KEYBOARD INTEGRATED NFC ANTENNA

摘要

A metal baseboard with a planar shape which is placed close to a Near Field Communication (NFC) radio antenna may be configured with a number of slots in the metal. These slots may disrupt the eddy current that would otherwise be induced in the metal by magnetic emissions emanating from the NFC antenna. The reduction in eddy current that results from these slots may reduce the severe attenuation of the signal that would otherwise be caused by the metal. In general, each slot may run approximately perpendicular to the direction of the expected eddy current. This may be approximated by having many of the slots each run perpendicular to the nearest part of the antenna wiring.