JP2013109549A - On-vehicle device and operation control method of external device connected to on-vehicle device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an on-vehicle device and an operation control method of an external device connected to the on-vehicle device that realize the same operation method as that of the external device by displaying the same user interface as that of the external device on a touch panel.SOLUTION: Image information drawn on an external device 20 is input to an on-vehicle device 10 and displayed on a touch panel 11. An operation amount of slide operation performed on the touch panel 11 at that time is converted into a command of N-time operation of a scroll key, and the command is transmitted to the external device 20. In this way, a slide operation amount detected from operation on the touch panel 11 is converted into an operation command acceptable by the external device 20, instead of transmitting the slide operation amount itself as coordinate information on the touch panel 11 to the external device 20, which realizes the same operation method as that of the external device 20 on the on-vehicle device 10.

Description

  The present invention relates to an in-vehicle device and an operation control method for an external device connected to the in-vehicle device, and more particularly to a technique for controlling the operation of the external device connected to the in-vehicle device according to an operation on the touch panel of the in-vehicle device. is there.

  2. Description of the Related Art In recent years, a technique has been provided in which an external device is connected to an in-vehicle device by a wired method such as USB (Universal Serial Bus) or wirelessly such as Bluetooth, so that functions provided in the external device can be used in the in-vehicle device. For example, a portable digital music player such as iPod (registered trademark) or a smartphone such as iPhone (registered trademark) is connected to the in-vehicle device as an external device, and the music data stored in the portable digital music player or the smartphone is used as the in-vehicle device. The technology which made it possible to reproduce with is offered.

  In this type of in-vehicle device, an external device is assigned to one of the resources supported by the in-vehicle device, and an external device is selected on the resource selection screen so that an operation on the external device can be performed in the in-vehicle device. Yes. In particular, recently, a technique for displaying the same image information as image information drawn by an external device on an in-vehicle device has been provided. For example, the image information drawn by iPod or iPhone is output to the in-vehicle device, and the same image information as iPod or iPhone is displayed on the display with touch panel (hereinafter simply referred to as touch panel) of the in-vehicle device, and the operation is performed from there. Technology exists.

  By the way, a touch panel is adopted for an external device such as iPod or iPhone so that various operations of the external device itself can be instructed by a user's touch operation or tracing operation on a user interface displayed on the touch panel. It has become. Some in-vehicle devices employ a touch panel. In such a vehicle-mounted device, various operations of the vehicle-mounted device itself can be instructed by a user's touch operation or a tracing operation on the touch panel (see, for example, Patent Document 1). Patent Document 1 describes that a tracing operation amount is calculated based on coordinate change information output from a touch panel, and a scroll operation is controlled according to the length of the calculated tracing operation amount.

Japanese Patent No. 4314927

  When the above-described function is installed in the in-vehicle device, not only the image information drawn by the external device such as iPod is displayed on the in-vehicle device, but also the same user interface as the external device is displayed on the touch panel of the in-vehicle device. It is desired that the device also realizes the same operation method as that of the external device (touch operation and tracing operation on the same user interface as that of the external device). For example, when a desired song is selected from the song list displayed on the touch panel of the in-vehicle device, the song list is scrolled by performing a tracing operation at the song list display position, and the desired song display position is displayed. It is desirable to realize a series of operations such as selecting the desired music piece by performing a touch operation on the in-vehicle device.

  However, in the functions described above, the touch operation and the tracing operation are not defined. That is, even if a touch operation or a tracing operation is performed on the touch panel of the in-vehicle device, a function for receiving coordinate information indicating the operation position is not prepared. Therefore, the same operation method as that of the external device cannot be realized in the in-vehicle device.

  Therefore, in the current in-vehicle device, as shown in FIG. 4, various operation keys 111 to 116 drawn by the in-vehicle device itself in areas 102 and 103 different from the area 101 for displaying image information drawn by the external device. Is displayed. Then, an operation command is generated in response to the operation of the operation keys 111 to 116 and is output to an external device. Note that 111 is a menu key, 112 is an up / down scroll key, 113 is an enter key, 114 is a skip down key, 115 is a play / pause key, and 116 is a skip up key.

