KR20130142764A - Terminal apparatus, server, communication system and method thereof - Google Patents

Abstract

A terminal apparatus is disclosed. The terminal apparatus comprises a communication unit for receiving a location information request with other terminal apparatuses from a server; an input unit receiving a user command; and a control unit generating first information for the approval of the location information request according to the user command inputted by the input unit and transmitting the first information to a server.

Description

Terminal device, server, communication system and control method thereof {TERMINAL APPARATUS, SERVER, COMMUNICATION SYSTEM AND METHOD THEREOF}

The present invention relates to a terminal device, a server, a communication system, and a control method thereof, and more particularly, to a terminal device sharing location information, a server connecting the terminal device, a communication system including a plurality of terminal devices and servers, and It relates to a control method of.

Thanks to the development of communication technology, various kinds of terminal devices have been developed. Accordingly, a terminal device providing a video call function as well as a conventional voice call function has been developed, and a call function may be provided using not only a mobile phone but also a terminal device connected to a network such as a TV and a computer. In addition, recently, a system for sharing location information between such terminal devices has been developed.

Recently, with the development of such communication technology, the protection of personal information has emerged as an important problem. In particular, the location information of the user of the terminal device has been proposed to be strictly used as important personal information. Accordingly, when using a location sharing system, a method for efficiently protecting and managing the user's location information is required.

The present invention is in accordance with the above-described needs, and an object of the present invention is to provide a terminal device, a server, a communication system, and a control method thereof in which the protection and management of location information can be efficiently performed.

The server according to an embodiment of the present invention for achieving the above object, the first communication unit for receiving a location information request for the second terminal device from the first terminal device, the received location information request; A second communication unit transmitting to the second terminal device and receiving first information on whether to approve the location information request from the second terminal device, a storage unit storing the received first information, and the second terminal device And receiving the location information, and determining whether to transmit the received location information to the first terminal device based on the stored first information.

Here, when the first information is approval information for the location information request, the controller transmits the received location information to the first terminal device, and the first information is disapproval information for the location information request. In this case, the received location information may not be transmitted to the first terminal device.

The storage unit may store second information on whether the second terminal device is approved for the location sharing request received from the first terminal device, and the controller may be configured to store the first information based on the second information. The location information request received from the terminal device may be transmitted to the second terminal device.

Specifically, when the second information is approval information for the location sharing request, the controller transmits the received location information request to the second terminal device, and the second information is disapproved for the location sharing request. In the case of information, the received location information request may not be transmitted to the second terminal device.

On the other hand, the terminal device communicating with the server according to an embodiment of the present invention, the communication unit for receiving a location information request by the other terminal device from the server, the input unit for receiving a user command and the user command input through the input unit Accordingly, the control unit generates a first information on whether the location information request is approved and transmits the generated information to the server.

Here, when the user command is an approval command for the location information request, the controller transmits the approval information and the location information of the terminal device to the server, and the user command is a disapproval command for the location information request. Disapproval information can be sent to the server.

The controller may transmit the current location information of the terminal device to the server when the current location information of the terminal device obtained according to the movement of the location of the terminal device is different from the location information previously transmitted to the server. .

The controller, upon receiving a location sharing request by the other terminal device from the server, generates second information on whether to approve the location sharing request according to a user command input through the input unit. The location information request may be received based on the second information transmitted to the server.

On the other hand, the communication system according to an embodiment of the present invention, the first terminal device for requesting the location information for the second terminal to the server, and receives the location information request from the first terminal device to the second terminal device; And a second terminal device generating information on whether to approve the location information request and transmitting the generated information to the server according to a server to transmit and a user command for the location information request. Here, the server receives and stores first information on whether to approve the location information request from the second terminal device, and when location information is received from the second terminal device, based on the stored first information. It may be determined whether to transmit the received location information to the first terminal device.

According to an embodiment of the present disclosure, a method of controlling a server may include receiving a location information request for a second terminal device from a first terminal device and transmitting the received location information request to the second terminal device. Receiving first information on whether to approve the request for location information from the second terminal device, storing the received first information, receiving location information from the second terminal device, and storing the received location information. And transmitting the received location information to the first terminal device based on the first information.

The transmitting of the received location information to the first terminal device may include transmitting the received location information to the first terminal device when the first information is approval information for the location information request. If the first information is disapproval information for the location information request, the received location information may not be transmitted to the first terminal device.

The method may further include storing second information on whether the second terminal device approves the location sharing request received from the first terminal device, and transmitting the received location information request to the second terminal. The transmitting to the device may include transmitting the location information request received from the first terminal device to the second terminal device based on the second information.

The transmitting of the received location information request to the second terminal device may include: transmitting the received location information request to the second terminal device when the second information is approval information for the location sharing request; If the second information is disapproval information for the location sharing request, the received location information request may not be transmitted to the second terminal device.

On the other hand, in a control method of a terminal device communicating with a server according to an embodiment of the present invention, receiving a location information request by another terminal device from the server, receiving a user command for the received location information request And generating first information on whether to approve the location information request according to the user command and transmitting the generated information to the server.

Here, the method may further include generating location information of the terminal device. The generating of the first information and transmitting the location information to the server may include approval information and the approval information when the user command is an approval command for the location information request. The location information may be transmitted to the server, and if the user command is a disapproval command for the location information request, disapproval information may be generated and transmitted to the server.

