US 11,689,232 B2
Wireless transmission system and control method
Jun Morita, Tokyo (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Oct. 18, 2021, as Appl. No. 17/504,322.
Claims priority of application No. JP2020-177463 (JP), filed on Oct. 22, 2020.
Prior Publication US 2022/0131566 A1, Apr. 28, 2022
Int. Cl. H04B 1/18 (2006.01); H04B 1/58 (2006.01); H04B 1/04 (2006.01); H04B 1/16 (2006.01)
CPC H04B 1/18 (2013.01) [H04B 1/0458 (2013.01); H04B 1/1607 (2013.01); H04B 1/586 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A wireless transmission system comprising:
a first coupler including a plurality of substrates; and
a second coupler configured to transmit a signal via electric field and/or magnetic field coupling with the first coupler,
wherein each of the plurality of substrates includes a signal line and a ground, and
wherein a first substrate included in the plurality of substrates is connected to a second substrate included in the plurality of substrates by a conductor having a width substantially equal to or less than a width of the signal line.