Borehole located directional antennae means for electromagnetic sensing systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 29, 1987
Grant Date -
N/A
app pub date -
Sep 23, 1985
filing date -
Nov 2, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A directional antenna for an electromagnetic sensing system comprises a generally cylindrical tube of electrically-conductive material a portion of the tube being cut away to define a transversally-facing window. The non-cut away portion of the tube provides a backing shield for a pair of antenna elements mounted on a generally `V`-shaped support. A cover of dielectric material is arranged over the antenna elements.
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Cited Art Landscape
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