JPH09126787A - Navigation device and recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To write and use a great deal of information in addition to map information by providing an image forming means for picking up an image in a current position or an additional information receiving means for traveling and recording image information or additional information in a recording medium to be freely inserted to drawn from an accessing means. SOLUTION: When a destination location is set by operating an operation panel 2, a map including a current position to the destination location is displayed on a monitor 32. At the same time, a controller 40 calculates a current position based electric waves from a plurality of satellites inputted from location display means 10 and the current position is displayed with a mark on the monitor 32. In the navigation device 1, the image of the outside of the car in the current position photographed by an image forming means 50 is displayed on the monitor 32. Also, additional information such as traveling recording, road traffic information received by a receiving means 60 or the like is recorded by an accessing means 20. Thus, in the device 1, in addition to the original map information, a great deal of information including an image photographed by the means 50, traveling recording and additional information are recorded and these information are utilized.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a navigation device and a recording medium.

[0002]

2. Description of the Related Art A navigation device mounted on a vehicle for guiding a driver to a destination while displaying the current position on a map is widely known. As a main component, a GPS (Global Positioning) for measuring the current position is known. System),
It is provided with an access means for reading out map information from a CD-ROM and a display means such as a liquid crystal display (LCD) for displaying the measured current position together with the map information.

Here, GPS means a positioning system which receives a plurality of radio waves from satellites and detects the position of the receiving point.

[0004]

By the way, in the conventional navigation device, the recording content and recording amount of map information and incidental information relating to traveling are limited.
Since it is recorded on a read-only recording medium such as OM, new information unique to the user cannot be written, and the user is not always satisfied. There is also a problem that a driver who is not good at reading a map cannot use the map.

The present invention has been made in view of the above points, and in addition to map information, a large amount of information relating to video information and incidental information relating to traveling can be written as user-specific information, which is easy to use. An object of the present invention is to provide a navigation device and a recording medium that can be used.

[0006]

According to the present invention, in order to achieve the above object, position detecting means for detecting the current position, access means for a recording medium recording map information, and the detected current position are displayed together with the map information. A navigation device having a display means and a control means for controlling a recording medium which is detachable from the access means, the image forming means for capturing an image at the current position or the receiving means for receiving incidental information about traveling. The video information or the incidental information is recorded.

[0007] Preferably, the navigation device is
The access means can freely access both a read-only recording medium and a read / write rewritable recording medium. Further, preferably, the recording medium is an optical disc. More preferably, the optical disk is a phase change type. Preferably, the recording medium has a read-only part and a rewritable part.

Further preferably, the read-only recording medium records map information, and the rewritable recording medium records the supplementary information. More preferably, the additional information includes a traveling record and road traffic information. Preferably, it is a recording medium in which navigation map information is recorded, and further has a rewritable recording area in which incidental information or video information regarding traveling is to be recorded.

In the present specification, traveling is not limited to land transportation, but includes navigation by sea or air transportation. The access means accesses at least the recording medium recording the map information. This recording medium may be read-only or rewritable. The supplementary information relating to traveling may be recorded on a rewritable recording medium different from the recording medium on which the map information is recorded. If the recording medium on which the map information is recorded is a rewritable medium, it may be recorded on this. Good. By using such a recording medium and means capable of accessing the recording medium, the degree of freedom of information that can be used by the navigation device is increased, and in addition to the map information, a large amount of information about supplementary information regarding driving is provided as user-specific information. Written.

At this time, the image information may be recorded by the image forming means, and if possible, it is recorded in a large-capacity rewritable recording medium. If the rewritable recording medium is a phase change type optical recording medium of the type that extracts information based on the reflection intensity of light, an access means that can be shared with a read-only medium such as a CD-ROM in which map information is recorded is provided. Easy to make.

Further, the map information is preferably a read-only recording medium because the data is more stable than a rewritable recording medium, but it is necessary to separately prepare a rewritable recording medium. Therefore, it is more preferable to use a recording medium in which a rewritable portion is provided in a part and a read-only portion is provided in another part. In addition, when the supplementary information includes the traveling record and the road traffic information, the quality of the traveling information of the navigation device is improved.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described in detail below with reference to FIG. FIG. 1 is a block diagram showing a schematic configuration of a navigation device of the present invention. The navigation device 1 includes a position detection means 10, an access means 20, a display means 30, a control device 40, an image creation means 50 and a reception means 60. It is operated by various operation buttons provided on the operation panel 2.

