US 12,218,442 B2
Antenna device for vehicle
Takayuki Sone, Tomioka (JP); Satoshi Iwasaki, Tomioka (JP); and Yuhei Saito, Tomioka (JP)
Assigned to YOKOWO CO., LTD., Tokyo (JP)
Appl. No. 17/909,441
Filed by YOKOWO CO., LTD., Tokyo (JP)
PCT Filed Mar. 11, 2021, PCT No. PCT/JP2021/009775
§ 371(c)(1), (2) Date Sep. 6, 2022,
PCT Pub. No. WO2021/193094, PCT Pub. Date Sep. 30, 2021.
Claims priority of application No. 2020-053910 (JP), filed on Mar. 25, 2020.
Prior Publication US 2023/0155293 A1, May 18, 2023
Int. Cl. H01Q 9/04 (2006.01); H01Q 1/32 (2006.01); H01Q 1/38 (2006.01); H01Q 1/48 (2006.01); H01Q 5/378 (2015.01); H01Q 5/392 (2015.01); H01Q 21/00 (2006.01)
CPC H01Q 9/0457 (2013.01) [H01Q 1/3275 (2013.01); H01Q 1/48 (2013.01); H01Q 9/0421 (2013.01); H01Q 21/00 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An antenna device for a vehicle, the antenna device comprising:
a first antenna element disposed on a ground and located in a first vertical plane; and
a second antenna element disposed on the ground and located in a second vertical plane,
wherein the first and second vertical planes are separated from each other in a horizontal direction relative to a front and rear of the vehicle, and
wherein at least a portion of the first antenna element and at least a portion of the second antenna element are capacitively coupled.