Independently tunable multiband meanderline loaded antenna

Details Independently tunable multiband meanderline loaded antenna Independently tunable multiband meanderline loaded antenna

2005-05-24

2005-05-24

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S846000

Reexamination Certificate

active

06897817

ABSTRACT:
An antenna for transmitting and receiving radio frequency energy. The antenna comprises a conductive top plate formed in the shape of a spiral. In one embodiment a sidewall meanderline extends from an edge of the top plate in the direction of a ground plane. A shorting meanderline connects the top plate and the ground plane. A first region of the top plate overlies the ground plane. A second region of the top plate extends beyond the ground plane. Tuning is provided by adjusting the length and other dimensions of the meanderlines.

REFERENCES:
patent: 5313216 (1994-05-01), Wang et al.
patent: 6137453 (2000-10-01), Wang et al.
patent: 6489925 (2002-12-01), Thursby et al.
patent: 6492953 (2002-12-01), Apostolos
patent: 6573869 (2003-06-01), Moore
patent: 6590543 (2003-07-01), Apostolos

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