Invention Grant
US08098138B2 Tracking system using radio frequency identification technology 有权
跟踪系统采用射频识别技术

Tracking system using radio frequency identification technology
Abstract:
A tracking system determines the orientation of an object. A transceiver transmits a signal and detects responses from multiple transponders. A processing unit determines an orientation parameter of the object by comparing the responses from the multiple transponders.
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