Electronic device and method for wireless charging in electronic device

• US 10,340,723 B2
• Filed: 08/12/2016
• Issued: 07/02/2019
• Est. Priority Date: 08/13/2015
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Jung, Woo-Jin, Park, Seung-Hyun, Lee, Jun-Hui
• Primary Examiner(s): Berhanu, Samuel
• Application Number:
  US15/235,294
• Publication Number:
  US 20170047765A1
• Time in Patent Office: 1,054 Days
• Field of Search: 320109, 320108
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence

Abstract

An electronic device comprising: a sensing circuit configured to detect information relating to a mounting state of the electronic device when the electronic device is mounted on an external device; and a control circuit operatively coupled to the sensing circuit, configured to: detect the mounting state of the electronic device based on the information; and perform a charging operation based on the mounting state of the electronic device.

Claims

1. An electronic device comprising:

a sensing circuit; and

a communication interface; and

at least one processor operatively coupled to the sensing circuit and the communication interface, configured to;

receive, from an external device, switch operation information associated with an operation of a switch included in the external device via the communication interface, wherein the switch is pressed by the electronic device when the electronic device is mounted on the external device;

identify a mounting state of the electronic device based on the switch operation information; and

perform a charging operation based on the mounting state of the electronic device.

2. The electronic device of claim 1, wherein the processor is configured to identify that the electronic device is in a normal mounting state when the switch operation information includes information indicating that the switch has been pressed.

3. The electronic device of claim 2, wherein the processor is configured to perform the charging operation by using power received from the external device when the electronic device is in the normal mounting state.

4. The electronic device of claim 1, wherein the processor is configured to identify that the electronic device is in an abnormal mounting state when the switch operation information includes information indicating that the switch has been un-pressed.

5. The electronic device of claim 4, wherein the processor is configured to transmit a charging end signal to the external device in response to detecting that the electronic device is in the abnormal mounting state.

6. The electronic device of claim 4, wherein the processor is configured to output an indication that the electronic device is in the abnormal mounting state when the electronic device is in the abnormal mounting state.

7. The electronic device of claim 4, wherein the processor is configured to limit power received from the external device in response to identifying that the electronic device is in the abnormal mounting state.

8. The electronic device of claim 4, wherein the processor is configured to identify whether the electronic device is in the abnormal mounting state during a predetermined time period.

9. The electronic device of claim 8, wherein the processor is configured to:

limit power received from the external device based on a preset current value in response to identifying that the electronic device is in the abnormal mounting state during the predetermined time period.

10. The electronic device of claim 4, wherein the processor is configured to identifying whether the electronic device remains in the abnormal mounting state for a predetermined time period.

11. The electronic device of claim 10, wherein the processor is configured to limit power received from the external device based on a preset current value in response to identifying that the electronic device remains in the abnormal mounting state for the predetermined time period.

12. A method for wireless charging of an electronic device, comprising:

receiving, from an external device, switch operation information associated with an operation of a switch included in the external device, wherein the switch is pressed by the electronic device when the electronic device is mounted on the external device;

identifying the mounting state of the electronic device based on the switch operation information; and

performing a charging operation based on the mounting state of the electronic device.

13. The method of claim 12, wherein identifying the mounting state of the electronic device comprises identifying that the electronic device is in a normal mounting state when the switch operation information includes information indicating that the switch has been pressed.

14. The method of claim 13, wherein performing the charging operation comprises performing the charging operation by using power received from the external device when the electronic device is in the normal mounting state.

15. The method of claim 12, wherein identifying the mounting state of the electronic device includes identifying that the electronic device is in an abnormal mounting state when the switch operation information includes information indicating that the switch has been un-pressed.

16. The method of claim 15, further comprising transmitting a charging end signal to the external device in response to identifying that the electronic device is in the abnormal mounting state.

17. The method of claim 15, further comprising outputting an indication that the electronic device is in the abnormal mounting state when the electronic device is in the abnormal mounting state.

18. The method of claim 15, wherein performing the charging operation comprises limiting power received from the external device based on a preset current value in response to identifying the electronic device is in the abnormal mounting state.

19. An electronic device comprising:

a housing including a recess that is arranged to accommodate at least a part of an external electronic device;

a conductive pattern disposed adjacently to a first surface of the recess that is oriented towards the external electronic device when the external electronic device is received in the recess;

a wireless charging transmission circuit that is electrically coupled to the conductive pattern;

an interface circuit that is electrically be coupled to the wireless charging transmission circuit;

a communication interface; and

at least one processor configured to;

identifying whether a switch is pressed by the external electronic device arranged on the recess including the switch; and

transmit switch operation information association with an operation of the switch on based on a result of the identification;

receive a control signal according to the switch operation information from the external electronic device and cause the wireless charging transmission circuit to charge the external electronic device based on the control signal.