JPH09159468A - Display device for running position - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a display device by which the peripheral map display screen of the position of an own vehicle is redisplayed automatically when the own vehicle is running or when a user does not perform any operation for a definite time and by which a previous user-operated screen is redisplayed automatically when the own vehicle is stopped or when the user starts an operation. SOLUTION: In an device, the present position of an own vehicle is displayed on a display part 108 together with a map. The own vehicle is run while it is displaying a user-operated screen which is problematic, from the viewpoint of safety, to operate an operating part during a running operation. At this time, when a CPU 104 judges that the own vehicle starts a running operation or that a continuous nonoperating state is continued for a definite time, present user-operated screen information is retreated to a RAM 104b, and the display of the display part 108 is changed over automatically to the peripheral map display screen of the position of the own vehicle. In addition, when the CPU 104 judges that the running operation of the own vehicle is stopped or that a user starts an operation, the peripheral map display screen of the position of the own vehicle on the present display part 108 is changed over automatically to the user-operated screen which is retreated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling position display device used in a navigation device for displaying the current position of an automobile or the like on a display device together with a map.

[0002]

2. Description of the Related Art In a conventional vehicle-mounted traveling position display device, a vehicle position / direction and a traveling locus are obtained based on detection data from a direction sensor and a distance sensor, and based on absolute position information from a GPS receiver. The estimated vehicle position is calculated by correcting the current vehicle position.

Based on the present position of the vehicle thus obtained, the map data corresponding to the present position is stored in the CD-ROM.
By reading from the storage device such as, and converting the map data into image data by the image processor, a map of a predetermined range centered on the current position of the own vehicle is displayed on the display device,
At the same time, the current position of the vehicle is displayed on the map.

FIG. 4 is a flow chart showing the conventional driving compulsory processing, that is, the processing operation for limiting the user operation screen, which has a safety problem in operating the car navigation device during traveling, for safety. Will be described with reference to.

First, the running compulsory process is started at the timing when the user's operation is performed (step 401). Next, whether or not the vehicle is traveling is determined by the traveling state determination processing (step 402). If the vehicle is traveling, it is determined whether the current screen state is the user operation screen or the map screen (step 40).
3). In the case of the user operation screen, it is determined whether or not this is the operation for which the travel is forcibly performed (step 404), and when it is the operation for the travel forcibly, the operation by the user is canceled (step 40).
5) Then, a message to that effect is displayed to the user for a certain period of time (step 406).

[0006]

However, the above-mentioned conventional traveling position display device has a traveling compulsory function that the user cannot perform a specific screen operation when the vehicle starts traveling, and the user starts traveling. Since it is a method to notify the user of the transition to the inoperable state by a message etc., in order for the user to move to the surrounding map display screen of the own vehicle position for realizing the navigation function, the operation to transition the screen itself while driving There was a problem that was needed.

The present invention solves the above-mentioned conventional problems. When the vehicle is running or the user does not operate for a certain period of time, the peripheral map display screen of the vehicle position is automatically re-displayed to display the vehicle. It is an object of the present invention to provide a traveling position display device capable of automatically re-displaying the previous user operation screen by stopping the operation or starting the user operation.

[0008]

In order to solve the above-mentioned problems, the present invention is a traveling position display device for displaying the present position of a vehicle together with a map on a display device, which is detected by a vehicle position detecting means. A user who reads the map data corresponding to the vicinity of the own vehicle position from the storage means and displays it, and also displays the own vehicle position detected by the own vehicle position detection means on the display map, and further displays a map of the surrounding area of the own vehicle position A display means for displaying operation screen information by operation, a travel stop determination means for determining whether the vehicle is running or stopped, and a user operation screen displayed on the display means when the travel stop determination means determines the running state are displayed. When switching to the peripheral map display screen of the own vehicle position and the traveling stop determination means determines the stop state, the peripheral map display screen of the own vehicle position displayed on the display means is returned to the original user operation screen. Those comprising a control means for.

