WO2022164048A1 - Electronic device and method for transmitting location information on basis of privacy protection in electronic device - Google Patents

Abstract

According to various embodiments, an electronic device may comprise a communication module, a memory, and a processor, wherein the processor is configured to perform control to: identify whether loss occurs, on the basis of a state of communication connection with an external electronic device; broadcast, on the basis of the identification of loss, a first Bluetooth-based advertising packet including a location information request message for requesting location information from at least one neighboring external electronic device through the communication module; receive location information of each of the at least one neighboring external electronic device in response to the first Bluetooth-based advertising packet; obtain location information of the electronic device on the basis of the received location information of each of the at least one neighboring external electronic device; encrypt the location information of the electronic device; and broadcast a second Bluetooth-based advertising packet including the encrypted location information of the electronic device. Other embodiments may also be possible.

Description

An electronic device and a method of transmitting location information based on privacy protection in an electronic device

Various embodiments relate to an electronic device and a method for transmitting location information in the electronic device.

A variety of electronic devices are being provided to users, and the user can access various contents while carrying various electronic devices. Such an electronic device may be connected using a wireless network technology for connection with an external device, and may provide extended functions by being connected to the external electronic device. For example, the electronic device may be connected to an external electronic device using a Bluetooth network technology among various wireless network interfaces, and may perform various functions while exchanging data through Bluetooth communication.

For example, electronic devices may have various topologies such as 1:1, 1:N, or N:N, and may connect Bluetooth communication to each other. In the case of 1:1 connection, the electronic device (eg, the first electronic device) and the external electronic device (eg, the second electronic device) may be connected based on Bluetooth legacy or BLE, and a controller (controller) ( Alternatively, it may operate as one of a master (master) or a controllee (or a slave).

A user possesses an electronic device (eg, a first electronic device or owner device) and another electronic device (eg, a second electronic device or a lightweight device), connects the two devices through Bluetooth communication, and uses one electronic device ( Example: the second electronic device) may be lost. The first electronic device and the second electronic device may be connected to each other through a scan, a response, and a connection operation through Bluetooth communication in a short distance, and the first electronic device due to the loss of the second electronic device If the distance between the and the second electronic device is out of the specified distance, it may be difficult to perform a Bluetooth communication-based function. For example, the second electronic device is a wearable device (or a lightweight electronic device, a small electronic device, or an electronic device capable of Bluetooth communication with the electronic device) (eg, an ear microphone, a headset, a smart watch, or other Bluetooth communication devices with the first electronic device) possible other electronic device), and may be difficult to find if lost. Also, when the second electronic device is lost, it may be searched for, connected to, and stolen by another electronic device of another user.

According to various embodiments, when a second electronic device performing a function through a Bluetooth-based connection with the first electronic device is lost, the second electronic device (or lost device) acquires its location information, Its location information may be provided to the first electronic device through the third electronic device (or reporting device) and the server.

According to various embodiments, when the third electronic device (or a reporting device) receives location information of the second electronic device from the second electronic device (or a lost device), based on a specified privacy protection condition By transmitting the location information of the second electronic device to the server, the location information of the second electronic device may be transmitted to the first electronic device (or owner device) through the server while protecting the privacy of the third electronic device.

According to various embodiments, the electronic device (eg, the second electronic device) includes a communication module, a memory, and a processor, and the processor is configured to be configured based on a communication connection state with an external electronic device (eg, the first electronic device). First Bluetooth including a location information request message for checking whether or not lost and requesting location information to at least one external electronic device (eg, a fourth electronic device) nearby through the communication module based on the loss confirmation Broadcast a base advertising packet, receive each location information of at least one external electronic device in the vicinity in response to the first Bluetooth-based advertising packet, Second Bluetooth-based advertising including obtaining location information of the electronic device based on each location information of the external electronic device, encrypting the location information of the electronic device, and including the encrypted location information of the electronic device It can be set to control to broadcast a packet.

According to various embodiments, an electronic device (eg, a third electronic device) includes a communication module, a memory, and a processor, and the processor is configured to, when receiving a Bluetooth-based advertising packet through the communication module, the Bluetooth-based Check the location information of the encrypted lost electronic device (eg, the second electronic device) included in the advertising packet, check the location information delivery condition of the designated lost device, and check the location information of the designated lost device through the communication module It may be configured to transmit the encrypted location information of the lost electronic device to an external server based on the location information delivery condition.

According to various embodiments of the present disclosure, the method for transmitting location information based on privacy protection in an electronic device (eg, the second electronic device) includes an operation of checking whether or not it is lost based on a communication connection state with an external electronic device (eg, the first electronic device) , a first Bluetooth-based advertising including a location information request message for requesting location information to at least one external electronic device (eg, a fourth electronic device) nearby through the communication module based on the loss confirmation Broadcasting a packet, receiving location information of each of the at least one external electronic device in the vicinity in response to the first Bluetooth-based advertising packet, the received at least one external electronic device in the vicinity An operation of obtaining the location information of the electronic device based on the respective location information of the device, and the second Bluetooth-based advertising including encrypting the location information of the electronic device and including the encrypted location information of the electronic device It may include broadcasting a packet.

According to various embodiments, a method of transmitting location information of a privacy protection-based lost electronic device (eg, a second electronic device) from an electronic device (eg, a third electronic device) includes receiving a Bluetooth-based advertising packet , the operation of checking the encrypted location information of the lost electronic device included in the Bluetooth-based advertising packet, the operation of checking the location information delivery condition of the designated lost device, and the location of the designated lost device through a communication module and transmitting the encrypted location information of the lost electronic device to an external server based on the information delivery condition.

According to various embodiments, in a non-volatile storage medium storing instructions, the instructions are configured to cause the at least one processor to perform at least one operation when executed by the at least one processor. The operation includes: an operation of confirming whether the device is lost based on a communication connection state with the external electronic device; Broadcasting a first Bluetooth-based advertising packet including a message, and receiving location information of at least one external electronic device in the vicinity in response to the first Bluetooth-based advertising packet , obtaining location information of the electronic device based on the received location information of at least one external electronic device in the vicinity, and encrypting the location information of the electronic device, and the encrypted location of the electronic device and broadcasting a second Bluetooth-based advertising packet including information.

According to various embodiments, in a non-volatile storage medium storing instructions, the instructions are configured to cause the at least one processor to perform at least one operation when executed by the at least one processor. The operation includes: receiving a Bluetooth-based advertising packet; confirming the encrypted location information of the lost electronic device included in the Bluetooth-based advertising packet; and confirming a specified lost device location information delivery condition and transmitting, through a communication module, the encrypted location information of the lost electronic device to an external server based on a delivery condition of the designated location information of the lost device.

According to various embodiments, when the first electronic device (or owner device) and the second electronic device performing a function through a Bluetooth-based connection are lost, the second electronic device (or lost device) acquires its own location information and to provide its location information to a third electronic device (or a reporting device).

According to various embodiments, when the third electronic device (or a reporting device) receives location information of the second electronic device from the second electronic device (or a lost device), based on a specified privacy protection condition By transmitting the location information of the second electronic device to the server, the location information of the second electronic device may be transmitted to the first electronic device (or owner device) through the server while protecting the privacy of the third electronic device.

According to various embodiments, when the server receives location information of a second electronic device (or a lost device) from a third electronic device (or a reporting device), from the first electronic device (or owner device) By providing the location information according to whether or not the request is made, the location information of the second electronic device may be provided when the owner desires it.

Effects obtainable in the present disclosure are not limited to the above-mentioned effects, and other effects not mentioned may be clearly understood by those of ordinary skill in the art to which the present disclosure belongs from the description below. will be.

1 is a block diagram of an electronic device in a network environment according to an exemplary embodiment.

2 is a diagram illustrating a first electronic device and a second electronic device according to an exemplary embodiment.

3 is a diagram illustrating a first electronic device, a second electronic device, a third electronic device, a fourth electronic device, and a server according to an exemplary embodiment.

4A and 4B are flowcharts illustrating operations of a first electronic device, a second electronic device, a third electronic device, a fourth electronic device, and a server according to an exemplary embodiment.

5 is a block diagram illustrating a second electronic device according to an exemplary embodiment.

6 is a flowchart illustrating an operation of a second electronic device according to an exemplary embodiment.

7 is a block diagram illustrating a third electronic device according to an exemplary embodiment.

8 is a flowchart illustrating an operation of a third electronic device according to an exemplary embodiment.

9 is a block diagram illustrating a server according to an embodiment.

10 is a flowchart illustrating an operation of a server according to an embodiment.

11 is a diagram for explaining a remote Bluetooth-based advertising packet according to an embodiment.

In connection with the description of the drawings, the same or similar reference numerals may be used for the same or similar components.

Terms used in this document are only used to describe specific embodiments, and may not be intended to limit the scope of other embodiments. The singular expression may include the plural expression unless the context clearly dictates otherwise. All terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by one of ordinary skill in the art of the present invention. Commonly used terms defined in the dictionary may be interpreted as having the same or similar meaning as the meaning in the context of the related art, and unless explicitly defined in this document, are not interpreted in an ideal or excessively formal meaning . In some cases, even terms defined in this document cannot be construed to exclude embodiments of the present invention.

1 is a block diagram of an electronic device 101 in a network environment 100 according to an embodiment.

