APPARATUS AND METHODS FOR UTILIZING A WIRELESS CHARGER IN A WIRELESS DOCKING ENVIRONMENT

• US 20140152235A1
• Filed: 02/26/2013
• Published: 06/05/2014
• Est. Priority Date: 12/04/2012
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: HUANG, Xiaolong, RAVEENDRAN, Vijayalakshmi R.
• Granted Patent: US 9,647,481 B2
• Time in Patent Office: Days
• US Class Current: 320/107
• CPC Class Codes: G06F 1/1632 External expansion units, e.g. docking stations
• CPC Class Codes: G06F 1/266 Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
• CPC Class Codes: G06F 13/409 Mechanical coupling back panels H05K7/1438
• CPC Class Codes: H01M 10/44 Methods for charging or discharging circuits for charging H02J7/00
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• 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 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer
• CPC Class Codes: H04M 1/04 Supports for telephone transmitters or receivers
• CPC Class Codes: H04M 1/72412 using two-way short-range wireless interfaces
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

Apparatus and methods are disclosed relating to the use and performance of a wireless charger, such as one that utilizes inductive coupling between a primary coil at the charger and a secondary coil at a mobile device that lands on the charger. In particular, the wireless charger is implemented in a wireless docking environment, where the mobile device docks with a docking host. In one example, the wireless charger is integrated as a unit with the wireless docking host. In another example, the wireless charger is a peripheral in the wireless docking environment managed by the docking host.

Claims

1. A method operable at a docking host for docking a dockee with a docking environment managed by the docking host, the method comprising:

transmitting credential information from the docking host to the dockee responsive to a landing of the dockee on a wireless charger;

receiving a request from the dockee to initiate an authentication/association operation with the dockee; and

docking the dockee with the docking environment in accordance with the credential information.

2. The method of claim 1, wherein the wireless charging circuitry is configured for near-field communication, and wherein the transmitting credential information comprises utilizing the wireless charging circuitry.

3. The method of claim 1, wherein the transmitting credential information comprises utilizing one of a Bluetooth Low Energy (BTLE) communication interface or a Wi-Fi communication interface.

4. The method of claim 1, wherein the docking of the dockee with the docking environment comprises utilizing one of a Bluetooth Low Energy (BTLE) communication interface or a Wi-Fi communication interface.

5. The method of claim 1, wherein the wireless charger is integral to the docking host.

6. The method of claim 1, further comprising:

receiving a device other than the dockee on the wireless charger while the dockee remains docked with the docking environment; and

charging the device utilizing the wireless charger without docking with the device.

7. The method of claim 1, further comprising:

terminating the docking of the dockee with the docking environment responsive to an expiration of an inactivity timer indicating inactivity of a communication interface for communicating with the dockee.

8. A method operable at a dockee for docking with a docking environment managed by a docking host, the method comprising:

receiving credential information from the docking host responsive to a landing of the dockee on a wireless charger;

transmitting a request to initiate an authentication/association operation with the docking host; and

docking with the docking environment in accordance with the credential information.

9. The method of claim 8, wherein the wireless charging interface is configured for near-field communication, and wherein the receiving credential information comprises utilizing the wireless charging interface.

10. The method of claim 8, wherein the receiving credential information comprises utilizing one of a Bluetooth Low Energy (BTLE) communication interface or a Wi-Fi communication interface.

11. The method of claim 8, wherein the docking with the docking environment comprises utilizing one of a Bluetooth Low Energy (BTLE) communication interface or a Wi-Fi communication interface.

12. The method of claim 8, further comprising:

maintaining the docking with the docking environment while being removed from the wireless charger.

13. A method operable at a docking host for docking a dockee with a docking environment managed by the docking host, the method comprising:

coupling wireless charging circuitry at the docking host with the dockee upon its landing on the docking host;

transmitting, from the wireless charging circuitry at the docking host, to docking circuitry at the wireless docking host, information indicating a docking intent of the dockee; and

docking the dockee with the docking environment in accordance with the docking intent of the dockee.

14. The method of claim 13, wherein the wireless charging circuitry is part of a wireless charger that is integral to the docking host.

15. The method of claim 14, further comprising:

receiving a device other than the dockee on the wireless charger while the dockee remains docked with the docking environment; and

charging the device utilizing the wireless charger without docking with the device.

16. The method of claim 13, further comprising:

terminating the docking of the dockee with the docking environment responsive to an expiration of an inactivity timer indicating inactivity of a communication interface for communicating with the dockee.

