JP4917493B2 - In-vehicle device and display method - Google Patents

Description

  The present invention relates to an in-vehicle device having a navigation function for displaying a current position of a vehicle on a map and a music reproduction function for reproducing music from music data.

  Patent Document 1 discloses a navigation function for assisting vehicle operation by displaying the current position of the vehicle on a map and the like, and a function for reproducing music from music data stored in a CD (Compact Disc), a hard disk device, or the like. Is disclosed. Such a vehicle navigation apparatus is usually provided with one display device, and a user switches between a display used for navigation and a display used for music playback as necessary.

  In the mode for playing music, the information on the music being played (title, singer name, recorded album name, etc.), an equalizer that visually expresses the music is usually played on the screen of the in-vehicle device. An indicator or the like indicating the progress of the song being played is displayed.

JP 2001-143369 A

  By the way, during the traveling of the vehicle, the driver may want to know information about the own vehicle position and facilities around the own vehicle position. However, there are cases where a person other than the driver wants to see information on music even when the vehicle is running.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to display a map element in a screen used in a music playback mode for playing music.

  In order to solve the above problems, the in-vehicle device of the present invention displays a car mark indicating a vehicle position and a facility mark indicating a facility around the vehicle position in the display of a music playback mode for playing music, Move the facility mark to match the rhythm of the music being played.

  For example, in the navigation mode, the first aspect of the present invention maps a car mark indicating the position of the host vehicle and a facility mark indicating a facility around the host vehicle on a map based on the respective position information. A navigation screen creation means for creating a navigation screen for displaying the mapped car mark and facility mark together with an image showing a map around the host vehicle, and a music playback means for playing music from music data in the music playback mode. When the car mark and the facility mark are mapped on the map based on the respective position information and displayed on the screen, the position of the car mark and the facility mark on the screen Display position calculation means for calculating each of them, and in music playback mode, without displaying an image showing a map Display control means for arranging the car mark and the facility mark at the position calculated by the display position calculation means and displaying them on the display device. The display control means is calculated by the display position calculation means in the music playback mode. Provided is an in-vehicle apparatus characterized in that a facility mark is moved in accordance with the rhythm of music being reproduced by a music reproducing means with reference to the position of the facility mark.

  In the second mode of the present invention, in the navigation mode, a car mark indicating the position of the host vehicle and a facility mark indicating a facility around the host vehicle are mapped on a map based on the respective position information. A navigation screen creation means for creating a navigation screen for displaying the mapped car mark and facility mark together with an image showing a map around the host vehicle, and a music playback means for playing music from music data in the music playback mode. The in-vehicle device includes the car mark and the facility when the car mark and the facility mark are mapped on the map based on the position information and displayed on the screen. In the display position calculation step for calculating the position of each mark on the screen and in the music playback mode, Without displaying an image showing, the car mark and the facility mark are respectively arranged at the position calculated in the display position calculating step and displayed on the display device, and the position of the facility mark calculated in the display position calculating step is used as a reference, There is provided a display method characterized by executing a display step of moving the facility mark in accordance with the rhythm of music being played back by a music playback means.

  According to the vehicle-mounted device of the present invention, a map element can be displayed in a screen used in a music playback mode for playing music.

  An embodiment of the present invention will be described below with reference to the drawings.

  FIG. 1 is a system configuration diagram showing a configuration of an in-vehicle system 10 according to an embodiment of the present invention. The in-vehicle system 10 includes a sensor 11, an input device 12, a display device 13, a speaker 14, and an in-vehicle device 20. The in-vehicle device 20 includes an input unit 21, a navigation screen creation unit 22, a display position calculation unit 23, a music playback unit 24, a music data storage unit 25, a current position calculation unit 26, a map information storage unit 27, and a display control unit 28. Have.

  The map information storage unit 27 stores information indicating the topography, information indicating the road map, facility information regarding facilities on the map, and the like. In the road map 270, for example, as shown in FIG. 2, information on links (roads) is stored as mesh information 2700 for each predetermined map area. Each mesh information 2700 includes a mesh ID 2701 that identifies each mesh and link information 2702 that is information regarding links in the mesh.

  Each link information 2702 is connected to a link ID 2703 for identifying each link, a link start node coordinate 2704, a link end node coordinate 2705, a link road type 2706, a link length 2707, and a link start node. A start connection link 2708 that is identification information of another link and an end connection link 2709 that is identification information of another link connected to the end node of the link are stored.

  For example, as shown in FIG. 3, the facility information 271 includes, for each facility ID 2710 for identifying each facility, a facility category 2711 corresponding to the facility ID 2710, coordinates 2712 on the map of the facility corresponding to the facility ID 2710, In addition, detailed information 2713 on the facility corresponding to the facility ID 2710 is stored. The detailed information 2713 is, for example, the name of the corresponding facility, business hours, sales items, and the like. In addition, the map information storage unit 27 stores facility mark image data indicating facilities for each category.

