×

Cards and devices with magnetic emulators and magnetic reader read-head detectors

  • US 8,286,876 B2
  • Filed: 07/20/2011
  • Issued: 10/16/2012
  • Est. Priority Date: 12/24/2007
  • Status: Active Grant
First Claim
Patent Images

1. A card comprising:

  • an electronic device operable to communicate information to a magnetic stripe reader;

    a first layer of magnetic shielding, wherein said first layer of magnetic shielding is located over said electronic device; and

    a second layer of magnetic shielding, wherein said second layer of magnetic shielding is located over said electronic device, wherein said second layer is located at a point above said first layer,wherein said first layer of magnetic shielding includes a first magnetic field limiting material,said second layer of magnetic shielding includes a second magnetic field limiting material, andat least one said first magnetic field limiting material said second magnetic field limiting material is a magnetic field blocking material.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×