JPH06278547A - Display device for vehicle - Google Patents

Abstract

PURPOSE:To utilize a space for switch and display effectively in a display device for vehicle. CONSTITUTION:Content of the display to be displayed in a faceplate of a CRT display device 6 is switched to the map display and the map specifying display, and a touch panel unit 7 provided in the front surface of the CRT display device 6 is used commonly with a content of each display of the map display and the map specifying display, and made to function as a different switch to the content of each display.

Description

Description: BACKGROUND OF THE INVENTION The present invention touches the front of a display screen.
The present invention relates to a vehicle display device provided with a switch. [0002] Conventionally, as an apparatus of this type, Japanese Patent Laid-Open No. 55-55
-135885 "Display panel combined switch"
The transparent switch on the display side of the LCD panel.
Is made. And this switch part is a liquid crystal switch.
Equipped with a number of switches corresponding to the switch display,
Effective for the characters and numbers displayed on the rear switch
The switch is activated. [0003] However, the above-mentioned problems
For unnecessary switches out of a number of switches, display the switch on the rear
Since it is hard to operate the switch by turning it off,
The space for displaying the switch
Space is needed for switches and displays.
There is a problem that it is not used effectively. The present invention has been made in view of the above problems.
Space for display and display can be used effectively.
An object of the present invention is to provide a display device for a vehicle. The present invention achieves the above objects.
Various types of information, including information related to vehicle driving guidance,
Display means having a screen for displaying information, and this display means
The display screen is provided at a predetermined position on the front of the
Multiple touch switches that allow you to see the contents of
The information displayed on the display means is at least the first and second states.
To the display switching means for controlling the switching to the state
Therefore, when switching to the first state and when switching to the second state
When the touch switch is switched to
Different depending on the information displayed on the screen based on the operation
Instruction means for instructing execution of a function, and
Based on the instruction to execute the function, each of the touch switches
The information displayed on the screen may be changed according to the function
And an information changing unit for changing the information. [0006] According to the above configuration, the display screen of the display means
Switch the displayed content between the first and second different states.
The touch switch on the front of the display screen.
Switch is commonly used for the first and second display contents.
And different switches for each display
Since it is designed to be used as
Display and switch by providing on the display surface of the indicating means
Reduce space requirements by integrating
Can display and switch against display
Touch to correspond to the switching of the display without providing it independently
Displayed by switching the switch operation of the switch
And to further reduce the space for switches.
You can Furthermore, in the vehicle display device,
The various switches required for
Since it is installed in the channel, it is better to have less switches
In that case, the vehicle display device of the present invention is extremely effective.
is there. The present invention is suitable for a vehicle navigation system as follows.
The example used will be described. Figure 1 shows an example
It is the whole block diagram shown. In FIG. 1, reference numeral 1 is a direction detecting device.
Position to detect the x and y components of the geomagnetism according to the heading of the vehicle.
The output direction sensor and the signal from this direction sensor are
Equipped with an A / D converter that converts digital signals
Generates digital signals of X and Y components according to direction
Of. 2 is a distance sensor, which is a unit traveling distance of the vehicle (example
A distance pulse is generated every 39.2 cm.
is there. Reference numeral 3 is a reading device, which is used for a plurality of map data
(Including absolute coordinate data of the upper right point of the map)
Set the cassette tape 3a to a specific area
The map data of the ward is searched and read. Reference numeral 4 is a software according to a predetermined control program.
Microcomputer that performs digital arithmetic processing of software
Computer, CPU4a, ROM4b, RAM4c,
Equipped with an I / O circuit section 4d to supply power from a vehicle battery
A regulated power supply circuit that receives the regulated voltage of 5V (Fig.
It receives a regulated voltage from (not shown)
The digital signal of the X and Y components from the direction detection device 1
No., distance pulse from the distance sensor 2,
Receives read signals and executes arithmetic processing to display the first display
As a map of the specific area and the second display content
Generates a display signal to display information such as driving route information
To do. In addition, is it a vehicle-mounted battery in RAM4C?