The method may further include transmitting current location information of the terminal device to the server when the current location information of the terminal device obtained according to the movement of the terminal device is different from the location information previously transmitted to the server. Can be.

The method may further include receiving a location sharing request by the other terminal device from the server, receiving a user command for the received location sharing request, and determining whether to approve the location sharing request according to the user command. The method may further include generating 2 information and transmitting the generated information to the server, and the location information request may be received based on the second information transmitted to the server.

In a control method of a communication system according to an exemplary embodiment of the present disclosure, a step of requesting, by a first terminal device, location information of a second terminal to a server, the server requesting the location information received from the first terminal device Transmitting the user command for the location information request to the second terminal device, and whether the second terminal device accepts the location information request according to the user command. Generating and transmitting the information to the server, the server storing information on whether the location information request received from the second terminal device is approved, and the server receiving location information from the second terminal device And transmitting the received location information to the first terminal device based on the information on whether the stored location information request is approved. It includes the steps:

According to various embodiments of the present disclosure as described above, the approval or disapproval information for the location information request of the terminal device may be managed through one server without managing each terminal device, thereby protecting and managing the location information. Can be performed efficiently.

In addition, the amount of information transmitted through the network is also reduced, thereby reducing the network load and traffic costs.

1 is a view for explaining a communication system according to an embodiment of the present invention.
FIG. 2 is a sequence diagram for describing an operation of the communication system illustrated in FIG. 1.
3 is a sequence diagram illustrating a communication system according to another embodiment of the present invention.
4 is a block diagram illustrating a configuration of a terminal device shown in FIG. 1.
FIG. 5 is a block diagram illustrating a detailed configuration of a terminal device shown in FIG. 4.
FIG. 6 is a block diagram illustrating a configuration of the server shown in FIG. 1.
7 is a flowchart illustrating a control method of a terminal device according to an exemplary embodiment.
8 is a flowchart illustrating a control method of a server according to an exemplary embodiment.
9 is a flowchart illustrating a control method of a communication system according to an embodiment of the present invention.

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

1 is a view for explaining a communication system according to an embodiment of the present invention. As shown in FIG. 1, the communication system includes a first terminal device 100-1, a second terminal device 100-2, and a server 200. As shown in FIG. 1, the first terminal device 100-1 and the second terminal device 100-2 may be a mobile phone (particularly, a smart phone), but this is only an example. It may be implemented by various electronic devices such as a PC, a notebook, a tablet PC, and the like. Here, the first terminal device and the server, the second terminal device and the server may be connected via a network using various communication technologies, such as RF (Radio Frequency), satellite, Long Term Evolution (LTE), Wi-Fi, the Internet.

Meanwhile, although the communication system illustrated in FIG. 1 has been described as including two terminal devices 100-1 and 100-2, this is only an embodiment and may include two or more terminal devices.

The first terminal device 100-1 and the second terminal device 100-2 may share location information with each other through the server 200. In detail, the first terminal device 100-1 and the second terminal device 100-2 may perform a voice or video call function, and a user of the first terminal device 100-1 may perform a voice or video call. 2 If the user's current location of the terminal device 100-2 is curious, the location information of the second terminal device 100-2 may be checked by requesting location information from the second terminal device.

In detail, the first terminal device 100-1 may request location information from the second terminal device 200-1 through a server. The second terminal device may receive an approval or disapproval command for the location information request of the first terminal device 100-1 from the user. The second terminal device 100-2 generates information (hereinafter referred to as first information) on whether the location information request is approved according to a user's approval or disapproval command, and transmits the information to the server 200, and the server 200. Stores the first information. Thereafter, when the location information is received from the second terminal device, it may be determined whether to transmit the location information to the first terminal device according to the stored first information. If the first information is approval information for the first terminal device, the server 200 transmits the location information of the second terminal device 100-2 to the first terminal device 100-1, and the first terminal device. 100-1 may receive the location information of the second terminal device 100-2 and display the location of the second terminal device 100-2 on the map.

Meanwhile, there may be a case where the user of the second terminal device 100-2 does not want to receive the location information request itself from the first terminal device. Accordingly, the communication system according to another embodiment of the present invention can receive a location information request from another terminal device when the user approves the location sharing request. The location sharing request refers to an approval request transmitted from a specific terminal device to another terminal device in order to use a location sharing service between terminal devices, and in order to request location information from another terminal device, approval of the location sharing request must be assumed.

In detail, the first terminal device 100-1 may transmit a location sharing request to the second terminal device 200-1 through a server. The second terminal device may receive an approval or disapproval command for the location sharing request of the first terminal device 100-1 from the user. The second terminal device generates and transmits information on whether the location sharing request is approved (hereinafter referred to as second information) to the server 200 according to a user's approval or disapproval command, and the server 200 transmits the second information. Save it. Subsequently, when the location information is received from the second terminal device 100-2, it may be determined whether to transmit the location information request to the first terminal device 100-1 according to the stored second information.

Meanwhile, when a plurality of terminal devices request location information from other terminal devices, the other terminal devices may receive user commands for location information requests received from the plurality of terminal devices, respectively, and include a first command for each terminal device. Information can be generated and sent to the server. The server may store the first information about each terminal device, and when the location information is received from another terminal device, may separately determine whether to transmit the location information to the plurality of terminal devices according to the stored first information.

