WO2023287207A1

WO2023287207A1 - Electronic device and method for connecting external electronic device by using same

Info

Publication number: WO2023287207A1
Application number: PCT/KR2022/010236
Authority: WO
Inventors: 권소은; 김지영; 서운용; 권혁태; 박상호; 이경렬; 이귀호; 좌호동; 이성준
Original assignee: 삼성전자 주식회사
Priority date: 2021-07-15
Filing date: 2022-07-13
Publication date: 2023-01-19

Abstract

According to various embodiments of the present disclosure, an electronic device may comprise a communication circuit, a memory, and a processor operatively connected to the communication circuit and the memory, wherein the processor is configured to: receive, through the communication circuit, first push information including identification information of an external electronic device from the external electronic device; on the basis of the reception of the first push information, identify whether the identification information of the external electronic device included in the first push information has been stored in the memory; when it is identified that the identification information of the external electronic device has been stored in the memory, automatically execute a function for screen sharing with the external electronic device; generate second push information on the basis of network information of the electronic device for connection with the external electronic device and the identification information of the external electronic device; transmit the generated second push information to the external electronic device through the communication circuit; and perform connection with the external electronic device. In addition to the various embodiments disclosed in the present document, various other embodiments may be possible.

Description

Electronic device and method for connecting an external electronic device using the same

Various embodiments of the present disclosure relate to an electronic device and a method for connecting an external electronic device using the same.

An electronic device may have a relatively small-sized display in order to be portable by a user. The electronic device may provide a mirroring function to display the screen of the electronic device on the display of the external electronic device by transmitting the screen of the electronic device to an external electronic device having a larger display. An electronic device may share various data with an external electronic device through a mirroring function. In order to share various data with the external electronic device, the electronic device may exchange various information required for connection with the external electronic device (eg, a device name, a connection code, and/or a connection method for each communication technology).

However, since the electronic device needs to exchange the above-described various information each time to connect with the external electronic device, it may be inconvenient to perform a complicated setting process for exchanging various information at the time of connection with the external electronic device. .

When an electronic device according to various embodiments of the present disclosure receives a signal requesting a connection from an external electronic device having a previously connected history, the external electronic device can trust the external electronic device by using pre-stored information of the external electronic device. You can check whether it is. When an external electronic device requesting connection is determined to be a trustworthy device, the electronic device can automatically execute a screen sharing function so as to be connected to the external electronic device without additional user intervention.

An electronic device according to various embodiments of the present disclosure includes a communication circuit, a memory, and a processor operatively connected to the communication circuit and the memory, wherein the processor, through the communication circuit, receives information from an external electronic device. First push information including identification information of the external electronic device is received, and based on receiving the first push information, the identification information of the external electronic device included in the first push information is stored in the memory and if it is confirmed that the identification information of the external electronic device is stored in the memory, a function for screen sharing with the external electronic device is automatically executed, and the electronic device for connection with the external electronic device is automatically executed. generate second push information based on network information of the device and identification information of the external electronic device, transmit the generated second push information to the external electronic device through the communication circuit, and It can be set to perform a connection with a device.

An electronic device according to various embodiments of the present disclosure includes a communication circuit, a memory, and a processor operatively connected to the communication circuit and the memory, wherein the processor detects an input for screen sharing with an external electronic device. Based on the above, first push information is generated based on the identification information of the external electronic device and the identification information of the electronic device stored in the memory, and the generated first push information is transmitted to the external electronic device through the communication circuit. transmit to the electronic device, and when second push information including network information is received from the external electronic device through the communication circuit, it may be set to perform a connection with the external electronic device based on the network information. there is.

A method of connecting an electronic device to an external electronic device according to various embodiments of the present disclosure includes receiving first push information including identification information of the external electronic device from an external electronic device, and receiving the first push information. Based on this, an operation of checking whether the identification information of the external electronic device included in the first push information is stored in the memory, and if it is confirmed that the identification information of the external electronic device is stored in the memory, the Automatically executing a screen sharing function with an external electronic device and generating second push information based on network information of the electronic device for connection with the external electronic device and identification information of the external electronic device; An operation of transmitting the generated second push information to the external electronic device and an operation of performing a connection with the external electronic device may be included.

When an electronic device according to various embodiments of the present disclosure receives a signal requesting a connection from an external electronic device having a previously connected history, the electronic device performs a connection with the external electronic device using pre-stored information on the external electronic device. By doing so, it is possible to simplify a connection operation with an external electronic device.

1 is a block diagram of an electronic device in a network environment, according to various embodiments.

2 is a diagram illustrating an electronic device, a first external electronic device, and a second external electronic device according to various embodiments.

3 is a block diagram illustrating an electronic device, according to various embodiments.

4 is a flowchart illustrating a method of communicating with an electronic device of an external electronic device (eg, a first external electronic device or a second external electronic device) according to various embodiments.

5 is a flowchart illustrating a method of communicating with an external electronic device (eg, a first external electronic device or a second external electronic device) of an electronic device according to various embodiments.

6 is a diagram illustrating a signal flow for communication connection between an electronic device and a first external electronic device according to various embodiments.

7 is a flowchart illustrating a method of setting a mode of a first external electronic device according to various embodiments.

8A is a diagram for describing a user interface for setting a mode of a first external electronic device, according to various embodiments.

8B is a diagram for explaining a user interface for changing a mode of a first external electronic device, according to various embodiments.

9 is a diagram illustrating a signal flow for mode change of a first external electronic device during a communication connection between the electronic device and the first external electronic device according to various embodiments.

FIG. 10 is a diagram illustrating a signal flow for communication connection between a first external electronic device and a second external electronic device when a mode of the first external electronic device is changed according to various embodiments.

1 is a block diagram of an electronic device 101 within a network environment 100, according to various embodiments.

Referring to FIG. 1 , in a network environment 100, an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or through a second network 199. It may communicate with at least one of 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, an audio output module 155, a display module 160, an audio module 170, 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 the antenna module 197 may be included. In some embodiments, in the electronic device 101, at least one of these components (eg, the connection terminal 178) may be omitted or one or more other components may be added. In some embodiments, some of these components (eg, sensor module 176, camera module 180, or antenna module 197) are integrated into a single component (eg, display module 160). It can be.

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

The secondary processor 123 may, for example, take the place of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, running an application). ) state, 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 one embodiment, the auxiliary processor 123 (eg, an image signal processor or a communication processor) may be implemented as part of other functionally related components (eg, the camera module 180 or the communication module 190). there is. 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. AI models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself where the artificial intelligence model 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 foregoing, but is not limited to the foregoing examples. The artificial intelligence model may include, in addition or alternatively, software structures in addition to hardware structures.

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

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

The input module 150 may receive a command or data to be used by a component (eg, the processor 120) of the electronic device 101 from the outside of the electronic device 101 (eg, a user). 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 sound signals 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. A receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.

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

The audio module 170 may convert sound into an electrical signal or vice versa. According to an embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).

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

The interface 177 may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device 101 to an external electronic device (eg, the electronic device 102). According to one 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 may be physically connected to an external electronic device (eg, the electronic device 102). According to one 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 electrical signals into mechanical stimuli (eg, vibration or motion) or electrical stimuli that a user may perceive through tactile or kinesthetic senses. According to one 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 one 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 one embodiment, the power management module 188 may be implemented as at least part of a power management integrated circuit (PMIC), for example.

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, the 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). Establishment and communication through the established communication channel may be supported. 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 may be a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, a : a local area network (LAN) communication module or a power line communication module). Among these communication modules, a corresponding communication module 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, a legacy communication module). 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 telecommunications network such as a computer network (eg, a LAN or a WAN). These various types of communication modules may be integrated as one component (eg, a single chip) or implemented as a plurality of separate components (eg, multiple chips). The wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199. The electronic device 101 may be identified or authenticated.

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

The antenna module 197 may transmit or receive signals or power to the outside (eg, an external electronic device). According to an embodiment, the antenna module 197 may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (eg, PCB). According to one 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 selected from the plurality of antennas by the communication module 190, for example. can be chosen 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)) may be additionally formed as a part of the antenna module 197 in addition to the radiator.

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, the mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first surface (eg, a bottom surface) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, array antennas) disposed on or adjacent to a second surface (eg, a top surface or a side surface) 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 signal ( e.g. commands or data) can be exchanged with each other.

According to an embodiment, commands 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 part of operations executed in the electronic device 101 may be executed in one or more external electronic devices among the external

electronic devices

102 , 104 , or 108 . For example, when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 instead of executing the function or service by itself. Alternatively or additionally, one or more external electronic devices may be requested to perform the function or at least part of the service. One or more external electronic devices receiving 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 deliver the execution result to the electronic device 101 . The electronic device 101 may provide the result as at least part of a response to the request as it is or additionally processed. To this end, 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. Server 108 may be an intelligent server using machine learning and/or neural networks. According to one embodiment, the external electronic device 104 or server 108 may be included in the second network 199 . The electronic device 101 may be applied to intelligent services (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

Electronic devices according to various embodiments disclosed in this document may be devices 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. An electronic device according to an embodiment of the present document is not limited to the aforementioned devices.

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

The term "module" used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logical blocks, parts, or circuits. can be used as A module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of this document provide one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101). It may be implemented as software (eg, the program 140) including them. For example, a processor (eg, the processor 120 ) of a device (eg, the electronic device 101 ) may call at least one command among one or more instructions stored from a storage medium and execute it. This enables the device to be operated to perform at least one function according to the at least one command invoked. 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-temporary' only means that the storage medium is a tangible device and does not contain a signal (e.g. electromagnetic wave), and this term refers to the case where data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored.

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

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

FIG. 2 is a diagram 200 illustrating an electronic device 210 , a first external electronic device 220 , and a second external electronic device 230 according to various embodiments.

In various embodiments, the electronic device 210 , the first external electronic device 220 , and/or the second external electronic device 230 include the same or similar components as the electronic device 101 of FIG. 1 . can do.

In various embodiments, the electronic device 210 may be implemented as a portable electronic device such as a smart phone. The first external electronic device 220 may be implemented as a portable electronic device having a display larger than that of the electronic device 210, such as a tablet PC. The second external electronic device 230 may be implemented as a device having a display larger than that of the display of the first external electronic device 220, such as a desktop PC or a laptop PC. However, it is not limited thereto.

