JPH0981959A - Information recording medium and on-vehicle information recording/reproducing device using it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reproduce together navigation information and multimedia information independent of the navigation information without necessity for independently providing a navigation system and another information reproducing system in an information recording medium and an information recording/reproducing device. SOLUTION: By using a sheet of phase transition disk 6 having a reproducing exclusive area 21 in which map information for navigation and related information incidental to it are beforehand recorded, and a recording/reproducing area 22 capable of recording the multimedia information such as music, animation, etc., independent of the navigation information, a user can operate together the navigation and the reproduction, etc., of music, animation by an information recording/reproducing system, and the handleability is improved. Further, since the navigation and the recording/reproducing of the music, animation, etc., are performed simultaneously by one information recording/reproducing system using a sheet of the phase change optical disk 6, an occupancy space of an on-vehicle information recording/reproducing device is reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention particularly relates to an information recording medium used for an in-vehicle navigation system and an in-vehicle information recording / reproducing apparatus using this information recording medium.

[0002]

2. Description of the Related Art Conventionally, in a vehicle-mounted navigation system, a vehicle position information obtained from a GPS receiver or the like and a CD
-Based on the map information recorded in a recording medium such as a ROM, the current position on the road is displayed and the route is guided at the road, intersection, etc.

FIG. 9 is a block diagram showing the structure of a vehicle-mounted navigation system. The information recording medium of the optical disk reproducing device 13 records map information for navigation and related information associated therewith, for example, character and symbol characters, business introductions of hotels, restaurants, etc., service information of tourist spot guidance, and the like. The existing CD-ROM is used.

The position sensor 12 includes a GPS receiver, a distance,
Calculate the vehicle position information based on the information from the direction sensor, etc.
Send to PU14. According to the instruction from the operation unit 11, the CPU 14 retrieves necessary information from the optical disk device 13 based on the vehicle position information, and controls the display screen control unit 15 to display the desired information on the screen.

CD-ROMs are mainly used as the information recording medium used in the in-vehicle navigation system because they require a large recording capacity. No new information can be recorded.

As an example for solving this problem, in "Digital data recording / reproducing apparatus and digital data recording / reproducing method" disclosed in Japanese Patent Laid-Open No. 6-215481, there is a reproduction-only area on one disc. A method of using a partial ROM in which recordable areas are mixed is shown.

In the "digital data recording / reproducing apparatus and digital data recording / reproducing method" disclosed in Japanese Patent Laid-Open No. 6-215481, it is possible to record change / addition information for the information in the reproduction-only area in the recordable area.

On the other hand, in the car audio system, C
Recording media for music such as D (compact disc), MD (mini disc), and compact cassette, and a reproducing device thereof are used.

In addition, there are some recent car-mounted navigation systems that can reproduce other applications such as music by making the CD-ROM compatible with the CD.

In this case, since the navigation-related information and the music information are recorded in different recording media, the navigation and the music reproduction cannot be executed simultaneously by one disk drive.

[0011]

However, the C used in the conventional navigation system as described above is used.
Only the navigation-related information is recorded in the D-ROM and the partial ROM. Therefore, in order to simultaneously reproduce the navigation information and the multimedia information such as music and moving images that are unrelated to the navigation information, since each information is recorded in different storage media, a plurality of It is necessary to mount both the information recording medium and its recording / reproducing system in a car.

As a result, there is a problem that the space required by these systems in a vehicle becomes large. Further, in this case, for the user, the navigation operation is performed by the system dedicated to the navigation, and the operation of reproducing the multimedia information such as music and moving images unrelated to the navigation is performed by the corresponding in-vehicle dedicated system. In addition, the operations of a plurality of recording / reproducing systems must be performed in parallel, which is a complicated and troublesome operation.

The present invention has been made in view of the above problems, and it is not necessary to separately provide a navigation system and another information reproducing system, and the navigation information and the navigation information are irrelevant. An object of the present invention is to provide an information recording medium capable of reproducing together with multimedia information and an in-vehicle information recording / reproducing apparatus using this information recording medium.

[0014]

That is, an information recording medium according to claim 1 of the present invention is one information recording medium having a read-only first area and a recordable second area. A reproduction-only first area in which predetermined navigation map information and related information associated therewith are recorded, and change / addition information and navigation for the navigation information recorded in the first area. Recordable information that can be played independently of the operation, such as music, video, still image, in-vehicle entertainment information consisting of text, etc., or only multimedia information unrelated to the navigation information is recorded. 2 areas are provided.

