Patent ID: 11909119
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A circular polarization array antenna device, comprising:
an element group that includes a plurality of elements each configured to radiate a circularly polarized wave and arranged in a matrix of three rows and K columns, in which K is an even number of four or more, wherein
the plurality of elements include elements of four types having a positional relationship rotationally symmetric with each other, and
the elements of four types include
a first type element,
a second type element obtained by rotating the first type element by 90 degrees in a predetermined direction,
a third type element obtained by rotating the first type element by 270 degrees in the predetermined direction, and
a fourth type element obtained by rotating the first type element by 180 degrees in the predetermined direction.