In addition, when a plurality of terminal apparatuses request a location sharing request to other terminal apparatuses, the other terminal apparatuses may receive user commands for location sharing requests received from the plurality of terminal apparatuses, respectively, Information can be generated and sent to the server. The server may store the second information about each terminal device, and when the location information is received from another terminal device, may determine individually whether to transmit the location information to the plurality of terminal devices according to the stored second information.

Meanwhile, the communication system described with reference to FIG. 1 has been described as using a location sharing service during a voice or video call between the first terminal device 100-1 and the second terminal device 100-2. It is possible to use a location sharing service between terminal devices even when not in a call.

FIG. 2 is a sequence diagram for describing an operation of the communication system illustrated in FIG. 1.

According to FIG. 2, the first terminal device 100-1 receives a user command for requesting a location sharing from a user (S1). Then, according to the received user command transmits a location sharing request to the server 200 (S2). The server 200 transmits the received location sharing request to the second terminal device 100-2 (S3).

 The second terminal device 100-2 receives a user command for the received location sharing request (S4), and generates information on whether to approve the location sharing request (hereinafter referred to as second information) according to the user command. In operation S5, the generated second information is transmitted to the server 200 (S6). Thereafter, the server 200 stores the received second information (S7).

The above-described processes of (S1) to (S7) may be performed at any time even when the first terminal device 100-1 and the second terminal device 100-2 are not in communication with each other and should be preceded for requesting location information. It is the process of doing.

Thereafter, during a voice or video call between the first terminal device and the second terminal device, the first terminal device receives a user command for requesting location information from the user (S8). Then, according to the received user command to transmit the location information request to the server 200 (S9).

The server 200 determines whether to transmit the received location information request to the second terminal device 100-2 by using the previously stored second information (S10). When the second information is approval information for the location sharing request, the received location information request is transmitted to the second terminal device 100-2 (S11), and the second information is disapproval information for the location sharing request. The received location information request is not transmitted to the second terminal device 100-2.

 When the second terminal device 100-2 receives the location information request, the second terminal device 100-2 receives a user command for the received location information request (S12), and determines whether to approve the location information request according to the user command (hereinafter, referred to as a first command). Information), and transmits the generated first information to the server 200 (S14). Thereafter, the server 200 stores the received first information (S15).

Meanwhile, when the second terminal device 100-2 receives an approval command for the location information request from the user, the second terminal device 100-2 generates location information of the second terminal device 100-2 (S16). In detail, the second terminal device 100-2 may receive a GPS signal from a global positioning system (GPS) satellite and generate location information including latitude and longitude information using the received GPS signal. In operation S17, the second terminal device 100-2 transmits the generated location information to the server 200.

When the location information is received from the second terminal device 100-2, the server 200 determines whether to transmit the received location information to the first terminal device using the previously stored first information (S18). When the first information is approval information for the location information request of the first terminal device, the received location information is transmitted to the first terminal device 100-1 (S19), and the first information is the first terminal device. In the case of disapproval information for the request for location information, the received location information is not transmitted to the first terminal device 100-1.

When the first terminal device 100-1 receives location information of the second terminal device 100-2 from the server 200, the first terminal device 100-1 displays the location of the second terminal device 100-2 on the map using the received location information. The position is displayed (S20). In detail, the first terminal device 100-1 receives a map from the outside or loads a map previously stored in the first terminal device 100-1, so that the latitude information included in the location information of the second terminal device and The location of the second terminal device may be displayed on the map using the longitude information.

On the other hand, the process of (S16) to (S20) may be repeatedly performed according to the positional movement of the second terminal device. In detail, the second terminal device 100-2 may store the location information generated in S16 and generate new location information for each preset time interval. If the current location information of the newly acquired terminal device is different from the stored location information, that is, the location information previously transmitted to the server 200, the second terminal device 100-2 obtains the current location information of the newly obtained terminal device. And transmit to 200. When the server 200 receives new location information from the second terminal device 100-2, the server 200 checks previously stored first information. If the first information is approval information for the location information request of the first terminal device, the received new location information may be transmitted to the first terminal device 100-1.

Accordingly, even when there is no update request for the location information of the second terminal device 100-2 from the first terminal device 100-1, the first terminal device 100-1 may transmit the second terminal device 100. Location information according to the location movement of -2) can be provided to the user.

Meanwhile, while the first terminal device 100-1 receives the location information of the second terminal device 100-2, the user of the second terminal device 100-2 inputs a user command for stopping the location information request. Alternatively, when the call between the first terminal device 100-1 and the second terminal device 100-2 ends, the second terminal device 100-2 may stop generating location information.

In the above-described embodiment, the first terminal device is described as a terminal device for receiving location information, and the second terminal device is described as a terminal device for transmitting location information. However, the first terminal device and the second terminal device perform the same function. The second terminal device may operate in the same manner when the second terminal device requests location information from the first terminal device.

3 is a sequence diagram illustrating a communication system according to another embodiment of the present invention. In particular, FIG. 3 is a diagram for describing a case where a plurality of terminal devices 100-1 and 100-3 request location information from one terminal device 100-2.

