Patent ID: 9335744
Filing Date: 2016-05-10
CPC Classification: G05B,G06K,H01Q

Claim Text:
1. A transponder, comprising: a first coil coupled to receive a wireless electromagnetic query signal, the first coil generates a first wired electrical incoming signal from the query signal; at least one additional coil coupled to receive the wireless electromagnetic query signal, the at least one additional coil generates a second wired electrical incoming signal from the query signal, wherein a first axis of the first coil and a second axis of the at least one additional coil having different spatial alignments, at least one full-wave rectifier, coupled to the first coil and the at least one further coil, the at least one full-wave rectifier generating a first rectified incoming signal and a second rectified incoming signal from the first and second wired electrical incoming signal; a comparator that compares a first peak associated with the first rectified incoming signal and a second peak associated with the second rectified incoming signal, the comparator identifies a larger peak between the first and second peaks.