KR20100132381A - Mobile vehicle navigation method and apparatus thereof - Google Patents

Abstract

PURPOSE: A mobile vehicle navigation method and an apparatus thereof are provided to protect the call conversation contents of a vehicle driver by differently controlling a first sound output unit and a second sound output unit. CONSTITUTION: A GPS(Global Positioning System) module(401) generates first vehicle location data, and a DR(Dead-Reckoning) sensor(402) generates second vehicle location data. A map matching unit(403) merges an estimated vehicle location with a link of a map data. A communication unit(408) performs call connection, and a control unit(407) is connected to a first sound output unit(406-1) and a second sound output unit(406-2) through an interface. The control unit differently controls the first sound output unit and the second sound output unit in a call connection state.

Description

Vehicle navigation method and apparatus thereof {MOBILE VEHICLE NAVIGATION METHOD AND APPARATUS THEREOF}

The present invention relates to a vehicle navigation method and apparatus thereof.

In general, a vehicle navigation apparatus according to the prior art receives traffic information from a traffic information center and provides a road guidance service based on map data and current vehicle location information.

Disclosure of Invention An object of the present invention is to provide a vehicle navigation method and apparatus capable of protecting a privacy of a user by protecting a telephone conversation of a vehicle driver.

Vehicle navigation apparatus according to embodiments of the present invention for achieving the above object, Communication unit for performing a telephone call connection; The control unit is connected to the first sound output unit and the second sound output unit of the vehicle through an interface, and controls the first sound output unit and the second sound output unit differently when the phone call is connected.

A vehicle navigation method according to embodiments of the present invention for achieving the above object comprises the steps of: performing a telephone call connection; Controlling the first sound output unit and the second sound output unit of the vehicle connected through the interface when the phone call connection state is different.

Vehicle navigation method and apparatus according to embodiments of the present invention, by performing a telephone call connection, the vehicle driver by controlling the first sound output unit and the second sound output unit of the vehicle differently when the telephone call connection state, By protecting the contents of the phone call is effective to protect the privacy of the user.

Hereinafter, preferred embodiments of a vehicle navigation method and a device capable of protecting a privacy of a user by protecting a telephone conversation of a vehicle driver will be described in detail with reference to FIGS. 1 to 8.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms "... unit", "... group", "module", etc. described in the specification mean a unit for processing at least one function or operation, which is hardware or software or a combination of hardware and software. It can be implemented as.

1 is a block diagram showing the configuration of a mobile communication terminal 100 according to an embodiment of the present invention. The mobile communication terminal (mobile phone) 100 may be implemented in various forms. For example, the mobile communication terminal 100 includes a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), and the like.

As shown in FIG. 1, the mobile communication terminal 100 includes a wireless communication unit 110, an A / V (Audio / Video) input unit 120, a user input unit 130, a sensing unit 140, and an output unit 150. ), A memory 160, an interface unit 170, a controller 180, a power supply unit 190, and the like. Not all components of the mobile communication terminal 100 shown in FIG. 1 are essential components, and the mobile communication terminal 100 may be implemented by more components than those shown in FIG. The mobile communication terminal 100 may also be implemented by components.

The wireless communication unit 110 includes one or more components for performing wireless communication between the mobile communication terminal 100 and a wireless communication system or wireless communication between the mobile communication terminal 100 and a network in which the mobile communication terminal 100 is located. It may include. 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, a location information module 115, 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 pre-generated broadcast signal and / or broadcast related information and transmits the same to the mobile communication terminal 100. . The broadcast related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. 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.

Meanwhile, the broadcast related information may be provided through a mobile communication network, and in this case, 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 receives broadcast signals using various broadcasting systems, and in particular, digital multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), and media forward link (MediaFLO). Digital broadcast signals can be received using digital broadcasting systems such as only), digital video broadcast-handheld (DVB-H), integrated services digital broadcast-terrestrial (ISDB-T), and the like. Of course, the broadcast receiving module 111 is configured to be suitable for all broadcasting systems that provide broadcasting signals as well as the digital broadcasting system described above. The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives a radio 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 voice call signals, video call signals, and / or text / multimedia messages.

The wireless internet module 113 refers to a module for wireless internet access, and the wireless internet module 113 may be built in or external to the mobile communication terminal 100. Here, wireless Internet technologies include WLAN (Wireless LAN), Wi-Fi, WiBro, WiMAX, World Interoperability for Microwave Access (Wimax), HSDPA (High Speed Downlink Packet Access), and the like. Can be used.

The short range communication module 114 means 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 position information module 115 is a module for checking or obtaining the position of the mobile terminal (it is possible to check the position of the vehicle when the mobile terminal is mounted on the vehicle). One example is the Global Position System (GPS) module. The GPS module receives position information from a plurality of satellites. Here, the location information may include coordinate information represented by latitude and longitude. For example, the GPS module can measure the exact time and distance from three or more satellites and accurately calculate the current position by triangulating three different distances. A method of obtaining distance and time information from three satellites and correcting the error with one satellite may be used. In particular, the GPS module can obtain not only the location of latitude, longitude, and altitude but also accurate time together with three-dimensional speed information from the location information received from the satellite. As the location information module 115, a Wi-Fi Positioning System and / or a Hybrid Positioning System may be applied.