The power supply is always backed up. Reference numeral 5 is a cathode ray tube (CRT) controller.
In response to the display signal from the microcomputer 4,
Map data, driving route information and characters of a specific area
Data is stored individually and the location where it is stored
Figure data and driving route information, or character data
Generates video and sync signals for CRT display
It is a thing. 6 is a CRT display device, which is a CRT controller
Map of specific area by video signal and sync signal from LA5
And the traveling route are displayed on the CRT. 7 is panel
The touch panel part as an switch
It is mounted on the display surface and provided on this touch panel.
Specific touch area out of 12 divided touch areas
When a touch operation is performed, a serial signal corresponding to
It is a living thing. Next, the CRT controller shown in FIG.
The detailed electrical connection diagram of No. 5 will be described. 11 is 12.0
Oscillation circuit for generating 96 MHz oscillation signal, 12 oscillates
Dividing the oscillation signal from the circuit 11,
Dot timing clock and 756KHz character
Dot counter that generates timing clock, 13
Commands and commands from the microcomputer 4
To the character timing clock from the counter 12
The horizontal and vertical sync signals, display timing signals, and
Issue a memory address signal and raster address signal
Display controller 14 is a display controller 13
Based on the horizontal and vertical sync signals from the microphone during the display period
(B) Hold signal to hold computer 4
Occurs at the hold (HOLD) terminal of black computer 4
Hold signal generating circuit. 15 is a micro computer
Address signal from computer 4 and display controller 13
Refresh memory address signal from, raster add
Hold signal from the microcomputer 4
Machipre that switches by the knowledge (HOLDA) signal
Numerals 16, 17, and 18 represent the microcomputer 4 and the table.
A tristate that switches the direction of data between
Has a bus driver, 19 is a microcomputer 4
The display data such as ASCII code is stored.
Refresh memory add from display controller 13
Key that receives the response signal and outputs the content as an address.
Character memory, 20 is a table from the character memory 19
Raster address from display address and display controller 13
Character image that outputs display pattern by dress signal
It is an generator. 21 is from the microcomputer 4
Graphic memory for storing map data of 2
2 is travel route information from the microcomputer 4 (running
Second graph that stores trajectory data and current position data)
23, 24, 25 are character generators.
Data 20, first and second graphic memories 21, 22
The parallel signal from the dot counter 12
Parallel converter that converts to serial data with a timing clock
A serial-to-serial (P-> S) converter, 26 is a micro computer
The screen and switching signals from the
P → S converter 23 and P → S to select the Lactor screen
The reception of signals from the converters 24 and 25 is switched and displayed.
The video signal is displayed by the display timing signal from the roller 13.
Create video controller, 27 is display controller
Generate sync signal from horizontal and vertical sync signal from 13
This is an exclusive OR circuit. The character
Memory 19, first and second graphic memories 21,2
2, the power source is always backed up from the vehicle battery
There is. That is, with this CRT controller 5,
Depends on the data sent from the microcomputer 4.
The character data in the character memory 19
The data is stored in the first graphic memory 21 as a travel locus.
The display data of the current position is stored in the second graphic memory 22.
Is always stored in the screen and the screen is switched from the microcomputer 4.
Graphic screen by signal (traveling track and current
Position display) and character screen (specify district)
To display designated characters, etc.)
Synchronize with the video signal to display the screen according to the CRT
A signal is generated on the CRT display device 6. The touch panel section 7 is shown in FIG.
As you can see, there are 12 divided touch areas from 31 to 42.
And has a matrix of two glasses and each glass
It is composed of a transparent conductive film that has a
Transparent guidance of the matrix due to the bending of the glass when the rear is pressed
As the touch area is detected by the contact of the electric film
The touch signal generated by a touch signal generation circuit (not shown).
Serial signal (start signal and tap
Switch information signal). In addition, this tag
The touch signal generation circuit displays touch information at every 40 msec.
