KR100521056B1 - Method for displaying information in car navigation system - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation apparatus for automobiles, and more particularly, to a method of displaying a screen in detail at a level desired by a user by dividing a screen processing level into several levels on a navigation system screen. In the conventional navigation device, the names and symbols of adjacent facilities are displayed on the system screen, centering on the road and the vehicle, so that the place located beyond a certain distance from the vehicle is not able to grasp not only the facilities but also the surrounding conditions of the place where the person wants to go. It took a long time to get there. In addition, displaying the symbol and name together on the small screen, driving around the surrounding conditions on the screen prevented the user from focusing on the actual driving road, causing problems in safe driving. The present invention enables a user to select and display an information display method so that the information to be searched can be displayed simply and clearly, thereby reducing the time delay in finding a road as well as driving safety.

Description

Method for displaying information in car navigation system

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation apparatus for automobiles, and more particularly, to a method of displaying a screen in detail at a level desired by a user by dividing a screen processing level into several levels on a navigation system screen.

Thanks to the development of the electronics industry, mobile vehicles, such as ships, aircraft and automobiles, are equipped with navigation devices to obtain information that can be reached more quickly from the current location to the desired destination. Navigation devices mounted on the above-mentioned moving objects are being developed and developed to determine a current position and moving speed of the moving object or to determine a moving path.

However, in the conventional navigation device, the names and symbols of adjacent facilities are displayed on the system screen, centering on the road and the vehicle, so that the place located beyond a certain distance from the vehicle is not able to grasp not only the facilities but also the surrounding situation of the place to go. It took a long time to visit. In addition, displaying symbols and names together on a small screen, driving around the surroundings on the screen, prevented the driver from concentrating on the actual driving road, causing problems in safe driving.

Accordingly, an object of the present invention is to allow a user to select an information display level so that the information to be searched can be displayed simply and clearly. In other words, the basic road information is displayed as a picture file, and the information on the facilities is displayed on the screen at predetermined stages, so that the user can clearly see the surrounding situation that was not quickly understood due to the name and the symbol, thereby preventing the safe operation. It is to save time when finding a place.

In order to achieve the above object with reference to the accompanying drawings with respect to the information display method of the car navigation system according to a preferred embodiment of the present invention will be described in detail as follows.

1 is an internal configuration diagram of a vehicle navigation system of the present invention.

The vehicle navigation apparatus according to the present invention includes an input / output device 100 that inputs and outputs information on route guidance, a current position detection device 130 that detects information on a current position of a host vehicle, and route calculation as shown in FIG. 1. Processes the information storage device 110 that records navigation data required for navigation or display / voice guidance data necessary for route guidance and programs (applications and / or OS), and display / voice guidance necessary for route search processing or route guidance. In addition, it is composed of a central processing unit 120 for controlling the entire system.

The input / output device 100 instructs the central processing unit 120 to perform navigation processing according to the driver's will so as to input the destination or output the guidance information as a voice and a screen when the driver needs it. It has a function to print out and the like. As a means for realizing such a function, the input unit has a touch switch or an operation switch for inputting a destination by a telephone number or a coordinate on a map, or requesting a route guidance (103). Of course, an input device such as a remote controller may be used. In addition, the output unit displays the input data on the screen or displays the display device 102 for automatically displaying the route guidance on the screen in response to a driver's request, and outputs data processed by the central processing unit or data stored in the information storage device. And a speaker 101 or the like for outputting the printer 104 and the route guidance by voice.

Here, a voice recognition device for enabling voice input and a recording card reading device for reading data recorded on the IC card or the magnetic card may be added. It also collects data necessary for navigation and provides information sources such as information centers that provide information through communication lines in response to the driver's request, and information sources such as notebook-type electronic devices in which driver-specific data such as map data and destination data are stored in advance. A data communication device for transmitting and receiving may be added.

The display device 102 is composed of a color CRT or a color liquid crystal display, and all necessary for navigation such as a route setting screen, a section map screen, and a intersection map screen based on map data or guidance data processed by the central processing unit 120. The screen is displayed in color and output, and at the same time, a button for setting the route guidance, guiding the route guidance, and switching the screen is displayed. In particular, intersecting intersection information such as an intersection name to pass through is often displayed in color by pop-up on the section map screen.

The display apparatus 102 is installed in the instrument panel near the driver's seat, and the driver can check the current position of the own vehicle by looking at the section map, and can obtain information about the route in the future. You can also get information about your future path. The display device 102 is set with a touch switch 103 corresponding to the display of the function button, and is configured to execute the above operation based on a signal input by touching the button. The input signal generating means composed of this button and the touch switch 103 constitutes an input unit.

