KR20100082230A - Navigation terminal and method for guiding movement thereof - Google Patents

Abstract

PURPOSE: A navigation terminal and a service guiding method thereof are provided to improve the safety of a user by preventing a moving body with a navigation terminal from colliding with the other moving body. CONSTITUTION: A wireless communication unit(110) receives moving information of a moving terminal positioned within a preset distance from a navigation terminal. A controller(190) calculates the collision probability between the moving body with the navigation terminal and the moving body with the moving terminal by using the received information and determines whether the calculated collision probability exceeds the preset value. An output unit(160) guides the collision probability to a user when the collision probability exceeds the preset value and includes a sound output module to guide the collision probability by aurally guiding the information related to the collision probability.

Description

NAVIGATION TERMINAL AND METHOD FOR GUIDING MOVEMENT THEREOF}

The present invention relates to a navigation terminal for guiding the movement of a moving object and a navigation guidance method of the navigation terminal.

In general, a navigation terminal is a device that provides a user's location and route guidance from a destination to a destination, and includes a vehicle, a ship, an air vehicle, and a portable navigation device.

Among the various navigational vehicles, the vehicle navigation terminal is installed in a vehicle or installed to be mounted / removable, so that the user needs information for driving the moving object, that is, the location of the moving object, road information (departure point, destination location, and route from the starting point to the destination). Information) and various additional information related to the location of the moving object (including information related to dangerous areas, accident areas, control sections and surrounding facilities), so that users can arrive at their destination more quickly and safely. Make sure

As a result of the steady development of technology, the vehicle navigation provides various multimedia and additional functions such as DMB (Digital Multimedia Broadcasting), MP3, karaoke, video playback, games, etc. It has come to provide so-called telematics service that combines mobile communication technology and Global Positioning System Technology (GPS).

In addition to the vehicle navigation terminal, there may be a portable navigation terminal which is manufactured to be portable by the user and provides information necessary for walking of the user.

In order to improve the safety of the user of the navigation terminal, a short-range wireless communication technology and a vehicle-to-vehicle communication technology using GPS technology have been developed.

The present invention is to improve the safety of the user by mitigating the possibility that the user of the navigation terminal contacts or collides with other moving objects.

The navigation terminal according to an embodiment of the present invention for realizing the above object, the wireless communication unit for receiving the mobile information from the mobile terminal located within a predetermined distance from the navigation terminal, and using the received information A control unit that calculates a collision probability between the mobile unit equipped with the navigation terminal and the mobile unit equipped with the mobile terminal, determines whether the calculated collision probability exceeds a preset value, and when the collision probability exceeds the preset value, It includes an output for guiding the collision possibility.

In one aspect of the present invention, the movement information may include at least one of a position, a movement speed, an expected movement path, and a movement direction of the mobile terminal.

In another aspect of the present invention, the movement information may include a movement speed of the mobile terminal, and the controller may reset the set distance variably according to the movement speed of the received mobile terminal.

In another aspect of the invention, the wireless communication unit may include a short-range communication module for receiving the mobile information of the mobile terminal from a mobile terminal located within a predetermined distance from the navigation terminal.

In another aspect of the present invention, the output unit may include a sound output module for guiding the collision possibility by audibly outputting information related to the collision possibility.

In another aspect of the present invention, the output unit may include a display unit for visually displaying the information related to the collision possibility to guide the collision possibility.

In another aspect of the present invention, the control unit may control the moving body to reduce the collision possibility.

In another aspect of the present invention, the movable body is a vehicle, and the control unit may control the vehicle to stop the vehicle.

In another aspect of the present invention, the movable body is a vehicle, and the control unit may control the vehicle to operate the horn of the vehicle.

In another aspect of the present invention, the movable body is a vehicle, and the control unit may control the vehicle to turn on the lamp of the vehicle.

In another aspect of the invention, if the current time corresponds to the time between sunset and sunrise, the control unit may control the vehicle to turn on the lamp of the vehicle.

In accordance with an aspect of the present invention, there is provided a driving guidance method of a navigation terminal, the method comprising: receiving movement information of a mobile terminal from a mobile terminal located within a predetermined distance from the navigation terminal, and receiving the received information. Calculating a probability of collision between the mobile vehicle equipped with the navigation terminal and the mobile vehicle equipped with the mobile terminal, and informing the user of the collision possibility when the probability of collision exceeds a preset value.

In one aspect of the present invention, the movement information may include at least one of a position, a movement speed, an expected movement path, and a movement direction of the mobile terminal.

