WO2021261778A1

WO2021261778A1 - Electronic device for receiving power wirelessly and operation method thereof

Info

Publication number: WO2021261778A1
Application number: PCT/KR2021/006435
Authority: WO
Inventors: 류주열; 김아람; 백명균; 손동일; 조재혁
Original assignee: 삼성전자 주식회사
Priority date: 2020-06-22
Filing date: 2021-05-24
Publication date: 2021-12-30
Also published as: KR20210157722A

Abstract

According to various embodiments, an electronic device comprises: at least one sensor; a charging circuit set to charge an external electronic device inserted into or disposed on the electronic device; a wireless charging circuit set to receive power wirelessly; and at least one processor. The at least one processor may be set to control the charging circuit to charge the external electronic device, confirm the occurrence of an event set to stop the charging of the external electronic device on the basis of at least one data provided from the at least one sensor while the charging circuit is charging the external electronic device, control the charging circuit to stop the charging of the external electronic device on the basis of confirming the occurrence of the event, and control the charging circuit to resume the charging of the external electronic device on the basis of confirming that the wireless charging circuit started wireless charging after the charging of the external electronic device was stopped. Various other embodiments are also possible.

Description

Electronic device receiving power wirelessly and operating method therefor

Various embodiments relate to an electronic device for wirelessly receiving power and a method of operating the same.

For many people living in modern times, portable digital communication devices have become an essential element. Consumers want to be provided with a variety of high-quality services that they want anytime, anywhere. In addition, due to the recent IoT (Internet of Thing), various sensors, home appliances, and communication devices that exist in our daily life are being networked into one. In order to smoothly operate these various sensors, a wireless power transmission system is required.

Wireless power transmission includes magnetic induction, magnetic resonance, and electromagnetic wave methods. The magnetic induction or magnetic resonance method is advantageous for charging an electronic device located relatively close to the wireless power transmitter. The electromagnetic wave method is more advantageous for long-distance power transmission up to several meters in a magnetic induction or magnetic resonance method. The electromagnetic wave method can be mainly used for long-distance power transmission.

The wireless power transmitter may identify a location of an electronic device for wirelessly receiving power (eg, a location of a secondary-side coil of the electronic device). The wireless power transmitter may adjust a position of a coil (eg, a primary-side coil) in response to a position of the electronic device. Wireless power transmission/reception efficiency is affected by the alignment of coils (primary-side coil and secondary-side coil), and accordingly, accurate confirmation of the location of the electronic device is required.

The electronic device may include a device (or module) that influences the wireless power transmission device to determine the location of the electronic device. For example, the electronic device may wirelessly charge an external electronic device (eg, a stylus pen). In this case, the magnetic field generated for charging the external electronic device may affect the location check of the electronic device of the wireless power transmitter, and the accuracy of the location of the electronic device may be deteriorated.

The electronic device and the method of operating the same according to various embodiments of the present disclosure may limit (or stop) the performance of at least one device in the electronic device before the wireless power transmitter confirms the location of the electronic device.

According to various embodiments, the electronic device includes at least one sensor, a charging circuit configured to charge an external electronic device inserted into or disposed on the electronic device, a wireless charging circuit configured to wirelessly receive power, and at least one processor, wherein the at least one processor controls the charging circuit to charge the external electronic device, provided from the at least one sensor while the charging circuit is charging the external electronic device Based on the at least one data that is used, check the occurrence of an event set to stop charging of the external electronic device, and control the charging circuit to stop charging of the external electronic device based on the occurrence of the event confirmation, , after stopping charging of the external electronic device, based on confirming that the wireless charging circuit starts wireless charging, the charging circuit may be set to control the charging circuit to resume charging of the external electronic device.

According to various embodiments, the electronic device may include a charging circuit configured to charge an external electronic device inserted in or disposed on the electronic device, a wireless charging circuit configured to wirelessly receive power, and at least one processor including, wherein the at least one processor controls the charging circuit to charge the external electronic device, and while the charging circuit charges the external electronic device, based on at least one data from the wireless charging circuit to check occurrence of an event set to stop charging of the external electronic device, control the charging circuit to stop charging of the external electronic device based on the occurrence of the event confirmation, and charge the external electronic device After stopping, based on confirming that the wireless charging circuit starts wireless charging, it may be set to control the charging circuit to resume charging of the external electronic device.

According to various embodiments, an electronic device includes a wireless charging circuit configured to wirelessly receive power, and at least one processor, wherein the at least one processor includes at least one device included in the electronic device. While performing the first operation of to limit the performance of the at least one first operation of the at least one device, and to confirm that the wireless charging circuit initiates wireless charging after limiting the performance of the at least one first operation , to control the at least one device to release a restriction on performing the at least one first operation.

According to various embodiments, an electronic device capable of limiting (or stopping) the performance of at least one device in the electronic device before the wireless power transmitting device confirms the location of the electronic device, and an operating method thereof may be provided. . Accordingly, the accuracy of positioning the electronic device of the wireless power transmitter may be improved.

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

2A illustrates a wireless power transmission device, an electronic device, and a stylus pen according to various embodiments of the present disclosure;

2B illustrates a positional relationship between a coil for detecting a position of a wireless power transmitter, a coil for wireless charging, and coils in an electronic device according to various embodiments of the present disclosure.

2C illustrates a coil for position detection according to various embodiments.

3 is a block diagram illustrating a configuration of an electronic device according to various embodiments of the present disclosure;

4 is a block diagram illustrating a stylus pen, according to various embodiments.

5 is a flowchart illustrating operations of an electronic device and a stylus pen according to various embodiments of the present disclosure;

6A is a diagram for describing an order of operations of an electronic device, a stylus pen, and a wireless power transmitter according to various embodiments of the present disclosure;

6B illustrates an electronic device and a wireless power transmitter according to various embodiments of the present disclosure.

7 is a flowchart illustrating an operation of an electronic device according to various embodiments of the present disclosure.

8A is a flowchart illustrating an operation of an electronic device according to various embodiments of the present disclosure;

8B is a flowchart illustrating an operation of an electronic device according to various embodiments of the present disclosure;

9A is a diagram for describing a method of operating an electronic device according to various embodiments of the present disclosure;

9B is a diagram for describing a positional relationship between coils of a wireless power transmitter, an electronic device, and an external electronic device, according to various embodiments of the present disclosure;

10 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure;

11 is a diagram for describing a pulse in coils of a wireless power transmitter and an electronic device according to various embodiments of the present disclosure;

12 is a view for explaining the timing of operations of a stylus pen, an electronic device, and a wireless power transmitter according to various embodiments of the present disclosure;

13 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure;

14 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.

15 is a flowchart illustrating an operating method of an apparatus for transmitting power wirelessly and an electronic device according to various embodiments of the present disclosure.

16 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.

17 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.

18 is a view for explaining an NFC coil and a coil for power reception, according to various embodiments.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

electronic devices

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

electronic devices

102 , 104 , or 108 . For example, when the electronic device 101 is to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, one or more external electronic devices may be requested to perform at least a part of the function or the service. One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 . The electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request. For this, 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 an embodiment, the external electronic device 104 or the server 108 may be included in the second network 199 . The electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

Referring to FIG. 2A , the wireless power transmitter 250 according to various embodiments may wirelessly transmit power 161 to the electronic device 101 . For example, the wireless power transmitter 250 may transmit power 161 when the electronic device 101 is disposed on the wireless power transmitter 250 . The wireless power transmitter 250 may transmit power 161 to the electronic device 101 according to various charging methods. For example, the apparatus 250 for transmitting power wirelessly may transmit power 161 according to an induction method. When the wireless power transmission device 250 is by induction method, the wireless power transmission device 250 is, for example, a power source, a DC-AC conversion circuit, an amplifier circuit, an impedance matching circuit, at least one capacitor, at least one of a coil, a communication modulation/demodulation circuit, and the like. The at least one capacitor may constitute a resonance circuit together with the at least one coil. The wireless power transmitter 250 may be implemented in a manner defined in a wireless power consortium (WPC) standard (or Qi standard). For example, the apparatus 250 for transmitting power wirelessly may transmit power 161 according to a resonance method. In the case of the resonance method, the wireless power transmitter 250 includes, for example, a power source, a DC-AC conversion circuit, an amplifier circuit, an impedance matching circuit, at least one capacitor, at least one coil, and an out-band communication module ( For example: BLE (bluetooth low energy) communication module), etc. may be included. At least one capacitor and at least one coil may constitute a resonance circuit. The wireless power transmitter 250 may be implemented in a manner defined in an Alliance for Wireless Power (A4WP) standard (or an air fuel alliance (AFA) standard). The wireless power transmitter 250 may include a coil capable of generating an induced magnetic field when a current flows according to a resonance method or an induction method. A process in which the wireless power transmitter 250 generates an induced magnetic field may be expressed as that the wireless power transmitter 250 wirelessly transmits power 161 . In addition, the electronic device 101 may include a coil in which an induced electromotive force is generated by a magnetic field whose size changes according to time formed around it. The process of generating the induced electromotive force through the coil may be expressed as that the electronic device 101 receives the power 161 wirelessly.

