JPH0545171A - Navigation system - Google Patents

Abstract

PURPOSE:To obtain a navigation system capable of recognizing the present position of a moving boy using a GPS receiver, indicating the recognized present position on a map, guiding the moving body to a root and providing reference information for judging whether the root point is correct. CONSTITUTION:In a recording part 8, scenic information V on the running root photographed in advance with a photographing device 6 is recorded in the pair of position data from a GPS receiver 2, Therefore, the controller can refer the recording part using the present position P obtained from the GPS receiver 2 as a key and display the scenic information V corresponding to the present position P.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation device for recognizing a current position of a moving body by using a GPS receiver and displaying the recognized current position on a map to guide the route of the moving body. ..

[0002]

2. Description of the Related Art As a method for knowing the current position on the earth, GPS (GlobalPos) which measures the delay time of radio waves from a satellite and obtains the current position from the distance from the orbit.
is known, and G
PS receivers are generally commercially available. In a navigation device mounted on a vehicle to guide a route, the positioning result is displayed on a display device such as a CRT display using map information recorded in a storage medium such as a CD-ROM and positioning information from a GPS receiver. It was meant to be displayed on a map.

The conventional navigation device is constructed as shown in FIG. 2, and the current position is displayed on the CRT display 1.
In order to display on the CD-R playback device 4, the GPS receiver 2 first determines the position, and the control unit 3 applies the map corresponding to the recognized position information to the CD-ROM reproducing device 4.
A peripheral map is read out from the OM 5 and displayed on the CRT display 1 together with a mark indicating position information.

[0004]

When moving a vehicle to a destination by using such a conventional navigation device, the line indicating the road written on the map displayed on the CRT display 1 is used. Although it will follow the route to the destination, it is difficult to judge whether it is passing through the point that has been passed previously with only the map information, and at present, check the status of the passing point. It was due to the memory of the driver himself.

In particular, when another driver runs after receiving an explanation from a driver who has experienced a specific route, it is not possible to determine whether or not the vehicle is correctly passing through the point where the explanation is given by using only map information. It cannot be judged.

Further, the act of the driver checking the screen of the CRT display 1 while traveling causes a problem of hindering safe driving. It is an object of the present invention to provide a navigation device that can provide reference information for determining whether a required waypoint to a destination is correct.

It is another object of the present invention to provide a navigation device that can provide reference information for determining whether a waypoint is correct without hindering safe driving.

[0008]

According to a first aspect of the present invention, there is provided a navigation device which recognizes a current position of a moving body which is running.
In a navigation device that has a PS receiver and displays the recognized current position on a map, an imaging device that captures ambient information of a moving body, and current position information from a GPS receiver that captures information from the imaging device And a control unit for reading information from the recording unit in correspondence with the current position information from the GPS receiver.

According to another aspect of the present invention, there is provided a navigation device, which comprises a GPS receiver for recognizing a current position of a moving moving body, and a sound collecting device for detecting at least one of a voice message and a voice signal around the moving body. A recording unit that captures information from the sound collecting device and records it in association with the current position information from the GPS receiver, and a control unit that reads information from the recording unit in response to the current position information from the GPS receiver. It is characterized by being provided.

According to a third aspect of the present invention, there is provided a navigation device having a GPS receiver for recognizing a current position of a moving body which is running, and displaying the recognized current position on a map. An image pickup device for picking up images, a sound collecting device for detecting at least one of a voice message and a surrounding audio signal of a moving body, and current position information from a GPS receiver by taking in information from the image pickup device and the sound collecting device. It is characterized in that a recording section for recording in correspondence with each other and a control section for reading information from the recording section in correspondence with the current position information from the GPS receiver are provided.

[0011]

According to the structure of the first aspect, the recording section records the scene information of the traveling route, which has been previously photographed by the image pickup device, as a pair with the positioning data of the GPS receiver. Therefore, when traveling, the control unit can search the recording unit using the current position obtained from the GPS receiver as a key and display the scene information according to the current position.

According to the second aspect of the present invention, at least one of the voice message collected by the sound collector in advance or the ambient voice signal of the traveling route is paired with the positioning data of the GPS receiver in the recording unit. Is recorded. Therefore, when traveling, the control unit can search the recording unit by using the current position obtained from the GPS receiver as a key, and reproduce the voice message or the ambient voice signal of the travel route according to the current position.

According to the third aspect of the present invention, in the recording section, at least one of the voice message collected by the sound collecting device in advance and the ambient voice signal of the travel route and the travel route captured by the imaging device in advance. And the scene information of are recorded in pairs with the positioning data of the GPS receiver. Therefore,
When traveling, the control unit searches the recording unit by using the current position obtained from the GPS receiver as a key, reproduces a voice message or a surrounding voice signal of the traveling route according to the current position, and displays the scene information. be able to.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. It should be noted that components having the same functions as those of the conventional example shown in FIG.

FIG. 1 shows an embodiment according to a third aspect of the present invention. An image pickup device 6 for picking up a scene around a vehicle, a sound pickup device 7 for picking up a sound signal around the vehicle, and an image pickup device 6 are shown. And a recording unit 8 for recording information output from the sound collector 7.
A recording control device 9 for instructing the start of the recording operation of the recording unit 8 is added to the conventional device, and part of the control unit 3 is changed.