Referring to FIG. 3, the first terminal device 100-1 and the third terminal device 100-3 receive a user command for requesting a location sharing from a user (S51). In operation S52, the location sharing request is transmitted to the server 200 according to the received user command. The server 200 transmits the location sharing request received from the first terminal device 100-1 and the third terminal device 100-3 to the second terminal device 100-2, respectively (S53).

 The second terminal device 100-2 receives a user command for the location sharing request of the first terminal device 100-1 and the third terminal device 100-3, respectively (S54), and positions the user terminal according to the user command. Information on whether to approve the sharing request (hereinafter referred to as second information) is generated (S55), and the generated second information is transmitted to the server 200 (S56). Thereafter, the server 200 stores the received second information (S57). That is, the server 200 may store second information about each of the first terminal device 100-1 and the third terminal device 100-3.

Thereafter, the first terminal device 100-1 and the first terminal device during the multi-party voice or video call of the first terminal device 100-1, the second terminal device 100-2, and the third terminal device 100-3. 3, the terminal device 100-3 receives user commands for requesting location information from the user, respectively (S58). The first terminal device 100-1 and the third terminal device 100-3 transmit the location information request to the server 200 according to the received user command (S59).

The server 200 determines whether to transmit the received location information request to the second terminal device 100-2 using the pre-stored second information (S60), and transmits the location information request to the second terminal according to the determination result. The apparatus 100-2 transmits the data to the apparatus 100-2 (S61). Specifically, by checking the second information about the first terminal device 100-1 and the third terminal device 100-3, it is determined whether to transmit a location information request to the second terminal device for each terminal device. Can be. For example, when the second information about the first terminal device is approval information and the second information about the third terminal device is disapproval information, the server 200 determines the location information of the first terminal device 100-1. The request is transmitted to the second terminal device 100-2, and the location information request of the third terminal device 100-3 is not transmitted to the second terminal device 100-2.

When the second terminal device 100-2 receives a location information request, the second terminal device 100-2 receives a user command for the received location information request (S62), and determines whether to approve the location information request according to the user command (hereinafter, referred to as a first command). Information), and transmits the generated first information to the server 200 (S64).

When the second terminal device 100-2 receives both of the location information requests of the first terminal device 100-1 and the third terminal device 100-3, the second terminal device 100-2 receives the second terminal device 100-2. The first terminal device 100-1 and the third terminal device 100-3 receive user commands for requesting location information of the third terminal device 100-3, respectively, and the first terminal device 100-1 and the third terminal device 100-3. Each of first information about may be generated.

The server 200 stores the first information received from the second terminal device 100-2 (S15). Meanwhile, when the second terminal device 100-2 receives an approval command for the location information request from the user in S62, the second terminal device 100-2 generates location information of the second terminal device 100-2 (S66). If the second terminal device 100-2 receives the disapproval command for all the received location information requests, the location information is not generated, but if the second terminal device 100-2 receives the approval command for the at least one terminal device, the location information is generated. can do. In operation S67, the second terminal device 100-2 transmits the generated location information to the server 200.

When the location information is received from the second terminal device 100-2, the server 200 determines whether to transmit the received location information to the first terminal device and the third terminal device by using the previously stored first information. In operation S68, the location information may be transmitted according to the determination result. In detail, first information about the first terminal device 100-1 and the third terminal device 100-3 may be checked to determine whether location information is transmitted for each terminal device. For example, when the first information on the first terminal device is approval information and the first information on the third terminal device is disapproval information, the server 200 determines location information of the second terminal device 100-2. Is transmitted to the first terminal device 100-1 and not to the third terminal device 100-3.

When the first terminal device 100-1 and the third terminal device receive the location information of the second terminal device 100-2 from the server 200, the second terminal device on the map using the received location information. The position of 100-2 is displayed (S20). In detail, the first terminal device 100-1 and the third terminal device 100-3 receive a map from the outside or load a previously stored map, and include latitude information included in the location information of the second terminal device. The location of the second terminal device may be displayed on the map using the longitude information.

Meanwhile, as described with reference to FIG. 2, the processes of S66 to S70 may be repeated as the position movement of the second terminal device is performed. In addition, while the first terminal device 100-1 and the third terminal device receive the location information of the second terminal device 100-2, the user of the second terminal device 100-2 stops requesting the location information. The second terminal device 100-100, when a call between the first terminal device 100-1, the second terminal device 100-2, and the third terminal device 100-3 ends. 2) may stop generating location information.

In the above-described embodiment, the first terminal device and the third terminal device are described as terminal devices for receiving location information, and the second terminal device is described as a terminal device for transmitting location information, but the first terminal device, the second terminal device, and The third terminal device may perform the same function, and may operate in the same manner when the second terminal device requests location information from the first terminal device or the third terminal device.

4 is a block diagram illustrating a configuration of a terminal device shown in FIG. 1. According to FIG. 4, the terminal device 100 includes a communication unit 110, an input unit 120, and a controller 130.

The communication unit 110 communicates with the server 200. In detail, when the terminal device 100 receives location information from another terminal device, the communication unit 110 may receive a location sharing request and location information request by another terminal device from the server 200. Information on whether to approve the sharing request and the location information request may be transmitted to the server 200. In addition, when the terminal device 100 requests location information from another terminal device, the communication unit 110 may transmit a location sharing request and a location information request to the server 200, and the other terminal device from the server 200. Can receive location information.

