WO2021141447A1 - Dispositif électronique pour recevoir une énergie sans fil à l'aide d'un signal rf, et procédé de commande associé - Google Patents

Dispositif électronique pour recevoir une énergie sans fil à l'aide d'un signal rf, et procédé de commande associé Download PDF

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Publication number
WO2021141447A1
WO2021141447A1 PCT/KR2021/000268 KR2021000268W WO2021141447A1 WO 2021141447 A1 WO2021141447 A1 WO 2021141447A1 KR 2021000268 W KR2021000268 W KR 2021000268W WO 2021141447 A1 WO2021141447 A1 WO 2021141447A1
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WIPO (PCT)
Prior art keywords
electronic device
antenna
signal
state
communication
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PCT/KR2021/000268
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English (en)
Korean (ko)
Inventor
성정오
박정식
이동영
이성협
이우섭
이정흠
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삼성전자 주식회사
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Publication of WO2021141447A1 publication Critical patent/WO2021141447A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment

Definitions

  • Various embodiments of the present disclosure relate to an electronic device that receives wireless power using a radio frequency (RF) signal, and a method for controlling the same.
  • RF radio frequency
  • an electronic device for example, a portable electronic device such as a smart phone
  • communication service providers or electronic device manufacturers are competitively developing electronic devices to provide various functions and differentiate them from other companies. Accordingly, various functions provided through the electronic device are also increasingly advanced.
  • Portable electronic devices such as mobile phones or personal digital assistants (PDAs) are driven by rechargeable batteries due to their characteristics, and in order to charge the batteries, electric energy is supplied to the batteries of the portable electronic devices by using a separate charging device.
  • the charging device and the battery each have separate external contact terminals, so that the charging device and the battery can be electrically connected by contacting them with each other.
  • These wireless charging technologies are largely an electromagnetic induction method using a coil, a resonance method using resonance, and electromagnetic wave radiation (in other words, radio frequency waves) that converts electrical energy into electromagnetic waves and transmits them (radio). frequency wave radiation).
  • the electromagnetic wave radiation method (in other words, RF charging) has an advantage in that it is advantageous for transmitting and receiving power over a distance of several m compared to other methods.
  • an antenna having a narrowband characteristic for receiving an RF signal (eg, RF energy) of a specific frequency band from a charging device may be used.
  • RF energy harvesting radio frequency energy harvesting technology
  • An antenna having a broadband characteristic for securing RF energy in various frequency bands may be used for RF energy harvesting.
  • RF charging technology and RF energy harvesting technology may each use separate components.
  • an RF signal of a specific frequency band (eg, 900 MHz to 24 GHz) transmitted from an RF charging device (eg, a wireless power transmitter) is transmitted from an electronic device (eg, a wireless power receiver) to an antenna that matches the frequency.
  • a narrowband antenna e.g. a narrowband antenna
  • a narrowband matching network narrowband matching network
  • an electronic device eg, a wireless power receiver
  • receives an electromagnetic wave eg, an RF signal
  • an electromagnetic wave eg, an RF signal
  • the rectifiers may overlap each other by design, and the broadband antenna used in the RF energy harvesting is a radio frequency band (eg, 617 MHz to 2.2 GHz and 5 GHz to 6 GHz). It may overlap with a broadband antenna used in communication (eg, long-term evolution (LTE) communication and 5G communication).
  • LTE long-term evolution
  • the electronic device may use a rectifier that may be overlapped in RF charging and RF energy harvesting in common, and may use a broadband antenna that may be overlapped in LTE wireless communication and RF energy harvesting in common. have.
  • the electronic device may perform RF charging and RF energy harvesting together or separately.
  • an electronic device includes a switch, a first antenna, a second antenna, a first charging circuit, a second charging circuit, a power combiner, a rectifier, and a communication circuit, the first end of the first charging circuit is grounded, the second end of the first charging circuit is connected with the first end of the power combiner, the first end of the second charging circuit is connected with the second antenna, the second end of the second charging circuit is grounded, The third end of the second charging circuit is connected to the second end of the power combiner, the first end of the switch is connected with the first antenna, and the second end of the switch is connected to the third end of the communication circuit or the first charging circuit configured to be selectively coupled with one, the first end of the rectifier may be coupled with the third end of the power combiner.
  • an electronic device includes a plurality of switches, a power combiner, a communication circuit, a rectifier, and a control circuit, wherein the control circuit includes a first RF signal received to the communication circuit through a plurality of first antennas. check the state of and, based on the checked state of the first RF signal, turn at least some of the switches of the plurality of switches such that at least some of the second RF signals received through the plurality of first antennas are transferred to the power combiner.
  • power obtained by combining at least a portion of a third RF signal received through at least one second antenna and a second RF signal received through at least one second antenna may be set to control the power combiner to output to the rectifier.
  • a method of controlling an electronic device includes an operation of checking a state of a first RF signal received to a communication circuit of an electronic device through a plurality of first antennas of the electronic device, and the checked first RF signal an operation of controlling some of the switches of the plurality of switches of the electronic device such that at least some of the second RF signals received through the plurality of first antennas are transmitted to the power combiner of the electronic device based on the state of Power obtained by combining at least a portion of a third RF signal received through at least one second antenna of the electronic device and at least a portion of the received second RF signal and controlling a power combiner of the electronic device to output the .
  • Electronic devices share a rectifier that may overlap in design in RF charging and RF energy harvesting, so that any one rectifier may be omitted.
  • An electronic device uses a broadband antenna that may be overlapped by design in LTE wireless communication and RF energy harvesting in common, and performs LTE wireless communication and RF energy harvesting using a small number of broadband antennas. can be done
  • the electronic device may increase the amount of wireless charging per unit time by performing RF charging and RF energy harvesting together using a power combiner.
  • FIG. 1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure
  • 2A is an exemplary diagram for describing a wireless charging system according to various embodiments.
  • 2B is an exemplary diagram for describing an electronic device according to various embodiments of the present disclosure.
  • FIG. 3 is a block diagram of an electronic device according to various embodiments.
  • 4A is a circuit diagram of an electronic device according to various embodiments of the present disclosure.
  • 4B is a circuit diagram of an electronic device according to various embodiments of the present disclosure.
  • 4C is an exemplary diagram for describing a first switch according to various embodiments.
  • 5A is a circuit diagram of an electronic device according to various embodiments of the present disclosure.
  • 5B is a circuit diagram of an electronic device according to various embodiments.
  • 5C is a circuit diagram of an electronic device according to various embodiments of the present disclosure.
  • 6A is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
  • 6B is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
  • FIG. 7A is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
  • FIG. 7B is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
  • FIG. 8 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
  • FIG. 9 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments.
  • 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 .
  • a first network 198 eg, a short-range wireless communication network
  • a second network 199 e.g., a second network 199
  • the electronic device 101 may communicate with the electronic device 104 through the server 108 .
  • the electronic device 101 includes a processor 120 , a memory 130 , an input device 150 , a sound output device 155 , a display device 160 , an audio module 170 , and a sensor module ( 176 , interface 177 , haptic module 179 , camera module 180 , power management module 188 , battery 189 , communication module 190 , subscriber identification module 196 , or antenna module 197 . ) may be included. In some embodiments, at least one of these components (eg, the display device 160 or the camera module 180 ) may be omitted or one or more other components may be added to the electronic device 101 . In some embodiments, some of these components may be implemented as one integrated circuit. For example, the sensor module 176 (eg, a fingerprint sensor, an iris sensor, or an illuminance sensor) may be implemented while being embedded in the display device 160 (eg, a display).
  • the sensor module 176 eg, a fingerprint sensor, an iris sensor, or an illuminance sensor
  • 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 loaded into the volatile memory 132 , process commands or data stored in the volatile memory 132 , and store the resulting data in the non-volatile memory 134 .
  • software eg, a program 140
  • 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 .
  • the volatile memory 132 may be loaded into the volatile memory 132 , process commands or data stored in the volatile memory 132 , and store the resulting data in the non-volatile memory 134 .
  • the processor 120 includes a main processor 121 (eg, a central processing unit or an application processor), and a secondary processor 123 (eg, a graphics processing unit, an image signal processor) that can be operated independently or in conjunction with the main processor 121 . , a sensor hub processor, or a communication processor). Additionally or alternatively, the auxiliary processor 123 may be configured to use less power than the main processor 121 or to be specialized for a designated function. The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .
  • a main processor 121 eg, a central processing unit or an application processor
  • a secondary processor 123 eg, a graphics processing unit, an image signal processor
  • the auxiliary processor 123 may be configured to use less power than the main processor 121 or to be specialized for a designated function.
  • the auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .
  • the auxiliary processor 123 may be, for example, on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display device 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
  • the coprocessor 123 eg, an image signal processor or a communication processor
  • may be implemented as part of another functionally related component eg, the camera module 180 or the communication module 190. have.
  • the memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176 ) of the electronic device 101 .
  • the data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto.
  • the memory 130 may include a volatile memory 132 or a non-volatile memory 134 .
  • the program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .
  • the input device 150 may receive a command or data to be used by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 .
  • the input device 150 may include, for example, a microphone, a mouse, a keyboard, or a digital pen (eg, a stylus pen).
  • the sound output device 155 may output a sound signal to the outside of the electronic device 101 .
  • the sound output device 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, and the receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.
  • the display device 160 may visually provide information to the outside (eg, a user) of the electronic device 101 .
  • the display device 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the corresponding device.
  • the display device 160 may include a touch circuitry configured to sense a touch or a sensor circuit (eg, a pressure sensor) configured to measure the intensity of a force generated by the touch. have.
  • 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 device 150 , or an external electronic device (eg, a sound output device 155 ) connected directly or wirelessly with the electronic device 101 . The sound may be output through the electronic device 102 (eg, a speaker or a headphone).
  • an external electronic device eg, a sound output device 155
  • the sound may be output through the electronic device 102 (eg, a speaker or a headphone).
