JP2677743B2 - In-vehicle switch device having a display unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch device provided in an audio device mounted on a vehicle, and more particularly to a switch device configured to realize a function displayed on a display unit by operating a switch.

[0002]

2. Description of the Related Art An example of the above-mentioned device is Japanese Patent Publication No. 3-775.
No. 94. This device is configured such that a plurality of function switches (so-called touch switches) using transparent electrodes are arranged on the front surface of the image display device, and a switch pattern corresponding to each function switch is displayed on the image display device.

[0003]

However, in the above-mentioned conventional switch device, since an expensive touch switch is used as a switch for function selection, it has been a factor of increasing the cost of the switch device as a whole.

An object of the present invention is to provide a switch device which is inexpensive and can select a plurality of functions displayed on a display unit.

[0005]

With reference to FIG. 1, which is a diagram corresponding to claims, a vehicle-mounted switch device according to the present invention has two or more switches 102 provided in the vicinity of an image display section 101 and each switch 102. The switching means 103 for sequentially switching a plurality of functions respectively realized by, the switch information display means 104 for displaying the switch information indicating the functions switched according to the operation of the switching means 103 on the image display portion 101, and the image display portion. Correspondence display means 105 composed of a concavo-convex portion showing the correspondence state between the switch information displayed on 101 and the switch 102, and the switch 1
The instruction means 106 for instructing the execution of the function corresponding to the switch according to the operation of 02 is provided, thereby solving the above problems.

[0006]

The switch information display means 104 is the switching means 10
The switch information indicating the function switched according to the operation of No. 3 is displayed on the image display unit 101, and the command unit 106 switches the switch information based on the correspondence state between the switch information and the switch 102 associated by the correspondence display unit 105. 102
When is operated, the execution of the function indicated by the switch information is instructed. Since the correspondence display unit 105 visually displays the correspondence state between the switch 102 and the switch information, the switch itself has a configuration in which the correspondence state between the switch information and the switch information is visually displayed like a touch switch. In comparison, it can be configured simply and inexpensively.

[0007]

2 to 4 are views showing an embodiment of an audio equipment provided with a switch device according to the present invention, FIG. 2 is a front view, FIG. 3 is a side sectional view, and FIG. It is a figure. In these drawings, reference numeral 1 denotes an audio device according to the present embodiment. The audio device 1 includes a substantially rectangular parallelepiped casing 2 having an opening on the front surface (the front surface of FIG. 2, the right side surface of FIG. 3), and The front panel 3 covers the opening of the housing 2. The audio device 1 of the present embodiment is a so-called 2DIN size audio device, and is suitable for vehicle installation. In the housing 2, a liquid crystal display device 4 having a screen 4a formed on one surface thereof and a cassette deck 6 having a reproducing function of the cassette tape 5 are housed. The liquid crystal display device 4 is formed as a thin flat plate as a whole as shown in FIGS. 3 and 4, and the front portion of the housing 2 (right side in FIG. 3) with its screen 4a facing the front surface of the housing 2. It is mounted on the bottom surface. The cassette deck 6 is arranged behind the liquid crystal display device 4 by a mounting tool (not shown). More specifically, the cassette deck 6 is located immediately behind the liquid crystal display device 4 as shown in FIG.
Moreover, the liquid crystal display device 4 and the cassette deck 6 are arranged in the housing 2 so as to have a vertically overlapping region when viewed from the front surface of the housing 2. Since the operation of the cassette deck 6 is known, its description is omitted.

A transparent window 3a corresponding to the screen 4a of the liquid crystal display device 4 is formed on the front panel 3, and the screen 4a can be seen through the window 3a. A plurality of operation buttons 7a to 7f for operating instructions are provided on the side of the window 3a (on the right side in FIG. 2) (in the illustrated example, six operation buttons 7a to 7f are arranged in the vertical direction in FIG. 2). Installed) and each operation button 7a
7f and the switch patterns (switch information) 8a to 8f displayed on the screen 4a, the printing units 15a to 15f visually show the relationship between the printing patterns 15a to 15f.
Is formed. The switch patterns 8a to 8f visually display the functions realized by the operation of the operation buttons 7a to 7f.
The same number as or less than 7f is displayed on the screen 4a (details will be described later). Reference numerals 9a to 9f (only one is shown in FIG. 4) are tact switches.
9f are turned on in accordance with the operation of the operation buttons 7a to 7f.
Operate off.