The wireless power transmitter 250 according to various embodiments of the present disclosure may communicate with the electronic device 101 . For example, the wireless power transmitter 250 may communicate with the electronic device 101 according to an in-band scheme. The wireless power transmitter 250 or the electronic device 101 may change a load (or impedance) of data to be transmitted, for example, according to an on/off keying modulation scheme. The wireless power transmitter 250 or the electronic device 101 may determine data transmitted from the counterpart device by measuring a load change (or impedance change) based on a change in the magnitude of current, voltage, or power of the coil. have. For example, the wireless power transmitter 250 may communicate with the electronic device 101 according to an out-band method. The wireless power transmitter 250 or the electronic device 101 may transmit/receive data using a communication module (eg, a BLE communication module) provided separately from the coil or patch antenna.

The electronic device 101 according to various embodiments may include a first coil 221 for wirelessly receiving power 161 from the wireless power transmitter 250 . An induced electromotive force may be formed in the first coil 221 by the electric power 161 , in which a voltage is applied to the first coil 221 or electric power (or current) is output from the first coil 221 . It may be expressed as The electronic device 101 may process (eg, at least one of rectifying, DC/DC converting, and regulating) the power output from the first coil 221 , and use the processed power to charge the battery or , can operate the included device (or module).

Meanwhile, the electronic device 101 according to various embodiments may include a structure into which the stylus pen 201 may be inserted. The electronic device 101 may include a housing 210 , and a hole 211 may be provided in a portion of the housing 210 , for example, a portion of the side surface 210a. The electronic device 101 may include a first internal space 212 that is an accommodation space connected to the hole 211 , and the stylus pen 201 may be inserted into the first internal space 212 . According to the illustrated embodiment, the stylus pen 201 includes a first button 201a that can be pressed at one end so as to easily take the stylus pen 201 out of the first internal space 212 of the electronic device 101 . may include When the first button 201a is pressed, a repulsion mechanism configured in association with the first button 201a (for example, a repulsion mechanism by at least one elastic member (eg, a spring)) operates, so that the first inner space ( The stylus pen 201 may be separated from the 212 .

The electronic device 101 according to various embodiments may include a means for charging the stylus pen 201 , for example, the second coil 222 . The electronic device 101 may transmit power for charging the stylus pen 201 through the second coil 222 . For example, the electronic device 101 applies AC power (or AC current, or AC voltage) to the second coil 222 by controlling at least one of a power supply and an inverter. can do. In the second coil 222 , an induced magnetic field may be formed based on AC power. In the coil in the stylus pen 201, an induced electromotive force by an induced magnetic field may be formed. The stylus pen 201 may charge an internal battery or operate an internal device (or module) based on power received from a coil in the stylus pen 201 .

In this document, the wireless power transmission device 250 or the electronic device 101 performing a specific operation, various hardware included in the wireless power transmission device 250 or the electronic device 101, for example, such as a processor It may mean that a control circuit, a coil, or the like performs a specific operation. Alternatively, when the wireless power transmitter 250 or the electronic device 101 performs a specific operation, it may mean that the processor controls other hardware to perform the specific operation. Alternatively, when the wireless power transmission device 250 or the electronic device 101 performs a specific operation, the specific operation stored in the storage circuit (eg, memory) of the wireless power transmission device 250 or the electronic device 101 is performed. As an instruction to perform is executed, it may mean causing a processor or other hardware to perform a specific operation.

2B illustrates a positional relationship between a coil for detecting a position of a wireless power transmitter, a coil for wireless charging, and coils in an electronic device according to various embodiments of the present disclosure. The embodiment of FIG. 2B will be described in more detail with reference to FIG. 2C. 2C illustrates a coil for position detection according to various embodiments.

Referring to FIG. 2B , the wireless power transmitter 250 according to various embodiments may include a plurality of first position detection coils 251 and a plurality of second position detection coils 252 . For example, the plurality of first position detection coils 251 may extend in the x-axis direction, and the plurality of second position detection coils 252 may extend in the y-axis direction. The wireless power transmission device 250 may include a coil 290 for wireless charging. Referring to FIG. 2C , any one of the position detection coils 251a may be wound twice, for example, by the first winding 253 and the second winding 255 , but the number of windings is not limited.

According to various embodiments, the wireless power transmitter 250 may detect the placement of the electronic device 101 based on electrostatics generated when the electronic device 101 is disposed. The wireless power transmitter 250 uses the coils 251,252 for detecting the position based on the detection of the arrangement of the electronic device 101 to determine the position of the electronic device 101 (eg, the position of the coil 221 ). location) can be found. The wireless power transmitter 250 may apply a short pulse train (eg, pulses 261,262,263,264) to each of the position detection coils 251,252. In FIG. 2c , four pulses are shown, but the number of pulses is merely exemplary, for example, when conforming to the Qi standard, eight pulses may be applied to each of the position detection coils 251,252 . Each of the pulses 261,262, 263,264 may cause a magnetic field in each of the position detection coils 251,252. The magnetic field may cause resonance in the coil 221 of the electronic device 101 at 1 MHz, for example. Due to the resonance, an electromagnetic field may be emitted from the coil 221 , and the electromagnetic field may cause an induced electromotive force in each of the position detection coils 251,252 . The wireless power transmission device 250 analyzes a response from each of the coils 251,252 for position detection, and thus the position (eg, the coil 221 ) of the electronic device 101 (eg, P2 ). ) can be checked. For example, the wireless power transmission apparatus 251,252 may include at least one coil in which a response from the electronic device 101 is detected among the position detection coils 251,252 (or at least one coil having a maximum response size). ), the location of the electronic device 101 may be checked based on the location of the electronic device 101 , but this is merely an example and a method of measuring the location is not limited. The wireless power transmission device 250 may move the charging coil 290 located in the initial position (eg, P1) to the confirmed position (eg, P2) ( 291 ). Accordingly, the charging coil 290 and the coil 221 of the electronic device 101 may be substantially aligned, thereby increasing wireless power transmission/reception efficiency.

According to various embodiments, the electronic device 101 may apply a current to the coil 222 to charge the stylus pen 201 , for example. The current applied to the coil 222 may cause a magnetic field. The wireless power transmission device 250 may recognize a magnetic field for charging the stylus pen 201 through a position detection coil. Accordingly, the wireless power transmitter 250 misrecognizes the location of the electronic device 101 as a location (eg, P3) where the coil 222 for charging the stylus pen 201 is located, or the stylus Positioning of the pen 201 may fail.

The electronic device 101 according to various embodiments may temporarily stop charging the stylus pen 201 before wirelessly receiving power, for example, in this case, the wireless power transmitter 250 The location of the electronic device 101 may be accurately determined.

According to various embodiments, the electronic device 101 may include at least one of a processor 120 , a sensor module 176 , a wireless charging circuit 261 , and a charging circuit 262 .

The wireless charging circuit 261 according to various embodiments may be configured to receive and process power wirelessly from, for example, the wireless power transmission device 250 . For example, the wireless charging circuit 261 includes a coil (eg, coil 221 ) for outputting AC power (or AC current) based on a magnetic field formed from the wireless power transmission device 250 (eg, coil 221 ), AC It may include at least one of a rectifier for rectifying power, a converter for converting a voltage of the rectified DC power, and a regulator for regulating the rectified DC power. The processed power may be used, for example, to charge a battery (not shown), and in this case, the processed power may be provided to a charger (not shown). Alternatively, the processed power may be provided to the PMIC, and the PMIC may provide power used for operation of a device (or module) in the electronic device 101 .