A recording / reproducing device capable of writing and reading information to / from a magneto-optical disk is used as the recording unit 8, and a recording control device 9 indicates that the steering wheel rotation angle of the vehicle has been cut to a specified angle or more. A steering wheel angle detection sensor for detecting is used.

The control unit 3 has the following functions in addition to the conventional functions. When traveling while accumulating information in the recording unit 8, when the driver turns the steering wheel beyond the specified angle by passing through an intersection or a three-way road, which is a branch point, the recording control device 9 detects this state and controls. Notify Part 3.

The control unit 3 which has read the output of the recording control device 9 instructs the recording unit 8 to perform recording. The recording unit 8 which has detected the recording instruction detects the scene information V of the traveling route output from the image pickup device 6, the sound signal (noise) around the vehicle detected as the sound information A by the sound collecting device 7, and the GPS. The current position information P output from the receiver 2 is paired and recorded for a specified time.

In this way, the information of the passage points to the destination is collected in the recording unit 8 in advance, and when the driver who has no traveling experience sets the control unit 3 in the navigation mode and starts traveling, the control unit The CD-ROM 4 is a CD-ROM 4 in which the position is fixed by the GPS receiver 2 and then a map corresponding to the recognized position information is applied to the CD-ROM reproducing device 3.
Then, the peripheral map is displayed on the CRT display 1 together with the mark indicating the position information to display the current position, and the recording unit 8 is searched using the current position information P as a key.

This search is carried out as follows. It is searched whether or not the information within the area of the predetermined range specified by the current position information P is recorded in the recording unit 8, and when there is a plurality of corresponding information, the number of the information is less than or equal to the specified number. In that case, only the scene information of all the information is displayed while avoiding the display position of the current position of the map displayed on the CRT display 1.

When the search operation is continued and there is only one piece of information specified by the current position information P, only the scene information of that information is displayed on the CRT display 1 in the same manner as described above, and the information of that information is also displayed. The voice information A is reproduced from the speaker 10.

In this way, the scene information of the position to be passed and the voice information of the position to be passed are automatically read and output from the recording unit 8 as the vehicle travels. Not only follows the route to the destination while confirming the current position on the map displayed on the CRT display 1, but also at the appropriate driving position.
It is possible to easily determine whether or not the vehicle is traveling on a correct route by comparing the scene information V output from the vehicle with a scene around the vehicle, even if the driver has no driving experience. Further, by comparing the voice information A reproduced from the speaker 10 with the actual noise around the vehicle, it can be determined whether or not the vehicle is traveling on the correct route.

Although the recording control device 9 of the above-mentioned embodiment is a steering wheel angle detecting sensor, the following may be used instead.・ Start recording by pressing the brake pedal. In a traffic signal, a railroad crossing, and a temporary stop area, deceleration is performed and a brake operation is performed. Traffic lights and railroad crossings are useful as elements for determining the route.

Recording is started upon detection of gear down. At intersections, traffic lights, railroad crossings, and temporary stop areas, deceleration is performed, so gear down with the shift lever or gear change of the automatic vehicle is detected, and recording is started.

The gyro device detects a change in the acceleration of the vehicle, detects the acceleration generated when passing through an intersection, a corner, etc., and starts recording.・ Start recording by voice recognition. Recognize the voice and start recording. By setting the voice to react only to the human being registered in advance, it is possible to avoid reacting to the voice of another person, the voice of the passenger, the voice from the car stereo or the radio.

Recording is started upon detection of manual operation of the switch. Each of the specific examples of the recording control device 9 described above may be implemented individually or may be configured by combining a plurality of them.

In each of the above-described embodiments, the control unit 3 detects the instruction from the recording control device 9 and performs recording for a prescribed time, so that the recording capacity can be reduced, but if the storage capacity is sufficient, the recording control is performed. Continuous recording can also be performed without providing the device 9.

In each of the above embodiments, the scene information V and the voice information A after detecting the instruction from the recording control device 9 are recorded in the recording section 8. However, the scene information V for about 10 seconds is recorded. A semiconductor memory such as a D-RAM having a capacity capable of recording the voice information A is provided in the control unit 3, and the contents of the semiconductor memory are repeatedly updated with the latest scene information V and the voice information A. When the recording instruction is detected, the scene information V and the audio information A that have passed through the semiconductor memory are sequentially recorded in the recording section 8, so that the recording control apparatus records the recording in the recording section 8. It is possible to record from a timing earlier than the time when the instruction is given, and it is possible to obtain information from the approach state of the passing point.

The recording of the scene information V in the image pickup apparatus or the recording unit 8 of each of the above-described embodiments reduces the recording capacity by taking out the scene information V as a still image or recording a part of the moving image as a still image. Is possible. When the scene information is recorded as a moving image, the traveling vibration component of the vehicle is detected by the gyro sensor, and the image signal is digitally processed based on the detection to suppress the blur of the recorded image.

