US 12,244,057 B2
Antenna device
Takayuki Imagawa, Kanagawa (JP); Masato Tsuchiya, Kanagawa (JP); Shinya Yamamoto, Osaka (JP); Jou Hashime, Osaka (JP); and Tomoyuki Kuge, Osaka (JP)
Assigned to NEC Platforms, Ltd., Kawasaki (JP)
Appl. No. 17/793,758
Filed by NEC Platforms, Ltd., Kawasaki (JP)
PCT Filed Dec. 25, 2020, PCT No. PCT/JP2020/048808
§ 371(c)(1), (2) Date Jul. 19, 2022,
PCT Pub. No. WO2021/149456, PCT Pub. Date Jul. 29, 2021.
Claims priority of application No. 2020-007197 (JP), filed on Jan. 21, 2020.
Prior Publication US 2023/0089202 A1, Mar. 23, 2023
Int. Cl. H01Q 1/27 (2006.01); H01Q 1/12 (2006.01)
CPC H01Q 1/27 (2013.01) [H01Q 1/12 (2013.01)] 4 Claims
OG exemplary drawing
 
1. An antenna device mounted in a vehicle, the antenna device comprising:
a communication unit including a housing, the communication unit configured to wirelessly communicate with an outside of the vehicle;
a metal bracket configured to serve also as an extended antenna, the metal bracket includes a first part and a second part;
a mold resin part placed between the first part and the housing; and
an instrument panel of the vehicle, wherein
the communication unit further includes a substrate accommodated in the housing and on which a pattern antenna is formed,
the first part is fixed to the housing and the second part is fixed to the instrument panel, and
the first part and the pattern antenna are opposite to each other with part of the housing and the mold resin part interposed therebetween so that the metal bracket and at least part of the pattern antenna are spatially coupled through the mold resin part, and
the mold resin part is part of the instrument panel.