KR20110044012A - Apparatus and method for providing navigation service using video call terminals - Google Patents

Abstract

PURPOSE: A road guide method using a video call terminal is provided to receive a direction from the other party and to supply the location information of a user to a video call terminal according to the demand of a user. CONSTITUTION: A first video call terminal(10) receives a road guide acceptance signal from a second video call terminal(20). The first video call terminal transmits the location value of the first video call terminal to the second video call terminal. The second video call terminal transmits touch input information or map image information to the first video call terminal. The first video call terminal displays information.

Description

A road guidance device and method using a video call terminal {APPARATUS AND METHOD FOR PROVIDING NAVIGATION SERVICE USING VIDEO CALL TERMINALS}

The present invention relates to a video call technology, and more particularly, to a video call terminal capable of sharing a current location and receiving a road guide service during a video call, and a road guide apparatus and method using the same.

Recent communication terminals have a function of transmitting and receiving information at high speed in addition to a unique voice call function. As high-speed information communication becomes a reality, video call technology through a communication terminal is attracting attention. In the existing wired / wireless communication network, the consideration of the video call related function is insufficient due to the information transmission speed and the compatibility problem with the actual network. However, as information transmission technology is gradually developed to Wideband Code Division Multiple Access (WCDMA), High-Speed Downlink Packet Access (HSDPA), and the like, video call terminals are gradually reaching commercialization.

However, since the video call technology of the video call terminal is in the early stage of commercialization, only the voice call is performed while watching the video of the other party through the screen.

Accordingly, an aspect of the present invention is to provide an apparatus and a method for receiving direction guidance from a counterpart by transmitting its location information to a counterpart during a video call.

Accordingly, the present invention provides a method of requesting a first video call terminal requesting directions to a second video call terminal through a video call; Transmitting, by the first video call terminal, receiving a road guidance acceptance signal from the second video call terminal, and transmitting a position value of the first video call terminal to the second video call terminal; A counterpart location display step of displaying, by the second video call terminal, a map on which a point corresponding to the location value is displayed; Receiving, by the second video call terminal, a touch input associated with a path from a location of a first video call terminal corresponding to the position value to a destination; The second video call terminal transmits at least one of the received touch input information, route information corresponding to the received touch input information, and map image information on which the received touch input information is displayed to the first video call terminal. Transmitting; It provides a road guidance method using a video call terminal comprising the step of displaying the at least one information received by the first video call terminal.

According to the present invention, the first video call terminal includes a first control unit, a first GPS receiver, a first camera unit, and a first display unit, and the second video call terminal includes a second control unit, a second input unit, a second memory unit, And a second camera unit and a second display unit, wherein the first controller receives the road guidance acceptance signal by requesting the second video call terminal for road guidance through a video call, and is calculated through the first GPS receiver. And transmits a position value of the first video call terminal to the second video call terminal, and displays at least one piece of information received from the second video call terminal on the first display unit. A point corresponding to the location value is displayed on a predetermined map image, and a touch input related to a path from a point corresponding to the location value to a destination is received through the second input unit, and the received touch is received. A video call terminal for controlling to transmit the at least one information to the first video call terminal, the at least one information including output information, route information corresponding to the received touch input information, and map image information on which the received touch input information is displayed. It provides a road guidance device using.

The present invention also provides a video call terminal including a wireless communication unit, a display unit, a GPS receiver, an input unit, and a control unit. The wireless communication unit performs a video call with the video call terminal of the other party. The display unit displays an image of the other party in the video call. The GPS receiver calculates its own position value by receiving a plurality of GPS satellite signals. The input unit receives a road guidance request signal during the video call. The controller transmits the input road guidance request signal to the video call terminal of the other party through the video call protocol, and the road guide acceptance signal for the transmitted road guide request signal of the other party through the video call. Upon receiving from the video call terminal, the position value is transmitted to the video call terminal of the other party through the video call.

The present invention also provides a video call terminal including a wireless communication unit, a display unit, a touch input unit, a GPS receiver, and a controller. The wireless communication unit performs a video call with a video call terminal of the other party and transmits at least one of video information, voice information, map image information, and route information using a video call protocol. The display unit may display an image and a map of the other party and visually display a user's touch input during the video call. The control unit accepts a route guidance request received from the video call terminal of the other party during the video call, controls to display a map showing the location of the video call terminal of the other party instead of the video of the other party, and visually displays the user's touch input. Can be displayed as In addition, it is possible to control to generate route information using the visually displayed touch input or to synthesize the visually displayed touch input on the map image. The touch input unit may generate a touch input signal related to the road guidance on the displayed map and transmit the signal to the controller.

According to the present invention, by providing his / her location information to the video call terminal of the other party during the video call, the other party can receive directions. In particular, since the other party guides the road while confirming the location of the user requesting the road guide through the map, the person requesting the road guide can receive the detailed road guidance compared to the map provided by the video call terminal. In addition, since their location information is provided to the video call terminal of the other party according to the request of the user requesting the directions, it may be free from problems such as personal privacy infringement.

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

As illustrated in FIGS. 1 to 3, the video call system 100 according to an exemplary embodiment of the present invention may include first and second video call terminals 10 and 20 and first and second calls for video calls. A plurality of mobile communication service provider servers 30, which connect the video call terminals 10 and 20 to each other via a wired / wireless communication network, and a GPS (Global Positioning System) satellite signal required for calculating a position value to the first video call terminal 10. GPS satellites 40 are configured.

A user of the first video call terminal 10 (hereinafter referred to as a “first user”) guides a user to a user of the second video call terminal 20 (hereinafter referred to as a “second user”) through a video call. Ask. The second video call terminal 20 accepts the directions guidance request received from the first video call terminal 10, displays the road guidance touch input by the second user on a map displayed on the second video call terminal, and then performs video communication. The protocol is also transmitted to the first video call terminal to be displayed on the map.

Meanwhile, in the present embodiment, a video call is performed between the first and second video call terminals 10 and 20, but more than one generation of video call terminals via the mobile communication service provider server 30 are used for multi-party video calls. May be connected. In this case, the user may receive the road guidance information from the video call terminals of the other party and display it on the map.

The first and second video call terminals 10 and 20 according to the present embodiment may be applied to a communication terminal including the wireless communication units 12 and 22 for video calls. Such communication terminals include video telephones, mobile phones, smart phones, international mobile telecommunication 2000 (IMT-2000) terminals, WCDMA terminals, universal mobile telecommunication service (UMTS) terminals, personal digital assistants (PDAs), and portable multimedia (PMP). Players), mobile broadcast receivers such as DMB (Digital Multimedia Broadcasting), personal computers, desktop computers, notebooks, and the like. In the present embodiment, a mobile phone is illustrated as the first and second video call terminals 10 and 20.

The mobile communication service provider server 30 relays video calls between the first and second video call terminals 10 and 20. In particular, when the mobile communication service provider server 30 receives a location value from the first video call terminal 10, the mobile communication service provider server 30 transmits a map displaying the received location value to the second video call terminal 20 instead of the image of the first user. The mobile communication service provider server 30 may relay the location value to the second video call terminal, and the second video call terminal may read and display a map displaying the received location value from the storage device.

The first video call terminal 10 according to the present embodiment will be described with reference to FIGS. 1 and 2 as follows. The first video call terminal 10 includes a first control unit 11, a first wireless communication unit 12, a first input unit 13, a first memory unit 14, a first camera unit 15, and a first voice. And a processing unit 16, a first display unit 17, and a first GPS receiver 18.

The first control unit 11 is a microprocessor that performs the overall control operation of the first video call terminal 10. The first controller 11 controls the provision of the road guidance service during the video call with the second video call terminal 20. The information is provided to the first display unit 17 so that the map image on which the road guidance is displayed can be displayed by analyzing at least one video information, audio information, map image information, and route information transmitted from the second video communication terminal 20. Alternatively, the first voice processor 16 may provide information to the first voice processor 16 to output the voice information.

The first wireless communication unit 12 communicates with the second video call terminal 20. The first wireless communication unit 12 transmits and receives video call information for performing a video call. That is, the first wireless communication unit 12 transmits video call information of the first user and receives video call information of the second user. In this case, the video call information may include at least one of video information, voice information, map image information, and route information of first and second users who are callers.

The first input unit 13 provides at least one or more of a plurality of keys, a touch screen, and a touch pad for operating the first video call terminal 10, and generates a signal according to a user's key selection or touch to generate a first signal. Transfer to the control unit 11. In particular, the road guidance touch input of the first user input through the touch screen may be transmitted to the first controller 11 and displayed on the first display unit 17.

The first memory unit 14 may store a program necessary for controlling the operation of the first video call terminal 10, information generated during program execution, and information generated after program execution. In particular, the first memory unit 14 includes an execution program for providing a road guidance service during a video call, map information generated during execution of the program, image information, route information, map information generated after program execution, and route information. At least one of the mapped map image and the route information may be stored in the form of a still image, a GIF image, a flash image, and video data.

 The first memory unit 14 stores an execution program for providing a road guidance service during a video call.

The first call information acquisition unit 15, 16 obtains the video call information of the first user. That is, the first video call information acquisition unit 15, 16 includes a first camera unit 15 for acquiring image information of the first user and a first audio processor 16 for acquiring voice information of the first user. It is configured by.

The first camera unit 15 obtains image information of the first user for transmission through the first wireless communication unit 12. That is, the first camera unit 15 acquires image information by capturing an image of the first user according to the acceptance of the video call through the first input unit 13. The first camera unit 15 includes an image sensor, a signal processor, and an image processor. The image sensor converts an optical signal of a first user, which is a subject, into an analog signal. The signal processor converts an analog signal into a digital signal. The image processing unit obtains image information by processing the image signal input through the signal processing unit, and outputs the acquired image information through the first wireless communication unit 12 or the first display unit 17 or the first memory unit 14. ). In addition, under the control of the first control unit 11, the signal processing unit and the image processing unit process at least one or more of the other party's image information, map image, other party's touch input information, and route information input through the first wireless communication unit 12. Output through the first display unit 17 or store in the first memory unit 14.

The first voice processor 16 obtains voice information by deserializing the voice of the first user input through the microphone MIC under the control of the first controller 11, and receives the voice information through the first wireless communication unit 12. The demodulated voice information of the second user is output through the speaker SPK.

The first display unit 17 displays image information transmitted and received in a video call in real time. In particular, as illustrated in FIG. 5, the first display unit 17 displays the image 81a of the second user and the image 83a of the first user. When the road guidance service is provided during the video call, the first display unit 17 displays a map in which the location of the first user is displayed instead of the image 81a of the second user shown in FIG. 5. And receiving at least one of a route guidance touch input of the other party, an image including the route guidance touch input information of the other party, and route information related to the route guidance touch input information of the other party through the first wireless communication unit 12 and displaying it on the map. Or display instead of a map. In this case, a touch screen implemented by a liquid crystal display (LCD) or the like may be used as the first display unit 17. The touch screen simultaneously serves as a display device and an input device.

When the road guidance service is executed under the control of the first control unit 11, the first GPS receiver 18 receives satellite signals from the plurality of GPS satellites 40 to determine the position value of the first video call terminal 10. To calculate. At this time, in order to calculate the position value of the first video call terminal 10, the first GPS receiver 18 receives satellite signals from at least three or more GPS satellites 40.

