WO2022181981A1

WO2022181981A1 - Method for detecting lost wearable device

Info

Publication number: WO2022181981A1
Application number: PCT/KR2022/000689
Authority: WO
Inventors: 윤재구; 이정훈
Original assignee: 삼성전자 주식회사
Priority date: 2021-02-23
Filing date: 2022-01-14
Publication date: 2022-09-01
Also published as: KR20220120164A

Abstract

According to various embodiments, a wearable device comprises: a communication module for performing Bluetooth communication with an external device; a memory; and a processor, wherein the processor may be configured to: control the communication module to receive a first packet from a first external device; control the memory to store information about identification (ID) of the first external device, on the basis of the received first packet; when a lost condition of the wearable device is identified, control the communication module to broadcast a first advertising packet including a first flag; and when a second packet including information about ID different from the ID of the first external device is received from a second external device, control the communication to broadcast a second advertising packet including a second flag, on the basis of the second packet.

Description

How to detect a lost wearable device

Various embodiments of the present disclosure relate to a method for detecting a lost wearable device.

When the wearable device supporting short-distance communication cannot communicate with the server through short-distance communication, data may not be transmitted directly to the server. In this case, the wearable device communicates with the peripheral device through short-range communication, and the peripheral device communicates with the server, so that the wearable device and the server can indirectly communicate through the peripheral device.

In the case of a wearable device supporting the Bluetooth communication method, information related to the wearable device may be broadcast using an advertising packet. When a specific user's wearable device is lost, the wearable device may transmit information related to the wearable device to a peripheral device through an advertising packet.

When the wearable device broadcasts information related to the wearable device to the peripheral device through the advertising packet, the location of the wearable device may be confirmed through any device located in the vicinity of the wearable device.

In this case, a method by which the actual owner of the wearable device can check the location of the lost wearable device is required.

According to various embodiments of the present disclosure, a method in which an actual user of the lost wearable device can check the location of the wearable device may be provided through a method of detecting a lost wearable device.

According to various embodiments, a wearable device may include a communication module configured to perform Bluetooth communication with an external device; Memory; and a processor, wherein the processor controls the communication module to receive a first packet from a first external device, and based on the received first packet, an ID (Identification) of the first external device Controls the memory to store information, and controls the communication module to broadcast a first advertising packet including a first flag when a loss condition of the wearable device is confirmed and receiving, from a second external device (eg, the third electronic device 1130 ), a second packet including information on an ID different from the ID of the first external device, in the second packet Based on it, it may be configured to control the communication module to broadcast a second advertising packet including a second flag.

According to various embodiments of the present disclosure, an electronic device may include a first communication module configured to perform Bluetooth communication with an external device; a second communication module for communicating with the server; and a processor, wherein the processor controls the first communication module to receive a first packet from a first wearable device, and based on the received first packet, ID (Identification) of the first wearable device Controls the second communication module to transmit a first signal including information about Based on this, it may be configured to control the second communication module to transmit a second signal including information indicating that the first wearable device is in a lost state to the server.

According to various embodiments of the present disclosure, a method of operating a wearable device includes: receiving a first packet from a first external device through a communication module; storing information on an ID (Identification) of the first external device in a memory based on the received first packet; broadcasting, through the communication module, a first advertising packet including a first flag, based on checking the loss condition of the wearable device; and based on receiving, from a second external device, a second packet including information on an ID different from the ID of the first external device, through the communication module, a second advertisement including a second flag It may include an operation of broadcasting a Jing packet.

According to various embodiments of the present disclosure, a method of operating an electronic device includes: receiving a first packet from a first wearable device through a first communication module; transmitting a first signal including information on an ID (Identification) of the first wearable device to a server through a second communication module based on the received first packet; and information indicating that the first wearable device is in a lost state through the second communication module based on the lapse of a preset time after receiving the packet transmitted from the first wearable device through the first communication module It may include the operation of transmitting the included second signal to the server.

1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure;

2 is a block diagram of devices in a network environment according to an embodiment.

3 is a flowchart illustrating a method of operating a wearable device according to an exemplary embodiment.

4 is a flowchart illustrating a method of operating an electronic device according to an exemplary embodiment.

5 is a flowchart illustrating a wearable device and a method of operating an electronic device according to an exemplary embodiment.

6 is a flowchart illustrating a method of operating a wearable device according to an exemplary embodiment.

7 is a flowchart illustrating a method of operating an electronic device according to an exemplary embodiment.

8 is a flowchart illustrating a wearable device and a method of operating an electronic device according to an exemplary embodiment.

9 is a flowchart illustrating a method of operating a wearable device according to an exemplary embodiment.

10 is a flowchart illustrating a method of operating an electronic device according to an exemplary embodiment.

11 is a flowchart illustrating a wearable device and a method of operating an electronic device according to an exemplary embodiment.

12 is a flowchart illustrating a method of operating a wearable device according to an exemplary embodiment.

