KR100704889B1 - Navigation system - Google Patents

Abstract

By navigating the route from the navigation system to the destination and displaying the external image simultaneously on one screen,

A navigation system comprising a control unit that simultaneously provides an external image and route guidance on two screens on a screen of a display unit, wherein the control unit corresponds to first to third function processing according to a display selection signal applied from a touch panel of the display unit. A first function process that displays only an external image applied from an input processing module, a DMB module, or an expansion device for activating a module, on the full screen of the display unit, and displays a corresponding display as a pop-up when a route guidance of a specific event occurs on a driving route. A second function processing module, a DMB module, or an external device applied by the second function processing module to display an external image applied by the module, the DMB module or the expansion device on one screen of the display unit, and display route guidance information matching the map to the other screen. Displays an image on the entire screen of the display unit External image and map by any one of the third function processing module, the first to the third function processing module selected from the first to third function processing module to display two images on the entire screen at the same time by covering the route guidance information transparently on the external image And an output processing module for displaying the matched path information on the display unit through the driver.

Navigation system, external video, simultaneous display, route guidance

Description

Navigation system {NAVIGATION SYSTEM}

1 is a schematic structural block diagram of a navigation system according to the present invention.

2 is a diagram illustrating an NIP application screen display in a navigation system according to the present invention.

3 is an exemplary diagram of NIP message selection in a navigation system according to the present invention.

4 is a diagram illustrating an HNIP application screen display in a navigation system according to the present invention.

FIG. 5 is an exemplary view illustrating a display showing switching from the HNIP screen of FIG. 4 to a full screen.

6 is a diagram illustrating an AIP application screen display in a navigation system according to the present invention.

<Description of Symbols for Main Parts of Drawings>

101: GPS module 103: DMB module

105: map memory unit 107: expansion device

109: mux 111: the first memory unit

113: control unit 115: second memory unit

117: drive unit 119: display unit

121: audio processor 130: IR receiver

The present invention relates to a navigation system, and more particularly, to a navigation system for displaying a route guidance to an established destination and an external image simultaneously on one screen.

Due to the explosive increase in traffic demand, the supply capacity of traffic treatment facilities such as roads is reaching its limit, resulting in increased pollution due to pollution and energy waste, increased traffic accidents that cause fatal damage to life and property, and increased costs for logistics delivery. There are some problems that have been derived.

Therefore, the current location is calculated by receiving the radio wave including the latitude and longitude information transmitted from a plurality of GPS satellites which provide storage information and location information stored as detailed map data of road networks, points and intersections for each region. There is provided a navigation system including a GPS module, control means for matching the calculated current location on a map, display means for displaying matched map information of the current location, and voice transmission means for transmitting various guide messages.

Such a navigation system can be reached in the shortest time from various routes from the starting point to the destination when the driver sets the destination, and extracts and guides the optimal driving route having a good road network structure and the estimated estimated arrival time of the destination. Provide service.

In addition, it provides a display by matching the current vehicle position, driving direction, and lane information that changes according to the map with the map data, and guides the information about the dangerous area, the surveillance camera, etc. according to the driving by voice.

In addition, it provides POI (Point Of Interest) information on recommended restaurants, tourist attractions, historic sites, etc. for the surrounding area, which provides convenience in the operation to the destination.

And, when the rotation, lane change, driving direction change factors occur at the intersection, the relevant information is indicated by displaying a graphic such as an arrow at an appropriate distance before the corresponding point, and the service is provided by voice and text. give.

In the case of the above-mentioned navigation system, according to the development of technology and various needs of the user, in addition to the function of simple route guidance, a TV (Television) function, a DVD (Digital Video Display) function, an MPEG player (PMP) function, and a DMB (Digital Multimedia Broadcasting) broadcasting are provided. In order to provide various functions such as reception, a single system is implemented.

However, the various functions described above are disadvantageous in that two functions cannot be executed at the same time as each function is executed independently as it is implemented in one set as an independent device provided with each application.

This is caused by a problem that the navigation system is provided with a plurality of functions, that is, a route guidance service, and does not satisfy a user's desire to simultaneously display an external image.

The present invention has been invented to solve the above problems, the object of which is to provide a route guidance service to a destination set at the time of departure from the navigation system in which a complex function is implemented in one system, and at the same time The desired external image is displayed on one screen at the same time.