  • the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, user state), and generates an electrical signal or data value corresponding to the sensed state. can do.
  • 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 for the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ).
  • 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.
  • HDMI high definition multimedia interface
  • USB universal serial bus
  • SD card interface Secure Digital Card
  • 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 ).
  • 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.
  • 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 .
  • the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • the battery 189 may supply power to at least one component of the electronic device 101 .
  • 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 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.
  • 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 local area network (LAN) communication module, or a power line communication module).
  • 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
  • GNSS global navigation satellite system
  • wired communication module 194 eg, : It may include a local area network (LAN) communication module, or a power line communication module.
  • a corresponding communication module is a first network 198 (eg, a short-range communication network such as Bluetooth, WiFi direct, or IrDA (infrared data association)) or a second network 199 (eg, a cellular network, the Internet, or It may communicate with an external electronic device via a computer network (eg, a telecommunication network such as a LAN or WAN).
  • a computer network eg, a telecommunication network such as a LAN or 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 and authenticated.
  • the antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device).
  • the antenna module may include one antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern.
  • the antenna module 197 may include a plurality of antennas. 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.
  • other components eg, RFIC
  • other than the radiator may be additionally formed as a part of the antenna module 197 .
  • peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
  • GPIO general purpose input and output
  • SPI serial peripheral interface
  • MIPI mobile industry processor interface
  • 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 electronic devices 102 and 104 may be the same or a different type of the electronic device 101 .
  • all or part of the operations executed in the electronic device 101 may be executed in one or more of the external electronic devices 102 , 104 , or 108 .
  • the electronic device 101 may perform the function or service itself instead of executing the function or service itself.
  • one or more external electronic devices may be requested to perform at least a part of the function or the service.
  • the 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.
  • cloud computing, distributed computing, or client-server computing technology may be used.
  • 2A is an exemplary diagram for describing a wireless charging system according to various embodiments.
  • the wireless power transmitter 201 may wirelessly transmit power 205 .
  • the wireless power transmitter 201 may radiate the power 205 in the form of electromagnetic waves of a specific frequency band (eg, 900 MHz to 24 GHz) through the antenna 203 .
  • the antenna 203 may be an antenna having a narrowband characteristic.
  • electromagnetic waves of a specific frequency band are 902 to 928 MHz (center frequency 915 MHz), 2.4 to 2.48 GHz (center frequency 2.45 GHz), 5.725 to 5.875 GHz (center frequency 5.8 GHz)
  • the antenna 203 is illustrated as one antenna in this figure, it may include two or more antennas.
  • the wireless power transmitter 201 may form a directional microwave power beam to charge the electronic device 209 (eg, the electronic device 101 of FIG. 1 ).
  • the wireless power transmitter 201 may communicate with the electronic device 209 through the antenna 203 in a predetermined manner.
  • the wireless power transmitter 201 performs wireless power near field communication (NFC), Zigbee communication, infrared communication, visible light communication, Bluetooth communication, BLE (bluetooth low energy) communication, or ultra-wide band (UWB) communication. Communication may be performed using at least one communication method.
  • the wireless power transmitter 201 may transmit and/or receive the wireless communication signal 207 through communication with the electronic device 209 .
  • the wireless communication signal 207 may include electromagnetic waves of a specific frequency band (eg, 900 MHz, 5.8 GHz, or 24 GHz).
  • the electronic device 209 may wirelessly receive the transmitted power 205 .
  • the electronic device 209 may receive the power 205 radiated in the form of electromagnetic waves of a specific frequency band (eg, 900 MHz to 24 GHz) through the antenna 211 .
  • the antenna 211 may be an antenna having a narrowband characteristic (eg, a narrowband antenna). Although the antenna 211 is illustrated as one antenna in this drawing, it may include two or more antennas.
  • the electronic device 209 may receive wireless power from the wireless power transmitter 201 and perform charging of a battery (eg, the battery 189 of FIG. 1 ) provided therein.
  • a battery eg, the battery 189 of FIG. 1
  • the electronic device 209 may communicate with the wireless power transmitter 201 through the antenna 211 in a predetermined manner.
  • the wireless power transmitter 201 may perform communication using wireless power near field communication (NFC), Zigbee communication, infrared communication, visible light communication, Bluetooth communication, or BLE (bluetooth low energy) method.
  • the electronic device 209 may transmit and/or receive the wireless communication signal 207 through communication with the wireless power transmitter 201 .
  • the wireless communication signal 207 may include electromagnetic waves of a specific frequency band (eg, 900 MHz to 24 GHz).
  • the electronic device 209 may transmit to the wireless power transmitter 201 at least one of a signal requesting wireless power transmission, information required for wireless power reception, electronic device status information, and control information of the wireless power transmitter 201 . .
  • the electronic device 209 may include a plurality of antennas 213 - 1 to 213 - n.
  • the plurality of antennas 213 - 1 to 213 - n may be antennas (eg, broadband antennas) having broadband characteristics.
  • each of the plurality of antennas 213-1 to 213-n may receive electromagnetic waves 215a and 215b included in a wide band (eg, 617 MHz to 2.2 GHz and 5 GHz to 6 GHz bands).
  • the broadband electromagnetic wave 215a may be a long-term evolution (LTE) communication signal, a 5G communication signal, a millimeter wave (mmwave) communication signal, or other wireless communication signal.
  • LTE long-term evolution
  • 5G communication signal a millimeter wave (mmwave) communication signal
  • mmwave millimeter wave
  • the electromagnetic wave 215b may include various wireless communication signals that may be sensed in the vicinity of the electronic device 209 . Although the electromagnetic wave 215a and the electromagnetic wave 215b are separately illustrated in FIG. 2 , the electromagnetic wave 215b may include the electromagnetic wave 215a.
  • the electronic device 209 transmits and/or transmits an electromagnetic wave 215a (eg, a wireless communication signal) to and/or from a communication base station using all or some of the plurality of antennas 213-1 to 213-n. Alternatively, communication may be performed by receiving.
  • the electronic device 209 receives various electromagnetic waves 215b (eg, wireless communication signals) sensed in the vicinity of the electronic device 209 by using the remaining antennas among the plurality of antennas 213-1 to 213-n. A charging operation using RF energy harvesting may be performed.
  • FIG. 2B is an exemplary diagram for describing an electronic device (eg, the electronic device 101 of FIG. 1 ) according to various embodiments of the present disclosure.
  • the electronic device (eg, the electronic device 101 of FIG. 1 ) may be the portable terminal 217 .
  • the portable terminal 217 may be various types of portable terminals.
  • the mobile terminal 217 may include a plurality of communication antennas 219-1, 219-2 to 219-n.
  • the plurality of communication antennas 219-1, 219-2 to 219-n may correspond to at least one of a low-band (LB) antenna, a mid-band (MB) antenna, and a high-band (HB) antenna.
  • LB low-band
  • MB mid-band
  • HB high-band
  • the plurality of communication antennas 219 - 1 , 219 - 2 to 219 - n are the plurality of antennas 213 - 1 to 213 - n of FIG. 2A or the first antenna of FIG. 3 . (301).
  • FIG. 3 is a block diagram of an electronic device 209 according to various embodiments.
  • the electronic device 209 includes a first antenna 301 , a second antenna 303 , a first switch 305 , a first charging circuit 307 , a second charging circuit 309 , Communication circuit 311 (eg, communication module 190 of FIG. 1 ), power combiner 313 , rectifier 315 , battery 317 (eg, battery 189 of FIG. 1 ), charger IC (charger IC) ) 321 or a control circuit 319 (eg, the processor 120 of FIG. 1 ).
  • Communication circuit 311 eg, communication module 190 of FIG. 1
  • power combiner 313 rectifier 315
  • battery 317 eg, battery 189 of FIG. 1
  • charger IC charger IC
  • control circuit 319 eg, the processor 120 of FIG. 1 .
  • the first antenna 301 is an antenna having a broadband characteristic for transmitting and/or receiving an electromagnetic wave (eg, the electromagnetic wave 215a of FIG. 2A ) of a broadband frequency (eg, 617 MHz to 2.2 GHz). (eg, a broadband antenna).
  • the first antenna 301 may receive various electromagnetic waves detected in the vicinity of the electronic device 209 (eg, the electromagnetic wave 215b of FIG. 2A ).
  • the first antenna 301 may include a plurality of antennas 213 - 1 to 213 - n of FIG. 2A .
  • the second antenna 303 receives an electromagnetic wave (eg, power 205 of FIG. 2A ) of a specific frequency band (eg, 900 MHz to 24 GHz) or receives an electromagnetic wave (eg, a wireless communication signal 207). ) may be an antenna (eg, a narrowband antenna) having narrowband characteristics for transmitting and/or receiving.
  • the second antenna 303 may include the antenna 211 of FIG. 2A .
  • the first switch 305 may include a number of switches corresponding to the first antennas 301 (eg, the plurality of antennas 213-1 to 213-n of FIG. 2A ). can According to various embodiments, the first switch 305 selectively connects the first antenna 301 with at least one of the communication circuit 311 or the first charging circuit 307 according to the connection state of the plurality of switches. can connect For example, when the first switch 305 includes three switches, the two switches connect the first antenna 301 (eg, two antennas) to the communication circuit 311 , and the remaining one switch may connect the first antenna 301 (eg, one antenna) to the first charging circuit 307 .
  • the first switch 305 may be smaller than the number of first antennas (eg, 213-1 to 213-n of FIG. 2A ).
  • the switch may be implemented as, for example, a MOSFET, but there is no limitation in the implementation form.
  • a state in which the first switch 305 is connected to the communication circuit 311 may be referred to as a first state
  • a state in which the first switch 305 is connected to the first charging circuit 307 may be referred to as a second state.
  • the first charging circuit 307 may include at least one capacitor and at least one inductor, and may be implemented as a tee (T) matching or a pi ( ⁇ ) matching.
  • the first charging circuit 307 may perform impedance matching with respect to broadband electromagnetic waves (eg, electromagnetic waves 215a and 215b of FIG. 2A ) from the first antenna 301 .
