KR20150141827A - Control apparatus for changing the screen and audio of audio system, video system, and navigation system - Google Patents

Control apparatus for changing the screen and audio of audio system, video system, and navigation system Download PDF

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Publication number
KR20150141827A
KR20150141827A KR1020140070371A KR20140070371A KR20150141827A KR 20150141827 A KR20150141827 A KR 20150141827A KR 1020140070371 A KR1020140070371 A KR 1020140070371A KR 20140070371 A KR20140070371 A KR 20140070371A KR 20150141827 A KR20150141827 A KR 20150141827A
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South Korea
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mode
media
audio
video
input
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KR1020140070371A
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Korean (ko)
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황은석
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주식회사 티노스
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Priority to KR1020140070371A priority Critical patent/KR20150141827A/en
Priority to PCT/KR2014/009216 priority patent/WO2015190652A1/en
Priority to CN201480076772.1A priority patent/CN106062875A/en
Priority to US14/707,687 priority patent/US9302622B2/en
Publication of KR20150141827A publication Critical patent/KR20150141827A/en

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Navigation (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

The present invention relates to an apparatus for controlling a screen of an AVN system and audio change. According to the present invention, criteria for an AVN screen and audio change are defined to enable a user to easily recognize and intuitively understand. Screen transition occurs in a media mode and a media mode screen is not displayed in a non-media mode. Therefore, a user, who wants to watch a screen, can select the media mode. If a current mode is a rear side parking mode, screen transition does not occur even if a user selects the media mode or the non-media mode so that the user can safely park a vehicle while watching a rear side parking screen. Icons of modes that the user more frequently uses such as a radio mode, a USB mode, a DTV mode, a DVD mode, a music mode, a photo mode, and a video mode are arranged and displayed on a front side. Icons of modes that the user less frequently uses or cannot use while driving such as a Bluetooth mode, an iPod mode, and a DMB mode are arranged on a back side, thereby increasing convenience for the user.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a screen and an audio change control apparatus for an AVN system,

The present invention relates to a screen and an audio change control apparatus of an AVN system, and more particularly to an AVN system and an audio change control apparatus which define a standard for an AVN screen and an audio change but can be understood easily and intuitively by a user, Since the media mode screen is not displayed between non-media modes, the media mode is selected for the user who wants to view the screen. If the current mode is the rear parking mode, the screen transition does not occur even if the user selects the media mode or the non- The user can safely park the vehicle while viewing the rear parking screen and can display a screen icon corresponding to the driver in a relatively frequently used mode such as a radio mode, a USB mode, a DTV mode, a DVD mode, a Music mode, Is displayed on the front side, And more particularly to a screen and an audio change control apparatus of an AVN system which improves user convenience by disposing a screen icon corresponding to a Bluetooth mode, an iPod mode, or a DMB mode, which is relatively low in frequency of use or can not be used during driving, .

2. Description of the Related Art Generally, an AVN (Audio Vedio Navigation) system is an automotive multimedia system in which an audio system, a video system, and a navigation system are integrated into one unit. The development of the AVN system provides convenience to users in manipulating various multimedia devices and enables efficient utilization of the space inside the vehicle.

Typically, the AVN system is driven by a vehicle power source, which is transmitted from a vehicle cigar jack via a power cable. The AVN system performs an operation of disconnecting the power source cable from the vehicle cigar jack to terminate the system when the vehicle power source is not input or when the end operation signal is input by the user.

Conventionally, the AVN system is implemented independently for each manufacturer, and each AVN system has a screen transition and an operation structure which are inconsistent in screen transition and operation and can not be intuitively used by a user. In addition, the conventional AVN system has a disadvantage that it is inconvenient as a screen icon arrangement not considering the frequency of use.

Korean Patent Publication No. 10-2007-0020697 (published Feb. 22, 2007)

The present invention has been proposed in order to solve the above problems. The present invention provides a screen and an audio change control apparatus of an AVN system which can easily understand and intuitively understand the AVN screen and the criteria for changing the audio. It has its purpose.