In various embodiments, the electronic device 210 , the first external electronic device 220 , and/or the second external electronic device 230 may be connected to each other through wired or wireless communication. For example, the electronic device 210, the first external electronic device 220, and/or the second external electronic device 230 may use a communication network such as Wi-Fi, Bluetooth, or LAN via a TCP/IP interface. They may be connected to each other using a transfer control protocol/internet protocol (IP) method or a user datagram protocol (UDP) method.

In various embodiments, the electronic device 210, the first external electronic device 220, and/or the second external electronic device 230 may perform a screen sharing function when connected to each other through wired or wireless communication. can The screen sharing function displays the screen displayed on the display of the electronic device 210 on the display of the first external electronic device 220 or the second external electronic device 230 (or on the display of the first external electronic device 220). The displayed screen is displayed on the display of the second external electronic device 230), and the user for the screen of the electronic device 210 displayed on the display of the first external electronic device 220 or the second external electronic device 230 When an input is detected, it may be a service or function of providing a signal for a user input to the electronic device 210 .

For example, when the electronic device 210 and the first external electronic device 220 (or the second external electronic device 230) are connected through wired or wireless communication, the electronic device 210 is connected to the electronic device 210. An application screen (eg, an application screen such as an internet browser, gallery, message, or game) created by the processor and memory may be transmitted to the first external electronic device 220 (or the second external electronic device 230). . While the application screen of the electronic device 210 is displayed on the display of the first external electronic device 220 (or the second external electronic device 230), the first external electronic device 220 (or the second external electronic device 230) ( 230 ) may transmit a user input on a window in which an application screen of the electronic device 210 is provided to the electronic device 210 in real time. The electronic device 210 controls an application-related function (eg, application screen control, application function) based on a user input received from the first external electronic device 220 (or the second external electronic device 230). ) and transmits information about it to the first external electronic device 220 (or the second external electronic device 230).

In various embodiments, when the electronic device 210 is connected to the first external electronic device 220 or the second external electronic device 230, the electronic device 210 displays information related to the electronic device 210 (eg, : Notification information, screen information, and/or information related to settings (e.g., Wi-Fi on/off, and/or user's individual setting information) is transmitted to other electronic devices (e.g., It may operate as a main device (eg, a primary device) shared by the first external electronic device 220 or the second external electronic device 230 . For example, when the electronic device 210 operates as a main device, information such as a notification received by the electronic device 210 and/or screen information displayed on a display of the electronic device 210 is transferred to another electronic device (eg, a drawing). It can be shared by transmitting to the first external electronic device 220 or the second external electronic device 230 of 2.

In various embodiments, when the electronic device 210 is connected to the first external electronic device 220 or the second external electronic device 230, the external electronic device (eg, the first external electronic device 220 of FIG. 2 ) ) or the second external electronic device 230) may operate as an auxiliary device (eg, secondary device) that receives information shared from another electronic device (eg, the electronic device 210). For example, when an external electronic device operates as an auxiliary device, the external electronic device receives information such as a notification from another electronic device (eg, the electronic device 210) and/or screen information displayed on a display of the other electronic device, , can be displayed on the display of an external electronic device.

It is not limited thereto, and when the first external electronic device 220 is connected to the second external electronic device 230, the first external electronic device 220 provides information related to the first external electronic device 220 (eg, : It can operate as a main device that shares notification information and screen information) with the second external electronic device 230 . The second external electronic device 230 may operate as an auxiliary device that receives information shared from the first external electronic device 220 .

3 is a block diagram 300 illustrating an electronic device 210 according to various embodiments.

Referring to FIG. 3, an electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 210 of FIG. 2) includes a communication circuit 310 (eg, the communication module 190 of FIG. 1), a memory ( 320) (eg, memory 130 of FIG. 1), display 330 (eg, display module 160 of FIG. 1), and/or processor 340 (eg, processor 120 of FIG. 1). can include

In various embodiments, the communication circuit 310 (eg, the communication module 190 of FIG. 1 ) is an external electronic device (eg, the first external electronic device 220 of FIG. 2 , the second external electronic device 230 ) ) can be supported. The communication circuit 310 may include a short-range communication circuit, and the short-range communication circuit may include at least one of Bluetooth, Bluetooth Low Energy (BLE), or Wi-Fi.

In various embodiments, the memory 320 (eg, the memory 130 of FIG. 1 ) is a program for processing and controlling the processor 340 of the electronic device 210 (eg, the program 140 of FIG. 1 ). , operating system (OS) (eg, operating system 142 of FIG. 1), various applications, and/or functions to store input/output data, and controls overall operation of the electronic device 210 program can be saved. The memory 320 may store various setting information necessary for the electronic device 210 to process functions related to various embodiments of the present disclosure.

In one embodiment, the memory 320 may store information related to an external electronic device (eg, the first external electronic device 220 and/or the second external electronic device 230). For example, the memory 320 may store and manage information related to external electronic devices (eg, 220 and/or 230) having a history of being connected to the electronic device 210. For example, information related to the external electronic device (eg, 220 and/or 230) includes identification information of the external electronic device, a token value (eg, token information), and encrypts data to be transmitted/received with the external electronic device 220 and/or 230. and a secret key for decryption, and/or a server key for transmitting push information through a push server. For example, the token value is identification information capable of distinguishing a device, and transmits push information or checks the reliability of an external electronic device (eg, 220 and/or 230) (eg, confirms whether there is a connection history). ) can be used to For example, a screen sharing application installed in the electronic device 210 may include a firebase cloud message (FCM) software development kit (SDK) to transmit and receive push information. The FCM SDK can generate a unique token value when the screen sharing application is executed for the first time. The token value can be regenerated when the application is deleted or reinstalled, or when the user deletes (eg clears) application data. A server key (eg, push server key) can be assigned while registering application information on a push platform. For example, since the screen sharing application is identically executed in the electronic device 210 and the external electronic device (eg, 220 and/or 230), the server key of the electronic device 210 and the external electronic device (eg, 220 and/or 230) 230) may have the same server key.

In various embodiments, the display 330 (eg, the display module 160 of FIG. 1 ) displays an image under the control of the processor 340 and includes a liquid crystal display (LCD), a light-emitting diode (light-emitting diode), and the like. emitting diode (LED) display, organic light-emitting diode (OLED) display, or micro electro mechanical systems (MEMS) display, electronic paper display, or flexible display ) can be implemented as any one of them. However, it is not limited thereto.

In one embodiment, the display 330 may display a screen of an application executed under the control of the processor 340 (eg, a screen of an application such as an internet browser, a gallery, a message, and/or a game).

In various embodiments, processor 340 (eg, processor 120 of FIG. 1 ) may include, for example, a micro controller unit (MCU), an operating system (OS) or an embedded software program. It is possible to control a number of hardware components connected to the processor 340 by driving. The processor 340 may control a number of hardware components according to, for example, instructions stored in the memory 320 (eg, the program 140 of FIG. 1 ).

In an embodiment, the processor 340 may receive first push information including identification information from an external electronic device (eg, 220 or 230). The processor 340 may check whether the identification information of the external electronic device (eg, 220 or 230) included in the received first push information is stored in the memory 320. When it is confirmed that the identification information of the external electronic device (eg, 220 or 230) is stored in the memory 320, the processor 340 may determine the external electronic device (eg, 220 or 230) as a reliable device. . For example, identification information of at least one external electronic device (eg, 220 and/or 230) having a communication connection history may be pre-stored in the memory 320 . The processor 340 performs identification information of at least one external electronic device (eg, 220 and/or 230) stored in the memory 320 and identification of the external electronic device (eg, 220 or 230) included in the first push information. information can be compared. The processor 340 includes identification information of the external electronic device (eg, 220 or 230) included in the first push information among identification information of at least one external electronic device (eg, 220 and/or 230) stored in the memory 320. If exists, the external electronic device (eg, 220 or 230) included in the first push information may be determined as a device having a communication connection history, for example, a reliable device. After determining the external electronic device (eg, 220 or 230) as a reliable device, the processor 340 may generate second push information to be transmitted to the external electronic device (eg, 220 or 230). For example, the second push information is based on encrypted network information (eg, IP address information and/or port information) of the electronic device 210 and identification information of the external electronic device (eg, 220 or 230). , can be created. The processor 340 connects with an external electronic device (eg, 220 or 230), and connects the external electronic device (eg, 220 or 230) and information (eg, notification information, screen information, and/or setting-related information ( Example: Wi-Fi on/off, and/or user's individual setting information) may be shared.

An electronic device 210 according to various embodiments includes a communication circuit 310, a memory 320, and a processor 340 operatively connected to the communication circuit 310 and the memory 320, The processor 340 includes identification information of the external electronic device from an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) through the communication circuit 310. receiving first push information to determine whether identification information of the external electronic device included in the first push information is stored in the memory 320 based on receiving the first push information; and , When it is confirmed that the identification information of the external electronic device is stored in the memory 320, a function for screen sharing with the external electronic device is automatically executed, and the electronic device for connection with the external electronic device ( Based on the network information of 210) and the identification information of the external electronic device, second push information is generated, and the generated second push information is transmitted to the external electronic device through the communication circuit 310; And it can be set to perform a connection with the external electronic device.

In various embodiments, the second push information includes a parameter related to transmission of the second push information, and the parameter includes at least one of recipient, priority, data, expiration date, or redundant push information. can include

In various embodiments, the memory 320 may include token information of the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230), identification information of the external electronic device, A secret key for encrypting and/or decrypting data transmitted/received with the external electronic device and/or a server key related to transmission of the second push information may be stored.

In various embodiments, the processor 340 encrypts the network information of the electronic device 210 based on the secret key, and the identification information of the electronic device 210 and the encrypted electronic device Based on the network information of (210), it may be configured to generate the second push information.

In various embodiments, the processor 340 may transmit the electronic device from the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) through the communication circuit 310. When a signal for disconnection with the device 210 is received, the connection with the external electronic device may be disconnected.

In various embodiments, although not shown, the first external electronic device 220 may include a communication circuit, a memory, a display, and/or a processor like the electronic device 210 of FIG. 3 .

In one embodiment, the communication circuit (eg, the communication module 190 of FIG. 1 ) of the first external electronic device 220 may support connection with the electronic device 210 and/or the second external electronic device 230. there is.

In one embodiment, the memory (eg, the memory 130 of FIG. 1 ) of the first external electronic device 220 may store information related to the electronic device 210 and/or the second external electronic device 230. . For example, the memory of the first external electronic device 220 may store and manage information related to the electronic device 210 and/or the second external electronic device 230 having a connection history. For example, information related to the electronic device 210 and/or the second external electronic device 230 includes identification information of the electronic device 210 and/or the second external electronic device 230, a token value, and the electronic device 210. and/or a secret key for encrypting and decrypting data to be transmitted and received with the second external electronic device 230, and/or a server key (eg, a push server key) for transmitting and receiving push information through a push server. there is.

