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US 2026/0135283 A1Published application
Directional coupler
AssigneeFuruno Electric Co., Ltd.
InventorYoshifumi NISHITANI
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Abstract
A directional coupler of present invention includes a waveguide, a substrate, two first slits, and two second slits. The substrate is having a strip line and ground layers opposed to each other at a side surface of the waveguide. The two first slits are provided in the side surface of the waveguide along a propagation direction of an electromagnetic waves in the waveguide, and the two second slits are provided in the first ground layer of the substrate opposed to the two first slits.
Claims8
A directional coupler, comprising:
- a waveguide,
- a substrate,
- two first slits, and
- two second slits,
- wherein:
- the substrate has a strip line and ground layers opposed to each other at a side surface of the waveguide,
- the two first slits are provided in the side surface along a propagation direction of the electromagnetic waves in the waveguide, and
- the two second slits are provided in the first ground layer of the substrate opposed to the two first slits.
5 more elements
Dependencies are inferred from the claim text.