  The sensor 11 is, for example, a GPS (Global Positioning System) receiver, a direction sensor, a distance sensor, and the like. The sensor 11 measures a GPS signal transmitted from a geodetic satellite, a traveling direction of the vehicle, a moving distance of the vehicle, and the like. The current position calculation unit 26 is supplied.

  Based on the measurement signal from the sensor 11, the current position calculation unit 26 calculates the current position on the map of the vehicle each time the vehicle on which the in-vehicle system 10 is mounted moves, for example, a predetermined distance, and calculates the current Information indicating the position is provided to the navigation screen creation unit 22 and the display position calculation unit 23.

  The input unit 21 creates a first navigation screen by the navigation screen creation unit 22 when a navigation mode for displaying the current position of the vehicle on the map is instructed by the user via the input device 12 such as a touch panel. And instructing the display control unit 28 to display in the navigation mode.

  On the other hand, when the music playback mode is instructed by the user via the input device 12, the input unit 21 displays the car mark and facility mark displayed on the second navigation screen described later on the display position calculation unit 23. The position calculation is instructed, the music reproducing unit 24 is instructed to reproduce the music data, and the display control unit 28 is instructed to display in the music reproducing mode.

  When the navigation mode is instructed by the user via the input unit 21, the navigation screen creation unit 22 uses the current position of the vehicle calculated by the current position calculation unit 26 and the terrain information and road around the current position. A map is acquired from the map information storage unit 27. Then, the navigation screen creation unit 22 acquires facility information around the host vehicle from the map information storage unit 27 and calculates the display position and display size of the facility mark 31 of each facility on the screen. Each facility mark 31 is displayed larger as it is closer to the current position of the host vehicle.

  Then, for example, as shown in FIG. 4, the navigation screen creation unit 22 shows a car mark 32 indicating the current position of the host vehicle and facilities around the host vehicle on a map created from the acquired topographic information and the road map. A first navigation screen 30 on which facility marks 31 are arranged is created. Then, the navigation screen creation unit 22 sends the created first navigation screen 30 to the display control unit 28.

  When the display position calculation unit 23 is instructed to calculate the display positions of the car mark and the facility mark from the input unit 21, the display position calculation unit 23 is based on the current position of the vehicle calculated by the current position calculation unit 26. The topographic information and the road map are acquired from the map information storage unit 27, and the display position of the car mark on the screen when the car mark indicating the current position of the host vehicle is displayed together with the map is determined.

  And the display position calculation part 23 acquires the facility information around the present position of the own vehicle from the map information storage part 27, and calculates the display position and display size in the screen of the facility mark 41 of each facility. Each facility mark 41 is displayed larger as it is closer to the current position of the host vehicle. Then, the display position calculation unit 23 sends information indicating the position of the car mark and each facility mark on the screen and information indicating the size of each facility mark to the display control unit 28.

  When the music playback mode is instructed by the user via the input unit 21, the music playback unit 24 plays music from the music data stored in advance in the music data storage unit 25 via the speaker 14. At the same time, a music information screen including information related to the music being played (song name, singer name, progress of the song, etc.) is created and sent to the display control unit 28. In addition to the music data stored in the music data storage unit 25, the music playback unit 24 acquires and plays music data stored in the storage medium from a storage medium such as a CD or MD. Also good. In addition, the music playback unit 24 may play back the beginning portions of the songs one after another in a random order or a stored order in accordance with an instruction from the user.

  When instructed to display in the navigation mode from the input unit 21, the display control unit 28 displays the first navigation screen 30 (see FIG. 4) created by the navigation screen creation unit 22 on the display device 13. On the other hand, when the display in the music playback mode is instructed from the input unit 21, the display control unit 28 sends information indicating the position of the car mark and each facility mark on the screen sent from the display position calculation unit 23, and Based on the information indicating the size of each facility mark, a second navigation screen 40 in which the car mark 42 and each facility mark 41 are arranged on the screen, and a music information screen 50 created by the music playback unit 24 are displayed. For example, as shown in FIG. 5, the image is displayed on the display device 13 by screen division.

  Then, the display control unit 28 displays each facility mark 41 displayed in the second navigation screen 40 in accordance with the rhythm, volume, pitch, or combination thereof of the music being reproduced by the music reproducing unit 24. move. For example, the display control unit 28 moves each facility mark 41 in the vertical and horizontal directions in the screen in accordance with the rhythm of music.

