US 12,424,880 B2
Power transmitting apparatus, control method for power transmitting apparatus, and storage medium
Hajime Shimura, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Dec. 9, 2022, as Appl. No. 18/064,003.
Application 18/064,003 is a continuation of application No. PCT/JP2021/014896, filed on Apr. 8, 2021.
Claims priority of application No. 2020-110818 (JP), filed on Jun. 26, 2020.
Prior Publication US 2023/0122918 A1, Apr. 20, 2023
Int. Cl. H02J 50/60 (2016.01); H02J 50/40 (2016.01); H02J 50/80 (2016.01)
CPC H02J 50/60 (2016.02) [H02J 50/40 (2016.02); H02J 50/80 (2016.02)] 6 Claims
OG exemplary drawing
 
1. A power transmitting apparatus comprising:
a plurality of coils; and
a unit configured to:
wirelessly transmit a message and a plurality of Pings;
obtain identification information from one or more power receiving apparatuses;
determine whether there are a plurality of power receiving apparatuses based on the obtained identification information;
select coils corresponding respectively to the plurality of power receiving apparatuses in a case where there are the plurality of power receiving apparatuses;
wirelessly perform power transfer to a first power receiving apparatus in the plurality of power receiving apparatuses via a first coil corresponding to the first power receiving apparatus and wirelessly perform power transfer to a second power receiving apparatus in the plurality of power receiving apparatuses via a second coil corresponding to the second power receiving apparatus, wherein the first coil and the second coil are included in the plurality of coils;
transfer power to a first power receiving apparatus among the plurality of power receiving apparatuses, transmit, from all of the coils, a message for controlling non-target power receiving apparatuses so that they are not powered, then switch to the first coil corresponding to the first power receiving apparatus so that power transfer to the first power receiving apparatus becomes available, and wirelessly transfer power to the first power receiving apparatus via the first coil; and
during power transfer to the first power receiving apparatus via the first coil, execute foreign object detection processing on the basis of reception power information received from the first power receiving apparatus.