As a result, when the vehicle travels while displaying the map around the vehicle position and other user operation screens on the display means, the screen of the display means is automatically switched to the map display around the vehicle position at the start of traveling, and , It is possible to automatically return the display to the user operation screen before switching when traveling is stopped.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is a vehicle position detecting means for detecting a vehicle position, a memory means for storing road map data, and a vehicle position detecting means for detecting the vehicle position. The map data corresponding to the periphery of the own vehicle position is read from the storage means and displayed, and the own vehicle position detected by the own vehicle position detecting means is displayed on the display map,
Further, a display means for displaying operation screen information by a user operation other than the display of the surrounding map of the own vehicle position, and running / running of the own vehicle.
And a control means for switching the user operation screen displayed on the display means to a peripheral map display screen of the own vehicle position when the traveling stop determination means determines the traveling state. When the traveling stop determination means determines the traveling start while traveling while displaying the map around the vehicle position and other user operation screens on the display means, the control means changes the screen of the display means from the user operation screen. It automatically switches to the surrounding map display screen of the vehicle position.

According to a second aspect of the present invention, when the traveling stop determination means determines traveling stop, the control means displays an original map from the peripheral map display screen of the own vehicle position displayed on the display means. The display is restored to the user operation screen, and when the traveling stop determination means determines traveling stop, the user operation screen before switching can be automatically returned to the display.

The invention according to claim 3 of the present invention is a vehicle position detecting means for detecting a vehicle position, a storage means for storing road map data, and a vehicle position detected by the vehicle position detecting means. The map data corresponding to the periphery of the vehicle is read out from the storage means and displayed, and the vehicle position detected by the vehicle position detecting means is displayed on the display map, and the user other than the peripheral map display of the vehicle position is displayed. Display means for displaying operation screen information by operation, operation state detection means for detecting the presence or absence of the user operation, and measurement / non-operation time of the user after the operation state detection means detects the user operation The non-operation time determination means determines that the user non-operation state has continuously exceeded a predetermined time after the operation time determination means and the operation state detection means detect the presence of the user operation. And a control means for switching the user operation screen displayed on the display means to a peripheral map display screen of the own vehicle position, and there is no user after the operation state detection means detects the user operation. When the non-operation time determination means determines that the operation state has elapsed for a predetermined time or longer, the user operation screen displayed on the display means is automatically switched to the surrounding map display screen of the own vehicle position.

According to a fourth aspect of the present invention, the non-operation time determination means determines that the user non-operation state is within a predetermined time after the operation state detection means detects the user operation. At the time, the control means restores and displays the original user operation screen from the peripheral map display screen of the vehicle position displayed on the display means, and the no-operation-time determination means sets the user non-operation state for a predetermined time. If it is determined that it is within the range, the peripheral map display screen of the vehicle position is automatically switched to the original user operation screen.

Hereinafter, an embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. (Embodiment 1) FIG. 1 shows a configuration of a traveling position display device according to an embodiment of the present invention.

In FIG. 1, reference numeral 101 denotes an azimuth sensor, and the azimuth sensor 101 uses an optical gyro, a vibration gyro or the like for detecting the relative traveling azimuth of an automobile.
Reference numeral 102 denotes a distance sensor that generates a pulse according to the rotation speed of the wheel, and 106 denotes a GPS (Global Position).
This GPS receiver 106 is for obtaining the position (latitude, longitude) of the receiving point by receiving and calculating radio waves transmitted from a plurality of satellites. Reference numeral 107 denotes a CD-ROM in which map data and the like are recorded, and the map data and the like in the CD-ROM 107 are read by a CD-ROM drive (not shown). Reference numeral 109 denotes a display unit installed in the vehicle compartment, which displays a map and the current traveling position and direction of the vehicle.

The azimuth sensor 101 and the distance sensor 102 are connected to the CPU 104 via the input interface 103, and the output signals of the azimuth sensor 101 and the distance sensor 102 are fetched into the CPU 10 to obtain the position, azimuth and traveling locus of the vehicle. . The GPS receiver 106 is connected to the CPU 10 via the communication interface 105, and the GPS information received by the GPS receiver 106 is C
The current position of the vehicle is corrected by importing it into the PU 10.

The CD-ROM 107 is connected to the CPU 10 via the communication interface 105, and stores the map data corresponding to the periphery of the calculated current position of the vehicle in the CD-ROM.
The map data is read from 107 and stored in the RAM 104b, and the map data is output to the image processor 108. The image processor 108 converts the map data into image data and color signals and sends them to the display unit 109 to be displayed as a map. The current position of the vehicle is also displayed on the display map.