The current position detection device 130 is a GPS receiver 134 to obtain information using the vehicle's current position satellite navigation system (GPS) and to obtain information using FM multicasting, electronic beacons, optical beacons, etc. The VICS information receiving apparatus 135 and the data transmitting / receiving apparatus 136 for bidirectionally communicating information with an information center (e.g. ATIS) or another vehicle using a mobile phone, a personal computer, and the like, Absolute orientation sensor 131 detects the absolute direction using geomagnetic, distance sensor 133 that detects the traveling distance of the vehicle based on the number of revolutions of the wheel, and detects the other side using the string sensor, gyro sensor, etc. The relative orientation sensor 132 is composed of. The current location detecting apparatus 130 is a device that transmits and receives road information, traffic information, and the like, which is information about driving of a vehicle, detects information about a current location of a vehicle, or transmits and receives information about a current location.

The information storage device 110 is an external or internal storage device for storing navigation programs and data. The program 106 includes a program for processing route search, a processing program represented by a flowchart or a display output control required for route guidance, a program for voice output control necessary for voice guidance, and data necessary for this, route guidance and map display. Necessary display information data is stored. The data 107 is made up of files such as map data, navigation data, guide data, map matching data, destination data, registration point data, road data, genre data, and landmark data, and all data necessary for the navigation device are stored. have.

The central processing unit 120 checks and updates a program of the CPU 121 that executes various arithmetic processing, the flash memory 122 that reads a program from a CD-ROM, which is an information storage device, and stores the program. ROM 123, which stores a program (program reading means), RAM 124 that temporarily stores route guidance information searched for the set destination point coordinates, road name code number, etc., or data being processed. Image data is read from the image memory 129 on the basis of the display output control signal from the CPU and the image memory 129 in which the image data used for screen display on the screen is stored. Based on the output image processor 128 and the audio output control signal from the CPU, audio, phrases, etc. read from the information storage device are synthesized, converted into analog signals, and output to the speaker. A voice processor 119, a communication interface 127 for transmitting and receiving compressed data, a sensor input interface 126 for reading sensor signals of a current position detecting device, and a clock 125 for writing a date or time in internal diagram information. Etc. are provided. The route guidance is screen display and voice output, and the presence or absence of voice output is configured to be selected by the driver.

2 is a flowchart illustrating a method of displaying category information in a vehicle navigation apparatus according to the present invention.

First, the user sets the display mode (step 201). The display mode includes a category-specific display mode for controlling the display of each facility category and a step-by-step display mode for selecting and displaying one step from the detailed display step to the brief display step. When the user selects the display mode, the navigation device stores it in a memory.

When the display mode is set as described above, when the user enters the map display request mode in order to search for a map of the destination to go to and requests a map display (step 203), the navigation device is configured in step 201 as shown in FIG. According to the display mode, a screen for selecting a category is provided, or a screen for selecting a step is provided. Alternatively, a screen for selecting a display mode for each category and a display mode for each step may be provided first, and if the user selects a specific display mode, a screen for selecting a specific category or a specific step may be provided accordingly. At this time, the default display mode becomes the display mode set in step 201.

When the user enters the category-specific display mode, a category selection list is provided, and the user selects a category to be displayed therefrom (step 211). The categories previously selected by the user are preferably displayed in a preselected state. On the other hand, it is preferable to designate a large building or the like as the category field so that the category can be quickly identified. For example, categories such as banks, schools, or gas stations are stored as fields.

If you select a category you want to display in the category list and press the add button, the category moves to the list window of the category to be displayed on the screen. Similarly, if a user selects a category not to be displayed among the displayed categories and presses the delete button, the corresponding category moves to a list window of categories not to be displayed on the screen. Alternatively, a check mark may be displayed on a category to be displayed on the screen, and a check mark may not be displayed on a category not to be displayed on the screen.

After selecting a category, it is desirable to be able to select a display option of the category. The display options include the symbol display only and the symbol and the name. 5A and 5B show examples of navigation screens according to display options. FIG. 5A is a screen example when only a symbol is displayed, and FIG. 5B is a screen example when both a symbol and a name are displayed.

When the user selects a category in this way, the navigation device displays only the facilities of the selected category on the screen (step 213). For example, if the user first selects the category of 'gas station', the navigation device displays all the gas station buildings in the vicinity of the current location to the user.

After displaying the facilities of the selected category, if the user wants to add another category to display (YES in step 215), the user can select the category add function to further display the desired category (step 217). For example, after selecting the category "Gas station", if the user determines that this information is not enough to find a way, he or she may additionally select another category, such as a bank or a department store, that the user would like. Can be. In other words, when a user adds a category called bank, a preset gas station category and a bank category are added to display all banks and gas station buildings in the vicinity of the current location. 4 shows an example of the screen when a user selects a gas station category, then adds a bank category, and then adds a department store category. The category thus selected is preferably stored in the memory and used as the default value when the user next selects the category display mode.