  • the first charging circuit 307 may be disposed between the first switch 305 and the power combiner 313 to perform impedance matching between the power combiner 313 and components other than the power combiner 313 . have.
  • a wireless power transmitter eg, the wireless power transmitter 201 of FIG.
  • the first charging circuit 307 may adjust the impedance based on the control of the control circuit 319 .
  • the first charging circuit 307 may further include a switch device.
  • the control circuit 319 may control a connection state of at least one of the at least one inductor and the at least one capacitor through the switch device, thereby performing impedance matching.
  • the second charging circuit 309 may include at least one capacitor and at least one inductor, and may be implemented as a tee (T) matching or a pi ( ⁇ ) matching.
  • the second charging circuit 309 is impedance matching from the second antenna 303 to an electromagnetic wave (eg, the power 205 of FIG. 2A ) of a specific frequency band (eg, 900 MHz to 24 GHz) (in other words, a narrow band). can be performed.
  • the second charging circuit 309 is disposed between the second antenna 303 and the power combiner 313 to perform impedance matching between the power combiner 313 and components other than the power combiner 313 . have.
  • components other than the power combiner 313 may be the second antenna 303 .
  • the first charging circuit 307 may adjust the impedance based on the control of the control circuit 319 .
  • the first charging circuit 307 may further include a switch device.
  • the control circuit 319 may control a connection state of at least one of the at least one inductor and the at least one capacitor through the switch device, thereby performing impedance matching.
  • the communication circuit 311 may communicate with a communication base station by transmitting and/or receiving an electromagnetic wave (eg, the electromagnetic wave 215a of FIG. 2A ).
  • the electromagnetic wave (eg, the electromagnetic wave 215a of FIG. 2A ) may include an LTE communication signal.
  • the communication circuit 311 may include at least one matching circuit, an antenna tuner, a duplexer, and an LPAMID (low noise amplifier (LNA), pulse amplitude (PAM) for a low band signal). modulation), a power amplifier (PA), a front-end module with integrated duplexers (FEMID), an LPAMID for a mid-high band signal, or a transceiver.
  • LNA low noise amplifier
  • PAM pulse amplitude modulation
  • PA power amplifier
  • FEMID front-end module with integrated duplexers
  • the power amplifier may include a power level detection circuit such as a transmitter signal strength indicator (TSSI).
  • a low noise amplifier (LNA) may amplify an RF signal received from an external device.
  • An antenna tuner may include at least one tuning circuit selected from an impedance tuning circuit and an aperture tuning circuit.
  • the power combiner 313 combines AC power (or AC current) received through a plurality of input terminals into one AC power (or AC current) and outputs it through an output terminal. can do.
  • the power combiner 313 may have a structure in which a power divider and an input terminal and an output terminal are opposite to each other. For example, a Wilkinson divider may be used.
  • the power combiner 313 may be implemented using various structures, and is not limited to the above-described example.
  • the rectifier 315 may include at least one capacitor and at least one diode.
  • the rectifier 315 may rectify AC power (or AC current) received as an input terminal and convert it into DC power (or DC current).
  • the rectifier 315 may be implemented in the form of a bridge diode, but the implementation form is not limited.
  • the battery 317 may store DC power.
  • the battery 317 may include a rechargeable secondary cell or a fuel cell.
  • the charger IC 321 is disposed between the rectifier 315 and the battery 317 and uses the DC power (or DC current) converted from the rectifier 315 and output, the battery ( 317) can be charged.
  • control circuit 319 may control at least one of the first switch 305 , the communication circuit 311 , or the power combiner 313 , and control the overall operation of the electronic device 209 .
  • the control circuit 319 may control the overall operation of the electronic device 209 using an algorithm, program, or application required for control stored in a memory (eg, the memory 130 of FIG. 1 ).
  • the control circuit 319 may be implemented in the form of a CPU, a microprocessor, or a mini computer.
  • the control circuit 319 may control to display the state of the electronic device 209 on a display unit (eg, the display device 160 of FIG. 1 ).
  • the electronic device 209 may further include at least one component for wireless charging, in addition to the components illustrated in this figure.
  • the electronic device 209 may further include a DC/DC converter (not shown).
  • a DC/DC converter (not shown) may be disposed between the rectifier 315 and the battery 317 to convert power (eg, DC power) rectified by the rectifier 315 to a preset gain.
  • the electronic device 209 may further include a harvesting power bank (not shown).
  • the harvesting power bank may temporarily store DC power (or DC current) converted and output by the rectifier 315 .
  • the harvesting power bank (not shown) may have a structure different from that of the battery 317 and may be omitted.
  • 4A is a circuit diagram of an electronic device 209 according to various embodiments.
  • 4B is a circuit diagram of an electronic device 209 according to various embodiments.
  • the electronic device 209 includes a first antenna 301 , a second antenna 303 , a first switch 305 , a first charging circuit 307 , a second charging circuit 309 , Communication circuit 311 (eg, communication module 190 of FIG. 1 ), power combiner 313 , rectifier 315 , battery 317 (eg, battery 189 of FIG. 1 ), charger IC 321 ) Alternatively, it may include at least one of the control circuit 319 (eg, the processor 120 of FIG. 1 ).
  • the control circuit 319 eg, the processor 120 of FIG. 1
  • connection state of the first switch 305 may be changed according to control by the communication circuit 311 and/or the control circuit 319 .
  • the second terminal 401 may be selectively connected to either the communication circuit 311 or the first charging circuit 307 according to the control.
  • FIG. 4A illustrates a state in which the second end 401 of the first switch 305 is connected to a communication circuit (hereinafter, referred to as a first state). This may be referred to as a default state of the electronic device 209 .
  • the first end of the first switch 305 may be connected to the first antenna 301 , and the second end 401 of the first switch 305 may be connected to the communication circuit 311 . have. In this case, the first antenna 301 and the first charging circuit 307 may not be connected.
  • the first switch 305 has a low impedance of the rectifier 315 (eg, the first switch 305 in the first switch 305 ). 1 may be used to separate the input impedance as viewed from the charging circuit 307 side.
  • the first charging circuit 307 may include a first capacitor 403 and a first inductor 405 .
  • the first end of the first capacitor 403 is connected to the first end of the first inductor 405 and the first end of the power combiner 313 , and the second end of the first capacitor 403 is open. It may not be connected to the communication circuit 311 .
  • a first end of the first inductor 405 may be connected to a first end of the first capacitor 403 and a first end of the power combiner 313 , and a second end of the first inductor 405 may be grounded.
  • the second charging circuit 309 may include a second capacitor 407 and a second inductor 409 .
  • the first end of the second capacitor 407 is connected to the second antenna 303
  • the second end of the second capacitor 407 is connected to the first end of the second inductor 409 and the first end of the power combiner 313 . It can be connected to the 2nd stage.
  • a first end of the second inductor 409 may be connected to a second end of the second capacitor, and a second end of the second inductor 409 may be grounded.
  • the rectifier 315 may include a third capacitor 411 , a first diode 413 , a second diode 415 , and a fourth capacitor 417 .
  • the first end of the third capacitor 411 is connected to the third end of the power combiner 313, the second end of the third capacitor 411 is connected in the reverse direction to the first diode 413, and the second diode ( 415) can be connected in the forward direction.
  • a first terminal of the fourth capacitor 417 may be connected to the second diode 415 in a reverse direction and be grounded.
  • FIG. 4B illustrates a state in which the second terminal 401 of the first switch 305 is connected to the first charging circuit 307 (hereinafter, referred to as a second state). This may be referred to as an RF energy harvesting operation state of the electronic device 209 .
  • the first charging circuit 309 (eg, the first end of the first capacitor 403 and the first end of the first inductor 409 ) is connected to the second of the first switch 305 . It may be connected to the terminal 401 to be connected to the first antenna 301 . In this case, the first antenna 301 and the communication circuit 311 may not be connected.
  • the electronic device 209 is illustrated as including one each of the first antenna 301, the first switch 305, and the first charging circuit 307, but the electronic device ( 209 may include at least one of the first antenna 301 , the first switch 305 , and the first charging circuit 307 , respectively.
  • the electronic device 209 includes three first antennas 301 and three first switches 305 each, two first switches 305 are in a first state, and one first switch 305 may be the second state.
  • two first antennas 301 may be connected to the communication circuit 311
  • one first antenna may be connected to the first charging circuit 307 .
  • the electronic device 209 includes the first charging circuit 307 in the same number as the first switches 305 and/or the first antennas 301 to include the first charging circuit 307 in the first state.
  • a first antenna corresponding to the first switch 305 in a first state can be connected to each of the first antennas 301 corresponding to the switches 305, or including only one first charging circuit 307 ( 301 may be connected to one first charging circuit 307 .
  • 4C is an exemplary diagram for explaining the first switches 305-1, 305-2 to 305-n according to various embodiments.
  • the first switch 305 of FIGS. 4A and 4B may include a plurality of first switches 305 - 1 , 305 - 2 to 305 - n .
  • the plurality of first switches 305-1, 305-2 to 305-n are connected to the plurality of first antennas 301-1 and 301- according to a connection state. 2, to 301-n) may be selectively connected to at least one of a communication circuit (eg, the communication circuit 311 of FIG. 3 ) or a first charging circuit (eg, the first charging circuit 307 of FIG. 3 ). .
  • a communication circuit eg, the communication circuit 311 of FIG. 3
  • a first charging circuit eg, the first charging circuit 307 of FIG. 3
  • the first switch 305-1 in the first state, the second terminal 401-1 is connected to a communication circuit (eg, the communication circuit 311 of FIG. 3), so that the first The antenna 301-1 may be connected to a communication circuit (eg, the communication circuit 311 of FIG. 3 ).
  • the first switches 305-2 and 305-n that are in the second state, the second terminals 401-2 and 401-n are connected to a communication circuit (eg, the communication circuit ( 311)) to connect each of the first antennas 301 - 2 and 301 - n to a first charging circuit (eg, the first charging circuit 307 of FIG. 3 ).