That is, in the information recording medium according to the first aspect, the predetermined navigation map information and related information associated therewith are reproduced in the first area, and the navigation information is changed / added. Since both the information and the multimedia information irrelevant to the navigation information or the multimedia information irrelevant to the navigation information are respectively recorded in the second area that can be recorded, 1 One recording / reproducing system can reproduce both the navigation information and the multimedia information unrelated to the navigation information.

Further, in the in-vehicle information recording / reproducing apparatus according to the second aspect of the present invention, the reproduction-only first area in which the predetermined navigation map information and the related information are recorded, and Only the information of both the change / addition information for the navigation information recorded in the first area and the multimedia information unrelated to the navigation information or the multimedia information unrelated to the navigation information is used. Recordable second recorded
And a reproduction of the navigation information recorded in the first area and the reproduction of the multimedia information recorded in the second area. Recording / reproducing means for time-divisionally recording multimedia information in the second area using one head, and information reproduced in time-division by the recording / reproducing means separately according to the type of the information. A plurality of buffer memories temporarily stored in the plurality of buffer memories, different kinds of information parallel output means for outputting different kinds of information temporarily stored in the plurality of buffer memories to the outside in parallel, and reproduction of navigation information by the recording / reproducing means. And an operation means for independently operating the recording and reproducing of the multimedia information.

That is, in the in-vehicle information recording / reproducing apparatus according to the second aspect, the reproduction of the navigation information stored in the first area of the information recording medium and the reproduction of the multimedia information recorded in the second area are performed. Alternatively, the recording of the multimedia information in the second area is performed in a time-sharing manner by using one head of the recording / reproducing means, and the information reproduced in the time-sharing manner is buffered separately according to the type of the information. The different types of information temporarily stored in the memory and temporarily stored in the separate buffer memories are output to the outside in parallel by the heterogeneous information parallel output means. It is possible to reproduce multimedia information unrelated to the navigation information in parallel.

The on-vehicle information recording / reproducing apparatus according to claim 3 of the present invention is the on-vehicle information recording / reproducing apparatus according to claim 2, further comprising a vehicle position detecting means for detecting a vehicle position. If the own vehicle position detected by the own vehicle position detecting means exists within a predesignated area of the navigation map information recorded in the first area of the information recording medium, the recording / reproducing Control means for reproducing the multimedia information recorded in the second area of the information recording medium by the means.

That is, in the on-vehicle information recording / reproducing apparatus according to the third aspect, the vehicle position detected by the vehicle position detecting means is the navigation map information recorded in the first area of the information recording medium. When entering the pre-designated area, the multimedia information recorded in the second area of the information recording medium is reproduced by the recording / reproducing means. It can be notified by reproducing the information.

Further, according to the present invention, external signal input means, multimedia information information output means, and information recording / reproducing means for information recording medium are provided on a bus line via buffer memories respectively attached thereto. It is characterized by being connected. Further, the present invention is characterized in that multimedia information that can be received by wire or wirelessly in the vehicle is recorded in the second area of the information recording medium.

[0021]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing the configuration of an in-vehicle information recording / reproducing apparatus according to an embodiment of the present invention.

The position information obtained by the position sensor 2 is input to the device body 1 of the on-vehicle information recording / reproducing device. That is, the position sensor 2 receives position information from GPS satellites, and the computer incorporated in the apparatus main body 1 calculates the current position based on this position information.

The FM antenna 3 receives FM radio waves, and the received information is input to the apparatus main body 1. Here, an operation unit 9 is connected to the apparatus main body 1, and the user uses the operation unit 9 to set operation modes of various navigations and to display multimedia information such as music and moving images unrelated to the navigations. Perform recording / playback operation.

On the display screen 4, various kinds of navigation information such as current position information obtained by a computer built in the apparatus main body 1 and information about multimedia information such as music and moving images are displayed.

The voice output device 10 outputs a guidance voice or the like during navigation operation. Further, the device body 1
An insertion port 5 for inserting a recording medium is provided on the front surface of the optical disk, and a phase change optical disk 6 having a diameter of 86 mm is inserted therein.

On the phase change optical disk 6, there are recorded navigation map information and related information associated therewith, and multimedia information such as music, moving images and the like which are unrelated to the navigation information.