Referring to FIG. 1 , in a network environment 100 , the electronic device 101 communicates with the 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, the 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 the volatile memory 132 , and may 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 graphics 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 of the electronic device 101 (eg, the processor 120 or the sensor module 176 ). The data may include, for example, input data or output data for software (eg, 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 in 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 (or display) 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 ) directly or wirelessly connected to 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, 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 designated 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, : LAN (local area network) communication module, or a power line communication module) may be included. 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 the 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 is a 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 communications)). The wireless communication module 192 may support a high frequency band (eg, mmWave band) in order 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. Technologies such as full dimensional MIMO (FD-MIMO), array antenna, analog beam-forming, or large scale antenna may be supported. The wireless communication module 192 may support various requirements specified 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 provide a peak data rate (eg, 20 Gbps or more) for realizing 1eMBB, loss coverage for realizing mMTC (eg, 164 dB or less), or U-plane latency for realizing URLLC ( Example: Downlink (DL) and uplink (UL) may support 0.5 ms or less, or 1 ms or less round trip respectively).

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, underside) 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 ( eg 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 is 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 is a diagram illustrating a first electronic device and a second electronic device according to an exemplary embodiment.

Referring to FIG. 2 , a first electronic device (eg, the electronic device 101 of FIG. 1 ) and a second electronic device (eg, the electronic device 102 of FIG. 1 ) according to an embodiment are connected through a Bluetooth-based communication connection. function can be performed through

According to an embodiment, the first electronic device 101 may be an owner device and the second electronic device 102 may be a lightweight device. For example, the first electronic device 101 and the second electronic device 102 may perform a Bluetooth communication-based function (eg, a music playback function, a biosignal sensing function, a phone function, or other function that can be linked through a Bluetooth connection). can be performed. According to an embodiment, the first electronic device 101 and the second electronic device 102 may be connected to each other through a scan, a response, and a connection operation through Bluetooth communication in a short distance. According to an embodiment, the second electronic device 102 may be one of the external electronic devices 20 of the electronic device 101 . For example, the electronic device 101 may be a smart phone, and each of the external electronic devices 20 may be a wearable device. For example, the wearable device may include a second electronic device (wireless earphones 102 and 112 ), a smart watch 114 , a wireless headset 116 , or other devices connectable to the electronic device through Bluetooth communication. . According to an embodiment, the first electronic device 101 may perform a Bluetooth (or Bluetooth legacy) communication connection through pairing with the second electronic device 102 . According to an embodiment, the first electronic device 101 may share authentication information (eg, an authentication key) during Bluetooth pairing with the second electronic device 102 .

According to an embodiment, when the distance between the first electronic device 101 and the second electronic device 102 is out of a specified distance due to the loss of the second electronic device 102 , it may be difficult to perform a Bluetooth communication-based function. For example, the second electronic device 102 may be a lightweight (or small) electronic device, it may be difficult to find when Bluetooth communication is difficult, and may be searched for and connected to and stolen by another electronic device of another user. .

According to an embodiment, the second electronic device 102 may check whether its own is lost, and when the loss is confirmed, through Bluetooth communication with at least one nearby electronic device (eg, a fourth electronic device) (not shown) It is possible to obtain its own location information (location information of the second electronic device 102 ) and transmit the encrypted location information of the second electronic device 102 to a third electronic device (or a reporting device). . The encrypted location information of the second electronic device 102 may be transmitted to the server through the third electronic device, and the encrypted location information of the second electronic device 102 may be transmitted to the first electronic device 101 through the server. can be transmitted.

3 is a diagram illustrating a first electronic device, a second electronic device, a third electronic device, a fourth electronic device, and a server according to an exemplary embodiment.

Referring to FIG. 3 , a first electronic device 101 according to an embodiment may be a device capable of performing a function through a Bluetooth-based connection with the second electronic device 102 . The first electronic device 101 according to an embodiment may store the shared authentication information in the memory 130 during a Bluetooth-based connection (eg, pairing) with the second electronic device 102 . According to an embodiment, the first electronic device 101 may check whether the second electronic device 102 is lost, and when the loss of the second electronic device 102 is confirmed, the second electronic device 102 is sent to the server 300 . ) of the location information request message can be transmitted. For example, the first electronic device 101 according to an embodiment may check whether the second electronic device 102 is lost based on a communication connection failure with the second electronic device 102 for a specified time period. According to an embodiment, the first electronic device 101 and the second electronic device 102 are connected to the second electronic device 102 based on a communication connection failure during a specified time period and the remaining battery level of the second electronic device 120 . You can check if it is lost. According to an embodiment, when Bluetooth pairing with the second electronic device 102 is not performed for more than a specified time after the first electronic device 101 requests a Bluetooth connection from the second electronic device 102 , the second electronic device 102 . can be identified as missing. According to an embodiment, after the first electronic device 101 requests a Bluetooth connection from the second electronic device 102 (via the remaining battery power of the second electronic device 102 acquired during the previous connection), the second electronic device 102 ), and if Bluetooth pairing with the second electronic device 102 is not performed for a specified time or longer, it may be confirmed that the second electronic device 102 is lost. According to an embodiment, the first electronic device 101 performs Bluetooth pairing with the second electronic device 102 for a specified time or longer after a Bluetooth connection request is made while the second electronic device 102 is taken out of the case (not shown). If it is not performed, it may be confirmed that the second electronic device 102 is lost. According to an embodiment, the first electronic device 101 may determine that the second electronic device 102 is lost based on a user input (an input indicating that the device has been lost). The first electronic device 101 according to an embodiment automatically transmits a location information request message of the second electronic device to the server 300 upon confirmation of loss, or provides information to the server 300 based on a user input after confirmation of loss. 2 The location information request message of the electronic device may be transmitted. According to an embodiment, the first electronic device 101 transmits a message notifying the loss state of the second electronic device instead of the location information request message of the second electronic device, so that the server 300 enables the second electronic device 102 to It is possible to confirm the lost state and obtain location information of the second electronic device 102 . According to an embodiment, the first electronic device 101 transmits information related to acquisition of location information of the second electronic device 102 (or information related to loss of the second electronic device 102 ) to the server 300 . can For example, information related to the loss of the second electronic device 102 may include an ID of the second electronic device 102 , a lost (or estimated loss) location of the second electronic device 102 , and the second electronic device 102 . It may include surrounding information collected during a loss (or estimated loss) time of the second electronic device 102 or a predetermined time period before and after the loss of the second electronic device 102 (eg, several seconds, minutes, or hours). For example, the information related to the loss of the second electronic device 102 includes, in addition to the above information, whether the second electronic device 102 is lost, information related to the location of the loss, and any information collected at the time of loss. may also be included.

The second electronic device 102 according to an embodiment may check whether it is lost. According to an embodiment, the second electronic device 102 may check whether it is lost based on a communication connection state with the first electronic device 102 , a charging state, and/or a remaining battery level. For example, if the second electronic device 102 is not paired with the first electronic device 101 for a specified time period (eg, 24 hours) or more or the pairing fails, the second electronic device 102 confirms that the second electronic device 102 is in a lost state. can As another example, when charging is not performed for a specified time period (eg, 24 hours) or more, the second electronic device 102 may determine that the second electronic device 102 is in a lost state. As another example, in the second electronic device 102 , the battery charge amount is less than or equal to the specified amount of charge (eg, 5% of the total amount of the battery) or the battery charge is less than or equal to the specified amount of charge for a specified period of time (eg, 2 hours) or longer. If it continues for a while, it may be confirmed that the second electronic device 102 is in a lost state. The second electronic device 102 according to an embodiment may enter a lost mode (or a location tracking mode) based on the confirmation of the lost state. The second electronic device 102 according to an embodiment requests location information for requesting location information from at least one external electronic device (eg, the fourth electronic device 304 ) nearby based on the confirmation of the lost state. A Bluetooth-based advertising packet (eg, a first Bluetooth-based advertising packet) including a message may be broadcast. For example, the second electronic device 102 includes an advertising packet including a location information request message in AD Data of a Manufacturer Specific Data Type area among areas of the Bluetooth-based advertising packet. can create

The second electronic device 102 according to an exemplary embodiment responds to the location information request message to at least one nearby external electronic device (eg, the fourth electronic device 304 , the fifth electronic device 305 , and/or At least one response message may be received from the sixth electronic device 306 . Each response message according to an embodiment is a location of at least one external electronic device (eg, the fourth electronic device 304 , the fifth electronic device 305 , and/or the sixth electronic device 306 ) in the vicinity. It may be a Bluetooth-based response message including information. The second electronic device 102 according to an embodiment may acquire the location information of the second electronic device 102 based on the location information of each of at least one external electronic device in the vicinity included in the at least one response message. have.

For example, when the first response message is received from the fourth electronic device 304 , the second electronic device 102 transmits location information of the fourth electronic device 304 included in the first response message to the second electronic device 102 . The distance between the second electronic device 102 and the fourth electronic device 304 is checked using the location information of the device 102 , the reception strength of a signal received from the fourth electronic device 304 , or a sensor and the location information of the second electronic device 102 may be obtained using the distance between the second electronic device 102 and the fourth electronic device 304 and the location information of the fourth electronic device.

As another example, when the second electronic device 102 receives the first response message from the fourth electronic device 304 and receives the second response message from the fifth electronic device 305 , the second electronic device 102 responds to the first response message. Among the included location information of the fourth electronic device 304 and the location information of the fifth electronic device 305 included in the second response message, location information of a signal having a high signal strength is set as the location information of the second electronic device 102 . of the second electronic device 102 and the fourth electronic device 304 using the reception strength of each of the signals obtained by The distance and the distance between the second electronic device 102 and the fifth electronic device 305 are checked, and the distance between the second electronic device 102 and the fourth electronic device 304 and the second electronic device 102 and the second electronic device 304 are checked. The location information of the second electronic device 102 may be obtained by using the distance of the fifth electronic device 305 , the location information of the fourth electronic device 304 , and the location information of the fifth electronic device 305 .

