Method and device for enabling near field communication NFC wireless charging service

• US 10,075,027 B2
• Filed: 01/14/2014
• Issued: 09/11/2018
• Est. Priority Date: 01/14/2014
• Status: Active Grant

• Current Assignee: Huawei Device Company Limited (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Device Dongguan Co Ltd (Huawei Investment & Holding Co., Ltd.)
• Inventors: Zhao, Xiaona, Chang, Xinmiao
• Primary Examiner(s): Diao, M'Baye
• Application Number:
  US15/111,770
• Publication Number:
  US 20160336787A1
• Time in Patent Office: 1,701 Days
• Field of Search: 320106, 320108, 320103, 455 411, 455573, 307104
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge

Abstract

A method includes determining, by a first electronic device, whether a charging party is the first electronic device or a second electronic device according to charging reference information. The method also includes enabling, in response to a determination that the charging party is the first electronic device, an NFC wireless charging service of the first electronic device. The method further includes instructing, by the first electronic device, the second electronic device to enable an NFC wireless charging service in response to a determination that the charging party is the second electronic device.

Claims

1. A method comprising:

determining, by a first electronic device, whether a charging party is the first electronic device or a second electronic device according to charging reference information;

enabling, in response to a determination that the charging party is the first electronic device, a near field communication (NFC) wireless charging service of the first electronic device, to prepare to charge the second electronic device; and

instructing the second electronic device to enable an NFC wireless charging service in response to a determination that the charging party is the second electronic device, to prepare to charge the first electronic device.

2. The method according to claim 1, further comprising:

determining that the first electronic device and the second electronic device are kept within an effective distance of NFC communication; and

determining that a time in which no NFC communication occurs between the first electronic device and the second electronic device exceeds a preset time threshold.

3. The method according to claim 1, wherein the charging reference information comprises charging status information of the first electronic device and charging status information of the second electronic device, and wherein determining, by the first electronic device, whether the charging party is the first electronic device or the second electronic device comprises:

determining that the second electronic device is the charging party in response to a determination that the first electronic device is not in a state of receiving power and a determination that the second electronic device is in the state of receiving power;

or

determining that the first electronic device is the charging party in response to a determination that the first electronic device is in a state of receiving power and a determination that the second electronic device is not in the state of receiving power.

4. The method according to claim 1, wherein the charging reference information comprises output power information of the first electronic device, charging status information of the first electronic device, and charging status information of the second electronic device, and wherein determining, by the first electronic device, whether the charging party is the first electronic device or the second electronic device comprises:

determining that the first electronic device is the charging party in response to a determination that an output power value of the first electronic device is greater than or equal to a preset power threshold, a determination that the first electronic device is in a state of receiving power, and a determination that the second electronic device is not in the state of receiving power.

5. The method according to claim 1, wherein the charging reference information comprises output power information of the first electronic device and residual electric quantity information of the first electronic device, and wherein determining, by the first electronic device, whether the charging party is the first electronic device or the second electronic device comprises:

determining that the first electronic device is the charging party in response to a determination that an output power value of the first electronic device is greater than or equal to a preset power threshold and a determination that a residual electric quantity value of the first electronic device is greater than or equal to a first electric quantity threshold, wherein the first electric quantity threshold comprises a preset electric quantity threshold or an electric quantity threshold that is set by the first electronic device according to residual electric quantity information of the first electronic device and the second electronic device.

6. The method according to claim 1, wherein the charging reference information comprises output power information of the first electronic device, output power information of the second electronic device, charging status information of the first electronic device, and charging status information of the second electronic device, and wherein determining, by the first electronic device, whether the charging party is the first electronic device or the second electronic device comprises:

determining that the first electronic device is the charging party in response to a determination that an output power of the first electronic device is larger than an output power of the second electronic device, and a determination that the second electronic device is not in a state of receiving power;

or

determining that the second electronic device is the charging party in response to a determination that the output power of the second electronic device is larger than the output power of the first electronic device, and a determination that the first electronic device is not in a state of receiving power.

7. The method according to claim 6, wherein determining that the output power of the first electronic device is larger than the output power of the second electronic device comprises:

determining that an output power level of the first electronic device is higher than an output power level of the second electronic device;

or

when an absolute difference between an output power value of the first electronic device and an output power value of the second electronic device is greater than or equal to a preset power difference threshold, determining that the output power value of the first electronic device is larger than the output power value of the second electronic device.

8. The method according to claim 1, wherein the charging reference information comprises output power information of the first electronic device, output power information of the second electronic device, residual electric quantity information of the first electronic device, and residual electric quantity information of the second electronic device, and

wherein determining, by the first electronic device, whether the charging party is the first electronic device or the second electronic device comprises:

determining that the first electronic device is the charging party in response to a determination that an output power of the first electronic device is larger than an output power of the second electronic device, and a determination that a residual electric quantity value of the first electronic device is greater than or equal to a first electric quantity threshold;

or

determining that the second electronic device is the charging party in response to a determination that the output power of the second electronic device is larger than the output power of the first electronic device, and a determination that a residual electric quantity value of the second electronic device is greater than or equal to a second electric quantity threshold, wherein the first electric quantity threshold comprises a preset electric quantity threshold or an electric quantity threshold that is set by the first electronic device according to residual electric quantity information of the first electronic device and the second electronic device, and wherein the second electric quantity threshold comprises a preset electric quantity threshold or an electric quantity threshold that is set by the first electronic device according to residual electric quantity information of the first electronic device and the second electronic device.