  • a communication circuit eg, the communication circuit ( 311)
  • a first charging circuit eg, the first charging circuit 307 of FIG. 3
  • the first switches 305-1, 305-2 to 305-n and the first antennas 301-1, 301-2, to 301-n are illustrated in the same number, but the first switch
  • the numbers 305-1, 305-2 to 305-n may be smaller than the number of first antennas 301-1, 301-2, to 301-n.
  • some of the first antennas 301-1, 301-2, to 301-n do not go through the first switches 305-1, 305-2 to 305-n, and the communication circuit 311 ), and only the remaining part of the first antennas 301-1, 301-2, to 301-n is in the connected state of the plurality of first switches 305-1, 305-2 to 305-n.
  • a communication circuit eg, the communication circuit 311 of FIG. 3
  • a first charging circuit eg, the first charging of FIG. 3
  • the above-described plurality of first switches (305-1, 305-2 to 305-n) and a plurality of first antennas (301-1, 301-2, to 301-n) may be equally described in other drawings of the present disclosure.
  • 5A is a circuit diagram of an electronic device 209 according to various embodiments.
  • 5B is a circuit diagram of an electronic device 209 according to various embodiments.
  • 5C is a circuit diagram of an electronic device 209 according to various embodiments.
  • the electronic device 209 of FIGS. 5A to 5C is a second switch in place of the power combiner 313 among the components of the electronic device 209 shown in FIGS. 3, 4A and 4B .
  • 501 may be further included.
  • connection state of the first switch 305 may be changed according to control by the communication circuit 311 and/or the control circuit 319 .
  • the second terminal 401 may be selectively connected to either the communication circuit 311 or the first charging circuit 307 according to the control.
  • connection state of the second switch 501 may be changed according to control by the control circuit 319 .
  • the first terminal 503 may be selectively connected to either the first charging circuit 307 or the second charging circuit 309 according to the control.
  • FIG. 5A shows a state in which the second terminal 401 of the first switch 301 is connected to the communication circuit 311 (hereinafter, referred to as a first state), and the first terminal 503 of the second switch 501 is connected to the first terminal 503 of the second switch 501 .
  • a state connected to the charging circuit 307 (hereinafter, a third state) is shown. This may be referred to as a default state of the electronic device 209 .
  • the communication circuit 311 may be connected to the second terminal 401 of the first switch 305 to be connected to the first antenna 301 .
  • the first antenna 301 and the first charging circuit 307 may not be connected.
  • the first charging circuit 307 (eg, the first end of the first capacitor 403 and the first end of the first inductor 405 ) is the first of the second switch 501 . It may be connected to the terminal 503 and connected to the rectifier 315 (eg, the first terminal of the third capacitor 411 ).
  • the second charging circuit 309 (eg, the second end of the second capacitor 407 and the first end of the second inductor 409 ) is open, so that the rectifier 315 is open. may not be connected with
  • FIG. 5B shows a state in which the second terminal 401 of the first switch 301 is connected to the communication circuit 311 (hereinafter, referred to as a first state), and the first terminal 503 of the second switch 501 is connected to the first terminal 503 of the second switch 501 .
  • a state connected to the second charging circuit 309 (hereinafter, a fourth state) is shown. This may be referred to as an RF charging operation state of the electronic device 209 .
  • the communication circuit 311 may be connected to the second terminal 401 of the first switch 305 to be connected to the first antenna 301 .
  • the first antenna 301 and the first charging circuit 307 may not be connected.
  • the second charging circuit 309 (eg, the first end of the second capacitor 407 and the first end of the second inductor 409 ) is connected to the first of the second switch 501 . It may be connected to the terminal 503 and connected to the rectifier 315 (eg, the first terminal of the third capacitor 411 ).
  • the first charging circuit 307 (eg, the first end of the first capacitor 403 and the first end of the first inductor 409 ) is open, so that the rectifier 315 is open. may not be connected with
  • 5C shows a state in which the second terminal 401 of the first switch 301 is connected to the first charging circuit 307 (hereinafter, referred to as a second state), and the first terminal 503 of the second switch 501 is shown.
  • a state connected to the first charging circuit 307 (hereinafter, a third state) is shown. This may be referred to as an RF energy harvesting operation state of the electronic device 209 .
  • the first charging circuit 307 (eg, the first end of the first capacitor 403 and the first end of the first inductor 405 ) is connected to the second of the first switch 305 . It may be connected to the terminal 401 to be connected to the first antenna 301 . In this case, the first antenna 301 and the communication circuit 311 may not be connected.
  • the first charging circuit 307 (eg, the first end of the first capacitor 403 and the first end of the first inductor 405 ) is the first of the second switch 501 . It may be connected to the terminal 503 and connected to the rectifier 315 (eg, the first terminal of the third capacitor 411 ). In this case, the second charging circuit 309 may not be connected to the rectifier 315 .
  • the electronic device 209 is illustrated as including one first antenna 301, one first switch 305, and one first charging circuit 307, respectively, but the electronic device ( 209 may include at least one of the first antenna 301 , the first switch 305 , and the first charging circuit 307 , respectively. Since this has been described with reference to FIGS. 4A and 4B , a detailed description thereof will be omitted.
  • 6A is a flowchart 600a for explaining a method of operating an electronic device (eg, the electronic device 209 of FIG. 2A ) according to various embodiments of the present disclosure.
  • the electronic device 209 may check the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) in operation 610a.
  • the first RF signal eg, the electromagnetic wave 215a of FIG. 2A
  • the state of the first RF signal may include at least one of a receiver sensitivity and a communication speed.
  • the reception sensitivity is a measure of receiver performance and may mean the minimum strength of a signal that can be detected by the receiver (eg, the electronic device 209), and the unit is dBm (decibels above 1 milliwatt).
  • the communication speed is a measure indicating the amount of information received per unit time, and the unit may be bit/s.
  • the reception sensitivity and communication speed may correspond to (eg, proportional to) the number of first antennas (eg, the first antenna 301 of FIG. 3 ) used for wireless communication.
  • the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) may include signal quality.
  • the electronic device 209 receives a first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) using a communication circuit (eg, the communication circuit 311 of FIG. 3 ), of the first RF signal (eg, electromagnetic wave 215a of FIG.
  • the electronic device 209 uses a communication circuit (eg, the communication circuit 311 of FIG. 3 ) and/or a control circuit (eg, the control circuit 319 of FIG. 3 ). You can check the status. If the electronic device 209 is in a state (eg, standby state) not performing wireless communication with the communication base station, the electronic device 209 transmits the first RF signal (eg, the electromagnetic wave ( 215a))), the number of designated first antennas (eg, the first antenna 301 of FIG. 3 ) required to receive it can be checked, and the number of designated first antennas (eg, the first antenna 301 of FIG. 3 ) can be confirmed. The number of may be a preset value.
  • the first RF signal eg, the electromagnetic wave ( 215a)
  • the electronic device 209 performs a plurality of first switches (eg, based on the state of the identified first RF signal (eg, the electromagnetic wave 215a of FIG. 2A )). Some of the switches of the first switch 305 of FIG. 3 ) may be controlled.
  • the communication circuit eg, the communication circuit 311 of FIG. 3
  • the control circuit eg, the control circuit 319 of FIG. 3
  • may send the identified first RF signal eg, the electromagnetic wave 215a of FIG.
  • the communication circuit eg, the communication circuit 311 of FIG. 3
  • the control circuit eg, the control circuit 319 of FIG. 3
  • the received first RF signal eg, the electromagnetic wave of FIG. 2A ) (215a)
  • the communication circuit eg, the communication circuit 311 of FIG. 3
  • the control circuit eg, the control circuit 319 of FIG. 3
  • the communication circuit eg, the communication circuit 311 of FIG. 3
  • the control circuit eg, the control circuit 319 of FIG. 3
  • the communication circuit may have the strength of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ).
  • the electronic device 209 includes first switches (eg, connected) corresponding to (eg, connected to) the determined number of first antennas (eg, the first antenna 301 of FIG. 3 ). Switches or maintains the state of the first switch 305 of 3) (in other words, some switches) to the second state, and states of other first switches (eg, the first switch 305 of FIG. 3 ).
  • first antennas eg, the first antenna of FIG. 3
  • the electronic device 209 uses a preset number of first antennas (eg, the first antenna of FIG. 3 ). Switching or maintaining the state of the first switches (eg, the first switch 305 of FIG. 3 ) (in other words, some switches) corresponding to (eg, connected to) one antenna 301) to the second state, and The states of the first switches other than , (eg, the first switch 305 of FIG. 3 ) may be switched or maintained to the first state. 4A to 5C together, first antennas (eg, the first antenna 301 of FIG.
  • the first switching circuit 3 corresponding to the first switches (eg, the first switch 305 of FIG. 3 ) in the second state )) is connected to the first charging circuit (eg, the first charging circuit 307 of FIG. 3 ) as shown in FIG. 4B or 5C , and the first switches in the first state (eg, the first switch ( 305)) corresponding to the first antennas (eg, the first antenna 301 of FIG. 3) are to be connected to a communication circuit (eg, the communication circuit 311 of FIG. 3) as shown in FIGS. 4A, 5A or 5B.
  • a communication circuit eg, the communication circuit 311 of FIG.
  • the electronic device 209 performs some switches (eg, the first switch of FIG. 3 ) among the plurality of first switches (eg, the first switch 305 of FIG. 3 ).
  • a second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) received through the first antennas (eg, the first antenna 301 of FIG. 3 ) corresponding to the 305 ) is converted into a first charging circuit (eg, the electromagnetic wave 215b of FIG. 2A ) : may be transmitted to the first charging circuit 307 of Fig. 3.
  • the second RF signal (eg, the electromagnetic wave 215b of Fig. 2A ) may mean various electromagnetic waves detected in the vicinity of the electronic device 209 .