In an embodiment, the display (eg, the display module 160 of FIG. 1 ) of the first external electronic device 220 may display a user interface for setting a mode of the first external electronic device 220 . For example, the modes of the first external electronic device 220 include a first mode (eg, a mode operating as an auxiliary device receiving information shared from another electronic device (eg, the electronic device 210)) and a second mode (eg, the electronic device 210). Example: Information related to the first external electronic device 220 (eg, notification information, screen information, and/or information related to settings (eg, Wi-Fi on/off), and/or Alternatively, a mode of operating as a main device that shares user's individual setting information) with other electronic devices (eg, the second external electronic device 230 of FIG. 2 ) may be included.

In one embodiment, when the first external electronic device 220 is set to operate in the first mode, the display of the first external electronic device 220 displays a screen for information shared from the connected electronic device 210. can When the first external electronic device 220 is set to operate in the second mode, the display of the second external electronic device 220 displays a screen of an application running on the first external electronic device 220 (eg, an internet browser, a gallery). , messages, and/or screens of applications such as games) may be displayed.

In one embodiment, the processor (eg, the processor 120 of FIG. 1 ) of the first external electronic device 220, when the first external electronic device 220 operates in the first mode, inputs for screen sharing. When is detected, first push information may be generated based on the identification information of the electronic device 210 and the identification information of the first external electronic device 220 stored in the first external electronic device 220 . The processor of the first external electronic device 220 may transmit the generated first push information to the electronic device 210 . When second push information including network information is received from the electronic device 210, the processor of the first external electronic device 220 performs a connection with the electronic device 210 based on the network information, and the electronic device 210 ) and exchange information.

In one embodiment, when the first external electronic device 220 operates in the second mode, the processor of the first external electronic device 220 receives the second external electronic device 230 from the second external electronic device 230. ) It is possible to receive the first push information including the identification information of. The processor of the first external electronic device 220 determines whether the identification information of the second external electronic device 230 included in the received first push information is stored in the memory of the first external electronic device 220. can When the processor of the first external electronic device 220 determines that the identification information of the second external electronic device 230 is stored in the memory of the first external electronic device 220, the second external electronic device 230 can be determined as a trusted device (e.g. a device with a connection history). After determining the second external electronic device 230 as a reliable device, the processor of the first external electronic device 220 may generate second push information to be transmitted to the second external electronic device 230 . For example, the second push information is based on encrypted network information (eg, IP address information and/or port information) of the first external electronic device 220 and identification information of the second external electronic device 230. can be created by The processor of the first external electronic device 220 may perform a connection with the second external electronic device 230 and share information (eg, notification information, screen information) with the second external electronic device 230. .

In various embodiments, although not shown, the second external electronic device 230 may include a communication circuit, a memory, a display, and/or a processor like the electronic device 210 of FIG. 3 .

In one embodiment, the communication circuit (eg, the communication module 190 of FIG. 1 ) of the second external electronic device 230 may support connection with the electronic device 210 and/or the first external electronic device 220. there is.

In one embodiment, the second external electronic device 230 may store information related to the electronic device 210 and/or the first external electronic device 220 as a memory (eg, the memory 130 of FIG. 1 ). . For example, the memory of the second external electronic device 230 may store and manage information related to the electronic device 210 and/or the first external electronic device 220 having a connection history. For example, information related to the electronic device 210 and/or the first external electronic device 220 includes identification information of the electronic device 210 and/or the first external electronic device 220, a token value, and the electronic device 210. and/or a secret key for encrypting and decrypting data to be transmitted and received with the first external electronic device 220, and/or a server key (eg, a push server key) for transmitting and receiving push information through a push server. there is.

In one embodiment, the display of the second external electronic device 230 (eg, the display module 160 of FIG. 1 ) is connected to information shared from the connected electronic device 210 (or the first external electronic device 220). screen can be displayed.

In one embodiment, when the processor (eg, the processor 120 of FIG. 1 ) of the second external electronic device 230 detects an input for screen sharing, the electronic device stored in the memory of the second external electronic device 230 First push information may be generated based on the identification information of 210 (or the first external electronic device 220) and the identification information of the second external electronic device 230. The processor of the second external electronic device 230 may transmit the generated first push information to the electronic device 210 (or the first external electronic device 220). When second push information including network information is received from the electronic device 210 (or the first external electronic device 220), the processor of the second external electronic device 230 pushes the electronic device 210 based on the network information. ) (or the first external electronic device 220) and exchange information with the electronic device 210 (or the first external electronic device 220).

An electronic device (eg, the first external electronic device 220) according to various embodiments includes a communication circuit, a memory, and a processor operatively connected to the communication circuit and the memory, wherein the processor includes an external electronic device. Based on detecting an input for screen sharing with a device (eg, the electronic device 210), the identification information of the external electronic device (eg, the electronic device 210) stored in the memory and the electronic device (eg, the electronic device 210) First push information is generated based on the identification information of the first external electronic device 220, and the generated first push information is transmitted to the external electronic device (eg, the electronic device 210) through the communication circuit. and second push information including network information of the external electronic device (eg, the electronic device 210) is transmitted from the external electronic device (eg, the electronic device 210) through the communication circuit. If received, it can be set to perform a connection with the external electronic device (eg, the electronic device 210) based on the network information.

In various embodiments, the first push information includes a parameter related to transmission of the first push information, and the parameter includes at least one of recipient, priority, data, expiration date, or redundant push information. can include

In various embodiments, the memory may include token information of the external electronic device (eg, the electronic device 210), identification information of the external electronic device (eg, the electronic device 210), and the external electronic device (eg, the electronic device 210). : It may be configured to store a secret key for encrypting and/or decrypting data transmitted/received with the electronic device 210) and/or a server key related to transmission of the first push information.

In various embodiments, the network information may include IP address information or port information.

In various embodiments, the processor connects a socket based on the network information, and the external electronic device (eg, the electronic device 210) and information based on the connection of the socket. It can be set to enable transmission and reception of

An electronic device (eg, the first external electronic device 220) according to various embodiments further includes a display, and the processor, in response to transmission of the first push information, transmits the first push information. When a message about transmission failure is received, instead of retransmitting the first push information, a message guiding execution of the screen sharing function may be displayed on the display.

In various embodiments, the processor may, when information of a plurality of external electronic devices is stored in the memory, identify identification information of a recently connected external electronic device among the plurality of external electronic devices and the electronic device (eg, a first external electronic device). It may be configured to generate first push information based on identification information of the electronic device 220 and to transmit the generated first push information to the recently connected external electronic device through the communication circuit.

An electronic device (eg, the first external electronic device 220) according to various embodiments further includes a display, and the processor sets a mode of the electronic device (eg, the first external electronic device 220). displaying a user interface for the above on the display, setting a mode of the electronic device (eg, the first external electronic device 220) through the user interface, and setting the mode of the electronic device (eg, the first external electronic device (eg, the first external electronic device) ( 220)) may be set to operate in the set mode.

In various embodiments, the mode of the electronic device (eg, the first external electronic device 220) includes a first mode and a second mode, and the first mode is the external electronic device (eg, the electronic device 220). A mode for operating as an auxiliary device receiving information shared from the device 210), and the second mode transmits information related to the electronic device (eg, the first external electronic device 220) to a second external electronic device. It may be a mode of operating as a main device shared by a device (eg, the second external electronic device 230).

In various embodiments, the processor may, when the mode of the electronic device (eg, the first external electronic device 220) is set to the first mode, the external electronic device stored in the memory (eg, the electronic device ( 210)) and the electronic device (eg, the first external electronic device 220) generates first push information based on the identification information, and transmits the generated first push information through the communication circuit. When transmitted to the external electronic device (eg, the electronic device 210) and the mode of the electronic device (eg, the first external electronic device 220) is set to the second mode, the electronic device (eg, the first external electronic device 220) : A state in which the first external electronic device 220 is searchable by the second external electronic device (eg, the second external electronic device 230) or the second external electronic device (eg, the second external electronic device 230) )) can be set to wait for connection.

In various embodiments, the processor may change the mode of the electronic device (eg, the first external electronic device 220) while transmitting and receiving information with the connected external electronic device (eg, the electronic device 210). When an input for the external electronic device (eg, the electronic device 210) is detected, the connection with the external electronic device (eg, the electronic device 210) is released, and a standby state for connection with the second external electronic device (eg, the second external electronic device 230) is entered. can be set so that

4 is a flowchart for explaining a method of communicating with an electronic device 210 of an external electronic device (eg, a first external electronic device 220 or a second external electronic device 230) according to various embodiments. (400).

In various embodiments, an electronic device (eg, the electronic device 210 of FIG. 2 ) may provide information related to the electronic device 210 (eg, notification information, screen information, and/or information related to settings (eg, Wi-Fi (eg, Wi-Fi)). wi-fi on/off, and/or user's individual setting information) to another electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) )), it can be a primary device (e.g. primary device). For example, when the electronic device 210 operates as a main device, the electronic device 210 transmits received notification information and/or screen information displayed on a display of the electronic device 210 to another electronic device (eg, FIG. 2 ). It can be shared by transmitting to the first external electronic device 220 or the second external electronic device 230 .

In various embodiments, an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) is information shared by another electronic device (eg, the electronic device 210 ). It may be an auxiliary device (eg secondary device) that receives. For example, when an external electronic device operates as an auxiliary device, the external electronic device receives notification information and/or screen information displayed on a display of another electronic device from another electronic device (eg, the electronic device 210), It can be displayed on a display of an electronic device.

The present invention is not limited thereto, and while the screen of the electronic device 210 is displayed on the display of the external electronic device, the external electronic device may detect a user input on a window provided with the screen of the electronic device 210 . In this case, the external electronic device may transmit a signal for the detected user input to the electronic device 210 . In response to transmitting a signal for the detected user input to the electronic device 210, the external electronic device functions of the application controlled by the user input from the electronic device 210 (eg, control of the controlled application screen, Information related to application function control) may be received and displayed. For example, the external electronic device may display an application screen controlled by a user input and an application screen of a controlled function on a display of the external electronic device.

In various embodiments, operations 410 to 430 described below may include a connection history between the electronic device 210 and an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230). It may be an operation performed in case.