In another aspect of the present invention, the movement information may include a movement speed of the mobile terminal, and the preset distance may be variably set according to the movement speed of the received mobile terminal.

In another aspect of the present invention, the receiving may include receiving movement information of the mobile terminal from a mobile terminal located within a predetermined distance from the navigation terminal using short-range communication.

In another aspect of the present invention, the guiding step may guide the collision possibility by audibly outputting the information related to the collision possibility.

In another aspect of the present invention, the guiding step may visually display information related to the collision possibility to guide the collision possibility.

In another aspect of the present invention, the method may further include controlling the moving body to reduce the possibility of collision.

In another aspect of the present invention, the movable body is a vehicle, and the controlling may include controlling the vehicle to stop the vehicle.

In another aspect of the present invention, the moving body is a vehicle, and the controlling step may be a step of controlling the vehicle to operate the horn of the vehicle.

In another aspect of the present invention, the movable body is a vehicle, and the controlling may include controlling the vehicle to light a lamp of the vehicle.

In another aspect of the present invention, the controlling may include controlling the vehicle to light a lamp of the vehicle when the current time corresponds to a time between sunset and sunrise.

The navigation terminal according to at least one embodiment of the present invention configured as described above reduces the possibility of collision between another mobile body and a mobile body equipped with the navigation terminal by using the movement information received from the other mobile terminal, thereby ensuring the safety of the navigation terminal user. Can be improved.

Hereinafter, a navigation terminal or a mobile terminal according to the present invention will be described in detail with reference to the accompanying drawings. The suffixes "module" and "unit" for components used in the following description are given or used in consideration of ease of specification, and do not have distinct meanings or roles from each other.

The navigation terminal or another terminal described herein may be implemented in the form of a vehicle navigation terminal mounted on a vehicle to form a car navigation system (CNS).

The mobile body described herein may refer to a user of the navigation terminal 100 in addition to the movable transportation means such as a vehicle, a ship, and an aircraft. The position of the moving object may be recognized as the position of the navigation terminal 100.

Alternatively, the navigation terminal or mobile terminal may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), and the like, equipped with a location information module. It may be implemented in the form.

1 is a block diagram of a navigation terminal according to an embodiment of the present invention.

The navigation terminal 100 or the mobile terminal 200 may include a wireless communication unit 110, a location information module 120, an audio / video input unit 130, a user input unit 140, a sensing unit 150, The output unit 160, the memory 170, the interface unit 180, the controller 190, and the power supply unit 200 may be included. The components shown in FIG. 1 are not essential, so a navigation terminal or mobile terminal 200 with more or less components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules that enable wireless communication between the navigation terminal 100 and the wireless communication system or between the navigation terminal 100 and a network in which the navigation terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short range communication module 114, and the like.

The broadcast receiving module 111 receives a broadcast signal and / or broadcast related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may mean a server that generates and transmits a broadcast signal and / or broadcast related information or a server that receives a previously generated broadcast signal and / or broadcast related information and transmits the same to a terminal. The broadcast signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal having a data broadcast signal combined with a TV broadcast signal or a radio broadcast signal.

The broadcast related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast related information may exist in various forms. For example, it may exist in the form of Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 may include, for example, Digital Multimedia Broadcasting-Terrestrial (DMB-T), Digital Multimedia Broadcasting-Satellite (DMB-S), Media Forward Link Only (MediaFLO), and Digital Video Broadcast (DVB-H). Digital broadcast signals can be received using digital broadcasting systems such as Handheld and Integrated Services Digital Broadcast-Terrestrial (ISDB-T). Of course, the broadcast receiving module 111 may be configured to be suitable for not only the above-described digital broadcasting system but also other broadcasting systems.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 170.

The mobile communication module 112 transmits and receives a wireless signal with at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data according to transmission and reception of a voice call signal, a video call call signal, or a text / multimedia message.

The wireless internet module 113 refers to a module for wireless internet access and may be embedded or external to the navigation terminal 100. Wireless Internet technologies may include Wireless LAN (Wi-Fi), Wireless Broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.

The short range communication module 114 refers to a module for short range communication. As a short range communication technology, Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and the like may be used.

The location information module 120 is a module for obtaining a location of a mobile terminal, and a representative example thereof is a GPS (Global Position System) module.

The GPS module receives a signal including time information from at least three navigation satellites, and calculates a distance from each satellite using the signal. Position information may be obtained by applying triangulation to the calculated distance. The GPS module may increase the accuracy of the calculated location information by further applying techniques such as map matching and dead reckoning to the location information obtained by applying the triangulation method.

