Patent attributes
An antenna apparatus includes patch antennas arranged in an N×1 array, first feed vias, second feed vias, third feed vias, and fourth feed vias connected to a point offset from a center of each of the patch antennas, in a first direction, second direction, third direction, and fourth direction, respectively a first RF signal of a first phase passes through the first feed vias and the second feed vias, a second RF signal of a second phase passes through the third feed vias and the fourth feed vias, and wherein a line between the point in the first direction and the point in the second direction is oblique to a direction of an array of the patch antennas, and a line between the point in the third direction and the point in the fourth direction is oblique to the direction of the array.