JP2001297573A - Audio equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize miniaturization of a device even when plural display screens are provided. SOLUTION: Audio equipment is composed by housing a sound means to reproduce an acoustic signal from a recording medium in a casing 2 which has the size capable of being housed in prescribed space, and is provided with a first display screen 3c which is supported by a panel support turning mechanism 11 provided in the casing 2 and is provided in one surface 3a of a panel part 3 being freely openable and closable with respect to the front 2a of the casing 2 and a second display screen provided in other surface 3b different from the one surface 3a. In such the on-vehicle audio equipment 1, by turning the panel support turning mechanism 11, a user can visually recognize the one surface 3a or the other surface 3b, therefore the first display screen 3c or the second display screen can be visually recognized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an audio device installed in a vehicle, and more particularly, to an audio device capable of displaying audio content and user operation content on a plurality of screens.

[0002]

2. Description of the Related Art A conventional on-vehicle audio device is provided with a display screen for displaying a spectrum display corresponding to an audio signal reproduced from a recording medium, information about a music being reproduced, operation contents of a user, and the like. Often, it is provided on the front side of the housing.

In such an in-vehicle acoustic device, by displaying various contents on the display screen, the state of the acoustic signal, the contents of the music being reproduced, and the operation confirmation of the user can be presented to the user. .

Further, in the conventional on-vehicle audio equipment, in addition to a display screen, an operation key or the like operated by a user is often provided on a front panel on the front side, and the operation contents of the user are provided on the front. Often displayed on the display screen.

[0005]

By the way, in the case of an in-vehicle audio device, a graphic display such as a spectrum display or the like,
There are various kinds of display contents such as information on music, character display such as characters indicating operation contents, and the like, and there is a demand from users for displaying a large amount of information.

[0006] However, in the conventional on-vehicle audio equipment, operation keys and the like are provided on the front panel side.
In a limited storage space in the car such as DIN size,
The display screen is reduced by the size of the operation keys, and the displayable contents are limited.

[0007] In addition, it is desired to provide a plurality of display screens in a vehicle-mounted acoustic device so that various display contents can be displayed. However, in-vehicle audio equipment has a limited accommodation space, and it is often difficult to provide a plurality of display screens.

On the other hand, when the front panel is of a rotary type which is opened and closed with respect to the front of the vehicle-mounted audio equipment, the front panel is opened to take out and out of the recording medium. Because it is on the back side, it is necessary to perform the operation of closing the front panel again when performing the operation only by taking the recording medium in and out.

Also, in the case of a front panel rotating type in which operation keys are provided on the front side of the front panel, even if the display screen is turned off, the operation keys are provided on the front side, so that the on-vehicle audio equipment is provided. Could be visible from outside the vehicle, and could be harmed by crimes such as theft and the breaking of vehicles.

On the other hand, it is conceivable that the front panel can be detached from the main body.
The user has to remove and manage the front panel, and also has to carry the front panel when getting into the car, which is problematic for the user.

Therefore, the present invention has been proposed in view of the above-mentioned circumstances, and an object of the present invention is to provide an audio apparatus which can realize a reduction in size of an apparatus even when a plurality of display screens are provided. Aim.

It is another object of the present invention to prevent theft by a third party.

[0013]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, an acoustic device according to the present invention is provided such that a sound means accommodated in a housing and a support member provided in the housing are rotatably mounted. A first display unit provided on a first surface of a panel unit supported and capable of being opened and closed with respect to the front of the housing, and provided on a second surface different from the first surface. A display unit including a second display unit; and an operation input unit provided on the second surface.

In this acoustic device, the display means includes:
A transition is made between a closed state in which the front surface of the housing and the second surface of the panel portion face each other, and an open state in which the second surface of the panel portion is separated from the front surface of the housing; The first display unit is provided at a position visible to a user in the closed state,
The second display unit is provided at a position where the user can visually recognize the second display unit in the open state.

[0015] In such an acoustic device, the first surface or the second surface can be visually recognized by the user by rotating the support member, and the first display portion or the second display portion can be visually recognized. And

[0016]

Embodiments of the present invention will be described below in detail with reference to the drawings.

The present invention is applied to, for example, an on-vehicle acoustic device 1 as shown in FIG.

The on-vehicle acoustic device 1 is connected to a speaker device (not shown), and emits a musical sound by outputting an acoustic signal to the speaker device. The vehicle acoustic device 1 includes a housing 2 and a panel unit 3. In the on-vehicle acoustic device 1, the housing 2 and the panel unit 3 are formed by a panel support rotation mechanism 1.
1, and the panel unit 3 is supported by a panel supporting and rotating mechanism 11.

