Direction finding antenna systems and methods for use thereof

Details Direction finding antenna systems and methods for use thereof Direction finding antenna systems and methods for use thereof

2011-04-12

2011-04-12

Tarcza, Thomas H (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Beacon or receiver

C342S432000, C342S439000, C343S835000, C343S836000

Reexamination Certificate

active

07924225

ABSTRACT:
An antenna system comprising a first antenna element, a second antenna element, and a parasitic element, wherein the parasitic element is arranged with regard to the first antenna element and the second antenna element such that a greatest difference in gain between respective antenna patterns of the first and second antenna elements occurs at a null of the pattern of the first antenna element.

REFERENCES:
patent: 2831187 (1958-04-01), Harris et al.
patent: 5661489 (1997-08-01), Baker
patent: 6411824 (2002-06-01), Eidson
patent: 2003/0016176 (2003-01-01), Kingsley et al.
patent: 2003/0184478 (2003-10-01), Kingsley et al.
patent: 2005/0174298 (2005-08-01), Chiang et al.
patent: 2006/0125704 (2006-06-01), Melconian et al.
patent: 2006/0187118 (2006-08-01), Kimata
patent: 471194 (2004-01-01), None

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