Patent ID: 7414592
Filing Date: 2008-08-19
Classification: H01Q

Abstract:
1. An antenna apparatus, comprising: a hollow column; a conductive cable received in the hollow column, wherein the conductive cable has a first conductive wire layer, a first insulating layer for covering the first conductive wire layer, a second conductive wire layer for covering the first insulating layer and electrically connecting with the hollow column; a first metal wire having one side electrically connected with the first conductive wire layer of the conductive cable; a column structure having a column body, a metal layer formed on the column body, at least one spiral groove formed on the metal layer for exposing one part of the column body, and two conductive covers respectively disposed on two sides of the column body, wherein one of the two conductive covers is electrically connected with the other side of the first metal wire; and a second metal wire having one side electrically connected with the other conductive cover.