发明名称 INFORMATION CARRIER DRIVE DEVICE PROVIDED WITH A DOUBLE ANTENNA
摘要 An apparatus is provided for reading an information carrier (1) which has an integrated circuit (21) and an antenna (22) coupled to the integrated circuit. The apparatus has communication means to establish communication between the integrated circuit on the disc and the apparatus. The communication means has two antennas (66,67): one which can communicate with the integrated circuit on the disc when the disc is loaded in the apparatus and one which provides communication between the apparatus and the integrated circuit on the information carrier when the disc is in the vicinity of the apparatus.
申请公布号 KR20050025585(A) 申请公布日期 2005.03.14
申请号 KR20057000198 申请日期 2005.01.05
申请人 KONINKLIJKE PHILIPS ELECTRONICS N.V. 发明人 KAHLMAN, JOSEPHUS A.H.M
分类号 G11B33/12;G06F1/00;G11B23/00;G11B23/03;G11B23/087;G11B23/30;G11B27/11;(IPC1-7):G01F1/00;G11B20/10 主分类号 G11B33/12
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