The A / V input unit 120 is for inputting an audio signal or a video signal, and the A / V input unit 120 includes a camera 121 and a microphone 122. May be included. The camera 121 processes an image frame such as a still image or a video obtained by an image sensor in a video call mode or a photographing mode. The processed image frame may be displayed on the display unit 151.

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. Two or more cameras 121 may be configured according to the configuration of the mobile terminal.

The microphone 122 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. In the call mode, the processed voice data may be converted into a form transmittable to the mobile communication base station through the mobile communication module 112 and output. The microphone 122 may implement various noise removing algorithms for removing noise generated in the process of receiving an external sound signal.

The user input unit 130 generates input data for the user to control the operation of the mobile terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static pressure / capacitance), a jog wheel, a jog switch, and the like. In particular, when the touch pad forms a mutual layer structure with the display unit 151, this may be referred to as a touch screen.

The sensing unit 140 may be an open / closed state of the mobile communication terminal 100, a location of the mobile communication terminal 100, a user contact presence, a bearing of the mobile communication terminal 100, an acceleration / deceleration of the mobile communication terminal 100, and the like. As described above, the current state of the mobile communication terminal 100 is sensed to generate a sensing signal for controlling the operation of the mobile communication terminal 100. For example, when the mobile communication terminal 100 is in the form of a slide phone, whether the slide phone is opened or closed may be sensed. In addition, the sensing unit 140 is responsible for sensing functions related to whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to an external device, and the like.

The interface unit 170 serves as an interface with all external devices connected to the mobile communication terminal 100. For example, the interface unit 170 may include a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device equipped with an identification module, An audio input / output (I / O) port, a video input / output (I / O) port, and an earphone port may be configured. Here, the identification module is a chip that stores a variety of information for authenticating the usage rights of the mobile communication terminal 100, and includes a user identification module (UIM) and a subscriber identify module (SIM). ), A Universal Subscriber Identity Module (“USIM”), and the like. In addition, the device equipped with the identification module (hereinafter, 'identification device') may be manufactured in the form of a smart card. Therefore, the identification module may be connected to the mobile communication terminal 100 through a port. The interface unit 170 receives data from an external device or receives power to transmit the data to each component inside the mobile communication terminal 100 or transmit data within the mobile communication terminal 100 to an external device.

The output unit 150 is for outputting an audio signal, a video signal, or an alarm signal. The output unit 150 includes a display unit 151, an audio output module 152, an alarm unit 153, and the like. This may be included.

The display unit 151 displays and outputs information processed by the mobile communication terminal 100. For example, when the mobile communication terminal 100 is in a call mode, the mobile terminal 100 displays a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile communication terminal 100 is in a video call mode or a photographing mode, the mobile communication terminal 100 displays a photographed and / or received image, a UI, or a GUI.

The display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, or a three-dimensional display. It may include at least one of (3D display). In addition, two or more display units 151 may exist according to an implementation form of the mobile communication terminal 100. For example, an external display unit (not shown) and an internal display unit (not shown) may be simultaneously provided in the mobile communication terminal 100.

When the display unit 151 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 151 outputs the touch screen. In addition to the 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.

In addition, the touch sensor may be configured to convert a change in pressure applied to a specific portion of the display unit 151 or capacitance generated at a specific portion of the display unit 151 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. When there is a touch input to the touch sensor, the corresponding signal (s) is sent to a touch controller (not shown). The touch controller processes the signal (s) and then transmits the corresponding data to the controller 180. As a result, the controller 180 can determine which area of the display unit 151 is touched.

Hereinafter, the proximity sensor 141 of the mobile communication terminal 100 will be described with reference to FIG. 2.

2 is a diagram illustrating a proximity touch process for explaining a data display method according to example embodiments. Proximity-touch in the present invention means that the pointer is approached a predetermined distance away from the screen without actually touching the screen.

The proximity sensor 141 may be disposed in the inner region of the mobile communication terminal 100 surrounded by the touch screen or near the touch screen. The proximity sensor 141 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 mechanical force by using an electromagnetic force or infrared rays. The proximity sensor 141 has a longer life and higher utilization than a contact sensor.

Examples of the proximity sensor 141 include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type 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 "Proximity Touch", and the touch The act of actually touching the pointer on the screen is called "Contact Touch". The position of the proximity touch with the pointer on the touch screen means a position where the pointer is perpendicular to the touch screen when the pointer is in proximity touch.

In addition, the proximity sensor 141 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). do. Information corresponding to the sensed proximity touch operation and proximity touch pattern may be output on the touch screen.

