ANTENNA DEVICE AND RADAR

To provide an antenna device that can improve the directionality of radio waves.SOLUTION: An antenna device includes a dielectric substrate, a plurality of patch antennas formed on a first main surface of the dielectric substrate and arranged and connected in series in a first direction among first...

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1. Verfasser:	IIO KENICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	To provide an antenna device that can improve the directionality of radio waves.SOLUTION: An antenna device includes a dielectric substrate, a plurality of patch antennas formed on a first main surface of the dielectric substrate and arranged and connected in series in a first direction among first and second directions perpendicular to each other along the first main surface, and a horn member fixed on the first main surface of the dielectric substrate and having a horn hole formed therein that surrounds the plurality of patch antennas when viewed in the normal direction to the first main surface, and at least the wall surface of the horn hole is formed of a conductor.SELECTED DRAWING: Figure 2 【課題】電波の指向性の向上を図ることが可能なアンテナ装置を提供する。【解決手段】アンテナ装置は、誘電体基板と、誘電体基板の第１主表面上に形成され、第１主表面に沿った互いに直交する第１及び第２方向のうち、第１方向に配列され、直列に接続された複数のパッチアンテナと、誘電体基板の第１主表面上に固定され、第１主表面の法線方向に見たときに複数のパッチアンテナを囲むホーン穴が形成され、少なくともホーン穴の壁面が導体で形成されたホーン部材と、を備える。【選択図】図２