In other words, while receiving services such as route guidance to the destination, surveillance camera guidance, danger zone guidance, and important point guidance, the desired external video such as TV viewing, MPEG player, DVD player, and DMB viewing are simultaneously displayed on one screen. It would be possible.

According to an aspect of the present invention, a navigation system includes: a GPS module for calculating a current axis coordinate of a vehicle from positioning information provided from a GPS satellite; a DMB module for receiving and restoring DMB broadcast data; Map memory unit for storing map data about road networks and surrounding facilities by region, expansion unit which is a multifunctional compound device implemented in a navigation system, a first memory unit storing application programs necessary for operating the navigation system, and route guidance service A second memory unit for storing general arithmetic programs, an audio processor for processing a digital audio signal as an analog audio signal, a display unit provided with a touch panel, a driver for driving a display of the display unit, and a video and audio signal. Integrate processing and interface with I / O signals In the navigation system via the drive unit on the display screen, a control unit for providing the second screen to the external image and the route guidance at the same time,
The control unit may include an input processing module for activating first to third function processing modules corresponding to the display selection signal applied from the touch panel of the display unit;
A first function processing module configured to display only an external image applied by the DMB module or the expansion device on the full screen of the display unit, and display the display as a pop-up when a route guidance of a specific event occurs on a driving route;
A second function processing module configured to display an external image applied by the DMB module or the expansion device on one screen of the display unit, and display route guidance information matching the map on the other screen;
A third function processing module for displaying an external image applied by the DMB module or the expansion device on the entire screen of the display unit, and simultaneously displaying two images on the entire screen by covering the route guidance information transparently on the external image;
And an output processing module for displaying the external image and the map-matched path information by any one of the first to third function processing modules selected from the first to third function processing modules on the display unit through the driver.

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Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic configuration diagram of a navigation system according to the present invention.

As shown, the GPS module 101, the DMB module 103, the map memory unit 105, the expansion unit 107, the mux 109, the first memory unit 111, the control unit 113, the second The memory 115, the driver 117, the display 119, the audio processor 121, and the IR receiver 130 are configured to be included.

The GPS module 101 receives the latitude and longitude data transmitted from the GPS satellites as positioning information through the antenna ANT1, calculates the current axis coordinates (X and Y axes) of the vehicle, and then controls the information about the control unit ( 113).

The DMB module 103 receives and restores DMB broadcast data transmitted from a DMB broadcast service provider or a relay station for each channel through the antenna ANT2 and outputs broadcast information on the tuned channel.

The DMB module 103 may receive a broadcast and select a channel by a signal of a touch panel provided in the display unit 119, and a function may be performed by an operation button provided separately.

The map memory unit 105 is a flash memory, which stores detailed map information data of road networks and surrounding facilities for each region required for route guidance in the operation of a navigation system, and corrects or updates the stored map data. It is made up of a removable memory stick in order to provide convenience for upgrading.

The expansion unit 107 is a multifunctional composite device implemented in a navigation system, and includes a DVD player, an MPEG player, and the like.

The expansion device 107 may perform a function by a signal of a touch panel provided in the display unit 119, and may be performed by an operation button provided separately.

The mux 109 selects any one of signals from the expansion device 107 or the DMB module 103, which are configured in a complex manner, and applies it to the control unit 113.

The first memory 111 stores a window environment or an application system such as Linux required for operating the navigation system, and comprises a flash memory.

The controller 113 controls the overall operation for setting the route to the destination, matching the map of the current vehicle location information and map data, displaying the map matched information, and providing the voice guidance service according to the operation of the navigation system.

That is, the video signal processing, audio signal processing, input / output signal processing and interface, and USB port functions are integrated.

In addition, the control unit 113 controls the operation of the display of the external image applied from the DMB module 103 or the expansion unit 107, and simultaneously provides the display of the external image and the map guidance path guidance service in various ways. Give it.

The control unit 113 includes an input processing module 113A, a first function processing module 113B, a second function processing module 113C, a third function processing module 113D, and an output processing module 113E.

The input processing module 113A includes information about the driver's setting signal applied as the touch panel signal of the display unit 119 and the axis coordinates (X and Y axes) applied by the GPS module 101 and the DMB module 103 or extension. The external image data applied from the apparatus 107 is input processed.

The first function processing module 113B displays an external image applied by the DMB module 103 or the expansion device 107 on the full screen of the display unit 119 when the driver sets the display of the external image to the full screen. If an unusual event selected by the driver on the driving path, that is, a danger zone guide, a surveillance camera guide, a lane change, a route departure, an intermediate waypoint guide, and a turn in the direction of travel occurs, the corresponding mark is displayed on any part of the display unit 119. To display the Pop Up screen.