It is another object of the present invention to provide an AVN system screen and an audio change control method for providing a convenience of selecting a media mode to a user who wants to view a screen since a screen transition occurs between media modes and a media mode screen is not displayed between non- And to provide a device.

Another object of the present invention is to provide a screen and an audio change control apparatus of an AVN system in which a screen transition does not occur even if a user selects a media mode or a non-media mode when the current mode is the back parking mode.

Another object of the present invention is to display and display a screen icon corresponding to a relatively frequently used mode such as a radio mode, a USB mode, a DTV mode, a DVD mode, a Music mode, a photo mode, and a video mode on the basis of a driver , And a screen icon and audio change control device of the AVN system which improves user convenience by disposing a screen icon corresponding to a Bluetooth mode, an iPod mode, or a DMB mode, which is relatively unusable in use frequency or running, for example, It has its purpose.

According to an aspect of the present invention, there is provided an AVN system screen and audio change control apparatus including a plurality of media buttons for selecting a media mode, a plurality of toggle buttons for selecting a toggle mode, An input unit including a plurality of sustain buttons for selecting a sustain mode and a toggle botton; When a first media mode selection signal is input from an input unit, video or audio corresponding to a first media mode is reproduced, and when a first toggle mode selection signal is input from an input unit, video corresponding to a first toggle mode is reproduced, And a control unit for reproducing video or audio corresponding to the first sustain mode when the first sustain mode selection signal is input.

According to a characteristic aspect of the present invention, when the second toggle mode selection signal is input from the input unit in a state that the current mode is the first media mode, the controller stores the first media mode as a past mode, And when a toggle mode selection signal of a plurality of toggle modes is inputted from the input unit, the controller checks the past mode and outputs the first Play the video corresponding to the media mode,

Wherein when a second sustain mode selection signal is input from the input unit in a state that the current mode is the first media mode, the first media mode is stored as a past mode, the audio signal of the first media mode is muted, Video or audio corresponding to the sustain mode is reproduced, and when one of the plurality of sustain mode selection signals is input from the input unit, video or audio corresponding to the selected sustain mode is reproduced.

According to a further aspect of the present invention, when the second media mode selection signal is input from the input unit in a state that the current mode is the first media mode, the control unit stores the first media mode as the first past mode, The second media mode is set to the second past mode and the second media mode is set to the second media mode when the third toggle mode selection signal is input from the input unit, Mute the audio signal of the third toggle mode, and reproduces the video corresponding to the third toggle mode,

When the toggle mode selection signal of the plurality of toggle modes is input from the input unit, it is determined whether the video corresponding to the second media mode confirmed as the second past mode can be played back by checking the first and second past modes If the determination is affirmative, the video corresponding to the second media mode is reproduced. If the determination is negative, it is determined whether the video corresponding to the first media mode confirmed to be the first past mode can be reproduced.

According to another additional aspect of the present invention, when the second media mode selection signal is input from the input unit in a state that the current mode is the first media mode, the controller stores the first media mode as the first past mode, The second media mode is stored in the second past mode and the second media mode is stored in the second media mode when the third sustain mode selection signal is input from the input unit, And then reproduces video or audio corresponding to the third sustain mode,

When the second media mode selection signal is input from the input unit, it is determined whether the video or audio corresponding to the second media mode can be reproduced after checking the first and second past modes. If the determination is affirmative, And determines whether the video or audio corresponding to the first media mode confirmed to be the first past mode can be reproduced if it is negative.

According to another additional aspect of the present invention, when a rear parking mode signal is inputted from the parking assist device, the controller reduces the audio volume of the current mode, reproduces the video signal input from the parking assist device, Which is higher than the audio volume of the current mode.

According to the above configuration, the screen and audio change control device of the AVN system includes a plurality of media buttons for selecting a media mode, a plurality of toggle buttons for selecting a toggle mode, And a control unit adapted to perform a screen and audio change operation according to a media mode selection signal, a toggle mode selection signal, and a sustain mode selection signal, There is a useful effect that defines the criteria but is easy for the user to understand and intuitively understand.

Also, according to the present invention, when the current mode is the rear parking mode, the screen transition does not occur even if the user selects the media mode or the non-media mode, so that the user can safely park the vehicle while watching the rear parking screen.