The location information module 120 may obtain location information by using various technologies such as cell tower signals, wireless internet signals, and Bluetooth sensors in addition to the GPS module to determine the location of the mobile terminal. This technique is called Hybrid Positioning System.

The location of the navigation terminal 100 sensed by the location information module 120 may mean the location of the moving object.

Referring to FIG. 1, the A / V input unit 130 is for inputting an audio signal or a video signal, and may include a camera 131 and a microphone 132. The camera 131 processes image frames such as still images or moving images obtained by the image sensor in the photographing mode. The processed image frame may be displayed on the display unit 161.

The image frame processed by the camera 131 may be stored in the memory 170 or transmitted to the outside through the wireless communication unit 110. Two or more cameras 131 may be provided according to a usage environment.

The microphone 132 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes the external sound signal into electrical voice data. The microphone 132 may implement various noise removing algorithms for removing noise generated in the process of receiving an external sound signal.

The user input unit 140 generates input data for controlling a user's navigation terminal operation. The user input unit 140 may include a key pad dome switch, a touch pad (static pressure / capacitance), a jog wheel, a jog switch, and the like.

When the navigation terminal 100 is a vehicle navigation device 100, a steering wheel, an acceleration pedal, a brake pedal, a gear shift lever, and the like mounted on a vehicle may be a user input unit. 140 may be configured.

The sensing unit 150 may sense whether or not the user contacts the navigation terminal 100, whether the power supply unit 200 supplies power, whether the interface unit 180 is coupled with an external device, or a vehicle component. . The sensing unit 150 may include a proximity sensor 151.

On the other hand, the sensing unit 150 is a sensor for detecting the movement of the moving object, for example, a speed sensor (speed sensor) for detecting the moving speed of the moving object, an acceleration sensor (G-sensor) for detecting the acceleration, or the moving object It may include a gyro sensor (gyro sensor) for detecting the rotational angular velocity or rotational angular acceleration of the. The sensors for detecting the movement of the moving object may be used as a dead reckoning sensor (DR sensor). The DR sensor may be included in the location information module or used to determine the location of the moving object by interacting with the location information module.

When the navigation terminal 100 is a vehicle navigation apparatus 100, the sensing unit 150 may open or close a vehicle door or window, whether a seat belt is worn, a driver's steering wheel, an accelerator pedal, a brake pedal, and a gear. Operation status of the shifting lever, temperature inside or outside the vehicle, whether the collision between the vehicle and other objects and their strength, distance between the vehicle and other objects, the state of the parts mounted on the vehicle, and lamps mounted inside or outside the vehicle A sensing signal for controlling the operation of the navigation terminal 100 or the vehicle may be generated by detecting a current state of the vehicle or the navigation terminal 100, such as a flashing state or brightness of a lamp, or whether a vehicle occupant is seated. For example, when the vehicle door is opened or when the vehicle occupant is seated, it may be detected by using a pressure sensor that senses the pressure applied to the chair.

The output unit 160 is used to generate an output related to sight, hearing, or tactile sense, and includes a display unit 161, a sound output module 162, an alarm unit 163, and a haptic module 164. Can be.

The display unit 161 displays (outputs) information processed by the navigation terminal 100. For example, when the navigation terminal is in the route search mode, the UI (User Interface) or GUI (Graphic User Interface) related to the route search is displayed. When the navigation terminal 100 is in a video call mode or a photographing mode, the navigation terminal 100 displays a photographed and / or received image, a UI, and a GUI.

The display unit 161 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display (flexible). and at least one of a 3D display.

Some of these displays can be configured to be transparent or light transmissive so that they can be seen from the outside. This may be referred to as a transparent display. A representative example of the transparent display is TOLED (Transparant OLED).

The display unit 161 may be implemented in the form of a head up display (HUD). For example, the display unit 161 may be implemented in a window provided in the windshield or the door of the vehicle. In this case, the display unit 161 may be configured as a transparent type or a light transmissive type.

According to the implementation form of the navigation terminal 100, two or more display units 161 may exist.

When the display unit 161 and a sensor for detecting a touch operation (hereinafter, referred to as a touch sensor) form a mutual layer structure (hereinafter referred to as a touch screen), the display unit 161 may be used in addition to an output device. Can also be used as an input device. The touch sensor may have, for example, a form of a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in pressure applied to a specific portion of the display unit 161 or capacitance generated at a specific portion of the display unit 161 into an electrical input signal. The touch sensor may be configured to detect not only the position and area of the touch but also the pressure at the touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and then transmits the corresponding data to the controller 190. As a result, the controller 190 may determine which area of the display unit 161 is touched.