1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure; Referring to FIG. 1 , in a network environment 100 , an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 . In some embodiments, at least one of these components (eg, the connection terminal 178 ) may be omitted or one or more other components may be added to the electronic device 101 . In some embodiments, some of these components (eg, sensor module 176 , camera module 180 , or antenna module 197 ) are integrated into one component (eg, display module 160 ). can be

The processor 120, for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be stored in , process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 . According to an embodiment, the processor 120 is the main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, when the electronic device 101 includes the main processor 121 and the sub-processor 123 , the sub-processor 123 uses less power than the main processor 121 or is set to be specialized for a specified function. can The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .

The secondary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states. According to an embodiment, the coprocessor 123 (eg, an image signal processor or a communication processor) may be implemented as part of another functionally related component (eg, the camera module 180 or the communication module 190 ). have. According to an embodiment, the auxiliary processor 123 (eg, a neural network processing device) may include a hardware structure specialized for processing an artificial intelligence model. Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which artificial intelligence is performed, or may be performed through a separate server (eg, the server 108). The learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited The artificial intelligence model may include a plurality of artificial neural network layers. Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example. The artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176 ) of the electronic device 101 . The data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto. The memory 130 may include a volatile memory 132 or a non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .

The input module 150 may receive a command or data to be used by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 . The input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).

The sound output module 155 may output a sound signal to the outside of the electronic device 101 . The sound output module 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.

The display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 . The display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device. According to an embodiment, the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.

The audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 , or an external electronic device (eg, a sound output module 155 ) connected directly or wirelessly with the electronic device 101 . The electronic device 102) (eg, a speaker or headphones) may output a sound.

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the sensed state. can do. According to an embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.

The interface 177 may support one or more specified protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ). According to an embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ). According to an embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense. According to an embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to an embodiment, the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a local area network (LAN) communication module, or a power line communication module). A corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other. The wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 . The electronic device 101 may be identified or authenticated.

The wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR). NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)). The wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example. The wireless communication module 192 uses various techniques for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna. The wireless communication module 192 may support various requirements defined in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ). According to an embodiment, the wireless communication module 192 may include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: Downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less) can be supported.

The antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device). According to an embodiment, the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern. According to an embodiment, the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna. According to some embodiments, other components (eg, a radio frequency integrated circuit (RFIC)) other than the radiator may be additionally formed as a part of the antenna module 197 .

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.

At least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and a signal ( e.g. commands or data) can be exchanged with each other.

According to an embodiment, the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the external

electronic devices

102 or 104 may be the same as or different from the electronic device 101 . According to an embodiment, all or a part of operations executed in the electronic device 101 may be executed in one or more external

electronic devices

102 , 104 , or 108 . For example, when the electronic device 101 needs to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, one or more external electronic devices may be requested to perform at least a part of the function or the service. One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 . The electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request. For this purpose, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used. The electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 104 may include an Internet of things (IoT) device. The server 108 may be an intelligent server using machine learning and/or neural networks. According to an embodiment, the external electronic device 104 or the server 108 may be included in the second network 199 . The electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

2 shows a block diagram of devices in a network environment according to one embodiment.

Referring to FIG. 2 , the network environment 100 according to an embodiment may include a first electronic device 210 , a second electronic device 220 , a wearable device 240 , and/or a server 250 . can The first electronic device 210 may be the same type of electronic device as the electronic device 101 of FIG. 1 . The second electronic device 220 may be the same type of electronic device as the electronic device 104 of FIG. 1 . The second electronic device 220 may be implemented as the same type of electronic device as the electronic device 101 of FIG. 1 , and there is no limitation thereto. The wearable device 240 may be the same type of electronic device as the electronic device 102 of FIG. 1 . The wearable device 240 may be implemented as the same type of electronic device as the electronic device 101 of FIG. 1 , and there is no limitation thereto. Server 250 may be the same type of device as server 108 of FIG. 1 . The server 250 may be implemented with the same type of electronic device as the electronic device 101 of FIG. 1 , and there is no limitation thereto. FIG. 2 illustrates a case in which the number of electronic devices (eg, the first electronic device 210 and the second electronic device 220) is two, but is included in the network environment 100 according to an embodiment. There is no limit to the number of electronic devices.

FIG. 2 illustrates that the wearable device 240 communicates with the server 250 through an electronic device (eg, the first electronic device 210 and/or the second electronic device 220). Device 240 may communicate directly with server 250 .

Referring to FIG. 2 , according to an embodiment, the wearable device 240 (eg, the processor of the wearable device 240 (eg, the processor 120 of FIG. 1 )) includes a communication module (eg, For example, communication may be performed with an electronic device (eg, the first electronic device 210 and/or the second electronic device 220 ) through the communication module 190 of FIG. 1 .