In addition, the present invention displays a screen icon corresponding to a relatively frequently used mode, for example, a radio mode, a USB mode, a DTV mode, a DVD mode, a Music mode, a photo mode and a video mode, For example, Bluetooth mode, iPod mode, and DMB mode, which are not available during running, can be rearranged to enhance user convenience.

1 is an exemplary diagram for explaining an AVN system according to the present invention.
2 is an exemplary diagram showing the configuration of a screen and audio change control apparatus of an AVN system according to the present invention.
3 to 6 are diagrams for explaining the operation of the screen and audio change control apparatus of the AVN system according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout.

As shown in FIG. 1, the AVN system 10 according to the present invention can be embedded in a vehicle so that the user can not easily detach and attach the AVN system 10. As another example, the AVN system 10 according to the present invention may be implemented so that a user can easily detach and attach the AVN system 10. The AVN system 10 includes a display device 11 including a touch screen and a display device capable of displaying text, video, and photographs. In addition, the VN system 10 includes an input device 12 including a plurality of hard keys for receiving a user's operation command and lights installed around each hard key.

2, the AVN system includes a speed sensing unit 110, an input unit 120, a navigation device 130, and a controller 130. The AV system includes a speed sensing unit 110, an input unit 120, a navigation device 130, An audio / video device 140, an audio processing unit 150, a speaker 160, and a display unit 170. The speed sensing unit 110 senses the speed of the vehicle and outputs the vehicle speed information SPD to the navigation device 130. [

The input unit 120 includes a plurality of media buttons for selecting a media mode, a plurality of toggle buttons for selecting a toggle mode, and a plurality of sustain buttons for selecting a sustain mode. The media button is a hard key for selecting media modes including iPod mode, DTV mode, DVD mode, Music mode, Photo mode, Radio mode, and Video mode. For example, the input unit 120 may be implemented with a soft key for media mode selection.

Toggle botton is a hard key that allows you to toggle between INFO mode, HOME mode, and CLIMATE mode. For example, the input unit 120 may be implemented with a soft key for toggle mode selection. The Sustain botton is a hard key for selecting the sustain mode including the MAP (DEST, ROUTE) mode, the Phone mode, and the Setup mode. For example, the input unit 120 may be implemented with a soft key for selecting the sustain mode.

A plurality of media buttons for selecting a media mode, a plurality of toggle buttons for selecting a toggle mode, and a plurality of sustain buttons for selecting a sustain mode, High-order mode. When the input unit 120 is implemented with a soft key, a plurality of media modes, a plurality of toggle modes, and a plurality of sustain modes are displayed so that the screen icons are arranged in the order of the highest frequency of use .

The navigation device 130 includes a GPS (Global Positioning System) receiver 131, a map data DB 132, and a navigation control unit 133. The GPS receiver 131 receives the GPS satellite signal and outputs it to the navigation controller 133. The map data DB 132 stores map data. The navigation control unit 133 calculates the current position based on the GPS satellite signal. The navigation control unit 133 operates in the navigation mode in response to the mode selection signal received from the input unit 120. [ The navigation control unit 133 outputs video data including a map screen indicating the current position or a path to a destination selected by the user to the display unit 170 and transmits the guidance audio data related to the video data to the audio processing unit (150).

The audio / video device 140 includes a tuner 141, an audio player 142, a video player 143, a controller 144, and a volume controller 145. In response to the broadcast selection signal received from the control unit 144, the tuner unit 141 receives any one of a plurality of radio frequency signals, and based on the received radio frequency signal, .

The audio reproducing unit 142 operates in response to a mode control signal received from the control unit 144 or detects insertion of the audio storage medium and reads the reproduction audio data from the audio storage medium, . The video reproducing unit 143 operates in response to a mode control signal received from the control unit 144 or detects that the video storage medium is inserted and reads the reproduced audio data and the reproduced video data from the video storage medium And outputs it to the navigation 144.