To this end, the communication unit 110 may include various wired and wireless communication modules. Specifically, the communication unit 110 is a wired communication technology such as Ethernet, Power Line Communcation (PLC), IEEE 1394, Wide Area Network (WAN), Local Area Network (LAN), etc., and Radio Frequency (RF), Wi-Fi, IEEE Various modules capable of performing communication according to a wireless communication technology such as 802.11, a wireless local area network (WLAN), and IEEE 802.15 may be included. In addition, the mobile communication module performs communication by connecting to a mobile communication network according to various mobile communication standards such as 3G (3rd Generation), 3GPP (3rd Generation Partnership Project), Long Term Evoloution (LTE), and Wireless Broadband Internet (Wibro). It may further include.

The input unit 120 may be implemented as an input panel as an input unit for receiving various user commands and transmitting the received user commands to the controller 130. Here, the input panel may be a key pad or a touch screen having a touch pad or various function keys, numeric keys, special keys, and character keys. In addition, the input unit 120 may be implemented as an IR receiver (not shown) for receiving a remote control signal transmitted from a remote controller for controlling the terminal device 100.

Meanwhile, the input unit 120 may receive various user commands for controlling the function of the terminal device 100. For example, when the terminal device 100 is implemented as a smart phone, a user operation for controlling the functions of the smart phone may be input such as power on / off, changing a ring tone, receiving a voice or video call, sending an MMS, or executing an application. Can be. In this case, the controller 130 may control other components to execute various functions corresponding to a user manipulation input through the input unit 120. For example, when a power-off command is input, the controller 130 may cut off power supplied to each component of the terminal device 100, and when an application execution command is input, the controller 130 may execute a specific application according to a user operation. have.

In particular, when the terminal device 100 receives the location information from the other terminal device, the input unit 120 may receive a user command for the location sharing request and the location information request of the other terminal device. In addition, the input unit 120 may receive a user command for changing information on whether to approve a location sharing request stored in the server 200. Specifically, a user executes an application that provides a location sharing service, and changes information on whether or not to approve a location sharing request for a specific terminal device from approval to disapproval, or disapproval to approval according to a UI provided by the application. You can enter a user command. In addition, when the terminal device 100 requests location information from another terminal device, the terminal device 100 may receive a user command for requesting location information from another terminal device.

The controller 130 controls the overall operation of the terminal device 100. That is, the controller 150 may control each component of the terminal device 100 to perform a corresponding operation.

In particular, when a user command for a location sharing request or a location information request of another terminal device is input, the server 200 generates the second information for the location sharing request or the first information for the location information request according to the user command. Can be controlled to transmit. Specifically, when the approval command for the location sharing request or the location information request is input, the controller 130 generates the approval information for the other terminal device and transmits it to the server 200, and the location sharing request or the location information request When a disapproval command is input, disapproval information for another terminal device may be generated and transmitted to the server 200.

Meanwhile, when an approval command for the location information request is input through the input unit 120, the controller 130 may generate location information of the terminal device 100 and transmit the location information to the server 200.

FIG. 5 is a block diagram illustrating a detailed configuration of a terminal device shown in FIG. 4. According to FIG. 4, the terminal device 100 includes, in addition to the components shown in FIG. 4, the GPS signal receiver 140, the storage 150, the voice collector 160, the output 170, the receiver 180, and the like. The apparatus may further include a signal processor 190. Of the components shown in FIG. 5, the components overlapping with those shown in FIG. 4 have the same functions, and thus detailed descriptions thereof will be omitted.

The GPS signal receiver 140 receives a GPS signal from a GPS satellite. The received GPS signal is used to generate location information of the terminal device 100. To this end, the GPS signal receiver 140 may receive GPS signals from three or more GPS satellites. The controller 130 may generate location information of the terminal device 100 according to an algorithm using a triangulation method previously stored in the storage unit 150 using the received GPS signal.

The storage unit 150 is a storage medium that stores various programs and contents such as photos, videos, and music necessary for operating the terminal device 100, and is implemented as a storage device such as various memories and a hard disk drive (HDD). It is possible. For example, the storage unit 150 may include a ROM for storing a program for performing an operation of the controller 130, a RAM for temporarily storing data according to an operation of the controller 130, and the like. In addition, the EEROM (Electrically Erasable and Programmable ROM) for storing various reference data and may be further provided for storing.

In particular, the storage unit 150 may store an algorithm for changing the GPS signal into location information. As described above, the controller 150 may generate location information of the terminal device 100 by using the GPS signal received through the GPS signal receiver 140 and an algorithm stored in the storage 150.

In addition, the storage 150 may store location information generated by the controller 150. The location information of the terminal device 100 stored in the storage 150 may be used to determine whether there is a movement of the location of the terminal device 100 compared to the newly generated location information. The controller 150 may generate new location information at preset time intervals. When the new location information is generated, the controller 150 may determine whether the location of the terminal device 100 has been moved by comparing the location information previously stored in the storage 150. If it is determined that the location of the terminal device 100 has been moved, the new location information is transmitted to the server 200. Accordingly, a user of another terminal device can be provided with new location information of the terminal device without requesting to update the location information.