The apparatus main body 1 includes the phase change optical disk 6
A recording / reproducing apparatus 53 (see FIG. 4) for reproducing the information recorded on the optical disc and for recording the information on the phase change optical disc 6.
Is built in.

As a result, multimedia information such as music and images from the external input terminal 7 and the FM antenna 3 is recorded at a predetermined location on the phase change optical disk 6 and the navigation information recorded on the phase change optical disk 6 is recorded. The map information and related information associated therewith, and multimedia information such as music and moving images that are unrelated to the navigation information are output through the display screen 4, the audio output device (speaker) 10, and the external output terminal 8.

Recording / reproducing apparatus 53 built in the apparatus main body 1
(See FIG. 4) is for recording / reproducing information for navigation and plural kinds of multimedia information in a time division manner.
The various information recorded / reproduced by the recording / reproducing device 53 includes a plurality of buffer memories 4 depending on the type of the information.
6, 50, 51, 52, 55, 60, 61 (see FIG. 4)
Is temporarily stored in.

Thus, the user can simultaneously record and reproduce the navigation information and the multimedia information such as music and moving images which are unrelated to the navigation information. FIG.
FIG. 6 is a diagram showing an arrangement of a read-only area 21 and a recording / reproducing area 22 of the phase change optical disc 6 used in the on-vehicle information recording / reproducing apparatus.

FIG. 3 is a view showing the arrangement of the TOC area 31 for file management of the phase change optical disk 6 used in the on-vehicle information recording / reproducing apparatus. The phase change optical disk 6 is
Similar to the compact disc, the read-only area 21 in which predetermined information is recorded in advance and the recording / reproducing area 22 in which a phase change film is formed and desired information can be recorded / reproduced are combined.

A TOC is provided on the inner circumference of the recording / reproducing area 22.
An area 31 exists and the TOC area 31 is used to manage the information recorded in the recording / reproducing area 22. In the reproduction-only area 21, predetermined map information for navigation and related information associated therewith are recorded in advance. In addition, in the recording / reproducing area 22, according to the user's operation of the operation unit 9, the change / change regarding the navigation is performed.
Additional information and multimedia information such as music, moving images, and the like, which are unrelated to the navigation information, are recorded.

In the TOC area 31, various kinds of information recorded in the recording / reproducing area 22 are provided for navigation,
Information for identifying each type such as music and moving images is also recorded. In addition, in the TOC area 31, when the information recorded in the recording / reproducing area 22 is information-compressed, the information of the compression method is also recorded.

FIG. 4 is a block diagram showing the internal structure of the apparatus main body 1 of the on-vehicle information recording / reproducing apparatus. When the control signal S41 from the operation unit 9 is supplied to the CPU 48, the CPU 48 sets the operation mode according to the control signal S41, and the recording / reproducing device 53 and the data control unit 4 are set.
9, 54, the display screen controller 47, the audio output controller 56,
Control signals are sent to the audio output control unit 58 and the memories 46, 50, 51, 52, 55, 60, 61 which are buffer memories to execute control according to various set operation modes.

The execution of navigation and the reproduction of multimedia information such as music, moving images and the like unrelated to navigation are realized by the information flow described below.
Based on the control signal S41 from the operation unit 9, C
When a control signal is sent from the PU 48 to the recording / reproducing apparatus 53, desired information is read by the recording / reproducing apparatus 53, temporarily stored in the time-division buffer memory 52, and then via the data control unit 49. It is sent to the bus line 63.

Then, the information sent on the bus line 63 is sent to the display buffer memory 50 for video information, the audio buffer memory 55 for navigation audio information, and the music information for navigation by the data control section 54. Like the audio buffer memory 60, the buffer memories 50, 55 and 60 corresponding to the respective types of information are loaded.

The information taken into the buffer memories 50, 55 and 60 is displayed on the display screen 4, the speaker 10 and the external output via the display screen control unit 47, the audio output control unit 56 and the audio output control unit 58, respectively. It is output to the terminal 8.

Normally, an audio speaker (not shown) is connected to the external output terminal 8, and music is output from the audio speaker. Here, in the navigation processing, when the position information S42 from the position sensor 2 is supplied to the CPU 48, the CPU 48
The map information reproduced from the recording / reproducing device 53 and the information accompanying it are combined, and navigation information such as own vehicle position information on the map is stored in the display buffer memory 50, and via the display control unit 47. It is output to the display screen 4.

