JP4857790B2 - Navigation device - Google Patents

Description

  The present invention relates to a navigation device capable of storing and reproducing digital data such as music and video in a recording means.

  2. Description of the Related Art Conventionally, there is a navigation device that includes a hard disk that stores a large amount of map data, and that has a function of storing music data such as a commercially available music CD on the hard disk and enjoying music in a vehicle (for example, Patent Document 1).

In addition, by removing the hard disk of such a navigation device and connecting the hard disk to a home TV via a connection device, it is possible to enjoy the same music as in the car and set a drive plan .
JP 2004-264115 A

However, in such a navigation device in which the hard disk is detachable, in order to play music stored in the hard disk, playback is performed in a state where the hard disk is connected to the navigation device, or the hard disk is connected to a connection device or the like. There is a problem that it can only be played back via an external audio device. Further, since the hard disk removed from the navigation device does not have a playback function, there is a problem that it cannot be used as a portable audio device.

Therefore, the present invention completes the storage of music related to the destination in a large-capacity recording medium in which map data or the like is stored before reaching the destination, and even when the large-capacity recording medium is removed from the navigation device, An object of the present invention is to provide a navigation device that can be used as a portable audio device.

The navigation device of the present invention includes route guidance means for setting a destination from a current position based on map data and route guidance , arrival time calculating means for calculating an arrival time from the current position to the destination, music, Digital data acquisition means for acquiring digital data of audio and video, information recording means configured to store the map data and capable of storing the digital data, and the destination set by the route guidance means Digital data selection means for selecting the digital data of the genre according to the digital data so as to select the digital data that can be stored in the information recording means within the arrival time calculated by the arrival time calculation means comprises a control means for controlling the selection means, a writing means for storing the digital data in the information recording unit It has been made.

According to the navigation device configured as described above, digital data selection means can select digital data such as music, audio, and video in accordance with the destination, and can be stored in the information recording means using the writing means. For example, the digital data selection means can select digital data of music based on the name of the destination and store it in the information recording means.
Further, the arrival time from the current position to the destination is calculated by the arrival time calculating means, and the digital data related to the destination that can be stored in the information recording means within the calculated arrival time is selected by the selecting means. Since control is performed using the control means, digital data that can be stored in the information recording means by the arrival time can be preferentially selected and stored in the information recording means, and information can be recorded from the navigation device when it arrives at the destination. The means can be attached and detached. For example, music of digital data stored in the information recording means can be enjoyed.

  Further, the information recording means of the navigation device of the present invention comprises a reproducing means for reproducing the stored digital data that is detachably configured.

According to the navigation apparatus configured as described above, the information recording means is configured to be detachable from the navigation apparatus, and the information recording means includes the reproducing means. Digital data stored in the recording means can be reproduced. When the information recording means is detached from the navigation device and digital data is played back by the playback means, headphones, speakers, etc. can be connected to the information recording means for output and playback, which is used as so-called portable audio. be able to.

In addition, the navigation device of the present invention includes route guidance means for setting a destination from a current position based on map data and guiding the route, digital data acquisition means for acquiring digital data of music, voice and video, and the map According to the destination set by the information recording means configured to store the digital data and capable of storing the data and the route guidance means
A digital data selection means for selecting the digital data of a genre; and a writing means for storing the digital data in the information recording means, wherein the writing means is a bit rate for storing the digital data in the information recording means The bit rate changing means for changing is provided.

According to the navigation device configured as described above, digital data selection means can select digital data such as music, audio, and video of a genre based on the destination, and can be stored in the information recording means using the writing means. For example, the digital data selection means can select digital data of music based on the name of the destination and store it in the information recording means.
In addition, when the digital data is stored in the information recording unit, the bit rate can be changed and stored using the bit rate changing unit.

  The bit rate changing means of the navigation device of the present invention is configured to change the bit rate in accordance with the arrival time to the destination.

  According to the navigation device configured in this way, since the bit rate is changed according to the arrival time to the destination, a large amount of digital data is stored in the information recording means until the arrival time. can do.