The voice collector 160 collects user voices. In particular, for example, the voice collector 160 may be implemented as a microphone for collecting a user's voice, and may be integrated into the terminal device 100 to form an integrated body or may be implemented in a form separated from the terminal device 100. have. When implemented in a separate form, the voice collector 160 may be implemented in a form in which the user grasps it by hand or in a form that can be placed on a table or table, and is connected to the terminal device 100 through a wired or wireless network. The collected user's voice may be transmitted to the terminal device 100.

Meanwhile, the user voice collected through the voice collector 160 may be used for a voice or video call between the terminal devices 100. In addition, when the terminal device 100 provides a voice control function, the terminal device 100 may be used to control the terminal device 100.

The output unit 170 outputs at least one of audio and video. To this end, the output unit 170 may include a display unit 171 and an audio output unit 172.

The display unit 171 may be implemented as a liquid crystal display (LCD), an organic light emitting diode (OLED), a plasma display panel (PDP), or the like, and thus, the terminal device 100. It is possible to provide various display screens that can be provided through. In particular, the display unit 171 may display a GUI for receiving a user command for a location sharing request or a location information request received from the server 200. In addition, the display unit 171 may provide the user with a map of the location of the other terminal device according to the location information of the other terminal device received from the server 200.

The display unit 171 may be implemented in the form of a touch screen that forms a mutual layer structure together with the touch pad, and the touch screen may be configured to detect a touch input position, an area, and even a pressure of the touch input.

The audio output unit 172 may be implemented as an output port such as a speaker or a jack, and output various audio signals. In particular, a voice of a user of another terminal device may be output to the user during a call using the terminal device 100.

The receiver 180 receives various contents. In detail, the receiver 180 receives content from a broadcasting station transmitting broadcast program content using a broadcast network or a web server transmitting content files using the Internet. It is also possible to receive content from various recording medium playback apparatuses provided in the display apparatus 100 or connected to the display apparatus 100. [ The recording medium playback device refers to a device that plays back content stored in various types of recording media such as CD, DVD, hard disk, Blu-ray disk, memory card, USB memory,

In an embodiment of receiving content from a broadcasting station, the receiver 180 may be implemented in a form including a tuner (not shown), a demodulator (not shown), an equalizer (not shown), and the like. On the other hand, in an embodiment of receiving content from a source such as a web server, the receiver 180 may be implemented as a network interface card (not shown). Alternatively, in the case of receiving contents from the various recording medium reproducing apparatuses described above, the receiving unit 180 may be implemented as an interface unit (not shown) connected to the recording medium reproducing apparatus. As such, the receiver 180 may be implemented in various forms according to the embodiment.

The signal processor 190 performs signal processing on the content so that the content received through the receiver 180 can be output through the output unit 110.

In detail, the signal processor 190 may convert the video signal into a form that can be output from the display unit 171 by performing operations such as decoding, scaling, and frame rate conversion on the video signal included in the content. In particular, when the location information of another terminal device is received from the server 200, the map data may be converted into a form that can be output to the display unit 171.

In addition, the signal processing unit 190 performs a signal processing such as decoding on an audio signal included in the voice or content of another terminal device user received from the other terminal device during a call, and outputs the signal from the audio output unit 172. The audio signal can be converted.

FIG. 6 is a block diagram illustrating a configuration of the server shown in FIG. 1. According to FIG. 6, the server 200 includes a first communication unit 210, a second communication unit 220, a storage unit 230, and a control unit 240.

The first communication unit 210 communicates with the first terminal device 100-1. In detail, the first communication unit 210 may receive a location sharing request and a location information request for the second terminal device from the first terminal device. In addition, the location information of the second terminal device may be transmitted to the first terminal device.

The second communication unit 220 communicates with the second terminal device 100-1. In detail, the second communication unit 220 may transmit the location sharing request and the location information request received from the first terminal device to the second terminal device. Then, the second terminal device may receive second information on whether to approve the location sharing request and first information on whether to approve the location information request. Also, location information of the second terminal device may be received from the second terminal device.

To this end, the first communication unit 210 and the second communication unit 220 may include a communication module according to various wired and wireless communication technologies. In FIG. 6, the first communication unit and the second communication unit have been described as separate components, but the server 200 may be implemented as one communication unit capable of communicating with various terminal devices in the network.

The storage unit 230 stores second information on whether to approve the location sharing request received through the second communication unit 220 and first information on whether to approve the location information request. The first information may include information about the terminal device requesting the location information, information about the terminal device requesting the location information, and information on whether to approve the location information request. That is, for example, when the first terminal device requests location information of the second terminal device, the first information includes identification information of the first terminal device that has requested the location information and identification information about the second terminal device that has been requested for the location information. And approval or disapproval information of the location information request. Similarly, the second information may include information about the terminal device requesting the location information, information about the terminal device requesting the location information, and information on whether the location information request is approved.

Meanwhile, when the second communication unit 220 receives the location information from the second terminal device 100-2, the storage unit 230 may store the received location information.