As another example, in the second electronic device 102 , the first response message is received from the fourth electronic device 304 , the second response message is received from the fifth electronic device 305 , and the sixth electronic device When the third response message is received from 306 , location information of the fourth electronic device 304 included in the first response message, location information of the fifth electronic device 305 included in the second response message, and a third Among the location information of the sixth electronic device 306 included in the response message, location information of a signal having a high signal strength is acquired as location information of the second electronic device 302 , or the fourth electronic device 304 or the fifth electronic device The reception strength of each of the signals received from the device 305 and the sixth electronic device 306, or the distance between the second electronic device 102 and the fourth electronic device 104 using the sensor, the second electronic device ( 102 ) and the fifth electronic device 305 , and the second electronic device 102 and the sixth electronic device 306 , and the distance between the second electronic device 102 and the fourth electronic device 304 is checked. distance, the distance between the second electronic device 102 and the fifth electronic device 305 , the distance between the second electronic device 102 and the sixth electronic device 306 , the location information of the fourth electronic device 304 , the fifth The location information of the second electronic device 102 may be acquired using the location information of the electronic device 305 and the location information of the sixth electronic device 306 . For example, the second electronic device 102 may be configured to receive location information from a larger number of neighboring electronic devices in addition to the fourth to sixth electronic devices 304-306 based on the respective location information received by the second electronic device 102 . It is also possible to obtain location information of

According to an embodiment, the second electronic device 102 encrypts the obtained location information of the second electronic device 102 and provides a Bluetooth-based advertisement including the encrypted location information of the second electronic device 102 . A Jing packet (eg, a second Bluetooth-based advertising packet) may be broadcast. For example, the second electronic device 102 provides location information of the second electronic device 102 encrypted in AD Data of a Manufacturer Specific Data Type area among areas of the Bluetooth-based advertising packet. You can create an advertising packet that includes

When the third electronic device 303 according to an embodiment is located in the vicinity of the second electronic device 102 , the second Bluetooth-based advertising packet includes encrypted location information of the second electronic device 102 . can receive When the second Bluetooth-based advertising packet is received, the third electronic device 303 according to an embodiment may check whether a lost device tracking function (or a lost device location information transfer function) is activated. The third electronic device 303 according to an embodiment may ignore the received second Bluetooth-based advertising packet when the lost device tracking function is deactivated (lost device tracking function is turned off or lost device tracking function is checked). . The third electronic device 303 according to an embodiment may check a specified privacy protection condition when the lost device tracking function is activated (the lost device tracking function is turned on or the lost device tracking function is checked). According to an embodiment, the specified privacy protection condition is the third electronic device 302 when the location information of the lost device (eg, encrypted location information of the second electronic device 102) obtained from the third electronic device 303 is delivered. It may include a condition for preventing the exposure of private information associated with it. According to an embodiment, the specified privacy protection condition may include a location information delivery condition of the lost device in the third electronic device 303 . For example, the condition for transmitting location information of the lost device in the third electronic device 303 may be designated by a user input as a condition for preventing exposure of private information associated with the third electronic device 303 . have. According to an embodiment, the location information delivery condition of the lost device may include a delivery time of the location information of the lost device and/or an area (location) of the location information delivery of the lost device. For example, the third electronic device 303 may transmit the location information of the designated lost device during a time period (eg, 9:00 am to 11:00 am, 12:00 pm to 18:00 pm, or 9:00 am to 18:00 pm). It may be set to transmit the encrypted location information of the second electronic device 102 to the server 300 . For example, the third electronic device 303 transmits the encrypted location information of the second electronic device 102 at a location capable of delivering location information of the designated lost device (eg, a company, a neighborhood, a bus stop, or a designated public place). It may be set to be delivered to the server 300 . According to an embodiment, the third electronic device 303 may designate or recommend the location information delivery condition of the lost device by learning based on the location information delivery experience of the lost device. For example, when the third electronic device 303 transmits the location information of the lost device a large number of times between 9:00 AM and 11:00 AM, the time zone between 9:00 AM and 11:00 AM is designated as the location information delivery condition of the electronic device. or you can recommend. For example, when the number of times that the location information of the lost device is transmitted in the designated public place, the third electronic device 303 may designate or recommend the designated public place as the location information delivery condition of the electronic device.

According to an embodiment, the third electronic device 303 may transmit the encrypted location information of the second electronic device 302 to the server 300 based on the location information delivery condition of the lost device. For example, the third electronic device 303 may transmit the encrypted location information of the second electronic device 102 to the server 300 through a secure communication channel (or secure communication protocol) with the server 300 .

The server 300 according to an embodiment may receive encrypted location information of the second electronic device 102 from the third electronic device 303 . The server 300 according to an embodiment may store and manage the location information of the second electronic device 102 by decrypting the encrypted location information of the second electronic device 102 . According to an embodiment, the server 300 checks the loss report or the location information request of the first electronic device 101 for the second electronic device 102 , and sends the second electronic device ( 102) can be transmitted.

4A and 4B are flowcharts illustrating operations of a first electronic device, a second electronic device, a third electronic device, a fourth electronic device, and a server according to an exemplary embodiment.

Referring first to FIG. 4A , in operation 412 , the first electronic device 101 according to an embodiment may transmit a location information request message of the second electronic device 102 to the server 300 . According to an embodiment, the first electronic device 101 automatically transmits a location information request message of the second electronic device 102 to the server 300 upon confirmation of the loss, or based on a user input after confirming the loss, the server 300 ) to transmit the location information request message of the second electronic device 102 . According to an embodiment, the first electronic device 101 transmits a message notifying the loss state of the second electronic device 102 instead of the location information request message of the second electronic device 102 so that the server 300 sends the second electronic device 102 . It is possible to confirm that the electronic device 102 is in a lost state, and to obtain location information of the second electronic device 102 . According to an embodiment, the first electronic device 101 transmits information related to acquisition of location information of the second electronic device 102 (or information related to loss of the second electronic device 102 ) to the server 300 . can For example, information related to the loss of the second electronic device 102 may include an ID of the second electronic device 102 , a lost (or estimated loss) location of the second electronic device 102 , and the second electronic device 102 . It may include surrounding information collected during a loss (or estimated loss) time of the second electronic device 102 or a predetermined time interval (eg, several seconds, minutes, or hours) before and after the loss of the second electronic device 102 . For example, the information related to the loss of the second electronic device 102 includes, in addition to the above information, whether the second electronic device 102 is lost, information related to the location of the loss, and any information collected at the time of loss. may also be included. The server 300 according to an embodiment may be configured to request a lost state of the second electronic device 102 and a requested location information from the first electronic device 101 based on the reception of the location information request message of the second electronic device 102 . You can check the status.

In operation 414 , the second electronic device 102 according to an embodiment may check whether itself (the second electronic device 102 ) is lost. According to an embodiment, the second electronic device 102 may check whether it is lost based on a communication connection state with the first electronic device 102 , a charging state, and/or a remaining battery level. For example, if the second electronic device 102 is not paired with the first electronic device 101 for a specified time period (eg, 24 hours) or more or the pairing fails, the second electronic device 102 confirms that the second electronic device 102 is in a lost state. can As another example, when charging is not performed for a specified time period (eg, 24 hours) or more, the second electronic device 102 may determine that the second electronic device 102 is in a lost state. As another example, in the second electronic device 102 , the battery charge amount is less than or equal to the specified amount of charge (eg, 5% of the total amount of the battery) or the battery charge is less than or equal to the specified amount of charge for a specified period of time (eg, 2 hours) or longer. If it continues for a while, it may be confirmed that the second electronic device 102 is in a lost state.

In operation 416 , the second electronic device 102 according to an exemplary embodiment includes at least one peripheral external electronic device (eg, the fourth electronic device 304 , the fifth electronic device 305 , and/or the sixth electronic device). A first Bluetooth-based advertising packet including a location information request message for requesting location information to the device 306 (hereinafter, an example in which a nearby external electronic device is the fourth electronic device 304) is described. can be broadcast. For example, the second electronic device 102 may enter a lost mode (or location tracking mode) based on the loss confirmation, and the first Bluetooth device including a location information request message for requesting location information in the lost mode It can broadcast a base advertising packet. For example, the second electronic device 102 includes a first Bluetooth-based advertisement including a location information request message in AD Data of a Manufacturer Specific Data Type area among areas of the Bluetooth-based advertising packet. Can generate a vertising packet

In operation 418 , the second electronic device 102 according to an embodiment receives the at least one external device from the at least one external electronic device (eg, the fourth electronic device 304 ) in the vicinity in response to the location information request message. Location information of each electronic device (eg, location information of the fourth electronic device 304) may be received.

In operation 420 , the second electronic device 102 according to an embodiment performs the second electronic device based on location information (eg, location information of the fourth electronic device 304 ) of each of at least one external electronic device nearby. It is possible to obtain the location information of (102). For example, the location information of the fourth electronic device 304 according to an embodiment may be included in a response message in response to the first Bluetooth-based advertising packet. For example, the second electronic device 102 obtains the location information of the fourth electronic device 304 as the location information of the second electronic device 102 or receives a signal received from the fourth electronic device 304 . The distance between the second electronic device 102 and the fourth electronic device 304 is checked using the intensity or the sensor, and the distance between the second electronic device 102 and the fourth electronic device 304 and the fourth electronic device Location information of the second electronic device 102 may be acquired using the location information of 304 . For example, the second electronic device 102 acquires the location information of the second electronic device 102 based on receiving each location information from a larger number of surrounding external electronic devices in addition to the fourth electronic device 304 . You may.

