Method and apparatus for a privacy enabling radio frequency identification (RFID) reader
First Claim
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1. A device, comprising:
- a receiver that detects a response signal transmitted by a radio frequency identification (RFID) tag in response to an external interrogation signal transmitted by an external RFID reader device;
an indicator that provides an indication to a user if said receiver detects said response signal; and
a transmitter that transmits a masking signal to mask at least a portion of said response signal transmitted by said RFID tag if said receiver detects a response signal of said RFID tag transmitted in response to said external interrogation signal.
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Abstract
In an aspect of the present invention, an individual carries a mobile communications device, such as a cell phone, that listens for readers attempting to read tags associated with the individual. In a further aspect of the present invention, the mobile communications device operates to mask the transmissions of these readers, to prevent them from reading the tags.
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Citations
20 Claims
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1. A device, comprising:
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a receiver that detects a response signal transmitted by a radio frequency identification (RFID) tag in response to an external interrogation signal transmitted by an external RFID reader device; an indicator that provides an indication to a user if said receiver detects said response signal; and a transmitter that transmits a masking signal to mask at least a portion of said response signal transmitted by said RFID tag if said receiver detects a response signal of said RFID tag transmitted in response to said external interrogation signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for providing a user with indication of unwanted interrogation by an external radio frequency identification (RFID) reader device, comprising:
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monitoring for a response signal transmitted by an RFID tag in response to an external interrogation signal transmitted by an external RFID reader device; and if the response signal is detected, providing an indication to the user and selectively transmitting a masking signal to mask further response by the responding RFID tag. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification