An apparatus includes at least one first circuit configured to generate a first time-varying magnetic field for magnetic induction power transfer to a device, at least one second circuit configured to generate and/or receive a second time-varying magnetic field for magnetic induction data transfer to and/or from the device, and at least one third circuit configured to generate a third time-varying magnetic field in response to a time-varying electric current. The third time-varying magnetic field is configured to at least partially inhibit degradation of said data transfer from the first time-varying magnetic field. The apparatus further includes at least one fourth circuit configured to generate the time-varying electric current in response to a received portion of the first time-varying magnetic field.

A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.

A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.

A communication device is installed in a vehicle. The communication device includes: a first communication section communicating with an interior of a vehicle; a second communication section communicating with an exterior of the vehicle; and a controller carrying out control such that communication by the first communication section and communication by the second communication section do not overlap Due thereto, peaks in an amount of power consumed by the communication device can be suppressed, and compactness of a built-in battery that is provided in the communication device can be realized.

A communication device is installed in a vehicle. The communication device includes: a first communication section communicating with an interior of a vehicle; a second communication section communicating with an exterior of the vehicle; and a controller carrying out control such that communication by the first communication section and communication by the second communication section do not overlap Due thereto, peaks in an amount of power consumed by the communication device can be suppressed, and compactness of a built-in battery that is provided in the communication device can be realized.

A power reception device includes a power reception control circuit connected to respective terminals of a power reception coil and receiving power supply by a voltage generated between the respective terminals due to a magnetic field, a matching capacitor connected in parallel with the respective terminals of the power reception coil, and a switching element connected in series with the capacitor and connected to the power reception control circuit. The power reception control circuit includes: a detection unit that detects a change in the power reception control circuit in accordance with a change in intensity of a magnetic field received by the power reception coil; and a switch adjustment unit that adjusts a state of the switching element when the detection unit detects a change that is equal to or greater than a prescribed degree.

A power reception device includes a power reception control circuit connected to respective terminals of a power reception coil and receiving power supply by a voltage generated between the respective terminals due to a magnetic field, a matching capacitor connected in parallel with the respective terminals of the power reception coil, and a switching element connected in series with the capacitor and connected to the power reception control circuit. The power reception control circuit includes: a detection unit that detects a change in the power reception control circuit in accordance with a change in intensity of a magnetic field received by the power reception coil; and a switch adjustment unit that adjusts a state of the switching element when the detection unit detects a change that is equal to or greater than a prescribed degree.

Electronic apparatuses according to embodiments of the present technology may include an enclosure having a lid. The enclosure may define a first cavity and a second cavity, and may include an enclosure battery. The apparatuses may include a first enclosure wireless charging coil extending about the first cavity. The apparatuses may include a second enclosure wireless charging coil extending about the second cavity. The apparatuses may include a first earbud having a first earbud battery and a first earbud wireless charging coil operably coupleable with the first enclosure wireless charging coil for wireless charging of the first earbud battery. The apparatuses may include a second earbud having a second earbud battery and a second earbud wireless charging coil operably coupleable with the second enclosure wireless charging coil for wireless charging of the second earbud battery.

Electronic apparatuses according to embodiments of the present technology may include an enclosure having a lid. The enclosure may define a first cavity and a second cavity, and may include an enclosure battery. The apparatuses may include a first enclosure wireless charging coil extending about the first cavity. The apparatuses may include a second enclosure wireless charging coil extending about the second cavity. The apparatuses may include a first earbud having a first earbud battery and a first earbud wireless charging coil operably coupleable with the first enclosure wireless charging coil for wireless charging of the first earbud battery. The apparatuses may include a second earbud having a second earbud battery and a second earbud wireless charging coil operably coupleable with the second enclosure wireless charging coil for wireless charging of the second earbud battery.

A system and method for contextually aware charging of mobile devices. In accordance with an embodiment, the system comprises a base unit having one or more charger coils, for use in inductive charging; and one or more components within the base unit for providing context-aware connectivity and/or other capabilities with a mobile device. When a mobile device having one or more receiver coils or receivers associated with, is placed in proximity to the base unit, the charger coil is used to inductively generate a current in the receiver coil or receiver associated with the mobile device, to charge or power the mobile device, and at the same time the context-aware connectivity and/or other capabilities are initiated. In accordance with various embodiments, the base unit and/or the mobile device can adapt to a location or use model of interest to provide different functionalities, applications and features.