In particular, the first control unit 11 requests the second video call terminal 20 to provide directions according to an input signal through the first input unit 13 during the video call. For example, the way guidance request may be performed by selecting the menu icon 19a displayed on the screen of the first display unit 17. That is, when the menu icon 19a is selected according to the input signal through the first input unit 13 of the first user, a plurality of items included in the menu icon 19a are displayed. When the "direction guidance request item" is selected among the displayed items, the first controller 11 requests the second video call terminal 20 for guidance. In this case, the first control unit 11 may transmit a route guidance request message to the second video call terminal 20.

When the road guidance acceptance signal for the road guidance request is received from the second video call terminal 20 through the first wireless communication unit 12, the first control unit 11 receives the position value of the first video call terminal 10. The first wireless communication unit 12 transmits to the second video call terminal 20.

In addition, when the first control unit 11 receives the road guidance acceptance signal, the first control unit 11 displays a map on which its location is displayed instead of the image 81a of the second user. That is, when the first controller 11 receives the road guidance acceptance signal, the first controller 11 receives satellite signals from the plurality of GPS satellites 40 through the first GPS receiver 18 to calculate a position value. Subsequently, the first control unit 11 displays the map on which the calculated position value is displayed on the first display unit 17. The map may be an area in which the image 81a of the second user is displayed.

And from the second video call terminal 20, the road guidance information (voice information, a map image including the road guidance touch input by the second user, the road guidance touch input by the second user, the road guidance by the second user) When at least one of the route information corresponding to the touch input) is received through the first wireless communication unit 12, the first control unit 11 receives the received road guidance information from the first voice processing unit 16 or the first display unit 17. Can be output through

The reason why the satellite signal can be received through the first GPS receiver 18 while performing a video call is that the first GPS receiver 18 is different from the antenna of the first wireless communication unit 12 that performs the video call. This is because it is possible to receive a satellite signal using a separate antenna, and the first GPS receiver 18 can operate simultaneously with the first wireless communication unit 12.

Meanwhile, in the present exemplary embodiment, the first video call terminal 10 transmits its own location value to the second video call terminal 10 when receiving the road guide acceptance signal, but is not limited thereto. For example, the first video call terminal 10 transmits its own location value to the mobile service provider server 30 and provides the second mobile terminal with map information that can display the location value as the location value. It may be transmitted to the video call terminal 20. Alternatively, the first video call terminal 10 may transmit a map on which its location value is displayed to the second video call terminal 20.

The second video call terminal 20 according to the present embodiment will be described with reference to FIGS. 1 and 3 as follows. The second video call terminal 20 includes a second control unit 21, a second wireless communication unit 22, a second input unit 23, a second memory unit 24, a second camera unit 25, and a second voice. It includes a processing unit 26 and a second display unit 27. Meanwhile, although the second video call terminal 20 discloses an example in which the GPS receiver is not included, the second video call terminal 20 may further include a GPS receiver.

The second control unit 21 is a microprocessor that performs overall control operations of the second video call terminal 20. The second controller 21 controls the provision of the road guidance service during the video call with the second video call terminal 20.

The second wireless communication unit 22 performs communication with the first video call terminal 10. In particular, the second wireless communication unit 22 transmits and receives video call information for performing a video call. That is, the second wireless communication unit 22 transmits video call information of the second user and receives video call information of the first user.

The second input unit 23 provides at least one or more of a plurality of keys, a touch screen, and a touch pad for operating the second video call terminal 20, and generates a signal according to a user's key selection or touch to generate a second key. Transfer to the control unit 21. In particular, the road guidance touch input of the second user input through the touch screen is transmitted to the second control unit, displayed on the second display unit 27, and transmitted in various forms through the second wireless communication unit 22. In addition, the input signal of the second user generated through the second input unit 23 includes the acceptance of the route guidance request during the video call with the first video call terminal 10. The second input unit 23 may be a keypad, a pointing device such as a touch pad, or an input device such as a touch screen.