The CPU 104 controls the entire traveling position display device, a traveling stop determination function for determining whether the vehicle is traveling or stopped, and the display unit 10 according to the traveling / stop determination result.
A control function for switching the screen displayed in 9 to a user operation screen or a surrounding map display screen of the vehicle position, an operation state detection function for detecting the presence or absence of a user operation, and after detecting the presence of a user operation by this operation state detection function, The non-operation time determination function and the non-operation time determination function determine whether or not the user non-operation state has passed for a predetermined time after the operation state detection function detects the user operation. A control function is provided for switching the screen displayed on the display unit 109 to a user operation screen or a peripheral map display screen of the own vehicle position according to the determination result.
The processing program to be executed by 104 is stored in the program ROM 104a. Also, the RAM 104
The calculation result of the CPU 104, user operation screen information, and the like can be stored in b.

An operating unit 110 operated by a user is connected to the CPU 104, and the operating unit 110 is connected to the operating unit 110.
Is used for enlarging or reducing the map display, route guidance, place name search, switching between the television or video screen and the current location display screen, and is used for user operation of the display screen of the display unit 108.

Next, the operation of this embodiment configured as described above will be described with reference to FIGS. 2 and 3.

FIG. 2 shows an operation procedure of a travel compulsory process when the vehicle travels while displaying a map around the vehicle position and other user operation screens on the display means.

When the processing program shown in FIG. 2 is started, the CPU 104 first runs from the timing when a user operation is performed by the operation unit 110 or when the running state of the vehicle changes from stop to run or from run to stop. It is determined whether or not (step 201). Here, if it is determined that the vehicle is traveling, the process proceeds to step 202, and if it is not traveling, the process proceeds to step 206. Step 20
In 2, it is determined whether the current screen state of the display unit 108 is the user operation screen (all screens that can be operated by the user other than the surrounding map display screen of the own vehicle position) or the own vehicle position surrounding map display screen. Here, if it is not the user operation screen, the travel compulsion process ends, and if it is the user operation screen, the process proceeds to step 203 to determine whether the operation of the travel compulsion target on the user operation screen has been performed. Here, if it is determined that the operation is not the operation forcibly traveling, the traveling compulsion process ends,
If the operation is a forced operation target, the process proceeds to step 204, the user's operation information and screen information are saved, and the data is taken into the RAM 104b. Next Step 20
In 5, the map around the vehicle position is displayed on the display unit 108 instead of the user operation image.

If it is determined in step 201 that the vehicle is stopped, the process proceeds to step 206 and the display unit 10
It is determined whether the screen state 8 is a user operation screen. here,
When it is determined to be the user operation screen, the traveling compulsory process ends, and when it is not the user operation screen, that is, when it is the vehicle position peripheral map display screen, the process proceeds to step 207 and the user operation screen is being saved. Determine if there is data. Here, if the data being saved is not present, the traveling compulsory process is terminated, and if the data being saved is present, the process proceeds to step 208, and the user's mid-operation information and the operation screen are returned and displayed on the display unit 108.

As described above, according to the present embodiment, when the vehicle travels while displaying the map of the position of the own vehicle and other user operation screens on the display means, the screen of the display unit displays the map of the position of the own vehicle at the start of running. It is possible to automatically switch to the display screen, and to automatically return to the user operation screen before switching when the vehicle stops running, which reduces the operational burden on the user.

Next, the forced running process of another embodiment of the present invention will be described with reference to FIG.

When the processing program shown in FIG. 3 is started, the CPU 104 firstly causes the operation section 11 to operate at regular intervals.
It is determined by 0 whether or not the vehicle is traveling from the timing when the user operation is performed (step 301). If it is determined that the vehicle is not traveling, the process proceeds to step 302, and if the vehicle is traveling, the traveling compulsory process ends. Step 302
Then, it is determined whether the current screen state of the display unit 108 is the user operation screen or the own vehicle position peripheral map display screen. If it is not the user operation screen, the process proceeds to step 307, and if it is the user operation screen, the process proceeds to step 303. Then, it is determined whether or not the user operation has been continuously performed for a predetermined time since the last call. Here, if the user operation is continuously performed for a predetermined time, the traveling compulsory process ends, and if the user operation is not continuously performed for the predetermined time, the process proceeds to step 304,
It is determined whether or not the user has not operated for a predetermined time. Here, if a negative determination is made, the traveling compulsory processing ends, and if a positive determination is made, the process proceeds to step 305,
User operation information and screen information are saved, and the data is loaded into the RAM 104b. In the next step 306, the map around the vehicle position is displayed on the display unit 108 instead of the user operation image.