In one embodiment, before operation 410 described below, the electronic device 210 and an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) perform an operation to establish an initial connection. can do. The electronic device 210 may exchange information with an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) through an operation of establishing an initial connection. For example, an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) operates at least one nearby electronic device (eg, a screen sharing function (eg, a screen sharing application)). At least one electronic device being executed) may be searched. When an input for selecting an electronic device (eg, the electronic device 210) to be connected is detected from among the at least one electronic device found, an external electronic device (eg, the first external electronic device 220 or the second external electronic device (eg, the electronic device 220)) 230) may transmit a signal requesting connection to the selected electronic device 210 . Based on transmitting a signal requesting a connection to the selected electronic device 210, the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) communicates with the electronic device 210. An interface performing authentication for communication connection (eg, an interface including an authentication number for communication connection) may be displayed on the display of the external electronic device. Based on receiving a signal requesting a connection from an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230), the electronic device 210 establishes a communication connection with the external electronic device. For this purpose, an interface performing authentication (eg, an interface including an authentication number for communication connection) may be displayed on the display of the electronic device 210 . When authentication is completed through the interface, the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) and the electronic device may be connected through communication.

For example, the electronic device 210 and an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) connect a short-range communication circuit (eg, the first network 198 of FIG. 1 ). Based on the communication connection, the electronic device 210 and the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) transmit push information. It is possible to share each other's information for transmitting. For example, the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) includes a sender that transmits push information and a receiver that receives and processes the push information. Push information may be transmitted and received with the electronic device 210 through the push information manager.

In an embodiment, the electronic device 210 and an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) may encrypt shared information with each other and store it in a memory. . For example, the electronic device 210 may obtain a token value (eg, unique information) of an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) connected through a short-range communication circuit. ), a secret key for encrypting and decrypting data, and an external electronic device for verifying reliability of a connected external electronic device (eg, the first external electronic device 220 or the second external electronic device 230). Identification information (eg, ID (identification) of the external electronic device) of (eg, the first external electronic device 220 or the second external electronic device 230) is stored in a memory (eg, the memory 320 of FIG. 3 ). can be saved The external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 ) includes a token value of the electronic device 210 , a secret key for encrypting and decrypting data, and a Identification information and/or a push server key for transmitting/receiving push information through a push server may be stored in a memory.

Referring to FIG. 4 , when an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) detects an input for screen sharing in operation 410, the external electronic device Based on the identification information (eg, token value of the electronic device 210) and the identification information (eg, ID of the external electronic device) of the electronic device 210 stored in the memory of the device, first push information is generated. can do. The input for screen sharing may include an input for executing a screen sharing application. However, it is not limited thereto.

As described above, the electronic device 210 and the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) exchanged each other through an operation of establishing an initial connection. It may be in a state in which information of is stored in memory. In this case, when an input for screen sharing is detected, the external electronic device may generate first push information to be transmitted to the electronic device 210 to be connected for communication based on Table 1 below.

In one embodiment, the first push information includes recipient (To), priority (priority), data (data), validity period (eg, time to live), and/or duplicate push information (collapse key). ) may be included.

파라미터parameter	설명Described
ToTo	제1 푸시 정보를 수신할 장치의 식별 정보(예: 토큰 값)Identification information of the device to receive the first push information (eg, token value)
prioritypriority	제1 푸시 정보의 우선순위에 대한 정보Information about the priority of the first push information
datadata	제1 푸시 정보를 전송할 장치의 식별 정보(예: 장치의 ID)Identification information of the device to which the first push information will be sent (eg device ID)
time to livetime to live	제1 푸시 정보가 살아있는 시간에 대한 정보Information about the time when the first push information is alive
collapse keycollapse key	동일한 제1 푸시 정보가 전자 장치에 중복으로 전송되는 것을 방지하기 위해 설정되는 정보Information set to prevent duplicate transmission of the same first push information to the electronic device

In an embodiment, the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) determines the first external electronic device 220 or the second external electronic device 230 based on a token value of the electronic device 210 stored in a memory. A recipient (To) of push information can be set. For example, the token value of the electronic device 210 may refer to an address value of the electronic device 210 to receive the first push information, and to transmit the first push information to the electronic device 210, the token value may be used. can An external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) is an external electronic device that is a transmitter that transmits the first push information (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ). Identification information of the device 220 or the second external electronic device 230 may be set as data of the first push information. Identification information of an external electronic device may be generated by combining a media access control address (MAC) address of the external electronic device. For example, data may be set in the form of a key or value. Data may be encrypted using a secret key shared by the electronic device 210, which is the receiver of the first push information. As the encrypted data is transmitted to the electronic device 210, data security may be increased. An external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) may generate first push information including a set recipient and data.

It is not limited thereto, and the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) determines the priority, validity period, and/or overlapping push information of the first push information. First push information including information may be generated.

For example, the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) may set the priority of the first push information. The priority of the first push information may include “high”, “normal”, and “low”. For example, when the priority of the first push information is set to “high”, transmission of the first push information may be directly transmitted to the electronic device 210 without delay in a low power state.

For another example, the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) may set a time to live of the first push information. For example, in case the electronic device 210 to receive the first push information cannot receive the first push information due to a problem such as a network failure, the time the first push information is alive in the push server (e.g., : 15 seconds) can be set. For example, when the living time set in the first push information elapses, the first push information may be deleted.

As another example, when multiple pieces of first push information are transmitted, in order to prevent the same first push information from being repeatedly transmitted to the electronic device 210, an external electronic device (eg, the first external device in FIG. 2 ) The electronic device 220 or the second external electronic device 230 may set a collapse key of the first push information. For example, when the collapse key of a plurality of transmitted first push information has the same value, only one first push information transmitted last among the plurality of first push information to be transmitted may be transmitted to the electronic device 210 . there is.

In an embodiment, the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) may transmit the generated first push information to the electronic device 210 in operation 420. . For example, the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) reads the push server key stored in the policy server and sends the generated first push information to the electronic device. (210). The push server key may be allocated while registering information of an application (eg, a screen sharing application) on a push platform.

In an embodiment, the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) receives second push information including network information from the electronic device 210 in operation 430. Upon reception, a connection with the electronic device 210 may be performed based on the network information. For example, the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) decrypts data included in the second push information to obtain network information (eg, IP address information and/or port). (port) information) can be obtained. The external electronic device may complete a connection with the electronic device 210 by connecting a socket based on network information.

In various embodiments, although not shown, the memory of the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) stores information (eg, a plurality of electronic devices) A token value of each device, a secret key for encrypting and decrypting data, and identification information) may be stored. In this case, the external electronic device may generate first push information based on identification information of a recently connected electronic device among a plurality of electronic devices stored in the memory, and transmit the generated first push information to the recently connected electronic device. Based on receiving the second push information from the electronic device that has received the first push information, the electronic device recently connected to the external electronic device may establish a communication connection.

In various embodiments, although not shown, when a communication connection with the recently connected electronic device is not performed as a result of transmitting the first push information to the recently connected electronic device, the external electronic device (eg, the first external electronic device 220 ) or the second external electronic device 230) may display a list of a plurality of electronic devices stored in the memory. When an input for selecting one electronic device from the list is detected, the external electronic device may generate first push information based on identification information of the selected electronic device and transmit the generated first push information to the selected electronic device. When the second push information is received from the electronic device that has received the first push information, the external electronic device and the selected electronic device may be connected through communication.

5 is a flowchart for explaining a method of communicating with an external electronic device (eg, a first external electronic device 220 or a second external electronic device 230) of the electronic device 210 according to various embodiments. (500).

As described above with reference to FIG. 4 , in various embodiments, an electronic device (eg, the electronic device 210 of FIG. 2 ) may provide information related to the electronic device 210 (eg, notification information, screen information, and/or Setting-related information (eg, Wi-Fi on/off, and/or user's individual setting information) is transferred to another electronic device (eg, the first external electronic device 220 of FIG. 2 ). ) or a main device (eg, a primary device) shared by the second external electronic device 230). An external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) receives information shared from another electronic device (eg, the electronic device 210 ), an auxiliary device (eg secondary device).

In various embodiments, operations 510 to 550 described below may include a history of connection between the electronic device 210 and an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230). It may be an operation performed in case. For example, before operation 510 described later, the electronic device 210 and an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) may perform an operation to establish an initial connection. . For example, the electronic device 210 and an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) connect a short-range communication circuit (eg, the first network 198 of FIG. 1 ). When connected for the first time, the electronic device 210 and an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) transmit push information to each other. can share. The electronic device 210 may transmit and receive push information with an external electronic device through a push information manager including a sender that transmits push information and a receiver that receives and processes the push information. The electronic device 210 and an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) may encrypt shared information and store it in a memory. For example, the electronic device 210 may provide identification information (eg, ID of the external electronic device) of an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) connected through a short-range communication circuit. , a token value, a secret key, and/or a push server key for transmitting and receiving push information through a push server may be stored in a memory (eg, the memory 320 of FIG. 3 ). The external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) includes the identification information of the electronic device 210 (eg, the ID of the electronic device 210), a token value, and a secret key. , and/or a push server key for transmitting and receiving push information through the push server may be stored in memory.

Referring to FIG. 5 , in operation 510, the electronic device 210 receives identification information (eg, a second external electronic device) from an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230). The first push information including the ID of the device 230 may be received.

In one embodiment, the first push information is a state in which the screen sharing function is not executed in the electronic device 210 (eg, a state in which the screen sharing application is not executed), and the screen sharing function is in a standby state in the background. If there is, or even when the screen sharing function is terminated, reception may be possible.

In an embodiment, in operation 520, the electronic device 210 identifies an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) included in the received first push information. It is possible to check whether information is stored in the memory 320 . For example, the electronic device 210 may call a method, for example, “messageReceived” of the first push information received through a service that provides transmission and reception of push information (eg, a firebase cloud messaging (FCM) service). . The electronic device 210 may read the identification information of the external electronic device included in the data of the first push information in the method “messageReceived”. After the electronic device 210 decrypts the read identification information of the external electronic device using the private key, it can check whether the identification information of the external electronic device is stored (or registered) in the electronic device 210 .

In an embodiment, in operation 530, the electronic device 210 identifies the network information of the electronic device 210 and the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230). Based on the information, second push information may be generated. For example, when it is confirmed that the identification information of the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230) is stored in the memory 320, the electronic device 210 may send the external electronic device 210 to the external electronic device 210. A device may be determined as a reliable device (eg, a device having a connection history), and second push information to be transmitted to an external electronic device may be generated based on Table 2 below.

