Patent ID: 9093215
Filing Date: 2015-07-28
Classification: H01F,H02J,H03F,H04B

Abstract:
1. A transmitter for transferring power wirelessly, comprising: a first circuit configured to generate a first signal, the first circuit comprising a first inductor; a second circuit configured to generate a second signal out of phase with the first signal, the second circuit comprising a second inductor inductively coupled with the first inductor, the first inductor and the second inductor sharing a node, the first inductor and the second inductor having a leakage inductance of at least a minimum value that is sufficient to produce a signal different from a substantially square waveform at an output of the first circuit and at an output of the second circuit; and a filter circuit configured to filter the first signal and the second signal, an output of the filter circuit configured to drive a load.