In operation 422 , the second electronic device 102 according to an embodiment may encrypt the obtained location information of the second electronic device 102 . For example, the second electronic device 102 may encrypt the location information of the second electronic device 102 using a shared key when pairing with the first electronic device 101 .

In operation 424 , the second electronic device 102 according to an embodiment may broadcast a second Bluetooth-based advertising packet including the encrypted location information of the second electronic device 102 . For example, the second electronic device 102 provides location information of the second electronic device 102 encrypted in AD Data of a Manufacturer Specific Data Type area among areas of the Bluetooth-based advertising packet. It is possible to generate a second Bluetooth-based advertising packet including

Referring to FIG. 4B , in operation 426 , which is an operation following operation 424 , the third electronic device 303 according to an embodiment receives the second Bluetooth-based advertising packet and receives the second Bluetooth-based advertising packet. location information of the encrypted second electronic device 102 included in the .

In operation 428 , the third electronic device 303 according to an embodiment may determine whether a lost device tracking function (or a lost device location information transfer function) is activated. The third electronic device 303 according to an embodiment has a lost device tracking function (or lost device) based on checking the encrypted location information of the second electronic device 102 included in the second Bluetooth-based advertising packet. location information transmission function) is activated. The third electronic device 303 according to an embodiment may ignore the received second Bluetooth-based advertising packet when the lost device tracking function is deactivated (lost device tracking function is turned off or lost device tracking function is checked). .

In operation 430 , the third electronic device 303 according to an embodiment may check the location information delivery condition of the designated lost device. When the lost device tracking function is activated (lost device tracking function is on or lost device tracking function is checked), the third electronic device 303 according to an embodiment may check a condition for delivering location information of a designated lost device. For example, the condition for transmitting location information of the lost device in the third electronic device 303 is a condition for preventing exposure of private information associated with the third electronic device 303 , such as a user input or a third electronic device (303) can be specified by learning. According to an embodiment, the location information delivery condition of the lost device may include a delivery time of the location information of the lost device and/or an area (location) of the location information delivery of the lost device. For example, the third electronic device 303 may transmit the location information of the designated lost device during a time period (eg, 9:00 am to 11:00 am, 12:00 pm to 18:00 pm, or 9:00 am to 18:00 pm). It may be set to transmit the encrypted location information of the second electronic device 102 to the server 300 . For example, the third electronic device 303 transmits the encrypted location information of the second electronic device 102 at a location capable of delivering location information of the designated lost device (eg, a company, a neighborhood, a bus stop, or a designated public place). It may be set to be delivered to the server 300 . According to an embodiment, the third electronic device 303 may designate or recommend the location information delivery condition of the lost device by learning based on the location information delivery experience of the lost device. For example, when the third electronic device 303 transmits the location information of the lost device a large number of times between 9:00 AM and 11:00 AM, the time zone between 9:00 AM and 11:00 AM is designated as the location information delivery condition of the electronic device. or you can recommend. For example, when the number of times that the location information of the lost device is transmitted in the designated public place, the third electronic device 303 may designate or recommend the designated public place as the location information delivery condition of the electronic device.

In operation 432 , the third electronic device 303 according to an embodiment may transmit the encrypted location information of the second electronic device 102 to the server 300 based on the location information delivery condition of the lost device. For example, when the third electronic device 303 satisfies the specified location information delivery condition of the lost device (eg, the location information delivery available time of the lost device or the location information delivery area (location) of the lost device), the server 300 The encrypted location information of the second electronic device 102 may be transmitted to the server 300 through a secure communication channel (or secure communication protocol) with the server 300 .

In operation 434 , the server 300 according to an embodiment may acquire location information of the second electronic device 102 . According to an embodiment, the server 300 decrypts the encrypted location information of the second electronic device 102 received from the third electronic device 303 using the key received from the first electronic device 101 to 2 It is possible to obtain location information of the electronic device 102 .

In operation 436 , the server 300 according to an embodiment may check whether the first electronic device 101 reports the loss of the second electronic device 102 or requests the location information.

In operation 438 , the server 300 according to an embodiment determines the location of the second electronic device 102 as the report of loss of the first electronic device 101 or the location information request for the second electronic device 102 is confirmed. Information may be transmitted to the first electronic device 101 . As another example, the server 300 transmits the encrypted location information of the second electronic device 102 to the first electronic device 101 , and the first electronic device 101 communicates with the second electronic device 102 . Location information of the second electronic device 102 may be obtained by decrypting the encrypted second electronic device 102 using the shared key.

5 is a block diagram illustrating a second electronic device according to an exemplary embodiment.

Referring to FIG. 5 , a second electronic device 502 (eg, the second electronic device 102 of FIG. 1 ) according to an embodiment includes a communication module (or communication circuit) 510 , an antenna 511 , and an input. Device 520 , sensor module (or sensor) 530 , audio processing module (or audio processing circuitry) 540 , memory 550 , power management module (or power management circuitry) 560 , battery 570 . and a processor 580 .

According to an embodiment, the communication module 510 may support short-range communication. The short-range communication may include, for example, wireless fidelity (WiFi), Bluetooth, near field communication (NFC), or a global navigation satellite system (GNSS). According to various embodiments, Bluetooth communication may include Bluetooth legacy (or classic) communication or BLE (bluetooth low energy) communication. According to an embodiment, the communication module 510 may support reception of audio data (or audio content) from the first electronic device 101 .

According to an embodiment, the processor 580 may check whether the second electronic device 502 is lost. According to an embodiment, the processor 580 may check whether the device is lost based on a communication connection state with the first electronic device 101 , a charging state, and/or a remaining battery level. For example, the processor 580 may determine that the second electronic device 502 is in a lost state when pairing with the first electronic device 101 is not performed or pairing fails for a specified time period (eg, 24 hours) or longer. As another example, when charging is not performed for a specified time period (eg, 24 hours) or more, the processor 580 may determine that the second electronic device 502 is in a lost state. For another example, the processor 580 may determine that the amount of charge of the battery 570 is less than or equal to a specified amount of charge (eg, 5% of the total amount of charge of the battery 570 ) or the amount of charge of the battery 570 is less than or equal to the specified amount of charge for a specified time. If it continues for more than a period (eg, 2 hours), it may be confirmed that the second electronic device 502 is in a lost state. The processor 580 according to an exemplary embodiment may be configured to perform at least one peripheral external electronic device (eg, the fourth electronic device 104 , the fifth electronic device 105 , and/or the sixth electronic device through the communication module 510 ). A first Bluetooth-based advertising packet including a location information request message for requesting location information to the device 106 may be broadcast. For example, the processor 580 may enter a lost mode (or location tracking mode) based on the confirmation of the loss, and in the lost mode, the first Bluetooth-based ad including a location information request message through the communication module 510 It is possible to control the broadcasting of the Verifying Packet.

The processor 580 according to an embodiment may include at least one peripheral external electronic device (eg, the fourth electronic device 104 ) received through the communication module 510 in response to the first Bluetooth-based advertising packet. , the fifth electronic device 105 , and/or the sixth electronic device 106 ) and respective location information (eg, the fourth electronic device 104 , the fifth electronic device 106 ) of at least one external electronic device in the vicinity. 105), and/or each location information of the sixth electronic device 106). The processor 580 according to an embodiment may include location information (eg, the fourth electronic device 104 , the fifth electronic device 105 , and/or the sixth electronic device ( Location information of the second electronic device 502 may be acquired based on the respective location information of 106 ). For example, when the processor 580 receives the location information of the fourth electronic device 104 from the fourth electronic device 104 , the processor 580 transfers the location information of the fourth electronic device 104 to that of the second electronic device 502 . The distance between the second electronic device 502 and the fourth electronic device 104 is checked using the reception strength of a signal obtained as location information or received from the fourth electronic device 104 or a sensor, and the second electronic device The location information of the second electronic device 502 may be acquired using the distance between the device 102 and the fourth electronic device 104 and the location information of the fourth electronic device. For example, the second electronic device 502 may be connected to each other from a nearby external electronic device (eg, the fifth electronic device 105 and/or the sixth electronic device 106 ) other than the fourth electronic device 104 . The location information of the second electronic device 502 may be acquired by further receiving the location information. The processor 580 according to an embodiment may encrypt the obtained location information of the second electronic device 502 . For example, the processor 580 may encrypt the location information of the second electronic device 502 using a shared key when pairing with the first electronic device 101 . The processor 580 according to an embodiment may control the communication module 510 to broadcast a second Bluetooth-based advertising packet including the encrypted location information of the second electronic device 502 . For example, the processor 580 performs the first Bluetooth-based advertising in which the location information request message is included in AD Data of a Manufacturer Specific Data Type area among areas of the Bluetooth-based advertising packet. The communication module 510 may be controlled to generate and broadcast a packet.