Referring to FIG. 1, a proximity sensor 151 may be disposed in an inner region of the navigation terminal covered by the touch screen or near the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or an object present in the vicinity without using a mechanical contact by using an electromagnetic force or infrared rays. Proximity sensors have a longer life and higher utilization than touch sensors.

Examples of the proximity sensor include a transmission photoelectric sensor, a direct reflection photoelectric sensor, a mirror reflection photoelectric sensor, a high frequency oscillation proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. When the touch screen is capacitive, the touch screen is configured to detect the proximity of the pointer by the change of the electric field according to the proximity of the pointer. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of allowing the pointer to be recognized without being in contact with the touch screen so that the pointer is located on the touch screen is referred to as a "proximity touch", and the touch The act of actually touching the pointer on the screen is called "contact touch." The position where the proximity touch is performed by the pointer on the touch screen refers to a position where the pointer is perpendicular to the touch screen when the pointer is in proximity proximity.

The proximity sensor detects a proximity touch and a proximity touch pattern (for example, a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, and a proximity touch movement state). Information corresponding to the sensed proximity touch operation and proximity touch pattern may be output on the touch screen.

The sound output module 162 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, a path search mode, and the like. . The sound output module 152 may also output a sound signal related to a function (for example, a call signal reception sound, a message reception sound, a route guidance voice, etc.) performed by the navigation terminal 100. The sound output module 162 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 163 outputs a signal for notifying occurrence of an event of the navigation terminal 100. Examples of events occurring in the navigation terminal include call signal reception, message reception, touch input, abnormalities of components mounted on a vehicle, and abnormal opening and closing of a vehicle door or window. The alarm unit 163 may output a signal for notifying the occurrence of an event by vibration, in addition to a video signal or an audio signal. The video signal or the audio signal may also be output through the display unit 161 or the audio output module 162, so that they 161 and 162 may be classified as part of the alarm unit 163.

The haptic module 164 generates various tactile effects that a user can feel. Vibration is a representative example of the haptic effect generated by the haptic module 164. The intensity and pattern of vibration generated by the haptic module 164 can be controlled. For example, different vibrations may be synthesized and output or may be sequentially output.

In addition to the vibration, the haptic module 164 may be configured to provide a pin array that vertically moves with respect to the contact skin surface, a jetting force or suction force of air through the jetting or suction port, grazing to the skin surface, contact of the electrode, electrostatic force, and the like. Various tactile effects can be generated, such as effects by the endothermic and the reproduction of a sense of cold using the elements capable of endotherm or heat generation.

The haptic module 164 may not only deliver the haptic effect through direct contact, but may also be implemented to allow the user to feel the haptic effect through a muscle sense such as a finger or an arm. Two or more haptic modules 164 may be provided according to a configuration aspect of the navigation terminal 100.

When the navigation terminal 100 is a vehicle navigation terminal 100, the haptic module 164 may be provided where frequent contact with the user is made in the vehicle. For example, it may be provided in a steering wheel, a shift gear lever, a seat seat, and the like.

The memory 170 may store a program for the operation of the controller 190 and may temporarily store input / output data (for example, music, still images, video, map data, and the like). The memory 170 may store data regarding vibration and sound of various patterns output when a touch input on the touch screen is performed.

The memory 170 may include a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), RAM (Random Access Memory, RAM), Static Random Access Memory (SRAM), Read-Only Memory (ROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Programmable Read-Only Memory (PROM), Magnetic Memory, Magnetic It may include a storage medium of at least one type of disk, optical disk. The navigation terminal 100 may operate in association with a web storage that performs a storage function of the memory 170 on the Internet.

The interface unit 180 serves as a path with all external devices connected to the navigation terminal 100. The interface unit 180 receives data from an external device, receives power, transfers the power to each component inside the navigation terminal 100, or transmits data within the navigation terminal 100 to an external device. For example, wired / wireless headset ports, external charger ports, wired / wireless data ports, memory card ports, ports for connecting devices with identification modules, audio input / output (I / O) ports, The video input / output (I / O) port, the earphone port, and the like may be included in the interface unit 180.

When the navigation terminal 100 is a vehicle navigation terminal 100, the interface unit 180 may be a controller-area network (CAN), a local interconnect network (LIN), a FlexRay, a media oriented systems transport (MOST), or the like. Can be connected to other mounted devices of the vehicle.

