发明名称 |
Non contact data communication between transponder built in form of integrated circuit chip cards and using an ac field effect fro field generator |
摘要 |
The system has a field generator (3) that has a transmission coil that outputs an ac field (4) that is applied to the chip cards (1,2). The field results in data being transferred between the cards. The system may be expanded to use multiple chip cards and several field devices. |
申请公布号 |
DE10221451(A1) |
申请公布日期 |
2003.11.27 |
申请号 |
DE2002121451 |
申请日期 |
2002.05.15 |
申请人 |
PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH |
发明人 |
DREWS, STEFFEN;RIEMSCHNEIDER, KARL-RAGMAR |
分类号 |
E05B49/00;G06K7/00;G06K7/08;G06K7/10;G06K19/07;H04B1/59;H04B5/02;(IPC1-7):H04B1/59;F24C7/08 |
主分类号 |
E05B49/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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