Antenna unit and noncontact IC tag

Details Antenna unit and noncontact IC tag Antenna unit and noncontact IC tag

2011-06-21

2011-06-21

Franklin, Jamara A (Department: 2876)

Registers

Records

Conductive

Reexamination Certificate

active

07963451

ABSTRACT:
An antenna unit by which a noncontact IC tag having different resonance frequencies can be easily manufactured, and the noncontact IC tag are provided. An antenna unit has an impedance matching wiring portion and an antenna, in which when an IC chip is electrically connected to the impedance matching wiring portion and the antenna, a noncontact IC tag is formed; wherein connectable regions are provided in the impedance matching wiring portion, the regions making a direct or indirect connecting position of the IC chip to be adjustable within a predetermined range, so that effective partial length for impedance matching is made adjustable.

REFERENCES:
patent: 7336243 (2008-02-01), Jo et al.
patent: 2002/0003496 (2002-01-01), Brady et al.
patent: 2003/0112192 (2003-06-01), King et al.
patent: 2005-204179 (2005-07-01), None
patent: 2005-259153 (2005-09-01), None
patent: 580640 (2004-03-01), None

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