The information is generated by a serial signal. Further, FIG. 4 shows the cassette tape 3a.
It shows the data area corresponding to one area,
A is the absolute coordinates of the upper right point of the map of the area (relative to the North Pole
The header part that stores the data), B is the area
X is a map data storage unit that stores the map data of
This is the rank section. Therefore, the reading device 3
By reading the
It is possible to give map data and absolute coordinate data of the ward.
Wear. The operation of the above-described structure is shown in FIG.
Description will be given along with a clear diagram and the operation flow charts shown in FIGS.
To do. This FIG. 6 shows the main routine of the microcomputer 4.
Fig. 7 is a flow chart showing the overall calculation process of Chin.
Performance of interrupt calculation routine based on distance pulse from sensor 2
FIG. 8 is a flow chart showing a calculation process, and FIG. 8 is a mode calculation routine in FIG.
FIG. 9 is a flow chart showing the detailed calculation processing of each routine.
Calculation showing the detailed calculation processing of the current position calculation routine in
It is a flow chart. Now, the components 1 to 7 shown in FIG. 1 are provided.
In the vehicle, turn on the key switch at the start of driving
Then, the power supply from the in-vehicle battery is received and the electric system of each part
Is activated. And the microcomputer 4
In addition, the regulated power supply circuit supplies a regulated voltage of 5V.
After receiving the supply, it becomes active and the start step 1 in FIG.
The calculation processing from 00 is started, and the initialization routine 200 is started.
Proceed to and register in the microcomputer 4, counter
Data, latches, etc. to the initial state required to start arithmetic processing.
To put. And after this initial setting, the mode calculation routine
Number of calculation processes of the current position calculation routine 400
Repeatedly executed at a cycle of about 10 msec. That is, this mode operation routine 300
Now, either map mode or character mode
Select and display CRT contents according to the mode
When in map mode, move the cursor showing the current position.
It is possible to move, and when in character mode,
The current position calculation rule is
Go to Chin 400. This current position calculation routine 400
Then the second graphic in the CRT controller 5
The current position data and travel locus data in the memory 22
Change the contents by ± 50m travel change for each X, Y component
Is executed and the mode calculation routine 300 is executed.
Return. After that, from this mode calculation routine 300
Calculation processing of main routine to position calculation routine 400
Is repeatedly executed at a cycle of several tens of msec. In the repeated calculation of this main routine,
On the other hand, the distance pulse from the distance sensor 2 is
When applied to the interrupt (INT) terminal of the computer 4, the microphone
(B) Computer 4 is temporarily performing the arithmetic processing of the main routine
Then, the interrupt operation processing shown in FIG. 7 is executed. That is,
The calculation process is started from the interrupt start step 501.
Then, proceed to the accumulation step 502 and store it in the RAM 4C.
Unit distance data in distance data D (about 39.2 cm
(Equivalent) is added and updated, and the process proceeds to distance determination step 503.
Then, it is determined whether the distance data D has reached 6.25 m.
It At this time, the distance data D has not reached 6.25 m.
If the answer is NO, then step 510 is returned.
Although it proceeds, it is judged when the distance data D reaches 6.25 m
Becomes YES, and the process proceeds to the direction signal input step 504.
Then, in this azimuth signal input step 504, the azimuth is detected.
Digital X, Y component signals Xa, Ya from device 1
Enter (East, North in positive direction, West, South in negative direction) and average
Proceed to position calculation step 505, and the previous direction data Xo,
Yo (direction data before running 6.25m) and this time
Calculate average azimuth data X, Y from position data Xa, Ya
Therefore, go to the distance component calculation step 506 and calculate the distance in the X direction.
The component Dx and the distance component Dy in the Y direction are obtained. Where: ## EQU1 ## [Formula 2] Dx = 6.25X / A [Formula 3] Dy = 6.25Y / A Note that X / A is a counterclockwise angle θ with respect to the east direction.