The charging circuit 262 according to various embodiments may charge an external electronic device (eg, the stylus pen 201 ). The charging circuit 262 may include, for example, a pen controller (not shown) or at least one coil (eg, the coil 222 ). The pen controller may include at least one coil (eg, the coil 222), and supplies charging power to the stylus pen 201 through the at least one coil (eg, the coil 222). can provide At least one coil (eg, the coil 222 ) is positioned physically adjacent to the coil 421 of the stylus pen 201 when the stylus pen 201 is inserted into the receiving space of the electronic device 101 . may be disposed on, but there is no limitation on the location of the arrangement. On the other hand, insertion into the storage space is merely exemplary, and the electronic device 101 may include, in addition to the storage space, an area (or space) in which the stylus pen 201 can be mounted (or attached). In this case, the stylus pen 201 may be detachably attached to the corresponding area (or space). Those skilled in the art will understand that the operation when the stylus pen 201 is positioned in the receiving space in the present disclosure may be performed when it is attached to the mounting area (or the attachment area or the attachment space) in another embodiment. At least some functions of the pen controller may be performed by the processor 120 , or the pen controller and the processor 120 may be integrated to perform at least some functions. In the present disclosure, the expression that the pen controller performs a specific operation may mean performed by the processor 120 or a control circuit independent from the processor 120 . The pen controller may include a control circuit (eg, a control circuit independent from the processor 120 ), an inverter, and/or an amplifier in addition to at least one coil (eg, the coil 222 ). As described above, the pen controller may not include a control circuit, and in this case, a signal for charging is provided to at least one coil (eg, the coil 222 ) under the control of the processor 120 . can

According to various embodiments, while the charging circuit 262 is charging, the processor 120, based on at least one data from the sensor module 176, an external electronic device (eg, a stylus pen ( 201))), you can check the occurrence of an event set to stop charging. Based on the event occurrence confirmation, the processor 120 may control the charging circuit 262 to stop charging of the external electronic device. Formation of the magnetic field from the coil 222 as shown in FIG. 2B may be stopped, and accordingly, the wireless power transmitter 250 may determine the exact location of the coil (eg, the coil 221 ). After stopping the charging of the external electronic device, the processor 120 controls the charging circuit 262 to resume charging of the external electronic device based on confirming that the wireless charging circuit 261 starts wireless charging. can When the wireless charging circuit 261 starts wireless charging, it means that the location check of the electronic device 101 has already been completed, so the charging of the charging circuit 262 may be set to restart by triggering the wireless charging start. have. Alternatively, when a preset time has elapsed after the charging of the charging circuit 262 is stopped, the charging of the charging circuit 262 may be set to resume.

In one example, the sensor module 176 may include at least one of an acceleration sensor, a gyro sensor, or a geomagnetic sensor. The electronic device 101 may identify an event related to the movement of the electronic device 101 based on data from the sensor module 176 . In this case, the event may relate to a state in which the electronic device 101 is substantially stopped. When the electronic device 101 is disposed on the wireless power transmitter 250 for charging, it may be substantially stopped, and accordingly, the substantially stopped state may be set as one type of event. For example, the processor 120 may confirm the occurrence of the event by confirming that the electronic device 101 is in a substantially stopped state based on data from the sensor module 176 . Alternatively, the sensor module 176 may generate an interrupt in a substantially stopped state. The processor 120 may confirm occurrence of an event based on reception of an interrupt from the sensor module 176 .

In another example, the sensor module 176 may include a light source and an illuminance sensor. The electronic device 101 may identify an event related to the posture of the electronic device 101 based on data from the sensor module 176 . In this case, the event may relate to a state in which the electronic device 101 is arranged in a specific direction. For example, a light source and an illuminance sensor may be disposed on the rear surface of the housing of the electronic device 101 . The electronic device 101 may be disposed such that the wireless power transmitter 250 contacts the rear surface of the housing for charging. Accordingly, the posture in which the rear surface is in contact with the transmitter 250 may be set as one type of event. When the rear surface of the housing is in contact with the wireless power transmitter 250 , the amount of light sensed by the illuminance sensor may exceed a threshold. The processor 120 may be set as an event when the sensed light amount exceeds a threshold value. Alternatively, the sensor module 176 may include a proximity sensor, and an event indicating that the electronic device 101 is disposed in a specific direction may be identified based on data from the proximity sensor. Alternatively, an event indicating that the electronic device 101 is disposed in a specific direction may be identified based on a value sensed by the acceleration sensor in the z-axis direction among the acceleration sensors or a value of the earth magnetic field sensor.

According to various embodiments, the electronic device 101 may control the charging circuit 262 to stop charging of the external electronic device based on a combination of at least one of the above-described examples. According to various embodiments, the electronic device 101 may control the charging circuit 262 to stop charging of the external electronic device based on at least some of the above-described events being maintained for a threshold period.

4 is a block diagram illustrating a stylus pen (eg, the stylus pen 201 of FIG. 2 ) according to various embodiments.

Referring to FIG. 4 , the stylus pen 201 according to various embodiments includes a processor 220 , a memory 230 , a resonance circuit 287 , a charging circuit 288 , a battery 289 , and a communication circuit 290 . , an antenna 297 , a trigger circuit 298 and/or a sensor 299 . In some embodiments, the processor 220 of the stylus pen 201, at least a portion of the resonant circuit 287, and/or at least a portion of the communication circuit 290 may be configured on a printed circuit board or in the form of a chip. have. The processor 220 , the resonant circuit 287 and/or the communication circuit 290 may include a memory 230 , a charging circuit 288 , a battery 289 , an antenna 297 , a trigger circuit 298 and/or a sensor. (299) may be electrically connected.

The processor 220 according to various embodiments may include a customized hardware module or a generic processor configured to execute software (eg, an application program). The processor 220 includes at least one of various sensors provided in the stylus pen 201, a data measurement module, an input/output interface, a module for managing the state or environment of the stylus pen 201, or a communication module. It may include a component (function) or a software element (program). The processor 220 may include, for example, one or a combination of two or more of hardware, software, and firmware. According to an embodiment, the processor 220 includes information indicating a pressed state of a button (eg, button 337), sensing information acquired by the sensor 299, and/or information calculated based on the sensing information ( Example: information related to the position of the stylus pen 201 may be set to be transmitted to the electronic device 101 through the communication circuit 290 .

The resonance circuit 287 according to various embodiments may resonate based on an electromagnetic field signal generated from a digitizer (eg, the display device 160 ) of the electronic device 101 , and by resonance, an electromagnetic resonance method (electromagnetic resonance) -magnetic resonance, EMR) input signal (or magnetic field and) can be radiated. The electronic device 101 may identify the position of the stylus pen 201 on the electronic device 101 by using the electromagnetic resonance method input signal. For example, the electronic device 101, in each of a plurality of channels (eg, a plurality of loop coils) in the digitizer, based on the magnitude of an induced electromotive force (eg, output current) generated by an electromagnetic resonance input signal Thus, the position of the stylus pen 201 may be confirmed. Meanwhile, in the above-mentioned bar, although it has been described that the electronic device 101 and the stylus pen 201 operate based on the EMR method, this is merely exemplary, and the electronic device 101 is electrically coupled resonance (ECR) method. It is also possible to generate a signal based on an electric field based on The resonance circuit of the stylus pen 201 may be resonated by an electric field. The electronic device 101 may check a potential in a plurality of channels (eg, electrodes) due to resonance in the stylus pen 201 , and may check a position of the stylus pen 201 based on the potential . A person skilled in the art will understand that the stylus pen 201 may be implemented in an active electrostatic (AES) method, and there is no limitation in the type of implementation. In addition, the electronic device 101 may detect the stylus pen 201 based on a change in capacitance (self capacitance or mutual capacitance) associated with at least one electrode of the touch panel. In this case, the stylus pen 201 may not include a resonance circuit. In the present disclosure, “panel” or “sensing panel” may be used as a term encompassing a digitizer and a touch screen panel (TSP).

According to various embodiments, a signal having a pattern may be received through the resonance circuit 287 . The processor 220 may analyze a pattern of a signal received through the resonance circuit 287 and perform an operation based on the analysis result. The stylus pen 201 according to various embodiments may perform one first communication through the resonance circuit 287 and may perform a second communication through the communication circuit 290 . For example, when the stylus pen 201 is inserted into the electronic device 101 , the stylus pen 201 may receive information from the electronic device 101 through the resonance circuit 287 . For example, the stylus pen 201 may receive a communication signal through the communication circuit 290 when it is detached from the electronic device 101 , but receives a communication signal through the communication circuit 290 even when inserted. This may be possible.

The memory 230 according to various embodiments may store information related to the operation of the stylus pen 201 . For example, the information may include information for communication with the electronic device 101 and frequency information related to an input operation of the stylus pen 201 . In addition, the memory 230 includes a program (or application, algorithm, or processing loop). The memory 230 may store a communication stack of the communication circuit 290 . Depending on the implementation, communication circuitry 290 and/or processor 220 may include dedicated memory.

The resonance circuit 287 according to various embodiments may include a coil (or an inductor) and/or a capacitor. The resonance circuit 287 may resonate based on an input electric field and/or magnetic field (eg, an electric field and/or magnetic field generated by a digitizer of the electronic device 101 ). When the stylus pen 201 transmits a signal by the EMR method, the stylus pen 201 sets a resonance frequency based on an electromagnetic field generated from an inductive panel of the electronic device 101 . It is possible to generate a signal containing When the stylus pen 201 transmits a signal using the AES method, the stylus pen 201 may generate a signal using the electronic device 101 and capacitive coupling. When the stylus pen 201 transmits a signal by the ECR method, the stylus pen 201 generates a signal including a resonance frequency based on an electric field generated from a capacitive device of an electronic device. can create According to an embodiment, the resonance circuit 287 may be used to change the intensity or frequency of the electromagnetic field according to a user's manipulation state. For example, the resonance circuit 287 may provide various frequencies for recognizing a hovering input, a drawing input, a button input, or an erasing input. For example, the resonant circuit 287 may provide various resonant frequencies according to a connection combination of a plurality of capacitors, or may provide various resonant frequencies based on a variable inductor and/or a variable capacitor.