17. A method operable at a dockee for docking with a docking environment managed by a docking host, the method comprising:

landing on the docking host, wherein the docking host comprises wireless charging circuitry; and

docking with the docking environment in accordance with a docking intent of the dockee, wherein the docking intent is signaled to the docking host by the landing on the docking host.

18. The method of claim 17, further comprising:

maintaining the docking with the docking environment while being removed from the wireless charger.

19. A method operable at a dockee for docking with a docking environment managed by a docking host, the method comprising:

landing on a wireless charger to establish a coupling with the wireless charger utilizing a wireless charging interface at the dockee;

transmitting credential information to the docking host in response to the landing on the wireless charger, over a wireless docking host interface at the dockee; and

docking with the docking environment in accordance with the credential information,

wherein the docking environment comprises the wireless charger as a peripheral.

20. The method of claim 19, wherein the wireless docking host interface comprises one of a Bluetooth Low Energy (BTLE) communication interface or a Wi-Fi communication interface.

21. The method of claim 19, further comprising:

establishing a first docking session with the docking host, prior to the landing on the wireless charger;

storing the credential information at the dockee in accordance with the first docking session; and

terminating the first docking session prior to the landing on the wireless charger.

22. A method operable at a docking host for enabling a peripheral comprising a wireless charger to wirelessly charge a dockee, the method comprising:

establishing a docking session with the dockee utilizing a wireless dockee interface at the docking host;

receiving information from the wireless charger indicating that the dockee landed on the wireless charger; and

transmitting an authorization to the wireless charger indicating that a wireless charging function is authorized.

23. The method of claim 22, wherein the wireless dockee interface is configured for Wi-Fi communication.

24. A method operable at a wireless charger for wirelessly charging a mobile device, the method comprising:

pairing with a docking host, such that the wireless charger is a peripheral in a docking environment managed by the docking host;

determining that the mobile device has landed on the wireless charger;

requesting from the docking host authorization to wirelessly charge the mobile device;

receiving the authorization from the docking host; and

enabling a wireless charging function for charging the mobile device.

25. A docking host configured for docking a dockee with a docking environment managed by the docking host, comprising:

at least one processor;

a memory communicatively coupled to the at least one processor;

wireless charging circuitry communicatively coupled to the at least one processor for wirelessly charging the dockee; and

a wireless dockee interface communicatively coupled to the at least one processor for communicating with the dockee utilizing one of a Bluetooth Low Energy (BTLE) protocol or a Wi-Fi protocol,

wherein the at least one processor is configured to;

transmit credential information to the dockee responsive to a landing of the dockee on a wireless charger;

receive a request from the dockee to initiate an authentication/association operation with the dockee; and

dock the dockee with the docking environment in accordance with the credential information.

26. The docking host of claim 25, wherein the wireless charging circuitry is configured for near-field communication, and wherein the at least one processor, being configured to transmit credential information, is further configured to utilize the wireless charging circuitry to transmit the credential information.

27. The docking host of claim 25, wherein the at least one processor is further configured to:

receive a device other than the dockee on the wireless charging circuitry while the dockee remains docked with the docking environment; and

charge the device utilizing the wireless charging circuitry without docking with the device.

28. The docking host of claim 25, wherein the at least one processor is further configured to:

terminate the docking of the dockee with the docking environment responsive to an expiration of an inactivity timer indicating inactivity of a communication interface for communicating with the dockee.

29. A dockee configured for docking with a docking environment managed by a docking host, comprising:

at least one processor;

a memory communicatively coupled to the at least one processor;

wireless charging circuitry communicatively coupled to the at least one processor for wirelessly charging the dockee; and

a communication interface communicatively coupled to the at least one processor for communicating with the docking host utilizing one of a Bluetooth Low Energy (BTLE) protocol or a Wi-Fi protocol,

wherein the at least one processor is configured to;

receive credential information from the docking host responsive to a landing of the dockee on a wireless charger;

transmit a request to initiate an authentication/association operation with the docking host; and

dock with the docking environment in accordance with the credential information.

30. The dockee of claim 29, wherein the wireless charging circuitry is configured for near-field communication, and wherein the receiving credential information comprises utilizing the wireless charging interface.

31. The dockee of claim 29, wherein the at least one processor is further configured to maintain the docking with the docking environment while being removed from the wireless charger.

32. A docking host configured for docking a dockee with a docking environment managed by the docking host, comprising:

at least one processor;

a memory communicatively coupled to the at least one processor;

wireless charging circuitry communicatively coupled to the at least one processor for wirelessly charging the dockee; and

a wireless dockee interface communicatively coupled to the at least one processor for communicating with the dockee utilizing one of a Bluetooth Low Energy (BTLE) protocol or a Wi-Fi protocol,

wherein the at least one processor is configured to;

couple the wireless charging circuitry with the dockee upon its landing on the docking host;

determine a docking intent of the dockee corresponding to the coupling of the wireless charging circuitry with the dockee; and

dock the dockee with the docking environment in accordance with the docking intent of the dockee.