Cos θ and Y / A correspond to sin θ. Next,
In step 507, the heading data Xa, Ya of this time is stored.
Is stored as Xo and Yo for the next time, and the distance data
Proceed to set step 508 to reset the distance data D to 0.
Then go to step 509 to set the distance flag and set the distance.
Set the flag and proceed to return step 510
Return to the main routine that was temporarily suspended. That is,
In this interrupt calculation routine,
Data D is cumulatively updated and distance data D reaches 6.25 m
Then, the distance component D in the X and Y directions for this 6.25 m
Computation processing to calculate x and Dy and set the distance flag
Run. Next, the mode calculation in the main routine
Detailed calculation processing of the routine 300 will be described. this
In the mode calculation routine 300, the touch data input of FIG.
The calculation process is started from step 301 and the touch pad
Input touch data from the channel section 7 and write it in RAM4C.
I remember. Then, proceed to the map mode determination step 302
The contents of the mode area in RAM4C is the map mode.
Whether or not it is, and when the map mode
Is YES, and the process proceeds to mode change determination step 303.
Touch data stored in RAM4C changes mode
Showing data (34 touch areas in FIG. 3 are pressed
It is determined whether or not the data is the data). At this time,
It is judged that the touch data is the data indicating the mode change.
Is YES, the character mode setting step 30
Go to step 4 and set the contents of the mode area to character mode.
, And proceed to the character switching signal output step 305.
Then, let the CRT display device 6 display the character screen.
The character switching signal for the CRT controller 5
Generated in the video controller 26,
The arithmetic processing of the routine 300 is completed once. On the other hand, the touch data indicates a mode change.
When the data is not data, that is, data other than 34 in FIG.
Data when the touch area is pressed, or
Data when the touch area is not pressed (eg FF and
Data), the mode change determination step 30
The determination of 3 becomes NO, and the cursor movement determination step 30
Go to 6. In this cursor movement determination step 306,
The touch data is 32, 33, 35, 38, 40, 4
Data when any one of the touch areas 1 is pressed
Data) of touch movement,
If the data is not cursor movement data, the determination is NO.
One-time arithmetic processing of this mode arithmetic routine 300
However, the touch data is the data of cursor movement.
Then, the determination is YES and the cursor movement calculation step
Go to page 307. This cursor movement calculation step 307
Then, according to the touch data, this touch data is 3
Data for pressing 2 or 33 touch areas
If there is, the current position displayed on the CRT display device 6 is displayed.
-CRT to move the sol a certain distance in the north direction
Second graphic memory 22 in controller 5
Change the contents of, and touch data with touch data 35
Move the cursor to the west as the data for pressing the area
Of the touch area with touch data of 40 or 41
If it is the data for the press, move the cursor to the south
The data is the data for pressing the touch area of 38.
If there is, the cursor is moved in the east direction by a predetermined distance.
Change the contents of the second graphic memory 22 to enable
This mode calculation routine 30
One calculation process of 0 is completed. On the other hand, the map mode determination step 302
If the determination is NO, the process proceeds to mode change determination step 308.
Only the same calculation process as the mode change determination step 303.
It is determined whether or not the mode is changed. At this time, the mode
If the result of the change is YES, the map mode setting switch
Go to step 309 and select the mode area in RAM4C.
Set the contents to map mode, and enter the data conversion step 310.
Next, proceed to the second graphic in the CRT controller 5.
The travel route data in the memory 22 is converted. In this case
Without controlling the reading device 3 to search the designated area,
Absolute coordinates in the searched map of (the header part shown in FIG. 4
(Stored in A) and the absolute coordinate data on the previous map
Calculate the coordinate transformation value and use the calculated value to display the second graph
The running locus and current position data in the quick memory 22
Convert to ride. And read map data
Proceed to output step 311, map of cassette tape 3a
Input data via the reader 3 and map
The data is output to the first graphic memory 21, and the map
The process proceeds to the switching signal output step 312 and the CRT display device 6
Map switching to display the graphic screen of the map on the screen
A signal is generated by the video controller 26 to operate in this mode.
