Single-feed multi-frequency multi-polarization antenna

Details Single-feed multi-frequency multi-polarization antenna Single-feed multi-frequency multi-polarization antenna

2007-01-16

2007-01-16

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S853000

Reexamination Certificate

active

11145878

ABSTRACT:
An antenna capable of receiving both left-hand circularly polarized (LHCP) signals and right-hand circularly polarized (RHCP) signals, and outputting both signals on a single feed. The antenna includes two coplanar concentric patches. The inner patch is substantially square. The outer patch has inner and outer edges both of which are square. The two patches do not physically contact one another. A single feed is connected to the inner patch. The inner patch receives the LHCP signal, and the two patches together receive the RHCP signal.

REFERENCES:
patent: 6181281 (2001-01-01), Desclos et al.
patent: 2004/0051675 (2004-03-01), Inoue
patent: 2004/0075610 (2004-04-01), Pan
patent: 2004/0183735 (2004-09-01), Jecko et al.
patent: 2006/0103576 (2006-05-01), Mahmoud et al.
patent: 1357636 (2003-10-01), None
patent: 2000165135 (2000-06-01), None

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