Similarly for voice guidance, voice guidance information is stored in the voice buffer memory 55, and the voice output control unit 5
It is output from the speaker 10 via 6. On the other hand, recording of multimedia information such as music, moving images and the like, which is unrelated to the navigation information, is realized by the information flow described below.

The multimedia information is input from the external input terminal 7 and stored in the external input buffer memory 61, or is converted into a digital signal by the A / D converter 45 from the FM antenna 3 through the FM receiver 64. Converted FM
It is stored in the input buffer memory 46.

Based on the control signal S41 from the operation unit 41, the CPU 48 sends the FM signal information stored in the FM input buffer memory 46 to the bus line 63 if the FM signal is recorded.

Then, the FM signal information sent to the bus line 63 is temporarily stored in the recording buffer memory 51 and recorded in the recording / reproducing area 22 on the phase change optical disk 6 in the recording / reproducing device 53.

Information can be recorded from the external input terminal 8 in the same manner as the FM signal information. On the other hand, when performing the navigation process and the music playback process at the same time, the map information for navigation and related information associated therewith, and the music information are transmitted from the recording / reproducing device 53 as needed. Read bus line 63 for division
To send to. Then, the data control unit 54 takes in the information sent out on the bus line 63, stores it in the display buffer memory 50 if it is video information, and stores it in the audio buffer memory 55 if it is audio information for navigation. If so, it is stored in the audio buffer memory 60.

The CPU 48 uses the buffer memories 5
Control of time-divisional information reading from the recording / reproducing device 53 is performed so that the respective information stored in 0, 55, and 60 is not empty, and the buffer memories 5 described above are also provided.
When the information stored in each of 0, 55, and 60 has a predetermined amount of information or more, the information is not read out.

Then, each of the buffer memories 50, 5
The information is read out from the terminals 5 and 60 in parallel, the navigation is displayed on the display screen 4, the voice is guided by the speaker 10, and the music is reproduced by the audio speaker (not shown) connected through the external output terminal 8. Are executed simultaneously.

Next, the buffer memories 52 and 5 when the navigation process and the music reproducing process are simultaneously executed.
The flow of information at 0 and 60 will be described. FIG. 5 is a diagram showing the information storage state between the buffer memories 52, 50, 60 accompanying the simultaneous execution of the navigation processing and the music reproduction processing by the in-vehicle information recording / reproducing apparatus.

First, the processing step "SP" in FIG.
At 0 ″, the navigation image data “2” newly read by the recording / reproducing device 53 is stored in the time-division buffer memory 52, and the navigation image data already stored in the time-division buffer memory 52 is stored. The image data “1” is sent to the bus line 63.

Further, from the display buffer memory 50 and the audio buffer memory 60, navigation image data "0" already stored in each of them.
And music data “A” are output in parallel, and the display screen 4
Is displayed and music is reproduced by an audio speaker (not shown) via the external output terminal 8.

At the subsequent processing step "SP1", the music data "C" newly read from the recording / reproducing device 53 is stored in the time division buffer memory 52 and is already stored in this buffer memory 52. The music data “B” is sent to the bus line 63.

At this time, in the display buffer memory 50,
The navigation image data "1" sent out on the bus line 63 in the step "SP0" is stored.

From the display buffer memory 50 and the audio buffer memory 60, following the step "SP0", image data "0" for navigation and data "A" for music are respectively output in parallel for navigation. The image data “0” is displayed on the display screen 4, and the music data “A” is reproduced by the audio speaker (not shown) through the external output terminal 8.

Thereafter, in the subsequent processing step "SP2", a similar flow of information causes the division buffer memory 52 to store new navigation image data "3", and the audio memory 60 to store new navigation image data "3". "SP1"
Data for music “B” sent on the bus line 63 at
Is stored, and the image data for navigation "0" and the data for music "A" are output simultaneously after the "SP1".

Thereafter, processing steps "SP3" and "S" are similarly performed.
By repeating P4 ″ ..., The navigation image data and the music data which are sequentially read by the recording / reproducing device 53 into the time-division buffer memory 52 are temporarily stored in the corresponding buffer memories 50 and 60. Then, they are output in parallel and are simultaneously output on the display screen 4 and the audio speaker.

Next, a case will be described in which new information that does not exist in the buffer memory is read by operating the operation unit 9. FIG. 6 shows each buffer memory 52, 50, 60 at the time of music selection operation accompanying simultaneous execution of navigation processing and music reproduction processing by the in-vehicle information recording / reproducing apparatus.
It is a figure which shows the information storage state between.