  • the second RF signal may include the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A )
  • Part of a second RF signal (eg, FIG. 2A ) of a second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) received through the plurality of first antennas (eg, the first antenna 301 of FIG. 3 ) of the electromagnetic wave 215b) of the first antennas (eg, the first antenna 301 of FIG. 3) corresponding to the first switches (eg, the first switch 305 of FIG. 3) in the second state.
  • the first charging circuit eg, the first charging circuit 307 of FIG. 3
  • the electronic device eg, the electronic device 209 of FIG. 1
  • the first charging circuit eg, the electronic device 209 of FIG. 1
  • the RF energy harvesting operation may be performed using the second RF signal (eg, the electromagnetic wave 215 of FIG. 2A ) transmitted to the first charging circuit 307 of Fig. 3.
  • the electronic device 209, the first antennas (eg, the first antenna 301 of FIG. 3) corresponding to the first switches (eg, the first switch 305 of FIG. 3) in the first state is a communication circuit (eg, : Since it can be connected to the communication circuit 311 of FIG.
  • the first antennas eg, the first antenna of FIG. 3
  • the first switches eg, the first switch 305 of FIG. 3
  • the first RF signal eg, the electromagnetic wave 215a of FIG. 2A
  • 6B is a flowchart 600b illustrating a method of operating an electronic device (eg, the electronic device 209 of FIG. 2A ) according to various embodiments of the present disclosure.
  • the electronic device 209 may check the existence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ).
  • the electronic device 209 uses a resonator (eg, a coil) to receive a beacon signal transmitted from an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) in a magnetic resonance method.
  • a communication circuit eg, the communication circuit 311 of FIG. 3
  • a control circuit eg, the control circuit 319 of FIG. 3
  • the presence of the power transmitter 201) may be confirmed.
  • the beacon signals transmitted by an external electronic device may have different lengths of wireless power (eg, a long beacon or a short beacon). ) may be included.
  • the electronic device 209 transmits an electromagnetic wave transmitted from an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) in an electromagnetic wave radiation method to a first antenna (eg, the first antenna 301 of FIG. 3 ). )) or a second antenna (eg, the second antenna 303 in FIG. 3 ), and receives the received electromagnetic wave through a communication circuit (eg, the communication circuit 311 in FIG. 3 ) or a control circuit (eg, FIG.
  • an electromagnetic wave transmitted by an electromagnetic wave radiation method by an external electronic device is an electromagnetic wave of a broadband frequency (eg, 617 MHz to 2.2 GHz) (eg, the electromagnetic wave 215a of FIG. 2A )) is received through a first antenna (eg, the first antenna 301 of FIG. 3 ), and in the case of an electromagnetic wave (eg, power 205 in FIG. 2A ) of a specific frequency band (eg, 900 MHz to 24 GHz), the second It may be received through an antenna (eg, the second antenna 303 of FIG.
  • the electromagnetic wave transmitted by the electromagnetic wave radiation method by an external electronic device is information related to the connection of short-range wireless communication (eg, Bluetooth low energy (BLE) communication) for RF charging Alternatively, it may be a signal including at least one of identification information of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ).
  • short-range wireless communication eg, Bluetooth low energy (BLE) communication
  • BLE Bluetooth low energy
  • the electronic device 209 when the existence of the external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed in operation 630b, the electronic device 209 performs at least one second switch (eg: The second switch 501 of FIGS. 5A to 5C may be controlled.
  • the control circuit eg, the control circuit 319 of FIG. 3
  • switches the connection state of the at least one second switch eg, the second switch 501 of FIGS. 5A to 5C
  • at least one second antenna eg, FIG. 3
  • a fourth state eg, the second switch 501 of FIGS.
  • the electronic device 209 does not include the at least one second switch (eg, the second switch 501 of FIGS. 5A to 5C ) and does not include a power combiner (eg, the power combiner 313 of FIG. 3 ). )) (eg, FIGS. 3 and 5A to 5C ), operation 630b may be omitted.
  • the electronic device 209 receives a third RF signal (eg, of FIG. 2A ) through at least one second antenna (eg, the second antenna 303 of FIG. 3 ). power 205).
  • a third RF signal eg, of FIG. 2A
  • the electronic device 209 includes at least one second switch (eg, the second switch 501 of FIGS. 5A to 5C ) (eg, FIGS. 4A and 4B )
  • at least one second antenna eg, FIG. 5A
  • the second antenna 303 of 3 may correspond to at least one second switch (eg, the second switch 501 of FIGS. 5A to 5C ) in the fourth state.
  • the third RF signal eg, the power 205 of FIG.
  • the power is the power (eg, the power 205 of FIG. 2A ) radiated in the form of electromagnetic waves in a specific frequency band (eg, 900 MHz to 24 GHz) may include 4A to 5C together
  • the third RF signal eg, the power 205 of FIG. 2A
  • the third RF signal is received through at least one second antenna (eg, the second antenna 303 of FIG. 3 ) to a power combiner (eg, power combiner 313 in FIG. 3 ) or at least one second switch (eg, second switch 501 in FIGS. 5A to 5C ) through a rectifier (eg, rectifier 315 in FIG.
  • the electronic device 209 connects and maintains short-range wireless communication (eg, BLE communication) with an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ), and an external electronic device ( Example: The wireless power transmitter 201 of FIG. 2A ) may be notified of battery state information (eg, remaining battery amount, number of charging times, usage amount, battery capacity, or battery ratio) or charging related information.
  • short-range wireless communication eg, BLE communication
  • an external electronic device eg, the wireless power transmitter 201 of FIG. 2A
  • Example: The wireless power transmitter 201 of FIG. 2A may be notified of battery state information (eg, remaining battery amount, number of charging times, usage amount, battery capacity, or battery ratio) or charging related information.
  • the charging related information may include charging setting information related to the state of the battery 317 , power amount control information related to adjusting the amount of power transmitted to the electronic device 209 , and an environment related to the charging environment of the electronic device 209 . It may include at least one of information and time information of the electronic device 209 .
  • the charging setting information may be information related to the state of the battery 317 of the electronic device 209 at the time of wireless charging between the wireless power transmitter 201 and the electronic device 209 .
  • the charging setting information may include at least one of a charging mode, a charging method, or a wireless reception frequency band of the electronic device 209 .
  • the amount of power control information may be information for controlling the amount of initial power transmitted according to a change in the amount of power charged in the electronic device 209 during wireless charging between the wireless power transmitter 201 and the electronic device 209 .
  • the environment information is information obtained by measuring the charging environment of the electronic device 209 by a sensing circuit (not shown) of the electronic device 209 , and includes at least one of an internal temperature and an external temperature of the electronic device 209 . It may include at least one of temperature data, illuminance data representing the illuminance (brightness) around the electronic device 209 , and sound data representing sound (noise) around the electronic device 209 .
  • short-range wireless communication eg, BLE communication
  • an external electronic device eg, the wireless power transmitter 201 of FIG. 2A
  • a battery eg, the battery (eg, the battery ( 317)) can be performed until it is fully buffered.
  • FIG. 7A is a flowchart 700a illustrating a method of operating an electronic device (eg, the electronic device 209 of FIG. 2A ) according to various embodiments of the present disclosure.
  • the electronic device 209 may determine whether the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed. Operation 701a may be described in the same manner as operation 601b of FIG. 6B .
  • the electronic device 209 when the existence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed, the electronic device 209 , in operation 703a, performs a first RF signal (eg, the wireless power transmitter 201 of FIG. 2A ). It may be determined whether the state of the electromagnetic wave 215a) satisfies a preset condition. Operation 703a may be described in the same manner as operation 610a of FIG. 6A . According to various embodiments, when it is determined that the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) does not satisfy a preset condition, the electronic device 209 may perform operation 701a.
  • a first RF signal eg, the wireless power transmitter 201 of FIG. 2A
  • the electronic device 209 may, in operation 705a, perform a plurality of first switches Some of the switches (eg, the first switch 305 of FIG. 3 ) may be controlled. Operation 705a may be described in the same manner as operation 630a of FIG. 6A .
  • the electronic device 209 performs first antennas (eg, first antennas) corresponding to some of the plurality of first switches (eg, the first switch 305 of FIG. 3 ).
  • the second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) received through the first antenna 301 of FIG. 3 ) is transmitted to the first charging circuit (eg, the first charging circuit 307 of FIG. 3 )
  • Operation 707a may be described in the same manner as operation 650a of Fig. 6A
  • the electronic device 209 receives the second RF transmitted to the first charging circuit (eg, the first charging circuit 307 of FIG. 3 ).
  • An RF energy harvesting operation may be performed using a signal (eg, the electromagnetic wave 215b of FIG. 2A ).
  • the electronic device 209 may determine whether the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed.
  • the electronic device 209 may periodically/repeatedly check the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) while performing the RF energy harvesting operation.
  • An operation in which the electronic device 209 confirms the existence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) may be described in the same manner as in operation 701a.
  • the electronic device 209 may perform operation 707a.
  • the electronic device 209 performs the operation 711a of the plurality of first switches (eg, FIG. 2A ).
  • a second RF signal eg, the electromagnetic wave 215b of FIG. 2A
  • first antennas eg, the first antenna 301 of FIG. 3
  • third RF signal eg, power 205 of FIG. 2A
  • at least one second antenna eg, the second antenna 303 of FIG. 3
  • the electronic device 209 uses a specific frequency band by the external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ).
  • a third RF signal (eg, power 205 of FIG. 2A ) radiated in the form of electromagnetic waves of (eg, 900 MHz to 24 GHz) is transmitted through at least one second antenna (eg, second antenna 303 of FIG. 3 ) can receive
  • the electronic device 209 includes a second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) input to the first end of the power combiner (eg, the power combiner 313 of FIG.
  • a third of the power combiner (eg, the power combiner 313 of FIG. 3 ) by combining a third RF signal (eg, the power 205 of FIG. 2A ) input to the second end of the power combiner 313 of FIG. 3 ) It can be output through the terminal (eg output terminal).