The control unit 144 may operate in the radio mode, for example, in response to the mode selection signal MSEL1 received from the input unit 120. [ In the radio mode, the controller 144 outputs a broadcast selection signal to the tuner 141 in response to the input signals, and outputs the broadcast audio data received from the tuner 141 to the audio processor 150. The control unit 144 may operate in the Music mode, for example, in response to the mode selection signal received from the input unit 120. [ The control unit 144 outputs the mode control signal MCTL1 to the audio playback unit 142 and outputs the playback audio data received from the audio playback unit 142 to the audio processing unit 150. [

The control unit 144 may operate in the Video mode, for example, in response to the mode selection signal received from the input unit 120. [ In the video mode, the control unit 144 outputs a mode control signal to the video playback unit 143, and outputs the playback audio data received from the video playback unit 143 to the audio processing unit 150. [ The control unit 144 outputs the playback video data received from the video playback unit 143 to the display unit 170. [

The volume control unit 145 outputs a mute cancel signal to the audio processing unit 150 in response to the audio control signal received from the control unit 144. [ The audio processing unit 150 converts the broadcast audio data received from the controller 144 into a broadcast audio signal and outputs the converted broadcast audio signal to the speaker 160. The audio processing unit 150 stops the output operation of the broadcast audio signal to the speaker 160 upon receiving the mute setting signal from the volume control unit 145 while outputting the broadcast audio signal to the speaker 160. [ Thereafter, when the audio processing unit 150 receives the mute cancel signal from the volume control unit 145, the audio processing unit 150 resumes outputting the broadcast audio signal to the speaker 160.

The volume control unit 145 outputs a volume attenuation signal to the audio processing unit 150 or a volume recovery signal to the audio processing unit 150. Upon receiving the volume reduction signal, the audio processing unit 150 attenuates the volume of the broadcast audio signal output to the speaker 160 to a predetermined value, and when receiving the volume recovery signal, Recovers the volume to its previous volume value.

The audio processor 150 converts the reproduced audio data received from the controller 144 into a reproduced audio signal and outputs the reproduced audio signal to the speaker 160. The audio processor 150 converts the reproduced audio data received from the controller 144 into a reproduced audio signal, . The audio processing unit 150 converts the audio guidance data received from the navigation control unit 133 into a guidance audio signal and outputs the audio signal to the speaker 160. [

The display device 170 displays a map screen based on the video data received from the navigation control unit 133. [ The display device 170 displays a screen related to the radio mode operation of the audio device 140 based on the video data received from the controller 144 in the radio mode. The display device 170 displays a screen related to the audio mode operation of the audio device 140 based on the video data received from the control unit 144 in the audio mode. The display device 170 displays the playback video screen based on the playback video data received from the control unit 144 in the video mode.

According to a characteristic aspect of the present invention, when the first media mode selection signal is input from the input unit 120, the controller 144 reproduces video or audio corresponding to the first media mode, When the mode selection signal is input, the video corresponding to the first toggle mode is reproduced. When the first sustain mode selection signal is input from the input unit 120, the video or audio corresponding to the first sustain mode is reproduced.

3, when the second toggle mode (for example, the CLIMATE mode) selection signal is input from the input unit in a state where the current mode is the first media mode (for example, the DVD mode) 1 media mode is stored in the past mode, the audio signal of the first media mode is muted (step 21), and the video corresponding to the second toggle mode is played back (step 22). If any of the toggle mode selection signals is input from the input unit, the control unit 144 checks the past mode and reproduces the video corresponding to the first media mode identified as the past mode (step 23).

That is, even if the user does not memorize the past mode, the screen and audio change control apparatus 100 of the AVN system according to the present invention executes the past mode only by pressing any toggle button among the plurality of toggle buttons. For example, if the producer does not want to execute the past mode, the producer may implement the AVN system's screen and audio change control device 100, for example, by pressing a reset button and executing the desired media mode or toggle mode. Here, the reset button may be a sustain button.

3, the control unit 144 checks whether the audio volume ON signal is input because the past mode is an audio signal mute. When the audio volume ON signal is input Step 24) Turn on the audio volume. In FIG. 3, when the first media mode selection signal is input from the input unit in the second toggle mode, the controller 144 reproduces video or audio corresponding to the first media mode (step 25).