The position detecting means 10 has a GPS antenna 11, a GPS receiving circuit 12, and a piezoelectric vibrating gyro 13 for receiving radio waves from satellites, and the radio waves from the respective satellites received by the GPS antenna 11 pass through the GPS receiving circuit 12. After that, it is output to the control device 40. Here, the piezoelectric vibration gyro 13
Is a complementing means when the vehicle equipped with the navigation device 1 travels in the shade of a building, a tunnel, an underpass, or the like and cannot receive a radio wave from a satellite, and outputs moving direction data to the control means 40.

The access means 20 is a removable CD-ROM or rewritable (RAM).
It is a recording medium control means capable of accessing both recording media of a phase change type optical disc. Although not shown, the access means 20 also has means for recording map information on a rewritable optical disk through a CD-ROM or wired or wireless communication. The phase change type optical disc includes
User-specific video information and incidental information described below are recorded. Here, when the map information is recorded on the CD-ROM, the map information is transcribed to the optical disk of the phase change method, and the user-specific video information and incidental information to be described later are recorded in the empty area of this optical disk. It is also possible. This image information includes an image outside the vehicle at the current position captured by the video camera 51, which will be described later. In addition, other incidental information regarding travel includes travel records such as current position (latitude, longitude), travel route, date / time, transit time, and road traffic information such as closed roads, one-way streets, construction sections, and congestion sections. There is.

Here, the date / time and the like are output from the clock mechanism provided in the control device 40 to the optical disk of the access means 20 and recorded, while they are output to the display means 30 and displayed on the monitor 32. . Road traffic information such as current position (latitude, longitude), travel route, etc. and road closure information is output from the control device 40 to the optical disk of the access means 20 and recorded, while being output to the display means 30. And is displayed on the monitor 32.

As the video recording means, a VTR or a magnetic disk can be considered in addition to the above-mentioned optical disk, but the optical disk is advantageous in that it can be randomly accessed and has a large capacity and is removable. The display means 30 is
It has a drawing processing section 31 and a monitor 32 such as a liquid crystal display device. The drawing processing unit 31 processes the current position detected by the position detection unit 10 into a drawable image together with map information, incidental information and the like. The monitor 32 displays the video processed by the drawing processing unit 31. At this time, the image displayed on the monitor 32 may be either a still image or a moving image, but a moving image is preferable in the sense of displaying various kinds of information in real time.

The control device 40 controls the operation of the navigation device 1 as a whole, and is operated by a microcomputer or the like according to various programs stored in the program memory 3 in advance. Here, the control device 40
Calculates the current position based on the radio waves from a plurality of satellites input from the position detection means 10, and
The optimum traveling route (guidance route) to the set destination is calculated based on the traveling distance, traveling direction and map data. Further, when radio waves from a plurality of satellites cannot be received and the current position cannot be calculated, the control device 40 determines the vehicle speed data input from a vehicle speed sensor (not shown) and the moving direction data input from the piezoelectric vibration gyro 13. Based on the above, the moving direction and moving distance of the vehicle are calculated to obtain the developing position. The current position thus obtained is displayed on the display unit 30.
Is displayed on the map displayed on the monitor 32. Further, the control device 40 includes a temporary storage memory (RAM) 4 for temporarily storing position calculation, map data and the like.
Is connected.

The image creating means 50 has a video camera 51 and a camera control / image processing section 52. The video camera 51 is mounted at a position close to the driver's seat of the vehicle, for example, behind a rearview mirror to capture an image outside the vehicle, but it is desirable that the video camera 51 is provided with an attitude control unit so that the direction to be captured can be adjusted. The camera control / image processing unit 52 mainly performs image processing on an image captured by the video camera 51,
It is output and displayed on the monitor 32 via the control device 40, and is recorded on the optical disk of the access means 20 as video information.

The receiving means 60 includes an FM antenna 61 and an FM antenna.
It has a receiving circuit 62 and a multiplex data decoder 63. At this time, incidental information received by the FM antenna 61, for example, FM data multiplex broadcasting relating to road traffic information, is input to the multiplex data decoder 63 via the FM receiving circuit 62. The multiplex data decoder 63 receives the input F
Data relating to road traffic information is extracted from the M data multiplexed broadcast wave and output to the control device 40. Further, in order to record a larger amount of video information, it is preferable to include well-known data compression means (JPEG (still image), MPEG1, 2 (moving image), etc.).

As the receiving means 60, in addition to the above-mentioned FM data multiplex broadcasting receiving means, for example, a mobile phone, an optical communication means such as an optical beacon, or a microwave communication means such as a radio wave beacon may be used. Is also possible. The navigation device 1 configured as described above executes vehicle navigation as follows.