Referring to FIG. 2 , according to an embodiment, a first electronic device 210 (eg, the electronic device 101 of FIG. 1 ) includes a processor 215 , a first communication module 211 , and/or Alternatively, the second communication module 212 may be included. The first electronic device 210 (eg, the processor 215 ) may communicate with the wearable device 240 through the first communication module 211 . The first communication module 211 may be, for example, a Bluetooth communication module, and the type thereof is not limited. The first electronic device 210 may communicate with the server 250 through the second communication module 212 . The second communication module 212 may be a communication module using a communication method different from that of the first communication module 211 , and there is no limitation in the type thereof. Also, although not shown, the first electronic device 210 communicates with the server 250 through a communication module (eg, the first communication module 211 ) that communicates with the wearable device 240 . can also be done

Referring to FIG. 2 , according to an embodiment, the second electronic device 220 (eg, the electronic device 104 of FIG. 1 or the electronic device 101 of FIG. 1 ) includes a processor 225 , a first It may include a first communication module 221 and/or a second communication module 222 . The second electronic device 220 may be implemented as the same type of electronic device as the first electronic device 210 , and the second electronic device 220 communicates with the wearable device 240 or the server 250 . The method may be understood similarly to a description of a method in which the first electronic device 210 communicates with the wearable device 240 or the server 250 .

According to an embodiment, referring to FIG. 2 , the wearable device 240 communicates with an external device (eg, the first electronic device 210 or the second electronic device 220 ) through a Bluetooth method. can do. For example, the wearable device 240 may transmit and receive packets for Bluetooth communication with an external device. The packet may include a device ID field, a flag field, and/or a data field. The device that has received the packet including the device ID field may check the identification of the device that has transmitted the packet. The device that has received the packet including the flag field may check the state of the device that transmitted the packet or the type of the corresponding packet based on the flag included in the flag field. For example, a specific device may check a flag included in a flag field of a received packet, and may perform a specific operation based on the checked flag. Upon receiving the packet including the data field, the device may check the data included in the data field.

3 is a flowchart illustrating a method of operating a wearable device according to an exemplary embodiment. FIG. 3 will be described with reference to FIG. 2 .

Referring to FIG. 3 , in operation 301 , according to an embodiment, the wearable device 240 (eg, the processor of the wearable device 240 (eg, the processor 120 of FIG. 1 )) includes a first electronic A first packet may be received from the device 210 . For example, the wearable device 240 may receive a first packet including information on an ID (Identification) of the first electronic device 210 from the first electronic device 210 using a Bluetooth communication method. .

In operation 303, according to an embodiment, the wearable device 240 stores, based on the received first packet, information on the ID of the first electronic device 210 into a memory (eg, the memory (eg, the memory ( 130)) can be stored.

In operation 305 , according to an embodiment, the wearable device 240 may broadcast a packet including a lost flag based on checking a loss condition.

According to an embodiment, the wearable device 240 may check a loss condition based on checking at least one preset condition, or in another embodiment, a preset number of conditions among at least one preset condition Based on the confirmation of the loss condition may be confirmed, but there is no limitation thereto. For example, the wearable device 240 may check the loss condition based on the lapse of a preset time after receiving the packet from the first electronic device 210 . For example, the wearable device 240 may check the loss condition based on the lapse of a preset time from the point in time when the Bluetooth pairing with the first electronic device 210 is terminated. The wearable device 240 may establish Bluetooth pairing with the first electronic device 210 , but the Bluetooth pairing may be canceled based on the physical distance from the first electronic device 210 exceeding the Bluetooth communication range. have. The wearable device 240 may start a timer from the point in time when the Bluetooth pairing with the first electronic device 210 is terminated, and may check a loss condition based on the lapse of a preset time. The preset time is not limited. Or, for example, the wearable device 240 may check the loss condition based on the lapse of a preset time after the wearable device 240 is separated from a cradle to which it can be physically coupled.

According to an embodiment, based on the confirmation of the loss condition, the wearable device 240 may transmit a packet including a lost flag. The lost flag may mean a flag indicating that the wearable device 240 is in a lost state. For example, the wearable device 240 may broadcast an advertising packet including a lost flag based on the confirmation of the loss condition.

4 is a flowchart illustrating a method of operating an electronic device according to an exemplary embodiment. FIG. 4 will be described with reference to FIG. 2 .

Referring to FIG. 4 , in operation 401 , according to an embodiment, the second electronic device 220 (eg, the processor 225 ) advertises a lost flag from the wearable device 240 . packets can be received. The second electronic device 220 may confirm that the wearable device 240 is in a lost state based on the advertising packet including the lost flag received from the wearable device 240 .

In operation 403 , according to an embodiment, the second electronic device 220 receives the advertising packet including the lost flag from the wearable device 240 , based on the location information of the wearable device 240 . may be transmitted to the server 250 .

According to an embodiment, the second electronic device 220 may check the location information of the wearable device 240 based on the Bluetooth packet received from the wearable device 240 . For example, the second electronic device 220 obtains the location information of the wearable device 240 based on a packet (eg, an advertising packet including a lost flag) received from the wearable device 240 . can be checked, and the identified location information of the wearable device 240 can be transmitted to the server 250 . In one example, the second electronic device 220, based on the location information of the second electronic device 220, various methods (eg, GPS method, WPS method, or indoor positioning method such as geomagnetic sensing) can be checked by The second electronic device 220 may transmit the location information of the second electronic device 220 to the server 250 as location information of the wearable device 240 .

