Double-suspension receiver coil system and apparatus
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United States of America Patent
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Oct 4, 2011
Grant Date -
Nov 12, 2009
app pub date -
May 9, 2008
filing date -
May 9, 2008
priority date (Note) -
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Abstract
The present invention is a double-suspension receiver coil apparatus and system for conducting electromagnetic surveys including, both ground-based and airborne measurements. The present invention includes at least one receiver coil suspended by way of first suspension members within an inner frame and said inner frame being suspended by second suspension members within an inner ring which is further enclosed within an outer frame. The double-suspension receiver coil apparatus functions so as to maintain the receiver coil position while minimizing vibrations in order to achieve a high signal-to-noise ratio and enable accurate measurements. The receiver coil may be in an airborne system in a near-horizontal position or in a ground system in a vertical position.
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