Analog RFID System
First Claim
Patent Images
1. A radio frequency identification (RFID) device comprising:
- an antenna linked to an integrated circuit, the integrated circuit comprising tag circuitry and analog modulation circuitry;
a device linked to the integrated circuit, the device generating an analog signal output; and
the analog modulation circuitry configured to condition the analog signal output.
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Accused Products
Abstract
Methods and apparatus, including computer program products, for an analog RFID system. A radio frequency identification (RFID) device includes an antenna linked to an integrated circuit, the integrated circuit comprising tag circuitry and analog modulation circuitry, a device linked to the integrated circuit, the device generating an analog signal output, and the analog modulation circuitry configured to conditioning the analog signal output.
25 Citations
18 Claims
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1. A radio frequency identification (RFID) device comprising:
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an antenna linked to an integrated circuit, the integrated circuit comprising tag circuitry and analog modulation circuitry; a device linked to the integrated circuit, the device generating an analog signal output; and the analog modulation circuitry configured to condition the analog signal output. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system comprising:
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a radio frequency identification (RFID) reader configured to transmit a continuous wave un-modulated radio frequency (RF) signal and receive a signal in response, the transmitted signal including one or more commands, the commands including one or more parameters; a radio frequency identification (RFID) device configured to respond to the transmitted RF signal, the RFID device comprising; an antenna linked to an integrated circuit, the integrated circuit comprising tag circuitry and analog modulation circuitry; a device linked to the integrated circuit, the device generating an analog signal output; and the analog modulation circuitry configured to condition the analog signal output. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method comprising:
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transmitting a radio frequency identification (RFID) reader analog read/control command from a RFID reader to a RFID tag; receiving the RFID reader analog read/control command in the RFID tag; executing control instructions in the RFID tag in response to the command; conditioning an analog data stream received by the RFID tag from an analog device; and sending the modulated analog data stream to the RFID reader. - View Dependent Claims (16, 17, 18)
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Specification