  Further, the navigation device of the present invention is capable of storing the digital data in the information recording means when the change detecting means detects the change in the arrival time and the change detecting means detects the change in the arrival time. It is configured to include storage determination means for determining whether or not.

  According to the navigation device configured as described above, when the change of the arrival time to the destination is detected by the change detection unit, can the digital data be stored in the information recording unit within the changed arrival time? Whether or not the data can be stored is determined by the storage determination unit, and the digital data can be stored in the information recording unit.

  According to the present invention, by selecting digital data such as music, audio, and video according to a set destination, and recording music or video content associated with the genre of the destination, the user's desired purpose It is possible to record content in a genre suitable for the ground, and it is possible to remove the information recording means and to reproduce the content stored in the information recording means alone. It has an excellent effect that can be used.

Hereinafter, a navigation device according to an embodiment of the present invention will be described in detail with reference to the drawings.
(First embodiment)
FIG. 1 is a block diagram showing a navigation device according to a first embodiment of the present invention. FIG. 2 is a schematic diagram illustrating a state in which the data storage unit is detached from the navigation device.

  The navigation apparatus A according to the first embodiment of the present invention includes a content data storage unit 1, a control unit 2, a data acquisition unit 3, and a content data input unit 4 configured to be detachable as shown in FIG. And an input unit 5, a display unit 6, a position detection unit 7, and a vehicle speed detection unit 8. The navigation device A is configured such that the data storage unit 1 is detachable from the navigation device A as shown in FIG.

  Here, the data storage unit 1 (information recording means) includes a map data storage unit 1a in which an electronic map is stored, a content reproduction history storage unit 1b in which a history of content reproduction is recorded, music data, A data reproduction unit 1d that reproduces digital data stored in a content data storage unit 1c in which digital data such as video is stored, and a power supply unit that supplies power when the data storage unit 1 is removed from the navigation device A 1e. As the data storage unit 1, a hard disk drive (HDD), an SD card, a flash memory, or the like can be used. The content playback history data is composed of data of content type such as played content name, artist and genre, content cumulative playback time when the content is played back, and content playback environment type such as inside and outside the vehicle where the content is played back. Has been.

  The control unit 2 selects a content such as an input from an AM radio, an FM radio, a television, a data storage unit 1 and a content data input unit 4 and reproduces it, and a content information acquisition unit 3b. A music list creation unit 2b (digital data selection means) that creates a music list by selecting music based on a destination that can be stored at the arrival time from the acquired information to the destination, and a music list creation unit 2b A content recording unit 2c (writing means) that stores (records) digital data in the content recording data storage unit 1c based on the music list, and a change and storage of music that stores the content recording unit 2c according to a change in arrival time A storage control unit 2d for controlling the change of the bit rate of the music to be played, and a route for performing route search in the navigation device A A search unit 2e (route searching means) is configured to include the arrival time calculation unit 2f for calculating the arrival time from the current position to the destination in the detected path route search unit 2e (arrival time calculation means).

  The music list creation unit 2b is configured to create a list by selecting music based on the destination from the information of the music or video digital data acquired from the content information acquisition unit 3b. . Here, in the case of music, it is possible to create a music list according to the destination by grasping the contents of the song name, lyrics, singer, rhythm, etc. in the content information acquisition unit 3b. If it is near, music can be selected based on lyrics, song titles, singers, etc. related to the sea.

  The data acquisition unit 3 includes a content reading unit 3a that reads digital data of music, video, and audio via the content data input unit 4, and a content information acquisition unit 3b that acquires information about the content read by the content reading unit 3a. And is configured. Here, the content information acquisition unit 3b is configured to be able to acquire information such as lyrics, song titles, singers and the like from music, video and audio digital data input from the content data input unit 4.

The content data input unit 4 is a music CD, music DVD, video CD, video DVD, or movie D.
It is configured to be able to read content such as VD, and to be able to input music or video content by connecting portable audio, hard disk audio, portable audio using flash memory, etc. It is configured. In the embodiment of the present invention, music stored in a music DVD is read from the content data input unit 4 and stored in the content data storage unit 1c. Here, it is assumed that a large amount of music is stored on the music DVD.