In each of the above embodiments, the sound collecting device 7 has been described as detecting the voice information A around the vehicle and recording it in the recording section 8 in association with the current position information from the GPS receiver. Instead of the surrounding voice information A, a voice message pronounced by the driver of the vehicle may be detected and recorded in the recording unit 8 in association with the current position information from the GPS receiver. When a driver without a vehicle sets the control unit 3 in the navigation mode and runs, the GPS
According to the current position information from the receiver, voice messages pre-recorded from the recording unit 8 such as “You can see a pedestrian bridge in the front” and “You can see a gas station on your left” are played back, which is effective for determining the travel route. is there. The sound collecting device 7 detects at least one of the voice message and the ambient sound signal of the moving body, captures the information from the sound collecting device 7, and records it in association with the current position information from the GPS receiver 2. It can also be configured to record in a section.

As the image pickup device 6 in each of the above-mentioned embodiments, it is conceivable to turn on the photographing auxiliary light in order to make up for the lack of light amount while driving at night, but this photographing auxiliary light is dazzling to an oncoming vehicle and a person passing by. Are very dangerous. Therefore, in the present invention, auxiliary light having a wavelength in the infrared region is used, and a wavelength conversion function for converting infrared light into visible light and outputting it as a video signal is added, and this wavelength conversion function is used only when auxiliary light is used. To operate.

In each of the above-mentioned embodiments, the image pickup device 6 and the sound collecting device 7 are provided, but when the sound collecting device 7 is not provided as in claim 1, or as in claim 2. Even when the image pickup device 6 is not provided, the scene information V or the voice information is recorded in the recording unit in association with the current position information from the GPS receiver 2, and the current position information is set when the vehicle is traveling by setting the navigation mode. By playing back corresponding to, it is useful for determining the traveling route.

[0033]

According to the navigation device of the present invention, the navigation device has a GPS receiver for recognizing the current position of a moving vehicle, and displays the recognized current position on a map. In the device, an imaging device that captures information about the surroundings of a moving body, a recording unit that captures information from the imaging device and records it in association with current position information from a GPS receiver, and current position information from the GPS receiver are recorded. Since a control unit for reading the information from the recording unit is provided correspondingly, the scene information corresponding to the passing position of the vehicle can be displayed together with the road map information, and the passing route can be accurately determined and the route of the vehicle. Induction is improved.

According to another aspect of the present invention, the navigation device detects at least one of a GPS receiver for recognizing the current position of the moving vehicle and a voice message and a voice signal around the vehicle. Sound collecting device, a recording unit that captures information from the sound collecting device and records the information in association with the current position information from the GPS receiver, and information from the recording unit corresponding to the current position information from the GPS receiver Since a control unit for reading out is provided, it is possible to reproduce at least one of the voice message corresponding to the passing position of the vehicle and the voice signal around the moving body together with the road map information,
The driver can accurately determine the passing route, improve the route guidance of the vehicle, and play the sound to give the driver reference information, so that the driver does not need to check the display screen while driving. It is preferable from the point of view of safe driving because reference information can be obtained.

In particular, according to the navigation device of the third aspect, an image pickup device for picking up the surrounding information of the moving body,
A sound collecting device that detects at least one of a voice message and a sound signal around the moving body, and a recording unit that captures information from the imaging device and the sound collecting device and records the information in association with the current position information from the GPS receiver. Since it is equipped with, it is possible to reproduce at least one of the voice message corresponding to the passing position of the vehicle and the audio signal around the moving body together with the road map information, and to accurately determine the passing route. The route guidance of is further improved.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment of a navigation device of the present invention.

FIG. 2 is a configuration diagram of a conventional navigation device.

[Explanation of symbols]

 1 CRT Display 2 GPS Receiver 3 Control Unit 4 CD-ROM Playback Device 5 CD-ROM 6 Imaging Device 7 Sound Collection Device 8 Recording Unit 9 Recording Control Device 10 Speaker V Scene Information A Voice Information

Claims (3)

[Claims] 1. A G for recognizing a current position of a moving body during traveling.
In a navigation device that has a PS receiver and displays the recognized current position on a map, an imaging device that captures ambient information of a moving body, and current position information from a GPS receiver that captures information from the imaging device A navigation device provided with a recording unit that records in association with the above, and a control unit that reads information from the recording unit in correspondence with current position information from a GPS receiver. 2. A G for recognizing a current position of a moving body during traveling.
A PS receiver, a sound collecting device that detects at least one of a voice message and a surrounding sound signal of a moving body, and information from the sound collecting device is captured and recorded in association with current position information from a GPS receiver. A navigation device provided with a recording unit and a control unit for reading information from the recording unit in response to current position information from a GPS receiver. 3. A G for recognizing the current position of a moving body during traveling.
In a navigation device having a PS receiver and displaying the recognized current position on a map, at least one of an image pickup device for photographing surrounding information of a moving body and a voice message and a sound signal around the moving body is detected. Sound collecting device,
GPS by capturing information from the image pickup device and the sound collection device
A navigation device provided with a recording unit for recording the current position information from the receiver in association with the current position information, and a control unit for reading information from the recording unit in correspondence with the current position information from the GPS receiver.