US 12,294,144 B2
Antenna device for vehicle
Bunpei Hara, Tomioka (JP)
Assigned to YOKOWO CO., LTD., Tokyo (JP)
Appl. No. 18/013,269
Filed by YOKOWO CO., LTD., Tokyo (JP)
PCT Filed Jul. 26, 2021, PCT No. PCT/JP2021/027479
§ 371(c)(1), (2) Date Dec. 28, 2022,
PCT Pub. No. WO2022/024966, PCT Pub. Date Feb. 3, 2022.
Claims priority of application No. 2020-126223 (JP), filed on Jul. 27, 2020.
Prior Publication US 2023/0253712 A1, Aug. 10, 2023
Int. Cl. H01Q 1/32 (2006.01); H01Q 1/42 (2006.01); H01Q 9/32 (2006.01); H01Q 21/28 (2006.01); H01Q 1/24 (2006.01)
CPC H01Q 1/3275 (2013.01) [H01Q 1/3216 (2013.01); H01Q 1/42 (2013.01); H01Q 9/32 (2013.01); H01Q 21/28 (2013.01); H01Q 1/241 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An antenna device for a vehicle, the antenna device comprising:
an antenna base;
an antenna case forming an accommodation space together with the antenna base;
a monopole antenna accommodated in the accommodation space; and
a parasitic element provided above the monopole antenna,
wherein the monopole antenna has a self-similar shape, and
wherein the monopole antenna is one of a plurality of the monopole antennas.