  The input unit 5 can operate the navigation device A, and is configured to be able to perform setting of a destination, adjustment of volume, selection of reproduction content, and the like, for example.

  The display unit 6 is configured to be able to display map data display, route guide map, content information being reproduced, arrival time at the destination, and the like.

  The position detector 7 detects the current position of the vehicle in the navigation device A. In addition, the vehicle speed detection unit 8 is configured to detect the speed of the vehicle in order to link the moving speed of the vehicle and the moving speed of the map display when the navigation apparatus A performs map display.

  As shown in FIG. 2, the navigation apparatus A is configured such that the data storage unit 1 is detachable. For example, music stored in the content data storage unit 1c by connecting headphones 1f to the data storage unit 1 The headphone 1f is, for example, a general speaker or headphones, and the headphone 1f is connected to the data storage unit 1, and the music stored in the content data storage unit 1c is data. The playback unit 1d can be played back and enjoyed.

  Next, the operation of the navigation apparatus A according to the first embodiment configured as described above will be described in detail with reference to the drawings. FIG. 3 is a flowchart showing the operation of the navigation device according to the first embodiment of the present invention.

  First, when a destination is set (S1) from the input unit 5 of the navigation device A, a route from the current location to the destination is searched by the route search unit 2e, and the arrival time to the destination in the searched route is received. The time calculation unit 2f calculates (S2). Further, the music list creation unit 2b determines whether or not the music related to the destination is recorded on the music DVD input from the content data input unit 4 (S3), and the music related to the destination is the music DVD. (S3, YES), music related to the destination is extracted from the music DVD (S4). Then, music related to the destination that can be stored within the arrival time to the destination is selected to create a music list (S5), and the content recording unit 2c is used to generate music content data based on the created music list. It preserve | saves at the preservation | save part 1c (S6).

  If it is determined in S3 that there is no music related to the destination in the music DVD input from the content data input unit 4 (S3, NO), the music DVD can be stored within the arrival time to the destination. The stored music is selected (S7) and saved in the order of the selected music (S7a).

When the destination is set, the navigation device A configured in this manner extracts music according to the destination, creates a music list that can be stored by the arrival time to the destination, and creates music based on the music list. Therefore, even when the content data storage unit 1 is removed from the navigation device A and used as portable audio after arrival at the destination (see FIG. 2), music corresponding to the destination is stored in the content data. The data can be reproduced and enjoyed using the data reproducing unit 1d of the unit 1.

  Further, even when there is no music related to the destination, the music can be stored in accordance with the arrival time of the destination, and after arrival at the destination, the content data storage unit 1 is removed from the navigation device A and is portable. Even when used as audio (refer to FIG. 2), only the data that can be completely stored during the time of arrival at the destination is stored, so that music using the data playback unit 1d of the content data storage unit 1 can be used without any discomfort. Can play and enjoy.

(Second Embodiment)
Next, a second embodiment will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected about the same location as 1st Embodiment, and detailed description is abbreviate | omitted.
FIG. 4 is a flowchart showing the operation of the navigation device according to the second embodiment of the present invention.

The configuration of the navigation device A in the second embodiment is the same as the configuration shown in FIGS.
Here, the storage control unit 2d of the control unit 2 of the navigation device A according to the second embodiment changes the music so that the storage of the music can be completed within the arrival time according to the change of the arrival time of the destination. It is configured. For example, when storing digital data such as music, video, audio, etc. in the content data storage unit 1c of the data storage unit 1, it is changed to music that can be stored within the changed arrival time, and music when arriving at the destination. Saving can be completed. Other portions are the same as those in the first embodiment, and detailed description thereof is omitted.

  An operation of the navigation device A configured as described above will be described with reference to a flowchart. FIG. 4 is a flowchart showing the operation of the navigation device in the second embodiment.