  That is, the user needs to instruct a desired operation not by a touch operation or a tracing operation on the image display area 101 but by a touch operation on the operation keys 111 to 116 displayed in the other areas 102 and 103. When these operation keys 111 to 116 are touch-operated, an operation command corresponding to the touched operation key is generated in the in-vehicle device, and the operation command is output to an external device. The external device executes the corresponding operation according to this operation command. For example, when the user touches the up / down scroll key 112, a scroll command is transmitted from the in-vehicle device to the external device. The external device executes a scroll operation such as a music list in accordance with the scroll command.

  Thus, conventionally, although the same image information as the image information drawn by the external device can be displayed on the in-vehicle device, the same operation method as that of the external device cannot be realized in the in-vehicle device. While iPod and iPhone are explosively spreading and these operation methods are becoming common recognition among users, the touch on the up / down scroll key 112 and the enter key 113, not the touch operation and the tracing operation on the image display area 101, are performed. The operation method by operation has a problem that it feels unnatural and inconvenient for the user.

  The present invention has been made to solve such a problem, and in an in-vehicle device having a function capable of performing an operation on an external device in the in-vehicle device, the same as the external device on the touch panel of the in-vehicle device. An object is to display a user interface so that the same operation method as that of an external device can be realized even in an in-vehicle device.

  In order to solve the above-described problems, in the present invention, image information drawn by an external device is input to an in-vehicle device and displayed on a display with a touch panel, and an operation amount of a tracing operation performed on the touch panel at that time is The operation of the external device is controlled by converting the operation command to N times of a predetermined key and transmitting it to the external device.

  In another aspect of the present invention, the operation position of the touch operation performed on the touch panel is converted into an operation command of the second predetermined key and transmitted to the external device, thereby controlling the operation of the external device. ing.

  According to the present invention configured as described above, the operation amount of the tracing operation detected by the operation on the touch panel of the in-vehicle device and the operation position of the touch operation are not directly transmitted to the external device as coordinate information on the touch panel. , Converted into an operation command that can be accepted by an external device, and transmitted. Therefore, image information of the same user interface as that of the external device can be displayed on the touch panel of the in-vehicle device, and the same operation method as that of the external device can be realized in the in-vehicle device.

It is a block diagram which shows the structural example of the communication system provided with the vehicle-mounted apparatus by this embodiment. It is a flowchart which shows the operation example of the vehicle-mounted apparatus by this embodiment. It is a figure which shows the example of a transition of the screen displayed on a touch panel when performing a series of music selection operation in this embodiment. It is a figure which shows the example of the conventional screen display.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram illustrating a configuration example of a communication system including the in-vehicle device according to the present embodiment. The communication system shown in FIG. 1 connects the in-vehicle device 10 of the present embodiment and an external device 20 such as iPod or iPhone by wire or wireless, and the music data stored in the external device 20 is stored in the in-vehicle device 10. It is made reproducible.

  The in-vehicle device 10 has a function of inputting image information drawn by the external device 20 and displaying the image information on a display with a touch panel (hereinafter referred to as a touch panel 11), and controlling the operation of the external device 20 according to an operation on the touch panel 11. ing. The in-vehicle device 10 includes an image information input unit 1, a display control unit 2, an operation reception unit 3, an operation amount detection unit 4, an operation position detection unit 5, a command conversion unit 6, and a command transmission unit as functional configurations related to this function. 7 is provided.

  Each of the functional blocks 1 to 7 included in the in-vehicle device 10 can be realized by any of a hardware configuration, a DSP, and software. For example, when realized by software, each of the functional blocks 1 to 7 is actually configured by including a computer CPU or MPU, RAM, ROM, and the like, and can be realized by operating a program stored in the RAM or ROM. .

  The image information input unit 1 inputs image information drawn by the external device 20 in a state where the in-vehicle device 10 and the external device 20 are connected. The image information input unit 1 supplies the image information input from the external device 20 to the display control unit 2. The display control unit 2 controls the touch panel 11 to display the image information supplied from the image information input unit 1. As a result, the same image information as that of the external device 20 is displayed on the touch panel 11.

  The operation reception unit 3 receives various user operations on the touch panel 11. The operation amount detection unit 4 detects the operation amount of the tracing operation when the tracing operation is performed on the touch panel 11. The tracing operation refers to an operation of moving the contact position while keeping the user's finger or the like in contact with the touch panel 11. Therefore, the operation amount of the tracing operation means the movement amount of the contact position. When contact is made with the touch panel 11, the touch panel 11 outputs coordinate information representing the contact position to the operation reception unit 3. Therefore, the operation amount detection unit 4 can detect the operation amount of the tracing operation based on the change amount of the coordinate information.