The controller 240 controls the overall operation of the server 200. In particular, when the location information is received from the second terminal device 100-2, the controller 240 determines whether to transmit the received location information to the first terminal device based on the first information stored in the storage 230. You can judge. In detail, the second terminal device 100-2 receives the location information in the form of a packet, and the packet including the location information includes identification information of the terminal device transmitting the packet, identification information of the terminal device to receive the packet, and a packet. The location information of the terminal device that transmits the message is included. When the packet including the location information is received, the control unit 240 checks the terminal device that has transmitted the packet and the terminal device that will receive the packet, and compares it with the first information to determine whether to transmit the packet to the first terminal device that will receive the packet. It can be determined.

The controller 240 transmits the received location information to the first terminal device when the first information is approval information for the location information request, and receives the received location information when the first information is disapproval information for the location information request. Do not transmit to the first terminal device.

In addition, when receiving the location information request from the first terminal device, the controller 240 determines whether to transmit the received location information request to the second terminal device based on the second information stored in the storage 230. Can be. In detail, the control unit 240 transmits the received location information request to the second terminal device when the second information is approval information for the location sharing request, and receives the received information when the second information is disapproval information for the location sharing request. The location information request is not transmitted to the second terminal device.

According to the above-described embodiments, since the terminal device can manage the approval or disapproval information for the location information request of the terminal device through one server, the location information can be efficiently protected and managed.

In addition, the amount of information transmitted through the network is also reduced, thereby reducing the network load and traffic costs.

7 is a flowchart illustrating a control method of a terminal device according to an exemplary embodiment.

First, the terminal device 100 receives a location information request (S710). In detail, when the location information request of another terminal device is transmitted to the server 200, the location information request may be received from the server 200. In operation S720, a user command for location information request is received. Specifically, the user may receive an approval command or a disapproval command. When the user command is input, the terminal device 100 generates first information on whether to approve the location information request according to the user command and transmits the first information to the server 200 (S730).

Specifically, in the step S730 of generating and transmitting the first information to the server, if the received user command is an approval command for the location information request, transmitting the approval information and the location information of the terminal device to the server 200, If the user command is a disapproval command for the location information request, the disapproval information may be generated and transmitted to the server 200. To this end, the method may further include generating location information of the terminal device 100.

The method may further include transmitting current location information of the terminal device to the server when the current location information of the terminal device obtained according to the movement of the terminal device 100 is different from the location information transmitted to the server.

And, receiving the location sharing request by the other terminal device from the server 200, receiving a user command for the received location sharing request, and the second information on whether to approve the location sharing request according to the user command Generating and transmitting to the server 200 may further include. In operation S710, the location information request may be received based on the second information transmitted to the server. That is, when a user receives a disapproval command for a location sharing request, the location information request is not received.

8 is a flowchart illustrating a control method of a server according to an exemplary embodiment.

The server 200 receives a location information request from the first terminal device (S810). In operation S820, the received location information request is transmitted to the second terminal device. Thereafter, first information on whether the location information request is approved is received from the second terminal device (S830), and the received first information is stored (S840). Thereafter, when receiving location information of the second terminal device from the second terminal device (S850), the received location information is transmitted to the first terminal device based on the stored first information (S860). In detail, when the first information is approval information for the location information request, the received location information is transmitted to the first terminal device. When the first information is disapproval information for the location information request, the received location information is transmitted to the first terminal device. Do not transfer to the device.

The method may further include storing second information on whether the second terminal device approves the location sharing request received from the first terminal device. In operation S820, transmitting the location information request to the second terminal device may transmit the received location information request to the second terminal device based on the stored second information. In detail, when the second information is approval information for the location sharing request, the received location information request is transmitted to the second terminal device. When the second information is disapproval information for the location sharing request, the received location information request is removed. 2 Do not transmit to the terminal device.

9 is a flowchart illustrating a control method of a communication system according to an embodiment of the present invention.

First, the first terminal device requests the server for location information on the second terminal long cl (S910). In operation S920, the server transmits the location information request received from the first terminal device to the second terminal device. The second terminal device receives a user command for the received location information request (S930). The second terminal device generates and transmits information on whether to approve the location information request according to the received user command (S940). In detail, the second terminal device may transmit the approval information when the user receives an approval command for the location information request, and may transmit the disapproval information when the disapproval command is input. The server stores information on whether to approve the location information request received from the second terminal device (S950). Then, if the location information is received from the second terminal device (S960), whether the stored location information request is approved. The received location information is transmitted to the first terminal device based on the information on the [S970]. In detail, the server transmits the received location information to the first terminal device when the information on whether to approve the location information request is approval information, and does not transmit the location information to the first terminal device when the information on the disapproval information is disapproved.

Meanwhile, the control method of the terminal device and the control method of the server according to various embodiments of the present disclosure described above may be implemented as a program executable in the terminal device and the server. Such a program can be stored in various types of recording media and used.

Specifically, the code for carrying out the above-described methods may be stored in a memory such as a flash memory, a ROM (Read Only Memory), an EPROM (Erasable Programmable ROM), an Electronically Erasable and Programmable ROM (EEPROM), a hard disk, And may be stored in various types of nonvolatile recording media such as a USB memory, a CD-ROM, and the like.

In addition, although the bus is not shown in the above-described block diagram of the terminal device and the server, communication between each component in the display device, the electronic device, and the server may be performed through the bus. Further, each device may further include a processor such as a CPU, a microprocessor, or the like that performs the various steps described above.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the invention as defined by the appended claims. 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.