The identification module is a chip that stores various types of information for authenticating the use authority of the navigation terminal 100. The identification module may include a user identification module (UIM), a subscriber identification module (SIM), and a universal user authentication module. (Universal Subscriber Identity Module, USIM) and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Therefore, the identification device may be connected to the terminal 100 through a port. Alternatively, the identification device may be manufactured in the form of a vehicle key.

The controller 190 typically controls the overall operation of the navigation terminal. For example, it performs related control and processing for data communication, video call, route search, vehicle control and the like. The controller 190 may include a multimedia module 191 for playing multimedia.

When the navigation terminal 100 is a vehicle navigation terminal 100, the controller 190 may include an airbag controller 192 for controlling an airbag mounted on a vehicle, and an emergency battery for controlling an emergency battery mounted on the vehicle. The battery controller 193 may be further provided.

The multimedia module 191, the airbag controller 192, and the emergency battery controller 193 may be implemented in the controller 180 or may be implemented separately from the controller 190.

When the navigation terminal 100 is a vehicle navigation terminal 100 and is implemented with a mobile communication technology, it is also called a telematics terminal. In this case, the control unit 190 becomes a telematics control unit (TCU).

The controller 190 may perform a pattern recognition process for recognizing a writing input or a drawing input performed on the touch screen as text and an image, respectively.

The power supply unit 200 receives an external power source and an internal power source under the control of the controller 190 to supply power for operation of each component.

The navigation terminal 100 may be implemented as a portable navigation terminal 100 provided with some or all of the above components and manufactured to be portable. Alternatively, the navigation terminal 100 may be implemented as a vehicle navigation terminal 100 that includes some or all of the components and is integrated with or detachable from the vehicle.

The navigation terminal 100 may be integrally implemented with the vehicle or may be implemented to be detachable from the vehicle as a separate device from the vehicle.

Various embodiments described herein may be implemented in a recording medium readable by a computer or similar device using, for example, software, hardware or a combination thereof.

As shown in FIG. 1, the wireless communication unit 110 may receive movement information of a mobile terminal (not shown) from a mobile terminal located within a predetermined distance from the navigation terminal 100.

The wireless communication unit 110 may transmit and receive information with the mobile terminal (not shown) without a base station. The navigation terminal 100 may configure an ad-hoc network with the mobile terminal (not shown).

In the ad-hoc network, individual nodes constituting the network may be connected without a base station.

A node constituting the ad-hoc network may be connected to a node existing outside a range capable of communication without a base station by using a separate node that relays the nodes. Can be.

The ad-hoc network may be established between a plurality of nodes. An ad-hoc network established between the plurality of nodes is called a multihop ad-hoc network.

The ad-hoc network may connect each node by a communication standard such as IEEE 902.11p.

The ad hoc network may mean an independent basic service set (IBSS).

The preset distance may be set to a distance at which the navigation terminal 100 and a mobile terminal (not shown) can communicate without a base station. Alternatively, the mobile terminal on which the navigation terminal 100 is mounted may be set to a distance determined to have a high possibility of collision between the mobile terminal on which the mobile terminal (not shown) is mounted.

The preset distance may be variably set according to the moving speed of the navigation terminal 100. Alternatively, the preset distance may be variably set according to the moving speed of the mobile terminal (not shown) received through the wireless communication unit 110.

For example, if the navigation terminal 100 and / or the mobile terminal (not shown) has a fast moving speed, the preset distance is set relatively long or the navigation terminal 100 and / or moves. If the moving speed of the terminal (not shown) is slow, the preset distance may be set relatively short.

The preset distance may be preset at the time of manufacturing the navigation terminal 100 or variably set by the user.

The movement information may include at least one of a location, a movement speed, an expected movement path, and a movement direction of a mobile terminal (not shown).

The wireless communication unit 110 may include a short range communication module 114 for receiving mobile information from the mobile terminal (not shown).

As illustrated in FIG. 1, the controller 190 may calculate a collision possibility between the mobile body on which the navigation terminal 100 is mounted and the mobile body on which a mobile terminal (not shown) is mounted.

The mobile terminal (not shown) may be equipped with a wireless communication module for communicating with the navigation terminal 100.

For example, when there is a point that matches the expected progress path of the mobile body on which the mobile terminal (not shown) is mounted and the expected progress path of the mobile body on which the navigation terminal 100 is mounted, the controller 190 moves the movement. The possibility of collision of the moving objects may be calculated using the moving direction and the speed of the mobile terminal (not shown) received from the terminal (not shown) and the speed and the moving direction of the navigation terminal 100.

