Accton Technology Corporation

Tzung Wern Chiou

Kin Lu Wong

Chih Ming Su

Chi Yin Fang

A dual-band dipole antenna adapted to be disposed on a dielectric substrate comprises two substantially rectangular radiating metallic sheets and a coaxial transmission line. The substantially rectangular radiating metallic sheets are symmetrically disposed on two sides of the dielectric substrate with respect to the central line thereof, wherein each of the radiating metallic sheets further has a feeding point and a U-shaped slot. One feeding point is disposed opposite to the other feeding point, and the opening of the U-shaped slot is in the direction of the feeding point for dividing the substantially rectangular radiating metallic sheet into a larger sub-metallic sheet and a smaller one, wherein the former serves to generate a first (lower frequency) operating mode of the dual-band dipole antenna, and the latter serves to generate a second (higher frequency) operating mode thereof. The coaxial transmission line has a core conductor and an external ground conductor which are respectively connected to the feeding points.

Dual-band dipole antenna

A dual-band dipole antenna, which is adapted to be disposed on a dielectric substrate, comprises two substantially rectangular radiating metallic sheets and a coaxial transmission line. The substantially rectangular radiating metallic sheets are symmetrically disposed on two sides of the dielectric substrate with respect to the central line thereof, wherein each of the radiating metallic sheets further has a feeding point and a slit. One feeding point is disposed opposite to the other feeding point, and the slit extends from one edge of the substantially rectangular radiating metallic sheet to the interior thereof in the direction of the feeding point so that a longer path and a shorter one are formed on the substantially rectangular radiating metallic sheet, wherein the longer path serves to generate a first (lower frequency) operating mode of the dual-band dipole antenna, and the shorter path serves to generate a second (higher frequency) operating mode thereof. The coaxial transmission line has a core conductor and an external ground conductor which are respectively connected to the feeding points.

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Taipei, Taiwan

Tzung Wern Chiou