According to an embodiment, the input device 520 may be configured to generate various input signals required for operation of the second electronic device 502 . The input device 520 may include a touch pad, a touch panel, or a button. The touch pad may recognize a touch input using, for example, at least one of a capacitive type, a pressure sensitive type, an infrared type, and an ultrasonic type. If a capacitive touch pad is provided, physical contact or proximity recognition may be possible. The touch pad may further include a tactile layer. A touch pad including a tactile layer may provide a tactile response to a user. The button may include, for example, a physical button or an optical key. According to various embodiments, the input device 520 may generate a user input regarding turning on or off the second electronic device 502 . According to various embodiments, the input device 520 may generate a user input related to a communication (eg, Bluetooth communication) connection with the first electronic device 101 . According to an embodiment, the input device 520 may generate a user input related to audio data (or audio content). For example, the user input may relate to functions such as starting playback of audio data, pausing playback, stopping playback, adjusting playback speed, adjusting playback volume, or muting audio data. For example, the input device 520 may include a touch pad, and the operation of the second electronic device 502 may be controlled by various gestures such as tapping the touch pad or swiping up and down. can According to an embodiment, when a gesture related to a single tap is detected through the touch pad, the second electronic device 502 (or the processor 580 ) reproduces audio data or plays the audio data. You can pause. According to an embodiment, when a gesture related to two taps is detected through the touch pad, the second electronic device 502 may switch the playback to the next audio data. According to an embodiment, when a gesture related to three taps is detected through the touch pad, the second electronic device 502 may switch the playback to previous audio data. According to an embodiment, when a gesture of swiping up or down through the touch pad is detected, the second electronic device 502 may adjust the volume related to the reproduction of audio data. According to an embodiment, when a call is received by the first electronic device 101 and a gesture related to two taps is detected through the touchpad, the second electronic device 502 sends the first electronic device 101 You can connect the phone.

According to an embodiment, the sensor 530 may measure a physical quantity or detect an operating state of the second electronic device 502 . The sensor 530 may convert the measured or sensed information into an electrical signal. The sensor 530 may include, for example, an acceleration sensor, a gyro sensor, a geomagnetic sensor, a magnetic sensor, a proximity sensor, a gesture sensor, a grip sensor, or a biometric sensor. According to an embodiment, the sensor 530 detects information or a signal regarding whether the second electronic device 502 is coupled to an ear of the body or detects information or a signal regarding whether the second electronic device 502 is coupled to an external device (eg, a charging device). can do. According to an embodiment, the second electronic device 502 may further include a member for sensing corresponding to a sensor (not shown) of an external device (eg, a charging device or a cradle to which an audio electronic device is connected). For example, the second electronic device 502 may include a magnet sensed by a Hall IC installed in the external device, and when the second electronic device 502 is coupled to the external device, the Hall of the external device The IC may recognize the magnet installed in the second electronic device 502 , and output a signal related to the coupling between the external device and the second electronic device 502 . According to an embodiment, the second electronic device 502 may be powered on or off according to whether the external device and the second electronic device 502 are coupled.

According to an embodiment, the audio processing circuit 540 may support an audio data collection function. The audio processing circuit 540 may reproduce the collected audio data. According to an embodiment, the audio processing circuit 540 may include an audio decoder (not shown) and a D/A converter (not shown). The audio decoder may convert audio data stored in the memory 550 into a digital audio signal. The D/A converter may convert the digital audio signal converted by the audio decoder into an analog audio signal. According to various embodiments, the audio decoder may convert audio data received from the first electronic device 101 and stored in the memory 550 through the communication module 510 into a digital audio signal. The speaker 541 may output the analog audio signal converted by the D/A converter. According to an embodiment, the audio processing circuit 540 may include an A/D converter (not shown). The A/D converter may convert the analog voice signal transmitted through the microphone 542 into a digital voice signal. According to an embodiment, the audio processing circuit 540 may reproduce various audio data set in an operation operation of the second electronic device 502 . For example, when it is sensed that the second electronic device 502 is coupled to or detached from the ear, the audio processing circuit 540 may be designed to reproduce audio data related to the corresponding effect or guide sound. have. According to an embodiment, when it is sensed that the second electronic device 502 is coupled to an external device (eg, a charging device) or it is sensed that the second electronic device 502 is separated from the external device, the audio processing circuit 540 performs a corresponding effect or guidance. It can be designed to reproduce audio data about a sound. Output of sound effect or guide sound may be omitted according to user setting or designer's intention. According to various embodiments, the audio processing circuit 540 may be designed to be included in the processor 580 .

According to an embodiment, the memory 550 may store data or application programs and algorithms corresponding to various operating systems and various user functions required for operation of the second electronic device 502 . Memory 550 may include, for example, high-speed random access memory and/or non-volatile memory, such as one or more magnetic disk storage devices, one or more optical storage devices, and/or flash memory (eg, NAND, NOR). have. According to an embodiment, the memory 550 may include a non-volatile memory that stores the first audio data (non-volatile audio data) received from the first electronic device 101 . According to an embodiment, the memory 550 may include a volatile memory that stores the second audio data (volatile audio data) received from the first electronic device 101 .

According to an embodiment, the power management module (or power management circuit) 560 (eg, a power management integrated circuit (PMIC)) efficiently manages power usage of the battery 570 in the second electronic device 502 and can be optimized. According to an embodiment, the processor 580 may transmit a signal according to the load to be processed to the power management circuit 560 . The power management circuit 560 may adjust the power supplied to the processor 580 . According to an embodiment, the power management circuit 560 may include a battery charging circuit. According to an embodiment, when the second electronic device 502 is coupled to an external device (eg, a charging device), the power management circuit 560 may receive power from the external device to charge the battery 570 . . According to an embodiment, the power management circuit 560 may include a wireless charging circuit. The wireless charging circuit may wirelessly receive power from an external device through the antenna 541 and charge the battery 570 using the received power.

According to an embodiment, the second electronic device 502 may include a display device (not shown). The display device may be configured to provide various screen interfaces required for operation of the second electronic device 502 . The display device may provide a user interface related to the reproduction of audio data. According to various embodiments, the display device may provide a user interface related to a function of receiving audio data from the first electronic device 101 or a function of transmitting audio data to the first electronic device 101 . According to various embodiments, the display device may include a light emitting means such as a light emitting diode (LED). For example, the light emitting means may be controlled to emit a color corresponding to charging or completion of charging. For example, when the second electronic device 502 is communicatively connected to the first electronic device 101 , the light emitting means may be controlled to emit a specific color. For example, the light emitting means may be controlled to emit a specific color according to the reproduction state of the audio data (eg, during reproduction or while reproduction is paused). For example, according to a user input generated through the input device, the light emitting means may be controlled to emit a specific color.

According to an embodiment, the processor 580 may be configured to control at least one of various signal flow control, information collection, or output related to audio data. The processor 580 may support various operations based on at least a portion of a user input from the input device 520 . According to an embodiment, the processor 580 may turn on or off the second electronic device 502 according to a user input.

According to an embodiment, the processor 580 may cause the second electronic device 502 to be connected to the first electronic device 101 through Bluetooth based communication according to a user input. According to an embodiment, the processor 580 may receive audio data from the first electronic device 101 or transmit audio data to the first electronic device 101 according to a user input. According to an embodiment, the second electronic device 502 may output the audio signal received from the first electronic device 101 to the speaker 541 while being connected to the first electronic device 101 and another audio electronic device. and may transmit information for allowing the other external electronic device to acquire the audio signal from the first electronic device 101 to another external electronic device. According to an embodiment, the second electronic device 502 may output the audio signal received from the first electronic device 101 to the speaker 541 while being connected to the first electronic device 101 and another external electronic device. Also, the audio signal received from the first electronic device 101 may be transmitted to another external electronic device.

According to an embodiment, the processor 580 may play back audio data or control the playback according to a user input (starting playback of audio data, pausing playback, stopping playback, control of playback speed, control of playback volume, or mute). According to an embodiment, the processor 580 may receive an audio signal from the first electronic device 101 and output the received audio signal through the speaker 541 . According to an embodiment, the processor 580 may perform various operations based on at least a part of information obtained from the sensor 530 . According to an embodiment, the processor 580 may determine whether the second electronic device 502 is worn on the ear from the information obtained from the sensor 530 . When it is confirmed that the second electronic device 502 is worn on the ear, the processor 580 may reproduce audio data stored in the memory 550 according to a user input for audio data reproduction and output it to the speaker 541 . have. According to various embodiments of the present disclosure, in a mode in which the second electronic device 502 receives audio data from an external device, reproduces it, and outputs the audio data to the speaker 541, it is confirmed that the second electronic device 502 is not worn on the ear , the processor 580 may stop the mode or transmit a signal related thereto to the first electronic device 101 . The first electronic device 101 may receive a signal regarding a state in which the second electronic device 502 is not worn on the ear, and may stop transmitting audio data to the second electronic device 502 . According to various embodiments of the present disclosure, in a mode in which the second electronic device 502 receives an audio signal from the first electronic device 101 and outputs it to the speaker 541 , the second electronic device 502 is not worn on the ear. When the status is confirmed, the processor 580 may stop the mode or transmit a signal related thereto to an external device. The first electronic device 101 may receive a signal regarding a state in which the second electronic device 502 is not worn on the ear, and may stop the reproduction of audio data and transmission of the audio signal. According to various embodiments, when it is confirmed that the second electronic device 502 is worn on the ear, the processor 580 may activate a biometric sensor (eg, a heart rate sensor). When it is confirmed that the second electronic device 502 is not worn on the ear, the processor 580 may deactivate the biosensor.

According to an embodiment, the second electronic device 502 may provide a voice recognition function for generating a voice command from an analog voice signal received using the microphone 542 . The voice command may relate to an input to support the reception, transmission, or playback of audio data.

