Patent ID: 9031502
Filing Date: 2015-05-12
Classification: H04B

Abstract:
1. An antenna module configured to facilitate wireless power transfer (WPT) and near field communication (NFC) in a WPT/NFC enabled communication device, comprising: an inductive coupling element configured to resonate at a WPT frequency suitable for WPT communication and an NFC frequency suitable for NFC communication; a resonant circuit configured to tune the inductive coupling element to the WPT frequency or the NFC frequency, wherein when placed in a first magnetic field at the WPT frequency indicative of a WPT communication signal, the resonant circuit is configured to tune the inductive coupling element to approximately the WPT frequency such that a first current is induced in the antenna module indicative of the WPT communication signal; and wherein when placed in a second magnetic field at the NFC frequency indicative of an NFC communication signal, the resonant circuit is configured to tune the inductive coupling element to approximately the NFC frequency such that a second current is induced in the antenna module indicative of the NFC communication signal.