In one embodiment, the second push information includes recipient (To), priority (priority), data (data), valid period (eg, time to live), and/or redundant push information (collapse key). ) may be included.

파라미터parameter	설명Described
ToTo	제2 푸시 정보를 수신할 장치의 식별 정보(예: 토큰 값)Identification information of the device to receive the second push information (eg, token value)
prioritypriority	제2 푸시 정보의 우선순위에 대한 정보Information about the priority of the second push information
datadata	제2 푸시 정보를 전송할 장치의 식별 정보(예: 장치의 ID) 및 네트워크 정보Identification information (eg, device ID) and network information of the device to which the second push information will be transmitted
time to livetime to live	제2 푸시 정보가 살아있는 시간에 대한 정보Information about the time when the second push information is alive
collapse keycollapse key	동일한 제2 푸시 정보가 전자 장치에 중복으로 전송되는 것을 방지하기 위해 설정되는 값에 대한 정보Information on a value set to prevent the same second push information from being repeatedly transmitted to the electronic device

For example, the electronic device 210 generates a second electronic device based on a token value of an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230 of FIG. 2 ) stored in the memory 320 . A recipient (To) of push information can be set. The token value of the external electronic device may refer to an address value of an external electronic device to receive second push information, and may use the token value to transmit the second push information to the external electronic device. The electronic device 210 may encrypt identification information of the electronic device 210, which is a transmitter that transmits the second push information, and set it as data of the second push information.

It is not limited thereto, and the electronic device 210 silence opens a server for connection with an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230), and provides network information (eg, the first external electronic device 220 or the second external electronic device 230). : IP address information and/or port information) may be set as data of the second push information. Data, for example, identification information and network information of the electronic device 210 may be encrypted using a secret key shared by an external electronic device that is a receiver of the second push information. As encrypted data is transmitted to an external electronic device, data security may be increased. In operation 540, the electronic device 210 may transmit the generated second push information to an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230).

In an embodiment, in operation 550, the electronic device 210 may perform a connection with an external electronic device (eg, the first external electronic device 220 or the second external electronic device 230). Based on the connection with the external electronic device (eg, the first external electronic device 220 or the second external electronic device 230), the electronic device 210 provides information (eg, notification information, screen information) with the external electronic device. , and/or setting-related information (eg, Wi-Fi on/off, and/or user's individual setting information) may be shared.

Conventionally, the electronic device 210 and the external electronic device had to exchange information with each other every time to connect to perform a screen sharing function, but in FIGS. 4 and 5 according to various embodiments, the electronic device 210 When the external electronic device has a history of connection with the external electronic device, the external electronic device provides information (eg, notification information, screen information, and/or information related to settings (eg, Wi-Fi) on of the electronic device 210. )/off, and/or user's individual setting information)), it may not be necessary to transmit a signal requesting execution of the screen sharing function to the electronic device 210 . In addition, when the external electronic device has a history of being connected to the electronic device 210, the first push information for connection is transmitted only to the electronic device 210, thereby scanning the electronic device to be connected for communication at a specified time interval (eg, 15 seconds). (or search) operation may not be performed. Accordingly, the time required for connecting the electronic device and the external electronic device to perform the screen sharing function may be shortened.

A method of connecting an external electronic device (eg, a first external electronic device 220 or a second external electronic device 230) of an electronic device 210 according to various embodiments includes identification of the external electronic device from the external electronic device. An operation of receiving first push information including information, and whether identification information of the external electronic device included in the first push information is stored in the memory 320 based on receiving the first push information. If it is confirmed that the identification information of the external electronic device is stored in the memory 320, a function for screen sharing with the external electronic device is automatically executed, and for connection with the external electronic device Based on the network information of the electronic device 210 and the identification information of the external electronic device, generating second push information, transmitting the generated second push information to the external electronic device, and An operation of performing a connection with an electronic device may be included.

In various embodiments, the operation of generating the second push information may include operations of encrypting network information of the electronic device 210 based on the secret key, and identification information of the electronic device 210 and the An operation of generating the second push information based on the encrypted network information of the electronic device 210 may be included.

6 is a diagram 600 illustrating a signal flow for communication connection between an electronic device 210 and a first external electronic device 220 according to various embodiments.

FIG. 6 according to various embodiments illustrates the operation of the aforementioned first external electronic device (eg, the first external electronic device 220 of FIG. 2 ) of FIG. 4 and the electronic device of FIG. 5 (eg, the electronic device of FIG. 2 ). It is a diagram in which the operation of the device 210 is more detailed.

In FIG. 6 according to various embodiments, the electronic device 210 displays information related to the electronic device 210 (eg, notification information, screen information, and/or information related to settings (eg, Wi-Fi turned on)). It may be a main device that shares (on)/off, and/or user's individual setting information) with the first external electronic device 220 . The first external electronic device 220 may be an auxiliary device that receives information shared from the electronic device 210 .

In various embodiments, before performing operation 615, between the electronic device 210 and the first external electronic device 220 to transmit push information between the electronic device 210 and the first external electronic device 220. An initial connection and an operation of storing each other's information according to the initial connection may be preceded. When the initial connection between the electronic device 210 and the first external electronic device 220 is completed, the electronic device 210 and the first external electronic device 220 may share information with each other and store the shared information. . For example, the information may include a token value, identification information, a secret key, and a server key.

Referring to FIG. 6 , in operation 615, the first external electronic device 220, based on detecting an input for screen sharing (eg, an input for executing a screen sharing application), first external electronic device 220 First push information may be generated based on the identification information of the electronic device 210 and the identification information of the first external electronic device 220 stored in the memory of . For example, the first external electronic device 220 sets a recipient of the first push information by reading a token value of the electronic device 210 stored in a memory (not shown), and determines the reliability of the first external electronic device 220. First push information may be generated by encrypting identification information (eg, ID of the first external electronic device 220) of the first external electronic device 220 for determination and setting it as data of the first push information. . The first external electronic device 220 may transmit the first push information to the electronic device 210 in operation 620 .

Operations

615 and 620 of FIG. 6 according to various embodiments are the same as

operations

410 and 420 of FIG. 4 described above, and thus detailed description thereof will be omitted.

In various embodiments, although not shown, the first external electronic device 220 transmits the first push information to the electronic device 210 and then returns a transmission result for the first push information from the push server. can receive

For example, when receiving a transmission success message (eg, a message including code 200) from the electronic device 210, the first external electronic device 220 normally transmits the first push information to the electronic device 210. can be confirmed as having been In this case, operation 625 to be described later may be performed.

For another example, the first push information may not be transmitted to the electronic device 210 or may be transmitted with a delay. In this case, the first external electronic device 220 may receive a transmission failure message (eg, a message including code 400 or 500) from the electronic device 210 . When receiving a message about transmission failure from the electronic device 210 , the first external electronic device 220 may determine that the first push information was not normally transmitted to the electronic device 210 . In this case, the first external electronic device 220 may not retransmit the first push information to the electronic device 210 . Instead of retransmitting the first push information to the electronic device 210, the first external electronic device 220 sends a message guiding execution of the screen sharing function (eg, running a screen sharing application) (eg, “device to be connected”). Execute the screen sharing application on .”) may be displayed on the display of the first external electronic device 220 . For example, a situation in which transmission of the first push information fails may be a situation in which the network is unstable. In this case, even if the first push information is retransmitted to the electronic device 210, the transmission failure rate of the first push information may be high. Instead of retransmitting the first push information, a message guiding execution of the screen sharing function (eg, execution of a screen sharing application) may be displayed on the display of the external electronic device 220 . The user of the first external electronic device 220 can execute the screen sharing function on the electronic device 210 after checking the message displayed on the display for guiding execution of the screen sharing function. The electronic device 210 may display a screen of an executed screen sharing function (eg, a screen sharing application) on a display based on detecting an input for executing the screen sharing function. After this, operation 630 to be described below may be performed.

In an embodiment, in operation 625, the electronic device 210 stores identification information of the first external electronic device 220 included in the first push information received from the first external electronic device 220 in a memory (eg, diagram). If stored in the memory 320 of 3), the screen sharing function can be executed.

For example, the electronic device 210 is in a state in which the screen sharing function is not executed (eg, a state in which a screen sharing application is not executed, a screen sharing function is in a standby state in the background, or a screen sharing function is terminated). state), the first push information may be received from the first external electronic device 220 . When the first push information is received, the electronic device 210 may call a method of the first push information, for example, “messageReceived”. The electronic device 210 may read the identification information of the first external electronic device 220 included in the data of the first push information in the method “messageReceived”. The electronic device 210 decrypts the read identification information of the first external electronic device 220 using a secret key, and then stores the identification information of the first external electronic device 220 in the electronic device 210 (or registered).

In one embodiment, if it is confirmed that the identification information of the first external electronic device 220 included in the first push information is stored (or registered) in the memory 320, the electronic device 210 may send the first external electronic device 210 The device 220 may be determined as a trustworthy device (eg, a device having a connection history). When it is confirmed that the identification information of the first external electronic device 220 included in the first push information is not stored (or registered) in the memory 320, the electronic device 210 sends the first external electronic device 220 may not be determined as a trustworthy device (e.g. a device with no connection history).

Conventionally, the electronic device 210 configures an authentication server to check whether the first external electronic device 220 requesting connection is a trustworthy device, but in various embodiments of the present disclosure, the first push information It is possible to determine whether the first external electronic device 220 is a trustworthy device based on whether the included encrypted identification information of the first external electronic device 220 is stored (or registered) in the memory 320. there is. Accordingly, an operation of configuring an authentication server unnecessarily as in the prior art may not be performed.

In one embodiment, based on the identification of the first external electronic device 220 as a trusted device, the electronic device 210 may automatically execute a screen sharing function (eg, a screen sharing application) (eg, a screen sharing application). 625 action). Accordingly, the electronic device 210 screens the screen based on the identification of the first external electronic device 220 as a trustworthy device without an input for executing the screen sharing function (eg, an input for executing a screen sharing application). A communication connection with the first external electronic device 220 may be prepared by automatically performing the sharing function.

In an embodiment, in operation 630, the electronic device 210 silence opens the server, and in operation 635, based on the network information of the electronic device 210 and the identification information of the first external electronic device 220, 2 Push information can be created. The electronic device 210 may transmit the second push information to the first external electronic device 220 in operation 640 .