5 is a flowchart illustrating a wearable device and a method of operating an electronic device according to an exemplary embodiment. The first electronic device 510 of FIG. 5 may correspond to the first electronic device 210 of FIG. 2 . The second electronic device 520 of FIG. 5 may correspond to the second electronic device 220 of FIG. 2 . The wearable device 540 of FIG. 5 may correspond to the wearable device 240 of FIG. 2 . The server 550 of FIG. 5 may correspond to the server 250 of FIG. 2 .

Referring to FIG. 5 , in operation 501 , according to an embodiment, the wearable device 540 and the first electronic device 510 may transmit/receive a packet. For example, the first electronic device 510 may transmit a packet including information on the identification (ID) of the first electronic device 510 to the wearable device 540 . The wearable device 540 may transmit a packet including information on the ID of the wearable device 540 to the first electronic device 510 . The wearable device 540 and the first electronic device 510 may transmit/receive packets during a pairing process for Bluetooth communication, or may transmit/receive packets during a communication process after Bluetooth communication is connected.

In operation 503 , according to an embodiment, the wearable device 540 may store information on the ID of the first electronic device 510 in a memory (eg, the memory 130 of FIG. 1 ).

In operation 505 , according to an embodiment, the first electronic device 510 transmits, to the server 550 , a signal including the ID of the wearable device 540 and information on the ID of the first electronic device 510 . can For example, the first electronic device 510 may provide a pairing history between the wearable device 540 and the first electronic device 510 and the ID of the wearable device 540 and the ID of the first electronic device 510 . A signal including information may be transmitted to the server 550 , and the server 550 may store the ID of the wearable device 540 and the ID of the first electronic device 510 .

In operation 507 , according to an embodiment, the wearable device 540 may check a loss condition of the wearable device 540 . For example, as described above, the wearable device 540 performs a physical operation of the wearable device 540 based on the lapse of a preset time from the point in time when the Bluetooth pairing with the first electronic device 510 is terminated, and/or Based on the lapse of a preset time after separation from the cradle that can be coupled to , a loss condition can be checked, which is an example, and there is no limitation on the loss condition of the wearable device 540 .

In operation 509 , according to an embodiment, the first electronic device 510 may check a loss condition of the wearable device 540 . The first electronic device 510 may check a loss condition of the wearable device 540 based on checking at least one preset condition, or check a preset number of conditions among at least one preset condition It is also possible to check the loss condition of the wearable device 540 based on the For example, the first electronic device 510 may check the loss condition of the wearable device 540 based on the lapse of a preset time after receiving the packet from the wearable device 540 . For example, the first electronic device 510 may check the loss condition of the wearable device 540 based on the lapse of a preset time from when the Bluetooth pairing with the wearable device 540 is terminated. The first electronic device 510 may start a timer from the point in time when Bluetooth pairing with the wearable device 540 is terminated, and may check the loss condition of the wearable device 540 based on the lapse of a preset time. The preset time is not limited. Or, for example, the first electronic device 510 checks the loss condition of the wearable device 540 based on receiving an input indicating that the wearable device 540 is lost from the user of the first electronic device 510 . can

In operation 511 , according to an embodiment, the wearable device 540 may broadcast a packet including a lost flag based on checking a loss condition.

In operation 513, according to an embodiment, the first electronic device 510 transmits a signal including information indicating the loss of the wearable device 540 to the server ( 550) can be transmitted. The server 550 stores, in the memory, information indicating that the wearable device 540 is in a lost state, based on receiving a signal including information indicating the loss of the wearable device 540 from the first electronic device 510 . can be saved The first electronic device 510 transmits a signal including information indicating the loss of the wearable device 540 to the server 550 , and the server 550 stores information indicating that the wearable device 540 is in a lost state. It can be expressed that a series of processes of storing the wearable device 540 is registered with the server 550 .

In operation 515 , according to an embodiment, the second electronic device 510 may receive a packet including a lost flag from the wearable device 540 .

In operation 517 , according to an embodiment, the second electronic device 510 transmits the location information of the wearable device 540 to the server 550 based on receiving the packet including the lost flag from the wearable device 540 . ) can be transmitted.

Although not shown, according to an embodiment, the server 550 may transmit a signal including location information of the wearable device 540 to the first electronic device 510 . For example, the server 550 checks the ID of the first electronic device 510 stored in association with the ID of the wearable device 540 , and provides the first electronic device 510 with location information of the wearable device 540 . It is possible to transmit a signal including

6 is a flowchart illustrating a method of operating a wearable device according to an exemplary embodiment. FIG. 6 will be described with reference to FIG. 2 .

Referring to FIG. 6 , in operation 601 , according to an embodiment, the wearable device 240 (eg, the processor of the wearable device 240 (eg, the processor 120 of FIG. 1 )), the electronic device ( For example, as the third electronic device 830 of FIG. 8 , which will be described later, a packet requesting the setting of the lost flag may be received from the same type of electronic device as the second electronic device 220 of FIG. 2 . For example, the third electronic device 830 may transmit a packet causing the wearable device 240 to broadcast an advertising packet including the lost flag to the wearable device 240 . .