  First, when a destination is set (S1) from the input unit 5 of the navigation apparatus A, an arrival time to the destination is calculated (S2), and whether music related to the destination is recorded on the music DVD or not. Is determined (S3). If it is determined that the music related to the destination is recorded on the music DVD (S3, YES), the music related to the destination is extracted from the music DVD (S4). Then, using the music related to the extracted destination, music that can be stored within the arrival time to the destination is selected to create a music list (S5), and the music is stored as content data based on the created music list. It preserve | saves at the preservation | save part 1c (S6).

  Further, the navigation device A detects whether there is no change in the arrival time due to a change in traffic conditions or traffic jam when music is stored in the content data storage unit 1c according to the music list (S8). Here, if a change in arrival time is not detected (S8, NO), it is stored in the content data storage unit 1c based on the created music list (S9).

When a change in arrival time is detected (S8, YES), it is determined whether the arrival time to the destination is earlier or later (S10). At this time, when it is determined that the arrival time is early (S10, YES), the music is automatically changed to music that can be stored within the changed arrival time (S20), and the changed music is stored in the content data storage unit 1c. Save (S21). If the arrival time is delayed (S10, NO), the music list created in advance in step 5 (S5) is reconstructed to create a reproduction list up to the new arrival time.
The music list is reconstructed so that the music list stored in the content data storage unit 1c of the music list created in step 5 (S5) is not stored redundantly.

  If it is determined in S3 that there is no music related to the destination (S3, NO), music that is stored within the arrival time to the destination is selected (S7), and the selected music is stored. (S7a). At this time, it is determined whether there is a change in the arrival time to the destination calculated in step 2 (S2) (S8).

  At this time, if the arrival time is not changed (S8, NO), the music selected in step 7 (S7) is stored in the content data storage unit 1c (S9a). If the arrival time is changed (S8, YES), it is determined whether the arrival time is changed earlier or later (S10). At this time, when it is determined that the arrival time is early (S10, YES), the music is automatically changed to music that can be stored within the changed arrival time (S20), and the changed music is stored in the content data storage unit 1c. Save (S21).

  If the arrival time is delayed (S10, NO), music that can be stored from the music previously selected in step 7 (S7) to the new arrival time is reselected. The music selected in step 7 (S7) is re-selected so that the music already stored in the content data storage unit 1c is not stored redundantly.

  When the destination is set, the navigation apparatus A configured in this manner extracts music according to the destination, creates a music list that can be stored from the extracted music to the arrival time to the destination, and creates a music list. The music can be saved based on the arrival time and when you arrive at the destination early, you can change to the music that can be saved within the changed arrival time and save it, so you arrive at the destination Even when music based on the destination is stored and the content data storage unit 1 is removed from the navigation device A and used as portable audio (see FIG. 2), the music corresponding to the destination is stored in the content data storage unit 1. Can be reproduced and enjoyed using the data reproducing unit 1d.

  In addition, when the arrival time is changed and the arrival at the destination is delayed, the music list created before the arrival time is changed is reconstructed. Music can be stored in the content data storage unit 1c.

  Even if there is no music related to the destination, the music can be saved according to the arrival time of the destination. When the arrival time is delayed, a large amount of music can be stored in the content data storage unit 1c. After arrival at the destination, content data is stored from the navigation device A. Even when the unit 1 is removed and used as portable audio (see FIG. 2), only the data that can be completely stored during the time of arrival at the destination is stored, so the data in the content data storage unit 1 is not uncomfortable. Music can be played back and enjoyed using the playback unit 1d.

(Third embodiment)
Next, a third embodiment will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected about the same location as 1st Embodiment and 2nd Embodiment, and detailed description is abbreviate | omitted.
FIG. 5 is a flowchart showing the operation of the navigation device according to the third embodiment of the present invention.