In various embodiments, the electronic device 210 silences the server, thereby opening the server according to an existing broadcast to another external electronic device (eg, the second external electronic device 230 of FIG. 2 ). may not be notified. The electronic device 210 transmits the second push information including network information (eg, IP address information and/or port information) to the first external electronic device 220, so that only the first external electronic device 220 has a server. can be notified that has been opened. In this case, the electronic device 210 may not be exposed to at least one other external electronic device located close to the electronic device 210 (eg, the second external electronic device 230 of FIG. 2 ), and thus , security can be increased.

Operations

635 and 640 of FIG. 6 according to various embodiments are the same as

operations

530 and 540 of FIG. 5 described above, and thus detailed description thereof will be omitted.

In one embodiment, although not shown, the electronic device 210 may transmit the second push information to the first external electronic device 220 and receive a return result of the transmission of the second push information from the push server. .

In an embodiment, the first external electronic device 220 may perform a connection with the electronic device 210 in operation 645 based on the network information included in the second push information. For example, when second push information is received, the first external electronic device 220 may call a method of the first push information, for example, “messageReceived”. The first external electronic device 220 may read network information (eg, IP address information and/or port information) of the electronic device 210 included in data of the second push information in the method “messageReceived”. The electronic device 210 may decrypt network information (eg, IP address information and/or port information) of the read electronic device 210 using a private key. The first external electronic device 220 connects a socket using the decrypted network information, and connects the electronic device 210 with information (eg notification information, screen information, and/or information related to settings (eg: Connection with the electronic device 210 is completed by setting a state in which transmission and reception of Wi-Fi on/off, user's individual setting information, and/or user input information) is possible. can do.

In one embodiment, the electronic device 210 may perform a connection with the first external electronic device 220 in operation 650 . The electronic device 210 and the first external electronic device 220 may share information in operation 655 . For example, the electronic device 210 may transmit a screen (eg, an application screen) displayed on the display 330 to the first external electronic device 220 . The first external electronic device 220 may display a screen displayed on the display 330 of the electronic device 210 on the display of the first external electronic device 220 . The present invention is not limited thereto, and when a user input for the screen of the electronic device 210 displayed on the display of the first external electronic device 220 is detected, a signal for the user input may be transmitted to the electronic device 210. . The electronic device 210 controls an application-related function (eg, application screen control, application function control) based on a user input received from the first external electronic device 220, and transmits information thereto to the first external electronic device 220. It can be transmitted to the external electronic device 220 . The first external electronic device 220 displays an application screen controlled based on user input (eg, an application screen controlled according to user input or an application screen of a controlled function) on the display of the first external electronic device 220. can do.

In FIG. 6 according to various embodiments, it has been described that the screen sharing function is performed between the electronic device 210 and the first external electronic device 220, but is not limited thereto. For example, a screen sharing function may be performed between the electronic device 210 and the second external electronic device 230. In this case, the operation of the first external electronic device 220 is performed by the second external electronic device 230. can do.

7 is a flowchart 700 illustrating a method of setting a mode of the first external electronic device 220 according to various embodiments.

Referring to FIG. 7 , in operation 705, a first external electronic device (eg, the first external electronic device 220 of FIG. 2 ) operates an electronic device (eg, the external electronic device 210 of FIG. 2 or the second external electronic device 220 of FIG. 2 ). Based on detecting an input for screen sharing with the device 230), a user interface for setting a mode of the first external electronic device 220 may be displayed on the display. In operation 710, the first external electronic device 220 may set the mode of the first external electronic device 220 through the user interface.

In various embodiments, the mode of the first external electronic device 220 may include a first mode and a second mode.

In various embodiments, a first external electronic device (eg, the first external electronic device 220 of FIG. 2 ) is an auxiliary device that receives information shared from another electronic device (eg, the electronic device 210 ). It can work. The present invention is not limited thereto, and the first external electronic device 220 may include information related to the first external electronic device 220 (eg, notification information, screen information, information related to settings (eg, Wi-Fi turned on)). on/off, and/or user's individual setting information) may be operated as a main device that shares other electronic devices (eg, the second external electronic device 230 of FIG. 2 ).

In one embodiment, when the first external electronic device 220 operates as an auxiliary device, it is assumed that the mode of the first external electronic device 220 is set to the first mode, and the first external electronic device 220 When is operated as a main device, it will be described assuming that the mode of the first external electronic device 220 is set to the second mode.

In an embodiment, in operation 715, the first external electronic device 220 may check whether the mode of the first external electronic device 220 is set to the first mode. When the mode of the first external electronic device 220 is set to the first mode (eg, 'yes' in operation 715), in operation 720, the first external electronic device 220 It can be set to operate in the first mode. For example, when the mode of the first external electronic device 220 is set to the first mode, the first external electronic device 220 sets the property value of “isClient”, a parameter related to the mode, to “true”, The external electronic device 220 may be configured to operate in a first mode (eg, an auxiliary device). For example, identification information (eg, token value) of the electronic device (eg, the electronic device 210) stored in the memory of the first external electronic device 220 and identification information (eg, external electronic device 220) of the first external electronic device 220 First push information may be generated based on the ID of the electronic device 220, and the generated first push information may be transmitted to the electronic device (eg, the electronic device 210). It is not limited thereto, and the first external electronic device 220 does not store identification information (eg, token value) of the electronic device (eg, the electronic device 210) in the memory of the first external electronic device 220. Otherwise, in order to receive information shared from the electronic device (eg, the electronic device 210), it is set to search for an electronic device (eg, the electronic device 210) close to the first external electronic device 220. can For example, the first external electronic device 220 may perform an operation of searching for an electronic device to be connected using network service discovery (NSD) or bluetooth scan. In operation 725, the first external electronic device 220 may perform a connection with the searched electronic device (eg, the electronic device 210).

In an embodiment, when the mode of the first external electronic device 220 is not set to the first mode (eg, 'No' in operation 715), the first external electronic device 220, in operation 730, first It may be checked whether the mode of the external electronic device 220 is set to the second mode. When the mode of the first external electronic device 220 is set to the second mode (e.g., 'yes' in operation 730), the first external electronic device 220, in operation 735, the first external electronic device 220 It can be set to operate in the second mode. For example, when the mode of the first external electronic device 220 is set to the second mode, the first external electronic device 220 sets the attribute value of “isClient”, a parameter related to the mode, to “false”, The external electronic device 220 may be set to operate in the second mode (eg, the main device). For example, the first external electronic device 220 may provide information related to the first external electronic device 220 (eg, notification information, screen information, and/or information related to settings (eg, Wi-Fi) on. )/off, and/or user's individual setting information)) to the electronic device (eg, the second external electronic device 230 of FIG. 2 ), the electronic device (eg, the second external electronic device 230 of FIG. 2 ). Set so that the first external electronic device 220 can be searched by the external electronic device 230 (or waits for connection with an electronic device (eg, the second external electronic device 230 of FIG. 2)). can For example, setting the first external electronic device 220 to be searchable by other electronic devices through NSD registration, and/or responding to a Bluetooth connection request received from another electronic device through a Bluetooth broadcast receiver. By responding, the first external electronic device 220 can be set to be in a connectable state. In operation 740, the first external electronic device 220 may perform a connection with an electronic device requesting a connection (eg, the second external electronic device 230).

In an embodiment, in operation 745, the first external electronic device 220 changes the mode of the first external electronic device 220 (eg, changing from the first mode to the second mode, or from the second mode to the first mode). mode) is detected. When an input for changing the mode of the first external electronic device 220 is detected (eg, 'Yes' in operation 745), the first external electronic device 220, in operation 750, connects the connected electronic device (eg, the electronic device 210 or the connection with the second external electronic device 230 may be disconnected, and the first external electronic device 220 may be set to operate in the changed mode.

In one embodiment, if an input for changing the mode of the first external electronic device 220 is not detected (eg, 'No' in operation 745), the first external electronic device 220 branches to operation 715, The first external electronic device 220 may continue to operate in a set mode (eg, the first mode or the second mode).

In an embodiment, when the mode of the first external electronic device 220 is not set to the second mode (eg, 'No' in operation 730), the first external electronic device 220 operates as the first external electronic device 220 in operation 705. An operation of displaying a user interface for setting a mode of the electronic device 220 on the display may be performed. It is not limited to this, and when the mode of the first external electronic device 220 is not set to the second mode (eg: 'No' in operation 730), the first external electronic device 220 terminates the screen sharing function. can do. For example, when the mode of the first external electronic device 220 is not set to the first mode (eg, 'No' in operation 715) and when it is not set to the second mode (eg, 'No' in operation 730) may include a case where an input for setting the mode of the first external electronic device 220 to the first mode or the second mode is not detected for a specified time period. In this case, the first external electronic device 220 may determine not to perform the screen sharing function and terminate the screen sharing function.

8A is a diagram 800 for describing a user interface for setting a mode of a first external electronic device 220 according to various embodiments.

A first external electronic device (eg, the first external electronic device 220 of FIG. 2 ) according to various embodiments may operate in a first mode or a second mode. For example, when set to the first mode, the first external electronic device 220 may operate as an auxiliary device receiving information shared from another electronic device (eg, the electronic device 210). Alternatively, when set to the second mode, the first external electronic device 220 provides information related to the first external electronic device 220 (eg, notification information, screen information, and/or information related to settings (eg, Wi-Fi). (Wi-Fi) on / off (and / or user's individual setting information)) as a main device that shares other electronic devices (eg, the second external electronic device 230 of FIG. 2) It can work.

Referring to FIG. 8A , the first external electronic device 220 is an electronic device (eg, the external electronic device 210 or the second external electronic device 230 of FIG. 2 ) as shown by reference number <810>. Based on detecting an input for screen sharing, a user interface for setting a mode of the first external electronic device 220 may be displayed on the display.

In one embodiment, the user interface includes a first item 811 (eg, tablet to phone) for setting the first external electronic device 220 to operate in the first mode and a second item for setting the operation in the second mode. (813) (eg tablet to pc). When an input for selecting one of the first item 811 and the second item 813 is detected, the first external electronic device 220 (eg, the first item 811 or the second item 813) is detected. , The first external electronic device 220 may be set to operate in a mode (eg, a first mode or a second mode) corresponding to the selected item (eg, the first item 811 or the second item 813). .

In an embodiment, when an input for selecting the first item 811 is detected, the first external electronic device 220 selects a first mode corresponding to the first item 811, for example, the first external electronic device 220. Communication with the electronic device (eg, the electronic device 210) stored in the memory of the memory may be connected. For example, through operations 615 to 650 of FIG. 6 described above, the first external electronic device 220 and the electronic device (eg, the electronic device 210) may be connected through communication.

