Electronic device and method for controlling multi-wireless charging

Patent metadata

Field	Value
Publication number	US-11196304-B2
Application number	US-201916564086-A
Country	US
Kind code	B2
Filing date	Sep 9, 2019
Priority date	Sep 19, 2018
Publication date	Dec 7, 2021
Grant date	Dec 7, 2021

Abstract

According to certain embodiments, an electronic device comprises a plurality of coils configured to transmit charging power; a communication circuit; at least one processor; and at least one memory. The at least one memory stores instructions that, when executed by the at least one processor, causes the at least one processor to perform a plurality of operations. The plurality of operations comprises transmitting a first signal for requesting device-related information to a plurality of external electronic devices through the communication circuit, receiving a corresponding plurality of first response signals in response to the first signal from the plurality of external electronic devices through the communication circuit, selecting at least one external electronic device from among the plurality of external electronic devices on the basis of the plurality of first response signals, and upon selecting the at least one selected external electronic device, transmitting a second signal that indicates the at least one selected external electronic device and comprises at least information associated with the plurality of external electronic devices to the plurality of external electronic devices via the communication circuit.

First claim

What is claimed is:

1. An electronic device comprising:
a plurality of coils configured to transmit charging power;
a communication circuit;
at least one processor; and
at least one memory, wherein the at least one memory stores instructions that, when executed by the at least one processor, causes the at least one processor to perform a plurality of operations comprising:
transmitting a first signal for requesting device-related information to a plurality of external electronic devices through the communication circuit,
receiving a corresponding plurality of first response signals in response to the first signal from the plurality of external electronic devices through the communication circuit,
selecting at least one external electronic device from among the plurality of external electronic devices on the basis of the plurality of first response signals, and
upon selecting the at least one selected external electronic device, transmitting a second signal that indicates the at least one selected external electronic device and comprises at least information associated with the plurality of external electronic devices to the plurality of external electronic devices via the communication circuit.

2. The electronic device of claim 1 , wherein the device-related information comprises device identification information or device state information,
the device identification information comprises at least one of a device type, a device name, or an MAC address, and
the device state information comprises at least one of a display characteristic, a battery characteristic, a charging state, or a user configuration.

3. The electronic device of claim 1 , wherein the plurality of operations further comprise providing at least one of Bluetooth Low Energy (BLE) communication, wireless charging protocol communication, Bluetooth (BT) communication, Wi-Fi communication, or Near-Field Communication (NFC).

4. The electronic device of claim 1 , wherein the plurality of operations further comprise transmitting the first signal and the second signal in a broadcasting manner.

5. The electronic device of claim 1 , wherein the plurality of operations further comprise:
transmitting the first signal upon transmitting charging power to a new external electronic device while transmitting charging power to at least one external electronic device through the plurality of coils, or
transmitting the first signal according to a preset period while transmitting charging power to the plurality of external electronic devices through the plurality of coils.

6. The electronic device of claim 1 , wherein the plurality of operations further comprise:
identifying a number of the plurality of external electronic devices upon transmitting charging power to the plurality of external electronic devices, and
when the number of first response signals corresponding to the identified number is receive, selecting the at least one external electronic device from among the plurality of external electronic devices on the basis of information comprised in a plurality of received first response signals, or
selecting the at least one external electronic device from among the plurality of external electronic devices on the basis of information comprised in at least one first response signal received during a preset time from transmission of the first signal.

7. The electronic device of claim 1 , wherein the plurality of operations further comprise selecting the at least one external electronic device from among the plurality of external electronic devices on the basis of information comprised in the plurality of received first response signals, on the basis of the information comprised in the plurality of received first response signals and information previously stored in the memory, or on the basis of the information comprised in the plurality of received first response signals and information obtained in relation to power transmission through the plurality of coils.

8. The electronic device of claim 1 , wherein the plurality of operations further comprise:
transmitting the second signal upon selecting the at least one external electronic device from among the plurality of external electronic devices,
transmitting the second signal upon selecting a new external electronic device with the at least one external electronic device selected, or
transmitting the second signal according to a preset period while maintaining the least one selected external electronic device.

9. The electronic device of claim 1 , wherein the second signal comprises an indication to perform a designated operation on the basis of selection of the at least one external device.

10. The electronic device of claim 9 , wherein the indication to perform the designated operation comprises at least one of an indication of instructing the at least one selected external electronic device to display device state information, an indication that the at least one selected external electronic device is capable of displaying the device state information, an indication about a priority of the at least one selected external electronic device in displaying the device state information, an indication of instructing the at least one selected external electronic device to perform an operation associated with a device configuration, an indication of instructing the at least one selected external electronic device to perform an operation associated with registered user information, or an indication of instructing the plurality of external electronic devices to perform an operation associated with a display of the device state information on the basis of the information comprised in the second signal.

11. The electronic device of claim 1 , wherein plurality of operations further comprise:
receiving information associated with a designated operation from at least one unselected external electronic device among the plurality of external electronic devices through the communication circuit in response to the second signal, and
transmitting the information associated with the designated operation to the at least one selected external electronic device upon receiving the information.

12. The electronic device of claim 11 , wherein the plurality of operations further comprise:
receiving a second response signal for requesting the information associated with the designated operation from the at least one selected external electronic device through the communication circuit in response to the second signal, and
transmitting the information associated with the designated operation to the at least one selected external electronic device upon receiving the second response signal.

13. The electronic device of claim 1 , wherein the plurality of operations further comprise:
establishing a communication connection with at least one external electronic device responding to the first signal through the communication circuit, and
communicating information using the communication connection.

14. An electronic device comprising:
at least one coil configured to receive charging power;
a communication circuit;
at least one processor; and
at least one memory, wherein the at least one memory stores instructions that, when executed by the at least one processor, causes the at least one processor to perform a plurality of operations comprising:
transmitting a first response signal in response to a first signal to a first external electronic device upon receiving the first signal for requesting device-related information from the first external electronic device comprising a plurality of coils through the communication circuit,
receiving a

Assignees

• Samsung Electronics Co Ltd

Inventors

• Lee Jangwoo
• Kim Taeseon
• Wang Taeho
• Jang Soonkyu
• Jin Sunmi
• Ha Jihoon

Classifications

• H02J50/40

  using two or more transmitting or receiving devices (H02J50/50 takes precedence) · CPC title

• H02J50/402

  the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas · CPC title

• H02J50/80 Primary

  involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices · CPC title

• H02J7/90

  Regulation of charging or discharging current or voltage · CPC title

• H02J50/10

  using inductive coupling · CPC title