CPC H02J 50/90 (2016.02) [H02J 50/12 (2016.02); H02J 50/80 (2016.02)] | 17 Claims |
1. An alignment device comprising:
a coil configured to generate an induced voltage from a magnetic field, or an electrode configured to generate an induced voltage from an electric field, the coil or electrode forming part of a field detection unit (FDU); and
a comparator configured to compare the induced voltage to a threshold voltage and activate an indicator based on the comparison,
wherein the alignment device comprises a plurality of FDUs, each FDU comprising an individual coil configured to generate an induced voltage from a magnetic field, or an individual electrode configured to generate an induced voltage from an electric field, and
wherein each FDU is identical.
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