The second memory unit 24 may store a program necessary for controlling the operation of the second video call terminal 20, information generated during program execution, and information generated after program execution. In particular, the second memory unit 24 includes an execution program for providing a road guidance service during a video call, map information generated during the execution of the program, image information, route information, map information generated after the program execution, and route information. At least one of the map image and the route information may be stored in the form of a still image, a GIF image, or a flash image.

The second call information acquisition units 25 and 26 obtain video call information of the second user. That is, the second video call information acquisition units 25 and 26 include a second camera unit 25 for acquiring image information of the second user and a second audio processor 26 for acquiring voice information of the second user. It is configured by.

The second camera unit 25 obtains image information of the second user for transmission through the second wireless communication unit 22. That is, the second camera unit 25 acquires image information by capturing an image of the second user according to the acceptance of the video call through the second input unit 23. The second camera unit 25 includes an image sensor, a signal processor, and an image processor. The image sensor converts an optical signal of a second user, which is a subject, into an analog signal. The signal processor converts an analog signal into a digital signal. The image processing unit obtains image information by processing the image signal input through the signal processing unit, and outputs the obtained image information through the second wireless communication unit 22 or the second display unit 27 or the second memory unit 24. ). In addition, under the control of the second controller 21, the signal processor and the image processor may visually display image information of the first user input through the second wireless communication unit 22 and touch input information input by the second user. It may be processed so as to be output through the second display unit 27 or stored in the second memory unit 24.

The second voice processor 26 obtains voice information by deserializing the voice of the second user input through the microphone MIC under the control of the second controller 21, and receives the voice information through the second wireless communication unit 22. The demodulated first voice information of the first user is output through the speaker SPK.

The second display unit 27 displays image information transmitted and received in a video call in real time. In particular, the second display unit 27 displays the image 83b of the first user and the image 81b of the second user in a video call. In particular, when a road guidance service is provided during a video call, the second display unit 27 displays a map on which the location of the first user is displayed instead of the image 83b of the first user. And displays at least one of a route guidance touch input of a second user, an image including the route guidance touch input information of the second user, and route information related to the route guidance touch input information of the second user on the map or in place of the map. . In this case, as the second display unit 27, a touch screen implemented by a liquid crystal display (LCD) or the like may be used. The touch screen simultaneously serves as a display device and an input device.

In particular, the second control unit 21 accepts the directions request of the first video call terminal 10 during the video call, and displays a map showing the location of the first video call terminal 10 instead of the image 83b of the first user. Display. That is, the second control unit 21 receives the position value from the first video call terminal 10 and displays it on the map. In this case, the map may be a map stored in the second memory unit 24 or a map received from the mobile communication service provider server 30.

In this case, when the road guide request message is received from the first video call terminal 10, the second controller 21 displays the road guide request message on the second display unit 27. The second controller 21 may display the road guidance request message in a partial region of the image 83b of the first user.

Acceptance of the road guide may be performed by selecting a menu icon 29a displayed on the screen of the second display unit 27. That is, when the menu icon 29a is selected according to the input signal through the second input unit 24 of the second user, the second controller 21 displays a plurality of items included in the menu icon 29a. When the "direction guidance acceptance item" is selected among the displayed items, the second controller 21 transmits the directions guidance acceptance signal to the first video call terminal 10.

Meanwhile, in the present exemplary embodiment, an example in which the second video call terminal 20 receives a position value from the first video call terminal 10 is disclosed, but is not limited thereto. For example, the first video call terminal 10 transmits its own location value to the mobile service provider server 30 and provides the second mobile terminal with map information that can display the location value as the location value. It may be transmitted to the video call terminal 20. Alternatively, the second video call terminal 20 may receive a map in which the location of the first video call terminal 10 is displayed from the first video call terminal 10.

The second video call terminal 20 may receive a road guidance voice from a second user and transmit the received road guidance voice to the first video call terminal 10 through the second wireless communication unit 22.