In the on-vehicle acoustic device 1, the panel portion 3 is opened and closed with respect to the housing 2 by rotating the panel supporting and rotating mechanism 11. Here, FIG. 1 shows the in-vehicle acoustic device 1 when the panel unit 3 is opened by the panel support / rotation mechanism 11, and FIG. 2 shows the panel unit 3 closed by the panel support / rotation mechanism 11. FIG.

In such a vehicle-mounted acoustic device 1, FIG.
As shown in (a), in the power-off state, the other surface 3b of the panel unit 3 and the front surface 2a of the housing 2 are in a closed state where they are arranged to face each other. The on-vehicle acoustic device 1 displays various contents described later on the first display screen 3c as shown in FIG. 3B according to a signal to turn on the power. Further, in accordance with a signal indicating that the vehicle-mounted acoustic device 1 is to be opened, the panel supporting and rotating mechanism 11 is rotationally driven so as to rotate the upper end of the panel unit 3, as shown in FIG. As shown, the front surface 2a of the housing 2 and the other surface 3b of the panel portion 3 are gradually separated. Further, when the panel support / rotation mechanism 11 is driven to rotate, the on-vehicle acoustic device 1 becomes, as shown in FIG.
The front surface 2a of the housing 2 and the other surface 3b of the panel portion 3 are further separated from each other, so that the other surface 3b of the panel portion 3 is in an open state where the user can visually recognize the other surface 3b.

The housing 2 has a size that can be accommodated in a predetermined space in the vehicle. The front surface 2a of the housing 2 is provided with a recording medium insertion unit 21, a recording medium removal operation unit 22, an infrared light receiving unit 23, and a reset button 24 which are visually recognized by a user in the open state shown in FIG.

The recording medium insertion section 21 is used to insert a recording medium such as a tape-shaped recording medium or a disk-shaped recording medium in which an audio signal, accompanying information related to the audio signal, and the like are stored.

A loading mechanism for loading a recording medium inserted by a user and arranging the recording medium at a position where an internal recording / reproducing head is present is provided inside the recording medium insertion section 21.

The recording medium removal operation section 22 generates an operation input signal for removing the recording medium inserted into the recording medium insertion section 21 when pressed by the user.

The loading mechanism removes the recording medium from the recording medium insertion section 21 in accordance with an operation input signal generated when the recording medium removal operation section 22 is pressed.

The infrared light receiving section 23 receives an infrared signal from a remote controller for isolating the on-vehicle acoustic device 1. The infrared light receiving unit 23 receives an infrared signal according to the operation content of the remote controller and generates an operation input signal.

The reset button 24 is a button for initializing the setting state and the like of the on-vehicle audio device 1 in the open state. The reset button 24 generates an operation input signal indicating that the setting state is initialized by being pressed by the user.

The panel section 3 is supported by the panel supporting and rotating mechanism 11, and transitions between a closed state shown in FIG. 2 and an open state shown in FIG. This panel unit 3 is shown in FIG.
In the closed state shown in FIG. 1, one surface 3a is made visible on the front surface 2a side of the housing 2, and in the open state shown in FIG.
Is visible on the front surface 2a side of the housing 2. A second display screen 3d is provided on the other surface 3b of the panel unit 3, and a first display screen 3c is provided on one surface 3a of the panel unit 3.

FIG. 4 shows the transition of the display state of the on-vehicle acoustic device 1. According to FIG. 4, the in-vehicle acoustic device 1 sets the first display screen 3c to a black screen when the power is off (a), and displays text on the first display screen 3c when the power is turned on and the power is turned on. (B), and a character is displayed on the second display screen 3d (c) when opened.

The first display screen 3c has a plurality of display areas as shown in FIG. The first display screen 3c displays each segment which is the minimum display unit, and includes, for example, a character display area 101 for displaying the operation contents and information on the music being reproduced in characters, pictures, and the like, and a graphic display. A graphic display area 102 for performing a sound display, a spectrum display area 103 for displaying a frequency of an audio signal, and a character / graphic display area 104 for displaying a character or a graphic are provided.

As shown in FIG. 5B, the second display screen 3d has a display area 11 smaller than the first display screen 3c.
It has zero. Like the first display screen 3c, the second display screen 3d displays each segment which is the minimum display unit. The second display screen 3d displays only characters displayed in the character display area 101 and the character / graphic display area 104 of the first display screen 3c. Here, the second display screen 3d is composed of a liquid crystal screen having the same structure as the character display area 101.