When the charging circuit 288 according to various embodiments is connected to the resonance circuit 287 based on the switching circuit, the resonance signal generated in the resonance circuit 287 is rectified into a DC signal to be provided to the battery 289. have. According to an embodiment, the stylus pen 201 may determine whether the stylus pen 201 is inserted into the electronic device 101 by using the voltage level of the DC signal detected by the charging circuit 288 . Alternatively, the stylus pen 201 may check whether the stylus pen 201 is inserted by checking a pattern corresponding to the signal identified by the charging circuit 288 .

The battery 289 according to various embodiments may be configured to store power required for the operation of the stylus pen 201 . The battery 289 may include, for example, a lithium-ion battery or a capacitor, and may be rechargeable or replaceable. According to an embodiment, the battery 289 may be charged using power (eg, a DC signal (direct current power)) provided from the charging circuit 288 .

The communication circuit 290 according to various embodiments may be configured to perform a wireless communication function between the stylus pen 201 and the communication module 190 of the electronic device 101 . According to an embodiment, the communication circuit 290 may transmit state information, input information, and/or information related to a location of the stylus pen 201 to the electronic device 101 using a short-distance communication method. For example, the communication circuit 290 may include direction information (eg, motion sensor data) of the stylus pen 201 acquired through the trigger circuit 298 , voice information input through a microphone, or the remaining amount of the battery 289 . Information may be transmitted to the electronic device 101 . For example, the communication circuit 290 may transmit sensing data obtained from the sensor 299 and/or information related to the position of the stylus pen 201 identified based on the sensing data to the electronic device 101 . can For example, the communication circuit 290 may transmit information about a state of a button (eg, the button 337 ) included in the stylus pen 201 to the electronic device 101 . For example, the short-range communication method may include at least one of Bluetooth, Bluetooth low energy (BLE), NFC, and Wi-Fi direct, but there is no limitation on the type.

The antenna 297 according to various embodiments may be used to transmit or receive a signal or power to the outside (eg, the electronic device 101 ). According to an embodiment, the stylus pen 201 may include a plurality of antennas 297 , and among them, at least one antenna 297 suitable for a communication method may be selected. Through the selected at least one antenna 297 , the communication circuit 290 may exchange a signal or power with an external electronic device.

The trigger circuit 298 according to various embodiments may include at least one button or a sensor circuit. According to an embodiment, the processor 220 may check an input method (eg, touch or press) or type (eg, EMR button or BLE button) of a button of the stylus pen 201 . According to an embodiment, the trigger circuit 298 may transmit a trigger signal to the electronic device 101 using an input signal of a button or a signal through the sensor 299 .

The sensor 299 according to various embodiments may include an acceleration sensor, a gyro sensor, and/or a geomagnetic sensor. The acceleration sensor may sense information about the linear movement of the stylus pen 201 and/or the acceleration of the stylus pen 201 in three axes. The gyro sensor may sense information related to rotation of the stylus pen 201 . The geomagnetic sensor may sense information about a direction in which the stylus pen 201 faces within an absolute coordinate system. According to an embodiment, the sensor 299 is not only a sensor for measuring movement, but also a sensor capable of generating an electrical signal or data value corresponding to an internal operating state or an external environmental state of the stylus pen 201 . , for example, may include at least one of a remaining battery level sensor, a pressure sensor, an illuminance sensor, a temperature sensor, and a biometric sensor. According to various embodiments, the processor 220 may transmit information obtained from the sensor 299 to the electronic device 101 through the communication circuit 290 . Alternatively, the processor 220, based on the information obtained from the sensor 299 , information related to the position of the stylus pen 201 (eg, coordinates of the stylus pen 201 and/or displacement of the stylus pen 201 ) ) may be transmitted to the electronic device 101 through the communication circuit 290 .

According to various embodiments, in operation 501 , the stylus pen 201 (eg, the stylus pen 201 of FIG. 2 ) is inserted into the receiving space of the electronic device 101 (eg, the electronic device 101 of FIG. 1 ). can be For example, the user may insert the stylus pen 201 into the storage space of the electronic device 101 , and the operation is processed as a dotted line based on the fact that the operation is not an active operation of the stylus pen 201 . In operation 503 , the electronic device 101 may start charging the stylus pen 201 . For example, the electronic device 101 may detect the insertion of the stylus pen 201 , and there is no limitation in the detection method. The electronic device 101 may apply electric power for charging to the coil (eg, the coil 222 ) based on detection of the insertion of the stylus pen 201 . In operation 505 , the stylus pen 201 may start charging based on power from the electronic device 101 .

According to various embodiments, in operation 507 , the electronic device 101 may check occurrence of an event set to stop charging and stop charging of the stylus pen 201 . For example, the electronic device 101 may check the occurrence of at least one event based on at least one data from the sensor module 176 . In operation 509 , the electronic device 101 may confirm that the wireless charging circuit 261 starts wireless charging. For example, when wireless charging is started, the wireless charging circuit 261 may provide an interrupt to the processor 120 in response thereto. The wireless charging circuit 261 receives the charging start signal from the wireless power transmission device 250 and/or the magnitude of the received power (eg, the voltage (Vrect) at the output terminal of the rectifier) is the threshold. Based on the overflow, an interrupt may be provided. In this case, the processor 120 may confirm the start of wireless charging based on the reception of the interrupt. Alternatively, the wireless charging circuit 261 may provide information (eg, a voltage Vrect at an output terminal of the rectifier) on the amount of received power to the processor 120 . The processor 120 may confirm the start of wireless charging based on the received information. For example, the processor 120 may determine that wireless charging has started when the amount of received power (eg, the voltage Vrect at the output terminal of the rectifier) exceeds a threshold.

According to various embodiments, the electronic device 101 may start charging the stylus pen 201 in operation 511 based on the start of wireless charging.

6A is a diagram for describing an order of operations of an electronic device, a stylus pen, and a wireless power transmitter according to various embodiments of the present disclosure; The embodiment of Figure 6a will be described in more detail with reference to Figure 6b. 6B illustrates an electronic device and a wireless power transmitter according to various embodiments of the present disclosure.

In operation 601 , the stylus pen 201 according to various embodiments may be inserted into the electronic device 101 . In operation 603 , the electronic device 101 may start charging the stylus pen 201 based on the detection of insertion of the stylus pen 201 . For example, referring to FIG. 6B , the electronic device 101 may display an indicator 631 indicating that the stylus pen 201 is currently being charged on at least a portion of the display module 160 . In the embodiment of FIG. 6B , the indicator 631 is shown as being displayed on the indication area, but there is no limitation on the display position or the shape of the indicator 631 .

According to various embodiments, in operation 605 , the electronic device 101 may be located on the wireless power transmitter 250 . The wireless power transmitter 250 may detect an object in operation 607 . As described above, the wireless power transmission apparatus 250 may detect that an object is disposed, for example, based on the confirmation that the generation of static electricity is generated through a coil for position detection. Based on the object detection, in operation 613 , the wireless power transmission apparatus 250 may perform an operation for confirming a location of a coil (eg, the coil 221 ) of the electronic device 101 . As described above, the wireless power transmitter 250 may perform application of pulses to the coils 251,252 for position detection and a response analysis. For example, a first period t1 may be taken from the point in time when the electronic device 101 is positioned on the wireless power transmitter 250 to the start point of the coil location check operation.

According to various embodiments, in operation 609 , the electronic device 101 may identify an event set to stop charging. The electronic device 101 may stop charging the stylus pen 201 in operation 611 based on the confirmation of the event. Referring to FIG. 6B , when the electronic device 101 is disposed on the wireless power transmitter 250, charging of the stylus pen 201 may be stopped, and accordingly, the indicator displayed on the display module 160 ( 631) may also be discontinued. For example, a second period t2 may take from the point in time when the electronic device 101 is positioned on the wireless power transmitter 250 to the point in time when the charging of the stylus pen 201 is stopped. The second period t2 may be set in consideration of the first period t1 so that charging of the stylus pen 201 may be stopped before the coil positioning operation is performed. When the coil location check operation is completed and the location of the coil (eg, the coil 221 ) of the electronic device 101 is checked, the wireless power transmitter 250 determines the location of the coil 290 for power transmission. can be moved The wireless power transmitter 250 may initiate wireless charging of the electronic device 101 in operation 615 .