In calculating the collision possibility, the controller 190 includes a movement pattern of a moving object on which the navigation terminal 100 is mounted, and a shape of a path existing in a traveling direction of the navigation terminal 100 (including a shape of a road). For example, the shape of the path (including the shape of the road) on which the mobile device on which the mobile terminal is mounted may travel may be referred to.

The controller 190 may determine whether the calculated collision probability exceeds a preset value. The preset value may be preset at the time of manufacturing the navigation terminal 100 or variably set by the user.

The controller 190 may control the output unit 160 to inform the user of the possibility of collision when the probability of collision exceeds a preset value.

The controller 190 may control the vehicle to reduce the possibility of collision when the probability of collision exceeds a preset value.

The controller 190 may control the vehicle such that the vehicle is stopped when the moving object on which the navigation terminal 100 is mounted is a vehicle. For example, the controller 190 may activate the braking device of the vehicle associated with the navigation terminal 100 through the interface unit 180 to stop the vehicle.

The controller 190 may control the vehicle to operate the horn of the vehicle when the moving object on which the navigation terminal 100 is mounted is a vehicle. For example, the controller 190 may drive the horn of the vehicle associated with the navigation terminal 100 through the interface unit 180 to ring the horn.

The controller 190 may control the vehicle to turn on a lamp of the vehicle when the moving object on which the navigation terminal 100 is mounted is a vehicle. For example, the controller 190 may activate a lamp of the vehicle associated with the navigation terminal 100 through the interface unit 180 to light the lamp.

The controller 190 may control the vehicle to light a lamp of the vehicle when the current time corresponds to sunset and sunrise.

As shown in FIG. 1, when the probability of collision exceeds a preset value, the output unit 160 may inform the user of the possibility of collision.

The output unit 160 may include a sound output module 162 for audibly outputting information related to the collision possibility to guide the collision possibility.

The sound output module 162 may inform the user of the collision possibility by outputting a voice guide or an alarm sound. When the output potential of the sound output module 162 is high, the sound guide or alarm sound may be relatively large, or the output period of the alarm sound may be relatively short to guide the user.

The sound output module 162 may output audio such as the type, direction, and moving speed of the mobile body on which the mobile terminal (not shown) is mounted.

The output unit 160 may include a display unit 161 for visually outputting information related to the collision possibility to guide the collision possibility.

The display unit 161 may guide the collision possibility to the user by blinking a screen of the display unit 161, changing a color series displayed on the screen, or displaying an icon indicating the collision possibility on the screen. have.

 The display unit 161 may display a type, a direction, a moving speed, and the like of a moving body on which the mobile terminal (not shown) is mounted.

Hereinafter, a navigation guide method of a navigation terminal according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2 is a flowchart illustrating a driving guide method of a navigation terminal according to an embodiment of the present invention.

As illustrated in FIG. 2, the navigation terminal 100 may receive movement information of the mobile terminal from a mobile terminal (not shown) located within a predetermined distance from the navigation terminal 100 (S10).

The navigation terminal 100 and a mobile terminal (not shown) may be connected through an ad-hoc network.

The navigation terminal 100 may calculate the possibility of collision between the mobile body on which the navigation terminal is mounted and the mobile body on which the mobile terminal is mounted using the received information (S20).

The navigation terminal 100 may determine whether the collision possibility exceeds a preset value (S30). When the probability of collision does not exceed a preset value, the navigation terminal may repeat the step of receiving information (S10) and calculating the probability of collision (S20).

When the possibility of collision exceeds the preset value, the navigation terminal 100 may inform the user of the possibility of output (S40).

When the navigation terminal 100 guides the collision possibility, the navigation terminal 100 may guide the collision possibility to the user visually or audibly (S40).

When the possibility of collision exceeds the preset value, the navigation terminal 100 may control the moving object to reduce the possibility of collision (S50). When the moving object is a vehicle, the navigation terminal 100 may reduce the possibility of collision by stopping the moving object, ringing the horn of the moving object, or lighting a lamp of the moving object.

3 is a diagram illustrating a screen of a mobile terminal according to an embodiment of the present invention.

The screen shown in FIG. 3 may be suitable when the mobile terminal 100 is a navigation terminal 100. The mobile terminal 100 is in the form of a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), etc. If implemented, only some of the components shown in FIG. 3 may be displayed or not all of the components shown in FIG. 3 may be displayed.

As illustrated in FIG. 3, the display unit 161 may display an icon I1 indicating an orientation of a map displayed on an area of the screen. The display unit 161 may display a map such that a specific direction (for example, the true north direction of the earth), the moving direction of the moving object, the direction in which the destination is located, and the like are fixed to the upper direction of the screen.