The sound output module 152 outputs 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, and the like. In addition, the sound output module 152 outputs a sound signal related to a function (eg, a call signal reception sound, a message reception sound, etc.) performed in the mobile communication terminal 100. The sound output module 152 may include a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying occurrence of an event of the mobile communication terminal 100. Examples of events occurring in the mobile terminal include call signal reception, message reception, and key signal input. The alarm unit 153 may output a signal for notifying occurrence of an event in a form other than an audio signal or a video signal. For example, the signal may be output in the form of vibration. When a call signal is received or a message is received, the alarm unit 153 may vibrate the mobile terminal through a vibration means. Alternatively, when the key signal is input, the alarm unit 153 may vibrate the mobile communication terminal 100 through the vibration means in response to the key signal input. The user can recognize the occurrence of the event through the vibration as described above. Of course, the signal for notification of event occurrence may be output through the display unit 151 or the voice output module 152.

The haptic module 154 generates various tactile effects that the user can feel. Vibration is a representative example of the haptic effect generated by the haptic module 154. The intensity and pattern of vibration generated by the haptic module 154 can be controlled. For example, different vibrations may be synthesized and output or may be sequentially output.

The haptic module 154, in addition to the vibration, the pin arrangement to move vertically with respect to the contact skin surface, the blowing force or suction force of the air through the injection or inlet, the grazing to the skin surface, the contact of the electrode (eletrode), the stimulation such as electrostatic force Various tactile effects can be produced, such as the effects of the heat-absorbing effect and the effect of reproducing a sense of cold using the elements capable of absorbing heat or heat.

The haptic module 154 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. The haptic module 154 may be provided with two or more according to the configuration aspect of the telematics terminal. The haptic module 154 may be provided at a place where contact with the user is frequent 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 160 may store a program for processing and controlling the controller 180 and temporarily stores input / output data (for example, map data, phonebook, message, still image, video, etc.). It can also perform a function for.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory). 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. In addition, the mobile communication terminal 100 may operate a web storage that performs a storage function of the memory 150 on the Internet.

The interface unit 170 serves as an interface with all external devices connected to the mobile terminal 100. For example, the interface unit 170 may include a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device equipped with an identification module, An audio input / output (I / O) port, a video input / output (I / O) port, and an earphone port may be configured. Here, the identification module is a chip that stores a variety of information for authenticating the use authority of the mobile terminal 100, a user identification module (UIM), subscriber identification module (SIM), universal user authentication It may include a module (Universal Subscriber Identity Module (USIM)). In addition, the device equipped with the identification module (hereinafter referred to as an identification device) may be manufactured in the form of a smart card. Therefore, the identification module may be connected to the mobile terminal 100 through a port. The interface unit 170 may receive data from an external device or receive power and transmit the data to each component inside the mobile terminal 100 or transmit data within the mobile terminal 100 to an external device.

The interface unit 170 may be a passage through which power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle, or various commands input by the user from the cradle. It may be a passage through which a signal is transmitted to the mobile terminal 100. Various command signals or power input from the cradle may be operated as signals for recognizing that the mobile terminal 100 is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile communication terminal 100. For example, the controller 180 performs related control and processing for voice call, data communication, video call, and the like. In addition, the controller 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the controller 180 or may be implemented separately from the controller 180.

The controller 180 may perform a pattern recognition process for recognizing a writing input or a drawing input performed on a touch screen as text and an image, respectively.

The power supply unit 190 receives an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.

The functions of the components applied to the mobile communication terminal 100 may be implemented in a computer-readable recording medium using software, hardware, or a combination thereof. Hardware implementations include application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPCs), and controllers (FPGAs). It may be implemented using at least one of controllers, micro-controllers, microprocessors, electrical units for performing functions, etc. In some cases such embodiments are implemented by the controller 180. In a software implementation, embodiments such as a procedure or function may be implemented with a separate software module that performs at least one function or operation Software code may be written in a software application written in a suitable programming language. Software code is also stored in the memory 160 and controlled. It may be executed by the unit 180.

The voice recognition module 182 recognizes the voice spoken by the user and performs a corresponding function according to the recognized voice signal.

Meanwhile, the control unit 180 applied to the mobile communication terminal 100 according to the embodiments of the present invention may connect the interface unit 170 connected to the network of the vehicle (eg, Controller Area Network, Media Oriented Systems Transport). The first sound output unit and the second sound output unit of the vehicle are connected to each other, and the first sound output unit and the second sound output unit of the vehicle are differently controlled when the telephone call is connected. Here, the first sound output unit is located in the direction of the vehicle driver's seat, and the first sound output unit is located at the left and right sides of the passenger seat direction and the rear seat, respectively. Therefore, the first sound output unit may be one, and the second sound output unit may include three sound output units.

3 is a block diagram illustrating a vehicle navigation system for explaining a telematics terminal to which a vehicle navigation apparatus according to an exemplary embodiment of the present invention is applied.