For example, processing steps "SP10" and "SP1"
1 ", the processing step" SP in FIG. 5 "
As in the case of "0" and "SP1", when the operation of selecting the music piece of music is performed while the navigation image data "0" is displayed and the music data "A" is output in parallel. In order to preferentially output the information regarding the selection operation of this music, the selection operation information is transmitted from the recording / reproducing device 53 through the dividing buffer memory 52 and the corresponding buffer memories 50 and 55 via the bus line 63. Stored in 60.

That is, in the processing step "SP12", when the user issues a command to operate the operation unit 9 to display the music operation screen in order to select a music piece, the recording / reproducing apparatus 53 reproduces the music. The image data “X”, which is the operation screen, is read out, stored in the division buffer memory 52, and sent to the bus line 63.

Subsequently, in the processing step "SP13", the image data "X" for music operation sent on the bus line 63 is stored in the display buffer memory 50, and the display screen is displayed by the processing step "SP12". A window is opened and displayed in the navigation screen displayed in 4.

In this way, when the user operates the operation unit 9 to select a music piece to be reproduced in the processing step "SP14" in the state where the music operation screen is displayed as a window in the navigation screen, the division buffer memory 5
The music data in 2, 60 are cleared.

Then, in the processing step "SP15", the new music data "D" selected from the recording / reproducing apparatus 53 is read out, stored in the dividing buffer memory 52, and sent to the bus line 63. "SP
16 ", the audio buffer memory 6 immediately
0 is transferred and stored, and the music is played.

On the other hand, when the navigation is executed and the FM signal is recorded at the same time, the information of the FM signal once taken into the FM input buffer memory 46 from the FM antenna 3 is sent to the bus line 63 for recording. It is stored in the buffer memory 51. Further, the position information S42 from the position sensor 2 is input to the CPU 48 in time division with this, and after the map information read by the recording / reproducing device 53 and the related information attached thereto are combined by the data control unit 49. ,
Navigation information such as the synthesized vehicle position information on the map is sent to the bus line 63 and stored in the display buffer memory 50.

Further, the reading and writing of information from the phase change optical disk 6 to the time division buffer memory 52 and the writing of information from the recording buffer memory 51 to the phase change optical disk 6 in the recording / reproducing apparatus 53 are performed by time division. . Information is also recorded from the external input terminal 7 in the same manner.

FIG. 7 is a diagram showing a screen display state at the time of a music piece selecting operation accompanied by the simultaneous execution of the navigation processing and the music reproducing processing by the in-vehicle information recording / reproducing apparatus.
First, on the display screen 4, as shown in FIG. 7A, a navigation screen 71 and a menu screen 70 are displayed.

The user operates the operation unit 9 to select a desired mode from the menu screen 70. For example, when "MUSIC" on the menu screen 70 is selected, a music operation mode is set, and a menu screen 72 for music reproduction is displayed on the display screen 4 as shown in FIG. 7B. Using this music playback menu screen 72, the user performs operations such as playing, stopping, and skipping music.

Further, when "menu" is selected on the music reproduction menu screen 72, as shown in FIG. 7C,
Song selection screen 74 for selecting the song and artist name
Is opened and displayed on a part of the display screen 4.

On the other hand, when "VIDEO" is selected on the menu screen 70 shown in FIG. 7 (a), the moving image is reproduced in parallel with the navigation processing, as in the case of the music reproduction.

Further, even when the navigation mode is set, "NAVI" on the menu screen 70 is displayed.
Select operation. For example, when the user sets the mode for automatic route setting, this on-vehicle information recording / reproducing apparatus displays the map data according to the operation of the operation unit 9, and when the user subsequently sets the destination, the route is set. The route is calculated from the setting data and the current position, and the guide route is displayed and output on the display screen 4.

Further, for example, by using a home information recording / reproducing apparatus at home, the user selects and records only a favorite song on the phase change optical disc 6 from a music source such as a compact disc. By using No. 6 in the in-vehicle information recording / reproducing apparatus, the user can listen to his / her favorite music without changing the disc while navigating in the vehicle.

Further, as shown in FIG. 8, when the vehicle position 81 enters the area 80 on the map designated by the user in advance, the user designates the recording / reproducing area 22 of the phase change optical disk 6 in advance. By playing back multimedia information such as music, the user does not have to look at the map on the display screen 4,
The current position of the vehicle can be known by playing back multimedia information such as music.

