IC tag and inlet for IC tag

Details IC tag and inlet for IC tag IC tag and inlet for IC tag

2011-06-07

2011-06-07

Kim, Ahshik (Department: 2876)

Registers

Records

Conductive

C235S451000

Reexamination Certificate

active

07954722

ABSTRACT:
An IC tag mounting at least two IC chips operating in different frequency bands. The IC tag having a first inlet including a first antenna having a relatively long operation wavelength and a first IC chip mounted on the first antenna, and a second inlet including a second antenna having an operation wavelength shorter than the first antenna and disposed crossing at a predetermined angle over a line of the first antenna without positioning both opposite ends of the second antenna upon the first antenna and a second IC chip mounted on the second antenna. The second antenna has a matching circuit for impedance matching between the second antenna and the second IC chip. The matching circuit is a slit formed in the second antenna and positioned upon terminals of the second IC chip. Thus, the second antenna is made compact using the first antenna as an auxiliary antenna.

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patent: 2004/0074975 (2004-04-01), Gundlach et al.
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patent: 1548639 (2005-06-01), None
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patent: 02/29929 (2002-04-01), None
EP 07251723.8-2210, Sep. 13, 2007 Search Report, 3 pages.

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