FIG. 6 shows the structure of one surface 3a of the panel section 3. As shown in FIG. On one surface 3a of the panel unit 3, a reset button 31 operated by a user and an open state button 32 for changing from a closed state to an open state are provided. Further, on one surface 3a, there is provided an infrared light receiving section 33 for receiving an infrared signal from the remote controller when in the closed state. Further, the first display screen 3c described above is provided on one surface 3a.

The reset button 31 is a button for initializing a setting state and the like of the vehicle-mounted acoustic device 1 in the closed state. The reset button 31 generates an operation input signal indicating that the setting state is initialized by being pressed by the user.

The open state button 32 is a button for making a transition from the closed state shown in FIG. 2 to the open state shown in FIG. The open state button 32 drives the panel support rotation mechanism 11 when pressed by the user, and generates an operation input signal indicating that the state changes from the closed state to the open state.

The infrared light receiving section 33 receives an infrared signal from the remote controller in a power-off state or a closed state, and generates an operation input signal corresponding to the operation content of the remote controller.

The first display screen 3c includes, for example, a liquid crystal, an organic EL, a fluorescent indicator tube (F
L) and a display mechanism for presenting various information to the user. The first display screen 3c has a larger screen area than the second display screen 3d provided on the other surface 3b. When the first display screen 3c is made of, for example, liquid crystal, the first display screen 3c is illuminated from behind the display screen by a backlight unit (not shown) to display various contents.

The first display screen 3c displays characters such as characters indicating the operating state of the on-vehicle acoustic device 1 and the contents of the user's operation to the user, characters relating to an acoustic signal to be emitted from the speaker device, and the like. Displays graphics such as images.

FIG. 7 shows the structure of the other surface 3b of the panel section 3,
2 shows a configuration of a front surface 2a of a housing 2. The other side 3 of the panel section 3
b is a power-off button (OFF) 4 operated by the user.
1. Volume control buttons (+,-) 42, display mode switching button (DEPL) 43, source switching button (SOURCE) 44,
Mode transition button (MODE) 45, AF button 46, number designation buttons (1-6) 47, TA button 48, menu button (MEMU) 49, list button (LIST) 50, sound mode switching button (SOUND) 51, OK Button (ENTER)
52, music selection buttons (DISC +, DISC-) 53, fast forward / rewind button 54, bass switch button (D-BASS) 55,
A closing operation button (CLOSE) 56 is provided. Further, a second display screen 3d is provided on the other surface 3b.

The power-off button 41 is used for the on-vehicle audio device 1.
It is provided to turn off the power supply. The power-off button 41 generates an operation input signal indicating that the power is turned off when pressed by the user.

The volume control button 42 is used for the on-vehicle audio device 1.
Is provided for adjusting the sound volume to be emitted in a state where sound is emitted from the speaker device. The volume adjustment button 42 generates an operation input signal indicating that the volume is adjusted by being pressed by the user.

The display mode switching button 43 is provided for changing the display mode of the second display screen 3d. The display mode switching button 43 generates an operation input mode for switching the display mode when pressed by the user.

The source switching button 44 is provided for switching a sound source (source) when sound is emitted from a speaker device connected to the vehicle-mounted acoustic device 1. Here, the sound source includes a broadcast sound source, a tape-shaped recording medium, and a disk-shaped recording medium. The source switching button 44 generates an operation input signal indicating that each of the sound sources is switched when pressed by the user.

The mode transition button 45 is provided for switching the operation mode of the on-vehicle audio device 1. The mode transition button 45 generates an operation input signal indicating that the operation mode is switched by being pressed by the user.

The numeral designation button 47 is provided for designating a number when designating the order of music to be reproduced. The number designation button 47 generates an operation input signal indicating that a number is designated by being pressed by the user.

The menu button 49 is used for the on-vehicle audio device 1.
Is provided for selecting a setting item or the like. When the menu button 49 is pressed by the user, a menu screen is displayed and an operation input signal indicating selection of a menu by the fast forward / rewind button 54 is generated.

The acoustic mode switching button 51 is provided for switching the acoustic frequency mode of the sound emitted from the speaker device. This sound mode switching button 51 is
When a mode is selected by being pressed by the user, an operation input signal indicating that the mode is to be switched is generated.

The determination button 52 is provided for deciding the operation mode of the above-described on-vehicle audio device 1 and various settings of the on-vehicle audio device 1. The determination button 52 generates an operation input signal indicating that the selection is determined by being pressed by the user.

