Electromagnetic field adjustment for proximity detection

摘要

Embodiments described herein relate to a methods and apparatus for optimizing and calibrating a magnetic field generator. In various embodiments, the magnetic field generator includes a signal generator for outputting a voltage and a magnetic field generating circuit including a shunt that may be used to change a value of inductance in the magnetic field generating circuit. 6050898_1 (GHMatters) P85212.AU.1 MILESF EnK t $NrfflTflT H tO I ~H] Jfl J~ii 0 ________ '1 0 i~ U WI