Power receiving apparatus, control method of power receiving apparatus, and storage medium
A control unit 201 of a power receiving apparatus 200 performs a predetermined communication to a power transmitting apparatus 100 via a first communication unit 204 such that power transfer from the power transmitting apparatus 100 is continued, in a case where a control communication using the first communication unit 204 is switched to a control communication using a second communication unit 202.
1. A power receiving apparatus comprising:
a power receiving unit configured to wirelessly receive power from a power transmitting apparatus using a first antenna;
a first communication unit configured to perform control communication of wireless power transfer with the power transmitting apparatus using the first antenna;
a second communication unit configured to perform control communication of wireless power transfer with the power transmitting apparatus using a second antenna different from the first antenna; and
a control unit configured to perform, when the control communication via the first communication unit is switched to the control communication via the second communication unit, the control communication via the second communication unit and specific communication with the power transmitting apparatus via the first communication unit, the specific communication being communication for continuing power reception from the power transmitting apparatus, the power from the power transmitting apparatus being stopped when the specific communication is not transmitted before a timeout period has elapsed since the previous transmission of the specific communication.
2. The power receiving apparatus according to claim 1 , wherein
the power transmitting apparatus has a function of stopping power transmission when a packet transmitted by the first communication unit is not received for a predetermined time, and
the control unit transmits a predetermined packet to the power transmitting apparatus via the first communication unit before the predetermined time elapses.
3. The power receiving apparatus according to claim 1 , wherein
when the control communication via the second communication unit is terminated, the control unit stops the specific communication.
4. The power receiving apparatus according to claim 1 , wherein
when the control communication via the first communication unit is switched to the control communication via the second communication unit, the control unit transmits a signal, which is used in the control communication via the first communication unit, to the power transmitting apparatus via the first communication unit.
5. The power receiving apparatus according to claim 1 , further comprising
an authentication unit configured to perform device authentication with the power transmitting apparatus,
wherein based on a result of the device authentication, the control unit negotiates transmitted power with the power transmitting apparatus.
6. The power receiving apparatus according to claim 5 , wherein
when the control communication via the first communication unit is switched to the control communication via the second communication unit, the control unit performs communication for device authentication with the power transmitting apparatus via the second communication unit.
7. The power receiving apparatus according to claim 6 , wherein
after the device authentication by the authentication unit is terminated, the control communication via the second communication unit is switched to the control communication via the first communication unit.
8. The power receiving apparatus according to claim 1 , wherein
the control unit switches the control communication via the first communication unit and the control communication via the second communication unit.
9. The power receiving apparatus according to claim 1 , wherein
when the power transmitting apparatus can perform the control communication via the second communication unit, the control unit switches the control communication via the first communication unit to the control communication via the second communication unit.
10. The power receiving apparatus according to claim 9 , wherein
based on the control communication via the first communication unit, the control unit determines whether the power transmitting apparatus can perform the control communication via the second communication unit.
11. The power receiving apparatus according to claim 1 , wherein
the second communication unit corresponds to one of a standard of Bluetooth Low Energy, a standard of Near Field Communication, and a standard of Wi-Fi.
12. The power receiving apparatus according to claim 1 , wherein
the second communication unit can perform a higher-speed communication than the first communication unit.
13. A control method of a power receiving apparatus comprising a power receiving unit configured to wirelessly receive power from a power transmitting apparatus using a first antenna, a first communication unit configured to perform control communication of wireless power transfer with the power transmitting apparatus using the first antenna, a second communication unit configured to perform control communication of wireless power transfer with the power transmitting apparatus using a second antenna different from the first antenna, and a control unit, the control method of the power receiving apparatus comprising
performing, by the control unit, the control communication via the second communication unit and specific communication with the power transmitting apparatus via the first communication unit, the specific communication being communication for continuing power reception from the power transmitting apparatus, when the control communication via the first communication unit is switched to the control communication via the second communication unit, the power from the power transmitting apparatus being stopped when the specific communication is not transmitted before a timeout period has elapsed since the previous transmission of the specific communication.
14. The control method of the power receiving apparatus according to claim 13 , wherein
the power transmitting apparatus has a function of stopping power transmission when a packet transmitted by the first communication unit is not received for a predetermined time, and
in the performing, a predetermined packet is transmitted to the power transmitting apparatus via the first communication unit before the predetermined time elapses.
15. The control method of the power receiving apparatus according to claim 13 , wherein
in the performing, when the control communication via the first communication unit is switched to the control communication via the second communication unit, a signal, which is used in the control communication via the first communication unit, is transmitted to the power transmitting apparatus via the first communication unit.
16. The control method of the power receiving apparatus according to claim 13 , wherein
in the performing, when the power transmitting apparatus can perform the control communication via the second communication unit, the control communication via the first communication unit is switched to the control communication via the second communication unit.
17. A non-transitory computer readable storage medium storing a program for causing a computer to function as a power receiving apparatus comprising:
a power receiving unit configured to wirelessly receive power from a power transmitting apparatus using a first antenna;
a first communication unit configured to perform control communication of wireless power transfer with the power transmitting apparatus using the first antenna;
a second communication unit configured to perform control communication of wireless power transfer with the power transmitting apparatus using a second antenna different from the first antenna; and
a control unit configured to perform, when the control communication via the first communication unit is switched to the control communication via the second communication unit, the control communication via the second communication unit and specific communication with the power transmitting apparatus via the first communication unit, the specific communication being communication for continuing power reception from the power transmitting apparatus, the power from the power transmitting apparatus being stopped when the specific communication is not transmitted before a timeout period has elapsed since the previous transmission of the specific communication.