Patent ID: 9236653
Filing Date: 2016-01-12
CPC Classification: H01Q

Claim Text:
1. An antenna device, comprising: an array antenna comprising a plurality of antenna units, each of the antenna units comprising a conductive sheet engraved with a groove topology pattern, a conductive feeding point and a feeder line; and a power divider, being adapted to divide a baseband signal into a plurality of weighted signals and then transmit the weighted signals to the antenna units arranged in an array via the conductive feeding points respectively; wherein the antenna device further comprises a reflecting unit, and the reflecting unit is adapted to reflect a backward radiated electromagnetic wave from the antenna units; wherein each of the antenna units further comprises an insulative medium substrate, a grounding unit and a grounding line, the conductive sheet is attached on a surface of the medium substrate, the conductive sheet is engraved with the groove topology pattern; the conductive feeding point, the feeder line electrically connected to the conductive feeding point, the grounding unit and the grounding line are further formed on the surface of the medium substrate, and the conductive sheet is connected to the grounding unit via the grounding line.