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SYSTEM AND METHOD FOR MONITORING CHARACTERISTICS OF AN ELECTRICAL DEVICE

  • US 20150130480A1
  • Filed: 11/08/2013
  • Published: 05/14/2015
  • Est. Priority Date: 11/08/2013
  • Status: Active Grant
First Claim
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1. A remote monitoring system for an electrical device, comprising:

  • a sensor unit disposed in the electrical device, and configured toobtain measurement characteristics in response to a measurand of the electrical device,obtain reference characteristics insensitive to the measurand of the electrical device, andcommunicate the measurement characteristics and the reference characteristics using time varying electromagnetic fields; and

    a reader unit to establish a far-field communication with the sensor unit in the presence of at least one metallic interferer in the electrical device, wherein the reader unit is configured toreceive the time varying electromagnetic fields associated with the measurement characteristics and the reference characteristics in response to at least one radio frequency signal transmitted to the sensor unit, anddetermine the measurand of the electrical device based on at least one property of the received time varying electromagnetic fields associated with the measurement characteristics and the reference characteristics.

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