RFID tag and method for processing RFID data

Details RFID tag and method for processing RFID data RFID tag and method for processing RFID data

2006-08-08

2006-08-08

Swarthout, Brent A. (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S010100, C340S010300, C340S572100

Reexamination Certificate

active

07088246

ABSTRACT:
A collision prevention relational function is disclosed for RFID tags, which increases stability during system operations. The RFID tag includes a parallel resonance circuit having a coil, a resonance capacitor, an adjustment capacitor, a switching circuit, a rectification circuit, a smoothing capacitor, a constant-voltage circuit, a voltage detection circuit, an exclusive OR circuit, a timer circuit, a voltage detection circuit, a control circuit, an OR circuit, a latch circuit, an UID storage device, and a data modulator/demodulator. When a predetermined power supply voltage/operating voltage is obtained, an anti-collision algorithm identifies and adjusts RFID tags that experienced collision.

REFERENCES:
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patent: 5446447 (1995-08-01), Carney et al.
patent: 5602538 (1997-02-01), Orthmann et al.
patent: 6354493 (2002-03-01), Mon
patent: 2000-151480 (2000-05-01), None

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