JP2004132741A - Navigation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To display a simply-operable operation menu necessary for an audio operation on a display screen during the navigation in operation. <P>SOLUTION: When an SRC key of an operation input part 5 is pushed down during a display time of a navigation screen shown in figure (a), a CPU 1 displays an operation menu bar α on the the navigation screen lower end and displays a status bar β on the the navigation screen upper end (figure (b)) as an audio mini menu corresponding to MP3. When an enter key of the operation menu bar α is touched within five seconds after the audio mini menu shown in the figure (b) is displayed, the CPU 1 displays additional information (a track number, a reproduction time, a title, an artist name, a folder name, a file name or the like) of the audio source (MP3) corresponding to the enter key on the whole screen of a monitor display part 61. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a navigation device.
[0002]
[Prior art]
2. Description of the Related Art In recent years, navigation devices mounted on vehicles and providing route guidance to destinations have become widespread. Recently, an audio device for performing TV broadcasting, CD reproduction, MD reproduction, and the like can be mounted on a vehicle. Accordingly, various methods for controlling an audio device mounted on a vehicle have been proposed (for example, see Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 2000-036153
[Problems to be solved by the invention]
However, a conventional audio device mounted on a vehicle has a configuration in which operation keys for controlling an audio operation are mechanically or physically attached to a housing of the audio device (hereinafter, referred to as hard key buttons). Therefore, there is a problem that the size of the display panel is limited in order to secure a space for key arrangement. Particularly, in a navigation device having an audio playback function (Patent Document 1), since an operation key for audio is arranged in addition to an operation key for navigation, the number of keys increases, and it is difficult for the user to operate the keys. Operability problem.
[0005]
An object of the present invention is to provide a navigation device capable of displaying an easily operable operation menu required for an audio operation on a display screen during a navigation operation.
[0006]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention is a navigation device that has an audio playback function and displays guide map information on a screen of a display unit to perform route guidance,
An operation input unit for instructing the display of an operation menu for controlling the audio operation, and when there is a display instruction of the operation menu by the operation input unit, a predetermined size of the guide map information displayed on the display unit is displayed. It is characterized by comprising a display control unit for displaying an operation menu screen, and an audio operation control unit for controlling an audio operation in accordance with an operation on the operation menu displayed by the display control unit.
[0007]
Further, in the present invention, it is preferable that an instruction to display an operation menu by the operation input unit is performed by operating a key button formed on a housing of the display unit.
[0008]
Further, in the present invention, the display control unit further includes a timer unit that measures a predetermined time after the operation menu is displayed, and when the operation menu is not operated within the predetermined time after the operation menu is displayed, the display unit displays the display. It is preferable that the control unit terminates the display of the operation menu.
[0009]
Further, in the present invention, the operation menu includes a key display for instructing display of information on an audio operation, and when the key display is operated within the predetermined time after the operation menu is displayed, the audio menu is displayed. It is preferable to include a full-screen display control unit that causes the display unit to display information about the operation on the full screen.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
First, the configuration will be described.
[0011]
FIG. 1 is a block diagram showing a main part configuration of a navigation device 100 according to an embodiment of the present invention. As shown in FIG. 1, the navigation device 100 includes a CPU (Central Processing Unit) 1, a storage unit 2, a memory 3, a timer unit 4, an operation input unit 5, an operation display unit 6, a navigation unit 7, a TV (Television) unit. 8, an HD (Hard Disk) unit 9, a decoder unit 10, a speaker unit 11, and the like.
[0012]
The CPU 1 cooperates with various control programs stored in the storage unit 2, that is, control programs such as control, display control, audio operation control, and full-screen display control of each unit of the navigation device 100 according to the present invention. Perform overall control. Hereinafter, the details of each control operation will be described.
[0013]
The CPU 1 matches the current position of the vehicle with the road shape of the map data based on the information output from the navigation unit 7 and the map information data stored in the storage unit 2, and displays the map screen on the monitor display unit 61. Is displayed, and the current position of the vehicle is displayed on the map screen (hereinafter, this combined display screen is referred to as a navigation screen).