33. The docking host of claim 32, wherein the at least one processor is further configured to:

receive a device other than the dockee on the wireless charging circuitry while the dockee remains docked with the docking environment; and

charge the device utilizing the wireless charger without docking with the device.

34. The docking host of claim 32, wherein the at least one processor is further configured to terminate the dock between the dockee and the docking environment responsive to an expiration of an inactivity timer indicating inactivity of a communication interface for communicating with the dockee.

35. A dockee configured for docking with a docking environment managed by a docking host, comprising:

at least one processor;

a memory communicatively coupled to the at least one processor;

wireless charging circuitry communicatively coupled to the at least one processor for wirelessly charging the dockee; and

a communication interface communicatively coupled to the at least one processor for communicating with the docking host utilizing one of a Bluetooth Low Energy (BTLE) protocol or a Wi-Fi protocol,

wherein the at least one processor is configured to;

land on the docking host, wherein the docking host comprises wireless charging circuitry; and

dock with the docking environment in accordance with a docking intent of the dockee, wherein the docking intent is signaled to the docking host by the landing on the docking host.

36. The dockee of claim 35, wherein the at least one processor is further configured to maintain the docking with the docking environment while being removed from the wireless charger.

37. A dockee configured for docking with a docking environment managed by a docking host, comprising:

at least one processor;

a memory communicatively coupled to the at least one processor;

wireless charging circuitry communicatively coupled to the at least one processor for wirelessly charging the dockee; and

a communication interface communicatively coupled to the at least one processor for communicating with the docking host utilizing one of a Bluetooth Low Energy (BTLE) protocol or a Wi-Fi protocol,

wherein the at least one processor is configured to;

land on a wireless charger to establish a coupling with the wireless charger utilizing a wireless charging interface at the dockee;

transmit credential information to the docking host in response to the landing on the wireless charger, over a wireless docking host interface at the dockee; and

dock with the docking environment in accordance with the credential information,

wherein the docking environment comprises the wireless charger as a peripheral.

38. The dockee of claim 37, wherein the at least one processor is further configured to:

establish a first docking session with the docking host, prior to the landing on the wireless charger;

store the credential information at the memory in accordance with the first docking session; and

terminate the first docking session prior to the landing on the wireless charger.

39. A docking host configured for enabling a peripheral comprising a wireless charger to wirelessly charge a dockee, comprising:

at least one processor;

a memory communicatively coupled to the at least one processor;

a communication interface communicatively coupled to the at least one processor for communicating with the wireless charger utilizing one of a Bluetooth Low Energy (BTLE) protocol or a Wi-Fi protocol,

wherein the at least one processor is configured to;

establish a docking session with the dockee;

receive information from the wireless charger indicating that the dockee landed on the wireless charger; and

transmit an authorization to the wireless charger indicating that a wireless charging function is authorized.

40. A wireless charger configured for wirelessly charging a mobile device, comprising:

at least one processor;

a memory communicatively coupled to the at least one processor;

a communication interface communicatively coupled to the at least one processor for wirelessly communicating with a docking host; and

wireless charging circuitry communicatively coupled to the at least one processor for wirelessly charging the mobile device,

wherein the at least one processor is configured to;

pair with the docking host, such that the wireless charger is a peripheral in a docking environment managed by the docking host;

determine that the mobile device has landed on the wireless charger;

request from the docking host authorization to wirelessly charge the mobile device;

receive the authorization from the docking host; and

enable a wireless charging function for charging the mobile device.

41. A docking host configured for docking a dockee with a docking environment managed by the docking host, comprising:

means for transmitting credential information from the docking host to the dockee responsive to a landing of the dockee on a wireless charger;

means for receiving a request from the dockee to initiate an authentication/association operation with the dockee; and

means for docking the dockee with the docking environment in accordance with the credential information.

42. A dockee configured for docking with a docking environment managed by a docking host, comprising:

means for receiving credential information from the docking host responsive to a landing of the dockee on a wireless charger;

means for transmitting a request to initiate an authentication/association operation with the docking host; and

means for docking with the docking environment in accordance with the credential information.

43. A docking host configured for docking a dockee with a docking environment managed by the docking host, comprising:

means for coupling wireless charging circuitry at the docking host with the dockee upon its landing on the docking host;

means for transmitting to the wireless docking host information indicating a docking intent of the dockee; and

means for docking the dockee with the docking environment in accordance with the docking intent of the dockee.