According to various embodiments, the stylus pen 201 may establish a communication connection (eg, BLE connection) with the electronic device 101 through the communication circuit 290 . The stylus pen 201 may transmit, for example, information related to the state of charge of the internal battery 289 to the electronic device 101 through a communication connection. The electronic device 101 may determine at least one of starting charging, continuing charging, or terminating charging using the received information. The stylus pen 201 may periodically transmit information related to the state of charge or transmit information related to the state of charge when a trigger occurs, such as when a voltage of the battery 289 changes. Meanwhile, as described above, the voltage (or current) of the battery 289 included in the information reported to the electronic device 101 from the stylus pen 201 temporarily stops charging of the stylus pen 201 . may be decreased (or maintained), and may be increased when charging of the stylus pen 201 is stopped. Based on information associated with the state of charge of the battery 289 of the stylus pen 201 (eg, the voltage (or current) of the battery 289 ), whether the charging of the battery 289 is currently stopped or charging It can be checked whether If information related to the state of charge is reported based on a trigger, if the decrease or increase in voltage is larger than the minimum measurement unit, information related to the state of charge is transmitted, so whether the battery 289 is currently being charged It can be checked whether If information related to the state of charge is periodically reported, it may be checked whether the battery 289 is currently being charged by periodically checking information in the communication signal received from the electronic device 101 . Alternatively, it may be checked whether charging is stopped based on whether a communication signal instructing to stop charging from the electronic device 101 to the stylus pen 201 is transmitted/received. Alternatively, it may be checked whether charging is resumed based on whether a communication signal instructing the start of charging from the electronic device 101 to the stylus pen 201 is transmitted/received.

According to various embodiments, when the stylus pen 201 is being charged, a current (or voltage) for charging may be applied to the second coil 222 for charging the stylus pen 201 , and accordingly A current (or voltage) may also be applied to the resonance circuit 287 of the stylus pen 201 . In addition, when the charging of the stylus pen 201 is stopped, the current (or voltage) for charging is not applied to the second coil 222 for charging the stylus pen 201, and accordingly, the stylus pen ( No current (or voltage) is applied to the resonance circuit 287 of 201 . Based on the current (or voltage) value applied to the second coil 222 and/or the resonance circuit 287 of the stylus pen 201 , it may be detected whether the stylus pen 201 is currently being charged.

According to various embodiments, the electronic device 101 may initiate wireless charging. For example, the electronic device 101 may initiate wireless charging based on a control signal from the wireless power transmission device 250 , but there is no limit to the trigger of initiation of wireless charging. Based on the wireless charging start, the electronic device 101 may resume charging of the stylus pen 201 in operation 619 . Referring to FIG. 6B , the electronic device 101 may display an indicator 632 indicating that wireless charging is in progress, based on the start of wireless charging. In addition, based on the resumption of charging of the stylus pen 201 , the electronic device 101 may redisplay the indicator 631 that has disappeared.

According to various embodiments, the electronic device 101 may charge the stylus pen 201 in operation 701 . In operation 703 , the electronic device 101 may identify occurrence of an event set to stop charging of the external electronic device. In operation 705 , the electronic device 101 may stop charging the stylus pen 201 based on confirmation of the occurrence of the event. In operation 707 , the electronic device 101 may resume charging of the stylus pen 201 based on the expiration of the specified period. For example, the electronic device 101 may operate a designated timer at a point in time when charging of the stylus pen 201 is stopped. The time of the timer, that is, the designated period, may be set, for example, to correspond to a period during which the wireless power transmitter 250 completes an operation for determining the location of the electronic device 101 .

According to various embodiments, the electronic device 101 receives data from at least one motion sensor (eg, at least one of an acceleration sensor, a gyro sensor, or a geomagnetic sensor) of the electronic device 101 in operation 801 . can be obtained In operation 803 , the electronic device 101 may determine that the movement of the electronic device 101 is included in the specified range based on the acquired data. The user may place the electronic device 101 on the wireless power transmission device 250 to charge the electronic device 101 . The electronic device 101 may stop as it is disposed on the wireless power transmitter 250 . Accordingly, for example, the designated range may be a range substantially corresponding to a state in which the electronic device 101 is stopped, but there is no limitation. If it is determined that the movement of the electronic device 101 is included in the specified range, in operation 805 , the electronic device 101 may identify occurrence of an event set to stop charging of the external electronic device. Thereafter, the electronic device 101 may stop charging the external electronic device (eg, the stylus pen 201 ).

According to various embodiments, in operation 811 , the electronic device 101 may check the external illuminance by using the illuminance sensor of the electronic device 101 . In operation 813 , the electronic device 101 may determine that the first surface of the electronic device 101 is disposed in a specified direction based on the external illuminance. For example, the display module 160 may be disposed on a first surface of the electronic device 101 , and an illuminance sensor and a light source may be disposed on a second surface of the electronic device 101 . The user may place the electronic device 101 on the wireless power transmission device 250 to charge the electronic device 101 . The electronic device 101 may be disposed such that, for example, the second surface is in contact with the wireless power transmitter 250 . When the second surface is in contact with the wireless power transmitter 250, light output from the light source may be reflected and proceed to the illuminance sensor. Accordingly, the illuminance measured by the illuminance sensor may exceed a specified value. The electronic device 101 may determine that the first surface of the electronic device 101 faces a specified direction (eg, upward direction) as the illuminance measured by the illuminance sensor exceeds a specified value. In operation 815 , the electronic device 101 may identify occurrence of an event set to stop charging of the external electronic device. Alternatively, the electronic device 101 may be set to check the occurrence of an event when the illuminance measured by the illuminance sensor exceeds a specified value.

9A is a diagram for describing a method of operating an electronic device according to various embodiments of the present disclosure; The embodiment of FIG. 9A will be described with reference to FIG. 9B. 9B is a diagram for describing a positional relationship between coils of a wireless power transmitter, an electronic device, and an external electronic device, according to various embodiments of the present disclosure;

9A and 9B , the electronic device 101 is a foldable electronic device, and includes a first housing 920 , a second housing 930 , and a first housing 920 and a second housing 930 . It may include a hinge part 940 for connecting them. The hinge part 940 may include a rotatable structure. As shown in FIG. 9A , the hinge part 940 may be rotated so that one surface of the first housing 920 is disposed such that the second housing 930 faces one surface. A state in which one surface of the first housing 920 faces one surface of the second housing 930 may be referred to as a folded state of the electronic device 101 . In addition, a state in which one surface of the first housing 920 and one surface of the second housing 930 are arranged in the same direction may be referred to as an unfolded state of the electronic device 101 .

According to various embodiments, as shown in FIG. 9A , the electronic device 101 may be disposed on the wireless power transmitter 250 in a folded state. For example, the first housing 920 may be disposed to contact the wireless power transmitter 250 . An external electronic device 900 (eg, a smart watch) may be disposed on the second housing 930 . For example, the wireless power transmitter 250 may wirelessly charge the electronic device 101 , and the electronic device 101 may wirelessly charge the external electronic device 900 .

Referring to FIG. 9B , a first magnetic field 911 may be generated in the power transmission coil 290 in the wireless power transmission device 250 . An induced electromotive force may be generated in the first coil 921 in the first housing 920 of the electronic device 101 by the first magnetic field 911 . The electronic device 101 may charge a battery or charge an internal device (or module) using induced electromotive force. Meanwhile, a second magnetic field 912 may be generated in the second coil 931 in the second housing 930 of the electronic device 101 . In the power receiving coil 902 of the external electronic device 900 , an induced electromotive force by the second magnetic field 912 may be generated. The external electronic device 900 may charge a battery or charge an internal device (or module) using induced electromotive force. The electronic device 101 according to various embodiments may wirelessly receive power using the first coil 921 and wirelessly transmit power using the second coil 931 . According to various embodiments, the electronic device 101 may include means (eg, at least one of a rectifier, a DC/DC converter, or a regulator) for processing power output from the first coil 921 . and means (at least one of a power source, an inverter, or an amplifier circuit) for transmitting a current to the second coil 922 .

Meanwhile, the second magnetic field 912 generated from the second coil 931 may be introduced into the wireless power transmitter 250 . For example, while the wireless power transmitter 250 performs an operation of measuring the position of the electronic device 101 , the second magnetic field 912 may affect it. While the electronic device 101 wirelessly transmits power, the location measurement accuracy of the electronic device 101 may decrease. The electronic device 101 may stop charging the external electronic device 900 , for example, based on an event confirmation set to stop charging the external electronic device 900 . As the generation of a magnetic field (eg, the second magnetic field 912 ) for charging of the external electronic device 900 is stopped, the wireless power transmission device 250 moves the electronic device 101 to a position (eg, position of the first coil 911) may be accurately determined. The electronic device 101 may resume charging of the external electronic device 900 when the start of wireless charging based on the first coil 911 or the exceeding of a specified time is confirmed.

Alternatively, the electronic device 101 may first be disposed on the wireless power transmitter 250 , and then the external electronic device 900 may be disposed on the second housing 930 of the electronic device 101 . In this case, the electronic device 101 may reserve the start of charging the external electronic device 900 before the wireless charging from the wireless power transmitter 250 starts. After wireless charging from the wireless power transmission device 250 is started, the electronic device 101 may be set to start wireless charging of the external electronic device 900 .