In one embodiment, based on communication connection with an electronic device (eg, the electronic device 210), the first external electronic device 220, as shown in reference numeral 820, is an electronic device (eg, the electronic device 210). User including history information (eg, information 821 sent and received with the electronic device (eg, the electronic device 210) (eg, file information such as documents, pictures, and/or videos)) with the device 210) interface can be displayed.

In one embodiment, a user interface including history information with an electronic device (eg, the electronic device 210) may further include a third item 823 and a fourth item 825. For example, the third item 823 may be an item for displaying a screen of a connected electronic device (eg, the electronic device 210). The fourth item 825 may be an item for changing the mode of the first external electronic device 220 .

In one embodiment, although not shown, when an input for selecting the third item 823 is detected, the first external electronic device 220 displays it on the display 330 of the electronic device (eg, the electronic device 210). A screen may be received and displayed on the display of the first external electronic device 220 .

In one embodiment, when an input for selecting the fourth item 825 is detected, the first external electronic device 220 may display a list including an item for changing the mode of the first external electronic device 220. there is. In this regard, it will be described in more detail in FIG. 8B to be described later.

In one embodiment, although not shown, when identification information (eg, a token value) of an electronic device (eg, the electronic device 210) is not stored in the memory of the first external electronic device 220, the first external electronic device 220 The electronic device 220 may be set to perform an operation of searching for other electronic devices close to the first external electronic device 220 . Through an operation of searching for other electronic devices close to the first external electronic device 220, the first external electronic device 220 may display a list of searched electronic devices, and other electronic devices to be connected from the displayed list of electronic devices. By selecting an electronic device, an initial connection with another electronic device may be performed.

In an embodiment, when an input for selecting the second item 813 is detected, the first external electronic device 220 selects a second mode corresponding to the second item 813, for example, the first external electronic device 220. may be set to be in a searchable state by other electronic devices (or in a waiting state for connection with other electronic devices). When the first external electronic device 220 is in a searchable standby state (or waiting for connection with another electronic device), the first external electronic device 220, as shown in reference number <830>, A text about the waiting state (eg Waiting for connection...) can be displayed on the display.

FIG. 8B is a diagram 850 for describing a user interface for changing a mode of the first external electronic device 220 according to various embodiments.

FIG. 8B according to various embodiments shows that the first external electronic device (eg, the first external electronic device 220 of FIG. 2 ) is set to the first mode and operates as an auxiliary device, while the first external electronic device is operating as an auxiliary device. It is a diagram for explaining the operation of changing the mode of 220.

In various embodiments, the first external electronic device 220 displays items (eg, a third item (eg, a third item ( 823) and the fourth item 825), when an input for selecting the fourth item 825 is detected, as shown in FIG. 8B, including an item for changing the mode of the first external electronic device 220 A list 860 may be displayed. The list 860 including an item for mode change includes a fifth item 861 (eg, Connect to computer) for changing from the first mode to the second mode and changing an electronic device to be connected while maintaining the first mode. A sixth item 863 (eg, Connect to new phone) may be included. However, it is not limited thereto.

In one embodiment, when an input for selecting the fifth item 861 for changing the first mode of the first external electronic device 220 to the second mode is detected from the list 860, the first external electronic device ( 220) may initialize the setting value of the first mode so that the first external electronic device 220 operates in the second mode.

In one embodiment, when an input for selecting the sixth item 863 for changing the electronic device to be connected while maintaining the first mode is detected from the list 860, the first external electronic device 220 is connected to the electronic device. A connection with a device (eg, the electronic device 210 ) may be disconnected, and a communication connection may be made with another electronic device stored in the first external electronic device 220 . For example, through operations 615 to 650 of FIG. 6 described above, the first external electronic device 220 and other electronic devices may be connected through communication. It is not limited thereto, and when identification information (eg, a token value) of an electronic device other than the electronic device (eg, the electronic device 210) is not stored in the memory of the first external electronic device 220, the first The external electronic device 220 may perform an initial connection with another electronic device through an operation of searching for other electronic devices close to the first external electronic device 220 .

Conventionally, the mode of the first external electronic device 220 is fixed (eg, fixed to perform only the first mode), whereas in FIGS. 8A and 8B according to various embodiments, the user selects the first external electronic device 220 Utilization of the screen sharing function and usability of the first external electronic device 220 may be increased by providing a user interface to set a mode (eg, a first mode or a second mode).

FIG. 9 is a diagram 900 illustrating a signal flow for mode change of a first external electronic device 220 during communication connection between the electronic device 210 and the first external electronic device 220 according to various embodiments. )to be.

Referring to FIG. 9 , in operation 905, a first external electronic device (eg, the first external electronic device 220 of FIG. 2 ) performs screen sharing with an electronic device (eg, the electronic device 210 of FIG. 2 ). Based on the detection of the input, a user interface for setting a mode of the first external electronic device 220 may be displayed on the display. The first external electronic device 220 may set the mode of the first external electronic device 220 through a user interface displayed on the display.

In one embodiment, as described above with reference to FIG. 8A, the user interface is a first item configured to operate the first external electronic device 220 in the first mode (eg, the first item 811 of FIG. 8A). ) and a second item (eg, the second item 813 of FIG. 8A) configured to operate in the second mode. When the first external electronic device 220 detects an input for selecting one of the first item 811 and the second item 813, the first external electronic device 220 selects the selected item (eg, the first external electronic device 220). It can be set to operate in a mode corresponding to the item 811 or the second item 813.

In an embodiment, in operation 915, the first external electronic device 220 may check whether the mode of the first external electronic device 220 is set to the first mode. When the mode of the first external electronic device 220 is set to the first mode (eg, 'yes' in operation 915), in operation 920, the first external electronic device 220 It can be set to operate in the first mode.

For example, when an input for selecting the first item 811 is detected in the user interface for setting the mode of the first external electronic device 220, the first external electronic device 220 operates as the first external electronic device 220. may be set to operate in a first mode corresponding to the first item 811 . For example, when an input for selecting the first item 811 is detected in the user interface for setting the mode of the first external electronic device 220, the first external electronic device 220 operates as the first external electronic device 220. Set the property value of “isClient”, a parameter related to mode setting, to “true”, and communicate with an electronic device (eg, the electronic device 210) stored in the memory of the first external electronic device 220 in the first mode, for example. can connect For example, through operations 615 to 650 of FIG. 6 described above, the first external electronic device 220 and the electronic device (eg, the electronic device 210) may be connected through communication.

In one embodiment, although not shown, when identification information (eg, a token value) of an electronic device (eg, the electronic device 210) is not stored in the memory of the first external electronic device 220, the first external electronic device 220 The electronic device 220 may be set to perform an operation of searching for an electronic device close to the first external electronic device 220 . For example, the first external electronic device 220 may perform an operation of searching for an electronic device to be connected using NSD and Bluetooth scanning. Through an operation of searching for electronic devices close to the first external electronic device 220, a list of searched electronic devices may be displayed.

In one embodiment, when the mode of the first external electronic device 220 is set to the first mode, the mode of the electronic device 210 connected to the first external electronic device 220 is automatically set to the second mode. can For example, in operation 925, the electronic device 210 may set the electronic device 210 to operate in the second mode. In one embodiment, the second mode may be a mode in which the electronic device 210 is set to be in a searchable state by the first external electronic device 220 (or a state of waiting for connection with another electronic device).

In an embodiment, the first external electronic device 220 generates first push information based on the identification information of the first external electronic device 220 and the identification information of the electronic device 210 in operation 930, and in operation 935 In operation, the generated first push information may be transmitted to the electronic device 210 .

Operations

930 and 935 of FIG. 9 according to various embodiments are the same as

operations

In an embodiment, the electronic device 210 may generate second push information including network information in operation 940 and transmit the second push information to the first external electronic device 220 in operation 945 .

Since

operations

940 and 945 of FIG. 9 according to various embodiments are the same as

operations

530 and 540 of FIG. 5 described above, a detailed description thereof will be omitted.

In one embodiment, the first external electronic device 220 may be connected to the electronic device 210 based on network information of the electronic device 210 in operation 950 . The electronic device 210 may be connected to the first external electronic device 220 in operation 955 .

In one embodiment, the electronic device 210 and the first external electronic device 220 may share information in operation 960 . For example, the first external electronic device 220 may receive a screen displayed on the display 330 of the electronic device 210 and display it on the display of the first external electronic device 220 . The present invention is not limited thereto, and when detecting a user input for the screen of the electronic device 210 displayed on the display of the first external electronic device 220, the first external electronic device 220 transmits a signal for the user input electronically. device 210. The first external electronic device 220 is an application screen controlled based on a user input received by the electronic device 210 from the first external electronic device 220 (eg, an application screen controlled according to a user input or a controlled function). The application screen of) may be displayed on the display of the first external electronic device 220 .

Since operation 955 of FIG. 9 according to various embodiments is the same as operation 650 of FIG. 6 described above, a detailed description thereof will be omitted.

In various embodiments, although not shown, when the electronic device 210 set to the second mode is not found, the first external electronic device 220 requests execution of a screen sharing function (eg, a screen sharing application). A message (eg, please execute the screen sharing function on the electronic device 210 to be connected.”) may be displayed on the display of the first external electronic device 220 . By displaying a message requesting execution of the screen sharing function on the display of the first external electronic device 220 , the user may be notified to execute the screen sharing function on the electronic device 210 . The user can check a message requesting execution of the screen sharing function on the display of the first external electronic device 220 and execute the screen sharing function on the electronic device 210 .

In an embodiment, when an input for executing the screen sharing function is detected, the electronic device 210 may display the screen of the executed screen sharing function (eg, application) on the display 330 . As the screen sharing function is executed, the electronic device 210 may become a searchable state. For example, through network service discovery (NSD) registration, the electronic device 210 may be configured to be searchable by other electronic devices.

The present invention is not limited thereto, and the electronic device 210 responds to a Bluetooth connection request received from another electronic device through a Bluetooth broadcast receiver, so that the electronic device 210 can be configured to be in a connectable state. there is. The first external electronic device 220 completes the search for the electronic device 210, and receives the electronic device 210 such as a MAC address and network information (eg, IP address information and/or port information) from the electronic device 210. You can lead (e.g., obtain) information necessary for connection with The first external electronic device 220 connects a socket using the read MAC address and network information (eg, IP address information and/or port information) to connect the electronic device 210 and information (eg, notification). transmission and reception of information, screen information, and/or information related to settings (e.g., Wi-Fi on/off, information on individual user settings, and/or information on user input) By setting to a possible state, the connection with the electronic device 210 can be completed.

