RFID power from handset transmissions
First Claim
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1. A radio frequency identification (RFID) tag, comprising:
- a transceiver; and
a component coupled to said transceiver;
wherein said transceiver is adapted to wirelessly receive power from an RFID reader and from a mobile communication device, said power received from said mobile communication device being used to power said component;
wherein said component receives identity information from said mobile communication device.
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Abstract
A radio frequency identification (RFID) tag comprises a transceiver and a component coupled to the transceiver. The transceiver is adapted to wirelessly receive power from an RFID reader and/or from a mobile communication device. The power received from the mobile communication device is used to power the component, providing an alternative power source (cellular beacons) that uses no additional handset power.
16 Citations
17 Claims
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1. A radio frequency identification (RFID) tag, comprising:
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a transceiver; and a component coupled to said transceiver; wherein said transceiver is adapted to wirelessly receive power from an RFID reader and from a mobile communication device, said power received from said mobile communication device being used to power said component; wherein said component receives identity information from said mobile communication device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14)
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13. A method, comprising:
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a wireless device operating in a first mode if said wireless device is in operative communication with an RFID reader; and said wireless device operating in a second mode if said wireless device is not in operative communication with the RFID reader but does receive power wirelessly from a non-RFID mobile communication device; wherein, while in said second mode, said wireless device receives identity information from said non-RFID mobile communication device.
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15. A method, comprising:
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receiving at a transceiver of a tag a signal from a non-RFID communication device; powering up a component in communication with the transceiver; and receiving identity information from said non-RFID communication device. - View Dependent Claims (16, 17)
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Specification