JPH03237482A - Navigation device - Google Patents

Abstract

PURPOSE:To accurately and safely suppliment a map memory by simple operation by additionally storing vehicle tracing data outputted from a current position detecting means in accordance with the succeeding traveling of a vehicle in the map memory as new data based upon a command outputted from a start command means. CONSTITUTION:A road input switch 3a for commanding the start of writing new map data such as a by-pass is arranged on an operation part 3. On the other hand, a memory 2a for sequentially storing the vehicle tracing data of a current vehicle position detected by an azimuth sensor and a distance sensor 6 in accordance with the succeeding traveling of the vehicle based upon a command from the switch 3a is arranged on a control part 2. When the switch 3a is turned on, the vehicle tracing data sequentially stored in the memory 2a are additionally stored in the map memory 4 by a prescribed format in accordance with the traveling of the vehicle. In the navigation device 1, map data such as a by-pass to be newly stored are accurately found out in accordance with the practical traveling of the vehicle ad additionally stored in the map memory 4.

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to the improvement of navigation devices installed in vehicles, etc., and more specifically, the present invention relates to the improvement of navigation devices installed in vehicles, etc., and more specifically, to the improvement of navigation devices installed in vehicles etc. The present invention relates to a navigation device capable of storing information.

[Prior art]

FIG. 4 is a block diagram showing an example of a conventional navigation device.

In this navigation fift51, when the operating section 52 is operated in a predetermined manner, the control section 53 etc. are activated, and the map data already stored in the map memory 54 consisting of a floppy disk or the like is read out by the control section 53. The map is displayed on a screen 55a of a CRT 55 or the like. Then, the current vehicle position is detected by the direction sensor 56, distance sensor 57, etc., and the screen 55. The above-mentioned current vehicle position etc. are displayed on the map displayed above.

In addition, in this triple navigator W51, for example, the above C
A transparent tab left 58 is placed on both sides 551 of the RT55.
is attached to the map memory 54, so that new map data such as side roads to be additionally stored can be additionally stored in the map memory 54. That is, after the operation unit 52 is operated in a predetermined manner and the tablet left 58 etc. are switched to the additional storage state,
For example, when a map locus such as the side road is drawn freehand on the tablet 58 with a stylus pen or the like, the etched map locus is additionally stored in the map memory 54 as new map data.

(flH to be solved by the invention) As mentioned above, the conventional navigation device 51 is complicated in that the driver has to map a new map one by one, and also has free hand navigation that relies on Nissin 1, KAN, etc. etc., there was a problem that new map data could not be entered accurately. Furthermore, this navigation device 51 has the disadvantage that it is dangerous while the vehicle is running, and that it is not easy to follow the map trajectory due to vibrations of the vehicle.

Therefore, the present invention makes it possible to accurately and safely and easily additionally store map data such as side roads that should be additionally stored in the map memory without requiring any human intervention. This was made for the purpose of providing a navigation device.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a function for additionally storing new map data in the map memory in addition to the map data already stored in the map memory. A navigation device equipped with a start command means for instructing the start of writing new map data, a current position detection means for detecting the current position of the vehicle, and a subsequent command of the vehicle based on the command of the start command means. Vehicle trajectory storage means for sequentially storing vehicle trajectory data outputted from the current position detection means as the vehicle travels, and vehicle trajectory data stored in the vehicle trajectory storage means is additionally stored in the map memory as new map data. The navigation device is configured as a navigation device characterized by comprising an additional storage means for storing information.

[Effect]

In this navigation device, for example, when the driver turns on the start command means when the vehicle comes to a side road that should be newly added and memorized, the subsequent driving of the vehicle is performed based on the command from the start command means. Accordingly, trace data of the vehicle # output from the current position detection means is sequentially stored in the vehicle trajectory storage means.

Then, the vehicle wh trace data stored in the vehicle trajectory storage means is additionally stored in the map memory as new map data by the additional storage means.

As described above, in this navigation device, map data to be additionally stored, such as side roads, etc., is accurately determined as the vehicle actually travels, and is additionally stored in the map memory.

〔Example〕

Hereinafter, embodiments embodying the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention.

In addition, the following example is an example embodying the present invention,
It is not intended to limit the technical scope of the present invention.

FIG. 1 is a block diagram showing a navigation device according to an embodiment of the present invention, FIG. 2 is a flowchart showing an example of the process of adding new map data to the navigation device, and FIG. 3 is a screen of the navigation device. It is a schematic diagram which shows an example of the map displayed on the top.

The navigation device 1 shown in FIG. 1 is mounted on a vehicle (not shown) or the like.

This navigation device l is a microcomputer C
It is mainly composed of a control section 2 consisting of a PU etc., and an operation section 3 which gives operation commands to this control section 2, a map memory 4 consisting of a floppy disk etc. for storing map data etc.
A direction sensor 5, a distance sensor 6, which is an example of a current position detection means for detecting the current vehicle position, and a display unit 7, such as a CRT, that displays a map, the current vehicle position, etc., are connected.

When the operation section 3 is operated in a predetermined manner, the map data already stored in the map memory 4 is read out by the control section 2, and the map data on the screen 7 of the display section 7 is read out. A map 8 is displayed above, as shown in FIG. 3, for example. And direction sensor 5. The current vehicle position is detected by the distance sensor 6, and the screen 71 is displayed.
The current vehicle position 10 is displayed on the map 8 above using a cursor, for example, as shown in this figure.