The music selection button 53 is provided for selecting a recording medium to be reproduced from a plurality of recording media stored in a changer or the like (not shown). The music selection button 53 generates an operation signal operation indicating that a recording medium is selected when pressed by the user.

The music selection button 53 is provided to move up and down the cursor display for selecting the content to be set when the above-mentioned operation mode of the on-vehicle acoustic device 1 and various settings are being made. Can be The music selection button 53 causes the cursor display to move up and down when pressed by the user and generates an operation input signal indicating that the display content is to be changed.

The fast-forward / rewind button 54 is provided for selecting a song recorded on a designated recording medium or for performing fast-forward playback and rewind playback within a song being played. The fast-forward / rewind button 54 generates an operation input signal indicating that a song is selected when pressed by the user, and an operation input signal indicating that fast-forward playback or rewind playback is performed.

The bass switch button 55 is provided to switch the emission of low frequency band sound from the speaker device. The bass switch button 55 generates an operation input signal indicating that sound emission in a low frequency band is switched on / off when pressed by a user.

The closing operation button 56 is provided for switching from the open state shown in FIG. 1 to the closed state shown in FIG. The closing operation button 56 generates an operation input signal indicating that the panel supporting / rotating mechanism 11 is driven to be closed by being pressed by the user.

In such an in-vehicle acoustic device 1, the first display screen 3c or the second display screen 3d can be made visible by transitioning between the open state and the closed state. There is no need to provide a plurality of display screens on the surface, and a plurality of display screens can be provided, so that the size of the apparatus can be reduced.

In the on-vehicle acoustic device 1 thus configured, the first display screen 3c may be a black flat screen when the power is not turned on in the closed state shown in FIG. Since the device can be viewed from the outside of the vehicle, the appearance of the device can be made black, and theft can be prevented when the user is not inside the vehicle. In addition, in this in-vehicle acoustic device 1, the first display screen 3c is not limited to black, but may be dark green,
The color may be dark brown or the like, as long as the color does not allow the presence of the device to be visually recognized from outside the vehicle.

Further, according to the on-vehicle acoustic device 1, the infrared receiving section 33 is provided on one surface 3a of the panel section 3 and the infrared receiving section 23 is provided on the front surface 2a of the housing 2. In the closed state, the infrared light receiving section 33 can receive the infrared signal from the remote controller, and in the open state, the infrared light receiving section 23 can receive the infrared signal from the remote controller.

Further, the on-vehicle acoustic device 1 receives an infrared signal from the remote controller by the infrared light receiving section 23 by operating a button or the like corresponding to a power-off button provided on the remote controller.
The first display screen 3c may be a black flat screen.

Next, a functional configuration of the above-described on-vehicle acoustic device 1 will be described with reference to FIG.

As shown in FIG. 8, the on-vehicle audio apparatus 1 includes a control section 71 for controlling the operation of each section, a signal reproducing section 72, an audio output section 73, an operation input section 74, and a display drive section 75.
It is connected and configured above. The on-vehicle acoustic device 1 has a first display 77 corresponding to the first display screen 3c and a second display 7 corresponding to the second display screen 3d.
8 is provided.

The signal reproducing section 72 corresponds to the recording medium inserting section 21, the loading mechanism, and the recording / reproducing head. The signal reproducing unit 72 reproduces various information and audio signals recorded on the recording medium according to a control signal from the control unit 71.

When the user inserts the disk-shaped recording medium 81 and the tape-shaped recording medium 82, the signal reproducing section 72 responds to a control signal from the control section 71 to record the acoustic information recorded on these recording media. And so on. The signal reproducing unit 72 transmits the reproduced sound signal to the bus 7
6 to the sound output unit 73. Further, the signal reproducing unit 72 outputs, to the display driving unit 75, the reproduction time and the accompanying information such as the title of the music indicated by the audio signal in accordance with the control signal from the control unit 71.

The signal reproducing section 72 is connected to a changer device arranged at an arbitrary place in the vehicle, outputs a sound signal read from the changer device to the sound output section 73, and outputs accompanying information. Output to the display drive unit 75.

Further, the signal reproducing section 72 performs a spectrum analysis for detecting the volume of each reproduced audio signal in each frequency band. The signal reproducing unit 72 displays the spectrum on the first display screen 3c by outputting the spectrum analysis result to the display driving unit 75 via the bus 76.