According to an embodiment, the second electronic device 502 may further include various modules according to its provision form. It is impossible to enumerate all of them due to the wide variety of variations according to the convergence trend of digital devices, but components equivalent to the above-mentioned components may be further included in the second electronic device 502 . Also, of course, in the second electronic device 502 according to an embodiment, specific components may be excluded from the above components or may be replaced with other components according to the type of provision thereof. This will be easily understood by those of ordinary skill in the art. According to an embodiment, the second electronic device 502 includes a pair of audio electronic devices, for example, a first audio electronic device (eg, a first earphone, a main earphone, or a right) or a second audio electronic device ( Example: It can operate as one of the second earphone, the secondary earphone, or the left).

According to various embodiments, the electronic device (eg, the second electronic device 102 of FIG. 3 or the second electronic device 502 of FIG. 5 ) includes a communication module (eg, the communication module 510 of FIG. 5 ), a memory (eg, : the memory 550 of FIG. 5 ) and a processor (eg, the processor 580 of FIG. 5 ), wherein the processor communicates with an external electronic device (eg, the first electronic device 101 of FIG. 3 ) A first Bluetooth-based advertiser including a location information request message for checking whether the device is lost based on a connection state, and for requesting location information from at least one external electronic device nearby through the communication module based on the loss confirmation Broadcasting a marketing packet, and receiving each location information of at least one external electronic device (eg, the fourth electronic device 304 of FIG. 3 ) in the vicinity in response to the first Bluetooth-based advertising packet Receive, obtain the location information of the electronic device based on the received location information of at least one external electronic device in the vicinity, encrypt the location information of the electronic device, and encrypt the location information of the electronic device It may be set to control to broadcast a second Bluetooth-based advertising packet comprising a.

According to various embodiments, the processor may encrypt the location information of the electronic device using a shared authentication key upon Bluetooth-based connection with the external electronic device (eg, the first electronic device 101 of FIG. 3 ). have.

According to various embodiments, the processor includes the location information request message in AD Data of a Manufacturer Specific Data Type area of a Bluetooth-based advertising packet to include the first Bluetooth-based advertising packet. can be set to create

According to various embodiments, the processor includes the encrypted location information of the electronic device in AD Data of a Manufacturer Specific Data Type area of a Bluetooth-based advertising packet to include the second Bluetooth-based advertisement It can be configured to generate a Vertising Packet.

6 is a flowchart illustrating an operation of a second electronic device according to an exemplary embodiment.

Referring to FIG. 6 , a processor (eg, the processor of FIG. 5 ) of the second electronic device (eg, the second electronic device 102 of FIG. 1 or the second electronic device 502 of FIG. 5 ) according to an embodiment 580)) may perform at least one of operations 610 to 660 .

In operation 610 , the processor 580 according to an embodiment may determine whether the second electronic device 502 is lost. According to an embodiment, the processor 580 may check whether the device is lost based on a communication connection state with the first electronic device 102 , a charging state, and/or a remaining battery level. For example, the processor 580 may determine that the second electronic device 502 is in a lost state when pairing with the first electronic device 101 is not performed or pairing fails for a specified time period (eg, 24 hours) or longer. As another example, when charging is not performed for a specified time period (eg, 24 hours) or more, the processor 580 may determine that the second electronic device 502 is in a lost state. For another example, the processor 580 may determine that the amount of charge of the battery 570 is less than or equal to a specified amount of charge (eg, 5% of the total amount of charge of the battery 570 ) or the amount of charge of the battery 570 is less than or equal to the specified amount of charge for a specified time. If it continues for more than a period (eg, 2 hours), it may be confirmed that the second electronic device 502 is in a lost state.

In operation 620 , the processor 580 according to an embodiment performs at least one external electronic device (eg, the fourth electronic device 304 , the fifth electronic device (eg, the fourth electronic device 304 ) and the fifth electronic device ( 305), and/or the sixth electronic device 306) may broadcast a first Bluetooth-based advertising packet including a location information request message for requesting location information. For example, the processor 580 may enter a lost mode (or location tracking mode) based on the loss confirmation, and includes a location information request message for requesting location information through the communication module 510 in the lost mode. It is possible to control the first Bluetooth-based advertising packet to be broadcast. For example, the processor 580 performs the first Bluetooth-based advertising in which the location information request message is included in AD Data of a Manufacturer Specific Data Type area among areas of the Bluetooth-based advertising packet. The communication module 510 may be controlled to generate and broadcast a packet.

In operation 630 , the processor 580 according to an embodiment performs the operation of at least one peripheral external electronic device (eg, the fourth electronic device 304 , the fifth electronic device 305 , and/or the sixth electronic device 306 ). )) of each of the at least one external electronic device (eg, the fourth electronic device 304 , the fifth electronic device 305 , and/or the sixth electronic device 306 ) ) can be obtained. For example, the processor 580 may include at least one peripheral external electronic device (eg, the fourth electronic device 304 ) received through the communication module 510 in response to the first Bluetooth-based advertising packet; Location information (eg, the fourth electronic device 304 , the fifth electronic device 305 ) of at least one external electronic device in the vicinity from the fifth electronic device 305 and/or the sixth electronic device 306 ) ), and/or each location information of the sixth electronic device 306 ).

In operation 640 , the processor 580 according to an embodiment performs the location information (eg, the fourth electronic device 304 , the fifth electronic device 305 , and/or the second Location information of the second electronic device 502 may be acquired based on each location information of the 6 electronic devices 306). For example, when the processor 580 receives the location information of the fourth electronic device 104 from the fourth electronic device 304 , the processor 580 transfers the location information of the fourth electronic device 304 to that of the second electronic device 502 . The distance between the second electronic device 502 and the fourth electronic device 304 is confirmed by using the location information or the reception strength of a signal received from the fourth electronic device 304 or a sensor, and the second electronic device The location information of the second electronic device 502 may be acquired using the distance between the device 102 and the fourth electronic device 304 and the location information of the fourth electronic device. For example, the second electronic device 502 may be connected to each other from a nearby external electronic device (eg, the fifth electronic device 305 and/or the sixth electronic device 306 ) other than the fourth electronic device 304 . The location information of the second electronic device 502 may be acquired by further receiving the location information.

In operation 650 , the processor 580 according to an embodiment may encrypt the obtained location information of the second electronic device 502 . For example, the processor 580 may encrypt the location information of the second electronic device 502 using a shared key when pairing with the first electronic device 101 .

In operation 660 , the processor 580 according to an embodiment controls the communication module 510 to broadcast a second Bluetooth-based advertising packet including the encrypted location information of the second electronic device 502 . can For example, the processor 580 may include location information of the second electronic device 102 encrypted in AD Data of a Manufacturer Specific Data Type area among areas of the Bluetooth-based advertising packet. The communication module 510 may be controlled to generate and broadcast the second Bluetooth-based advertising packet.

7 is a block diagram illustrating a third electronic device according to an exemplary embodiment.

Referring to FIG. 7 , a third electronic device 703 (eg, the third electronic device 303 of FIG. 3 ) according to an embodiment includes a communication module 710 , a processor 720 , a memory 730 , and a display. 740 , and an audio module 750 .

The communication module 710 according to an embodiment may support mobile communication and Bluetooth communication. The communication module 710 according to an embodiment supports establishment of a direct (eg, wired) communication channel or a wireless communication channel between the third electronic device 703 and the server 300 and performing communication through the established communication channel. can The communication module 710 according to an embodiment may support Bluetooth communication with a second electronic device (eg, the second electronic device 102 of FIG. 1 or the second electronic device 502 of FIG. 5 ).

The processor 720 according to an embodiment may perform an overall control operation of the third electronic device 703 . When a Bluetooth-based advertising packet (eg, a second Bluetooth-based advertising packet) is received through the communication module 710 , the processor 720 according to an embodiment encrypts the Bluetooth-based advertising packet. It may be checked whether there is location information of the second electronic device 102 . The processor 720 according to an embodiment may check whether a lost device tracking function (or a lost device location information transfer function) is activated. The processor 720 according to an embodiment performs a lost device tracking function (or a lost device location information delivery function) based on the presence or absence of the location information of the second electronic device 102 encrypted in the second Bluetooth-based advertising packet. You can check whether it is activated or not. The processor 720 according to an embodiment may ignore the received second Bluetooth-based advertising packet when the lost device tracking function is deactivated (lost device tracking function is turned off or the lost device tracking function is absent). The processor 720 according to an embodiment may check the location information delivery condition of the designated lost device. When the lost device tracking function is activated (lost device tracking function is on or the lost device tracking function is checked), the processor 720 according to an embodiment may check the location information delivery condition of the designated lost device. For example, the condition for transmitting location information of the lost device in the third electronic device 703 is a condition for preventing exposure of private information associated with the third electronic device 703, and is a user input or a third electronic device. It can be specified by learning of (703). According to an embodiment, the location information delivery condition of the lost device may include a delivery time of the location information of the lost device and/or an area (location) of the location information delivery of the lost device. For example, the processor 720 may transmit the encrypted information in the designated lost device location information delivery time period (eg, 9:00 AM to 11:00 AM, 12:00 PM to 6:00 PM, or 9:00 AM to 6:00 PM). 2 It may be set to transmit location information of the electronic device 102 to the server 300 . For example, the processor 720 transmits the location information of the second electronic device 102 encrypted at a location capable of delivering location information of the designated lost device (eg, a company, a neighborhood, a bus stop, or a designated public place) to the server 300 ) can be set to pass According to an embodiment, the processor 720 may designate or recommend the location information delivery condition of the lost device by learning based on the location information delivery experience of the lost device. For example, the processor 720 may designate or recommend the time zone of 9:00 am to 11 am as the location information delivery condition of the electronic device when the number of times that the location information of the lost device is transmitted between 9:00 am and 11 am can For example, when the number of times that the location information of the lost device is transmitted in the designated public place, the processor 720 may designate or recommend the designated public place as the location information delivery condition of the electronic device. The processor 720 according to an embodiment may control the communication module 710 to transmit the encrypted location information of the second electronic device 102 to the server 300 based on the location information delivery condition of the lost device. . For example, the processor 720 secures communication with the server 300 when the specified location information delivery condition of the lost device (eg, the location information delivery time of the lost device or the location information delivery area (location) of the lost device) is satisfied. The communication module 710 may be controlled to transmit the encrypted location information of the second electronic device 102 to the server 300 through a channel (or a secure communication protocol).

