Dual-polarized antenna
AssigneeMurata Manufacturing Co., Ltd.
InventorsKaoru Sudo, Masayuki Nakajima
Life of this patent
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Abstract
In a multilayer substrate (2), an internal ground layer (11) is provided at a position between insulating layers (4) and (5) and a radiating element (13) is provided at a position between insulating layers (3) and (4). A first coplanar line (7) is connected to an intermediate position of the radiating element (13) in an X-axis direction, and a second coplanar line (9) is connected to an intermediate position of the radiating element (13) in a Y-axis direction. A passive element (16) is laminated on the upper surface of the radiating element (13) through the insulating layer (3). The passive element (16) is formed in a cross shape in which a first patch (16A) extending in the X-axis direction and a second patch (16B) extending in the Y-axis direction are orthogonal to each other.
Claims10
A dual-polarized antenna comprising:
- an internal ground layer;
- a radiating element laminated on an upper surface of the internal ground layer through an insulating layer;
- a passive element laminated on an upper surface of the radiating element through an insulating layer, wherein the passive element comprises a first patch and a second patch and the first patch intersects with the second patch, and
- a first feeder line for feeding power to the radiating element in a direction corresponding to the first patch and a second feeder line for feeding power to the radiating element in a direction corresponding to the second patch,
- wherein the first patch and the second patch are each formed with a substantially rectangular shape having two orthogonal sides,
- wherein the dual-polarized antenna is configured by a multilayer substrate formed in a flat plate shape with two plate sides, each extending in a X-axis direction and a Y-axis direction,
- wherein one of the two orthogonal sides of the first patch extends in the X-axis direction, and one of the two orthogonal sides of the second patch extends in the Y-axis direction, and
- wherein the passive element is integrally formed in a state where center portions of the first patch and the second patch overlap with each other.
Dependencies are inferred from the claim text.