Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 31, 2009
Patent Application Number
10543981
Date Filed
January 31, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
The device for sensing a RF field comprises a flux-receiving loop (1) including a circumferential path having a defined path width (d), the flux-receiving loop (1) having a portion (10) that transforms the magnetic flux flowing through the flux receiving loop (1) into a high magnetic field. The portion (10) comprises a constriction of the flux-receiving loop (1) that concentrates the current lines in the circumferential path to define a current-field transformer. At least one very low noise magnetic field transducer (12) is located at a very close distance from the constriction.
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