US 12,191,678 B2
Electronic apparatus, power supply system and power supply control method
Kentaro Taniguchi, Kawasaki Kanagawa (JP); and Toshiya Mitomo, Kawasaki Kanagawa (JP)
Assigned to KABUSHIKI KAISHA TOSHIBA, Tokyo (JP)
Filed by KABUSHIKI KAISHA TOSHIBA, Tokyo (JP)
Filed on Jun. 27, 2023, as Appl. No. 18/214,565.
Application 18/214,565 is a division of application No. 17/588,609, filed on Jan. 31, 2022, granted, now 11,728,685.
Application 17/588,609 is a division of application No. 17/015,866, filed on Sep. 9, 2020, granted, now 11,277,032, issued on Mar. 15, 2022.
Claims priority of application No. 2020-047917 (JP), filed on Mar. 18, 2020.
Prior Publication US 2023/0344277 A1, Oct. 26, 2023
Int. Cl. H02J 50/20 (2016.01); H02J 50/40 (2016.01); H02J 50/70 (2016.01); H04W 74/0808 (2024.01)
CPC H02J 50/20 (2016.02) [H02J 50/40 (2016.02); H02J 50/70 (2016.02); H04W 74/0808 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A power supply system comprising:
a first power supply apparatus configured to perform power transmission by an electromagnetic wave having a first frequency band; and
a second power supply apparatus configured to perform power transmission by an electromagnetic wave having a second frequency band,
wherein:
each of the first power supply apparatus and the second power supply apparatus is provided at a height H from a floor surface, where H is a positive number,
the first power supply apparatus and the second power supply apparatus are provided so as to be separated from each other by a distance of at least 2H×{tan (θ)}, where θ is an angle between a perpendicular downward direction from one of the first power supply apparatus and the second power supply apparatus and a first direction, and
each of the first power supply apparatus and the second power supply apparatus is configured to perform the power transmission such that a maximum value of −3 dB is transmitted in the first direction.