[0014]
When an operation signal of an SRC key (audio source switching key) of the operation input unit 5 is input while the navigation screen or the TV screen is displayed on the monitor display unit 61, the CPU 1 displays the navigation screen. An audio mini-menu is displayed on a TV or TV screen (see FIG. 2).
[0015]
Here, the audio mini menu is a menu whose display is simplified to control the audio operation. As shown in FIG. 2B, an audio mini menu as an example of displaying such a menu as a bar includes an operation menu bar α indicating an operation menu of an audio source and a status bar β indicating a state of the audio source. Is done.
[0016]
The operation menu bar α includes operation keys such as a reproduction key and a forward / backward skip key, and an entertainment (entertainment) key 12 indicating a currently set audio source. The enter key 12 is for instructing display of information on a corresponding audio operation.
[0017]
The status bar β displays the track number and playback time of the song to be played when the music is played. In the case of a television broadcast, a channel or a television station name is displayed. In the present embodiment, MP3 data (described later) and television broadcasting are handled as audio sources, but the type of audio source is not particularly limited. For example, it may be audio data recorded on a recording medium on a radio broadcast, a CD, an MD, a DVD, or the like.
[0018]
The display time of the audio mini menu is measured by the timer unit 4. When the operation signal of the enter key 12 in the operation menu bar α is input during the display of the audio mini-menu, the CPU 1 causes the monitor display section 61 to display the information on the corresponding audio source on the full screen (FIG. 3 ( b)). For example, when the audio source is MP3 data, the monitor display unit 61 displays tag information added to the MP3 data as information on the audio source.
[0019]
If the operation keys in the operation menu bar α or the operation keys of the operation input unit 5 are not operated even after the predetermined display time has elapsed, the CPU 1 outputs an instruction to delete the display of the audio mini menu. .
[0020]
Further, when the operation signal of the SRC key of the operation input unit 5 is input during the display of the audio mini menu, the CPU 1 deletes the display of the currently displayed audio mini menu and changes the audio mini menu of another audio source. Display.
[0021]
When an operation key in the operation menu bar α is touched, the CPU 1 controls an audio operation according to the operation. For example, when the reproduction key in the operation menu bar α is touched, the CPU 1 starts the reproduction of the music having the track number indicated in the status bar β.
[0022]
The storage unit 2 has a recording medium (not shown) in which programs, data, and the like are stored in advance. The recording medium stores various control programs executed by the CPU 1 and data used when executing these control programs. And so on. In addition, the storage unit 2 stores map information data necessary for the route guidance of the vehicle.
[0023]
The memory 3 temporarily stores, in a work memory, various control programs executed by the CPU 1, input data, and various data such as processing results in the program execution processing.
[0024]
The timer unit 4 sets a timer value (for example, 5 seconds) according to a control signal from the CPU 1 and counts an elapsed time from the time when the timer value is set, and when the elapsed time reaches the timer value. Then, an end signal for notifying that the timing has ended is output to the CPU 1.
[0025]
The operation input unit 5 includes various keys for specifying a navigation operation and the like, and hard key buttons such as an SRC (Source) key for displaying an audio mini menu and instructing switching of an audio source. An operation signal from the operation is output to the CPU 1. Here, the hard key button refers to a key button configured to be physically attached to the housing of the operation display unit 6 of the navigation device 100. The operation input unit 5 may include an input device such as a remote controller.
[0026]
The operation display unit 6 includes a monitor display unit 61 and a touch panel 62. The monitor display unit 61 is configured by an LCD (Liquid Crystal Display) or the like, and performs necessary display processing according to a display signal input from the CPU 1.
[0027]
The touch panel 62 is provided so as to overlap the display screen of the monitor display unit 61 so as to cover the display screen. Is output to the CPU 1 as a position signal.
