A transmitter device in an inductive energy transfer system includes a first transmitter coil
operatively connected to a first resonant circuitry. A receiver device includes a first receiver …

An inductive power transmission system electromagnetic field shielding apparatus includes
an enclosure. The enclosure is configured to surround an electronic device and an inductive …

A transmitter device is configured to transfer energy to multiple receiver devices. The
transmitter device includes multiple transmitter coils, and a shared power converter is …

A wireless transmitter device is configurable and operable to transfer energy to multiple
receiver devices at the same time. The transmitter device is configured to enable one or …

A first electronic device includes a first coil that is operative in at least two modes. In a first
mode, the first coil may be utilized to moves a membrane to produce one or more sound …

(57) ABSTRACT A wireless power system includes an electrically-balanced inductor in a
transmitter device and an electrically-balanced inductor in a receiver device. The electrically …

A wireless transmitter device is configurable and operable to transfer energy to multiple
receiver devices at the same time. The transmitter device is configured to enable one or …

A wireless transmitter device is configurable and operable to transfer energy to multiple
receiver devices at the same time. The transmitter device includes at least one layer of …

a tuning-matching network is also typically used to at least substantially match the inherent
impedance of a near-field sensor's probe to that of its driving power amplifier over a limited …

A transmitter device is configured to transfer energy to multiple receiver devices. The
transmitter device includes multiple transmitter coils, and a shared power converter is …