技術摘要（英）
The present invention relates to a miniature dual-band antenna and its design method, wherein the dual miniaturized antenna includes a circuit board and is formed on the surface of the board and isolated a conductive pattern and a ground plane, wherein having a plurality of conductive patterns is a bent wire segment and is operating in a first frequency, said conductive pattern comprises a feed point, said feed point is provided on a free end of said conductive pattern, said conductive pattern and the conductive pattern between the ground plane is connected to a capacitor inductance circuit, connected to said capacitor and said inductance circuit after the common ground plane to another slow-wave effect calculate a frequency different from the first resonance frequency , wherein, with the resonance frequency of the equivalent capacitance and inductance circuit reactance is inversely proportional relationship.