In operation 603 , according to an embodiment, the wearable device 240 receives a packet requesting the setting of the lost flag from the third electronic device 830 , the advertising packet including the lost flag can be broadcast.

7 is a flowchart illustrating a method of operating an electronic device according to an exemplary embodiment. FIG. 7 will be described with reference to FIG. 2 .

Referring to FIG. 7 , in operation 701 , according to an embodiment, an electronic device (eg, a third electronic device 830 of FIG. 8 , which will be described later, is of the same type as the second electronic device 220 of FIG. 2 ). of the electronic device) may perform a Bluetooth pairing operation with the wearable device 240 . For example, the third electronic device 830 (eg, the processor of the third electronic device 830 (eg, the processor 120 of FIG. 1 )) communicates with the wearable device 240 through Bluetooth communication. can send and receive

In operation 703 , according to an embodiment, the third electronic device 830 may transmit a signal requesting inquiry of information related to the wearable device 240 to the server 250 . For example, the third electronic device 830 may transmit a signal including information on the ID of the wearable device 240 to the server 250 .

In operation 705 , according to an embodiment, the third electronic device 830 may receive a signal including information related to the loss of the wearable device 240 from the server 250 . For example, the server 250, based on receiving a signal including information on the ID of the wearable device 240 from the third electronic device 830, the wearable device 240 stored in the server 250 and When the related information is searched and the lost state of the wearable device 240 is registered, a signal indicating that the wearable device 240 is in the lost state may be transmitted to the third electronic device 830 .

In operation 707 , according to an embodiment, the third electronic device 830 requests setting of a lost flag based on receiving a signal indicating that the wearable device 240 is in a lost state from the server 250 . The packet may be transmitted to the wearable device 240 .

8 is a flowchart illustrating a wearable device and a method of operating an electronic device according to an exemplary embodiment. The first electronic device 810 of FIG. 8 may correspond to the first electronic device 210 of FIG. 2 . The second electronic device 820 of FIG. 8 may correspond to the second electronic device 220 of FIG. 2 . The third electronic device 830 of FIG. 8 may be the same type of electronic device as the second electronic device 220 of FIG. 2 . The wearable device 840 of FIG. 8 may correspond to the wearable device 240 of FIG. 2 . The server 850 of FIG. 8 may correspond to the server 250 of FIG. 2 .

Referring to FIG. 8 , in operation 801 , according to an embodiment, the wearable device 840 and the first electronic device 810 may transmit/receive a packet. For example, the wearable device 540 and the first electronic device 510 may perform a pairing operation for Bluetooth communication.

In operation 803 , according to an embodiment, the wearable device 840 may store information on the ID of the first electronic device 810 in a memory (eg, the memory 130 of FIG. 1 ).

In operation 805 , according to an embodiment, the first electronic device 810 transmits, to the server 850 , a signal including the ID of the wearable device 840 and information on the ID of the first electronic device 810 . can

In operation 807 , according to an embodiment, the first electronic device 810 may identify a loss condition of the wearable device 840 .

In operation 809 , according to an embodiment, the first electronic device 810 may register the loss of the wearable device 840 with the server 850 based on checking the loss condition of the wearable device 840 . .

In operation 811 , according to an embodiment, the third electronic device 830 may perform a Bluetooth pairing operation with the wearable device 840 .

In operation 813 , according to an embodiment, the third electronic device 830 may transmit a signal for requesting inquiry of information related to the wearable device 840 to the server 850 .

In operation 815 , according to an embodiment, the third electronic device 830 may receive a signal including information related to the loss of the wearable device 840 from the server 850 .

In operation 817 , according to an embodiment, the third electronic device 830 requests setting of a lost flag based on receiving a signal indicating that the wearable device 840 is in a lost state from the server 850 . The packet may be transmitted to the wearable device 840 .

In operation 819 , according to an embodiment, the wearable device 240 receives a packet requesting the setting of the lost flag from the third electronic device 830 , the advertising packet including the lost flag can be broadcast.

In operation 821 , according to an embodiment, the second electronic device 820 may receive an advertising packet including a lost flag from the wearable device 840 .

In operation 823 , according to an embodiment, the second electronic device 820 receives location information of the wearable device 840 based on the advertisement packet including the lost flag from the wearable device 840 . may be transmitted to the server 850 .

9 is a flowchart illustrating a method of operating a wearable device according to an exemplary embodiment. FIG. 9 will be described with reference to FIG. 2 .

Referring to FIG. 9 , in operation 901 , according to an embodiment, the wearable device 240 (eg, the processor of the wearable device 240 (eg, the processor 120 of FIG. 1 )) includes a first electronic A first packet may be received from the device 210 .

In operation 903 , according to an embodiment, the wearable device 240 stores information about the ID of the first electronic device 210 in a memory (eg, the memory ( 130)) can be stored.

In operation 905 , according to an embodiment, the wearable device 240 is an electronic device (eg, a third electronic device 1130 of FIG. 11 , which will be described later, and the same as the second electronic device 220 of FIG. 2 ). type of electronic device). For example, the wearable device 240 may receive, from the third electronic device 1130 , a packet including information on the ID of the third electronic device 1130 .