100: terminal device 100-1: first terminal device
100-2: second terminal device 100-3: third terminal device
110: communication unit 120: input unit
130 control unit 140 GPS signal receiving unit
150: storage unit 160: voice collector
170: output unit 171: display unit
172: audio output unit 180: receiver
190: signal processing unit 200: server
210: first communication unit 220: second communication unit
230: storage unit 240: control unit

Claims (18)

A first communication unit configured to receive a location information request for a second terminal device from the first terminal device;
A second communication unit which transmits the received location information request to the second terminal device and receives first information on whether to approve the location information request from the second terminal device;
A storage unit which stores the received first information; And
And a controller configured to determine whether to transmit the received location information to the first terminal device based on the stored first information when the location information is received from the second terminal device. The method of claim 1,
The control unit,
When the first information is approval information for the location information request, the received location information is transmitted to the first terminal device, and when the first information is disapproval information for the location information request, the received location information. Not transmitting to the first terminal device. The method of claim 1,
Wherein,
And stores second information on whether the second terminal device approves the location sharing request received from the first terminal device.
The control unit,
And transmit the location information request received from the first terminal device to the second terminal device based on the second information. The method of claim 3,
The control unit,
If the second information is approval information for the location sharing request, the received location information request is transmitted to the second terminal device, and if the second information is disapproval information for the location sharing request, the received location And do not transmit the information request to the second terminal device. A terminal device for communicating with a server,
A communication unit for receiving a location information request by another terminal device from the server;
An input unit for receiving a user command; And
And a controller configured to generate first information on whether to approve the location information request and transmit the generated first information to the server according to a user command input through the input unit. The method of claim 5,
The control unit,
If the user command is an approval command for the location information request, transmitting the approval information and the location information of the terminal device to the server, and if the user command is a disapproval command for the location information request, disapproval information to the server. Terminal device characterized in that for transmitting. The method according to claim 6,
The control unit,
And when the current location information of the terminal device obtained according to the movement of the terminal device is different from the location information previously transmitted to the server, transmitting the current location information of the terminal device to the server. The method of claim 5,
The control unit,
When receiving the location sharing request by the other terminal device from the server, according to a user command input through the input unit, and generates the second information on whether to approve the location sharing request, and transmits to the server,
The location information request,
And the terminal device is received based on the second information transmitted to the server. A first terminal device for requesting location information on a second terminal from a server;
A server receiving the location information request from the first terminal device and transmitting the location information request to the second terminal device; And
And a second terminal device for generating information on whether to approve the location information request and transmitting the generated information to the server according to a user command for the location information request.
The server comprises:
Receives and stores the first information on the approval of the location information request from the second terminal device, and if the location information is received from the second terminal device, the received location information based on the stored first information. And determining whether to transmit to the first terminal device. Receiving a request for location information on a second terminal device from the first terminal device;
Transmitting the received location information request to the second terminal device;
Receiving first information on whether to approve the location information request from the second terminal device;
Storing the received first information;
Receiving location information from the second terminal device; And
Transmitting the received location information to the first terminal device based on the stored first information. The method of claim 10,
The step of transmitting the received location information to the first terminal device,
When the first information is approval information for the location information request, the received location information is transmitted to the first terminal device, and when the first information is disapproval information for the location information request, the received location information. Not transmitting to the first terminal device. 12. The method of claim 11,
Storing second information on whether the second terminal device approves the location sharing request received from the first terminal device;
The transmitting of the received location information request to the second terminal device may include:
And transmitting the location information request received from the first terminal device to the second terminal device based on the second information. The method of claim 12,
The transmitting of the received location information request to the second terminal device may include:
If the second information is approval information for the location sharing request, the received location information request is transmitted to the second terminal device, and if the second information is disapproval information for the location sharing request, the received location And do not transmit the information request to the second terminal device. In the control method of a terminal device communicating with a server,
Receiving a location information request by another terminal device from the server;
Receiving a user command for the received location information request; And
And generating, according to the user command, first information on whether to approve the request for location information and transmitting the generated first information to the server. 15. The method of claim 14,
Generating location information of the terminal device;
Generating and transmitting the first information to the server,
If the user command is an approval command for the location information request, transmit the approval information and the location information to the server, and if the user command is a disapproval command for the location information request, generate and transmit the disapproved information to the server. Control method of a terminal device, characterized in that. 16. The method of claim 15,
Transmitting the current location information of the terminal device to the server when the current location information of the terminal device obtained according to the movement of the terminal device is different from the location information previously transmitted to the server. A control method of a terminal device. 15. The method of claim 14,
Receiving a location sharing request by the other terminal device from the server;
Receiving a user command for the received location sharing request; And
Generating second information on whether to approve the location sharing request according to the user command and transmitting the generated second information to the server;
The location information request,
The control method of the terminal device, characterized in that received based on the second information transmitted to the server. Requesting, by the first terminal device, location information on the second terminal from the server;
Transmitting, by the server, the location information request received from the first terminal device to the second terminal device;
Receiving, by the second terminal device, a user command for the location information request;
Generating, by the second terminal device, information on whether to approve the location information request according to the user command and transmitting the generated information to the server;
Storing, by the server, information on whether the location information request received from the second terminal device is approved;
The server receiving location information from the second terminal device; And
And transmitting the received location information to the first terminal device based on the information on whether the stored location information request is approved.

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