Integrated circuit, non-contact IC card, reader/writer,...

Details Integrated circuit, non-contact IC card, reader/writer,... Integrated circuit, non-contact IC card, reader/writer,...

2011-04-12

2011-04-12

Le, Thien M (Department: 2887)

Registers

Records

Conductive

C235S486000

Reexamination Certificate

active

07922092

ABSTRACT:
An integrated circuit, a non-contact IC card, a reader/writer, a wireless communications method, and a computer program are provided to improve communication. The integrated circuit configured to execute wireless communication by means of magnetic field. The integrated circuit has a resonance circuit having resonance frequencies of a plurality of levels, a confirmation block configured to confirm whether a predetermined condition is satisfied, and a switching block configured to change the resonance frequencies if the predetermined condition is found satisfied as a result of the confirmation.

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