The display unit 161 may display an icon I2 indicating whether the sound output module 162 is activated and a volume setting in one area of the screen. The user may activate or deactivate the sound output module 162 or adjust the volume by applying a touch input to the icon I2.

The display unit 161 may display an icon I3 indicating whether to activate a route search function using a TPEG (Transport Portal Experts Group) in one area of the screen. TPEG (Transport Portal Experts Group) was originally established in 1997 by the European Broadcasting Union, a group for the establishment of traffic information protocols, but the navigation system is widely known as a route guidance function using real-time traffic information. have.

The display unit 161 may display an icon I4 displaying a scale of the map data in one area of the screen.

The display unit 161 may display an icon I5 displaying a current time in one area of the screen. In addition, the display unit 161 may display an icon I6 indicating an estimated time to reach a preset destination in one region of the screen. In addition, an icon indicating a time required to reach a predetermined destination may be displayed.

The display unit 161 may display an icon I7 displaying a distance remaining to a preset destination in one region of the screen.

The display unit 161 may display an icon I8 that enlarges a map displayed on an area of the screen or an icon I8 'that reduces a map.

The display unit 161 may display an icon I9 indicating a position and a moving direction of the moving object in one region of the screen. The icon I9 may be displayed at a point corresponding to the location of the current moving object on the map. Further, the moving direction of the moving object may be indicated by the vertex direction of the arrow or the like in the icon I9.

The display unit 161 may display an icon I10 displaying a place name of an area where the moving object is located in one area of the screen.

The display unit 161 may display an icon I11 indicating a lane configuration of a roadway when the moving road travels on a road in one area of the screen.

The display unit 161 may display a path required to reach the predetermined destination I12 (see FIG. 8). The route may not be displayed if the destination of the moving object is not set.

4 is a diagram illustrating a state in which a navigation terminal according to an embodiment of the present invention displays the location of a mobile terminal.

As shown in FIG. 4, the navigation terminal 100 includes a screen of terminals P ₁ , P ₂ , P ₃ , P ₄ , P ₅ , and P ₆ located at a short distance from the navigation terminal 100 on a screen. You can mark the location.

The navigation terminal 100 may receive movement information from the mobile terminals P ₁ , P ₂ , and P ₃ located within a preset distance A from the navigation terminal 100.

A mobile terminal (P ₄ , P ₅ , P ₆ ) located at a distance where communication with the navigation terminal 100 is impossible without a base station among the mobile terminals P ₄ , P ₅ , and P _{6 that} are different from the preset distance A from the navigation terminal 100. The terminals may transmit and receive information using the relay node.

5 is a diagram illustrating a state in which a navigation terminal according to one embodiment of the present invention displays movement information of a mobile terminal.

As shown in FIG. 5, the navigation terminal 100 moves the mobile terminals P ₁ , P ₂ , P ₃ , P ₄ , P ₅ , and P ₆ located at a short distance from the navigation terminal 100. Information can be displayed.

The navigation terminal 100 arrows (A ₁ , A) the movement information of the mobile terminals (P ₁ , P ₂ , P ₃ , P ₄ , P ₅ , P ₆ ) located near the navigation terminal 100. ₂ , A ₃ , A ₄ , A ₅ , A ₆ ).

The lengths of the arrows A ₁ , A ₂ , A ₃ , A ₄ , A ₅ , and A ₆ are the moving speeds of the mobile terminals P ₁ , P ₂ , P ₃ , P ₄ , P ₅ , and P ₆ . The direction of the arrow (A ₁ , A ₂ , A ₃ , A ₄ , A ₅ , A ₆ ) is the direction of the mobile terminals (P ₁ , P ₂ , P ₃ , P ₄ , P ₅ , P ₆ ) It may mean the direction of movement.

FIG. 6 is a diagram illustrating a navigation terminal visually guiding a collision possibility according to an embodiment of the present invention.

As illustrated in FIG. 6, the navigation terminal 100 displays, on a screen, an icon I12 indicating a possibility of collision between a mobile body on which the navigation terminal 100 is mounted and a mobile body on which another mobile terminal (not shown) is mounted. I can display it.

6 shows an icon I12 indicating the presence or absence of the collision possibility, the icon I12 may display the magnitude of the collision probability as a numerical value or as the size or color of the icon I12. .

FIG. 7 is a view illustrating a navigation terminal controlling a moving object to reduce a collision possibility according to an embodiment of the present invention.

As illustrated in FIG. 7, the navigation terminal 100 may display an icon I13 indicating that the moving object is controlled to reduce the possibility of collision.