The sound output unit 73 is connected to the speaker device, and according to a control signal from the control unit 71, the signal reproduction unit 7
The sound signal from the speaker device 2 is converted into a signal for driving the speaker device and output to the speaker device to emit sound.

The operation input unit 74 corresponds to various buttons provided on the panel unit 3 described above. This operation input section 74
Generates an operation input signal corresponding to the type of the operated button when detecting that the various buttons are operated by the user. The operation input unit 74 outputs the generated operation input signal to the control unit 71 via the bus 76.

The operation input unit 74 corresponds to the infrared light receiving unit 23 and the infrared light receiving unit 33 provided on the front surface 2a of the housing 2 and the one surface 3a of the panel unit 3. The operation input unit 74 generates an operation input signal indicating the operation content based on the infrared signal from the remote controller, and outputs the operation input signal to the control unit 71.

The first display section 77 corresponds to the first display screen 3c shown in FIG. 5A, and displays a graphic according to the sound signal from the display drive section 75 and the result of spectrum analysis. Characters are displayed according to the content and playback content. The first display unit 77 performs graphic display and character display according to the common signal and the segment signal from the display drive unit 75.

The second display section 78 corresponds to the second display screen 3d shown in FIG. 5B, and displays characters according to the common signal and the segment signal from the display drive section 75.

The display driver 75 receives a control signal, a signal indicating the content of the sound signal emitted from the speaker device, and a signal indicating the content of the operation on the operation input unit 74. The display drive unit 75 outputs a display drive signal to the first display unit 77 and the second display unit 78 based on these signals.

The display drive section 75 includes, as the display drive signal, a segment signal indicating display / non-display for each segment, which is a minimum display unit constituting a display screen, and display / non-display of a predetermined area including a plurality of segments. The common signal shown is generated. The predetermined area indicated by the common signal indicates, for example, an area for displaying one character.

The display drive section 75 generates a display drive signal for graphically displaying the audio content according to the signal indicating the content of the audio signal. Further, the display driving unit 75
Generates a display drive signal for character display of the operation content, the title of the music, the reproduction time, and the like.

As shown in FIG. 9, a first display section 77 and a second display section 78 are connected to such a display drive section 75 in parallel. That is, the display drive unit 75 outputs the common signal C1 and the segment signal S1 indicating the character display content to the second display unit 78, and
Are connected to the first display unit 77 and the second display unit 78 so as to output to the display unit 77. Also, the display drive unit 7
5 is connected so that the common signal C2 and the segment signal S2 indicating the contents of the graphic display are displayed on the first display unit 77.

According to the display drive unit 75, the first display unit 77, and the second display unit 78 having the connection relationship as shown in FIG. 9, the common signal C1 and the segment signal S1 for character display are transmitted to the second display unit. The character display area 101 and / or the character display area 101 are output to both the first display section 77 and the second display section 78.
Or character / graphic display area 104, display area 11
0 is displayed as a character. In addition, the common signal C2 and the segment signal S2 for graphic display
Of the graphic display area 1
02, a graphic is displayed in the character / graphic display area 104 and the spectrum display area 103.

In the on-vehicle acoustic device 1 configured as described above, when displaying characters and graphics on the first display portion 77 and displaying characters on the second display portion 78, the first display portion is used. By performing the processing for displaying on the display 77, the second display unit 78 can be driven at the same time, and there is no need to provide two display driving drivers corresponding to the two display units. Therefore, in the on-vehicle acoustic device 1, two display screens can be driven by a single display driver (display drive unit 75), and the cost of the device can be reduced.

In the on-vehicle acoustic device 1, the two display screens are simultaneously driven by the display driver (display drive unit 75). One of the backlights is turned on and the other is turned off. Only one of them can be displayed.

Further, according to the on-vehicle acoustic device 1, even when a plurality of display sections are provided, the display apparatus can be driven by a single display driver, so that the size can be reduced, and the apparatus can be installed in a vehicle. It can be easily accommodated in a limited installation space.

Further, according to the on-vehicle acoustic device 1, in the closed state, the operation content is displayed as a character on the large first display screen 3c, and the frequency characteristics and the like of the acoustic information are graphically displayed. Thus, even if the first display screen 3c is not visible to the user, the operation contents of various buttons can be displayed on the second display screen 3d. Therefore, according to the on-vehicle acoustic device 1, the first
Although the display screen 3c and the second display screen 3d are provided on different surfaces, the convenience for the user can be improved.

In this embodiment, an example is described in which the present invention is applied to an in-vehicle audio device. However, the present invention is also applicable to an in-vehicle audio / video apparatus that handles video signals. It can also be applied to electronic devices.