As shown in Fig. 3, the vehicle navigation system includes an information providing center 30 which provides traffic information and various data (for example, programs, executable files, etc.); Telematics, which is mounted in a vehicle, receives traffic information through a long range wireless communication network 20 and / or a short range wireless communication network, and provides a road guidance service based on the GPS signal received through the satellite 10 and the traffic information. It consists of a terminal 200.

Hereinafter, the configuration of the telematics terminal 200 to which the vehicle navigation apparatus according to embodiments of the present invention is applied will be described with reference to FIG. 4.

4 is a block diagram illustrating a configuration of a telematics terminal 200 to which a vehicle navigation apparatus according to embodiments of the present invention is applied.

As shown in Fig. 4, the telematics terminal 200 includes a control unit (for example, a central processing unit, a CPU) 212 for controlling the telematics terminal 200 as a whole, a memory 213 for storing various kinds of information; The main board 210 includes a key controller 211 for controlling various key signals and an LCD controller 214 for controlling a liquid crystal display (LCD).

The memory 213 stores map information (map data) for displaying road guidance information on a digital map. In addition, the memory 213 stores a traffic information collection control algorithm for inputting traffic information according to a road situation in which the vehicle is currently driving, and information for controlling the algorithm.

The main board 210 is assigned with a unique device number for a code division multiple access (CDMA) module 206, which is a mobile communication terminal embedded in a vehicle, for locating a vehicle, tracking a driving route from a starting point to a destination, and the like. GPS module 207 for receiving a GPS signal or transmitting traffic information collected by a user as a GPS (Global Positioning System) signal, a CD deck (CD Deck) 208 for reproducing a signal recorded on a compact disk (CD) ), A gyro sensor 209 and the like. The CDMA module 206 and the GPS module 207 transmit / receive signals through the antennas 204 and 205.

In addition, the broadcast receiving module 222 is connected to the main board 210 and receives a broadcast signal through the antenna 223. The main board 210 includes a display unit (201) under the control of the LCD control unit 214 through the interface board 203, a front board 202 under the control of the key control unit 211, and a vehicle. The camera 227 for capturing the inside and / or the outside is connected. The display unit 201 displays various video signals and text signals, and the front board 202 is provided with buttons for inputting various key signals, and the main board 210 provides a key signal corresponding to a user-selected button. To provide. In addition, the display unit 201 includes a proximity sensor and a touch sensor (touch screen) of FIG. 2.

The front board 202 may include a menu key for directly inputting traffic information, and the menu key may be configured to be controlled by the key controller 211.

The audio board 217 is connected to the main board 210 and processes various audio signals. The audio board 217 includes a microcomputer 219 for controlling the audio board 217, a tuner 218 for receiving a radio signal, a power supply unit 216 for supplying power to the microcomputer 219, and various voices. It consists of a signal processor 215 for processing a signal.

In addition, the audio board 217 is composed of a radio antenna 220 for receiving a radio signal, and a tape deck 221 for reproducing an audio tape. The audio board 217 may further configure a voice output unit (for example, an amplifier) 226 for outputting a voice signal processed by the audio board 217.

The voice output unit (amplifier) 226 is connected to the vehicle interface 224. That is, the audio board 217 and the main board 210 are connected to the vehicle interface 224. The vehicle interface 224 may be connected to a hands-free 225a for inputting a voice signal, an airbag 225b for occupant safety, a speed sensor 225c for detecting the speed of the vehicle, and the like. The speed sensor 225c calculates a vehicle speed and provides the calculated vehicle speed information to the central processing unit 212.

The navigation session 300 applied to the telematics terminal 200 generates road guide information based on map data and vehicle current location information, and notifies the user of the generated road guide information.

The display unit 201 detects a proximity touch in the display window through a proximity sensor. For example, the display unit 201 detects the position of the proximity touch when the pointer (for example, a finger or a stylus pen) is in close proximity, and displays the position information corresponding to the detected position. Output to the control unit 212.

The voice recognition device (or voice recognition module) 301 recognizes a voice spoken by the user and performs a corresponding function according to the recognized voice signal.

Meanwhile, the controller 212 applied to the telematics terminal 200 according to the embodiments of the present invention may connect the vehicle through an interface unit 224 connected to a network of the vehicle (for example, a controller area network or a media oriented systems transport). It is connected to the first and second sound output of the control, and when the telephone call connection state and controls the first sound output and the second sound output of the vehicle differently. Here, the first sound output unit is located in the direction of the vehicle driver's seat, and the first sound output unit is located at the left and right sides of the passenger seat direction and the rear seat, respectively. Therefore, the first sound output unit may be one, and the second sound output unit may include three sound output units.

Hereinafter, a configuration of a vehicle navigation apparatus according to embodiments of the present invention will be described with reference to FIG. 5. Here, the vehicle navigation apparatus of FIG. 5 is not only a mobile communication terminal 100 and a telematics terminal 200 but also a smart phone, a notebook computer, a personal digital assistant (PDA), and a portable multimedia player (PMP). It can be applied to various terminals such as.

