Antenna assembly having parasitic element for increasing...

Details Antenna assembly having parasitic element for increasing... Antenna assembly having parasitic element for increasing...

2006-12-19

2006-12-19

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

C343S793000

Reexamination Certificate

active

07151500

ABSTRACT:
An antenna assembly (1) includes a substrate having a first surface (11) and a second surface (12) opposite to the first surface, a dual-band dipole antenna (5) having a symmetrical structure and arranged on the first surface, a feed cable (4) arranged on the first surface for feeding the dipole antenna, and a parasitic element (8) arranged on the second surface. The parasitic element has a pair of symmetrical first and second parasitic sections. The first parasitic section includes a first, a second and a third patches (61–63), and the second parasitic section includes a first, a second and a third pieces (71–73). The first, the second and the third patches are separated from each other. The first, the second and the third pieces are separated from each other. The parasitic element can increase the gain of the dipole antenna through coupling with the dipole antenna.

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