US 12,412,977 B2
Vehicular antenna device
Kazuhiro Kowaita, Tomioka (JP); and Hiroto Ieda, Tomioka (JP)
Assigned to YOKOWO CO., LTD., Tokyo (JP)
Appl. No. 17/794,624
Filed by YOKOWO CO., LTD., Tokyo (JP)
PCT Filed Jan. 7, 2021, PCT No. PCT/JP2021/000303
§ 371(c)(1), (2) Date Jul. 22, 2022,
PCT Pub. No. WO2021/153179, PCT Pub. Date Aug. 5, 2021.
Claims priority of application No. 2020-011871 (JP), filed on Jan. 28, 2020.
Prior Publication US 2023/0066694 A1, Mar. 2, 2023
Int. Cl. H01Q 1/32 (2006.01); H01Q 5/307 (2015.01); H01Q 9/28 (2006.01); H01Q 21/24 (2006.01); H01Q 21/26 (2006.01)
CPC H01Q 1/3275 (2013.01) [H01Q 5/307 (2015.01); H01Q 9/28 (2013.01); H01Q 21/24 (2013.01); H01Q 21/26 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A vehicular antenna device comprising:
an antenna element operable in at least two or more of frequency bands including L1 band, L band, L5 band, L2 band, and L6 band and receiving circular polarization, wherein
the antenna element includes
a first element having a first feed portion, and a first element section and a second element section arranged at opposite sides of the first feed portion, and
a second element having a second feed portion, and a third element section and a fourth element section arranged at opposite sides of the second feed portion,
at least a part of the first element and at least a part of the second element face each other, and
one of the first element section and the second element section is arranged at an angle with respect to the other of the first element section and the second element section,
wherein
the first element section has a first portion and a second portion,
the second element section has a third portion and a fourth portion,
the third element section has a fifth portion and a sixth portion,
the fourth element section has a seventh portion and an eighth portion,
the first portion of the first element section and the fifth portion of the third element section face each other,
the second portion of the first element section and the seventh portion of the fourth element section face each other,
the third portion of the second element section and the sixth portion of the third element section face each other, and
the fourth portion of the second element section and the eighth portion of the fourth element section face each other.