If it is determined in step 302 that the user operation screen is not displayed, the process proceeds to step 307 to determine whether the user operation is performed. here,
When it is determined that the user operation is not performed, the traveling compulsory process ends, and when the user operation is performed, the process proceeds to step 308, and it is determined whether there is data being saved in the user operation screen. To do. Here, if there is no data being saved in the user operation screen, the driving compulsory processing ends, and if it is the map display screen for the surroundings of the own vehicle and there is data being saved, the process proceeds to step 309 and the user The in-operation information and the operation screen are restored and displayed on the display unit 108.

As described above, according to the present embodiment, when traveling while displaying the map of the position around the vehicle and other user operation screens on the display means, if the user's non-operation state continues for a predetermined time, the display unit is displayed. Screen can be automatically switched to the vehicle position peripheral map display screen, and it can be automatically returned to the user operation screen before switching when the user operation starts, reducing the operational burden on the user. .

[0029]

As described above, according to the present invention, when the vehicle travels while displaying the map around the vehicle position and other user operation screens on the display means, the screen of the display unit can be displayed without starting the running or continuously. By automatically switching to the map display screen around the vehicle's position and automatically returning to the original screen before switching when the vehicle is stopped or started by the user operation, the It is possible to automatically switch to the requested vehicle position peripheral map display screen, and to automatically return when the vehicle is stopped or operated, eliminating the need for manual screen switching.

As a result, the user switches the screen to the vehicle position peripheral map display screen each time the operation ends or the traveling starts, and returns to the display before the vehicle position peripheral map display every time the operation starts or the traveling stops. Is no longer needed
The operational burden on the navigation device can be reduced.

Further, even when a safety function of forcibly disabling the user's operation by the driving compulsory function is incorporated, the user does not operate even after the start of traveling or automatically switches to the map display around the vehicle position. The previous operation before traveling can be continuously performed when the vehicle is stopped or the operation is restarted, and the operational burden on the user can be reduced.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of a traveling position display device according to an embodiment of the present invention.

FIG. 2 is a flow diagram showing an operation procedure of a forced traveling process according to the embodiment of the present invention.

FIG. 3 is a flowchart showing an operation procedure of a forced travel process in another embodiment of the present invention.

FIG. 4 is a flow chart showing an operation procedure of a forced traveling process in a conventional example.

[Explanation of symbols]

 101 Direction Sensor 102 Distance Sensor 103 Input Interface 104 CPU 104a Program ROM 104b RAM 105 Communication Interface 106 GPS Receiver 107 CD-ROM 108 Image Processor 109 Display Unit 110 Operation Unit

Claims (4)

[Claims] 1. A vehicle position detecting means for detecting a vehicle position, a storage means for storing road map data, and map data corresponding to the vicinity of the vehicle position detected by the vehicle position detecting means. A display for reading out and displaying from the storage means and displaying the own vehicle position detected by the own vehicle position detecting means on a display map, and further displaying operation screen information by a user operation other than the surrounding map display of the own vehicle position Means and
Driving stop determination means for determining whether the vehicle is running or stopped, and control for switching a user operation screen displayed on the display means to a peripheral map display screen for the vehicle position when the running stop determination means determines the running state And a traveling position display device. 2. When the traveling stop determination means determines that the vehicle is stopped, the control means causes the peripheral map display screen of the vehicle position displayed on the display means to return to the original user operation screen. The traveling position display device according to claim 1. 3. A vehicle position detection means for detecting a vehicle position, a storage means for storing road map data, and map data corresponding to the vicinity of the vehicle position detected by the vehicle position detection means. A display for reading out and displaying from the storage means and displaying the own vehicle position detected by the own vehicle position detecting means on a display map, and further displaying operation screen information by a user operation other than the surrounding map display of the own vehicle position Means and
An operation state detecting means for detecting the presence or absence of the user operation,
A no-operation time determination means for measuring and determining a user non-operation time after the operation state detection means detects the user operation, and a user no-operation state after the operation state detection means detects the user operation. And a control means for switching the user operation screen displayed on the display means to a peripheral map display screen of the own vehicle position when the non-operation time determination means determines that a predetermined time or more has continuously passed. Driving position display device. 4. The control means displays the display when the no-operation-time determining means determines that the user's non-operation state is within a predetermined time after the operation-state detecting means detects the user operation. 4. The traveling position display device according to claim 3, wherein the display is restored from the peripheral map display screen of the own vehicle position displayed on the means to the original user operation screen.