In addition, according to an embodiment of the present invention, the above-described method may be implemented as code that can be read by a processor in a medium in which a program is recorded. Examples of processor-readable media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and may be implemented in the form of a carrier wave (for example, transmission over the Internet). Include.

The above-described navigation terminal is not limited to the configuration and method of the above-described embodiments, but the embodiments may be configured by selectively combining all or some of the embodiments so that various modifications can be made. It may be.

1 is a block diagram of a navigation terminal according to an embodiment of the present invention.

2 is a flow chart showing a driving guidance method of a navigation terminal according to an embodiment of the present invention.

3 is a view showing a screen of the mobile terminal according to an embodiment of the present invention.

4 is a view showing a state in which a navigation terminal according to an embodiment of the present invention displays the location of a mobile terminal.

FIG. 5 is a diagram illustrating a navigation terminal displaying movement information of a mobile terminal according to one embodiment of the present invention; FIG.

6 is a view showing a navigation terminal visually guides the possibility of collision associated with an embodiment of the present invention.

7 is a view showing a navigation terminal associated with an embodiment of the present invention to control a moving object to reduce the possibility of collision.

Claims (22)

A wireless communication unit configured to receive movement information of the mobile terminal from a mobile terminal located within a predetermined distance from the navigation terminal; A control unit which calculates a collision probability between the mobile unit on which the navigation terminal is mounted and the mobile unit on which the mobile terminal is mounted using the received information, and determines whether the calculated collision probability exceeds a preset value; and And an output unit for informing the user of the possibility of collision if the probability of collision exceeds a preset value. According to claim 1, The movement information is, A navigation terminal comprising at least one of a location, a moving speed, an expected moving path, and a moving direction of the mobile terminal. The method of claim 2, The movement information is, A moving speed of the mobile terminal, The control unit, And resetting the set distance variably according to the received moving speed of the mobile terminal. According to claim 1, The wireless communication unit, And a short range communication module configured to receive movement information of the mobile terminal from a mobile terminal located within a predetermined distance from the navigation terminal. According to claim 1, The output unit, And a sound output module for audibly outputting information related to the collision possibility to guide the collision possibility. According to claim 1, The output unit, And a display unit for visually displaying the information related to the collision possibility to guide the collision possibility. According to claim 1, The control unit, A navigation terminal for controlling the moving body to reduce the possibility of collision. The method of claim 7, wherein The moving body is a vehicle, The control unit, And controlling the vehicle to stop the vehicle. The method of claim 7, wherein The moving body is a vehicle, The control unit, And controlling the vehicle to operate the horn of the vehicle. The method of claim 7, wherein The moving body is a vehicle, The control unit, And a navigation terminal for controlling the vehicle to light the lamp of the vehicle. The method of claim 10, The control unit, And control the vehicle to light a lamp of the vehicle when the current time corresponds to a time between sunset and sunrise. Receiving movement information of the mobile terminal from a mobile terminal located within a preset distance from the navigation terminal; Calculating a probability of collision between the mobile body on which the navigation terminal is mounted and the mobile body on which the mobile terminal is mounted using the received information; If the likelihood of collision exceeds a preset value, informing the user of the likelihood of collision; The method of claim 12, The movement information is, A navigation terminal comprising at least one of a location, a moving speed, an expected moving path, and a moving direction of the mobile terminal. The method of claim 13, The movement information is, A moving speed of the mobile terminal, The preset distance is, The navigation guide method of the navigation terminal is set variable according to the movement speed of the received mobile terminal. The method of claim 12, The receiving step, A method of driving a navigation terminal, the method comprising receiving movement information of a mobile terminal from a mobile terminal located within a predetermined distance from the navigation terminal using short-range communication. The method of claim 12, The step of guiding, And a navigation guidance method for guiding a collision possibility by audibly outputting information related to the collision possibility. The method of claim 12, The step of guiding, And a navigation guide method for guiding a collision possibility by visually displaying information related to the collision potential. The method of claim 12, And controlling a moving object to reduce the possibility of collision. 19. The method of claim 18, The moving body is a vehicle, The controlling step, And a step of controlling the vehicle to stop the vehicle. 19. The method of claim 18, The moving body is a vehicle, The controlling step, And controlling the vehicle to operate the horn of the vehicle. 19. The method of claim 18, The moving body is a vehicle, The controlling step, And controlling the vehicle to light the lamp of the vehicle. The method of claim 21, The controlling step, And if the current time corresponds to a time between sunset and sunrise, controlling the vehicle to light a lamp of the vehicle.

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