Temporary Non-Responsive State for RFID Tags
First Claim
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1. An apparatus, comprisinga radio frequency identification (RFID) tag containing circuitry to:
- receive a first wireless command directed to the RFID tag from an RFID reader;
enter, resultant to said receiving the first wireless command, a non-responsive mode during which the RFID tag does not transmit responses to any RFID reader; and
exit the non-responsive mode based on a timing circuit within the RFID tag.
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Abstract
A radio frequency identification (RFID) tag may have a non-responsive mode, triggered by a command from an RFID reader, that temporarily prevents the RFID tag from responding to a query from any RFID reader for a period of time. In some embodiments this non-responsive mode may automatically end after a certain period of time without further action by the RFID reader. In other embodiments this non-responsive mode may end when directed to by another command addressed specifically to the RFID tag.
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Citations
18 Claims
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1. An apparatus, comprising
a radio frequency identification (RFID) tag containing circuitry to: -
receive a first wireless command directed to the RFID tag from an RFID reader; enter, resultant to said receiving the first wireless command, a non-responsive mode during which the RFID tag does not transmit responses to any RFID reader; and exit the non-responsive mode based on a timing circuit within the RFID tag. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus, comprising
a radio frequency identification (RFID) tag, containing circuitry to: -
receive a particular wireless command directed to the RFID tag from a particular RFID reader; enter, resultant to said receiving the particular command, a non-responsive mode during which the RFID tag does not transmit responses to any RFID reader; and exit the non-responsive mode resultant to the particular RFID tag receiving a command addressed to the RFID tag directing the RFID tag to exit the non-responsive mode.
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11. A method, comprising:
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receiving a wireless command from a radio frequency identification (RFID) reader to enter a non-responsive mode of operation, entering the non-responsive mode resultant to receiving the command; and returning to a responsive mode resultant to an internal event not based on any wireless command received while in the non-responsive mode. - View Dependent Claims (12, 13, 14)
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15. A method, comprising:
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receiving, by a radio frequency identification (RFID) tag, a first wireless command from an RFID reader to enter a non-responsive mode of operation, entering the non-responsive mode as a result of receiving the first wireless command; and receiving a second wireless command addressed to the RFID tag, the second wireless command directing the RFID tag to enter a responsive mode of operation; and exiting the non-responsive mode resultant to receiving the second wireless command.
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16. An article comprising
a tangible machine-readable medium that contains instructions, which when executed by one or more processors result in performing operations comprising: -
transmitting an enabling signal to multiple radio frequency identification (RFID) tags; receiving a response from a particular RFID tag; and transmitting a first command addressed to the particular RFID tag and directing the particular RFID tag to enter a non-responsive mode. - View Dependent Claims (17, 18)
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Specification