Method and system for RFID communication
First Claim
Patent Images
1. An RFID communication system comprising:
- a plurality of RFID tags individually comprisingmemory to store an identification code,transceiver circuitry to provide the identification code via wireless radio frequency signals, andindication circuitry configured to emit a human perceptible signal; and
wherein individual ones of the RFID tags are configured to receive a wireless command transmitted by an interrogator and to process the wireless command, wherein the wireless command is configured to identify at least one of the RFID tags and wherein the at least one RFID tag is configured to control the respective indication circuitry of the at least one RFID tag to emit the human perceptible signal responsive to the processing of the wireless command by the at least one RFID tag determining that the wireless command identifies the at least one RFID tag.
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Abstract
In one embodiment a method, which may be implemented on a system, is provided to have RFID tags provide a human perceptible signal when identified by an interrogator.
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Citations
40 Claims
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1. An RFID communication system comprising:
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a plurality of RFID tags individually comprising memory to store an identification code, transceiver circuitry to provide the identification code via wireless radio frequency signals, and indication circuitry configured to emit a human perceptible signal; and wherein individual ones of the RFID tags are configured to receive a wireless command transmitted by an interrogator and to process the wireless command, wherein the wireless command is configured to identify at least one of the RFID tags and wherein the at least one RFID tag is configured to control the respective indication circuitry of the at least one RFID tag to emit the human perceptible signal responsive to the processing of the wireless command by the at least one RFID tag determining that the wireless command identifies the at least one RFID tag. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An RFID communication system comprising:
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an interrogator configured to transmit a wireless communications signal within a wireless communications range of the interrogator; and a plurality of RFID tags individually comprising memory to store an identification code, transceiver circuitry to provide the identification code via wireless radio frequency signals, and indication circuitry configured to emit a human perceptible signal, wherein the RFID tags are positioned at different locations in space including locations within the wireless communications range of the interrogator and locations outside of the wireless communications range of the interrogator, wherein the indication circuits of the RFID tags positioned within the wireless communications range of the interrogator individually emit the human perceptible signal responsive to reception of the wireless communications signal by the respective individual RFID tags, and wherein the RFID tags positioned outside of the wireless communications range of the interrogator do not emit the human perceptible signal responsive to the transmission of the wireless communications signal by the interrogator. - View Dependent Claims (12, 13, 14, 15)
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16. An RFID communication system comprising:
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an interrogator configured to transmit a wireless communications signal within a wireless communications range of the interrogator; and a plurality of RFID tags individually comprising indication circuitry configured to emit a human perceptible signal, wherein the RFID tags are positioned at different locations in space including locations within the wireless communications range of the interrogator and locations outside of the wireless communications range of the interrogator, wherein the indication circuits of the RFID tags positioned within the wireless communications range of the interrogator individually emit the human perceptible signal responsive to reception of the wireless communications signal by the respective individual RFID tags, and wherein the RFID tags positioned outside of the wireless communications range of the interrogator do not emit the human perceptible signal responsive to the transmission of the wireless communications signal by the interrogator; wherein the emitted human perceptible signals are useable to ascertain information regarding the communications range of the interrogator.
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17. An RFID communications method comprising:
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outputting a wireless communications signal using an interrogator; receiving the wireless communications signal using a plurality of RFID tags within a wireless communications range of the interrogator, wherein the plurality of RFID tags individually comprising memory to store an identification code and transceiver circuitry to provide the identification code via wireless radio frequency signals; processing the wireless communications signals using the RFID tags, the processing determining tat at least one of the RFID tags is identified by the wireless communications signal; and using the at least one RFID tag, entitling a human perceptible signal responsive to the determining. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25)
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26. An RFID communications method comprising:
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outputting a wireless communications signal using an interrogator; receiving the wireless communications signal using a plurality of RFID tags within a wireless communications range of the interrogator; processing the wireless communications signals using the RFID tags, the processing determining that at least one of the RFID tags is identified by the wireless communications signal; and using the at least one RFID tag, emitting a human perceptible signal responsive to the determining; wherein the wireless communications signal identifies all of the RFID tags, the emitting comprises emitting a plurality of human perceptible signals using the RFID tags, and further comprising ascertaining information regarding the wireless communications range using the emitted human perceptible signals. - View Dependent Claims (27, 28)
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29. An RFID communications method comprising:
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positioning an RFID tag at a point in space within a wireless communications range of an interrogator; using the interrogator, transmitting a wireless communications signal; using the RFID tag positioned at the point in space, receiving the wireless communications signal; responsive to the receiving, emitting a human perceptible signal using the RFID tag positioned at the point in space; and ascertaining information regarding the wireless communications range of the interrogator using the emitted human perceptible signal. - View Dependent Claims (30, 31, 32, 33)
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34. An RFID communications method comprising:
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positioning a plurality of RFID tags at a plurality of different locations in space corresponding to a wireless communications range of an interrogator and wherein at least some of the RFID tags are positioned within the wireless communications range; using the interrogator, emitting a wireless communications signal with the RFID tags positioned at the different locations in space; using the at least some of the RFID tags positioned within the wireless communications range, receiving the wireless communications signal;
using the at least some of the RFID tags positioned within the wireless communications range, emitting respective human perceptible signals responsive to the receiving; andascertaining information regarding a periphery of the wireless communications range using the emitted human perceptible signals. - View Dependent Claims (35, 36, 37, 38, 39, 40)
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Specification