  As another example, the display control unit 28 moves each facility mark 41 so as to expand or contract in the vertical or horizontal direction, for example, as shown in FIG. As shown in FIG. 6B, it is moved so as to rotate about a line segment parallel to the screen, and as shown in FIG. 6C, it is rotated about a line segment perpendicular to the screen as an axis. Alternatively, as shown in FIG. 6 (d), it may be moved so as to swing in the left-right direction around a line segment parallel to the screen. Further, the movements shown in FIGS. 6A to 6D may be combined and moved.

  The second navigation screen 40 deletes the image showing the map from the first navigation screen 30 shown in FIG. 4 and adds a shadow 43 to each facility mark 41 as shown in FIG. It is a dramatization. Therefore, in the second navigation screen 40, the relationship between the position of the car mark 42 and the position where each facility mark 41 is arranged is the same as the positional relationship in the first navigation screen 30. By looking at the navigation screen 40, the driver can know the approximate distance and direction from the host vehicle to the facility, although the information regarding the terrain and the road is unknown.

  In the example shown in FIG. 6, the music information screen 50 includes an area 52 indicating the singer name of the song being played, an area 53 indicating the name of the song being played, and an icon 51 indicating the progress of the song being played. Is displayed. In the example shown in FIG. 6, the icon 51 is displayed so as to flow from the right to the left on the music information screen 50, and the icon 51 is moved out of the music information screen 50 at the timing when the song corresponding to the icon 51 ends. Controlled to exit. Thereby, the user can know the progress degree of the music being reproduced.

  Note that the icon 51 displays, for example, a jacket photo of a CD or the like on which the corresponding song is recorded. The in-vehicle device 20 may store the jacket photo as a database in advance, or may acquire the jacket photo from an external server via a communication unit (such as a mobile phone) (not shown).

  FIG. 7 is a hardware configuration diagram illustrating an example of a hardware configuration of the computer 60 that realizes the functions of the in-vehicle device 20. The computer 60 includes a central processing unit (CPU) 61, a random access memory (RAM) 62, a read only memory (ROM) 63, a hard disk drive (HDD) 64, a sensor interface (I / F) 65, an input / output interface (I). / F) 66 and a media interface (I / F) 67.

  The CPU 61 operates based on a program stored in the ROM 63 or the HDD 64 and controls each unit. The ROM 63 stores a boot program executed by the CPU 61 when the computer 60 is started up, a program depending on the hardware of the computer 60, and the like.

  The HDD 64 stores a program executed by the CPU 61. The sensor interface 65 receives measurement signals from a GPS receiver, an orientation sensor, a distance sensor, and the like and sends them to the CPU 61. The CPU 61 controls an output device such as an LCD (Liquid Crystal Display) and an input device such as a touch panel via the input / output interface 66. The CPU 61 acquires data from the input device via the input / output interface 66. Further, the CPU 61 outputs the generated data to the output device via the input / output interface 66.

  The media interface 67 reads a program or data stored in the recording medium 68 and provides it to the RAM 62. A program provided to the CPU 61 via the RAM 62 is stored in the recording medium 68. The program is read from the recording medium 68, installed in the computer 60 via the RAM 62, and executed by the CPU 61. The recording medium 68 is, for example, an optical recording medium such as a DVD (Digital Versatile Disk) or PD (Phase change rewritable disk), a magneto-optical recording medium such as an MO (Magneto-Optical disk), a tape medium, a magnetic recording medium, or a semiconductor memory. Etc.

  The programs installed and executed on the computer 60 are the computer 60, the input unit 21, the navigation screen creation unit 22, the display position calculation unit 23, the music playback unit 24, the music data storage unit 25, the current position calculation unit 26, the map. It functions as the information storage unit 27 and the display control unit 28. The computer 60 reads these programs from the recording medium 68 and executes them. However, as another example, the computer 60 may be provided with a communication function to acquire these programs via a communication line.

  The embodiment of the present invention has been described above.

  As is apparent from the above description, according to the in-vehicle system 10 of the present invention, a map element can be displayed in a screen used in a music playback mode for playing back music.

  The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the gist.

  For example, in the above-described embodiment, the display control unit 28 displays the arrangement of the car mark and each facility mark in the bird's-eye view map on the second navigation screen 40 in the music playback mode. 28 may display the arrangement of the car mark and each facility mark on the planar map on the second navigation screen 40 in the music playback mode.

  Alternatively, the display control unit 28 displays the arrangement of the car mark and each facility mark in the map (plan map or bird's-eye view map) in the display mode in the navigation mode before shifting to the music playback mode during the music playback mode on the second navigation screen. 40 may be displayed.

