Multi-mode identification system
作者： Michael L. Beigel , Robert E. Malm , Nathaniel Polish
DOI:
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摘要: A multi-mode identification system is comprised of readers and tags wherein a reader (100) in the proximity inductively coupled to tag (200) interrogates obtains response from accordance with specified process if belongs certain class tags. The consists an code unique together data supplied by sensors (270, 275) incorporated within (200). Communication between accomplished establishing reversing magnetic field vicinity varying its absorption power information be transmitted. detects these variations extracts transmitted
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