Game chip

Details Game chip Game chip

2005-12-15

2008-12-02

Mancuso, Huedung (Department: 2821)

Communications: radio wave antennas

Antennas

Including magnetic material

Reexamination Certificate

active

07460079

ABSTRACT:
The present invention relates to the technology of recognizing and reading each game chip although game chips are stacked. The present invention is a game chip storing data readable by a reader/writer having an antenna which emits an electromagnetic wave and available in a stack of game chips, and includes: an IC device for communicating data at a request from the reader/writer, an antenna coil which is connected to the IC device, gets into electromagnetic coupling with an antenna of the reader/writer, can provide electric power to the IC device, is configured to enter a resonant state through an electromagnetic wave, and can transfer data to the reader/writer by load modulation, and a booster coil for configuring a resonant circuit by electromagnetic coupling through an electromagnetic wave from the reader/writer.

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patent: 5651548 (1997-07-01), French et al.
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patent: 2006/0068878 (2006-03-01), Krenn et al.
patent: 2007/0197299 (2007-08-01), Miller et al.
patent: 1 455 302 (2004-09-01), None
patent: 2003-085504 (2003-03-01), None
patent: 2003-196634 (2003-07-01), None
patent: 2004-021648 (2004-01-01), None

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