In an embodiment, the first external electronic device 220 may detect an input for changing the first mode to the second mode in operation 970 . For example, selecting a fifth item 861 for changing from the first mode to the second mode in the list 860 including items for changing the mode of the first external electronic device 220 shown in FIG. 8B. input can be detected. In operation 980, the first external electronic device 220 may release the connection with the electronic device 210 and set the first external electronic device 220 to operate in the second mode. In one embodiment, when the mode of the first external electronic device 220 is changed from the first mode to the second mode, the first external electronic device 220 performs a screen sharing function received from the electronic device 210. Since it does not, the session may be terminated and the connection with the electronic device 210 may be disconnected.

Conventionally, the first external electronic device 220 maintains a session for a specified time to reconnect with the electronic device 210, but in various embodiments of the present disclosure, when an input for changing a mode is detected, the session is immediately stopped. and prepare a new session for connection with the new device.

In one embodiment, when the first external electronic device 220 is set to operate in the changed second mode, the first external electronic device 220 sets a parameter “isClient” related to the mode setting of the first external electronic device 220. An attribute value of is set to “false”, and the second mode, for example, the first external electronic device 220 may be set to be in a searchable state by other electronic devices. For example, the first external electronic device 220 may terminate the operation of the first mode and initialize a value set to operate in the first mode. The first external electronic device 220 may be in a standby state for connection with a new electronic device.

In one embodiment, the first external electronic device 220 may transmit a signal for disconnection with the electronic device 210 to the electronic device 210 . The electronic device 210 may disconnect the first external electronic device 220 in operation 985 based on the signal for disconnection received from the first external electronic device 220 .

In one embodiment, when the mode of the first external electronic device 220 is not set to the first mode (eg, 'No' in operation 915), the first external electronic device 220 operates at 1005 of FIG. 10 to be described later. action can be performed.

FIG. 10 illustrates a signal flow for communication connection between a first external electronic device 220 and a second external electronic device 230 according to a mode change of the first external electronic device 220 according to various embodiments. It is a drawing 1000.

10 according to various embodiments may be an additional operation of the above-described FIG. 9 .

Referring to FIG. 10 , in operation 1005, the first external electronic device (eg, the first external electronic device 220 of FIG. 2 ) is in a second mode (eg, the mode set in operation 980 of FIG. 9 ), capable of searching. It may be set to be in a state (or a state of waiting for connection with another electronic device). For example, by setting the first external electronic device 220 to be searchable by other electronic devices through NSD registration or responding to a Bluetooth connection request through a Bluetooth broadcast receiver, the first external electronic device 220 It can be set to be in a connectable state. After setting the first external electronic device 220 to be in a searchable state, it may enter a standby state. After entering the standby state, the first external electronic device 220 may display a guide message prompting the second external electronic device (eg, the second external electronic device 230 of FIG. 2 ) to complete connection setup on the display. there is.

In one embodiment, in operation 1010, the second external electronic device 230 may be set to operate in the first mode. For example, when the mode of the first external electronic device 220 is set to the second mode, the mode of the second external electronic device 230 connected to the first external electronic device 220 is automatically set to the first mode. can

In an embodiment, the second external electronic device 230 may detect an input for screen sharing with the first external electronic device 220 in operation 1015 . For example, the input for screen sharing may include an input for executing a screen sharing application. However, it is not limited thereto.

In an embodiment, the second external electronic device 230, in operation 1025, stores identification information (eg, token value of the first external electronic device 220) of the first external electronic device 220 and the second external electronic device 220 . First push information may be generated based on identification information of the device 230 (eg, ID of the second external electronic device 230). The second external electronic device 230 may transmit the first push information to the first external electronic device 220 in operation 1030 .

In an embodiment, the first external electronic device 220 generates second push information including network information in operation 1035 and transmits the second push information to the second external electronic device 230 in operation 1040. can In operation 1045, the second external electronic device 230 may be connected to the first external electronic device 220 based on network information of the first external electronic device 220. The first external electronic device 220 may be connected to the second external electronic device 230 in operation 1050 .

In one embodiment, the first external electronic device 220 and the second external electronic device 230 may share information in operation 1055 . For example, the second external electronic device 230 may receive a screen displayed on the display of the first external electronic device 220 and display it on the display of the second external electronic device 230 . It is not limited thereto, and when detecting a user input on the screen of the first external electronic device 220 displayed on the display of the second external electronic device 230, the second external electronic device 230 responds to the user input. A signal may be transmitted to the first external electronic device 220 . The second external electronic device 230 receives an application screen controlled based on a user input (eg, an application screen controlled according to a user input or an application screen of a controlled function) from the first external electronic device 220, It can be displayed on the display of the second external electronic device 230 .

In various embodiments, although not shown, when the mode of the first external electronic device 220 is changed from the second mode to the first mode, the first external electronic device 220 operates as a second external electronic device 230 Since the screen sharing operation is not performed with , the session may be terminated and the connection with the second external electronic device 230 may be disconnected. For example, the first external electronic device 220 terminates the service of the second mode, ends an operation searched by another electronic device, and sets a value set so that the first external electronic device 220 in the second mode can search. (eg, a value set to operate in the second mode) may be initialized.

7 to 10 according to various embodiments, the first external electronic device 220 enables the first external electronic device 220 to perform in the first mode or the second mode, so that the user has a cross-device experience ( cross device experience). For example, a user using the first external electronic device 220 displays a user interface for mode change while using the first external electronic device 220 in the first mode (or second mode). mode) can be changed to operate. As the modes of the first external electronic device 220 are extended and supported, usability of the first external electronic device 220 may be enhanced.

The various embodiments disclosed in this specification and drawings are only presented as specific examples to easily explain the technical content of the present disclosure and help understanding of the present disclosure, and are not intended to limit the scope of the present disclosure. Therefore, the scope of the present disclosure should be construed as including all changes or modified forms derived based on the technical spirit of the present disclosure in addition to the embodiments disclosed herein.

Claims

In electronic devices,

communication circuit;

Memory; and

a processor operatively coupled with the communication circuitry and the memory;

the processor,

Receiving first push information including identification information of the external electronic device from an external electronic device through the communication circuit;

Based on receiving the first push information, determine whether identification information of the external electronic device included in the first push information is stored in the memory;

When it is confirmed that the identification information of the external electronic device is stored in the memory, a function for screen sharing with the external electronic device is automatically executed, and network information of the electronic device for connection with the external electronic device and Based on the identification information of the external electronic device, second push information is generated;

transmits the generated second push information to the external electronic device through the communication circuit; and

An electronic device configured to perform a connection with the external electronic device.
According to claim 1,

The second push information includes a parameter related to transmission of the second push information, and

The electronic device of claim 1 , wherein the parameter includes at least one of recipient, priority, data, valid period, and overlapping push information.
According to claim 1,

The memory includes token information of the external electronic device, identification information of the external electronic device, a secret key for encrypting and/or decrypting data transmitted and received with the external electronic device, and/or transmission of the second push information and An electronic device set up to store associated server keys.
According to claim 3,

the processor,

Based on the secret key, encrypt network information of the electronic device, and

The electronic device configured to generate the second push information based on the identification information of the electronic device and the encrypted network information of the electronic device.
According to claim 1,

the processor,

An electronic device configured to disconnect from the external electronic device when receiving a signal for disconnection from the external electronic device through the communication circuit.
In electronic devices,

communication circuit;

Memory; and

a processor operatively coupled with the communication circuitry and the memory;

the processor,

Based on detecting an input for screen sharing with an external electronic device, generating first push information based on identification information of the external electronic device and identification information of the electronic device stored in the memory;

transmits the generated first push information to the external electronic device through the communication circuit; and

The electronic device configured to perform a connection with the external electronic device based on the network information when second push information including network information of the external electronic device is received from the external electronic device through the communication circuit.
According to claim 6,

The first push information includes parameters related to transmission of the first push information;

The parameter includes at least one of recipient, priority, data, validity period, or duplicate push information, and

The network information includes IP address information or port information.
According to claim 7,

the processor,

Based on the network information, connect a socket, and

An electronic device configured to transmit/receive information with the external electronic device based on the connection of the socket.
According to claim 6,

The memory includes token information of the external electronic device, identification information of the external electronic device, a secret key for encrypting and/or decrypting data transmitted and received with the external electronic device, and/or transmission of the first push information and An electronic device set up to store associated server keys.
According to claim 6,

further comprising a display;

the processor,

In response to the transmission of the first push information, when a message regarding transmission failure of the first push information is received, instead of retransmitting the first push information, a message guiding the execution of the screen sharing function The display An electronic device set to display on.
According to claim 6,

the processor,

When information on a plurality of external electronic devices is stored in the memory, first push information is generated based on identification information of a recently connected external electronic device among the plurality of external electronic devices and identification information of the electronic device; and

An electronic device configured to transmit the generated first push information to the recently connected external electronic device through the communication circuit.
According to claim 6,

further comprising a display;

the processor,

Displaying a user interface for setting a mode of the electronic device on the display;

setting the mode of the electronic device through the user interface; and

setting the electronic device to operate in the set mode;

The mode of the electronic device includes a first mode and a second mode,

The first mode is a mode operating as an auxiliary device receiving information shared from the external electronic device, and

The second mode is a mode in which the electronic device operates as a main device that shares information related to the electronic device with a second external electronic device.
According to claim 12,

the processor,

When the mode of the electronic device is set to the first mode, first push information is generated based on the identification information of the external electronic device and the identification information of the electronic device stored in the memory, and through the communication circuit, the transmits the generated first push information to the external electronic device; and

When the mode of the electronic device is set to the second mode, the electronic device is configured to be in a searchable state by the second external electronic device or in a waiting state for connection with the second external electronic device.
According to claim 6,

the processor,

When an input for changing the mode of the electronic device is detected while transmitting and receiving information with the connected external electronic device, the connection with the external electronic device is disconnected, and

An electronic device set to be in a standby state for connection with a second external electronic device.
A method for connecting an external electronic device of an electronic device,

receiving first push information including identification information of the external electronic device from an external electronic device;

determining whether identification information of the external electronic device included in the first push information is stored in a memory, based on receiving the first push information;

When it is confirmed that the identification information of the external electronic device is stored in the memory, a function for screen sharing with the external electronic device is automatically executed, and network information of the electronic device for connection with the external electronic device and generating second push information based on the identification information of the external electronic device;

transmitting the generated second push information to the external electronic device; and

A method comprising performing a connection with the external electronic device.