Reference numeral 10 is an AV button for instructing switching of each device provided in the audio equipment 1, 11 is an eject button for instructing an ejection operation of the cassette tape 5 loaded in the cassette deck 6, and 12 is an image quality. / Image quality / sound quality button for sound quality adjustment, 13a to 13d are AV button 10
A cursor button for instructing the operation of each device switched by means of the buttons. By operating these buttons 10 to 13, on / off operation of a switch (not shown) is performed. Also,
Reference numeral 14 is a volume knob having a power on / off function. Reference numeral 16 is a traffic information button for obtaining information from the beacon. A cassette insertion opening 3b for the cassette deck 6 is formed above the window 3a of the front panel 3, and the cassette tape 5 is inserted into the cassette deck 6 through the insertion opening 3b or the cassette tape 5 is inserted from the cassette deck 6. Is discharged.

FIG. 5 is a block diagram showing a schematic circuit configuration of the audio equipment of this embodiment. In the figure, 20 is a control device equipped with a microprocessor, ROM, RAM, etc., and a cassette deck 6, a CD player 21, an AM / FM / TV tuner 22 and an amplifier 23 (cassette deck) in response to a command signal from this control device 20. The operations (not shown in FIGS. 2 to 4 except 6) are controlled. Further, the control device 20 controls the liquid crystal display device 4 via the display driver 24. The switch pattern image data displayed on the screen 4a of the liquid crystal display device 4 is stored in the memory 25. Tact switches 9a to 9f and various switches 26a and 26b (the AV button 10 in FIG. 5).
And an AV switch 2 corresponding to the image quality / sound quality button 12
6a and the image quality / sound quality switch 26b are shown in the figure).

Next, the operation of the audio equipment of this embodiment will be described with reference to the flowcharts shown in FIGS. 6 and 7 and FIGS. 2 to 5 and 8 to 11. (1) Main Operation FIG. 6 is a flowchart for explaining the main operation of the audio device of this embodiment. The flowchart shown in FIG. 6 is
Start with the power turned on by operating the volume knob. First, in step S1, a CD mode subroutine that allows CD reproduction and the like using the CD player 21 is executed (details will be described later). FIG. 8 shows the switch patterns 8a to 8f displayed on the screen in the CD mode. In step S2, it is determined whether or not the AV button 26 has been operated to turn on the AV switch 26a. If the determination is affirmative, the process proceeds to step S3. If the determination is negative, the process returns to step S1 to return to the CD mode subroutine. Is executed. In step S3, a TV mode subroutine in which the television can be viewed using the tuner 22 and the liquid crystal display device 4 is executed. FIG. 9 shows the switch patterns 8a to 8f displayed on the screen in the TV mode. In step S4, it is determined whether or not the AV button 10 has been operated to turn on the AV switch 26a. If the determination is positive, the process proceeds to step S5, and if the determination is negative, the process returns to step S3 to return to the TV mode subroutine. Is executed. In step S5, an AM mode subroutine in which the AM radio can be heard using the tuner 22 is executed.
FIG. 10 shows the switch patterns 8a to 8f displayed on the screen in the AM mode. In step S6, it is determined whether or not the AV button 26 has been operated to turn on the AV switch 26a. If the determination is affirmative, the process proceeds to step S7. If the determination is negative, the process returns to step S5 and AM.
The mode subroutine is executed. In step S7,
The tuner 22 is used to execute the FM mode subroutine in which the FM radio can be heard. The switch patterns 8a to 8f displayed on the screen in the FM mode are AM
It is almost the same as that of the mode. In step S8, AV
It is determined whether or not the button 10 has been operated to turn on the AV switch 26a, and if the determination is affirmative, step S9
If the determination is negative, the process returns to step S7 and F
The M-mode subroutine is executed. In step S9, a deck mode subroutine is performed in which the cassette tape 5 can be reproduced using the cassette deck 6. Switch pattern 8 displayed on the screen in deck mode
a to 8f are shown in FIG. In step S10, it is determined whether or not the AV button 10 has been operated to turn on the AV switch 26a. If the determination is affirmative, the process returns to step S1 to execute the CD mode subroutine, and if the determination is negative, the step S9 is performed. Then, the deck mode subroutine is executed.