  When a touch operation is performed on the touch panel 11, the operation position detection unit 5 detects the operation position of the touch operation. The touch operation refers to an operation of bringing a user's finger or the like into contact with a desired position on the touch panel 11. Therefore, the operation position detection unit 5 can detect the coordinate information indicating the contact position output from the touch panel 11 to the operation reception unit 3 as the operation position of the touch operation.

  The command conversion unit 6 converts the operation amount of the tracing operation detected by the operation amount detection unit 4 and the operation position of the touch operation detected by the operation position detection unit 5 into an operation command that can be received by the external device 20. Specifically, the command conversion unit 6 converts the operation amount of the tracing operation detected by the operation amount detection unit 4 into N operation commands (N is an integer of 1 or more) for a predetermined key. As an example of the predetermined key, there is a scroll key for scrolling the music list.

  For example, when a desired music is selected from the music list displayed on the touch panel 11, the user scrolls the music list by performing a tracing operation at the display position of the music list, and displays the desired music. A series of operations such as selecting the desired music piece by performing a touch operation at the position is performed. In relation to this series of operations, the command conversion unit 6 converts the operation amount of the tracing operation performed at the music list display position into an operation command for N scroll keys.

  In order to perform this conversion processing, the command conversion unit 6 displays the music list at which position of the image information (input from the external device 20) displayed on the touch panel 11 and one song in the music list. Information indicating how many dots the display width per hit is stored in advance. The command conversion unit 6 uses this information to calculate how many songs the operation amount of the tracing operation performed at the position of the song list corresponds to. If the operation amount necessary for scrolling one song is equal to the display width per song, the value of the quotient when the operation amount of the tracing operation is divided by the display width per song is N.

  The command conversion unit 6 converts the operation position detected by the operation position detection unit 5 into an operation command of a second predetermined key. Examples of the second predetermined key include an operation button displayed as a user interface in the image information and a determination key for selecting a selection item. For example, in connection with the above-described series of operations for music selection, the command conversion unit 6 sets the touch position of the touch operation performed at the display position of the desired music on the music list to what number music on the music list. Is converted into an operation command of the enter key indicating whether or not is selected.

  When an operation button is displayed as a user interface in the image information, the display position of the operation button may be touched. In that case, the command conversion unit 6 converts the touch position of the touch operation performed at the display position of the operation button into an operation command of a determination key indicating which operation button has been selected. In order to perform this conversion processing, the command conversion unit 6 stores in advance information indicating which operation button is displayed at which position in the image information (input from the external device 20) displayed on the touch panel 11. doing.

  The command transmission unit 7 transmits the operation command converted by the command conversion unit 6 to the external device 20. That is, when the operation amount of the tracing operation is converted into the operation command for N times of the scroll key by the command conversion unit 6, the command transmission unit 7 transmits the operation command for N times of the scroll key to the external device 20. . On the other hand, when the operation position of the touch operation is converted into the determination key operation command by the command conversion unit 6, the determination key operation command is transmitted to the external device 20.

  FIG. 2 is a flowchart showing an operation example of the in-vehicle apparatus 10 according to the present embodiment configured as described above. FIG. 3 is a diagram illustrating a transition example of the screen displayed on the touch panel 11 when performing the above-described series of music selection operations. Hereinafter, based on FIG. 2 and FIG. 3, operation | movement of the vehicle equipment 10 by this embodiment is demonstrated. The flowchart shown in FIG. 2 starts when the external device 20 is connected to the in-vehicle device 10.

  In FIG. 2, first, the operation receiving unit 3 of the in-vehicle device 10 determines whether or not a music playback function for inputting and playing music data from the external device 20 is selected on the menu screen displayed on the touch panel 11. (Step S1). If the music playback function is not selected, the process waits in step S1. On the other hand, when the music playback function is selected, a controller (not shown) of the in-vehicle device 10 transmits an initial screen transmission request to the external device 20 (step S2).

  When the external device 20 receives the initial screen transmission request from the in-vehicle device 10, the image information of the initial screen is drawn and displayed on the external device 20, and the image information of the initial screen is transmitted to the in-vehicle device 10. The image information input unit 1 inputs the image information of the initial screen sent from the external device 20 (step S3). And the display control part 2 displays the image information of the initial screen input by the image information input part 1 on the touch panel 11 (step S4).

