US 12,244,072 B2
Antenna device and communication device
Hideki Ueda, Nagaokakyo (JP); Yasuhisa Yamamoto, Nagaokakyo (JP); Masashi Omuro, Nagaokakyo (JP); Kazunari Kawahata, Nagaokakyo (JP); Satoshi Tanaka, Nagaokakyo (JP); and Ryuken Mizunuma, Nagaokakyo (JP)
Assigned to GLORY LTD., Himeji (JP)
Filed by Murata Manufacturing Co., Ltd., Nagaokakyo (JP)
Filed on Feb. 16, 2022, as Appl. No. 17/672,696.
Application 17/672,696 is a continuation of application No. PCT/JP2020/026726, filed on Jul. 8, 2020.
Claims priority of application No. 2019-149900 (JP), filed on Aug. 19, 2019.
Prior Publication US 2022/0173530 A1, Jun. 2, 2022
Int. Cl. H01Q 21/30 (2006.01); H01Q 13/08 (2006.01); H01Q 21/06 (2006.01); H01Q 21/24 (2006.01)
CPC H01Q 21/30 (2013.01) [H01Q 13/08 (2013.01); H01Q 21/065 (2013.01); H01Q 21/24 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An antenna device, comprising:
a substrate including a planar first region and a planar second region;
at least one first radiating element, arranged in the first region of the substrate, configured to perform at least one of transmission and reception of a radio wave of a first frequency; and
a plurality of second radiating elements arranged in a matrix in the second region of the substrate, the plurality of second radiating elements configured to perform at least one of transmission and reception of a radio wave of a second frequency higher than the first frequency, wherein
the plurality of second radiating elements includes a first part and a second part,
the first part of the plurality of second radiating elements configures a first array antenna for transmission,
the second part of the plurality of second radiating elements configures a second array antenna for reception,
a separation direction is a direction of a straight line connecting a first geometric center position of the at least one first radiating element and a second geometric center position of the plurality of second radiating elements, and
in a case that the second region is viewed along a normal direction of the second region, an angle formed by the separation direction and a direction connecting the second geometric center position and a feeding point of the plurality of second radiating elements is equal to or greater than 45° and equal to or less than 90°.