Patent ID: 7136024
Filing Date: 2006-11-14
Classification: H01Q

Abstract:
1. A slot antenna, comprising a slot including a first aperture extending generally in a straight line, a second aperture communicating with one end of a longitudinal direction of the first aperture, and a third aperture communicating with another end of the longitudinal direction of the first aperture, said first, second and third apertures being disposed in a conducting member of a ground conducting plate at a predetermined interval, the second aperture communicating only with an end of one of the long sides of the first aperture and the third aperture communicating with only an end of the other long side of the first aperture, the second aperture and the third aperture being in a point-symmetrical location relationship with respect to a center of the first aperture, the second and third apertures having a width larger than that of the first aperture, directions of electric fields generated at the second and third apertures being inclined to a direction of an electric field generated at the first aperture upon feeding power, and a component perpendicular to the longitudinal direction among the electric fields of the second and third apertures canceling the electric field of the first aperture.