The operation unit 3 includes a road input switch 3 for instructing the start of writing new map data such as side roads. is installed.

The road manual switch 31 is an example of a start command means.

The control unit 2 also includes the road input switch 3. Based on the command from the azimuth sensor 5. as described above, the direction sensor 5. A memory 2□ is provided for sequentially storing vehicle trajectory data of the current vehicle position detected by the distance sensor 6.

Memory 2 above. is an example of the vehicle trajectory storage means.

Next, with reference to Figure @2, steps Sl, S2. ... will be explained in order.

After the navigation device 1 is activated in a predetermined manner, the vehicle moves to the current vehicle position 1 on the map 8 shown in FIG. 3, for example.
0, the driver attempts to additionally store map data of a new side road and presses the road manual switch 3. When the direction sensor 5. is turned on (Sl), the direction sensor 5. The vehicle trajectory detected by the distance sensor 6 is displayed on the screen 7. as shown by the broken line in FIG. The vehicle trajectory data is sequentially displayed on the map 8 above (32), and the vehicle trajectory data is sequentially stored in the memory 2. (S3).

Then, when the vehicle runs on, for example, a road 11 that is already stored in the map memory 4 and displayed on the map 8, the driver will drive on this road ll from now on. When it is determined that there is no need to additionally store new map data and the road input switch 31 is turned off (34), the road input switch 3. The vehicle trajectory data that is sequentially stored in the memory 21 as the vehicle travels from the time when is turned on is, for example, "Side road number A, (vehicle trajectory location I!)".
! ! The map is additionally stored in the map memory 4 in a predetermined format such as "Value)" (S5).

As described above, in this navigation device 11, map data to be newly stored, such as the above-mentioned side roads, is accurately determined as the vehicle actually travels, and is additionally stored in the map memory 4.

In addition, the operation i! for additionally storing the new map data mentioned above is also available. , the road input switch 3. It is simple and can be done safely and easily even while the vehicle is running.

Means for realizing the function of additionally storing the vehicle trajectory data stored in the memory 21 described above as new map data in the map memory 4 is an example of the additional storage means.

In the above embodiment, the time to turn on/off the road manual switch 3° was not notified, but for example, as shown by the F& line in FIG.
2 and when the vehicle enters the side road A which is not stored in the map memory 4 from the current vehicle position 10,
For example, a synthesized voice saying "This is a side road" may be emitted, and when the vehicle comes from the side road A to the above-mentioned road 11, a synthesized voice may be emitted saying "I have come to the national highway X branch line."

In this way, the driver can turn on and off the road input switch 31 based on the synthesized voice.
Furthermore, the operation of the road person switch 3□ becomes easier.

Alternatively, instead of the synthesized voice saying ``I have reached national highway If the road input switch 38 is not operated again within a predetermined time, the road input switch 3. may be forcibly turned off.

In this way, the trouble of turning off the same road passenger's inch 31 can be further saved.

In addition, the road input switch 3. Instead of turning on and off the side road, etc., which was used in the past, you can use the tablet 14 to input and reserve the side road you are planning to drive in advance, and when the vehicle comes to the specified side road, etc., the specified side road will be displayed based on a predetermined sequence. etc. may be automatically corrected and additionally stored. In this way, the trouble of turning on and off the road input switch 31 while driving can be saved.

In addition, in the above embodiment, the formants for the side roads, etc. are automatically created sequentially by the control unit 2, but when additionally storing the side roads, etc., for example, a synthesized voice such as "Please give the name of this road" etc. It may also be possible to specify a name etc. by issuing a message.

〔Effect of the invention〕

To instruct the start of writing new map data in a navigation device equipped with a function for additionally storing new map data in the map memory in addition to the map data already stored in the map memory according to the present invention. a start commanding means, a current position elucidating means for detecting the current position of the vehicle, and an output from the current position elucidating means as the vehicle subsequently travels based on the command of the start commanding means! A vehicle #L track storage means for sequentially storing II track data, and an additional storage means for additionally storing the vehicle trajectory data stored in the vehicle trajectory storage means as new map data in the map memory. A navigation device is provided which is characterized by:

Therefore, new map data such as side roads to be additionally stored can be accurately and safely added to the map memory with a simple operation.

[Brief explanation of drawings]

FIG. 11 is a block diagram showing a navigation device according to an embodiment of the present invention, FIG. 2 is a flowchart showing an example of the process of adding new map data to the same navigation device, and FIG. 3 is a block diagram showing a navigation device according to an embodiment of the present invention. FIG. 4 is a block diagram showing an example of a conventional navigation device. [Explanation of symbols] l...Navigation device 2...Control unit 2,...Memory (vehicle trajectory storage means) 3...Operation unit 3,...Road input switch (start command means) 4.・・・
Map memory 5...Direction sensor 6...Distance sensor lO...Current vehicle position

Claims (1)

[Claims] 1. In a navigation device equipped with a function for additionally storing new map data in the map memory in addition to the map data already stored in the map memory, writing new map data. a start command means for instructing a start; a current position detection means for detecting the current position of the vehicle; and an output from the current position detection means as the vehicle subsequently travels based on the command from the start command means. The present invention is characterized by comprising a vehicle trajectory storage means for sequentially storing vehicle trajectory data, and an additional storage means for additionally storing the vehicle trajectory data stored in the vehicle trajectory storage means as new map data in the map memory. navigation device.