Therefore, the first user of the first video call terminal 10 according to the present embodiment may provide his location information to the second video call terminal 20 to receive a guide from the second user. Since the second user guides the way by visually displaying the route on the map in real time through touch input or key input while checking the position of the first video call terminal 10 through the map, the first user can easily guide the way. Can be received. You can save the map image where the route was displayed in the form of a still image, GIF image, or flash image so you can check the route even after the video call. In addition, since the location information of the user is provided to the second video call terminal 20 according to the request of the first user, the user can be free from problems such as invasion of personal privacy.

Way guidance using video call terminal

A road guidance method using a video call terminal according to an embodiment of the present invention will be described with reference to FIGS. 1 to 8. 4 is a flowchart illustrating a road guidance method according to the present embodiment. 5 to 8 are diagrams illustrating screens according to the road guidance method according to the present embodiment.

When the video call is performed between the first video call terminal 10 and the second video call terminal 20 by the relay of the mobile communication service provider server 30 in step S51, as shown in FIG. 5, step S53 and In operation S55, the first and second video call terminals 10 and 20 display the other's images 81a and 83b and their own images 81b and 83a as shown in FIG. 5 or 6. In this case, the first and second display units 17 and 27 display the images 81a and 83b of the other party relatively larger than their own images 81b and 83a, and select menu icons 19a and 29a to select a menu. Substitute image icons 19b and 29b transmitting the substitute image may be displayed.

Next, in step S57, the first user requests directions to the second user through a video call. As illustrated in FIG. 6, the way guidance request may be performed by selecting a menu icon 19a displayed on the screen of the first display unit 17. That is, when the menu icon 19a is selected according to the selection signal through the first input unit 13 of the first user, the first controller 11 displays a plurality of items included in the menu icon 19a. When the "direction guidance request item" is selected among the displayed items, the first controller 11 requests the second video call terminal 20 for guidance. In this case, the first control unit 11 may transmit a route guidance request message to the second video call terminal 20.

In operation S59, the second video call terminal 20 displays the received road guidance request message. In this case, when the road guidance request message is received, as illustrated in FIG. 6, the second controller 21 displays the road guidance request message 85 on the second display unit 27. The second controller 21 may display the road guidance request message 85 on a partial region of the image 83b of the first user.

Next, in step S61, the second video call terminal 20 transmits a road guide acceptance signal to the first video call terminal 10 through the video call. As shown in FIG. 6, the acceptance of the road guidance may be performed by selecting the menu icon 29a displayed on the screen of the second display unit 27. That is, when the menu icon 29a is selected according to the selection signal through the second input unit 23 of the second user, the second controller 21 displays a plurality of items included in the menu icon 29a. When the "direction guidance acceptance item" is selected among the displayed items, the second controller 21 transmits the directions guidance acceptance signal to the first video call terminal 10.

Next, the first control unit 11 that receives the road guide acceptance signal in step S63 receives satellite signals from the plurality of GPS satellites 40 through the first GPS receiver 18 to calculate a position value. Subsequently, in step S65, the first control unit 11 displays the map 87a on which the calculated position value is displayed on a partial region of the first display unit 17, as shown in FIG. 7. In this case, an area where the map 87a is displayed may be an area where an image of the second user (81a of FIG. 6) is displayed. In FIG. 7, "P" indicates the location of the first user displayed on the maps 87a and 87b.

Next, in step S67, the first video call terminal 10 transmits the calculated position value to the second video call terminal 20 through the video call. Although not shown in the drawing, the first video call terminal 10 transmits the calculated position value to the mobile communication service provider server 30 in step S67, and the mobile communication service provider server 30 maps information corresponding to the location value. Is transmitted to the second video call terminal 20 as a position value. In operation S69, as illustrated in FIG. 7, the second video call terminal 20 displays a map 87b on which the received location value is displayed on a portion of the second display unit 27. In this case, the second video call terminal 20 displays the map 87b instead of the image of the first user (83b of FIG. 6).