First, when the power of the navigation device 1 is turned on by pressing the ON button of the operation panel 2, the position detecting means 10, the access means 20, the display means 30 and the control device 4 are provided.
0, the image creating means 50 and the receiving means 60 start their respective operations, and the initial screen is displayed on the monitor 32. When the destination is set by operating the operation panel 2, a map including the current position to the destination is displayed on the monitor 32. In parallel with this, the control device 40 controls the position display means 1
The current position is calculated based on radio waves from a plurality of satellites input from 0, and the current position is marked on the map displayed on the monitor 32.

The control device 40 can also calculate the optimum traveling route to the destination and display the optimal traveling route in an overlapping manner on the map. Thereby, the driver can drive the vehicle to the destination while watching the display of the display unit 30. At this time, in the navigation device 1 of the present invention, the image outside the vehicle at the current position photographed by the image creating means 50 is displayed on the monitor 32, and if necessary, the optical disc of the access means 20 is provided as image information by the driver's instruction. Recorded in. Further, incidental information such as road records and road traffic information received by the receiving means 60 is displayed on the monitor 32 and also recorded on the optical disc of the access means 20.

Therefore, in the navigation device 1, in addition to the original map information, the user can obtain a large amount of information relating to the images taken by the image creating means 50 and incidental information such as the running record and the road traffic information received by the receiving means 60. It can be recorded on the optical disc of the access means 20 as unique new drive information.
Alternatively, by utilizing the information created by a third party, even a driver who is not good at reading a map can easily use it.

Further, since video information, incidental information such as traveling record, road traffic information and the like are recorded on a portable optical disk, these information can be used by other reproducing means, for example, a home television or a hard copy. You can Further, by re-editing various recorded data, it is possible to construct a navigation device having a database unique to the user. At this time, the record of incidental information other than the video other than the video can be used as statistical data by creating a database in a shipping company or the like, and if the road traffic information is updated to the latest one and saved. The latest road traffic information can be provided to the driver, contributing to the safe operation of the vehicle.

[0025]

As is apparent from the above description, according to the navigation device and the recording medium of the present invention, in addition to map information, a large amount of information relating to supplementary information regarding traveling or further video information is used as user-specific information. Since it can be written and has a large amount of information such as video information, anyone can easily use it.

At this time, since the access means can freely access both the read-only recording medium and the read / write rewritable recording medium, the degree of freedom of information that can be used by the navigation device can be increased. Further, since the recording medium is an optical disc, more preferably a phase change type, it is possible to easily rewrite various information and also to reproduce and use it in other devices.

Furthermore, since the recording medium has the read-only portion and the rewritable portion, it is not necessary to separately prepare a rewritable recording medium. In addition, since the supplementary information includes the traveling record and the road traffic information, the quality of the traveling information of the navigation device is improved, and it becomes easier to use.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of a navigation device of the present invention.

[Explanation of symbols]

 1 Navigation Device 2 Operation Panel 3 Program Memory 4 Temporary Storage Memory 10 Position Detection Means 11 GPS Antenna 12 GPS Reception Circuit 13 Piezoelectric Vibration Gyro 20 Access Means 30 Display Means 31 Drawing Processing Unit 32 Monitor 40 Control Device 50 Video Creation Means 51 Video Camera 52 camera control / image processing unit 60 receiving means 61 FM antenna 62 FM receiving circuit 63 multiplex data decoder

Claims (8)

[Claims] 1. A navigation device comprising position detecting means for detecting a current position, access means for a recording medium recording map information, display means for displaying the detected current position together with map information, and control means. A navigation apparatus, characterized by comprising a video creating means for taking a video at a current position or a receiving means for receiving incidental information relating to traveling, and recording the image information or the incidental information on a recording medium which can be inserted and removed from the access means. 2. The navigation device according to claim 1, wherein the access means is capable of accessing both a read-only recording medium and a read / write rewritable recording medium. 3. The navigation device according to claim 1, wherein the recording medium is an optical disc. 4. The navigation device according to claim 3, wherein the optical disc is a phase change type. 5. The navigation device according to claim 1, wherein the recording medium has a read-only portion and a rewritable portion. 6. The navigation device according to claim 3, wherein the read-only recording medium is for recording map information, and the rewritable recording medium is for recording the supplementary information. 7. The navigation device according to claim 1, wherein the additional information includes a travel record and road traffic information. 8. A recording medium on which navigation map information is recorded, further comprising a rewritable recording area in which incidental information or video information regarding traveling is to be recorded.