  In the embodiment described above, the display control unit 28 displays the second navigation screen 40 in the upper half of the screen and the music information screen 50 in the lower half as shown in FIG. 6 in the music playback mode. As another form, the display control unit 28 divides the screen displayed on the display device 13 into right and left, displays the second navigation screen 40 on one side, and displays the music information screen 50 on the other side. It may be. Further, in the L-shaped display, the display control unit 28 displays the second navigation screen 40 in the center area of the screen and displays the music information screen 50 along the edge of the screen (L-shaped portion). Also good.

1 is a system configuration diagram illustrating a configuration of an in-vehicle system 10 according to an embodiment of the present invention. It is a figure which shows an example of the data structure of the road map 270 stored in the map information storage part 27. FIG. It is a figure which shows an example of the data structure of the facility information 271 stored in the map information storage part 27. FIG. 4 is a conceptual diagram illustrating an example of a first navigation screen 30 created by a navigation screen creation unit 22. FIG. It is a conceptual diagram which shows an example of the screen structure displayed on the display apparatus 13 in music reproduction mode. It is a conceptual diagram which illustrates the motion of the facility mark 41 in music reproduction mode. It is a hardware block diagram which shows an example of a structure of the computer 60 which implement | achieves the function of the vehicle equipment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... In-vehicle system, 11 ... Sensor, 12 ... Input device, 13 ... Display device, 14 ... Speaker, 20 ... In-vehicle device, 21 ... Input part, 22 ... Navigation screen creation unit, 23 ... display position calculation unit, 24 ... music playback unit, 25 ... music data storage unit, 26 ... current position calculation unit, 27 ... map information storage unit, 270 ... Map data, 2700 ... Mesh information, 2701 ... Mesh ID, 2702 ... Link information, 2703 ... Link ID, 2704 ... Start node coordinates, 2705 ... End node coordinates 2706 ... road type, 2707 ... link length, 2708 ... start connection link, 2709 ... end connection link, 271 ... facility information, 2710 ... facility ID, 2711 ... Gori, 2712 ... Coordinates, 2713 ... Detailed information, 28 ... Display control section, 30 ... First navigation screen, 31 ... Facility mark, 32 ... Car mark, 40 ... Second navigation screen, 41 ... facility mark, 42 ... car mark, 43 ... shadow, 50 ... music information screen, 51 ... icon, 52 ... area, 53 ... -Area, 60 ... computer, 61 ... CPU, 62 ... RAM, 63 ... ROM, 64 ... HDD, 65 ... sensor interface, 66 ... input / output interface, 67 ..Media interface, 68 ... Recording medium

Claims (4)

In the navigation mode, the car mark indicating the position of the host vehicle and the facility mark indicating the facility around the host vehicle are mapped on the map based on the respective position information, and the mapped car mark and the facility mark are Navigation screen creation means for creating a navigation screen to be displayed together with an image showing a map around the host vehicle;
An in-vehicle device comprising music playback means for playing music from music data in a music playback mode,
Display position for calculating the position of the car mark and the facility mark in the screen when the car mark and the facility mark are mapped on the map based on the respective position information and displayed on the screen A calculation means;
In music playback mode, without displaying an image showing a map, display control means for displaying a car mark and a facility mark at a position calculated by the display position calculation means and displaying them on a display device,
The display control means includes
In-vehicle apparatus characterized in that, in a music playback mode, the facility mark is moved in accordance with the rhythm of the music being played back by the music playback means with reference to the location of the facility mark calculated by the display position calculation means. . The in-vehicle device according to claim 1,
The display position calculating means includes
Calculating the position of the car mark and the facility mark on the screen when the car mark and the facility mark are mapped on a bird's eye view map and displayed on the screen based on the respective position information. In-vehicle device characterized. The in-vehicle device according to claim 1 or 2,
Music information screen creating means for creating a music information screen showing information related to the music being played in the music playback mode and information indicating the degree of progress of the music;
The display control means includes
An in-vehicle device, wherein the music information screen is further displayed on a display device in a music playback mode. In the navigation mode, the car mark indicating the position of the host vehicle and the facility mark indicating the facility around the host vehicle are mapped on the map based on the respective position information, and the mapped car mark and the facility mark are Navigation screen creation means for creating a navigation screen to be displayed together with an image showing a map around the host vehicle;
In a music playback mode, a display method in an in-vehicle device comprising music playback means for playing music from music data,
The in-vehicle device is
Display position for calculating the position of the car mark and the facility mark in the screen when the car mark and the facility mark are mapped on the map based on the respective position information and displayed on the screen A calculation step;
In the music playback mode, without displaying an image showing a map, the car mark and the facility mark are respectively arranged at the position calculated in the display position calculating step and displayed on the display device, and calculated in the display position calculating step. A display method comprising: performing a display step of moving the facility mark in accordance with the rhythm of the music being played back by the music playback means on the basis of the position of the facility mark.

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