5 is a block diagram showing the configuration of a vehicle navigation apparatus 400 according to embodiments of the present invention.

As shown in FIG. 5, the vehicle navigation apparatus 400 according to the embodiments of the present invention receives a global positioning system (GPS) signal received from a satellite and based on the received GPS signal, A GPS module 401 for generating first vehicle position data of the telematics terminal 200 or the mobile communication terminal 100; A dead-reckoning (DR) sensor 402 for generating second vehicle position data based on a driving direction of the vehicle and the speed of the vehicle; A storage unit (or memory) 404 for storing map data and various information; A vehicle estimation position is generated based on the first vehicle position data and the second vehicle position data, and the generated vehicle estimation position and a link in the map data stored in the storage unit 404 (map matching link or map matching road). Map matching unit (403) for matching and outputting the matched map information (map matching result); A communication unit 408 for receiving real-time traffic information from the information providing center and / or surrounding vehicles through the wireless communication network 500 and performing telephone communication; A controller 407 for generating road guidance information based on the matched map information (map matching result); A display unit 405 for displaying a road guidance map (including interest point information) included in the road guidance information; And an internal speaker (not shown) for outputting road guide voice information (road guide voice message) included in the road guide information.

The control unit 407 according to an embodiment of the present invention outputs the first and second sound of the vehicle through an interface unit (not shown) connected to the vehicle network (for example, a controller area network or a media oriented systems transport). The first sound output unit 406-1 and the second sound output unit 406-2 of the vehicle are connected to the parts 406 and differently when the phone is connected to the phone. Here, the first sound output unit 406-1 is located in the direction of the vehicle driver's seat, and the second sound output unit 406-2 is located at the left and right sides of the passenger seat direction and the rear seat, respectively. Accordingly, the first sound output unit 406-1 may be configured as one, and the second sound output unit 406-2 may be configured as three sound output units.

Here, the communication unit 408 may further include a handsfree having a Bluetooth module.

The road guidance information may include not only map data but also various information related to driving such as lane information, driving speed limit information, turn-by-turn information, traffic safety information, traffic guidance information, vehicle information, and route finding information. .

Signals received through the GPS module 401 are 802.11, Bluetooth, UWB, which is a standard of a wireless network for a wireless LAN, including a wireless LAN and some infrared communication proposed by the Institute of Electrical and Electronics Engineers (IEEE). 802.15, a standard for wireless personal area networks (PANs) including Zigbee, and wireless metro area networks (BWAs) including fixed wireless access (FWA), etc. The wireless communication method such as 802.16, which is a standard standard for mobile communication, and 802.20, which is a standard for the mobile Internet, for wireless MAN (MBWA: Mobile Broadband Wireless Access) including Wibro, WiMAX, etc. Location information may be provided to the navigation device 400.

An input unit may be further configured in the navigation device 400. The input unit may select a function desired by a user or receive information, and various devices such as a keypad, a touch screen, a jog shuttle, and a microphone may be used.

The map matching unit 403 generates a vehicle estimation position based on the first position data and the second position data, and reads map data corresponding to a driving route from the storage unit 404.

The map matching unit 403 matches the estimated vehicle position with a link (road) included in the map data, and outputs the matched map information (map matching result) to the controller 407. . For example, the map matching unit 403 generates a vehicle estimation position based on the first position data and the second position data, and generates the estimated vehicle position and the map data stored in the storage unit 404. The links within the link are matched according to the link order, and the matched map information (map matching result) is output to the controller 407. The map matching unit 403 may output road attribute information, such as a tomographic road or a double layer road, included in the matched map information (map matching result) to the controller 407. In addition, the function of the map matching unit 403 may be implemented in the controller 407.

The storage unit 404 stores map data. In this case, the stored map data includes geographic coordinates (Geographic Coordinate or longitude coordinates) indicating latitude and longitude in degrees and seconds (DMS unit: Degree / Minute / Second). Here, the stored map data may use Universal Transverse Mercator (UTM) coordinates, Universal Polar System (UPS) coordinates, Transverse Mercator (TM) coordinates, etc. in addition to the geographic coordinates.

The storage unit 404 stores various kinds of information such as various menu screens, point of interest (POI), function characteristic information according to a specific position of map data, and the like.

The storage unit 404 stores various user interfaces (UIs) and / or graphical user interfaces (GUIs).

The storage unit 404 stores data, a program, and the like necessary for the navigation device 400 to operate.

The storage unit 404 stores destination information input from a user through the input unit. In this case, the destination information may be a destination, or one of a departure point and a destination.

The display unit 405 displays image information (or road guidance map) included in the road guide information generated by the control unit 407. Here, the display unit 405 includes a touch sensor (touch screen) and a proximity sensor. The road guidance information may include not only map data but also various information related to driving such as lane information, driving speed limit information, turn-by-turn information, traffic safety information, traffic guidance information, vehicle information, and route finding information. have.

