Patent ID: 11929555
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A circular polarization array antenna device, comprising:
a mounting substrate;
a first plurality of antenna elements arranged in a matrix of N rows and M columns in proximity to a first end of the mounting substrate, where N is an odd number of three or more and M is an odd number of one or more, and
a second plurality of antenna elements arranged in a matrix of N rows and M columns in proximity to a second end of the mounting substrate, wherein
the first and second plurality of elements include a plurality of types of elements having a positional relationship rotationally symmetric with each other, and
a first center element disposed at a center of the first plurality of antenna elements is an element of a type obtained by rotating a second center element disposed at a center of the second plurality of antenna elements group by 180 degrees.