Dual band corrugated feed horn antenna

Details Dual band corrugated feed horn antenna Dual band corrugated feed horn antenna

2007-05-08

2008-10-21

Phan, Tho G (Department: 2821)

Communications: radio wave antennas

Antennas

Wave guide type

C343S772000, C333S02100R

Reexamination Certificate

active

07439925

ABSTRACT:
A dual band antenna with a corrugated feed horn comprises a waveguide and a feed horn assembly. The feed horn assembly comprises at least two portions. Two portions each have at least a cylindrical ring and a groove, in which the groove is between two cylindrical rings. By means of adjusting a depth and width of the grooves and a walls width and number of loops of the cylindrical rings of two portions causes each portion responds to different frequency band electromagnetic signal separately and thereby can be adapted to receive radio signals in at least two frequency bands electromagnetic signals. Therefore, this single antenna can be adapted to receive radio signals in two frequency bands. The antenna can effectively reduce manufacturing cost and save space.

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“Single- and Dual-Band Multimode Hard Horn Antennas With Partly Corrugated Walls,” Sotoudeh et al., IEEE Transaction on Antennas and Propagation, vol. 54, No. 2, Feb. 2006, pp. 330-339.

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