The display of the pop-up screen is referred to as a navigation in picture (NIP) function.

When the driver sets the display of the external image and the route guidance to 50:50, the second function processing module 113C divides the screen of the display unit 119 into 1/2 and has route guidance information matching the map on one screen. It is displayed and processes the external image applied by the DMB module 103 or the expansion device 107 to be displayed on the other screen.

In addition, when the screen of the display unit 119 is divided into 1/2 and the touch of any one panel is detected while the map matching path guide and the external image are displayed, the touch-detected screen is displayed on the full screen.

The method of dividing the screen into half and displaying two pieces of information simultaneously is called a half navigation in picture (HNIP) function.

When the driver sets the AIP (Alpablending Navigation In Picture) function, the third function processing module 113D transparently covers the route guidance information on the external image while displaying the external image on the entire screen of the display unit 119. Process two images on the screen at the same time.

The output processing module 113E outputs the display signal processed by the first to third function processing modules 113B to 113D to the driver 117.

The second memory unit 115 includes a path calculation and search program to a destination set by a driver, which is a practical program for performing a function of a navigation system, a real-time driving program, a path search program, a path display program, a destination setting program, and an enlargement / reduction. A program, a scroll program, a route guide program, a menu display program, a GPS receiver program, a map matching program, and the like are stored and constituted of SDRAM.

The driver 117 drives the display of the display unit 119 according to the external image and the path guide data applied from the controller 113.

The driving unit 117 processes the digital video signal applied from the control unit 113 into a composite video signal and then converts the digital video signal into an analog signal to be displayed on the display unit 119.

The display unit 119 is configured with a 16: 9 wide LCD panel, and displays a route guide matched with a display of an external image according to a drive of the driver 117, and a touch panel is added to control a signal selected by a user. Provides an interface to the 113 and the target element to be connected.

The audio processor 121 converts various voice guide data applied as a digital signal from the controller 113 into an analog signal and transmits the same through the speaker Spk.

The driver 117 and the audio processor 121 further include video and audio output terminals that can be connected to an external device.

When the IR receiver 130 remotely selects and adjusts various functions set in the navigation system, the IR receiver 130 receives and analyzes an infrared wireless control code transmitted from a corresponding remote controller and applies a control signal thereof to the controller 113.

In addition to the above configuration, a power supply means for converting the DC 12V power supplied from the vehicle battery into the power required for each load element constituting the navigation system and supplying the power to the operating power is included.

An embodiment of the operation of the present invention including the above-described functions will be described in detail as follows.

The power supply means (not shown) converts the power of DC 12V supplied from the vehicle battery and supplies power to each load element of the navigation system as operating power to turn on the power by using a button of the touch panel provided in the display unit 119. If selected, the control unit 113 boots an application program set in the first memory unit 111 and displays an initial main screen on the display unit 119.

At this time, when the driver inputs destination information through input of the touch panel provided in the posi- tion unit 119 and requests a route setting, the controller 113 controls the axis coordinates (X-axis and Y) of the current position applied from the GPS module 101. Axis) and map data accessed from the map memory unit 105 are map-matched through an arithmetic program set in the second memory unit 115 to calculate an optimal route to the destination.

Thereafter, the controller 113 displays the route guide calculated by the driver 117 and the route guide according to the driving in a predetermined manner set in the display unit 119 to provide the route guide service.

In addition, the voice message for the main point of the route guidance is processed through the audio processor 121 to provide a voice guidance service through the speaker (Spk).

Apparatus for viewing or expanding DMB broadcasting through the DMB module 103 through the touch panel provided in the display unit 119 in the state of providing a route guidance service to the destination or initially setting the route to the destination as described above. When an external video display such as DVD, MPEG, etc. is selected through 107, the external video data including an audio signal that is activated and played by the selected DMB module 103 or the expansion unit 107 is controlled by the mux 109. 113).

The drive selection of the DMB module or the expansion unit 107 may be selected by a remote controller which is a remote controller, and an adjustment signal by the remote controller is detected through the IR receiver 130 and applied to the controller 113.

The control unit 113 controls to decode the external image data including the audio signal applied from the DMB module 103 or the expansion unit 107 and then display the digital video signal on the screen in the display mode selected by the user. The signal is applied to the driver 117 and the digital audio signal is applied to the audio processor 121.