(2) Operation by Mode Next, details of each mode subroutine will be described.
For simplification of description, only the details of the CD mode shown in step S1 will be described, and description of the other modes will be omitted. FIG. 7 is a flowchart for explaining the operation of the audio device of this embodiment in the CD mode.
The flow chart shown in FIG. 7 shows only the portion related to the operation switches 7a to 7f, and the cursor button 13a
Descriptions of other switches such as 13d are omitted.

In step S101, the switch patterns 8a to 8f and other information shown in FIG. 8 are read from the memory 25 and displayed on the screen 4a of the liquid crystal display device 4 via the display driver 24. In step S102, it is determined whether the operation button 7b is operated to turn on the tact switch 9b. If the determination is affirmative, the program proceeds to step S103, and if the determination is negative, the program skips to step S104. In step S103, if the CD is not reproduced by the CD player 21, the CD is reproduced, and if the CD is reproduced, a command signal to stop the reproducing operation (PLAY / STOP) is sent to the CD player 21. In step S104, the operation button 7c
Is operated to turn on the tact switch 9c, and if the determination is affirmative, the program proceeds to step S
If the determination is negative, the process proceeds to step S106.
Skip to. In step S105, a command signal (FF) for fast-forwarding the CD reproduced by the CD player 21 is sent to the CD player 21. Step S10
6, the operation button 7d is operated and the tact switch 9d
It is determined whether or not is turned on. If the determination is affirmative, the program proceeds to step S107, and if the determination is negative, the program skips to step S108. Step S10
In step 7, a command signal for fast-forwarding (REW) the CD reproduced by the CD player 21 in the reverse direction is sent to the CD player 21. In step S108, the operation button 7e
Is operated to turn on the tact switch 9e, and if the determination is affirmative, the program proceeds to step S
If the determination is negative, the process proceeds to step S110.
Skip to. In step S109, the CD player 21 sends the ON / OFF command signal (REP) for the repeat mode.
To send to. The repeat mode includes two modes in which the current track being reproduced by the CD player 21 is repeatedly reproduced, or the current CD is repeatedly reproduced all songs. In step S110, it is determined whether the operation button 7f is operated and the tact switch 9f is turned on. If the determination is affirmative, the program proceeds to step S11.
If the determination is negative, the process proceeds to step S112. In step S111, the CD player 21
A random mode ON / OFF signal (RANDOM) for randomly playing the CD loaded in the CD player 21 is sent to the CD player 21.

In step S112, the image quality / sound quality button 1
2 is operated to determine whether the image quality / sound quality switch 26b is turned on. If the determination is affirmative, the program proceeds to step S113, and if the determination is negative, the program ends and the flowchart of FIG. Return to the program shown. In step S113, the sound quality adjustment switch patterns 8a to 8f (not shown) are displayed on the screen 4a of the liquid crystal display device 4. In step S114, the image quality / sound quality button 12 is operated again to set the image quality / sound quality switch 26.
It is determined whether or not b is turned on. If the determination is affirmative, the program skips to step S130, and if the determination is negative, the program proceeds to step S115. Step S1
15, the operation button 7a is operated and the tact switch 9
It is determined whether or not a has been turned on. If the determination is affirmative, the program proceeds to step S116, and if the determination is negative, the program skips to step S117. Step S1
At 16, the bass adjustment command signal is sent to the amplifier 23.
In step S117, it is determined whether the operation button 7b is operated and the tact switch 9b is turned on. If the determination is affirmative, the program proceeds to step S118,
If the determination is negative, the process skips to step S119.
In step S118, the treble adjustment command signal is sent to the amplifier 23.
To send to. In step S119, it is determined whether the operation button 7c is operated and the tact switch 9c is turned on. If the determination is affirmative, the program proceeds to step S12.
If the determination is negative, the process proceeds to step S121. In step S120, a left / right balance adjustment command signal is sent to the amplifier 23. In step S121, it is determined whether or not the operation button 7d is operated and the tact switch 9d is turned on. If the determination is affirmative, the program proceeds to step S122, and if the determination is negative, the program ends and the program ends. Return to the program shown in the flowchart. In step S122, the front-rear balance adjustment command signal is sent to the amplifier 23.

