Broadband land mobile antenna

Details Broadband land mobile antenna Broadband land mobile antenna

2006-03-13

2010-06-08

Wimer, Michael C (Department: 2821)

Communications: radio wave antennas

Antennas

Active sleeve surrounds feed line

C343S895000

Reexamination Certificate

active

07733284

ABSTRACT:
There is provided a monopole antenna including a helical radiating element including a first longitudinal portion having a first winding pitch and a second longitudinal portion having a second winding pitch and a cylindrical radiating element generally coaxial with the helical radiating element and extending along at least most of the first longitudinal portion.

REFERENCES:
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patent: 5892480 (1999-04-01), Killen
patent: 5909196 (1999-06-01), O'Neill, Jr.
patent: 6054966 (2000-04-01), Haapala
patent: 6172655 (2001-01-01), Volman
patent: 6525692 (2003-02-01), Kim et al.

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