Power transmission apparatus

• US 10,404,326 B2
• Filed: 08/14/2018
• Issued: 09/03/2019
• Est. Priority Date: 09/04/2015
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Tanabe, Akihiro
• Primary Examiner(s): Yang, Jianxun
• Application Number:
  US16/102,977
• Publication Number:
  US 20180359002A1
• Time in Patent Office: 385 Days
• CPC Class Codes: H04B 5/72 for local intradevice communication
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer
• CPC Class Codes: H04W 4/023 using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds

Abstract

A power transmission apparatus includes a wireless power transmission unit that performs a power transmission process, a wireless communication unit that performs a data transfer process, and a control unit that determines whether or not an external apparatus entered in a predetermined range is an apparatus which has left the predetermined range during the data transfer process, and controls the power transmission process and the data transfer process based on whether the external apparatus entered in the predetermined range is the apparatus which has left the predetermined range during the data transfer process.

Claims

1. A power transmission apparatus comprising:

a wireless power transmission circuitry;

a first wireless communication circuitry;

a second wireless communication circuitry different from the first wireless communication circuitry;

a memory storing a program; and

a processor that executes the program stored in the memory,

wherein;

the second wireless communication circuitry performs a data transfer process with a first electronic device entered in a predetermined range,

the processor determines whether or not the first electronic device has moved out of the predetermined range in a case where the data transfer process is in progress,

the processor determines whether or not a second electronic device has entered in the predetermined range after the first electronic device has moved out of the predetermined range,

the processor determines whether or not the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same,

the processor determines whether or not the data transfer process is in progress in a case where the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same, and

the wireless power transmission circuitry transmits power to the second electronic device in a case where the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same and the data transfer process is not in progress.

2. The power transmission apparatus according to claim 1, further comprising a memory storing first identification information corresponding to the first electronic device moved out of the predetermined range,

wherein the first wireless communication circuitry receives second identification information corresponding to the second electronic device entered in the predetermined range, and

wherein the processor uses the first identification information and the second identification information to determine whether or not the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same.

3. The power transmission apparatus according to claim 1, wherein the wireless power transmission circuitry transmits power to the second electronic device after the data transfer process is completed, in a case where the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same and the data transfer process is in progress.

4. The power transmission apparatus according to claim 1, further comprising a display unit that notifies a user that the second electronic device is the same device as the first electronic device, in a case where the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same.

5. The power transmission apparatus according to claim 1, further comprising a display unit that notifies a user that the second electronic device is not the same device as the first electronic device, in a case where the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are not the same.

6. The power transmission apparatus according to claim 1, further comprising a device detection circuitry that includes a sensor detecting the second electronic device entered in the predetermined range.

7. The power transmission apparatus according to claim 1, wherein the first wireless communication circuitry performs a close proximity wireless communication with the second electronic device.

8. The power transmission apparatus according to claim 1, wherein the first wireless communication circuitry performs a wireless communication with the second electronic device, based on a near field communication (NFC) specification or a Bluetooth specification.

9. The power transmission apparatus according to claim 1, wherein the second wireless communication circuitry performs a wireless communication with the second electronic device, based on a wireless local area network (LAN) specification or a long term evolution (LTE) specification.

10. The power transmission apparatus according to claim 1, further comprising a matching circuitry and an antenna,

wherein the wireless power transmission circuitry transmits power to the second electronic device via the matching circuitry and the antenna.

11. The power transmission apparatus according to claim 1, wherein the wireless power transmission circuitry transmits power to the second electronic device by magnetic coupling.

12. The power transmission apparatus according to claim 1, wherein the wireless power transmission circuitry transmits power to the second electronic device by electric field coupling.

13. The power transmission apparatus according to claim 1, wherein the wireless power transmission circuitry transmits power to the second electronic device by electromagnetic induction.

14. The power transmission apparatus according to claim 1, wherein the second electronic device includes an image capture apparatus.

15. The power transmission apparatus according to claim 1, wherein the second electronic device includes a phone or a camera.

16. The power transmission apparatus according to claim 1, wherein the second electronic device includes an apparatus that performs playback of audio data or image data.

17. The power transmission apparatus according to claim 1, wherein the second electronic device includes a vehicle.

18. A method comprising:

causing a second wireless communication circuitry to perform a data transfer process with a first electronic device entered in a predetermined range, the second wireless communication circuitry being different from a first wireless communication circuitry;

determining whether or not the first electronic device has moved out of the predetermined range in a case where the data transfer process is in progress;

determining whether or not a second electronic device has entered in the predetermined range after the first electronic device has moved out of the predetermined range;

determining whether or not the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same;

determining whether or not the data transfer process is in progress in a case where the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same; and

causing a wireless power transmission circuitry to transmit power to the second electronic device in a case where the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same and the data transfer process is not in progress.

19. A non-transitory storage medium that stores a program causing a computer to execute a method, the method comprising:

causing a second wireless communication circuitry to perform a data transfer process with a first electronic device entered in a predetermined range, the second wireless communication circuitry being different from a first wireless communication circuitry;

determining whether or not the first electronic device has moved out of the predetermined range in a case where the data transfer process is in progress;

determining whether or not a second electronic device has entered in the predetermined range after the first electronic device has moved out of the predetermined range;

determining whether or not the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same;

determining whether or not the data transfer process is in progress in a case where the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same; and

causing a wireless power transmission circuitry to transmit power to the second electronic device in a case where the second electronic device entered in the predetermined range and the first electronic device moved out of the predetermined range are the same and the data transfer process is not in progress.