Low profile antenna

Details Low profile antenna Low profile antenna

2005-11-22

2005-11-22

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Plural antennas spaced a fractional or full wave length apart

C343S803000

Reexamination Certificate

active

06967629

ABSTRACT:
A low profile antenna having relatively high radiation resistance, wide bandwidth and which utilizes a single conductor and RF source is disclosed. In accordance with an exemplary embodiment, the upper horizontal portion and the lower horizontal portion of the double inverted-L antenna are respectively brought down and up (without being physically connected) at a distance of approximately 180 degrees (½λ) from the RF source so as to form two additional vertical portions of the antenna. This is followed by two approximately 90-degree (¼λ) horizontal conductors portion. The resulting radiation resistance of the low profile antenna is approximately three-times that of a double inverted-L antenna.

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“All-Band Inverted L,” L. B. Cebik, http://www.antennex.com/preview/archive3/ltv.htm, Oct. 20, 2003, 13 pages.

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