  • the electronic device 209 performs a charging operation using AC power output by combining the second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) and the third RF signal (eg, the power 205 of FIG. 2A ). can be performed.
  • the electronic device 209 if the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed, the electronic device 209 performs at least one second antenna (eg, FIG. 2A ) in operation 713a.
  • a third RF signal (eg, the power 205 of FIG. 2A ) may be received through the second antenna 303 of 3 ).
  • Operation 713a may be described in the same manner as operation 650b of FIG. 6B .
  • the electronic device 209 may perform an RF charging operation using the received third RF signal (eg, the power 205 of FIG. 2A ).
  • the electronic device 209 may determine whether the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) satisfies a preset condition.
  • the electronic device 209 may periodically/repeatedly determine whether the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) satisfies a preset condition while performing the RF charging operation.
  • An operation in which the electronic device 209 determines whether the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) satisfies a preset condition may be described in the same manner as in operation 703a.
  • the electronic device 209 may perform operation 713a when it is determined that the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) does not satisfy a preset condition.
  • the electronic device 209 may, in operation 717a, perform a plurality of first switches Some of the switches (eg, the first switch 305 of FIG. 3 ) may be controlled. Operation 717a may be described in the same manner as operation 705a.
  • the electronic device 209 performs first antennas (eg, first antennas) corresponding to some switches among a plurality of first switches (eg, the first switch 305 of FIG. 3 ).
  • a second RF signal eg, the electromagnetic wave 215b of FIG. 2A
  • the charging operation may be performed using a third RF signal (eg, the power 205 of FIG. 2A ).
  • the electronic device 209 transmits the second RF signal (eg, the electromagnetic wave 215b of FIG.
  • the electronic device 209 includes a second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) input to the first end of the power combiner (eg, the power combiner 313 of FIG. 3 ) and the power combiner (eg, FIG. 2A )
  • a third of the power combiner eg, the power combiner 313 of FIG. 3 ) by combining a third RF signal (eg, the power 205 of FIG.
  • the electronic device 209 performs a charging operation using AC power output by combining the second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) and the third RF signal (eg, the power 205 of FIG. 2A ). can be performed.
  • the second RF signal eg, the electromagnetic wave 215b of FIG. 2A
  • the third RF signal eg, the power 205 of FIG. 2A
  • the electronic device 209 determines whether the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) satisfies a preset condition and/or external It is periodically/repeatedly determined whether the existence of the electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed, and based on the determination result, a second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) and / Alternatively, a charging operation using a third RF signal (eg, the power 205 of FIG. 2A ) may be controlled.
  • the state of the first RF signal eg, the electromagnetic wave 215a of FIG. 2A
  • a second RF signal eg, the electromagnetic wave 215b of FIG. 2A
  • a charging operation using a third RF signal eg, the power 205 of FIG. 2A
  • the electronic device 209 determines that the state of the first RF signal (eg, the electromagnetic wave 215 of FIG. 2A ) does not satisfy a preset condition while performing operation 711a. If it is determined, the connection state of all of the switches controlled in operation 705a or 717a among the plurality of first switches (eg, the first switch 305 of FIG. 3 ) is switched from the second state to the first state, and the operation is performed 713a and lower operations may be performed.
  • the state of the first RF signal eg, the electromagnetic wave 215 of FIG. 2A
  • the connection state of all of the switches controlled in operation 705a or 717a among the plurality of first switches eg, the first switch 305 of FIG. 3
  • the electronic device 209 determines that the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) does not satisfy a preset condition while performing operation 711a.
  • the state of the first RF signal eg, the electromagnetic wave 215a of FIG. 2A
  • at least one of the plurality of first switches eg, the first switch 305 of FIG. 3
  • the number of at least one switch whose connection state is switched from the second state to the first state may be determined within a range in which the state of the first RF signal (eg, the electromagnetic wave 215a in FIG. 2A ) satisfies a preset condition. have.
  • the state of the first RF signal may satisfy a preset condition as the connection state of the determined number of switches is switched from the second state to the first state.
  • the electronic device 209 sets the connection state of at least one of the plurality of first switches (eg, the first switch 305 of FIG. 3 ) to a second state, not all, among some switches controlled in operation 705a or 717a. to the first state, and a second RF signal (eg, electromagnetic wave in FIG. 2A ) received through a first antenna (eg, the first antenna 301 in FIG. 3 ) corresponding to the first switch in the second state 215b)) and a third RF signal (eg, power 205 of FIG. 2A ) received through at least one second antenna (eg, second antenna 303 of FIG. 3 ) to perform operation 711a can do.
  • a second RF signal eg, electromagnetic wave in FIG. 2A
  • Operation 703a and subsequent operations may be performed.
  • the electronic device 209 receives a third RF signal (eg, the power 205 of FIG. 2A ) from an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ).
  • wireless communication eg, BLE communication
  • the electronic device 209 determines that the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) does not satisfy a preset condition while performing operation 711a. If it is determined and it is determined that the presence of the external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is not confirmed, an initial stage (eg, a stage before operation 701a) may be entered.
  • the state of the first RF signal eg, the electromagnetic wave 215a of FIG. 2A
  • an initial stage eg, a stage before operation 701a
  • FIG. 7B is a flowchart 700b illustrating a method of operating an electronic device (eg, the electronic device 209 of FIG. 2A ) according to various embodiments of the present disclosure. The description overlapping with FIG. 7A will be omitted.
  • the electronic device 209 may determine whether the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) satisfies a preset condition. Operation 701b may be described in the same manner as operation 610a of FIG. 6A and/or operation 703a of FIG. 7A .
  • the electronic device 209 may, in operation 703b, perform a plurality of first switches Some of the switches (eg, the first switch 305 of FIG. 3 ) may be controlled. Operation 703b may be described in the same manner as operation 630a of FIG. 6A and/or operation 705a of FIG. 7A .
  • the electronic device 209 performs first antennas (eg, first antennas) corresponding to some switches among a plurality of first switches (eg, the first switch 305 of FIG. 3 ).
  • the second RF signal eg, the electromagnetic wave 215b of FIG. 2A
  • the first charging circuit eg, the first charging circuit 307 of FIG. 3
  • Operation 705b may be described in the same manner as operation 650a of FIG. 6A and/or operation 707a of FIG. 7A .
  • the electronic device 209 may determine whether the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed. Operation 707b may be described in the same manner as operation 610b of FIG. 6B and/or operation 709a of FIG. 7A . According to various embodiments, if the existence of the external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is not confirmed, the electronic device 209 may perform operation 705b.
  • an external electronic device eg, the wireless power transmitter 201 of FIG. 2A
  • the electronic device 209 when the existence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed, the electronic device 209 performs a plurality of first switches (eg, FIG. 2A ) in operation 709b.
  • a second RF signal eg, the electromagnetic wave 215b of FIG. 2A
  • first antennas eg, the first antenna 301 of FIG. 3
  • third RF signal eg, power 205 of FIG. 2A
  • Operation 709b may be described in the same manner as operation 711a of FIG. 7A .
  • the electronic device 209 may, in operation 711b, the external electronic device ( Example: It may be determined whether the presence of the wireless power transmitter 201 of FIG. 2A is confirmed. Operation 711b may be described in the same manner as operation 610b of FIG. 6B , 701a , 709a of FIG. 7A , and/or operation 707b of FIG. 7B . According to various embodiments, operation 711b may be performed regardless of the determination result (eg, no (N)) of operation 701b. According to various embodiments, when the existence of the external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is not confirmed, the electronic device 209 may perform operation 701b.
  • the external electronic device eg, the wireless power transmitter 201 of FIG. 2A
  • the electronic device 209 when the existence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed, the electronic device 209 performs at least one second antenna (eg, FIG. 2A ) in operation 713b.
  • a third RF signal (eg, the power 205 of FIG. 2A ) may be received through the second antenna 303 of 3 ).
  • Operation 713b may be described in the same manner as operation 650b of FIG. 6B and/or operation 713a of FIG. 7A .
  • the electronic device 209 may determine whether the state of the first RF signal (eg, the electromagnetic wave 215 of FIG. 2A ) satisfies a preset condition. Operation 715b may be described in the same manner as operation 703a and/or operation 715a of FIG. 7A . According to various embodiments, when it is determined that the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) does not satisfy a preset condition, the electronic device 209 may perform operation 713b.
  • the state of the first RF signal eg, the electromagnetic wave 215 of FIG. 2A
  • the electronic device 209 may, in operation 717b, perform a plurality of first switches Some of the switches (eg, the first switch 305 of FIG. 3 ) may be controlled. Operation 717b may be described in the same manner as operation 705a and/or operation 717a of FIG. 7A .
  • the electronic device 209 performs first antennas (eg, first antennas) corresponding to some switches among a plurality of first switches (eg, the first switch 305 of FIG. 3 ). : a second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) received through the first antenna 301 of FIG. 3 ) and at least one second antenna (eg, the second antenna 303 of FIG. 3 ) A charging operation may be performed using a third RF signal (eg, the power 205 of FIG. 2A ) received through .
  • first antennas eg, first antennas
  • a second RF signal eg, the electromagnetic wave 215b of FIG. 2A
  • a charging operation may be performed using a third RF signal (eg, the power 205 of FIG. 2A ) received through .
  • the electronic device 209 determines whether the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) satisfies a preset condition and/or external It is periodically/repeatedly determined whether the existence of the electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed, and based on the determination result, a second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) and / Alternatively, a charging operation using a third RF signal (eg, the power 205 of FIG. 2A ) may be controlled. Since this is the content described in FIG. 7A , a detailed description thereof will be omitted.
  • the state of the first RF signal eg, the electromagnetic wave 215a of FIG. 2A
  • a second RF signal eg, the electromagnetic wave 215b of FIG. 2A
  • a charging operation using a third RF signal eg, the power 205 of FIG. 2A
  • an operation eg, operations 701a and 711b of determining whether the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed (hereinafter, first An operation of determining whether the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) satisfies a preset condition (eg, operation 703a and operation 701b) (hereinafter, referred to as the first determination operation) (hereinafter, the second (referred to as a decision operation) may be performed together.
