Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2007-02-28
2009-11-10
Lieu, Julie (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
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.
REFERENCES:
patent: 4584709 (1986-04-01), Kneisel et al.
patent: 4730188 (1988-03-01), Milheiser
patent: 4742567 (1988-05-01), Ohe et al.
patent: 4953157 (1990-08-01), Franklin et al.
patent: 4977616 (1990-12-01), Linder et al.
patent: 5142292 (1992-08-01), Chang
patent: 5430441 (1995-07-01), Bickley et al.
patent: 5448110 (1995-09-01), Tuttle et al.
patent: 5499397 (1996-03-01), Wadin et al.
patent: 5507035 (1996-04-01), Bantz et al.
patent: 5572226 (1996-11-01), Tuttle
patent: 5719586 (1998-02-01), Tuttle
patent: 5771021 (1998-06-01), Veghte et al.
patent: 5842118 (1998-11-01), Wood, Jr.
patent: 6057803 (2000-05-01), Kane et al.
patent: 6078259 (2000-06-01), Brady et al.
patent: 6078791 (2000-06-01), Tuttle et al.
patent: 6130570 (2000-10-01), Pan et al.
patent: 6147605 (2000-11-01), Vega et al.
patent: 6249260 (2001-06-01), Holloway
patent: 2004/0179391 (2004-09-01), Bhattacharyya
patent: 2006/0055620 (2006-03-01), Oliver et al.
patent: 2007/0122960 (2007-05-01), Aoki
patent: 2007/0207575 (2007-09-01), Taniguchi et al.
patent: 2008/0001258 (2008-01-01), Ema et al.
patent: 2008/0227248 (2008-09-01), Han
Masui, “A 13.56 MHz CMOS RF Identification Passive Tag LSI with Ferroelectric Random Access Memory”,lEICE Transactions on Electronics E88-C(4), (2005),IEICE Transactions on Electronics.
Humes Todd E.
Oliver Ronald A.
Impinj, Inc.
Lieu Julie
Turk IP Law, LLC
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