Further, when the vehicle position 81 enters the user-specified area 80, the operation content of reproducing the music recorded in the recording / reproducing area 22 of the phase change optical disk 6 specified by the user in advance is described. By recording in the recording / reproducing area 22 of the phase-change optical disk 6 as the mode setting for the user, the user can automatically select music such as music depending on the position of the own vehicle, and the favorite music of the user depending on the place. It is possible to enjoy the drive for playing and to reach the destination with music specified by the user.

Further, by carrying one phase change optical disk 6 on which the user's unique mode setting is carried,
Even in the in-vehicle information recording / reproducing apparatus for different vehicles, it is possible to easily perform the navigation information reproducing process and the music information reproducing process in the user's own setting mode.

Therefore, according to the on-vehicle information recording / reproducing apparatus having the above-mentioned configuration, the reproduction-only area 21 in which the map information for navigation and related information associated therewith are recorded in advance.
And a recording / playback area 22 capable of recording multimedia information unrelated to the navigation information such as music and moving images.
By using the one phase change disk 6 having the above, the user can operate the navigation and the reproduction of the music, the moving image and the like with one information recording / reproducing system, and the usability is improved. Furthermore, the above-mentioned one phase change optical disc 6 is used.
Since the information recording / reproducing system can simultaneously perform navigation and recording / reproducing of music, moving images, etc., the space occupied by the information recording / reproducing apparatus in the vehicle can be reduced.

In the above embodiment, the case where the phase change optical disk 6 is used as the information recording medium for recording the navigation information and the multimedia information irrelevant to the navigation information has been described. The present invention is not limited to this, and a recording medium such as a magneto-optical disk can also be used.

Furthermore, in the above-mentioned embodiment, the diameter of the phase change optical disk 6 is limited to 86 mm, but optical disks of various sizes can be used. Further, in the above-described embodiment, the case where the remote controller is used as the operation unit 9 has been described, but operation means such as pen input and voice input can be applied.

Further, in FIGS. 2 and 3, the inner circumference of the phase change optical disk 6 is arranged as the reproduction-only area 21 and the outer circumference is arranged as the recording / reproduction area 22, but the outer circumference is the reproduction-only area 21 and the inner circumference is the recording / reproduction area. You may arrange as 22.

Although the display screen 4 and the operation unit 9 are provided separately from the apparatus main body 1 in FIG. 1 of the above-described embodiment, the display screen 4 and the operation unit 9 are integrated in the apparatus main body 1. It may be provided so that it can be easily removed from the car.

[0076]

As described above, according to the information recording medium of the first aspect of the present invention, the predetermined navigation map information and the related information are provided in the reproduction-only first area, A second recordable information which is both the change / addition information to the navigation information and the multimedia information unrelated to the navigation information or the multimedia information unrelated to the navigation information. Each area is recorded, so 1
One recording / reproducing system can reproduce both the navigation information and the multimedia information unrelated to the navigation information.

According to the on-vehicle information recording / reproducing apparatus of the second aspect of the present invention, the navigation information stored in the first area of the information recording medium is reproduced and recorded in the second area. The reproduction of the multimedia information or the recording of the multimedia information in the second area is time-divisionally performed by using one head of the recording / reproduction means, and the information reproduced in this time-division is used as the information type. Accordingly, different types of information temporarily stored in the different buffer memories are output to the outside in parallel by the different information parallel output means. Therefore, in one recording / reproducing system, The navigation information and the multimedia information unrelated to the navigation information can be reproduced in parallel.

According to the on-vehicle information recording / reproducing apparatus of the third aspect of the present invention, the vehicle position detected by the vehicle position detecting means is recorded in the first area of the information recording medium. When entering the predesignated area of the navigation map information, the multimedia information recorded in the second area of the information recording medium is reproduced by the recording / reproducing means. The entry can be notified by reproducing the multimedia information.

Therefore, according to the present invention, it is not necessary to separately provide the navigation system and the other information reproducing system, and the navigation information and the multimedia information unrelated to the navigation information are reproduced together. It will be possible.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of an in-vehicle information recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram showing an arrangement of a read-only area and a recording / reproducing area of a phase change optical disc used in the in-vehicle information recording / reproducing apparatus.

FIG. 3 is a diagram showing an arrangement of a TOC area for file management of a phase change optical disk used in the in-vehicle information recording / reproducing apparatus.

