Frequency control of electrical length for bicone antennas

Details Frequency control of electrical length for bicone antennas Frequency control of electrical length for bicone antennas

2011-01-25

2011-01-25

Tan, Vibol (Department: 2819)

Communications: radio wave antennas

Antennas

Wave guide type

C343S807000

Reexamination Certificate

active

07876280

ABSTRACT:
A broadband bicone antenna supports frequency selective control of electrical length. Frequency selective control of the electrical length of an antenna can provide an antenna exhibiting two or more different electrical lengths where use of each length depends upon the operating frequencies of the signals. The electrical length of the bicone antenna may be reduced in response to higher operating frequencies. Such reduction in electrical length at higher frequencies can provide improved antenna radiation patterns for the antenna. Further, the electrical length of the bicone antenna may be increased in response to low frequency operation. Such increase in electrical length may improve VSWR performance at lower frequencies. Simultaneous operation of the bicone antenna at varied electrical lengths for varied frequency bands can provide improved broadband performance of the antenna.

REFERENCES:
patent: 3829863 (1974-08-01), Lipsky
patent: 5760750 (1998-06-01), Guertin
patent: 7339529 (2008-03-01), Martek
patent: 2005/0093756 (2005-05-01), Martek
patent: 2006/0022885 (2006-02-01), Ida et al.
patent: 2007/0205951 (2007-09-01), Black et al.

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