In operation 909 , according to an embodiment, the wearable device 240 determines that the ID of the third electronic device 1130 is different from the stored ID of the first electronic device 210 , and the non-stand-alone (NSA) ) flag can be broadcast. The NSA flag means a flag indicating that the wearable device 240 has attempted to pair with another electronic device (eg, the third electronic device 1130 ) different from the first electronic device 210 or is in a paired state. can do.

FIG. 10 will be described with reference to FIG. 2 .

Referring to FIG. 10 , in operation 1001 , according to an embodiment, the second electronic device 220 (eg, the processor 225 ) advertises advertisements including the NSA flag from the wearable device 240 . packets can be received.

In operation 1003 , according to an embodiment, the second electronic device 220 receives the advertising packet including the NSA flag from the wearable device 240 , based on the information associated with the wearable device 240 . A signal requesting the inquiry of may be transmitted to the server 250 .

In operation 1005 , according to an embodiment, the second electronic device 220 may receive a signal including information related to the loss of the wearable device 240 from the server 250 .

In operation 1007 , according to an embodiment, the second electronic device 220 receives a signal indicating that the wearable device 240 is in a lost state from the server 250 , based on the location of the wearable device 240 . The information may be transmitted to the server 250 . There is no limitation on a method in which the second electronic device 220 checks the location information of the wearable device 240 , and a method in which the second electronic device 220 checks the location information of the wearable device 240 in relation to operation 1007 . may be understood similarly to the description of operation 403 described above.

11 is a flowchart illustrating a wearable device and a method of operating an electronic device according to an exemplary embodiment. The first electronic device 1110 of FIG. 11 may correspond to the first electronic device 210 of FIG. 2 . The second electronic device 1120 of FIG. 11 may correspond to the second electronic device 220 of FIG. 2 . The third electronic device 1130 of FIG. 11 may be the same type of electronic device as the second electronic device 220 of FIG. 2 . The wearable device 1140 of FIG. 11 may correspond to the wearable device 240 of FIG. 2 . The server 1150 of FIG. 11 may correspond to the server 250 of FIG. 2 .

Referring to FIG. 11 , in operation 1101 , according to an embodiment, the wearable device 1140 and the first electronic device 1110 may perform a pairing operation for Bluetooth communication.

In operation 1103 , according to an embodiment, the wearable device 1140 may store information on the ID of the first electronic device 1110 in a memory (eg, the memory 130 of FIG. 1 ).

In operation 1105 , according to an embodiment, the first electronic device 1110 transmits, to the server 1150 , a signal including the ID of the wearable device 1140 and information on the ID of the first electronic device 1110 . can

In operation 1107 , according to an embodiment, the first electronic device 1110 may identify a loss condition of the wearable device 1140 .

In operation 1109 , according to an embodiment, the first electronic device 1110 may register the loss of the wearable device 1140 with the server 1150 based on checking the loss condition of the wearable device 1140 . .

In operation 1111 , according to an embodiment, the third electronic device 1130 may perform a Bluetooth pairing operation with the wearable device 1140 .

In operation 1113 , according to an embodiment, the wearable device 1140 performs non-stand-alone (NSA) based on that the ID of the third electronic device 1130 is different from the stored ID of the first electronic device 1110 . ) flag can be broadcast.

In operation 1115 , according to an embodiment, the second electronic device 1120 may receive an advertising packet including an NSA flag from the wearable device 1140 .

In operation 1117 , according to an embodiment, the second electronic device 1120 receives the advertising packet including the NSA flag from the wearable device 1140 , based on the information associated with the wearable device 1140 . A signal requesting the inquiry of may be transmitted to the server 1150 .

In operation 1119 , according to an embodiment, the second electronic device 1120 may receive a signal including information related to the loss of the wearable device 1140 from the server 1150 .

In operation 1121 , according to an embodiment, the second electronic device 1120 receives a signal indicating that the wearable device 1140 is in a lost state from the server 1150 , based on the location of the wearable device 1140 . Information may be transmitted to the server 1150 .

12 is a flowchart illustrating a method of operating a wearable device according to an exemplary embodiment. FIG. 12 will be described with reference to FIGS. 2, 8 and 11 . The first external device of FIG. 12 may correspond to the first electronic device 810 of FIG. 8 . The second external device of FIG. 12 may correspond to the third electronic device 1130 of FIG. 11 . The third external device of FIG. 12 may correspond to the third electronic device 830 of FIG. 8 .

Referring to FIG. 12 , in operation 1201 , according to an embodiment, the wearable device 240 (eg, the processor of the wearable device 240 (eg, the processor 120 of FIG. 1 )) performs a first external operation. A first packet may be received from a device (eg, the first electronic device 810 of FIG. 8 ).

In operation 1203, according to an embodiment, the wearable device 240 determines the ID of the first external device (eg, the first electronic device 810 of FIG. 8 ) based on the received first packet. Information may be stored in a memory (eg, memory 130 of FIG. 1 ).