44. A dockee configured for docking with a docking environment managed by a docking host, comprising:

means for landing on the docking host, wherein the docking host comprises wireless charging circuitry; and

means for docking with the docking environment in accordance with a docking intent of the dockee, wherein the docking intent is signaled to the docking host by the landing on the docking host.

45. A dockee configured for docking with a docking environment managed by a docking host, comprising:

means for landing on a wireless charger to establish a coupling with the wireless charger utilizing a wireless charging interface at the dockee;

means for transmitting credential information to the docking host in response to the landing on the wireless charger, over a wireless docking host interface at the dockee; and

means for docking with the docking environment in accordance with the credential information,

wherein the docking environment comprises the wireless charger as a peripheral.

46. A docking host configured for enabling a peripheral comprising a wireless charger to wirelessly charge a dockee, comprising:

means for establishing a docking session with the dockee utilizing a wireless dockee interface at the docking host;

means for receiving information from the wireless charger indicating that the dockee landed on the wireless charger; and

means for transmitting an authorization to the wireless charger indicating that a wireless charging function is authorized.

47. A wireless charger configured for wirelessly charging a mobile device, comprising:

means for pairing with a docking host, such that the wireless charger is a peripheral in a docking environment managed by the docking host;

means for determining that the mobile device has landed on the wireless charger;

means for requesting from the docking host authorization to wirelessly charge the mobile device;

means for receiving the authorization from the docking host; and

means for enabling a wireless charging function for charging the mobile device.

48. A computer-readable storage medium operable at a docking host configured for docking a dockee with a docking environment managed by the docking host, comprising:

instructions for causing a computer to transmit credential information from the docking host to the dockee responsive to a landing of the dockee on a wireless charger;

instructions for causing a computer to receive a request from the dockee to initiate an authentication/association operation with the dockee; and

instructions for causing a computer to dock the dockee with the docking environment in accordance with the credential information.

49. A computer-readable storage medium operable at a dockee configured for docking with a docking environment managed by a docking host, comprising:

instructions for causing a computer to receive credential information from the docking host responsive to a landing of the dockee on a wireless charger;

instructions for causing a computer to transmit a request to initiate an authentication/association operation with the docking host; and

instructions for causing a computer to dock with the docking environment in accordance with the credential information.

50. A computer-readable storage medium operable at a docking host configured for docking a dockee with a docking environment managed by the docking host, comprising:

instructions for causing a computer to couple wireless charging circuitry at the docking host with the dockee upon its landing on the docking host;

instructions for causing a computer to transmit to the wireless docking host information indicating a docking intent of the dockee; and

instructions for causing a computer to dock the dockee with the docking environment in accordance with the docking intent of the dockee.

51. A computer-readable storage medium operable at a dockee configured for docking with a docking environment managed by a docking host, comprising:

instructions for causing a computer to dock with the docking environment in accordance with a docking intent of the dockee, wherein the docking intent is signaled to the docking host by the dockee landing on the docking host.

52. A computer-readable storage medium operable at a dockee configured for docking with a docking environment managed by a docking host, comprising:

instructions for causing a computer to land on a wireless charger to establish a coupling with the wireless charger utilizing a wireless charging interface at the dockee;

instructions for causing a computer to transmit credential information to the docking host in response to the landing on the wireless charger, over a wireless docking host interface at the dockee; and

instructions for causing a computer to dock with the docking environment in accordance with the credential information,

wherein the docking environment comprises the wireless charger as a peripheral.

53. A computer-readable storage medium operable at a docking host configured for enabling a peripheral comprising a wireless charger to wirelessly charge a dockee, comprising:

instructions for causing a computer to establish a docking session with the dockee utilizing a wireless dockee interface at the docking host;

instructions for causing a computer to receive information from the wireless charger indicating that the dockee landed on the wireless charger; and

instructions for causing a computer to transmit an authorization to the wireless charger indicating that a wireless charging function is authorized.

54. A computer-readable storage medium operable at a wireless charger configured for wirelessly charging a mobile device, comprising:

instructions for causing a computer to pair with a docking host, such that the wireless charger is a peripheral in a docking environment managed by the docking host;

instructions for causing a computer to determine that the mobile device has landed on the wireless charger;

instructions for causing a computer to request from the docking host authorization to wirelessly charge the mobile device;

instructions for causing a computer to receive the authorization from the docking host; and

instructions for causing a computer to enable a wireless charging function for charging the mobile device.