Multiband current probe fed antenna

Details Multiband current probe fed antenna Multiband current probe fed antenna

2011-08-09

2011-08-09

Owens, Douglas W (Department: 2821)

Communications: radio wave antennas

Antennas

Waterborne

C343S715000, C343S725000

Reexamination Certificate

active

07994992

ABSTRACT:
A multi-band antenna comprising a conductive structure and a plurality of current probes coupled around the conductive structure. Each current probe is designed to receive and transmit in a substantially different frequency band than the other current probes. The current probes are positioned on the conductive structure so as to effectively create a plurality of transmit/receive antennas such that each respective antenna has a voltage standing wave ratio (VSWR) of less than or equal to approximately 3:1 for a given range within each respective frequency band.

REFERENCES:
patent: 3431487 (1969-03-01), Savage
patent: 5633648 (1997-05-01), Fischer
patent: 6492956 (2002-12-01), Fischer et al.
patent: 2007/0210969 (2007-09-01), Vance
John H. Meloling, James H. Schukantz Jr., & Joseph Fischer; A Transmit Mast-Clamp Current Probe for Shipboard HF Communications; IEEE 0-7803-8883-6/05, pp. 17-20, 2005.
Michael Stewart; The Ship as Antenna; Military Information Technology Online Archives, vol. 8, Issue 10, Dec. 22, 2004.
Greg Ordy, Simple RF Current Probes, Feb. 28, 2003, can be accessed online at http://www.seed-solutions.com/gregordy/Amateur%20Radio/Experimentation/RFProbe.htm.

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