In this case, the driving unit 117 converts the digital video signal into an analog composite video signal and then displays it on the screen of the display unit 119 according to the display mode control signal.

In addition, the audio processor 121 converts the digital audio signal into an analog audio signal and transmits the same through the speaker Spk.

The controller 113 checks the display mode of the external image selected by the user while the route guidance to the destination is set.

For example, if the display mode of the external image is a full-screen display mode, only the external image is displayed on the entire screen of the display unit 119 having a ratio of 16: 9 through the driver 117.

That is, the display of the route guidance matching the map is cleared and only the external image is displayed.

As such, even if only the external image is displayed on the display unit 119, the controller 113 continuously performs route calculation and map matching according to the information of the axis coordinates (X-axis and Y-axis) of the current vehicle applied from the GPS module 101. It is a state to keep.

Therefore, in the state in which the external image input from the DMB module 103 or the expansion unit 107 is displayed on the display unit 119 in full screen, the driver selects an unusual event as shown in FIG. That is, when a danger zone guide, a surveillance camera guide, a lane change, etc. are generated, the corresponding display is provided as a pop-up screen on any part of the display unit 119 as shown in FIGS.

At this time, the audio signal of the external image transmitted to the speaker (Spk) is erased or volume down, and in particular, the voice guidance message for the event is sent out so that the driver can recognize.

In addition, when the display mode of the external image is different, for example, when the screen of the display unit 119 having a ratio of 16: 9 is to be divided into 1 / 2s to simultaneously implement the route guidance and the display of the external image, the controller 113 As shown in FIG. 4, the screen of the display unit 119 is divided into 1/2 through the driving unit 117, and route-matched map information corresponding to the driving of the vehicle is displayed on one of the divided screens. On the other screen, the HNIP function for displaying an external image input from the DMB module 103 or the expansion unit 107 is executed.

At this time, the audio signal for the external image is output through the speaker (Spk), the audio signal for the external image is erased or volume down only when a singular event occurs in the path guidance, the voice guidance for the singular event The message is sent out so that the driver can recognize it.

As shown in FIG. 5, when the screen of the display unit 119 is split into 1/2 to display the route guidance and the external image at the same time, the route guidance is switched to the full screen. If you touch the screen of the external image, the external image is switched to the full screen.

In addition, when the display mode is to display an external image on the entire screen of the display unit 119, and to simultaneously implement the two images on the entire screen by covering the path guidance information transparently on the external image, as shown in FIG. Likewise, it is processed by the AIP function so that the route guidance and the external image are simultaneously displayed transparently on the entire screen.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible.

 As described above, the present invention has the effect of providing the user with convenience in utilizing the navigation system by allowing the display of an external image and a route guide to be simultaneously performed on one screen in a navigation system equipped with various functions. have.

Claims (19)

delete delete delete delete delete delete delete GPS module for calculating the current axis coordinates of the vehicle from the positioning information provided by the GPS satellite, a DMB module for receiving and restoring DMB broadcasting data, and a map memory unit for storing map data of road networks and surrounding facilities of each region, and navigation. An expansion device, which is a multifunctional composite device implemented in the system, a first memory unit for storing an application program necessary for operating a navigation system, a second memory unit for storing general operation programs for a route guidance service, and a digital audio signal. Audio processing unit for processing an analog audio signal, a display unit having a touch panel, a driving unit for driving a display of the display unit, processing of video and audio signals, processing of an input / output signal, and an interface. Display both external video and route guidance on the screen simultaneously In a navigation system comprising a control unit for providing, The control unit may include an input processing module for activating first to third function processing modules corresponding to the display selection signal applied from the touch panel of the display unit; A first function processing module configured to display only an external image applied by the DMB module or the expansion device on the full screen of the display unit, and display the display as a pop-up when a route guidance of a specific event occurs on a driving route; A second function processing module configured to display an external image applied by the DMB module or the expansion device on one screen of the display unit, and display route guidance information matching the map on the other screen; A third function processing module for displaying an external image applied by the DMB module or the expansion device on the entire screen of the display unit, and simultaneously displaying two images on the entire screen by covering the route guidance information transparently on the external image; And an output processing module configured to display an external image and map matched route information by any one of the first to third function processing modules selected from the first to third function processing modules on a display unit through a driving unit. delete delete delete delete delete delete delete delete delete delete delete

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