9. The method according to claim 1, wherein the charging reference information comprises charging status information of the first electronic device, charging status information of the second electronic device, output power information of the first electronic device, output power information of the second electronic device, and at least one of residual electric quantity information of the first electronic device or residual electric quantity information of the second electronic device, and wherein determining, by the first electronic device, whether the charging party is the first electronic device or the second electronic device comprises:

determining that the first electronic device is the charging party in response to a determination that neither the first electronic device nor the second electronic device is in a state of receiving power, a determination that an output power of the first electronic device is larger than an output power of the second electronic device, and a determination that a residual electric quantity value of the first electronic device is greater than or equal to a first electric quantity threshold;

determining that the first electronic device is the charging party in response to a determination that the first electronic device, and not the second electronic device, is in a state of receiving power and a determination that the output power of the first electronic device is larger than the output power of the second electronic device;

determining that the second electronic device is the charging party in response to a determination that neither the first electronic device nor the second electronic device is in a state of receiving power, a determination that the output power of the second electronic device larger than the output power of the first electronic device, and a determination that a residual electric quantity value of the second electronic device is greater than or equal to a second electric quantity threshold;

or

determining that the second electronic device is the charging party in response to a determination that the second electronic device, and not the first electronic device, is in a state of receiving power and a determination that the output power of the second electronic device is larger than the output power of the first electronic device,

wherein the first electric quantity threshold comprises a preset electric quantity threshold or an electric quantity threshold that is set by the first electronic device according to residual electric quantity information of the first electronic device and the second electronic device, and wherein the second electric quantity threshold comprises a preset electric quantity threshold or an electric quantity threshold that is set by the first electronic device according to residual electric quantity information of the first electronic device and the second electronic device.

10. A first electronic device, comprising:

a processor;

a near field communication (NFC) wireless charging controller;

a transceiver; and

a non-transitory computer-readable storage medium storing a program to be executed by the processor, the program including instructions for;

determining whether the first electronic device is a charging party or a second electronic device is a charging party according to charging reference information;

controlling the NFC wireless charging controller to enable an NFC wireless charging service in response to a determination that the first electronic device is the charging party, to prepare to charge the second electronic device; and

controlling a transceiver to send a notification to the second electronic device in response to a determination that the second electronic device is the charging party,

wherein the NFC wireless charging controller is configured to enable the NFC wireless charging service according to control of the processor, to prepare to charge the second electronic device, and

wherein the transceiver is configured to send the notification to the second electronic device according to control of the processor, so that the second electronic device enables an NFC wireless charging service of the second electronic device according to the notification and prepares to charge the first electronic device.

11. The first electronic device according to claim 10, wherein the program further includes instructions for determining that the first electronic device and the second electronic device are kept within an effective distance of NFC communication and a time in which no NFC communication occurs between the first electronic device and the second electronic device exceeds a preset time threshold.

12. The first electronic device according to claim 10, wherein the charging reference information comprises charging status information of the first electronic device and charging status information of the second electronic device, and wherein the program includes instructions for:

determining that the second electronic device is the charging party in response to a determination that the first electronic device is not in a state of receiving power and a determination that the second electronic device is in the state of receiving power;

or

determining that the first electronic device is the charging party in response to a determination that the first electronic device is in a state of receiving power and a determination that the second electronic device is not in the state of receiving power.

13. The first electronic device according to claim 10, wherein the charging reference information comprises output power information of the first electronic device, charging status information of the first electronic device, and charging status information of the second electronic device, and wherein the program includes instructions for:

determining that the first electronic device is the charging party in response to a determination that an output power value of the first electronic device is greater than or equal to a preset power threshold, a determination that the first electronic device is in a state of receiving power, and a determination that the second electronic device is not in the state of receiving power.

14. The first electronic device according to claim 10, wherein the charging reference information comprises output power information of the first electronic device and residual electric quantity information of the first electronic device, and wherein the program includes instructions for:

determining that the first electronic device is the charging party in response to a determination that an output power value of the first electronic device is greater than or equal to a preset power threshold, and a determination that a residual electric quantity value of the first electronic device is greater than or equal to a first electric quantity threshold,

wherein the first electric quantity threshold comprises a preset electric quantity threshold or an electric quantity threshold that is set by the first electronic device according to residual electric quantity information of the first electronic device and the second electronic device.

