Method and Device for Enabling Near Field Communication NFC Wireless Charging Service

• US 20160336787A1
• Filed: 01/14/2014
• Published: 11/17/2016
• Est. Priority Date: 01/14/2014
• Status: Active Grant

• Current Assignee: Huawei Device Company Limited (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Device Company Limited (Huawei Investment & Holding Co., Ltd.)
• Inventors: Zhao, Xiaona, Chang, Xinmiao
• Granted Patent: US 10,075,027 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• 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

1-36. -36. (canceled)

37. 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, so as 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, so as to prepare to charge the first electronic device.

38. The method according to claim 37, further comprising:

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 both electronic devices exceeds a preset time threshold.

39. The method according to claim 37, 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.

40. The method according to claim 37, 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.

41. The method according to claim 37, 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 both electronic devices.

42. The method according to claim 37, 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 the first electronic device is an electronic device whose output power is larger 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 second electronic device is an electronic device whose output power is larger and a determination that the first electronic device is not in a state of receiving power.

43. The method according to claim 37, 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 the first electronic device is an electronic device whose output power is larger 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 second electronic device is an electronic device whose output power is larger 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 and second electronic devices, 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 and second electronic devices.

44. The method according to claim 37, 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 the first electronic device is an electronic device whose output power is larger, 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 first electronic device is an electronic device whose output power is larger;

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 second electronic device is an electronic device whose output power is larger, 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 second electronic device is an electronic device whose output power is larger,

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 both electronic devices, 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 both electronic devices.

45. The method according to claim 42, wherein the electronic device whose output power is larger comprises at least one of an electronic device whose output power level is higher or an electronic device whose output power value is larger when an absolute value of a difference between output power values of the both electronic devices is greater than or equal to a preset power difference threshold.

46. An electronic device, comprising:

a processor;

a near field communication (NFC) wireless charging controller;

a transceiver; and

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

determining whether the 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 electronic device is the charging party, so as to prepare to charge the second electronic device;

or

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, so as 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 electronic device.

47. The electronic device according to claim 46, wherein the program further includes instructions for determining that the 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 both electronic devices exceeds a preset time threshold.

48. The electronic device according to claim 46, wherein the charging reference information comprises charging status information of the 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 electronic device is the charging party in response to a determination that the 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.

49. The electronic device according to claim 46, wherein the charging reference information comprises output power information of the electronic device, charging status information of the electronic device, and charging status information of the second electronic device, and wherein the program includes instructions for:

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

50. The electronic device according to claim 46, wherein the charging reference information comprises output power information of the electronic device and residual electric quantity information of the electronic device, and wherein the program includes instructions for:

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

51. The electronic device according to claim 46, wherein the charging reference information comprises output power information of the electronic device, output power information of the second electronic device, charging status information of the electronic device, and charging status information of the second electronic device, and wherein the program includes instructions for:

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

52. The electronic device according to claim 46, wherein the charging reference information comprises output power information of the electronic device, output power information of the second electronic device, residual electric quantity information of the electronic device, and residual electric quantity information of the second electronic device, and wherein the program includes instructions for:

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

53. The electronic device according to claim 46, wherein the charging reference information comprises charging status information of the electronic device, charging status information of the second electronic device, output power information of the electronic device, output power information of the second electronic device, and at least one of residual electric quantity information of the electronic device or residual electric quantity information of the second electronic device, and wherein the program includes instructions for:

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

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

determining that the second electronic device is the charging party in response to a determination that neither the electronic device nor the second electronic device is in a state of receiving power, a determination that the second electronic device is an electronic device whose output power is larger, 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 electronic device, is in a state of receiving power, and a determination that the second electronic device is an electronic device whose output power is larger,

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

54. An 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 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, so as to enable an NFC wireless charging service of the electronic device, wherein the NFC wireless charging controller is configured to enable the NFC wireless charging service according to control of the processor, so as 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 electronic device to respond as a charged party.

55. The electronic device according to claim 54, wherein the transceiver is further configured to:

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

56. The electronic device according to claim 55, wherein the processor is further configured to determine that the 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 both electronic devices exceeds a preset time threshold.