Non-contact information medium and communication system...

Details Non-contact information medium and communication system... Non-contact information medium and communication system...

2004-07-30

2008-10-21

Lee, Seung H (Department: 2887)

Registers

Records

Conductive

C235S439000, C235S451000

Reexamination Certificate

active

07438235

ABSTRACT:
A noncontact information medium includes a coil formed by a conductor, a capacitor that forms a resonance circuit together with the coil, an IC chip that controls information transmitted to and received from a reader-writer. The coil has a cutoff part formed by cutting off at least a part of the conductor.

REFERENCES:
patent: 6173900 (2001-01-01), Yoshigi et al.
patent: 6343744 (2002-02-01), Shibata et al.
patent: 6386459 (2002-05-01), Patrice et al.
patent: 2003/0178483 (2003-09-01), Wakabayashi
patent: 2000-269725 (2000-09-01), None
patent: 2000-306066 (2000-11-01), None
patent: 2001-34725 (2001-02-01), None
patent: 2003-228693 (2003-08-01), None

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