  • a preset condition eg, operation 703a and operation 701b
  • the second referred to as a decision operation
  • the electronic device 209 performs the first and second determination operations together, (i) it is determined that the existence of the external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is not confirmed, and the second determination operation is performed.
  • operation 705a is performed, (ii) the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) ))
  • operation 713a is performed, (iii)
  • operation 701a may be performed.
  • FIG. 8 is a flowchart 800 for explaining a method of operating an electronic device (eg, the electronic device 209 of FIG. 2A ) according to various embodiments of the present disclosure. A description that overlaps with FIGS. 6A, 6B, 7A and/or 7B will be omitted.
  • Operations 801 to 807 may be described in the same manner as operations 701a to 707a of FIG. 7A , and thus will be omitted.
  • the electronic device 209 may determine whether the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed.
  • the electronic device 209 may periodically/repeatedly check the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) while performing the RF energy harvesting operation (eg, operation 807 ).
  • the electronic device 209 may perform operation 807 .
  • the electronic device 209 if it is determined that the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed as a result of the determination in operation 801 and/or operation 809 , the electronic device 209 performs an operation In operation 811, at least one second switch (eg, the second switch 501 of FIGS. 5A to 5C ) may be controlled. Operation 811 may be described in the same manner as operation 630b of FIG. 6B . In this case, when referring together with FIG. 5B , the first end 503 of at least one second switch (eg, the second switch 501 of FIG.
  • the RF energy harvesting operation (eg, operation 807 ) may be stopped.
  • the electronic device 209 receives a third RF signal (eg, power of FIG. 2A ) through at least one second antenna (eg, the second antenna 303 of FIG. 3 ). (205)) may be received. Operation 813 may be described in the same manner as operation 650b of FIG. 6B .
  • the electronic device 209 may perform an RF charging operation using the received third RF signal (eg, the power 205 of FIG. 2A ).
  • the electronic device 209 periodically/repeatedly checks the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) while performing operation 813 , and the external electronic device Operation 813 may continue until (eg, the wireless power transmitter 201 of FIG. 2A ) is not identified.
  • an external electronic device eg, the wireless power transmitter 201 of FIG. 2A
  • the external electronic device Operation 813 may continue until (eg, the wireless power transmitter 201 of FIG. 2A ) is not identified.
  • the electronic device 209 while performing operation 813 , the electronic device 209 periodically/repeatedly checks the state (eg, the battery level) of the battery (eg, the battery 317 of FIG. 3 ), so that the battery Operation 813 may be continued until (eg, the battery 317 of FIG. 3 ) is fully charged.
  • the state eg, the battery level
  • the battery Operation 813 may be continued until (eg, the battery 317 of FIG. 3 ) is fully charged.
  • FIG. 9 is a flowchart 900 for explaining a method of operating an electronic device (eg, the electronic device 209 of FIG. 2A ) according to various embodiments of the present disclosure.
  • the electronic device 209 performs a communication circuit (eg, the communication circuit of FIG. 3 ) through a plurality of first antennas (eg, the first antenna 301 of FIG. 3 ). 311)), the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) may be checked.
  • the electronic device 209 uses a plurality of first antennas (eg, the electromagnetic wave 215a of FIG. 2A ) based on the identified state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ).
  • a plurality of switches eg, in FIG. 3 ) so that at least a portion of the second RF signal received through the first antenna 301 of FIG. 3 is transmitted to a power combiner (eg, the power combiner 313 of FIG. 3 )
  • Some switches eg, the first switch 305 of FIG. 3 ) among the first switches 305 may be controlled.
  • the electronic device 209 may determine whether the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed.
  • an external electronic device eg, the wireless power transmitter 201 of FIG. 2A
  • the electronic device 209 when it is determined that the existence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed in operation 970 , the electronic device 209 performs at least one second antenna ( Example: at least one of a third RF signal (eg, power 205 of FIG. 2A ) and a received second RF signal (eg, electromagnetic wave 215b of FIG. 2A ) received through the second antenna 303 of FIG. 3 )
  • a power combiner eg, the power combiner 313 of FIG. 3
  • the electronic device (eg, the electronic device 209 of FIG. 2A ) includes a switch (eg, the first switch 305 of FIG. 3 ) and a first antenna (eg, the first antenna of FIG. 3 ) 301 ), a second antenna (eg, the second antenna 303 of FIG. 3 ), a first charging circuit (eg, the first charging circuit 307 of FIG. 3 ), a second charging circuit (eg, FIG. 3 ) of the first charging circuit 309), a power combiner (eg, the power combiner 313 of FIG. 3), a rectifier (eg, the rectifier 315 of FIG. 3) and a communication circuit (eg, the communication circuit 311 of FIG.
  • a switch eg, the first switch 305 of FIG. 3
  • a first antenna eg, the first antenna of FIG. 3 ) 301
  • a second antenna eg, the second antenna 303 of FIG. 3
  • a first charging circuit eg, the first charging circuit 307 of FIG
  • the first end of the first charging circuit (eg, the first charging circuit 307 of FIG. 3 ) is grounded, and the first charging circuit (eg, the first charging circuit 307 of FIG. 3 ))
  • the second end of the is connected to the first end of the power combiner (eg, the power combiner 313 of FIG. 3), the first end of the second charging circuit (eg, the first charging circuit 309 of FIG. 3) is the first It is connected to two antennas (eg, the second antenna 303 of FIG. 3 ), and the second end of the second charging circuit (eg, the first charging circuit 309 of FIG. 3 ) is grounded, and the second charging circuit ( Example: The third end of the first charging circuit 309 of FIG.
  • a switch eg, the first switch 313 of FIG. 3 ) 305)
  • the first antenna eg, the first antenna 301 of FIG. 3
  • the second end of the switch eg, the first switch 305 of FIG. 3
  • the communication circuit Example: is set to be selectively connected to any one of the third end of the communication circuit 311 of FIG. 3) or the first charging circuit (eg, the first charging circuit 307 of FIG. 3), and a rectifier (eg, FIG. The first end of the rectifier 315 of 3) may be connected to the third end of the power combiner (eg, the power combiner 313 of FIG. 3 ).
  • the first charging circuit (eg, the first charging circuit 307 of FIG. 3 ) includes a first capacitor (eg, the first capacitor 403 of FIGS. 4A to 5C ) and a first inductor ( Example: including the first inductor 405 of FIGS. 4A-5C , wherein the first end of the first capacitor (eg, the first capacitor 403 of FIGS. 4A-5C ) is connected to the first inductor (eg, FIG. 4A-5C ). It is connected to the first end of the first inductor 405 of FIGS. 4A to 5C and the first end of the power combiner (eg, the power combiner 313 of FIG. 3 ), and is connected to the first end of the first inductor (eg, the power combiner 313 of FIGS. 4A to 5C ). The second end of the first inductor 405 may be grounded.
  • a first capacitor eg, the first capacitor 403 of FIGS. 4A to 5C
  • a first inductor Example: including
  • the second charging circuit (eg, the first charging circuit 309 of FIG. 3 ) may include a second capacitor (eg, the second capacitor 407 of FIGS. 4A to 5C ) and a second inductor. and a first end of a second capacitor (eg, the second capacitor 407 of FIGS. 4A to 5C ) is connected to a second antenna (eg, the second antenna 303 of FIG. 3 ), and a second capacitor
  • the second end of the second inductor (eg, the second capacitor 407 of FIGS. 4A-5C ) is the first end of the second inductor (eg, the second inductor 409 of FIGS.
  • a power combiner eg: It may be connected to the second end of the power combiner 313 of FIG. 3 , and the second end of the second inductor (eg, the second inductor 409 of FIGS. 4A to 5C ) may be grounded.
  • the rectifier may include a third capacitor (eg, the third capacitor 411 of FIGS. 4A to 5C ), a fourth capacitor (eg, FIGS. 4A to 5C ). the third capacitor 417 of 5c), a first diode (eg, the first diode 413 of FIGS. 4A-5C), and a second diode (eg, the second diode 415 of FIGS. 4A-5C).
  • a first end of the third capacitor eg, the third capacitor 417 of FIGS. 4A to 5C
  • the power combiner eg, the power combiner 313 of FIG.
  • the second diode 415 of FIGS. 4A to 5C is forwardly connected, and the first end of the fourth capacitor (eg, the fourth diode 417 of FIGS. 4A to 5C ) is connected to the second diode (eg, the fourth diode 417 of FIGS. 4A to 5C ).
  • the second diode 415 of FIGS. 4A to 5C may be connected in the reverse direction, and may be connected to the first end of the rectifier (eg, the rectifier 315 of FIG. 3 ).
  • the electronic device (eg, the electronic device 209 of FIG. 2A ) includes a plurality of switches (eg, the first switch 305 of FIG. 3 ), a power combiner (eg, the power combiner of FIG. 3 ) 313), a communication circuit (eg, the communication circuit 311 of FIG. 3), a rectifier (eg, the rectifier 315 of FIG. 3), and a control circuit (eg, the control circuit 319 of FIG. 3); , the control circuit (eg, the control circuit 319 of FIG. 3 ), a communication circuit (eg, the communication circuit 311 of FIG. 3 ) through a plurality of first antennas (eg, the first antenna 301 of FIG.
  • switches eg, the first switch 305 of FIG. 3
  • a power combiner eg, the power combiner of FIG. 3
  • a communication circuit eg, the communication circuit 311 of FIG. 3
  • a rectifier eg, the rectifier 315 of FIG. 3
  • the state of the first RF signal eg, the electromagnetic wave 215a of FIG. 2A
  • a plurality of At least a portion of the second RF signal eg, the electromagnetic wave 215b of FIG. 2A
  • the first antennas eg, the first antenna 301 of FIG. 3
  • the power combiner eg, the power of FIG. 3
  • some of the plurality of switches eg, the first switch 305 of FIG. 3
  • an external electronic device eg, the wireless power transmitter 201 of FIG.
