US 12,107,340 B2
Wireless communication device
Qiang Chen, Sendai (JP); Hiroyasu Sato, Sendai (JP); Osamu Kagaya, Tokyo (JP); and Toshiki Sayama, Tokyo (JP)
Assigned to AGC Inc., Tokyo (JP)
Filed by AGC Inc., Tokyo (JP)
Filed on Aug. 11, 2021, as Appl. No. 17/399,532.
Application 17/399,532 is a continuation of application No. PCT/JP2020/010637, filed on Mar. 11, 2020.
Claims priority of application No. 2019-048419 (JP), filed on Mar. 15, 2019.
Prior Publication US 2021/0376462 A1, Dec. 2, 2021
Int. Cl. H01Q 3/00 (2006.01); H01Q 3/24 (2006.01); H01Q 1/12 (2006.01); H01Q 3/22 (2006.01); H01Q 3/26 (2006.01)
CPC H01Q 3/24 (2013.01) [H01Q 3/00 (2013.01); H01Q 1/1271 (2013.01); H01Q 3/22 (2013.01); H01Q 3/26 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A wireless communication device, comprising:
a base material;
a directivity control array positioned on the base material and having a plurality of unit elements positioned in a two-dimensional pattern;
an antenna unit configured to radiate the radio wave toward the unit elements of the directivity control array;
a wiring positioned on the base material and configured to be connected to a DC power supply and to apply a DC voltage to at least one of the unit elements in the directivity control array; and
a controller comprising circuitry configured to control the DC voltage to be applied to the at least one of the unit elements in the directivity control array with one voltage application pattern set from a plurality of voltage application patterns,
wherein the base material comprises a window glass or a film configured to be attached to a window glass such that the antenna unit is positioned at the window glass or a frame comprising a sash for the window glass.