When displaying the image information, the display unit 405 may display various contents such as various menu screens and road guide information by using a user interface and / or a graphic user interface included in the storage unit 404. have. Here, the content displayed on the display unit 405 includes a menu screen including various text or image data (including map data and various information data) and data such as icons, list menus, combo boxes, and the like.

The voice output unit 406 outputs voice information (or a voice message for the road guide information) included in the road guide information generated by the controller 407. Here, the voice output unit 406 may be an amplifier or a speaker.

The controller 407 generates road guide information based on the matched map information, and outputs the generated road guide information to the display unit 405 and the voice output unit 406. In this case, the display unit 405 displays the road guide information.

The real-time traffic information is received from the control unit 407, the information providing center and / or a terminal (vehicle navigation device) mounted in the surrounding vehicle to generate road guidance information.

The controller 407 may be connected through a call center and a communication unit 408 to perform a telephone call or to transmit / receive information between the navigation device 400 and the call center. Here, the communication unit 408 further includes a hands-free module having a Bluetooth function using a short range wireless communication method.

On the other hand, the control unit 407 according to an embodiment of the present invention through the interface unit (not shown) connected to the network network of the vehicle (for example, Controller Area Network, Media Oriented Systems Transport), the first and second of the vehicle It is connected to the sound output units 406, it is determined whether the phone call connection state.

The controller 407 turns off the first sound output unit 406-1 of the vehicle when the phone call is connected, and controls the sound direction of the second sound output unit 406-2 in a preset direction. do. Here, the first sound output unit 406-1 is located in the direction of the vehicle driver's seat, and the second sound output unit 406-2 is located at the left and right sides of the passenger seat direction and the rear seat, respectively. Accordingly, the first sound output unit 406-1 may be configured as one, and the second sound output unit 406-2 may be configured as three sound output units.

In addition, the control unit 407 controls the speaker balance or volume of the first sound output unit 406-1 and the second sound output unit 406-2 of the vehicle differently when the phone call is connected. You may. For example, the controller 407 sets the speaker volume of the first sound output unit 406-1 to be lower than the speaker volume of the second sound output unit 406-2 when the phone call is connected. The sound direction of the second sound output unit 406-2 is controlled from the first direction to the second direction. Here, the first direction refers to the acoustic direction toward the driver's seat direction, the passenger seat direction, the rear seat direction, and the second direction means the acoustic direction toward the passenger seat direction and the rear seat direction excluding the driver's seat direction.

Accordingly, the navigation method and the apparatus according to the embodiments of the present invention, by performing a telephone call connection, and by controlling the first sound output unit and the second sound output unit of the vehicle differently when the telephone call connection state, By protecting the driver's phone call contents can protect the privacy of the user.

Hereinafter, a vehicle navigation method according to a first embodiment of the present invention will be described with reference to FIGS. 5 and 6.

6 is a flowchart illustrating a vehicle navigation method according to a first embodiment of the present invention.

First, the controller 407 determines whether a phone call is connected through the communication unit 408 (S11).

The controller 407 turns off the first sound output unit 406-1 when the phone call is connected (S12). That is, the controller 407 turns off the first sound output unit 406-1 when the phone call is connected to output the phone call contents through the first sound output unit 406-1. To prevent them.

The controller 407 controls the sound direction of the second sound output unit 406-2 from the first direction to the second direction when the phone call is connected (S13). In this case, the controller 407 outputs an audio signal (for example, an audio signal or a radio signal output through a multimedia player) except for an audio signal corresponding to a telephone call when the telephone call is connected to the second sound output unit. Output via (406-2). That is, the controller 407 outputs the audio signal corresponding to the telephone call only to the wireless earphone or the wired earphone when the telephone call is connected.

When the wireless earphone or wired earphone 409 is connected to the communication unit 408 when the telephone call is connected, the controller 407 may output an audio signal corresponding to the telephone call through the wireless earphone or wired earphone 409. Output it (S14).

Thereafter, the controller 407 determines whether the telephone call has ended (S15). The control unit 407 turns on the first sound output unit 406-1 when the phone call ends (S16), and is selected by the user through the first sound output unit 406-1. Outputs an audio signal or a radio signal output through the multimedia player.

The controller 407 controls the sound direction of the second sound output unit 406-2 from the second direction to the first direction when the phone call is terminated (S17). That is, the controller 407 initializes the acoustic direction of the second sound output unit 406-2 to the state before the telephone call connection when the telephone call is terminated.

Hereinafter, a method of controlling the sound direction of the sound output unit according to the first embodiment of the present invention will be described with reference to FIGS. 5 and 7. Here, the configuration of the sound output unit of FIG. 7 represents the configuration of the second sound output unit 406-2, and the configuration of the first sound output unit 406-1 may also be configured as the configuration of the seventh sound output unit.