10 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure; The embodiment of FIG. 10 will be described with reference to FIG. 11 . 11 is a diagram for describing a pulse in coils of a wireless power transmitter and an electronic device according to various embodiments of the present disclosure;

According to various embodiments, the electronic device 101 may charge the stylus pen 201 in operation 1001 . In operation 1003 , the electronic device 101 may identify occurrence of an event set to stop charging of the external electronic device based on the first information from the wireless charging circuit 261 . For example, referring to FIG. 11 , the wireless power transmission apparatus 250 may apply

pulses

1121 , 1122 , 1123 , 1124 , and 1125 to the position detection coil 1110 . The electronic device 101 may include a coil 1101 for power reception, a rectifier 1103 , and a converter 1105 . The

pulses

1121 , 1122 , 1123 , 1124 , and 1125 may cause a magnetic field in the position detection coil 1110 , and an induced electromotive force may be formed in the coil 1101 by the magnetic field.

Pulses

1131 , 1132 , 1133 , 1134 , and 1135 may be detected from the voltage VREC applied to the output terminal of the rectifier 1103 according to the induced electromotive force. The electronic device 101 may check the occurrence of the event, for example, based on information about the voltage VREC at the output terminal of the rectifier 1103 . For example, when the

pulses

1131 , 1132 , 1133 , 1134 and 1135 are detected in the information about the voltage VREC at the output terminal of the rectifier 1103 , the electronic device 101 determines that the event has occurred. can

According to various embodiments, the electronic device 101 may stop charging the stylus pen 201 in operation 1005 based on the event occurrence confirmation. The electronic device 101 may resume charging of the external electronic device (eg, the stylus pen 201 ) based on the second information from the wireless charging circuit 261 . For example, the wireless power transmitter 250 may start charging after the location detection of the electronic device 101 is completed. The wireless power transmission device 250 may apply power 1141 to a power transmission coil (not shown) as shown in FIG. 11 . The wireless power transmission device 250 may apply power 1141 for charging after moving a coil (not shown) for power transmission to be aligned with the coil 1101 . By the power 1141 for charging, the electronic device 101 may receive power. The voltage VREC at the output terminal of the rectifier 1103 may have a waveform 1142 having a substantially constant magnitude. The electronic device 101 may resume charging of the stylus pen 201 based on the detection of the waveform 1142 having a substantially constant size. Since the waveform 1142 having a substantially constant size may indicate that wireless charging is started, this may be set as a charging restart trigger of the external electronic device.

According to various embodiments, the stylus pen 201 may be inserted into the electronic device 101 in operation 1201 . In operation 1203 , the electronic device 101 may start charging the stylus pen 201 . In operation 1205 , the user may position the electronic device 101 on the wireless power transmitter 250 . The wireless power transmission device 250 may detect the arrangement of the object through, for example, static electricity detection, and may perform a coil positioning operation in operation 1207 . For example, the wireless power transmission apparatus 250 may apply pulses to a plurality of coils for position detection. In this case, since the electronic device 101 continues to charge the stylus pen 201 , the wireless power transmitter 250 may fail to check the location. In operation 1209 , the electronic device 101 may stop charging the external electronic device (eg, the stylus pen 201 ) based on the first information from the wireless charging circuit 261 . As described above, the electronic device 101 may stop charging the external electronic device based on the detection of a pulse from the wireless charging circuit 261 .

According to various embodiments of the present disclosure, in operation 1211 , the wireless power transmitter 250 may re-perform the coil location check operation and check the coil location of the electronic device 101 . Since the electronic device 101 stops charging the stylus pen 201 , the wireless power transmitter 250 may check the coil location of the electronic device 101 based on the coil location check operation. The wireless power transmitter 250 may start wireless charging in operation 1213 . The electronic device 101 may start wireless charging in operation 1215 . After starting wireless charging, the electronic device 101 may resume charging of the stylus pen 201 in operation 1217 .

According to various embodiments, in operation 1301 , the electronic device 101 may charge the stylus pen 201 . In operation 1303 , the electronic device 101 may identify occurrence of an event set to stop charging of the external electronic device based on the first information from the wireless charging circuit 261 . For example, the electronic device 101 may check occurrence of an event set to stop charging of the external electronic device based on the detection of a pulse in the voltage VREC at the output terminal of the rectifier of the wireless charging circuit 261 . . In operation 1305 , based on the event occurrence confirmation, the electronic device 101 may stop charging the stylus pen 201 . In operation 1307 , the electronic device 101 may resume charging of the stylus pen 201 based on the expiration of the specified period.

According to various embodiments, in operation 1401 , the electronic device 101 may charge the stylus pen 201 . In operation 1403 , the electronic device 101 may identify occurrence of an event set to stop charging of the external electronic device based on the first communication signal from the wireless power transmitter 250 . The electronic device 101 may receive the first communication signal from the wireless power transmitter 250 based on in-band communication or out-band communication. The first communication signal may be, for example, at least one of communication signals set to be transmitted by the wireless power transmission device 250 defined in the wireless charging standard. The wireless power transmission device 250 may be set to transmit/receive at least one communication signal to and from the electronic device 101 before starting wireless charging, and the communication signal may include, for example, communication connection, device information exchange, It can be used for authentication, negotiation, control, etc., and there are no restrictions.

According to various embodiments, the electronic device 101 may stop charging the stylus pen 201 based on the reception of the first communication signal. In operation 1407 , after stopping the charging of the stylus pen 201 , the electronic device 101 based on the second communication signal from the wireless power transmission device 250 , the external electronic device (eg, the stylus pen) (201)) can resume charging. Here, the second communication signal may be, for example, a control signal for instructing the wireless power transmission device 250 to initiate wireless charging of the electronic device 101, but is not limited thereto.

According to various embodiments, the wireless power transmission device 250 may include

detection powers

1501 , 1503 , 1505 , and 1509 (or beacons) for detecting an object disposed on the wireless power transmission device 250 . )), may be applied to the coil of the wireless power transmission device 250 . The wireless power transmission device 250, during the application period of the

detection powers

1501, 1503, 1505, 1509, based on a change in the load (or impedance) value measured in the coil (or resonant circuit), You can determine where an object is. For example, in operation 1507 , the electronic device 101 may be disposed on the wireless power transmitter 250 . The wireless power transmission apparatus 250 may determine that the object is disposed by detecting a change in the load during the application period of the detection power 1509 .

According to various embodiments, the wireless power transmitter 250 may apply power 1510 for communication based on the detection of an object. The electronic device 101 may receive power 1510 for performing communication, and may activate a communication module using the power. The communication module may be, for example, a dedicated communication module (eg, a BLE module) for wireless charging, or may be a part of the communication module 190 of the electronic device 101 . The electronic device 101 may transmit an advertisement signal to the wireless power transmitter 250 in operation 1513 using the activated communication module. The wireless power transmitter 250 may transmit a connection request signal to the electronic device 101 in operation 1515 based on the reception of the advertisement signal.

According to various embodiments, the electronic device 101 may check the reception of the connection request signal as an event and stop charging the stylus pen 201 in operation 1516 . The electronic device 101 may transmit a PRU static signal to the wireless power transmitter 250 . The PRU static signal may include information on hardware of the electronic device 101 . In operation 1518 , the wireless power transmitter 250 may measure a location of the electronic device 101 and perform a corresponding operation. For example, the wireless power transmitter 250 may measure the position of the electronic device 101 by applying a pulse to the plurality of position detection coils and analyzing a response corresponding thereto. When the position measurement is completed, the wireless power transmission apparatus 250 may move the power transmission coil according to the position of the electronic device 101 . On the other hand, the timing of performing the position measurement operation of 1518 is not limited as long as it is a time after the time of stopping charging of the stylus pen 201 of 1516 . The wireless power transmitter 250 may transmit a PTU static signal in operation 1519 . The PTU static signal may include hardware information of the wireless power transmitter 250 . In operation 1521 , the wireless power transmitter 250 may transmit a charging start signal (eg, a PRU control signal) to the electronic device 101 . The wireless power transmitter 250 may apply power 1522 for charging to the coil. In operation 1523 , the electronic device 101 may start wireless charging and resume charging of the stylus pen 201 . On the other hand, there is no limitation on the time point at which charging of the stylus pen 201 is restarted as long as it is after the time point at which the position measurement of 1518 is completed.

In another embodiment, the wireless power transmission device 250 may be configured to transmit an advertisement signal. In this case, the advertisement signal may include information indicating that the wireless power transmitter 250 supports the wireless charging function. The electronic device 101 may receive the advertisement signal, and accordingly, may determine that the wireless power transmitter 250 is located nearby. If the stylus pen 201 is being charged, the electronic device 101 may stop charging the stylus pen 201 based on the reception of the advertisement signal. The electronic device 101 may be set to resume charging of the stylus pen 201 based on the start of wireless charging later or exceeding a specified period.