[0078]

As described in detail above, the audio equipment according to the present invention is supported by the support member provided on the housing,
A first display portion provided on a first surface of a panel portion which is openable and closable with respect to the front of the housing; and a second display provided on a second surface different from the first surface. Display means comprising a first display portion or a second display portion, wherein the first surface or the second surface can be visually recognized by a user by rotating the support member.
Can be made visible, so that it is not necessary to provide a plurality of display screens on a single surface, a plurality of display screens can be provided, and the size of the device can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vehicle-mounted acoustic device to which the present invention is applied when a panel portion is in an open state.

FIG. 2 is a perspective view of a vehicle-mounted acoustic device to which the present invention is applied when a panel portion is in a closed state.

FIG. 3A is a diagram showing a stopped state in a closed state, and FIG. 3B is a diagram showing that various contents are displayed on a first display screen according to a signal to turn on the power. FIG. 7C is a diagram illustrating a state where the panel support mechanism is performing a signal in response to a signal indicating that the vehicle is in the open state, and FIG.

FIG. 4A is a diagram showing that a first display screen is set to a black screen in a power-off state, and FIG. 4B is a view showing the first display screen when the power is turned on and the power is turned on. It is a diagram showing that character display and image display,
(C) is a diagram showing that a character is displayed on a second display screen when the character is opened.

5A is a diagram illustrating a display area of a first display screen, and FIG. 5B is a diagram illustrating a display area of a second display screen.

FIG. 6 is a front view showing a configuration of one surface of a panel portion of the vehicle-mounted acoustic device to which the present invention is applied.

FIG. 7 is a plan view showing the configuration of the other surface of the panel unit of the vehicle-mounted acoustic device to which the present invention is applied.

FIG. 8 is a block diagram showing a functional configuration of a vehicle-mounted acoustic device to which the present invention is applied.

FIG. 9 is a block diagram showing a connection relationship among a display drive unit, a first display unit, and a second display unit which constitute the on-vehicle audio device to which the present invention is applied.

[Explanation of symbols]

1 audio equipment for vehicle, 3 panel part, 3a one side, 3
b other surface, 3c first display screen, 3d second display screen, 11 panel support mechanism, 23 infrared light receiving section, 3
2 button for open state, 33 infrared light receiving section, 56 closing operation button, 71 control section, 72 signal reproduction section, 73 sound output section, 74 operation input section, 75 display drive section, 77
1st display section, 78 2nd display section, 101 character display area, 102 graphic display area, 103
Spectrum display area, 104 characters / graphics display area, 110 display area

Claims (7)

[Claims] 1. An acoustic means housed in a housing, and rotatably supported by a support member provided in the housing,
A first display unit provided on a first surface of a panel unit which is openable and closable with respect to the front of the housing, and a second display unit provided on a second surface different from the first surface. A display unit having a display unit; and an operation input unit provided on the second surface, wherein the display unit has a front surface of the housing and a second portion of the panel unit.
And the open state in which the second surface of the panel unit and the front surface of the housing are separated from each other. The first display unit is used in the closed state. A sound device provided at a position visible to a user, wherein the second display unit is provided at a position visible to a user in the open state. 2. A first light receiving unit provided on a first surface of the panel unit and receiving an operation signal from a remote operation unit;
A second light receiving unit that is provided on a front surface of the housing and receives an operation signal from the remote operation unit; and in the closed state, the first light receiving unit receives an operation signal by the first light receiving unit. 2. The acoustic device according to claim 1, wherein the display on the display unit is changed, and in the open state, the operation signal is received by the second light receiving unit to change the display on the second display unit. 3. The acoustic device according to claim 1, wherein the first surface is a dark flat surface in the closed state. 4. The audio apparatus according to claim 3, wherein the first surface is the dark flat surface in response to an operation of the operation input unit or an operation signal from the remote operation unit. 5. A recording medium insertion portion provided on a front surface of the housing at a position visible in the open state and into which a recording medium reproduced by the acoustic means is inserted. Item 3. The acoustic device according to Item 1. 6. The first display section has a graphic display area for displaying graphics and a character display area for displaying characters, and the second display section has a character display area for displaying characters. The acoustic device according to claim 1, wherein: 7. The first display unit displays a graphic based on an audio signal reproduced by the audio unit and a character based on an operation input signal generated by operating the operation input unit. Along with
The acoustic device according to claim 1, wherein a character based on an operation input signal generated by operating the operation input means is displayed on the second display unit.