The arithmetic processing of the arithmetic routine 300 is completed once. Sanawa
Then, from the character screen, a different graphic
When switching to the black screen, execute the above calculation process,
Store the map data in the first graphic memory 21.
In addition to the
And the second graph to correct the cursor showing the current position
The contents in the quick memory 22 are converted. Because of this
Even if the map displayed on the CRT display device 6 is switched,
Display the line trajectory and the current location in the part corresponding to the map
You can On the other hand, the mode change determination step 308
When the determination is NO, the process proceeds to character calculation step 313.
Mu. When this character calculation step 313 is reached
Indicates that the character mode is set and the video controller
A state in which a character switching signal is issued to the roller 26
Therefore, the CRT display device 6 has a display as shown in FIG.
Video of the lacta screen. Center of this character screen
The numbers 0-2-4-68 shown in are the regions, regions,
It is a number that specifies the district, and each number is incremented.
The increment switch 51 increments and updates one by one, decrementing
Switch switch 52 to subtract one by one and update the set switch.
Switch 53 to reset and reset switch 54 to reset.
Performed at character calculation step 313 so that
Is calculated. In addition, the numerical data of this region, region, and district
The data is stored in the RAM 4C. In addition,
The switches 51, 52, 53, 54 are touched in FIG. 3, respectively.
It corresponds to areas 39, 40, 41 and 42. That is, the mode operation routine shown in FIG.
In Chin 300, touch data from the touch panel unit 7
And according to the contents of the mode area in RAM4C
Perform the operations from to as shown in. Cursor when in map mode but not mode change
If there is a move instruction, execute arithmetic processing for moving the cursor
However, if there is no instruction to move the cursor, the map display remains
Let it continue. A finger for changing the mode when in the map mode
Change the map mode to character mode when shown.
At the same time, let the CRT display device 6 display the character screen.
It Figure when in character mode but not mode change
Can accept map changes for character screens such as 5
Noh. When in character mode, there is an instruction to change the mode.
Then, when changing the character mode to the map mode
Display the graphic screen of the map on the CRT display device 6.
At the same time, the traveling path and current position are also corrected and displayed.
It Next, the current position performance in the main routine
Detailed calculation processing of the calculation routine 400 will be described. This
In the current position calculation routine 400 of FIG.
The calculation process is started from the constant step 401, and the calculation shown in FIG.
Whether the distance flag is set in the embedded calculation process
judge. At this time, the distance flag is not set
And the determination is NO, this current position calculation routine 4
The one-time calculation process of 00 is completed, but the distance flag is set.
If yes, the determination is YES and the X distance correction step
Go to step 402. Then, this X distance correction step 4
X obtained by interrupt calculation processing of X distance data DX at 02
Correction calculation by distance component Dx (DX = DX + Dx)
Then, in the Y distance correction step 403, the Y distance data DY is
Similarly, the correction calculation (DY = DY + Dy) is performed, and the first X distance is calculated.
Proceed to judgment step 404, and the X distance data DX is 50 m.
It is determined whether or not the above value is reached. At this time, X distance
The determination is YES if the data DX has a value of 50 m or more.
And the X distance subtraction step 405 is proceeded to.
The value of 50m is subtracted from the data DX, and the display movement step 40
Proceed to 6 and the current position in the second graphic memory 22.
If you move the data by 50m in the forward direction (east direction),
The travel locus data is also made to follow along with this. Further, the first X distance determination step 40
When the determination result in No. 4 is NO, the second X distance determination step 407
And the X distance data X has reached a value of -50 m or less.
Determine whether or not. At this time, the X distance data DX is -50.
If the value is m or less, the determination is YES, and the X distance
Go to calculation step 408 and add 50m to the X distance data DX.
Add the values and proceed to the display move step 409 to
The current position data in the rough memory 22 is 50m.