[0028]
The navigation unit 7 includes a GPS (Global Positioning Systems) unit, an autonomous navigation unit, and the like. The GPS unit has a GPS antenna 71 and receives, via the GPS antenna 71, a GPS signal transmitted from at least three of the plurality of GPS satellites launched into low earth orbit. The GPS unit detects the current position (latitude, longitude) of the vehicle based on the received GPS signal and outputs the current position to the CPU 1. The autonomous navigation unit includes an angle sensor, a distance sensor, and the like. The angle sensor detects the angular velocity of the vehicle and calculates the amount of change in the moving azimuth. The distance sensor detects a pulse signal output according to the rotation of the wheel, and calculates the amount of movement of the vehicle. The autonomous navigation unit calculates a relative position change of the vehicle based on the angular velocity signal and the pulse signal and outputs the calculated change to the CPU 1.
[0029]
The TV unit 8 is connected to the TV antenna 81, extracts a broadcast wave of a channel designated by the touch panel 62 from a TV broadcast wave received by the TV antenna 81, and, according to a control signal input from the CPU 1, The video signal and the audio signal, which are broadcast contents, are output to the monitor display unit 61 and the speaker unit 11, respectively.
[0030]
The HD unit 9 stores audio data compressed by the MP3 (MPEG-1 Audio Layer-3) method. The MP3 system is one of audio data compression systems standardized by MPEG (Moving Picture Experts Group). Each file of the MP3 format stored in the HD unit 9 has attached character information (ID3 tag information) such as a song name, an album name, and an artist name. The audio data stored in the HD unit 9 is, for example, a copy of an MP3 file recorded on a recording medium such as a Memory Stick (registered trademark).
[0031]
The decoder unit 10 decodes the MP3 audio data stored in the HD unit 9 and outputs the decoded audio data to the speaker unit 11.
[0032]
The speaker section 11 amplifies an audio signal input from the TV section 8 or the decoder section 10 by an amplifier circuit (not shown) and outputs the amplified signal to the outside.
[0033]
Next, the operation of the present embodiment will be described with reference to FIGS.
[0034]
It is assumed that a navigation screen as shown in FIG. 2A is displayed on the monitor display unit 61 (step S1). In the right corner of the navigation screen in FIG. 2A, an entertainment key 12 corresponding to MP3 is displayed as a currently set audio source.
[0035]
When the SRC key of the operation input unit 5 is pressed while the navigation screen shown in FIG. 2A is displayed, the CPU 1 sets the audio mini menu corresponding to MP3 as shown in FIG. An operation menu bar α is displayed at the lower end of the navigation screen, and a status bar β is displayed at the upper end of the navigation screen (step S2).
[0036]
The operation menu bar α appears on the navigation screen from the lower end of the screen by an animation operation. The operation menu bar α and the status bar β are, as shown in FIG. 2B, small in size not to hinder the display of the navigation screen. Note that the storage unit 2 may store data of a beep sound for notifying the display of the audio mini menu, and the speaker 11 may emit the beep sound when the audio mini menu is displayed.
[0037]
In the operation menu bar α shown in FIG. 2B, “F−” indicates a folder immediately below the folder in which the music data (MP3 file) being displayed (or being played) on the status bar β is stored. These are operation keys for switching. “F +” is an operation key for switching to a folder immediately above the folder in which the music data being displayed (or being reproduced) is displayed on the status bar β. The operation menu bar α displays a play / pause key, a backward skip key, and a forward step key. At the right end of the operation menu bar α, an entertainment key 12 corresponding to MP3 is displayed. The track number and the reproduction time of the MP3 file are displayed on the status bar β shown in FIG. In the status bar β of FIG. 2B, the track number 4 and the reproduction time of the MP3 file having the track number 4 of 4 minutes and 52 seconds are displayed.
[0038]
When an operation key in the operation menu bar α is touched, the CPU 1 controls an audio operation according to the operation. For example, when the playback key in the operation menu bar α is touched while the audio mini menu corresponding to MP3 as shown in FIG. 2B is displayed, the CPU 1 Start playback. Further, for example, when the forward skip key in the operation menu bar α is touched, the CPU 1 displays the track number 4 on the status bar β and the reproduction time of the MP3 file corresponding to the track number 4.
[0039]
When the animation operation of the audio mini-menu is completed and the audio mini-menu is completely displayed on the navigation screen, the CPU 1 outputs a signal for instructing the timer unit 4 to measure the display time of the audio mini-menu. In the present embodiment, the display time of the audio mini menu is set to 5 seconds, but the display time is not particularly limited.
