发明名称 Optical disc
摘要 An optical disc includes an electromagnetic coupling module mounted therein. The electromagnetic coupling module includes a wireless IC chip and a feeder circuit substrate in which a feeder circuit including a resonant circuit having a predetermined resonant frequency is disposed. The electromagnetic coupling module is electromagnetically coupled to a reflective film defining a metal thin film of the optical disc, and the reflective film defines an antenna or radiation pattern of the electromagnetic coupling module.
申请公布号 US8228765(B2) 申请公布日期 2012.07.24
申请号 US201113295153 申请日期 2011.11.14
申请人 DOKAI YUYA;KATO NOBORU;KIMURA IKUHEI;MURATA MANUFACTURING CO., LTD. 发明人 DOKAI YUYA;KATO NOBORU;KIMURA IKUHEI
分类号 G11B11/00 主分类号 G11B11/00
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