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Patent Searching and Data


Title:
ARRAY ANTENNA
Document Type and Number:
Japanese Patent JP2023102306
Kind Code:
A
Abstract:
To suppress the occurrence of a grating lobe in an array antenna.SOLUTION: An array antenna 1 includes at least four sub-arrays 11 each including a plurality of radiation elements 111. Each center position of the four sub-arrays 11 is arranged at four vertexes of a square S. A direction of a straight line connecting each of the plurality of radiation elements 111 and the other radiation element 111 that is nearest to each of the plurality of radiation elements 111 is different from direction of four sides of the square S.SELECTED DRAWING: Figure 1

Inventors:
SATO TAKURO
NISHI SEIJI
Application Number:
JP2022002672A
Publication Date:
July 25, 2023
Filing Date:
January 12, 2022
Export Citation:
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Assignee:
UNIV WASEDA
International Classes:
H01Q21/06
Attorney, Agent or Firm:
Michihiro Izumi
Kyosuke Kutsune
Kensuke Terakawa