In operation 1205 , according to an exemplary embodiment, the wearable device 240 is connected from a second external device (eg, the third electronic device 1130 of FIG. 11 ) to a first external device (eg, FIG. 8 ). Operation 1207 may be performed based on receiving the second packet including information on an ID different from the ID of the first electronic device 810 .

In operation 1207 , according to an embodiment, the wearable device 240 transmits the second external device (eg, the third electronic device 1130 of FIG. 11 ) to the first external device (eg, FIG. 8 ). Based on the reception of the second packet including information on an ID different from the ID of the first electronic device 810), an advertising packet including an NSA flag may be broadcast.

In operation 1205 , according to an embodiment, if the wearable device 240 does not receive a packet from the second external device (eg, the third electronic device 1130 of FIG. 11 ), operation 1209 is performed. can do. Alternatively, although not shown, after the wearable device 240 broadcasts the advertising packet including the NSA flag according to operation 1207 , the wearable device 240 may perform operation 1209 .

In operation 1209, according to an embodiment, the wearable device 240 receives, from a third external device (eg, the third electronic device 830 of FIG. 8 ), a third packet requesting the setting of the lost flag. Based on the reception, operation 1211 may be performed.

In operation 1211 , according to an embodiment, the wearable device 240 may broadcast an advertising packet including a lost flag.

In operation 1209, according to an embodiment, the wearable device 240 receives, from a third external device (eg, the third electronic device 830 of FIG. 8 ), a third packet requesting the setting of the lost flag. If not received, operation 1213 may be performed.

In operation 1213 , according to an embodiment, the wearable device 240 may perform operation 1211 based on checking the loss condition. That is, the wearable device 240 may broadcast an advertising packet including a lost flag based on checking the loss condition.

According to various embodiments, the wearable device 240 may include a communication module (eg, the communication module 190 ) for performing Bluetooth communication with an external device; memory (eg, memory 130 ); and a processor (eg, processor 120), wherein the processor controls the communication module to receive a first packet from a first external device (eg, first electronic device 810), and , when controlling the memory to store information on the ID (Identification) of the first external device based on the received first packet and checking the loss condition of the wearable device, a first flag Controls the communication module to broadcast a first advertising packet including Set to control the communication module to broadcast a second advertising packet including a second flag based on the second packet when receiving a second packet including information on an ID different from the ID can be

According to various embodiments, when receiving a third packet requesting transmission of the first flag from a third external device (eg, the third electronic device 830), the processor is configured to: flag) may be configured to control the communication module to broadcast a third advertising packet including the (Advertising Packet).

According to various embodiments, the processor may be configured to check the loss condition based on the lapse of a preset time after receiving the packet from the first external device.

According to various embodiments, the first flag includes information indicating that the wearable device is in a lost state, and a fourth external device (eg, a second electronic device ( 220)) may transmit a signal including location information of the wearable device to the server.

According to various embodiments, the second flag causes a fourth external device (eg, the second electronic device 220 ) that has received the second advertising packet including the second flag to say the It may cause confirmation of the loss history of the wearable device.

According to various embodiments, the electronic device (eg, the first electronic device 210 ) may include a first communication module 211 for performing Bluetooth communication with an external device; a second communication module 212 for communicating with the server 250; and a processor 215 , wherein the processor controls the first communication module to receive a first packet from a first wearable device (eg, the wearable device 240 ), and the received first packet controls the second communication module to transmit a first signal including information on an ID (Identification) of the first wearable device to the server based on Set to control the second communication module to transmit a second signal including information indicating that the first wearable device is in a lost state to the server based on the lapse of a preset time after receiving it through the first communication module can

According to various embodiments, the processor controls the first communication module to receive a second packet from a second wearable device (eg, a wearable device of the same type as the wearable device 240 ), and the received Based on the second packet, it may be configured to control the second communication module to transmit a third signal including the location information of the second wearable device to the server.

According to various embodiments, the second packet may include information indicating that the second wearable device is in a lost state.

According to various embodiments, the processor controls the first communication module to receive a third packet from a second wearable device (eg, a wearable device of the same type as the wearable device 240), and the received Based on the third packet, it may be configured to control the second communication module to transmit a fourth signal requesting an inquiry of the loss history of the second wearable device to the server.

According to various embodiments, the processor is, based on receiving a fifth signal indicating that the second wearable device is in a lost state from the server, a sixth signal including information on the location of the second wearable device may be configured to control the second communication module to transmit to the server.

According to various embodiments, the processor is, based on receiving a fifth signal indicating that the second wearable device is in a lost state from the server, the advertising packet that the second wearable device includes a missing flag It may be configured to control the first communication module to transmit a fourth packet requesting to broadcast to the second wearable device.

According to various embodiments, the operating method of the wearable device 240 is performed from a first external device (eg, the first electronic device 210 ) through a communication module (eg, the communication module 190 ). receiving a first packet; storing information on an ID (Identification) of the first external device in a memory based on the received first packet; broadcasting, through the communication module, a first advertising packet including a first flag, based on checking the loss condition of the wearable device; and based on receiving, from a second external device (eg, the third electronic device 1130 ), a second packet including information on an ID different from the ID of the first external device, the communication module Through this, the operation of broadcasting the second advertising packet including the second flag may be included.