[0040]
When the entertainment key 12 of the operation menu bar α is touched within 5 seconds after the audio mini menu as shown in FIG. 2B (or FIG. 3A) is displayed on the navigation screen, the CPU 1 Then, the timer unit 4 stops counting the time, and as shown in FIG. 3B, displays information on the audio source (MP3) corresponding to the enter key 12 on the monitor display unit 61 in full screen (step S3).
[0041]
In the screen of FIG. 3B, ID3 tag information added to the MP3 data is displayed on the entire screen as information on the audio source. The ID3 tag information includes the track number of the MP3 file, the playback time, the title of the music, the artist name, the folder name, the file name, and the like. In addition, an operation menu of the MP3 file is displayed on the screen illustrated in FIG.
[0042]
After the audio mini menu as shown in FIG. 3A is displayed on the navigation screen, 5 seconds have elapsed without operating the operation menu in the operation input unit 5 and the operation menu bar α, and the timer unit 4 measures time. When the end signal is input, the CPU 1 deletes the audio mini menu by an animation operation. Until the audio mini menu is completely deleted from the screen, the touch operation of each operation key in the operation menu bar α is effective.
[0043]
When the SRC key of the operation input unit 5 is pressed within 5 seconds after the audio mini menu as shown in FIG. 3A is displayed on the navigation screen, the CPU 1 terminates the time measurement of the timer unit 4. Then, the display of the audio mini menu is erased by an animation operation. If the operation menu in the operation input unit 5 and the operation menu bar α is not operated during the animation operation of the audio mini menu and the audio mini menu is completely deleted from the screen, the CPU 1 proceeds to FIG. As shown in (5), an audio mini menu corresponding to TV is displayed on the navigation screen as the next audio source (step S4).
[0044]
When the audio source is a TV, the operation menu bar α displays a channel selection (frequency increase / decrease) key and an entertainment key 12 corresponding to the TV, as shown in FIG. 4B. Further, the status bar β displays the name of the channel and the broadcasting station.
[0045]
When the SRC key of the operation input unit 5 is pressed within 5 seconds after the audio mini menu as shown in FIG. 4B is displayed on the navigation screen, the CPU 1 terminates the time measurement of the timer unit 4. Then, the display of the audio mini menu is erased by an animation operation. When the operation menu in the operation input unit 5 and the operation menu bar α is not operated during the animation operation of the audio mini menu and the audio mini menu is completely erased from the screen, the CPU 1 proceeds to FIG. As shown in c), an "ALL OFF" key for turning off the screen is displayed at the right corner of the navigation screen (step S5).
[0046]
After the audio mini menu as shown in FIG. 4B is displayed on the navigation screen, 5 seconds have elapsed without operating the operation menu in the operation input unit 5 and the operation menu bar α, and the timer unit 4 measures time. When the end signal is input, the CPU 1 deletes the audio mini menu by an animation operation.
[0047]
When the SRC key of the operation input unit 5 is pressed within 5 seconds after the “ALL OFF” key is displayed on the navigation screen as shown in FIG. 4C, the CPU 1 Is terminated, and the display of the “ALL OFF” key is erased. Then, the CPU 1 displays an audio mini menu corresponding to MP3 on the navigation screen as a next audio source (step S2). That is, if the SRC key is pressed within 5 seconds from the screen display of FIG. 4C, the screen returns to the screen of FIG. In the present embodiment, an example in which the transition of the audio source by pressing the SRC key is performed in the order of MP3, TV, ALL OFF, MP3, TV,..., But the transition order of the audio source is not particularly limited.
[0048]
When the enter key 12 (“TV” key) of the operation menu bar α is touched within 5 seconds after the audio mini menu as shown in FIG. 4B is displayed on the navigation screen, the CPU 1 starts the timer. The timer of the unit 4 is terminated, and the TV screen is displayed on the monitor display unit 61 on the full screen as shown in FIG. 4D (step S6). An entertainment key 12 corresponding to the TV is displayed on the TV screen shown in FIG. Therefore, when the SRC key is pressed while the TV screen of FIG. 4D is being displayed on the monitor display unit 61, an audio mini menu corresponding to the TV is displayed on the TV screen. Become.