4, when the second sustain mode (e.g., Photo mode) selection signal is input from the input unit in a state where the current mode is the first media mode (e.g., DVD mode) The first media mode is stored in the past mode and the audio signal of the first media mode is muted (step 31), and video or audio corresponding to the second sustain mode is reproduced (step 32). If any of the toggle mode selection signals is input from the input unit, the control unit 144 checks the past mode and reproduces the video corresponding to the first media mode identified as the past mode (step 33).

4, since the past mode is the audio signal mute, the control unit 144 checks whether the audio volume ON signal is input. When the audio volume ON signal is inputted Step 24) Turn on the audio volume. 3, when the first media mode selection signal is input from the input unit in the second sustain mode, the controller 144 reproduces video or audio corresponding to the first media mode (step 35).

5, when the second media mode selection signal is input from the input unit in a state where the current mode is the first media mode, the controller 144 stores the first media mode as the first past mode, (Step 41) and reproduces video or audio corresponding to the second media mode (step 42). If the third toggle mode selection signal is input from the input unit, the control unit 144 stores the second media mode in the second past mode and mutes the audio signal in the second media mode (step 43) (Step 44).

If any of the toggle mode selection signals of the plurality of toggle modes is input from the input unit, the control unit 144 can check the first and second past modes and reproduce the video corresponding to the second media mode confirmed as the second past mode If the determination result is affirmative, the video corresponding to the second media mode is reproduced (step 45). If it is negative, it is determined whether a video corresponding to the first media mode confirmed as the first past mode can be played back. If the determination result is affirmative, the video corresponding to the first media mode is reproduced (step 46).

5, when the second media mode selection signal is input from the input unit in a state where the current mode is the first media mode, the controller 144 stores the first media mode as the first past mode, Mute the audio signal of the second media mode (step 51) and then reproduce video or audio corresponding to the second media mode (step 52). When the third sustain mode selection signal is input from the input unit, the controller 144 stores the second media mode as the second past mode, and mutes the audio signal of the second media mode (step 53) (Step 54).

If any of the toggle mode selection signals of the plurality of toggle modes is input from the input unit, the control unit 144 can check the first and second past modes and reproduce the video corresponding to the second media mode confirmed as the second past mode If the determination result is affirmative, the video corresponding to the second media mode is reproduced (step 55). If it is negative, it is determined whether a video corresponding to the first media mode confirmed as the first past mode can be played back. If the determination result is affirmative, the video corresponding to the first media mode is reproduced (step 56).

2, the controller 144 reduces the audio volume of the current mode when the rear parking mode signal is input from the parking assist device 210, reproduces the video signal input from the parking assist device 210 The audio volume of the rear parking mode may be increased to be larger than the audio volume of the current mode.

For example, the parking assist device 210 receives the position information of the gear from the gear position sensor and operates the ultrasonic sensor positioned forward or backward according to the position of the gear. For example, when the position of the gear is the backward position, the parking assist device 210 operates the rear camera and the rear ultrasonic sensor, and transmits the video signal photographed by the rear camera to the audio / video device 140, And outputs a sensing signal.

The control unit 144 outputs the rear parking mode signal to the audio reproducing unit 142 and the video reproducing unit 143. [ The video reproducing unit 143 reproduces the video signal input from the parking assist device 210 and provides the video signal to the control unit 144. The control unit 144 outputs the video signal reproduced by the display unit 170. [ The audio playback unit 142 generates a warning signal based on the ultrasonic sensing signal input from the parking assist device 210 and provides the warning signal to the controller 144. [

The control unit 144 outputs an alarm signal to the audio processing unit 150. The controller 144 controls the audio processor 150 to reduce the volume of the audio signal in the mode prior to the rear parking mode and increase the volume of the warning signal.

While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined only by the appended claims.