The configuration of the navigation device A in the third embodiment is the same as the configuration shown in FIGS.
Here, the storage control unit 2d of the control unit 2 of the navigation device A according to the third embodiment automatically sets the bit so that the music storage can be completed within the arrival time according to the change of the arrival time at the destination. Configured to change rate. For example, when digital data such as music, video, and audio is stored in the content data storage unit 1c of the content data storage unit 1, the bit rate is changed and stored, so that the storage of the music is completed when it arrives at the destination. be able to.

  An operation of the navigation device A configured as described above will be described with reference to a flowchart. FIG. 5 is a flowchart showing the operation of the navigation device according to the third embodiment.

  First, when a destination is set (S1) from the input unit 5 of the navigation apparatus A, an arrival time to the destination is calculated (S2), and whether music related to the destination is recorded on the music DVD or not. Is determined (S3). If it is determined that the music related to the destination is recorded on the music DVD (S3, YES), the music related to the destination is extracted from the music DVD (S4). Then, using the music related to the extracted destination, music that can be stored within the arrival time to the destination is selected to create a music list (S5), and the music is stored as content data based on the created music list. It preserve | saves at the preservation | save part 1c (S6).

  Further, the navigation device A detects whether there is no change in the arrival time due to a change in traffic conditions or traffic jam when music is stored in the content data storage unit 1c according to the music list (S8). Here, if a change in arrival time is not detected (S8, NO), it is stored in the content data storage unit 1c based on the created music list (S9).

  When a change in arrival time is detected (S8, YES), it is determined whether the arrival time to the destination is earlier or later (S10). At this time, when it is determined that the arrival time is earlier (S10, YES), the bit rate to be stored is changed (S30), and the music is stored in the content data storage unit 1c at the changed bit rate (S31).

  If the arrival time is delayed (S10, NO), the music list created in advance in step 5 (S5) is reconstructed to create a reproduction list up to the new arrival time. The music list is reconstructed so that the music list stored in the content data storage unit 1c of the music list created in step 5 (S5) is not stored redundantly.

  If it is determined in S3 that there is no music related to the destination (S3, NO), music that is stored within the arrival time to the destination is selected (S7), and the selected music is stored. (S7a). At this time, it is determined whether there is a change in the arrival time to the destination calculated in step 2 (S2) (S8).

  At this time, if the arrival time is not changed (S8, NO), the music selected in step 7 (S7) is stored in the content data storage unit 1c (S9a). If the arrival time is changed (S8, YES), it is determined whether the arrival time is changed earlier or later (S10). At this time, when it is determined that the arrival time is earlier (S10, YES), the bit rate to be stored is changed (S30), and the music is stored in the content data storage unit 1c at the changed bit rate (S31).

  If the arrival time is delayed (S10, NO), music that can be stored from the music previously selected in step 7 (S7) to the new arrival time is reselected. The music selected in step 7 (S7) is re-selected so that the music already stored in the content data storage unit 1c is not stored redundantly.

When the destination is set, the navigation apparatus A configured in this manner extracts music according to the destination, creates a music list that can be stored from the extracted music to the arrival time to the destination, and creates a music list. The music can be saved based on the time of arrival, and when the arrival time changes and arrives at the destination early, the bit rate for saving the music can be changed and saved so that it can be saved within the changed arrival time Therefore, even when music based on the destination is stored before the arrival at the destination, and the content data storage unit 1 is removed from the navigation device A and used as portable audio (see FIG. 2), it corresponds to the destination. Music can be played back and enjoyed using the data playback unit 1d of the content data storage unit 1.

  In addition, when the arrival time is changed and the arrival at the destination is delayed, the music list created before the arrival time is changed is reconstructed. Music can be stored in the content data storage unit 1c.

  Even if there is no music related to the destination, the music can be saved according to the arrival time of the destination, and if the arrival time changes and the arrival time becomes early, the music is saved. Since the content data storage unit 1c can store a lot of music when the arrival time is delayed, the content data is stored from the navigation device A after arrival at the destination. Even when the unit 1 is removed and used as portable audio (see FIG. 2), only the data that can be completely stored during the time of arrival at the destination is stored, so the data in the content data storage unit 1 is not uncomfortable. Music can be played back and enjoyed using the playback unit 1d.