Meanwhile, if the user selects the step-by-step display mode in step 201 or step 203, the user is provided with a screen for selecting a step as shown in FIG. The user selects the steps he wants to display on this screen (step 221).

The types of facilities for each stage are predefined internally in the system. For example, internally in the system, step 1 is 'gas station + large building (subway station)', step 2 is 'gas station + large building (subway station) + public institution', and step 3 is 'gas station + large building (subway station)' + Public institution + financial institution ', step 4 is defined as' display all information'. On the other hand, it is also possible to allow the user to specify what kind of facilities to display at each step.

When the user selects a step, the navigation device displays the facilities corresponding to the selected step on the screen. For example, if the user selects step 1, only gas stations and large buildings (subway stations) are displayed on the screen among facilities existing near the current location, and if the user selects step 2, the gas station , Mark large buildings (subway stations) and public institutions together, and if the user selects step 3, display gas stations, large buildings (subway stations), public institutions, financial institutions, and the user If you select 'Display', all the facilities are displayed on the screen. It is desirable to store the selected step in the memory and use it as a default value when the user next selects the display mode step by step.

Here, as in the case of selecting a category, the display option can be selected even when the display mode is selected step by step, so that it is possible to determine whether to display both the symbol and the name or only the symbol when displaying the facility.

In the above detailed description of the present invention, specific embodiments have been described, but the present invention is not limited to the above embodiments, and various modifications may be made by those skilled in the art within the spirit of the present invention. Of course.

As described above, the present invention allows the user to select the information display level so that the information to be searched can be displayed simply and clearly. In other words, basic road information is displayed as a picture file (symbol), and information on facilities is displayed on the screen in predetermined steps so that the user can clearly see the surrounding situation that was not quickly understood due to the name and symbol. Not only do they allow safe driving, but they also save time when finding their way.

1 is an internal configuration diagram of a car navigation system.

2 is a flowchart illustrating a method of displaying category information in a vehicle navigation apparatus according to the present invention.

3 is a diagram illustrating an example of a screen that appears according to selection of a display mode.

4 is a diagram illustrating a navigation screen in a category selection display mode.

5A and 5B show a navigation screen according to a display option. FIG. 5A is a screen example when only a symbol is displayed, and FIG. 5B is a screen example when both a symbol and a name are displayed.

Claims (12)

Upon receiving a map display request from a user, two or more display modes including a category display mode for displaying facilities corresponding to one or more categories selected by the user and a step-by-step display mode for displaying facilities corresponding to the stage selected by the user. Providing a screen for selecting one of the first steps; Providing a screen for selecting one or more categories or one step according to the selected display mode when the user selects the display mode; A third step of displaying location information of facilities corresponding to the selected category or facilities of the type corresponding to the selected step on a map; Information display method of a vehicle navigation system comprising a. The method of claim 1, The display mode selected by the user in the first step is used as a default value when the user makes a map display request next time. The method of claim 1, When the user selects the category display mode in the first step, the user is provided with a means for adding a category in the third step. When the user selects the category addition function, providing the user with a screen including a list of categories that can be added; When the user selects a category to add, providing the user with a map in which location information of facilities corresponding to the selected category is additionally displayed. Information display method of a vehicle navigation system comprising a further. The method of claim 1, When the user selects the category display mode, the user-selected categories are stored in the memory, and the next time the user requests a map display and selects the category display mode, the stored categories are used as default values. Information display method of vehicle navigation system. The method of claim 1, An information display method of a vehicular navigation system, characterized in that the user can specify the type of facilities to be included in each step. The method of claim 1, When the user selects the step display mode, the user selects the stored step in the memory, and next time the user requests a map display and selects the step display mode, the stored step is used as a default value. Information display method of vehicle navigation system. Receiving a map display request from a user, providing a screen for selecting one or more categories; A second step of displaying location information of facilities corresponding to the selected categories on a map; Information display method of a vehicle navigation system comprising a. The method of claim 7, wherein In the second step, the user is given the means to add a category. When the user selects the category addition function, providing the user with a screen including a list of categories that can be added; When the user selects a category to add, providing the user with a map in which location information of facilities corresponding to the selected category is additionally displayed. Information display method of a vehicle navigation system comprising a further. The method of claim 7, wherein And storing the categories selected by the user in a memory, and using the stored categories as a default value when the user requests a map display the next time. A first step of providing a screen for selecting one step when receiving a map display request from a user; A second step of displaying location information of facilities of a kind corresponding to the selected step on a map; Information display method of a vehicle navigation system comprising a. The method of claim 10, An information display method of a vehicular navigation system, characterized in that the user can specify the type of facilities to be included in each step. The method of claim 10, And storing the selected step in a memory, and using the stored step as a default value when the user requests a map display the next time.