FIG. 4 is a block diagram showing an internal configuration of a device body of the vehicle-mounted information recording / reproducing device.

FIG. 5 is a diagram showing an information storage state between respective buffer memories accompanied with simultaneous execution of navigation processing and music reproduction processing by the vehicle-mounted information recording / reproducing apparatus.

FIG. 6 is a diagram showing a state of information storage between the buffer memories at the time of a music piece selecting operation accompanying the simultaneous execution of the navigation processing and the music reproducing processing by the in-vehicle information recording / reproducing apparatus.

FIG. 7 is a diagram showing a screen display state at the time of a music piece selection operation accompanied by simultaneous execution of navigation processing and music reproduction processing by the in-vehicle information recording / reproducing apparatus.

FIG. 8 is a diagram showing a state where a vehicle position is approaching a designated area on a navigation map by the in-vehicle information recording / reproducing device.

FIG. 9 is a block diagram showing the configuration of a vehicle-mounted navigation system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Device main body, 2 ... Position sensor, 3 ... FM antenna, 4 ... Display screen, 5 ... Recording medium insertion slot, 6 ... Phase change optical disk, 7 ... External input terminal, 8 ... External output terminal, 9 ... Operation part, 10 ... Audio output device (speaker), 21 ... Playback exclusive area, 22 ... Recording / playback area, 31 ... TOC area (file management area), 45 ... A / D converter, 46 ... FM input buffer memory, 47 ... Display Screen control unit, 48 ... CPU, 49, 54 ... Data control unit, 50 ... Display buffer memory, 51 ... Recording buffer memory, 52 ... Time division buffer memory, 53 ... Recording / reproducing device, 55 ... Audio memory, 56 ... Audio output control unit, 58 ... Audio output control unit, 60 ... Audio buffer memory, 61 ... External input buffer memory, 63 ... Bus line, 64 ... FM receiver Receiver, 70 ... Mode menu screen, 71 ... Navigation screen, 72 ... Music reproduction menu screen, 73 ... Song number display screen, 74 ... Song selection screen, 80 ... User designated area, 81 ... Own vehicle position.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasuo Mogi 1 Komukai Toshiba Town, Saiwai-ku, Kawasaki City, Kanagawa Prefecture Corporate Research & Development Center (72) Inventor Kazuo Watanabe Komukai Toshiba, Kawasaki City, Kanagawa Prefecture Town No. 1 In stock company Toshiba Research & Development Center (72) Inventor Hiroshi Kashiwara No. 1 Komukai Toshiba Town, Kouki-ku, Kawasaki City, Kanagawa Stock Company Inside Toshiba Research & Development Center

Claims (3)

[Claims] 1. A first area dedicated to reproduction and a second recordable area.
In a single information recording medium having an area of, a reproduction-only first area in which predetermined navigation map information and related information associated therewith are recorded, and the first area recorded in the first area. Both the change / addition information for the navigation information and the in-vehicle entertainment information consisting of music, moving images, still images, texts, etc. that can be reproduced independently of the navigation operation, or multi-links unrelated to the navigation information An information recording medium comprising a recordable second area in which only media information is recorded. 2. A reproduction-only first area in which predetermined navigation map information and related information associated therewith are recorded, and changes / additions to the navigation information recorded in this first area. One recordable second area in which both information and multimedia information unrelated to the navigation information or only multimedia information unrelated to the navigation information are recorded. Information recording medium and reproduction of navigation information recorded in a first area and reproduction of multimedia information recorded in a second area, or multimedia for the second area, targeting this information recording medium Recording and reproducing means for recording and recording information in a time division manner using one head, and information reproduced in a time division manner by the recording and reproducing means. A plurality of buffer memories for temporarily storing separately according to the type of information, a heterogeneous information parallel output means for outputting different types of information temporarily stored in the plurality of buffer memories in parallel to the outside, and the recording / reproducing means. An in-vehicle information recording / reproducing apparatus comprising: an operation unit for independently operating reproduction of navigation information and recording / reproduction of multimedia information. 3. A vehicle position detecting means for detecting a vehicle position, and a vehicle position detected by the vehicle position detecting means for navigation, which is recorded in a first area of the information recording medium. When the map information is present in a predesignated area, the recording / reproducing means sets the second information of the information recording medium.
3. The in-vehicle information recording / reproducing apparatus according to claim 2, further comprising a control means for reproducing the multimedia information recorded in the area.