US 12,119,553 B2
Antenna device and electronic equipment
Yohei Koga, Yamato (JP); Yasumitsu Ban, Yamato (JP); and Manabu Yoshikawa, Yamato (JP)
Assigned to FCNT LLC, Yamato (JP)
Filed by FCNT LIMITED, Yamato (JP)
Filed on Dec. 6, 2022, as Appl. No. 18/075,571.
Application 18/075,571 is a continuation of application No. PCT/JP2020/022732, filed on Jun. 9, 2020.
Prior Publication US 2023/0098428 A1, Mar. 30, 2023
Int. Cl. H01Q 21/00 (2006.01); H01Q 13/08 (2006.01)
CPC H01Q 21/0075 (2013.01) [H01Q 13/085 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An antenna device comprising:
a first antenna having a length corresponding to a first frequency, and arranged along a ground;
a second antenna formed by a slot penetrating metal constituting the first antenna, and having a slot length corresponding to a second frequency higher than the first frequency;
a first feeder wire for the first frequency, connected from the ground to the first antenna;
a metal element for electromagnetic field coupling, arranged in a non-contact state relative to the second antenna, between the slot and the ground; and
a second feeder wire for the second frequency, connected from the ground to the metal element.