  • a third RF signal eg, power 205 of FIG. 2A
  • a second received RF signal eg, electromagnetic wave 215b of FIG. 2A
  • a rectifier eg, power 205 of FIG. 3
  • the state of the first RF signal may include a reception sensitivity or a communication speed.
  • the control circuit determines whether the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) satisfies a preset condition and, when it is determined that the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) satisfies a preset condition, a connection state among a plurality of switches (eg, the first switch 305 of FIG. 3 ) can be set to determine which switches to switch to.
  • a connection state among a plurality of switches eg, the first switch 305 of FIG. 3
  • the control circuit determines whether the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) satisfies a preset condition and, when it is determined that the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) does not satisfy the preset condition, the state of the first RF signal (eg, the electromagnetic wave 215a of FIG. 2A ) is set in advance. It may be set to switch a connection state of at least one of some switches to satisfy a set condition.
  • the electronic device eg, the electronic device 209 of FIG. 2A
  • the electronic device is configured to perform impedance matching on at least a portion of the second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ).
  • 1 charging circuit eg, first charging circuit 307 in FIG. 3
  • a second charging circuit configured to perform impedance matching for a third RF signal (eg, power 205 in FIG. 2A ) (eg, FIG. 3 ) of the first charging circuit 309) may be further included.
  • control circuit eg, the control circuit 319 of FIG. 3
  • the control circuit may include some of the plurality of first antennas and a first charging circuit (eg, the first charging circuit 307 of FIG. 3 ). )) to be connected, it can be further set to control some switches.
  • At least one remaining antenna among the plurality of first antennas may include a plurality of switches (eg, the first switch 305 of FIG. 3 ). ) may be set to be connected to a communication circuit (eg, the communication circuit 311 of FIG. 3 ) through at least one other switch.
  • control circuit may include a communication circuit (eg, when the presence of an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) is confirmed). : Using the communication circuit 311 of FIG. 3 ), it may be further configured to perform at least one procedure for establishing a wireless communication connection with an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ). .
  • the plurality of first antennas (eg, the first antenna 301 of FIG. 3 ) includes a broadband antenna, and at least one second antenna (eg, the second antenna 303 of FIG. 3 ) )) may include a narrowband antenna.
  • a method of controlling an electronic device includes a plurality of first antennas (eg, the electronic device 209 of FIG. 2A ).
  • a first RF signal (eg, the communication circuit 311 of FIG. 3 ) received by a communication circuit (eg, the communication circuit 311 of FIG. 3 ) of the electronic device (eg, the electronic device 209 of FIG. 2A ) through the first antenna 301 of FIG. 3 )
  • a plurality of first antennas At least a portion of the second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) received through the first antenna 301 of 3) is transmitted to the power combiner (eg, the power combiner 313 of FIG. 3);
  • An operation of controlling some switches of a plurality of switches eg, the first switch 305 of FIG. 3 ) of an electronic device (eg, the electronic device 209 of FIG. 2A ), an external electronic device (eg, the electronic device 209 of FIG. 2A )
  • an electronic device eg, the electronic device 209 of FIG. 2A
  • an external electronic device eg, the electronic device 209 of FIG. 2A
  • the electronic device eg, the electronic device of FIG. 2A
  • a third RF signal eg, power 205 in FIG. 2A
  • a received second RF signal eg, the electromagnetic wave 215b of FIG. 2A
  • a rectifier eg, the rectifier 315 of FIG. 3
  • a power combiner eg, the power combiner 313 of FIG. 3
  • the state of the first RF signal may include a reception sensitivity or a communication speed.
  • a plurality of first antennas are configured.
  • An electronic device eg, the electronic device of FIG. 2A ) such that at least a portion of the second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) received through the power combiner (eg, the power combiner 313 of FIG. 3 ) is transmitted to 209) of the plurality of switches (eg, the first switch 305 of FIG. 3 ) of the operation of controlling some switches, the state of the first RF signal (eg, the electromagnetic wave 215a of FIG.
  • a plurality of switches (eg, in FIG. 3 ) It may include an operation of determining some of the switches for which the connection state is to be switched among the first switches 305).
  • a plurality of first antennas are configured.
  • An electronic device eg, the electronic device of FIG. 2A ) such that at least a portion of the second RF signal (eg, the electromagnetic wave 215b of FIG. 2A ) received through the power combiner (eg, the power combiner 313 of FIG. 3 ) is transmitted to 209) of the plurality of switches (eg, the first switch 305 of FIG. 3 ) of the operation of controlling some switches, the state of the first RF signal (eg, the electromagnetic wave 215a of FIG.
  • the first RF signal (eg, FIG. 2A ) switching the connection state of at least one of some switches so that the state of the electromagnetic wave 215a) satisfies a preset condition.
  • At least one of the plurality of first antennas may include a plurality of switches (eg, the first switch 305 of FIG. 3 ). It may be connected to a communication circuit (eg, the communication circuit 311 of FIG. 3 ) through at least one of the remaining switches.
  • Performing at least one procedure for forming a wireless communication connection with an external electronic device (eg, the wireless power transmitter 201 of FIG. 2A ) using a communication circuit (eg, the communication circuit 311 of FIG. 3 ) may further include.
  • the plurality of first antennas (eg, the first antenna 301 of FIG. 3 ) includes a broadband antenna, and at least one second antenna (eg, the second antenna 303 of FIG. 3 ) )) may include a narrowband antenna.
  • the electronic device 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.
  • a portable communication device eg, a smart phone
  • a computer device e.g., a smart phone
  • a portable multimedia device e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a wearable device e.g., a smart bracelet
  • a home appliance device e.g., a home appliance
  • first”, “second”, or “first” or “second” may simply be used to distinguish the component from other components in question, and may refer to components 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.
  • module may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as, for example, logic, logic block, component, or circuit.
  • a module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions.
  • the module may be implemented in the form of an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • Various embodiments of the present document include one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101).
  • a machine eg, electronic device 101
  • the processor eg, the processor 120
  • the device eg, the electronic device 101
  • 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.
  • 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.
  • a signal eg, electromagnetic wave
  • the method according to various embodiments disclosed in this document may be provided in a computer program product (computer program product).
  • Computer program products may be traded between sellers and buyers as commodities.
  • the computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store (eg Play Store TM ) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly, online between smartphones (eg: smartphones).
  • a part of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.
  • each component eg, a module or a program of the above-described components may include a singular or a plurality of entities.
  • 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.
  • a plurality of components eg, a module or a program
  • 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. .
  • 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.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Selon divers modes de réalisation, un dispositif électronique comprend un commutateur, une première antenne, une seconde antenne, un premier circuit de charge, un second circuit de charge, un coupleur d'alimentation, un redresseur et un circuit de communication. Une première extrémité du premier circuit de charge est mise à la terre, et une deuxième extrémité du premier circuit de charge est connectée à une première extrémité du coupleur d'alimentation. Une première extrémité du second circuit de charge est connectée à la seconde antenne, une deuxième extrémité du second circuit de charge est mise à la terre, et une troisième extrémité du second circuit de charge est connectée à une deuxième extrémité du coupleur d'alimentation. Une première extrémité du commutateur est connectée à la première antenne, et une seconde extrémité du commutateur est connectée sélectivement soit au circuit de communication, soit à une troisième extrémité du premier circuit de charge ; et une première extrémité du redresseur peut être connectée à une troisième extrémité du coupleur d'alimentation.
PCT/KR2021/000268 2020-01-09 2021-01-08 Dispositif électronique pour recevoir une énergie sans fil à l'aide d'un signal rf, et procédé de commande associé WO2021141447A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0003376 2020-01-09
KR1020200003376A KR20210090050A (ko) 2020-01-09 2020-01-09 Rf 신호를 이용하여 무선 전력을 수신하는 전자 장치 및 그 제어 방법

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WO2021141447A1 true WO2021141447A1 (fr) 2021-07-15

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Publication number Priority date Publication date Assignee Title
KR102562815B1 (ko) * 2022-09-20 2023-08-02 비전아이 주식회사 Rf 신호 변환 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060084228A (ko) * 2005-01-19 2006-07-24 삼성전자주식회사 휴대용 단말기의 고주파 유기전력 충전 장치 및 방법
KR20110021688A (ko) * 2009-08-25 2011-03-04 주식회사 네트웍텔레콤 무선 전력 수집 장치 및 방법과 그 제어 방법 및 광대역 방송 신호 수신 장치
KR20110135507A (ko) * 2010-06-11 2011-12-19 명지대학교 산학협력단 이동 단말의 배터리를 무선으로 충전하기 위한 ｒｆ 에너지 수확 시스템 및 방법
WO2016028939A1 (fr) * 2014-08-19 2016-02-25 California Institute Of Technology Transfert d'alimentation sans fil
KR20170008901A (ko) * 2015-07-14 2017-01-25 주식회사 디에스피 광대역 전자기파를 포집 및 이용하는 에너지 하베스팅 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060084228A (ko) * 2005-01-19 2006-07-24 삼성전자주식회사 휴대용 단말기의 고주파 유기전력 충전 장치 및 방법
KR20110021688A (ko) * 2009-08-25 2011-03-04 주식회사 네트웍텔레콤 무선 전력 수집 장치 및 방법과 그 제어 방법 및 광대역 방송 신호 수신 장치
KR20110135507A (ko) * 2010-06-11 2011-12-19 명지대학교 산학협력단 이동 단말의 배터리를 무선으로 충전하기 위한 ｒｆ 에너지 수확 시스템 및 방법
WO2016028939A1 (fr) * 2014-08-19 2016-02-25 California Institute Of Technology Transfert d'alimentation sans fil
KR20170008901A (ko) * 2015-07-14 2017-01-25 주식회사 디에스피 광대역 전자기파를 포집 및 이용하는 에너지 하베스팅 시스템

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