7 is a diagram showing the configuration of the sound output unit according to the first embodiment of the present invention.

As shown in Fig. 7, each sound output unit 406 converts the sound data input from the control unit 407 into a sound and outputs the sound, and the sound output from the sound output unit 406 has directivity. In this case, the directivity refers to the concentration of sound in a designated direction.

The sound output unit 406 includes a speaker 406A and a directing unit 406B, and the directing unit 406B includes a motor 406C, a guide 406D, and a plurality of directing planes. 406E).

The speaker 406A converts the sound data input from the controller 407 into sound and outputs the sound forward. The output direction of the speaker 406A and the horizontal and vertical directions are perpendicular to each other. The sound output from the speaker 406A is non-directional, i.e., spreads in the horizontal and vertical directions while traveling in the output direction.

The directing portion 406B is disposed adjacent to the speaker 406A and directs sound from the speaker 406A to satisfy the audible condition.

The plurality of directing plates 406E are disposed in front of the speaker 406A, and guide the sound from the speaker 406A in a specified direction. That is, the sound from the speaker 406A travels in the path between the directing plates 406E. Each directional plate 406E may have any shape, such as a rectangular flat plate and a semi-circular flat plate. The plurality of directing plates 406B may be arranged in parallel with each other. Under the control of the controller 407, each of the directional plates 406E is rotated about the rotation axis 406F, and one end thereof is rotatably supported by the guide 406D. For example, a rectangular groove is formed at one end of the directional plate 406E, one end of the directional plate 406E is coupled to the guide 406D by a screw, and the The screw can move along the rectangular groove upon rotation.

The motor 406C provides a constant level of driving force for a time according to the control signal input from the controller 407.

The guide 406D moves forward or backward (ie, retreat) in accordance with the driving force provided from the motor 406C, and provides rotational force to the plurality of directing plates 406E in accordance with the retreat movement. The plurality of directing plates 406E are directed in a designated direction by the rotational force. The specific configuration of each of the sound output unit is disclosed in Korean Patent Publication No. 10-2009-0019172, so a detailed description thereof will be omitted.

Hereinafter, a vehicle navigation method according to a second embodiment of the present invention will be described with reference to FIGS. 5 and 8.

8 is a flowchart illustrating a vehicle navigation method according to a second embodiment of the present invention.

First, the control unit 407 determines whether the phone call is connected through the communication unit 408 (S21).

The controller 407 controls the volume of the first sound output unit 406-1 to a first preset value (eg, 40 dB or less) when the phone call is connected (S22). That is, the controller 407 lowers the volume of the first sound output unit 406-1 when the phone call is connected to prevent transmission of a phone call to a vehicle occupant (except a driver).

The controller 407 controls the volume of the second sound output unit 406-1 to a second preset value (eg, 60 dB or more) when the phone call is connected (S23). That is, the controller 407 increases the volume of the second sound output unit 406-2 when the phone call is connected, so that the multimedia audio signal or the radio signal preset by the user regardless of the driver's phone conversation. You can concentrate on listening.

The controller 407 controls the sound direction of the second sound output unit 406-2 from the first direction to the second direction when the phone call is connected (S24). Here, the control unit 407 outputs the audio signal corresponding to the telephone call through the first sound output unit 406-1 at a low volume when the telephone call is connected, and outputs the audio signal corresponding to the telephone call. By outputting the excluded audio signal (for example, an audio signal or a radio signal output through a multimedia player) through the second sound output unit 406-2, the driver can make a phone call through an internal microphone. .

On the other hand, when the wireless earphone or wired earphone 409 is connected to the communication unit 408 when the telephone call connection state is in the phone call connection state, the audio corresponding to the telephone call through the wireless earphone or wired earphone 409. The signal is output (S25). Here, the controller 407 may output the audio signal or the radio signal output through the multimedia player even when the wireless earphone or the wired earphone 409 is connected to the communication unit 408 when the phone call is connected. Output via (406-2).

Thereafter, the controller 407 determines whether the telephone call is terminated (S26). The controller 407 controls the volume of the first sound output unit 406-1 and the second sound output units 406-1 and 406-2 to a previous value when the phone call is terminated (S27). . For example, the control unit 407 assumes that the volume of the first and second sound output units 406-1 and 406-2 was 50db when the phone call was connected before the call. When the volume of the first and second sound output units 406-1 and 406-2 is controlled to 50db.

In addition, the controller 407 controls the sound direction of the second sound output unit 406-2 from the second direction to the first direction when the phone call is terminated (S28). That is, the controller 407 initializes the acoustic direction of the second sound output unit 406-2 to the state before the telephone call connection when the telephone call is terminated.

As described above in detail, the vehicle navigation method and apparatus thereof according to the embodiments of the present invention perform a phone call connection, and when the phone call is connected, the first sound output unit and the second sound output unit of the vehicle. By controlling differently, it is possible to protect the privacy of the user by protecting the telephone conversation of the vehicle driver.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

1 is a block diagram showing the configuration of a mobile communication terminal according to an embodiment of the present invention.

