of a display control program.

FIG. 5 is a flowchart showing an example of a display control program.

FIG. 6 is a diagram showing an example of an information menu screen.

FIG. 7 is a diagram showing an example of a divided display screen of required time information.

[Explanation of symbols]

 1 Receiving Circuit 2 Interface 3 System Bus 4 Antenna 5 Liquid Crystal Display 5a Display Screen 6 Liquid Crystal Driver 7 Microcomputer (CPU) 8 Operation Section 8a Main Switch 8b Mode Switch 8c Menu Switch 8d Return Switch 8e Direction Key 9 System ROM 10 RAM 21 To 23 page information 23a, 23b keys 100 receiving means 101 display means 102 screen dividing means 103 display control means

Claims (4)

[Claims] 1. An in-vehicle information display device, comprising: a receiving means for receiving broadcast radio waves containing various information; and a display means for displaying various information, wherein the information received by the receiving means is displayed. The screen dividing means for dividing into a quantity displayable on the screen of the means, and the display screen of the information divided by the screen dividing means are 2
In the above case, the vehicle-mounted information display device is provided with display control means for dividing and displaying the information on the display means and for superimposing and displaying page information on each divided screen. 2. The in-vehicle information display device according to claim 1, wherein the page information is a simulated diagram showing that the information is divided into a plurality of screens. apparatus. 3. The in-vehicle information display device according to claim 1, wherein the page information is the total number of divided screens of the information and the number of pages for each divided screen. Information display device. 4. The in-vehicle information display device according to claim 1, wherein the page information is a simulation diagram showing an operation button for switching a split screen and an operation direction thereof. Characteristic vehicle information display device.