On the other hand, when the first video call terminal 10 and the second video call terminal 20 use the same map information, the position value of the first video call terminal 10 (for example, a point on the map corresponding to the position value). ) Maps 87a and 87b have the same shape. However, when the position value of the first video call terminal 10 is the same but the first video call terminal 10 and the second video call terminal 20 use different map information, the first video call terminal 10 The maps 87a and 87b in which the location values are displayed may have different shapes.

In operation S71, a user input regarding a road guidance is received from the input unit 23 of the second video call terminal 20 and displayed on the second display unit 27 (89b). If the user input is a voice, it is not displayed.

Next, in step S73, the second video call terminal 20 transmits the road guide information received from the user to the first video call terminal 10 through the second wireless communication unit 22. The road guidance information includes at least one of voice information, a road guidance touch input by a second user, a map image including a road guidance touch input by a second user, and route information corresponding to the road guidance touch input by a second user. Can be. The route information corresponding to the way guidance touch input may be obtained by analyzing the way guidance touch input by the second video communication terminal 20 or the mobile communication service provider server 30 and converting it into a predetermined data form. Can be sent to.

In operation S75, the first video call terminal 10 may output the road guide information received from the second video call terminal 20 through the first display unit or the first voice processing unit 26. If the received road guide information is information about a road guide touch input by a second user, the received road guide touch input is displayed at the same location as the position on the map displayed in the second video call terminal (89b) ( 89a). If the received road guidance information is a map image including a road guidance touch input by a second user, the map image including the received road guidance touch input is displayed instead of the map image 87a displayed on the first video call terminal. . If the received road guide information is route information corresponding to the road guide touch input by the second user, the received route information is analyzed and displayed corresponding to the map image of the first video call terminal. When displaying the map image corresponding to the map image of the first video call terminal, the stored specific image may move and display route information.

In operation S77, the first video call terminal may store the road guide information and the map image displayed on the first display unit 17 together. In particular, when storing the road guide information, it may be stored in at least one of a still image, a GIF image, a flash image, and video data.

On the other hand, the embodiments of the present invention disclosed in the specification and drawings are merely presented specific examples to aid understanding, and are not intended to limit the scope of the present invention. In addition to the embodiments disclosed herein, it is apparent to those skilled in the art that other modifications based on the technical idea of the present invention may be implemented.

1 is a diagram illustrating a video call system according to an exemplary embodiment of the present invention.

FIG. 2 is a block diagram illustrating a configuration of the first video call terminal of FIG. 1.

3 is a block diagram illustrating a configuration of a second video call terminal of FIG. 1.

4 is a flowchart illustrating a road guidance method using a video call terminal according to an embodiment of the present invention.

5 to 8 are diagrams illustrating screens according to the road guidance method of FIG. 4.

Claims (18)