On the other hand, in step S130, the image quality adjustment switch patterns 8a to 8f (not shown) are displayed on the screen 4a of the liquid crystal display device 4. Step S131
Then, it is determined again whether the image quality / sound quality button 12 has been operated to turn on the image quality / sound quality switch 26b. If the determination is affirmative, the program returns to step S113, and if the determination is negative, the program proceeds to step S132. . In step S132, it is determined whether or not the operation button 7a is operated to turn on the tact switch 9a. If the determination is affirmative, the program proceeds to step S133, and if the determination is negative, the program ends and the program is terminated. Return to the program shown in the flowchart.

Therefore, in this embodiment, the switch pattern 8a displayed on the screen 4a of the liquid crystal display device 4 is used.
8f and the operation buttons 7a to 7f, the printing unit 1
5a to 15f to visually display and each operation button 7
Since the functions shown in the switch patterns 8a to 8f associated with the operations a to 7f are executed by the operations a to 7f, it is possible to realize the equivalent functions at a lower cost than those using the conventional touch switch. it can.

In the correspondence between the embodiment described above and the claims, the liquid crystal display device 4 is an image display section, the tact switches 9a to 9f are switches, and the printing sections 15a to 15a.
Reference numeral 15f constitutes a corresponding display means, and the control device 20 constitutes a switching means, a switch information display means and a command means. The details of the switch device of the present invention are not limited to the above-described embodiment, and various modifications are possible. As an example, in the above-described embodiment, the printing units 15 a to 1 that visually associate the operation button with the switch pattern.
Although 5f is provided, the present invention is not limited to this, and for example, irregularities may be formed on the peripheral portion of the window. In addition, although the switch device is applied to the audio device in the above-described embodiment, the present invention is not limited to this and can be applied to various devices and devices having multiple functions.

[0018]

As described above, according to the present invention, since the correspondence display means including the concave and convex portions showing the correspondence between the switch information displayed on the image display portion and the switch is provided, the conventional touch switch is used. Comparable functions can be realized at low cost. Further, by forming the uneven portion instead of the flat correspondence display means, it is possible to easily judge the correspondence state not only visually but also by tactile sense, so that it cannot be visually recognized sufficiently while driving, for example, vehicle equipment. It is especially effective in such cases.

[Brief description of the drawings]

FIG. 1 is a diagram corresponding to claims of the present invention.

FIG. 2 is a front view showing an audio device to which a switch device according to an embodiment of the present invention is applied.

FIG. 3 is a side sectional view showing an audio device according to an embodiment.

FIG. 4 is a partially cutaway top view showing an audio device according to an embodiment.

FIG. 5 is a block diagram showing a schematic circuit configuration of an audio device according to an embodiment.

FIG. 6 is a flowchart for explaining the operation of one embodiment.

FIG. 7 is a flowchart for explaining an operation in CD mode.

FIG. 8 is a diagram showing an example of a switch pattern.

FIG. 9 is a diagram showing another example of a switch pattern.

FIG. 10 is a diagram showing another example of a switch pattern.

FIG. 11 is a diagram showing another example of a switch pattern.

[Explanation of symbols]

 7a to 7f Operation button 8a to 8f Switch pattern 9a to 9f Tact switch 15a to 15f Printing unit 20 Control device

Claims (1)

(57) [Claims] 1. A two or more switch provided in the vicinity of an image display section, a switching means for sequentially switching a plurality of functions respectively realized by the respective switches, and the switching means operated according to an operation of the switching means. Switch information display means for displaying switch information indicating a function on the image display section, and correspondence display means constituted by a concavo-convex section showing a correspondence state between the switch information displayed on the image display section and the switch, An in-vehicle switch device having a display unit, comprising: an instruction unit for instructing execution of a function corresponding to the switch according to an operation of the switch.