  As mentioned above, although the navigation apparatus A of this invention was demonstrated using 3rd Embodiment from 1st Embodiment, this application is not limited and various changes can be made. FIG. 6 is a schematic diagram illustrating a display example displayed on the display unit in another embodiment.

  For example, as shown in FIG. 6, in the setting items displayed on the display unit 6 of the navigation device A, the priority storage music list setting item is set so that the music to be preferentially stored when the destination is set can be set. It may be displayed and set in advance by the user of the navigation device A.

  In addition, the navigation device A of the present invention is configured to store the music corresponding to the destination within the arrival time. For example, as much music as possible according to the destination within the arrival time is stored in the content data storage unit 1c. You may comprise so that it may preserve | save. If comprised in this way, many music numbers can be preserve | saved by the time which arrives at the destination.

  In addition, when the user of the navigation apparatus A of the present invention presets a favorite artist and selects music according to the destination, the music of the set artist is preferentially selected and stored. You may comprise.

  As described above, the navigation device according to the present invention calculates the arrival time from the current position to the destination by the arrival time calculation means, and relates to the destination that can be stored in the information recording means within the calculated arrival time. Since the control means controls so that the selected digital data is selected by the selection means, the navigation device can preferentially select the digital data that can be stored in the information recording means by the arrival time and save it in the information recording means It is also useful as a navigation device that can be used with the information recording means attached to and detached from the navigation device when it arrives at the destination.

The block diagram which shows the navigation apparatus of the 1st Embodiment of this invention Schematic diagram showing a state where the data storage unit is detached from the navigation device The flowchart which shows operation | movement of the navigation apparatus in the 1st Embodiment of this invention. The flowchart which shows operation | movement of the navigation apparatus in the 2nd Embodiment of this invention. The flowchart which shows operation | movement of the navigation apparatus in the 3rd Embodiment of this invention. The schematic diagram which shows the example of a display displayed on a display part in other embodiment

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Data storage part 1a Map data storage part 1b Content reproduction history storage part 1c Content data storage part 1d Data reproduction part 1e Power supply part 1f Headphone 2 Control part 2a Content reproduction part 2b Music list creation part 2c Content recording part 2d Storage control part 2e route search unit 2f arrival time calculation unit 3 data acquisition unit 3a content data reading unit 3b content information acquisition unit 4 content data input unit 5 input unit 6 display unit 7 position detection unit 8 vehicle speed detection unit A navigation device

Claims (5)

Route guidance means for setting a destination from the current position based on the map data, route guidance means , arrival time calculation means for calculating the arrival time from the current position to the destination, and digital data of music, voice and video Digital data acquisition means for acquiring, information recording means for storing the digital data and storing the digital data, and the digital of the genre corresponding to the destination set by the route guidance means Digital data selection means for selecting data, and control means for controlling the digital data selection means so as to select the digital data that can be stored in the information recording means within the arrival time calculated by the arrival time calculation means When the navigation, characterized in that it comprises a writing means for storing the digital data in the information recording unit Location. The navigation apparatus according to claim 1, wherein the information recording unit includes a reproducing unit configured to reproduce and store the digital data configured to be detachable. Route guidance means for setting a destination from the current position based on map data, route guidance means, digital data acquisition means for acquiring digital data of music, voice and video, and the map data is recorded and the digital Information recording means configured to be able to store data, digital data selection means for selecting the digital data of a genre corresponding to the destination set by the route guidance means, and the digital data to the information recording means Writing means to save,
It said writing means, wherein a to Luna navigation device further comprising a bit rate changing means for changing the bit rate for storing the digital data in the information recording unit. The navigation apparatus according to claim 3 , wherein the bit rate changing means changes the bit rate according to an arrival time to a destination. The navigation device determines whether or not the digital data can be stored in the information recording means when a change in the arrival time is detected by the change detecting means and a change detecting means for detecting the change in the arrival time. The navigation apparatus according to claim 1, further comprising a storage determination unit that performs the storage determination.

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