In addition to moving in the negative direction (west direction),
Ta also follows along with this. Then, the second X distance determination step 4
When the determination of 07 is NO, or the display moving step 40
After 6 and 409, to the Y component display movement processing routine 410
Go to the Y distance correction step 403
Data DY, similar to steps 404 to 409 above.
Judgment and arithmetic processing are executed. (Y distance data DY is positive or negative
The second graph when the value is 50m or more in either direction
Current position data and travel locus data in the quick memory 22.
Move the data in the corresponding direction by 50 m. ) That
Then, proceed to the next distance flag reset step 411
Reset the release flag. That is, the current position calculation rule shown in FIG.
It is displayed on the CRT display device 6 in the routine 400.
Currently in the second graphics memory 22 regardless of screen
Converts position data and travel locus data. Obey
Mode calculation routine 300 and position calculation routine 40
The repeat operation of the main routine by 0 and the interrupt operation of FIG.
The current position in the second graphic memory 22
When the data and the traveling locus data are changed sequentially
The screen of the CRT display device 6 according to the designated mode.
Select, and if in map mode, the map graphic screen
(Including the display of the current position and running track)
In the character mode, the map designation shown in FIG.
Visualize the character screen. In the above embodiment, CR is used as the display means.
Although the T display device 6 is shown, a liquid crystal display device, an EL display device
Etc. may be used. In the above-mentioned embodiments and claims
The CRT display device 6 displays the corresponding relationship with the configuration shown.
Corresponding to the display means, the touch panel unit 7 has a plurality of touch switches.
Corresponding to the switch, the map table in the microcomputer 4
The display control process is used to switch between the display and the character screen display.
Corresponding to the means, the map in the microcomputer 4
In the mode, in the character mode, the touch panel unit 7
Based on the operation, move the current position, change the displayed map, etc.
The part that processes the
The part that changes the display to specify the movement and display map changes.
Corresponds to the information changing means.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall configuration diagram showing an embodiment of the present invention. FIG. 2 is a detailed electrical connection diagram of the CRT controller in FIG. FIG. 3 is an explanatory diagram showing a touch area of a touch panel unit. FIG. 4 is an explanatory diagram showing a data area of a cassette tape. FIG. 5 is a display explanatory view showing a display state of a CRT display device. FIG. 6 is a calculation flow chart showing a whole calculation process of a main routine of the microcomputer. FIG. 7 is a calculation flowchart showing a calculation process of an interrupt calculation routine based on a distance pulse from a distance sensor. FIG. 8 is a calculation flowchart showing detailed calculation processing of a mode calculation routine in FIG. 9 is a calculation flow chart showing detailed calculation processing of a current position calculation routine in FIG. [Explanation of reference numerals] 4 Microcomputer 5 CRT controller 6 CRT display device 7 Touch panel unit

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Takashi Ono             Nihonden, 1-1, Showa-cho, Kariya city, Aichi prefecture             Sozo Co., Ltd. (72) Inventor Hajime Mikuni             Nihonden, 1-1, Showa-cho, Kariya city, Aichi prefecture             Sozo Co., Ltd.

Claims (1)

Claims: (1) Display means having a screen for displaying various information including information relating to vehicle travel guidance; and a display means provided at a predetermined position on the front surface of the screen of the display means and provided at the rear of the display screen. A plurality of touch switches that allow the contents to be viewed, and at least the first and second information displayed on the display means.
Display switching means for switching control to the above state, and when the display switching means switches to the first state and when the display state is switched to the second state, the screen is displayed based on the operation of each touch switch. Instructing means for instructing execution of a different function in accordance with the displayed information, and information displayed on the screen corresponding to the function of each touch switch based on the instruction to execute the function of the instructing means. A display device for a vehicle, comprising: information changing means for changing the information. (2) The information displayed on the display means is map information for displaying a current position on a road map and map specifying information for specifying a map to be displayed. Vehicle display device.