  FIG. 3A shows an example of image information of the initial screen displayed on the touch panel 11 in step S4. As shown in FIG. 3A, the image information on the initial screen includes an attribute display column 31 for displaying attribute information such as artist name, album name, and song name, and a jacket display column 32 for displaying an image of the album jacket. And a timeline bar 33 for displaying the elapsed playback time of the music, and a search button 34 for instructing the search for the music. In the initial screen, the attribute display field 31 and the jacket display field 32 are blank.

  In a state where the image information of the initial screen shown in FIG. 3A is displayed on the touch panel 11, the operation receiving unit 3 receives a user operation. Here, when the operation reception unit 3 receives a touch operation, the operation position detection unit 5 detects the operation position of the touch operation based on the coordinate information output from the touch panel 11 to the operation reception unit 3. Then, the detected operation position of the touch operation is supplied to the command conversion unit 6.

  The command conversion unit 6 determines whether or not the search button 34 has been touched based on the operation position of the touch operation detected by the operation position detection unit 5 (step S5). The command conversion unit 6 knows that the image information of the initial screen is always displayed first when the music playback function is selected in step S1. In addition, the command conversion unit 6 stores in advance information indicating at which position in the image information on the initial screen the search button 34 is displayed. For this reason, the command conversion unit 6 can determine that the search button 34 has been touched if the stored display position of the search button 34 matches the operation position of the touch operation.

  If the search button 34 has not been touched, the process waits at step S5. On the other hand, if it is determined that the search button 34 has been touched, the command conversion unit 6 generates a determination key operation command indicating that the search button 34 has been selected (step S6). Then, the command transmission unit 7 transmits the operation command for the determination key related to the search button 34 generated by the command conversion unit 6 to the external device 20 (step S7).

  When the external device 20 receives the operation command for the search button 34 from the in-vehicle device 10, the image information of the search menu is drawn and displayed on the external device 20 as the image information of the next transition screen, and the image information of the search menu is displayed. Is transmitted to the in-vehicle device 10. The image information input unit 1 inputs the search menu image information sent from the external device 20 (step S8). Then, the display control unit 2 causes the touch panel 11 to display the search menu image information input by the image information input unit 1 (step S9).

  FIG. 3B shows an example of search menu image information displayed on the touch panel 11 in step S9. As shown in FIG. 3B, the search menu image information includes an operation button 35 for instructing to search for a desired song from the viewpoint of artist name, album name, genre, song name, and the like. ing.

  In a state where the image information on the menu screen shown in FIG. 3B is displayed on the touch panel 11, the operation reception unit 3 receives a user operation. Here, when the operation reception unit 3 receives a touch operation, the operation position detection unit 5 detects the operation position of the touch operation based on the coordinate information output from the touch panel 11 to the operation reception unit 3. Then, the detected operation position of the touch operation is supplied to the command conversion unit 6.

  The command conversion unit 6 determines whether or not any of the operation buttons 35 has been touched based on the operation position of the touch operation detected by the operation position detection unit 5 (step S10). The command conversion unit 6 knows that the image information of the search menu screen is always displayed next when the search button 34 is operated. The command conversion unit 6 stores in advance information indicating which operation button 35 is displayed at which position in the image information on the search menu screen. Therefore, the command conversion unit 6 can determine which operation button 35 is touch-operated based on the stored display position of the operation button 35 and the operation position of the touch operation.

  If it is determined that any of the operation buttons 35 has been touched, the process proceeds to step S6. In this case, the command conversion unit 6 generates a determination key operation command indicating which operation button 35 has been selected (step S6). Then, the command transmission unit 7 transmits the operation command of the determination key related to the operation button 35 generated by the command conversion unit 6 to the external device 20 (step S7).

  When the external device 20 receives the operation command of the operation button 35 from the in-vehicle device 10, the image information including the list is drawn and displayed on the external device 20 as the image information of the next transition screen, and the image information is displayed on the in-vehicle device. 10 to send. For example, when the song name operation button 35 is touched on the search menu screen in FIG. 3B, image information on the song selection screen including the song list is transmitted from the external device 20 to the in-vehicle device 10.

  The image information input unit 1 inputs the image information of the music selection screen sent from the external device 20 (step S8). And the display control part 2 displays the image information of the music selection screen input by the image information input part 1 on the touch panel 11 (step S9). FIG. 3C shows an example of image information on the music selection screen displayed on the touch panel 11 in step S9. As illustrated in FIG. 3C, the image information on the music selection screen includes a plurality of music names as a music list 36.