[0049]
When the “ALL OFF” key is touched within 5 seconds after the “ALL OFF” key is displayed on the navigation screen as shown in FIG. 4C, the CPU 1 returns to FIG. As shown, the power of the monitor display unit 61 is turned off (step S7). When the SRC key is pressed from the state in which the screen of FIG. 4E is displayed on the monitor display unit 61, the MP3 corresponding to the next audio source in the transition order of the audio sources is kept in a dark background on the screen. The audio mini menu corresponding to is displayed.
[0050]
As described above, according to the navigation device 100 of the present embodiment, when the SRC key which is a hard key button is pressed while the navigation screen (FIG. 2A) is displayed, b) The audio mini menu as shown in b) is displayed on the navigation screen, and the audio operation can be operated by the touch instruction on the audio mini menu, so that the hard key buttons for controlling the audio operation need to be arranged. And a sufficient space for screen display can be secured.
[0051]
As described above, since the operation menu for controlling the audio operation is a soft key, the number of parts involved in manufacturing the navigation device 100 can be reduced, and the manufacturing cost can be reduced. In addition, the layout of the audio mini menu on the screen can be set freely.
[0052]
Also, by instructing the display of the audio mini-menu by pressing the hard key button, the audio mini-menu can be displayed by a simple operation.
[0053]
Further, if the operation keys in the audio mini menu are not touched even after a predetermined time has elapsed after the display of the audio mini menu, the audio mini menu is automatically closed and the screen returns to the original screen, so that navigation can be performed. No loss of function.
[0054]
In addition, when the enter key 12 in the audio mini menu is touched, information (track number, reproduction time, artist name, etc.) on the corresponding audio data is displayed on the full screen, so that the user can obtain information (tag) on the audio data. Information) can be confirmed on one screen.
[0055]
The description in the present embodiment can be appropriately changed without departing from the spirit of the present invention.
[0056]
【The invention's effect】
According to the present invention, an operation menu for audio operation control is displayed on the display unit, and audio operation control is enabled by an operation on the displayed operation menu. It is not necessary to dispose key buttons formed on the housing of the present invention, and a sufficient space for screen display can be secured.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating a main configuration of a navigation device 100 according to an embodiment to which the present invention is applied.
FIG. 2 is a diagram showing an example of screen transition by pressing an SRC key.
FIG. 3 is a diagram showing an example of screen transition by touching an entertainment key 12 in an audio mini menu.
FIG. 4 is a diagram showing an example of screen transition by pressing an SRC key and an example of screen transition by touching an enter key 12;
[Explanation of symbols]
1 CPU
2 storage unit 3 memory 4 timer unit 5 operation input unit 6 operation display unit 61 monitor display unit 62 touch panel 7 navigation unit 71 GPS antenna 8 TV unit 81 TV antenna 9 HD unit 10 decoder unit 11 speaker unit 12 entertainment key 100 navigation device α Operation menu bar β Status bar

Claims (4)

A navigation device that has an audio playback function and displays guidance map information on a screen of a display unit to perform route guidance,
An operation input unit for instructing display of an operation menu for controlling an audio operation,
When there is an operation menu display instruction from the operation input unit, a display control unit that displays an operation menu screen of a predetermined size on the guide map information displayed on the display unit,
An audio operation control unit that controls an audio operation according to an operation on an operation menu displayed by the display control unit,
A navigation device comprising: The navigation device according to claim 1, wherein the instruction to display an operation menu by the operation input unit is performed by operating a key button formed on a housing of the display unit. After the display of the operation menu by the display control unit, a timer unit for measuring a predetermined time,
The navigation device according to claim 1, wherein when the operation menu is not operated within the predetermined time after the operation menu is displayed, the display control unit ends the display of the operation menu. . The operation menu includes a key display for instructing display of information on audio operation,
When the key display is operated within the predetermined time after the operation menu is displayed, a full-screen display control unit that causes the display unit to display information about the audio operation on a full screen is provided. The navigation device according to any one of claims 1 to 3.

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