According to various embodiments, the method includes, based on receiving a third packet requesting transmission of the first flag from a third external device (eg, the third electronic device 830), the communication module The method may further include broadcasting a third advertising packet including the first flag through .

According to various embodiments, the method may include checking the loss condition based on the lapse of a preset time after receiving the packet from the first external device.

According to various embodiments of the present disclosure, a method of operating the electronic device 210 may include: receiving a first packet from a first wearable device (eg, the wearable device 240 ) through the first communication module 211 ; transmitting a first signal including information on ID (Identification) of the first wearable device to the server 250 through the second communication module 212 based on the received first packet; and information indicating that the first wearable device is in a lost state through the second communication module based on the lapse of a preset time after receiving the packet transmitted from the first wearable device through the first communication module It may include the operation of transmitting the included second signal to the server.

According to various embodiments, the method may include: receiving a second packet from a second wearable device (eg, a wearable device of the same type as the wearable device 240 ) through the first communication module; and transmitting a third signal including location information of the second wearable device to the server through the second communication module based on the received second packet.

According to various embodiments of the present disclosure, the method may include: receiving a third packet from a second wearable device (eg, a wearable device of the same type as the wearable device 240 ) through the first communication module; and transmitting, through the second communication module, a fourth signal requesting inquiry of the loss history of the second wearable device to the server based on the received third packet.

The electronic device according to various embodiments disclosed in this document may have various types of devices. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

The various embodiments of this document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, but it should be understood to include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. As used herein, "A or B", "at least one of A and B", "at least one of A or B", "A, B or C", "at least one of A, B and C", and "A , B, or C" each may include any one of the items listed together in the corresponding one of the phrases, or all possible combinations thereof. Terms such as “first”, “second”, or “first” or “second” may simply be used to distinguish an element from other such elements, and may refer elements to other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is "coupled" or "connected" to another (eg, second) component, with or without the terms "functionally" or "communicatively". When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.

The term “module” used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logic block, component, or circuit. can be used as A module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions. For example, according to an embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present document include one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101). may be implemented as software (eg, the program 140) including For example, the processor (eg, the processor 120 ) of the device (eg, the electronic device 101 ) may call at least one of the one or more instructions stored from the storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the called at least one command. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.

According to one embodiment, the method according to various embodiments disclosed in this document may be provided in a computer program product (computer program product). Computer program products may be traded between sellers and buyers as commodities. The computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store (eg Play Store™) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly, online between smartphones (eg: smartphones). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a memory of a relay server.

According to various embodiments, each component (eg, a module or a program) of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. have. According to various embodiments, one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. , or one or more other operations may be added.

Claims

In the wearable device,

a communication module for performing Bluetooth communication with an external device;

Memory; and

A processor comprising:

controlling the communication module to receive a first packet from a first external device,

Based on the received first packet, controlling the memory to store information about the ID (Identification) of the first external device,

When checking the loss condition of the wearable device, controlling the communication module to broadcast a first advertising packet (Advertising Packet) including a first flag (flag),

When receiving a second packet including information on an ID different from the ID of the first external device from the second external device, based on the second packet, a second advertisement including a second flag A wearable device configured to control the communication module to broadcast a packet.
The method of claim 1,

The processor is

When receiving a third packet requesting transmission of the first flag from a third external device, the communication module is configured to broadcast a third advertising packet including the first flag. A wearable device set up to control
The method of claim 1,

The processor is

The wearable device is configured to check the loss condition based on the lapse of a preset time after receiving the packet from the first external device.
The method of claim 1,

The first flag includes information indicating that the wearable device is in a lost state,

The fourth external device receiving the packet including the first flag transmits a signal including location information of the wearable device to the server.
The method of claim 1,

The second flag causes a fourth external device that has received the second advertising packet including the second flag to check the loss history of the wearable device.
A method of operating a wearable device, comprising:

receiving a first packet from a first external device through the communication module;

storing information on an ID (Identification) of the first external device in a memory based on the received first packet;

broadcasting, through the communication module, a first advertising packet including a first flag, based on checking the loss condition of the wearable device; and

Based on receiving, from a second external device, a second packet including information on an ID different from the ID of the first external device, a second advertisement including a second flag through the communication module A method comprising broadcasting a packet.
7. The method of claim 6,

On the basis of receiving a third packet requesting transmission of the first flag from a third external device, a third advertising packet including the first flag is performed through the communication module. ), the method further comprising the operation of broadcasting.
7. The method of claim 6,

and checking the loss condition based on the lapse of a preset time after receiving the packet from the first external device.
7. The method of claim 6,

The first flag includes information indicating that the wearable device is in a lost state,

The fourth external device receiving the packet including the first flag transmits a signal including location information of the wearable device to the server.
7. The method of claim 6,

The second flag causes a fourth external device that has received the second advertising packet including the second flag to check the loss history of the wearable device.