发明名称 |
Machine-readable tag, selectable extension antennas for use therewith, and display structure having such tag |
摘要 |
An intelligent antenna system for extending the effective communication range of a machine-readable passive tag. The system includes intelligence that allows one of a plurality of extension antennas to be active at any given time in order to both facilitate communications and safeguard the system. The machine-readable tag and antenna system may be embedded in a structure. In a further embodiment, the system may include multiple passive tags that are active in correspondence to a display or advertisement currently being exhibited. The system includes means for operatively coupling a designated machine-readable tag to the embedded antenna network previously described.
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申请公布号 |
US7280045(B2) |
申请公布日期 |
2007.10.09 |
申请号 |
US20050151310 |
申请日期 |
2005.06.14 |
申请人 |
NOKIA CORPORATION |
发明人 |
SAARISALO MIKKO;VIITANIEMI PEKKA K. |
分类号 |
G08B13/14 |
主分类号 |
G08B13/14 |
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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