  In a state where the image information on the music selection screen shown in FIG. 3C is displayed on the touch panel 11, the operation reception unit 3 receives a user operation. Here, when the operation accepting unit 3 accepts a tracing operation instead of a touch operation, the operation amount detecting unit 4 performs the tracing operation based on the change amount of the coordinate information output from the touch panel 11 to the operation accepting unit 3. The operation amount is detected. Then, the operation amount detection unit 4 supplies the command conversion unit 6 with the operation position of the tracing operation indicated by the coordinate information and the operation amount of the tracing operation detected from the change amount of the coordinate information.

  The command conversion unit 6 determines whether or not the tracing operation has been performed at the display position of the music list 36 based on the operation position of the tracing operation supplied from the operation amount detection unit 4 (step S11). The command conversion unit 6 knows that the image information of the music selection screen is always displayed next when the music name operation button 35 is operated. In addition, the command conversion unit 6 stores in advance information indicating in which position of the image information on the music selection screen the music list 36 is displayed. Therefore, the command conversion unit 6 can determine whether or not the tracing operation has been performed at the display position of the music list 36 based on the stored display position of the music list 36 and the operation position of the tracing operation. Is possible.

  Here, when it is determined that the tracing operation has been performed at the display position of the music list 36, the command conversion unit 6 uses the operation amount of the tracing operation detected by the operation amount detection unit 4 for N scroll keys. An operation command is generated (step S12). Then, the command transmission unit 7 transmits the operation command for N times of the scroll key generated by the command conversion unit 6 to the external device 20 (step S13).

  When the external device 20 receives the operation command for N times of the scroll key from the in-vehicle device 10, the image information on the music selection screen obtained by scrolling the music list 36 by N lines is drawn as the image information on the next transition screen. While displaying on the external apparatus 20, the image information of the said music selection screen is transmitted to the vehicle-mounted apparatus 10. FIG. The image information input unit 1 inputs the image information of the music selection screen sent from the external device 20 (step S14). And the display control part 2 displays the image information of the music selection screen input by the image information input part 1 on the touch panel 11 (step S15). Thereafter, the process returns to step S11.

  In step S11, when it is determined that the tracing operation is not performed at the display position of the music list 36, the command conversion unit 6 determines whether any music is selected from the music list 36 (step S11). S16). That is, when the operation receiving unit 3 receives a touch operation instead of a tracing operation at the display position of the music list 36, the operation position detecting unit 5 is based on the coordinate information output from the touch panel 11 to the operation receiving unit 3. The operation position of touch operation is detected. Then, the detected operation position of the touch operation is supplied to the command conversion unit 6.

  The command conversion unit 6 determines whether any song is selected from the song list 36 based on the operation position of the touch operation detected by the operation position detection unit 5. The command conversion unit 6 stores in advance information indicating at which position of the image information on the music selection screen the music list 36 is displayed and how many dots the display width per song in the music list 36 is. For this reason, the command conversion unit 6 displays the position of the song in the song list 36 based on the stored display position of the song list 36, the display width per song, and the operation position of the touch operation. It is possible to determine whether or not a touch operation has been performed.

  Here, when it is determined that one of the music pieces has been selected, the command conversion unit 6 determines the number of the music piece on the music list that has been selected based on the operation position of the touch operation. Is generated (step S17). Then, the command transmission unit 7 transmits to the external device 20 the operation command of the determination key related to the music selection generated by the command conversion unit 6 (step S18). Thereafter, although illustration is omitted, the music data is output from the external device 20 that has received the operation command of the determination key related to music selection to the in-vehicle device 10, and the music data is reproduced.

  Here, the case where the music name operation button 35 is touch-operated on the search menu screen of FIG. 3B has been described as an example, but the artist name, album name, and genre name operation buttons 35 are operated. In addition, the image information on the next transition screen includes a list. For example, when the artist name operation button 35 is touched, image information of an artist selection screen including a list of artist names is transmitted from the external device 20 to the in-vehicle device 10 and displayed. In this case, it goes without saying that the list can be scrolled by a tracing operation.

  As described above in detail, in the present embodiment, image information drawn by the external device 20 is transmitted to the in-vehicle device 10 and displayed on the touch panel 11, and the operation amount of the tracing operation performed on the touch panel 11 at that time is determined. The operation of the external device 20 is controlled by converting the operation command into N times of scroll keys and transmitting it to the external device 20. Further, in the present embodiment, the operation position of the touch operation performed on the touch panel 11 is converted into an operation command of a determination key and transmitted to the external device 20 to control the operation of the external device 20. Yes.