According to various embodiments, the electronic device 101 may operate at least one device (or at least one module) included in the electronic device 101 . At least one device (or at least one module) may cause emission of an electromagnetic field as it performs an operation. For example, the NFC module included in the electronic device 101 may emit an electromagnetic field capable of activating the NFC tag in the NFC reader mode. For example, the MST module included in the electronic device 101 may emit an electromagnetic field indicating information corresponding to the token in the electronic payment mode. Even when the electronic device 101 is disposed on the wireless power transmission device 250 , an electromagnetic field may be emitted from the NFC module or the MST module. In this case, there is a possibility that the electromagnetic field emitted from the NFC module or the MST module is introduced into the position detection coils 251,252 of the wireless power transmission device 250 . When the electromagnetic field is introduced into the position detection coils 251,252 of the wireless power transmitter 250 , the location measurement accuracy of the wireless power transmitter 250 may be reduced. Accordingly, it may be requested that the electronic device 101 stop emitting the electromagnetic field during the period of performing the position detection operation of the wireless power transmission device 250 .

According to various embodiments, the electronic device 101 may identify an event related to wireless charging in operation 1603 . Since the event in operation 1603 has been described above, a detailed description thereof will be omitted. Based on the confirmation of the event, in operation 1605 , the electronic device 101 may limit the operation of at least one device (or at least one module). For example, the electronic device 101 may stop emitting the electromagnetic field by limiting the operation of the device (or module) emitting the electromagnetic field.

According to various embodiments, the electronic device 101 may determine whether wireless charging is started in operation 1607 . If it is confirmed that wireless charging has not been started (No in 1607), the electronic device 101 may maintain the operation limit of at least one device (or module). When it is confirmed that wireless charging is started (1607 - Yes), the electronic device 101 may release an operation restriction of at least one device (or module) in operation 1609 . Accordingly, at least one device (or module), for example, an NFC module, or an MST module, may operate again. In addition, while the electromagnetic field emission is stopped, the wireless power transmission device 250 may accurately determine the location of the electronic device 101 .

In the above-mentioned bar, the electronic device 101, the NFC module, or the MST module has been described as an example, but there is no limitation as long as it is a device (or module) that affects the position detection operation of the wireless power transmission device 250 . will be understood by those skilled in the art.

Meanwhile, in another embodiment, while restricting the operation of at least one device, the electronic device 101 may release the operation restriction based on exceeding a specified period.

17 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure. The embodiment of FIG. 17 will be described with reference to FIG. 18 . 18 is a view for explaining an NFC coil and a coil for power reception, according to various embodiments.

According to various embodiments, the electronic device 101 may activate the NFC function in operation 1701 . For example, the user may input a command to activate the NFC function of the electronic device 101 . For example, the electronic device 101 may display an icon for activating the NFC function on the control window, and may activate the NFC function based on the selection of the icon. Based on the activation of the NFC function, for example, the NFC module (not shown) of the electronic device 101 may operate in an NFC reader mode. In NFC reader mode, the NFC module can generate an RF field, ie, an electromagnetic field, that can activate a passive NFC tag. For example, referring to FIG. 18 , the electronic device 101 may include an NFC coil 1810 . The NFC coil 1810 may be located inside the first coil 1810 , but this is merely exemplary and the position of the NFC coil 1810 is not limited. From the NFC coil 1810, an RF field that can activate a passive NFC tag, ie, an electromagnetic field, can be emitted. The corresponding electromagnetic field may be introduced into at least some of the position detection coils 251,252. For example, the wireless power transmission device 250 applies pulses to each of the position detection coils 251,252 and analyzes response characteristics to determine the position of the first coil 221 of the electronic device 101 . can do. The electromagnetic field from the NFC coil 1810 is likely to be included in the response characteristic, which may soon cause a decrease in positioning accuracy.

According to various embodiments, in operation 1703 , the electronic device 101 may check the occurrence of an event. In operation 1705 , based on the event occurrence confirmation, the electronic device 101 may deactivate the NFC function. Depending on the inactivation of the NFC function, the electromagnetic field emission from the NFC coil 1810 may stop. During the period in which the electromagnetic field emission is stopped, the wireless power transmission device 250 applies a pulse to each of the position detection coils 251,252 and analyzes the response characteristics to determine the position of the first coil 221 . have. The wireless power transmission device 250 may move the power transmission coil 290 to a position (eg, P1) of the first coil 221 , and start wireless charging. The electronic device 101 may determine whether wireless charging is started in operation 1707 . If it is confirmed that wireless charging has not been initiated (1707 - NO), the electronic device 101 may maintain the NFC function disabled. If it is confirmed that wireless charging is started (1707 - Yes), the electronic device 101 may activate the NFC function in operation 1709 . Accordingly, while the electromagnetic field emission from the NFC coil 1810 is stopped, the wireless power transmitter 250 may accurately determine the position of the electronic device 101 . Meanwhile, in another embodiment, the electronic device 101 may release the operation restriction based on exceeding a specified period while the NFC function is deactivated.

According to various embodiments, the at least one sensor includes at least one of an acceleration sensor, a gyro sensor, and a geomagnetic sensor for measuring the movement of the electronic device, and the at least one processor includes the at least one At least one of the acceleration sensor, the gyro sensor, and the earth magnetic field sensor as at least a part of an operation of confirming the occurrence of the event set to stop charging of the external electronic device based on at least one data provided from a sensor and confirm the occurrence of the event based on it being confirmed that the electronic device is in a substantially stationary state based on the at least one data from

According to various embodiments, at least a portion of the at least one sensor is configured to output a first interrupt based on it being confirmed that the electronic device is in a substantially stopped state based on a sensing result, and the at least one The processor of at least one of the at least part of an operation of confirming that the electronic device is in a substantially stopped state based on the reception of the first interrupt from at least a portion of the at least one sensor based on the at least one data , to confirm that the electronic device is in a substantially stationary state.

According to various embodiments of the present disclosure, the at least one processor may include the acceleration sensor, the gyro sensor, or the It may be configured to check a movement state of the electronic device based on the at least one data from at least one of the earth magnetic field sensors, and to determine that the checked movement state is substantially in a stationary state.

According to various embodiments of the present disclosure, the at least one sensor includes a light source and an illuminance sensor, and the at least one processor, based on at least one data provided from the at least one sensor, the external electronic device As at least part of the operation of confirming the occurrence of the event set to stop charging of It may be configured to check the measured illuminance value and determine whether the event occurs based on whether the illuminance value satisfies a specified condition.

According to various embodiments, the at least one processor receives, as at least part of an operation of confirming that the wireless charging circuit initiates the wireless charging, a second interrupt indicating that the wireless charging is initiated from the wireless charging circuit. and, based on the reception of the second interrupt, it may be configured to confirm that the wireless charging circuit starts wireless charging.

According to various embodiments, the at least one processor, as at least part of an operation of confirming that the wireless charging circuit initiates wireless charging, is configured to generate a voltage from the wireless charging circuit on at least one line of the wireless charging circuit. Based on receiving at least one of the magnitude, the magnitude of the current, and the magnitude of the power, and confirming that at least one of the magnitude of the voltage, the magnitude of the current, or the magnitude of the power satisfies a condition indicating that wireless charging is in progress , it may be set to confirm that the wireless charging circuit initiates wireless charging.

According to various embodiments, the at least one processor, from a wireless power transmission circuit configured to wirelessly provide power to the electronic device, as at least part of an operation of confirming that the wireless charging circuit starts wireless charging, the electronic device Through the communication module of the device, based on the reception of a communication signal instructing the initiation of wireless charging, the wireless charging circuit may be configured to confirm that wireless charging is started.

According to various embodiments, the at least one processor stops charging of the external electronic device based on the occurrence confirmation of the event, and then the wireless charging circuit starts wireless charging until a specified period is exceeded If this is not confirmed, it may be further configured to resume charging of the external electronic device based on the exceeding of the specified period.

According to various embodiments, the at least one processor, through the at least one sensor, as at least part of an operation of controlling the charging circuit so as to charge the external electronic device, causes the external electronic device to include a housing of the electronic device. It may be configured to control the charging circuit to charge the external electronic device based on confirmation that it is inserted into a receiving space formed therein or attached on a designated attachment location of the housing of the electronic device.

According to various embodiments of the present disclosure, an electronic device includes a hinge structure, a first housing connected to the hinge structure, and including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction. and a third surface connected to the hinge structure, a third surface facing a third direction, and a fourth surface facing a fourth direction opposite to the third direction, wherein the first housing is folded around the hinge structure. 2 further comprising a housing, wherein the second side faces the fourth side in a folded state, the third direction is substantially the same as the first direction in an unfolded state, and the wireless charging The circuit may be included in the first housing, and the charging circuit may be included in the second housing.

According to various embodiments of the present disclosure, the at least one processor may include, in the folded state, the second The charging circuit included in the housing is set to stop charging the external electronic device based on the occurrence confirmation of the event while charging the external electronic device, and confirming that the wireless charging circuit starts wireless charging based on at least part of the operation of controlling the charging circuit to resume charging of the external electronic device based on confirming that, in the folded state, the wireless charging circuit included in the first housing initiates wireless charging , to control the charging circuit to resume charging of the external electronic device.