Claims (5)

An input unit including a plurality of media buttons for selecting a media mode, a plurality of toggle buttons for selecting a toggle mode, and a plurality of sustain buttons for selecting a sustain mode;
When a first media mode selection signal is input from the input unit, video or audio corresponding to the first media mode is reproduced, and when a first toggle mode selection signal is input from the input unit, a video corresponding to the first toggle mode is reproduced And a control unit for reproducing video or audio corresponding to the first sustain mode when the first sustain mode selection signal is input from the input unit,
Wherein the control unit comprises:
When the second toggle mode selection signal is input from the input unit in a state that the current mode is the first media mode, the first media mode is stored in the past mode and the audio signal of the first media mode is muted, 2 toggle mode, and when a toggle mode selection signal of the plurality of toggle modes is inputted from the input unit, the controller checks a past mode and outputs a video corresponding to the first media mode identified as the past mode Playback,
When a second sustain mode selection signal is input from the input unit in a state that the current mode is the first media mode, the first media mode is stored as a past mode, the audio signal of the first media mode is muted, Reproducing the video or audio corresponding to the second sustain mode and reproducing the video or audio corresponding to the selected sustain mode when any one of the plurality of sustain mode selection signals is input from the input unit,
And the audio change control device of the AVN system. The method according to claim 1,
Wherein the control unit comprises:
When the second media mode selection signal is input from the input unit in a state where the current mode is the first media mode, the first media mode is stored in the first past mode and the audio signal in the first media mode is muted The second media mode is stored in the second past mode and the audio signal in the second media mode is muted when the third toggle mode selection signal is input from the input unit, Mute, and reproduce video corresponding to the third toggle mode,
If any of the toggle mode selection signals of the plurality of toggle modes is input from the input unit, it is possible to check the first and second past modes to reproduce video corresponding to the second media mode confirmed as the second past mode Determining whether the video corresponding to the first media mode can be reproduced if the determination is affirmative; if the determination is negative,
And the audio change control device of the AVN system. The method according to claim 1,
Wherein the control unit comprises:
When the second media mode selection signal is input from the input unit in a state where the current mode is the first media mode, the first media mode is stored in the first past mode and the audio signal in the first media mode is muted And a control unit for reproducing the video or audio corresponding to the second media mode and storing the second media mode as the second past mode when the third sustain mode selection signal is inputted from the input unit, And then reproduces video or audio corresponding to the third sustain mode after mute,
Wherein when the second media mode selection signal is input from the input unit, it is determined whether the video or audio corresponding to the second media mode can be reproduced after checking the first and second past modes. If the determination is affirmative, Mode or a video or audio corresponding to a first media mode confirmed to be in the first past mode if it is negative;
And the audio change control device of the AVN system. The method according to claim 1,
Wherein the control unit comprises:
When the rear parking mode signal is input from the parking assist device, the audio volume of the current mode is reduced, the video signal inputted from the parking assist device is reproduced, and the audio volume of the rear parking mode is increased to be larger than the audio volume of the current mode,
And the audio change control device of the AVN system. The method according to claim 1,
The plurality of media modes include an iPod mode, a DTV mode, a DVD mode, a Music mode, a Photo mode, a Radio mode, and a Video mode,
Wherein the plurality of toggle modes includes an INFO mode, a HOME mode, and a CLIMATE mode,
The plurality of sustain modes include a DEST, ROUTE (MAP) mode, a Phone mode, and a Setup.
Wherein the plurality of media modes, the plurality of toggle modes, and the sustain modes are displayed by arranging the screen icons in the order of the highest frequency of use on the basis of the driver,
And the audio change control device of the AVN system.
KR1020140070371A 2014-06-10 2014-06-10 Control apparatus for changing the screen and audio of audio system, video system, and navigation system KR20150141827A (en)

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Application Number Priority Date Filing Date Title
KR1020140070371A KR20150141827A (en) 2014-06-10 2014-06-10 Control apparatus for changing the screen and audio of audio system, video system, and navigation system
PCT/KR2014/009216 WO2015190652A1 (en) 2014-06-10 2014-09-30 Device for controlling change of screen and audio of avn system
CN201480076772.1A CN106062875A (en) 2014-06-10 2014-09-30 Device for controlling change of screen and audio of AVN system
US14/707,687 US9302622B2 (en) 2014-06-10 2015-05-08 Control device for changing screen and audio of AVN system based on mode of vehicle

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