  According to the present embodiment configured as described above, the operation amount of the tracing operation and the operation position of the touch operation detected by the operation on the touch panel 11 of the in-vehicle device 10 are directly transmitted to the external device 20 as coordinate information on the touch panel 11. However, the operation command is converted into an operation command that can be accepted by the external device 20 and transmitted. Therefore, the same user interface image information as that of the external device 20 can be displayed on the touch panel 11 of the in-vehicle device 10, and the same operation method as that of the external device 20 can be realized in the in-vehicle device 10. That is, it is possible to perform scrolling of a list, selection of music, and the like with the same feeling as operating iPod and iPhone.

  In the above embodiment, the case where the list is scrolled by the tracing operation has been described as an example, but the present invention is not limited to this. For example, when adjusting the volume according to the operation amount of the tracing operation, or when controlling the elapsed music playback time according to the operation amount of the tracing operation, the display scale of the map image is adjusted according to the operation amount of the tracing operation. For example, it can be applied to various purposes. In other words, the operation amount of the tracing operation is converted to N volume up / down operation commands, the operation amount of the tracing operation is converted to N operation commands of the timeline bar, or the operation amount of the tracing operation is converted to a map. It is possible to convert the operation command to N times of image enlargement / reduction.

  Further, in the above-described embodiment, an example is described in which the command conversion unit 6 stores in advance information indicating which position in the image information input from the external device 20 to the in-vehicle device 10 includes the operation button or list. However, the present invention is not limited to this. For example, the position of the operation button or list may be specified by performing image recognition processing on the image information input from the external device 20 to the in-vehicle device 10.

  In addition, each of the above-described embodiments is merely an example of implementation in carrying out the present invention, and the technical scope of the present invention should not be construed in a limited manner. That is, the present invention can be implemented in various forms without departing from the gist or the main features thereof.

DESCRIPTION OF SYMBOLS 1 Image information input part 2 Display control part 3 Operation reception part 4 Operation amount detection part 5 Operation position detection part 6 Command conversion part 7 Command transmission part 10 In-vehicle apparatus 11 Touch panel 20 External apparatus

Claims (6)

An in-vehicle device having a function of inputting image information drawn by an external device and displaying the image information on a display with a touch panel, and controlling the operation of the external device according to an operation on the touch panel,
An operation amount detection unit that detects an operation amount of the tracing operation when a tracing operation is performed on the touch panel;
A command conversion unit that converts the operation amount detected by the operation amount detection unit into an operation command for N times (N is an integer of 1 or more) of a predetermined key;
An in-vehicle device comprising: a command transmission unit that transmits the N operation commands converted by the command conversion unit to the external device. The in-vehicle device according to claim 1, wherein the command conversion unit converts the operation amount detected by the operation amount detection unit into an operation command for N scroll keys. An operation position detector that detects an operation position of the touch operation when a touch operation is performed on the touch panel;
The in-vehicle device according to claim 1, wherein the command conversion unit converts the operation position detected by the operation position detection unit into an operation command of a second predetermined key. The in-vehicle device according to claim 3, wherein the command conversion unit converts the operation position detected by the operation position detection unit into an operation command of a determination key. Image information drawn by an external device is input to an in-vehicle device and displayed on a display with a touch panel, and the operation of the external device is controlled from the in-vehicle device according to an operation on the touch panel.
A first step in which an operation amount detection unit of the in-vehicle device detects an operation amount of a tracing operation performed on the touch panel;
A second step in which the command conversion unit of the in-vehicle device converts the operation amount detected by the operation amount detection unit into an operation command for N times of a predetermined key (N is an integer of 1 or more);
The command transmission unit of the in-vehicle device has a third step of transmitting the operation command for N times of the predetermined key converted by the command conversion unit to the external device, and is connected to the in-vehicle device. Operation control method for external equipment. A fourth step in which the operation position detection unit of the in-vehicle device detects an operation position of a touch operation performed on the touch panel;
A fifth step in which the command conversion unit of the in-vehicle device converts the operation position detected by the operation position detection unit into an operation command of a second predetermined key;
The command transmission unit of the in-vehicle device includes a sixth step of transmitting an operation command of the second predetermined key converted by the command conversion unit to the external device. Of controlling the operation of an external device connected to the in-vehicle device.

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