The memory 730 according to an embodiment may store various data used by the communication module 710 and/or the processor 720 . The data may include, for example, input data or output data for software (eg, a program) and instructions related thereto. The memory 730 may include a volatile memory or a non-volatile memory.

The display 740 according to an embodiment may display information necessary to designate the location information delivery condition of the lost device. The display 740 according to an embodiment may display information informing the delivery of location information of the lost device. The audio module 750 according to an embodiment may receive or output a sound signal required to designate a condition for transmitting location information of a lost device. The audio module 750 according to an embodiment may receive or output a sound signal indicating delivery of location information of a lost device.

According to various embodiments, the electronic device (eg, the third electronic device 303 of FIG. 3 , or the third electronic device 703 of FIG. 7 ) includes a communication module (eg, the communication module 710 of FIG. 7 ), a memory (eg, the memory 730 of FIG. 7 ), and a processor (eg, the processor 720 of FIG. 7 ), wherein the processor, when receiving a Bluetooth-based advertising packet through the communication module, the Bluetooth Check the location information of the encrypted lost electronic device included in the base advertising packet, check the location information delivery condition of the designated lost device, and based on the location information delivery condition of the designated lost device through the communication module It may be configured to transmit the encrypted location information of the lost electronic device to an external server.

According to various embodiments, the designated location information delivery condition of the lost device may include a delivery available time of the location information of the lost device or a delivery area (or location) of the location information of the lost device.

According to various embodiments, the processor is configured to transmit the location information of the lost device to the external server based on the delivery available time of the location information of the lost device or the delivery area (or location) of the location information of the lost device can be

According to various embodiments, the processor may be set to designate a location information delivery condition of the lost device based on a user input.

According to various embodiments, the processor may be configured to designate the location information delivery condition of the lost device based on learning the location information delivery condition of the lost device.

8 is a flowchart illustrating an operation of a third electronic device according to an exemplary embodiment.

Referring to FIG. 8 , the processor (eg, the processor 720 of FIG. 7 ) of the third electronic device 303 (eg, the third electronic device 703 of FIG. 7 ) according to an embodiment performs operations 810 to 840 . at least one of the following operations may be performed.

In operation 810 , the processor 720 according to an embodiment may receive a Bluetooth-based advertising packet (eg, a second Bluetooth-based advertising packet) through the communication module 710 .

In operation 820, the processor 720 according to an embodiment checks the location information of the encrypted second electronic device 102 included in the Bluetooth-based advertising packet (or encrypted in the Bluetooth-based advertising packet). check whether there is location information of the second electronic device 102). For example, the processor 720 determines the location of the encrypted second electronic device 102 included in AD Data of a Manufacturer Specific Data Type area among areas of the second Bluetooth-based advertising packet. information can be checked.

In operation 830, the processor 720 according to an embodiment may check whether a lost device tracking function (or a lost device location information delivery function) is activated and a condition for transmitting location information of a designated lost device. The processor 720 according to an embodiment performs a lost device tracking function (or a lost device location information delivery function) based on checking the location information of the encrypted second electronic device 102 included in the second Bluetooth-based advertising packet. ) to check whether it is active or not. The processor 720 according to an embodiment may ignore the received second Bluetooth-based advertising packet when the lost device tracking function is deactivated (lost device tracking function is turned off or the lost device tracking function is absent). When the lost device tracking function is activated (lost device tracking function is on or the lost device tracking function is checked), the processor 720 according to an embodiment may check the location information delivery condition of the designated lost device. For example, the condition for transmitting location information of the lost device in the third electronic device 703 may include a condition for preventing exposure of private information associated with the third electronic device 703 . For example, the condition for transmitting location information of the lost device in the third electronic device 703 may be specified by a user input or learning of the third electronic device 703 . According to an embodiment, the location information delivery condition of the lost device may include a location information delivery available time of the lost device or a location information delivery available area (location) of the lost device. For example, the processor 720 may transmit the encrypted information in the designated lost device location information delivery time period (eg, 9:00 AM to 11:00 AM, 12:00 PM to 6:00 PM, or 9:00 AM to 6:00 PM). 2 It may be set to transmit location information of the electronic device 102 to the server 300 . For example, the processor 720 transmits the location information of the second electronic device 102 encrypted at a location capable of delivering location information of the designated lost device (eg, a company, a neighborhood, a bus stop, or a designated public place) to the server 300 ) can be set to pass According to an embodiment, the processor 720 may designate or recommend the location information delivery condition of the lost device by learning based on the location information delivery experience of the lost device. For example, the processor 720 may designate or recommend the time zone of 9:00 am to 11 am as the location information delivery condition of the electronic device when the number of times that the location information of the lost device is transmitted between 9:00 am and 11:00 am can For example, when the number of times that the location information of the lost device is transmitted in the designated public location, the processor 720 may designate or recommend the designated public location as the location information delivery condition of the electronic device.

In operation 840 , the processor 720 according to an embodiment transmits the encrypted location information of the second electronic device 102 to the server 300 based on the location information delivery condition of the lost device to the communication module 710 . can be controlled For example, the processor 720 and the server 300 when the specified location information delivery condition of the lost device (eg, the location information delivery possible time of the lost device and / or the location information delivery area (location) of the lost device) is satisfied. The communication module 710 may be controlled to transmit the encrypted location information of the second electronic device 102 to the server 300 through a secure communication channel (or secure communication protocol).

9 is a block diagram illustrating a server according to an embodiment.

Referring to FIG. 9 , a server 900 (eg, the server 108 of FIG. 1 , or the server 300 of FIG. 3 ) according to an embodiment includes a communication module 910 , a processor 920 , and a memory 930 . ) may be included.

The communication module 910 according to an embodiment establishes a direct (eg, wired) communication channel or a wireless communication channel between the first electronic device 101 and the third electronic device 303 and the server 900, and establishes an established It may support performing communication through a communication channel.

The processor 920 according to an embodiment is a lost device (eg, from an external electronic device (eg, the third electronic device 303 of FIG. 3 or the third electronic device 703 of FIG. 7 ) through the communication module 910 ). : location information of the second electronic device 102 of FIG. 3 or the second electronic device 502 of FIG. 5 ) may be received. According to an embodiment, the processor 920 decrypts the encrypted location information of the second electronic device 502 received from the third electronic device 703 using the key received from the first electronic device 101 to obtain a second 2 It is possible to obtain location information of the electronic device 502 . According to an embodiment, the processor 920 may check whether the first electronic device 101 reports loss of the second electronic device 502 or requests the location information. According to an embodiment, the processor 920 transmits the location information of the second electronic device 502 to the first electronic device according to the loss report of the first electronic device 101 or confirmation of the location information request for the second electronic device 502 . The communication module 510 may be controlled to transmit to the device 101 . As another example, the processor 920 transmits the encrypted location information of the second electronic device 502 to the first electronic device 101 , and the first electronic device 101 communicates with the second electronic device 502 . By using the shared key to decrypt the encrypted location information of the second electronic device 102 , the second electronic device 502 may obtain the location information.

The memory 930 according to an embodiment may store various data used by the communication module 910 and/or the processor 920 . The data may include, for example, input data or output data for software (eg, a program) and instructions related thereto. The memory 930 may include a volatile memory or a non-volatile memory.

10 is a flowchart illustrating an operation of a server according to an embodiment.

Referring to FIG. 10 , a processor (eg, processor 920 of FIG. 9 ) of a server 900 (eg, server 108 of FIG. 1 , or server 300 of FIG. 3 ) according to an embodiment is 1010 . At least one of operations 1030 to 1030 may be performed.

In operation 1010 , the processor 920 according to an embodiment receives the notification from the notification electronic device (eg, the third electronic device 303 of FIG. 3 or the third electronic device 703 of FIG. 7 ) through the communication module 910 . The encrypted location information of the lost device (eg, location information of the second electronic device 102 of FIG. 3 or the second electronic device 502 of FIG. 5 ) may be received. The processor 920 according to an embodiment decrypts the encrypted location information of the second electronic device 502 received from the third electronic device 703 using the key received from the first electronic device 101 to obtain a second 2 It is possible to obtain location information of the electronic device 502 .

In operation 1020 , the processor 920 according to an embodiment may check whether the first electronic device 101 requests location information (or reports the loss) of the second electronic device 502 .

In operation 1030 , the processor 920 according to an embodiment transmits the location information of the second electronic device 502 to the first according to the confirmation of the request for the location information of the first electronic device 101 for the second electronic device 502 . The communication module 510 may be controlled to transmit to the electronic device 101 . As another example, the processor 920 transmits the encrypted location information of the second electronic device 502 to the first electronic device 101 , and the first electronic device 101 communicates with the second electronic device 502 . By using the shared key to decrypt the encrypted location information of the second electronic device 102 , the second electronic device 502 may obtain the location information.

