Apparatus and method to electromagnetically shield portable consumer devices
First Claim
Patent Images
1. An apparatus comprising:
- a portable consumer device comprising a first antenna; and
an RF shield comprising an electrically conductive, non-ferromagnetic material, wherein the RF shield is configured to prevent unauthorized data transfer between a second antenna external to the portable consumer device and the first antenna.
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Abstract
An apparatus and method is provided to shield contactless portable electronic consumer devices such as radio frequency identification devices (RFID), tokens, mini-cards, key fobs, cellular phones, smartcards, etc. from wireless interrogation. In one embodiment, a contactless portable consumer device which includes a first antenna is shielded from unauthorized wireless interrogation with a radio frequency (RF) shield. The RF shield includes electrically conductive, non-ferromagnetic material and is configured to prevent unauthorized data transfer between a second antenna external to the portable consumer device and the first antenna.
242 Citations
24 Claims
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1. An apparatus comprising:
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a portable consumer device comprising a first antenna; and
an RF shield comprising an electrically conductive, non-ferromagnetic material, wherein the RF shield is configured to prevent unauthorized data transfer between a second antenna external to the portable consumer device and the first antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus comprising:
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a portable consumer device comprising a first antenna; and
an RF shield in the form of a sticker, wherein the RF shield is configured to prevent unauthorized data transfer between a second antenna external to the portable consumer device and the first antenna. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. An apparatus comprising:
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a portable consumer device comprising a first antenna;
a flexible carrier; and
an RF shield associated with the carrier, wherein the RF shield is configured to prevent unauthorized data transfer between a second antenna external to the portable consumer device and the first antenna. - View Dependent Claims (22, 23, 24)
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Specification