In the road guidance method using a video call terminal, Requesting, by the first video call terminal, requesting directions to the second video call terminal through a video call; Transmitting, by the first video call terminal, receiving a road guidance acceptance signal from the second video call terminal, and transmitting a position value of the first video call terminal to the second video call terminal; A counterpart location display step of displaying, by the second video call terminal, a map on which a point corresponding to the location value is displayed; Receiving, by the second video call terminal, a touch input associated with a path from a location of a first video call terminal corresponding to the position value to a destination; The second video call terminal transmits at least one of the received touch input information, route information corresponding to the received touch input information, and map image information on which the received touch input information is displayed to the first video call terminal. Transmitting; And displaying the at least one piece of information received by the first video call terminal. The method of claim 1, wherein the requesting process comprises: An image display process of displaying an image of the other party on the first and second video call terminals; A request message transmitting step of transmitting, by the first video call terminal, a road guide request message to the second video call terminal when a road guide request signal is input; And a request message displaying step of displaying a road guidance request message received by the second video call terminal. 3. The method of claim 2, Calculating a position value by receiving, by the first video call terminal, satellite signals from a plurality of GPS satellites when the road guidance acceptance signal is received; A display process of displaying, by the first video call terminal, a point corresponding to the calculated position value on a predetermined map image; And a self position display process of the first video call terminal displaying a map image in which a point corresponding to the calculated position value is displayed instead of the image of the counterpart. The method of claim 2, wherein the counterpart location display process comprises: And wherein the second video call terminal displays a map image in which a point corresponding to the position value of the first video call terminal received from the first video call terminal is displayed instead of the video of the other party. How to get directions. The method of claim 1, The route information corresponding to the received touch input information is route information generated based on the touch input information received from the user of the second video call terminal and the displayed map information. . The method of claim 1, The map image information on which the received touch input information is displayed is information on a map image including a visual display corresponding to the touch input information received from the user of the second video call terminal. Guide way. The method of claim 1, wherein the transmission to the first video call terminal is performed by: And the second video call terminal transmits the at least one piece of information to the first video call terminal in real time according to a video communication protocol so that the first video call terminal displays the at least one piece of information. Way guidance using the terminal. The method of claim 7, wherein When the at least one piece of information is path information corresponding to the received touch input information, the first video call terminal moves a specific image to correspond to path information corresponding to touch input information of the second video call user. Way guidance method using a video call terminal, characterized in that the display. The method according to claim 1 or 3, The first video call terminal reflects the received at least one piece of information on an image of a map on which a point corresponding to the calculated position value is displayed, and stores the received at least one of an image file, a GIF file, and a flash image file. Way guidance method using a video call terminal, characterized in that it further comprises a process. In the road guidance device using a video call terminal, The first video call terminal includes a first control unit, a first GPS receiver, a first camera unit, a first display unit, and a second memory unit, The second video call terminal includes a second control unit, a second input unit, a second camera unit, and a second display unit, The first controller requests a road guidance through a video call to the second video call terminal to receive a road guide acceptance signal, and calculates a position value of the first video call terminal calculated through the first GPS receiver. Transmitting to a video call terminal, and displaying at least one piece of information received from the second video call terminal on the first display unit; The second control unit displays a point corresponding to the location value on a predetermined map image, receives a touch input related to a path from a point corresponding to the location value to a destination through the second input unit, and receives the received And transmit the at least one information including touch input information, route information corresponding to the received touch input information, and map image information on which the received touch input information is transmitted to the first video call terminal. A road guidance device using a video call terminal. The method of claim 10, The first control unit displays a user image of the second video call terminal through the second camera unit on the first display unit, and transmits a road guide request message to the second video call terminal when the way guidance request is requested. Control, The second controller controls the display unit to display the user image of the first video call terminal and the received route guidance request message through the first camera unit on the second display unit. . The method of claim 11, wherein the first control unit, When the road guide acceptance signal is received from the second video call terminal, the position value of the first video call terminal is calculated, and a predetermined map displaying a point corresponding to the calculated position value is displayed on the second video call. And display the first display unit instead of the user image of the terminal. The method of claim 11, wherein the second control unit, And a map image on which the point corresponding to the position value of the first video call terminal is displayed, instead of the user image of the first video call terminal, to display the map image on the second display unit. The method of claim 10, The route information corresponding to the received touch input information is route information generated based on the touch input information received from the user of the second video call terminal and the displayed map information. . The method of claim 10, The map image information on which the received touch input information is displayed is information on a map image including a visual display corresponding to the touch input information received from the user of the second video call terminal. Guide device. The method of claim 10, wherein the second control unit, And transmitting the at least one piece of information to a first video call terminal in real time according to a video communication protocol. The method of claim 10, wherein the first control unit, If the at least one piece of information is path information corresponding to the received touch input information, controlling to move and display a specific image corresponding to path information corresponding to touch input information of the second video call user. A road guidance device using a video call terminal. The method of claim 10 or 12, wherein the first control unit, Reflecting the at least one piece of information on an image of a map on which a point corresponding to the calculated position value is displayed and controlling to store at least one of an image file, a GIF file, and a flash image file in the first memory unit. A road guidance device using a video call terminal.

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