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HANDHELD DEVICES AND STRUCTURES TO DETECT STICKY DEVICES HAVING MAGNETS

  • US 20140236514A1
  • Filed: 10/24/2013
  • Published: 08/21/2014
  • Est. Priority Date: 01/13/2011
  • Status: Active Grant
First Claim
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1. A magnetic field sensor for detecting a magnetic field of a sticky device configured to adhere to a portion of a vehicle, the magnetic field sensor comprising:

  • a plurality of Hall-effect sensors coupled to a display for sensing the presence of a magnetic field of a sticky device when in proximity of the sticky device, the display comprising a plurality of elements corresponding in position to the respective positions of the plurality of Hall-effect sensors indicating the presence of a suspect magnetic field, the plurality of Hall-effect sensors being located spatially distanced from one another in one of a line and about a circle anda power supply for powering the sensors and display elements.

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