Patent ID: 6229485
Filing Date: 2001-05-08
Classification: H01Q

Abstract:
An antenna device comprising:a first flat ground conductor;a flat radiation conductor having a side thereof disposed facing said first flat ground conductor interposing a first dielectric layer;a first short-circuit conductor connecting a first edge of said flat radiation conductor and said first flat ground conductor;a second flat ground conductor disposed facing and spaced apart from and partially overlapping another side of said flat radiation conductor opposite said side facing said first flat ground conductor and interposing a second dielectric layer between said flat radiation conductor and said second flat ground conductor;a second short-circuit conductor connecting said second flat ground conductor and said first flat ground conductor, wherein said second short-circuit conductor is disposed spaced apart a predetermined distance from a second edge opposite said first edge of said flat radiation conductor; anda power supply point disposed at a predetermined position on said flat radiation conductor.