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US 11,733,281 B2Granted
Alternative near-field gradient probe for the suppression of radio frequency interference
OwnerTom Lavedasinventor
Life of this patent
Estimating the term…
Abstract
A sensor probe. The probe includes a central loop and a plurality of peripheral loops disposed peripherally relative to the central loop. To maximize far-field suppression, current flows in a first direction through the central loop and in a second direction through each one of the plurality of peripheral loops, the first direction opposite to the second direction, and current through the central loop equals current through the plurality of peripheral loops.
Claims18
A sensor probe comprising:
- a conductive central loop;
- a plurality of conductive peripheral loops disposed peripherally relative to the central loop;
- the central loop and the plurality of peripheral loops configured such that current flows in a first direction through the central loop and in a second direction through each one of the plurality of peripheral loops, the first direction opposite to the second direction, and wherein current through the central loop equals current through the plurality of peripheral loops;
- and
- further comprising a magnetically isolated loop for transmitting an incident signal directed at a target and receiving a reflected signal from the target, the magnetically isolated loop comprising feed points for receiving a current producing the incident signal.
2 more elements
A sensor probe comprising:
- a first and a second conductive central loop, the first and second central loops nested in a single plane or the second central loop stacked vertically relative to the first central loop;
- first, second, third, and fourth conductive peripheral loops disposed peripherally relative to the first and second central loops;
- and
- the first and second central loops and the plurality of peripheral loops configured such that current flows in a first direction through the first and second central loops and in a second direction through the first, second, third, and fourth peripheral loops, the first direction opposite to the second direction.
1 more element
Dependencies are inferred from the claim text.