Multiple RF-port modulator for RFID tag

Communications: electrical – Condition responsive indicating system – Specific condition

Reexamination Certificate

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Details

C340S572700, C438S197000, C438S198000, C438S199000, C257S213000, C257S499000

Reexamination Certificate

active

07616120

ABSTRACT:
Apparatus and systems may include integrated circuits for use with Radio Frequency Identification (RFID) tags having an antenna structure with at least three coupling ends. The integrated circuits may include three or more nodes corresponding respectively to the at least three coupling ends, and a modulator switch to receive a single modulator switching signal input. Methods may include those used to form and operate such circuits. Additional apparatus, systems, and methods are disclosed.

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