15. The first electronic device according to claim 10, wherein the charging reference information comprises output power information of the first electronic device, output power information of the second electronic device, charging status information of the first electronic device, and charging status information of the second electronic device, and wherein the program includes instructions for:

determining that the first electronic device is the charging party in response to a determination that an output power of the first electronic device is larger than an output power of the second electronic device, and a determination that the second electronic device is not in a state of receiving power;

or

determining that the second electronic device is the charging party in response to a determination that the output power of the second electronic device is larger than the output power of the first electronic device, and a determination that the first electronic device is not in a state of receiving power.

16. The first electronic device according to claim 10, wherein the charging reference information comprises output power information of the first electronic device, output power information of the second electronic device, residual electric quantity information of the first electronic device, and residual electric quantity information of the second electronic device, and wherein the program includes instructions for:

determining that the first electronic device is the charging party in response to a determination that an output power of the first electronic device is larger than an output power of the second electronic device, and a determination that a residual electric quantity value of the first electronic device is greater than or equal to a first electric quantity threshold;

or

determining that the second electronic device is the charging party in response to a determination that the output power of the second electronic device is larger than the output power of the first electronic device, and a determination that a residual electric quantity value of the second electronic device is greater than or equal to a second electric quantity threshold,

wherein the first electric quantity threshold comprises a preset electric quantity threshold, or an electric quantity threshold that is set by the first electronic device according to residual electric quantity information of the first electronic device and the second electronic device, and wherein the second electric quantity threshold comprises a preset electric quantity threshold, or an electric quantity threshold that is set by the first electronic device according to residual electric quantity information of the first electronic device and the second electronic device.

17. The first electronic device according to claim 10, wherein the charging reference information comprises charging status information of the first electronic device, charging status information of the second electronic device, output power information of the first electronic device, output power information of the second electronic device, and at least one of residual electric quantity information of the first electronic device or residual electric quantity information of the second electronic device, and wherein the program includes instructions for:

determining that the first electronic device is the charging party in response to a determination that neither the first electronic device nor the second electronic device is in a state of receiving power, a determination that an output power of the first electronic device is larger than an output power of the second electronic device, and a determination that a residual electric quantity value of the first electronic device is greater than or equal to a first electric quantity threshold;

determining that the first electronic device is the charging party in response to a determination that the first electronic device, and not the second electronic device, is in a state of receiving power, and a determination that the output power of the first electronic device is larger than the output power of the second electronic device;

determining that the second electronic device is the charging party in response to a determination that neither the first electronic device nor the second electronic device is in a state of receiving power, a determination that the output power of the second electronic device is larger than the output power of the first electronic device, and a determination that a residual electric quantity value of the second electronic device is greater than or equal to a second electric quantity threshold;

or

determining that the second electronic device is the charging party in response to a determination that the second electronic device, and not the first electronic device, is in a state of receiving power, and a determination that the output power of the second electronic device is larger than the output power of the first electronic device,

wherein the first electric quantity threshold comprises a preset electric quantity threshold or an electric quantity threshold that is set by the first electronic device according to residual electric quantity information of the first electronic device and the second electronic device, and wherein the second electric quantity threshold comprises a preset electric quantity threshold or an electric quantity threshold that is set by the first electronic device according to residual electric quantity information of the first electronic device and the second electronic device.

18. A second electronic device, comprising:

a transceiver configured to receive a notification sent by a first electronic device in response to the first electronic device determining that the second electronic device is a charging party;

a near field communications (NFC) wireless charging controller; and

a processor configured to control the NFC wireless charging controller according to the notification received by the transceiver, to enable an NFC wireless charging service of the second electronic device, wherein the NFC wireless charging controller is configured to enable the NFC wireless charging service according to control of the processor, to prepare to charge the first electronic device, wherein the transceiver is configured to receive a charging control message sent by the first electronic device in response to the first electronic device determining that the first electronic device is a charging party, and wherein the processor is configured to instruct, according to the charging control message received by the transceiver, the second electronic device to respond as a charged party.

19. The second electronic device according to claim 18, wherein the transceiver is further configured to:

send, before the notification is received, at least one piece of charging status information of the second electronic device, output power information of the second electronic device, and residual electric quantity information of the second electronic device to the first electronic device;

or receive, before the notification is received, a request message of the first electronic device, and send at least one piece of charging status information of the second electronic device, output power information of the second electronic device, and residual electric quantity information of the second electronic device to the first electronic device according to the request message of the first electronic device, and wherein the transceiver is further configured to;

send, before the charging control message is received, at least one piece of charging status information of the second electronic device, output power information of the second electronic device and residual electric quantity information of the second electronic device to the first electronic device;

or receive, before the charging control message is received, a request message of the first electronic device, and send at least one piece of charging status information of the second electronic device, output power information of the second electronic device, and residual electric quantity information of the second electronic device to the first electronic device according to the request message of the first electronic device.

20. The second electronic device according to claim 19, wherein the processor is further configured to determine that the second electronic device and the first electronic device are kept within an effective distance of NFC communication, and a time in which no NFC communication occurs between the first electronic device and the second electronic device exceeds a preset time threshold.