2 is a diagram illustrating a proximity touch process for explaining a data display method according to example embodiments.

3 is a block diagram illustrating a vehicle navigation system for explaining a telematics terminal to which a vehicle navigation apparatus according to an exemplary embodiment of the present invention is applied.

4 is a block diagram illustrating a configuration of a telematics terminal to which a vehicle navigation apparatus according to embodiments of the present invention is applied.

5 is a block diagram illustrating a configuration of a vehicle navigation apparatus according to embodiments of the present invention.

6 is a flowchart illustrating a vehicle navigation method according to a first embodiment of the present invention.

7 is a diagram showing the configuration of the sound output unit according to the first embodiment of the present invention.

8 is a flowchart illustrating a vehicle navigation method according to a second embodiment of the present invention.

* Explanation of symbols on the main parts of the drawings

401: GPS module 402: DR sensor

403: map matching unit 404: storage unit

405: display unit 406: sound output unit

407: control unit 408: communication unit

409: earphone

Claims (22)

A communication unit for performing a telephone call connection; And a control unit connected to the first sound output unit and the second sound output unit of the vehicle through an interface, and controlling the first sound output unit and the second sound output unit differently when the phone call is connected. Vehicle navigation device. The method of claim 1, wherein the control unit, And turning off the first sound output unit when the telephone call is connected, and controlling the sound direction of the second sound output unit from the first direction to the second direction. The method of claim 1, wherein the control unit, And turning on the first sound output unit when the phone call is terminated. The method of claim 2, wherein the control unit, And controlling a sound direction of the second sound output unit from the second direction to the first direction when the phone call is terminated. The method of claim 1, wherein the first sound output unit, Vehicle navigation apparatus, characterized in that located in the direction of the driver's seat of the vehicle. The method of claim 1, wherein the second sound output unit, And a vehicle navigation apparatus positioned in a passenger seat direction of the vehicle and a rear seat direction of the vehicle. The method of claim 2, wherein the control unit, And controlling the sound direction of the second sound output unit diagonally behind the driver's seat when the phone call is connected. The method of claim 1, wherein the control unit, And controlling the speaker balance of the first sound output unit and the second sound output unit when the phone call is connected. The method of claim 1, wherein the control unit, And the speaker volume of the first sound output unit is controlled differently from the speaker volume of the second sound output unit when the phone call is connected. The method of claim 1, wherein the control unit, When the telephone call is connected, setting the speaker volume of the first sound output unit to be lower than the speaker volume of the second sound output unit, and controlling the sound direction of the second sound output unit from the first direction to the second direction. A vehicle navigation device characterized by the above-mentioned. The vehicle navigation apparatus of claim 10, wherein the first sound output unit is located in a driver's seat direction of the vehicle, and the second sound output unit is located in a passenger seat direction of the vehicle and a rear seat direction of the vehicle. Performing a telephone call connection; And controlling the first sound output unit and the second sound output unit of the vehicle connected through the interface differently when the phone call is connected. The method of claim 12, wherein the controlling of the first sound output unit and the second sound output unit differently, And turning off the first sound output unit when the telephone call is connected, and controlling a sound direction of the second sound output unit from a first direction to a second direction. 13. The vehicle navigation method of claim 12, further comprising turning on the first sound output unit when the phone call is terminated. The vehicle navigation method of claim 13, further comprising controlling a sound direction of the second sound output unit from the second direction to the first direction when the phone call is terminated. The vehicle navigation method of claim 12, wherein the first sound output unit is positioned in a direction of a driver's seat of the vehicle. The vehicle navigation method of claim 12, wherein the second sound output unit is positioned in a passenger seat direction of the vehicle and a rear seat direction of the vehicle. The method of claim 13, wherein the controlling of the sound direction of the second sound output unit comprises: And controlling a sound direction of the second sound output unit diagonally behind the driver's seat when the phone call is connected. The method of claim 12, wherein the controlling of the first sound output unit and the second sound output unit differently, And controlling the speaker balance of the first sound output unit and the second sound output unit when the phone call is connected. The method of claim 12, wherein the controlling of the first sound output unit and the second sound output unit differently, And controlling the speaker volume of the first sound output unit differently from the speaker volume of the second sound output unit when the phone call is connected. The method of claim 12, wherein the controlling of the first sound output unit and the second sound output unit differently, Setting the speaker volume of the first sound output unit to be lower than the speaker volume of the second sound output unit when the phone call is connected, and controlling the sound direction of the second sound output unit from the first direction to the second direction; Vehicle navigation method comprising a. The vehicle navigation method of claim 21, wherein the first sound output unit is located in a driver's seat direction of the vehicle, and the second sound output unit is located in a passenger seat direction of the vehicle and a rear seat direction of the vehicle.

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