According to various embodiments, the wireless charging circuit may generate a third interrupt based on detection of at least a portion of an electromagnetic field generated from a wireless power transmission device configured to wirelessly provide power to the electronic device by the wireless charging circuit. and the at least one processor, based on at least one data from the wireless charging circuit, as at least part of the operation of confirming the occurrence of the event set to stop charging of the external electronic device, based on receipt of the third interrupt from a charging circuit, it may be configured to confirm the occurrence of the event.

According to various embodiments, the at least one processor, based on at least one data from the wireless charging circuit, as at least part of an operation of confirming the occurrence of the event set to stop charging of the external electronic device, the Receive, from the wireless charging circuit, at least one of a magnitude of a voltage, a magnitude of a current, or a magnitude of power on at least one line of the wireless charging circuit, and the magnitude of the voltage, the magnitude of the current, or the magnitude of the power It may be set to confirm the occurrence of the event based on confirming that at least one of the electronic devices satisfies a condition indicating that the electronic device is disposed in a charging area of a wireless power transmitter set to wirelessly provide power to the electronic device have.

According to various embodiments, the at least one processor receives, as at least part of an operation of confirming that the wireless charging circuit initiates the wireless charging, a fourth interrupt indicating that the wireless charging is initiated from the wireless charging circuit. and, based on the reception of the fourth interrupt, it may be configured to confirm that the wireless charging circuit starts wireless charging.

According to various embodiments, the at least one device includes an NFC module, the at least one first operation includes an operation according to an NFC reader mode, and the at least one processor includes: As at least part of the operation limiting operation, controlling the NFC module to stop the operation according to the NFC reader mode, and the at least one processor, In part, it may be set to control the NFC module to resume the NFC reader mode.

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

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

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

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

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

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

Claims

In an electronic device,

at least one sensor;

a charging circuit configured to charge an external electronic device inserted into or disposed on the electronic device;

a wireless charging circuit configured to receive power wirelessly, and

at least one processor, the at least one processor comprising:

controlling the charging circuit to charge the external electronic device;

While the charging circuit is charging the external electronic device, based on at least one data provided from the at least one sensor, it is confirmed that an event set to stop charging of the external electronic device occurs,

controlling the charging circuit to stop charging of the external electronic device based on the occurrence confirmation of the event,

an electronic device configured to control the charging circuit to resume charging of the external electronic device based on confirming that the wireless charging circuit starts wireless charging after stopping charging of the external electronic device.
The method of claim 1,

The at least one sensor includes at least one of an acceleration sensor, a gyro sensor, and a geomagnetic sensor for measuring the movement of the electronic device,

The at least one processor, based on at least one data provided from the at least one sensor, as at least part of an operation of confirming the occurrence of the event set to stop charging of the external electronic device, the acceleration sensor, the an electronic device configured to ascertain the occurrence of the event based on determining that the electronic device is in a substantially stationary state based on the at least one data from a gyro sensor or at least one of the geomagnetic sensor.
3. The method of claim 2,

at least a portion of the at least one sensor is configured to output a first interrupt based on it is determined that the electronic device is in a substantially stopped state based on a sensing result;

The at least one processor is configured to receive the first interrupt from at least some of the at least one sensor as at least part of an operation of determining that the electronic device is in a substantially stopped state based on the at least one data. an electronic device configured to determine that the electronic device is in a substantially stationary state based on the
The method of claim 1,

The at least one sensor comprises a light source and an illuminance sensor,

The at least one processor, as at least part of the operation of confirming the occurrence of the event set to stop charging of the external electronic device, based on at least one data provided from the at least one sensor,

during a first period of time, controlling the light source to emit light;

During a second period after the first period, check the illuminance value measured through the illuminance sensor,

An electronic device configured to check whether the event occurs based on whether the illuminance value satisfies a specified condition.
The method of claim 1,

The at least one processor, as at least part of the operation of confirming that the wireless charging circuit starts wireless charging,

receiving, from the wireless charging circuit, a second interrupt indicating that the wireless charging is started;

the electronic device configured to confirm that the wireless charging circuit initiates wireless charging based on the reception of the second interrupt.
The method of claim 1,

The at least one processor, as at least part of the operation of confirming that the wireless charging circuit starts wireless charging,

Receive, from the wireless charging circuit, at least one of a magnitude of a voltage, a magnitude of a current, or a magnitude of power on at least one line of the wireless charging circuit,

An electronic device configured to confirm that the wireless charging circuit starts wireless charging based on confirming that at least one of the voltage level, the current level, and the power level satisfies a condition indicating that wireless charging is in progress .
The method of claim 1,

The at least one processor, as at least part of the operation of confirming that the wireless charging circuit starts wireless charging,

Based on reception of a communication signal instructing initiation of wireless charging from a wireless power transmission circuit configured to wirelessly provide power to the electronic device through a communication module of the electronic device, the wireless charging circuit initiates wireless charging An electronic device set up to confirm that
The method of claim 1,

the at least one processor,

When it is not confirmed that the wireless charging circuit initiates wireless charging until a specified period is exceeded after stopping charging of the external electronic device based on the occurrence confirmation of the event, based on the exceeding of the specified period Thus, the electronic device is further set to resume charging of the external electronic device.
The method of claim 1,

hinge structure;

a first housing connected to the hinge structure and including a first surface facing in a first direction and a second surface facing in a second direction opposite to the first direction; and

A second housing connected to the hinge structure and including a third surface facing a third direction and a fourth surface facing a fourth direction opposite to the third direction, the second housing being folded with the first housing around the hinge structure further comprising,

In a folded state, the second side faces the fourth side, and in an unfolded state, the third direction is substantially the same as the first direction;

The wireless charging circuit is included in the first housing,

The charging circuit is included in the second housing.
10. The method of claim 9,

the at least one processor,

As at least part of an operation of controlling the charging circuit to stop charging of the external electronic device based on the occurrence confirmation of the event, in the folded state, the charging circuit included in the second housing controls the external electronic device During charging, it is set to stop charging of the external electronic device based on the occurrence of the event confirmation,

As at least part of an operation of controlling the charging circuit to resume charging of the external electronic device based on confirming that the wireless charging circuit starts wireless charging, the wireless charging circuit included in the first housing in the folded state An electronic device configured to control the charging circuit to resume charging of the external electronic device based on confirming that the charging circuit starts wireless charging.
In an electronic device,

a charging circuit configured to charge an external electronic device inserted into or disposed on the electronic device;

a wireless charging circuit configured to receive power wirelessly, and

at least one processor, the at least one processor comprising:

controlling the charging circuit to charge the external electronic device;

While the charging circuit is charging the external electronic device, based on at least one data from the wireless charging circuit, check the occurrence of an event set to stop charging of the external electronic device,

controlling the charging circuit to stop charging of the external electronic device based on the occurrence confirmation of the event,

an electronic device configured to control the charging circuit to resume charging of the external electronic device based on confirming that the wireless charging circuit starts wireless charging after stopping charging of the external electronic device.
12. The method of claim 11,

The wireless charging circuit is configured to provide a third interrupt based on the detection by the wireless charging circuit of at least a portion of an electromagnetic field generated from a wireless power transmission device configured to wirelessly provide power to the electronic device,

The at least one processor, based on at least one data from the wireless charging circuit, as at least part of an operation of confirming the occurrence of the event set to stop charging of the external electronic device, an electronic device configured to confirm the occurrence of the event based on receipt of a third interrupt.
12. The method of claim 11,

The at least one processor, based on at least one data from the wireless charging circuit, as at least part of the operation of confirming the occurrence of the event set to stop charging of the external electronic device,

Receive, from the wireless charging circuit, at least one of a magnitude of a voltage, a magnitude of a current, or a magnitude of power on at least one line of the wireless charging circuit,

that at least one of the magnitude of the voltage, the magnitude of the current, and the magnitude of the power satisfies a condition indicating that the electronic device is disposed in a charging area of a wireless power transmitter configured to wirelessly provide power to the electronic device An electronic device configured to confirm the occurrence of the event based on the confirmation.
In an electronic device,

a wireless charging circuit configured to receive power wirelessly, and

at least one processor, the at least one processor comprising:

An event set to limit the operation of the at least one device based on at least one data provided from the at least one sensor while at least one device included in the electronic device performs at least one first operation check the occurrence of

based on the confirmation of the occurrence of the event, limit the performance of the at least one first operation of the at least one device;

After restricting the performance of the at least one first operation, based on confirming that the wireless charging circuit initiates wireless charging, the at least one device is configured to release the restriction from performing the at least one first operation. An electronic device set up to control.
15. The method of claim 14,

The at least one device includes an NFC module, and the at least one first operation includes an operation according to an NFC reader mode,

The at least one processor, as at least part of the operation of limiting the operation of the at least one device, controls the NFC module to stop the operation according to the NFC reader mode,

The at least one processor is configured to control the NFC module to resume the NFC reader mode as at least part of an operation of releasing a restriction on performing the at least one first operation.