Antenna system

Details Antenna system Antenna system

2006-04-25

2006-04-25

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Within conductive apertured wall

Reexamination Certificate

active

07034768

ABSTRACT:
An underground telemetry system having an antenna system having at least one metallic radiating element having a single or a dual top loaded folded monopole configuration and disposed within a metallic housing and having RF electronics to self-calibrate and tune the input impedance of the antenna elements.

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patent: 5867117 (1999-02-01), Gogineni et al.
patent: 5904210 (1999-05-01), Stump et al.
patent: 6111548 (2000-08-01), Braunlich et al.

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