11 is a diagram for explaining a remote Bluetooth-based advertising packet according to an embodiment.

Referring to FIG. 11 , a Bluetooth-based advertising packet 1100 according to an embodiment includes a preamble 1110 , an access address 1120 , a packet data unit (PDU) 1130 , and a CRC 1140 . can do. For example, the preamble 1110 may include information for bit synchronization or frame synchronization as 1 byte (eg, 10101010). The access address 1120 is 4 bytes (eg, 0x 8E89BED6) and may include an address for connection in the link layer. For example, it may include a pseudo-random 32-bit value generated by the remote electronic device in the initialized state. A packet data unit (PDU) 1130 may include advertising/data. The CRC 1140 is 3 bytes and may include information for error detection of a PDU. A packet data unit (PDU) 1130 according to an embodiment may include a header 1132 and a payload 1134 . The header 1132 according to an embodiment may include a PDU type, RFU, TxAdd, RxAdd, Rength, and RFU. Payload 1134 may include data. For example, header 1132 may include ADV_Address 32 and payload 1134 may include Ad0...Adn 34 . According to an embodiment, Ad0...Adn 34 may include AD length, AD Type, and AD data, respectively. For example, AD data includes a location request message to generate a first Bluetooth-based advertising packet, or AD data includes encrypted location information of the second electronic device 102 to generate a second Bluetooth-based advertising packet. An advertising packet may be generated.

An electronic device (eg, the first electronic device 101 , the second electronic device 102 , the third electronic device 303 or 703 , or the fourth electronic device 304 ) according to various embodiments disclosed herein The device may be of various types. 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 the 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 of which 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 elements in question, 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.

As used herein, the term “module” may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as, for example, logic, logic block, component, or circuit. 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 are provided in a machine (eg, the first electronic device 101 , the second electronic device 102 , the third electronic device 303 or 703 , or the fourth electronic device 304 ). It may be implemented as software (eg, the program 140) including one or more instructions stored in a storage medium (eg, the internal memory 136 or the external memory 138) that can be read by the user. For example, the processor of the device (eg, the first electronic device 101 , the second electronic device 102 , the third electronic device 303 or 703 , or the fourth electronic device 304 ) may Calling at least one command among the stored one or more commands, and executing the command. 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 an embodiment, the method according to various embodiments disclosed in this document may be included in a computer program product and provided. 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 via 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. 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, omitted, or , or one or more other operations may be added.

According to various embodiments, in a non-volatile storage medium storing instructions, the instructions are configured to cause the at least one processor to perform at least one operation when executed by the at least one processor. The operation may include checking whether the device is lost based on a communication connection state with the external electronic device, and requesting location information for requesting location information from at least one external electronic device nearby through the communication module based on the loss confirmation. Broadcasting a first Bluetooth-based advertising packet including a message, and receiving location information of each of the at least one external electronic device in the vicinity in response to the first Bluetooth-based advertising packet , obtaining the location information of the electronic device based on the received location information of at least one external electronic device in the vicinity, and encrypting the location information of the electronic device, and the encrypted location of the electronic device and broadcasting a second Bluetooth-based advertising packet including information.

According to various embodiments, in a non-volatile storage medium storing instructions, the instructions are configured to cause the at least one processor to perform at least one operation when executed by the at least one processor. The operations include: receiving a Bluetooth-based advertising packet; confirming the encrypted location information of the lost electronic device included in the Bluetooth-based advertising packet; and confirming a specified lost device location information delivery condition and transmitting, through a communication module, the encrypted location information of the lost electronic device to an external server based on a delivery condition of the designated location information of the lost device.

And the embodiments of the present invention invented in the present specification and drawings are merely provided for specific examples to easily explain the technical contents according to the embodiments of the present invention and help the understanding of the embodiments of the present invention, and the scope of the embodiments of the present invention It is not intended to limit Therefore, in the scope of various embodiments of the present invention, in addition to the embodiments disclosed herein, all changes or modifications derived from the technical ideas of various embodiments of the present invention should be interpreted as being included in the scope of various embodiments of the present invention. do.

Claims (15)

1. In an electronic device,

   communication module;

   Memory; and

   including a processor;

   The processor is configured to check whether the device is lost based on a communication connection state with the external electronic device, and request location information for requesting location information from at least one external electronic device nearby through the communication module based on the loss confirmation. Broadcasting a first Bluetooth-based advertising packet including a message, and receiving, in response to the first Bluetooth-based advertising packet, location information of each of the at least one external electronic device in the vicinity; A first method comprising: obtaining location information of the electronic device based on respective location information of at least one external electronic device in the vicinity of the electronic device, encrypting the location information of the electronic device, and including the encrypted location information of the electronic device 2 An electronic device configured to control broadcasting of Bluetooth-based advertising packets.
2. According to claim 1,

   The processor encrypts the location information of the electronic device by using a shared authentication key upon Bluetooth-based connection with the external electronic device.
3. According to claim 1,

   The processor is configured to generate the first Bluetooth-based advertising packet by including the location information request message in AD Data of a Manufacturer Specific Data Type area of a Bluetooth-based advertising packet. .
4. According to claim 1,

   The processor generates the second Bluetooth-based advertising packet by including the encrypted location information of the electronic device in AD Data of a Manufacturer Specific Data Type area of a Bluetooth-based advertising packet. An electronic device set up to do so.
5. In an electronic device,

   communication module;

   Memory; and

   including a processor;

   When receiving the Bluetooth-based advertising packet through the communication module, the processor checks the encrypted location information of the lost device included in the Bluetooth-based advertising packet, and determines the location information delivery condition of the designated lost device. The electronic device is configured to check and transmit the encrypted location information of the lost device to an external server based on a condition for transferring the location information of the designated lost device through the communication module.
6. 6. The method of claim 5,

   The designated location information delivery condition of the lost device is an electronic device including a delivery available time of the location information of the lost device and/or a delivery area or location of the location information of the lost device.
7. 7. The method of claim 6,

   The processor is configured to transmit the location information of the lost device to the external server based on a delivery available time of the location information of the lost device and/or a delivery area or location of the location information of the lost device.
8. 6. The method of claim 5,

   The processor is set to designate a location information delivery condition of the lost device based on a user input or based on learning the location information delivery condition of the lost device.
9. A method for transmitting location information based on privacy protection in an electronic device, the method comprising:

   checking whether the device is lost based on a communication connection state with an external electronic device;

   broadcasting a first Bluetooth-based advertising packet including a location information request message for requesting location information to at least one external electronic device in the vicinity through the communication module based on the confirmation of the loss;

   receiving location information of at least one external electronic device in the vicinity in response to the first Bluetooth-based advertising packet;

   acquiring location information of the electronic device based on the received location information of at least one external electronic device in the vicinity; and

   and encrypting the location information of the electronic device and broadcasting a second Bluetooth-based advertising packet including the encrypted location information of the electronic device.
10. 10. The method of claim 9,

    A method of encrypting the location information of the electronic device by using a shared authentication key when the external electronic device and the Bluetooth-based connection.
11. 10. The method of claim 9,

    generating the first Bluetooth-based advertising packet by including the location information request message in AD Data of a Manufacturer Specific Data Type area of a Bluetooth-based advertising packet; and

    generating the second Bluetooth-based advertising packet by including the encrypted location information of the electronic device in AD Data of a Manufacturer Specific Data Type area of a Bluetooth-based advertising packet; How to include.
12. A method for transmitting location information of a lost electronic device based on privacy protection in an electronic device,

    receiving a Bluetooth-based advertising packet;

    checking the encrypted location information of the lost electronic device included in the Bluetooth-based advertising packet;

    Checking the location information delivery condition of the specified lost device; and

    and transmitting the encrypted location information of the lost electronic device to an external server based on a condition for transferring the location information of the designated lost device through a communication module.
13. 13. The method of claim 12,

    An operation of designating a location information delivery condition of a lost device based on a user input or learning the location information delivery condition of the lost device, wherein the designated location information delivery condition of the lost device is capable of delivering location information of the lost device time or a delivery area or location of the location information of the lost device; and

    The method further comprising the operation of transmitting the location information of the lost device to the external server based on the delivery available time of the location information of the lost device and/or the delivery area or location of the location information of the lost device.
14. A non-volatile storage medium having stored thereon instructions, wherein the instructions are configured to cause the at least one processor to perform at least one operation when executed by the at least one processor, the at least one operation comprising:

    checking whether the device is lost based on a communication connection state with an external electronic device;

    broadcasting a first Bluetooth-based advertising packet including a location information request message for requesting location information to at least one external electronic device in the vicinity through the communication module based on the confirmation of the loss;

    receiving location information of at least one external electronic device in the vicinity in response to the first Bluetooth-based advertising packet;

    acquiring location information of the electronic device based on the received location information of at least one external electronic device in the vicinity; and

    and encrypting the location information of the electronic device and broadcasting a second Bluetooth-based advertising packet including the encrypted location information of the electronic device.
15. A non-volatile storage medium having stored thereon instructions, wherein the instructions are configured to cause the at least one processor to perform at least one operation when executed by the at least one processor, the at least one operation comprising:

    receiving a Bluetooth-based advertising packet;

    checking the encrypted location information of the lost electronic device included in the Bluetooth-based advertising packet;

    Checking the location information delivery condition of the specified lost device; and

    and transmitting the encrypted location information of the lost electronic device to an external server based on a condition for transferring the location information of the designated lost device through a communication module.

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