A method for transmitting at least one of electrical power and signals between a wall and a leaf which can be pivoted relative to the wall. The method includes providing a transmission device, detecting a magnetic field strength in surroundings of the transmission device, and generating a fault signal when the magnetic field strength exceeds a threshold value.

A near field communication ring configured to be worn by a user is provided. The NFC ring may include at least one metal ring having a gap, a chip, and an antenna, wherein the chip and the antenna may be fixed to the at least one metal ring having a gap, and wherein the chip, using the antenna, is configured to provide a near field communication with an external device.

A package substrate includes a first metal layer, a second metal layer, isolation material containing the first and second metal layers, an isolation circuit, a first plurality of contact pads, and a second plurality of contact pads. The isolation circuit includes a first circuit element in the first metal layer and a second circuit element in the second metal layer and electrically isolated from the first circuit element by the isolation material. The first plurality of contact pads is adapted to be coupled to a first integrated circuit on the package substrate and includes a first contact pad coupled to the first circuit element. The second plurality of contact pads is adapted to be coupled to a second integrated circuit on the package substrate and includes a second contact pad coupled to the second circuit element.

A package substrate includes a first metal layer, a second metal layer, isolation material containing the first and second metal layers, an isolation circuit, a first plurality of contact pads, and a second plurality of contact pads. The isolation circuit includes a first circuit element in the first metal layer and a second circuit element in the second metal layer and electrically isolated from the first circuit element by the isolation material. The first plurality of contact pads is adapted to be coupled to a first integrated circuit on the package substrate and includes a first contact pad coupled to the first circuit element. The second plurality of contact pads is adapted to be coupled to a second integrated circuit on the package substrate and includes a second contact pad coupled to the second circuit element.

A multi-layer antenna for near-field communications can have a first layer on a top surface of flexible circuit board and a second layer on a bottom surface of the flexible circuit board. The first layer and the second layer can be connected in series by a through connection in the flexible circuit board. The first layer can incorporate a single loop in the shape of a rectangle and the second layer can incorporate a single loop in the shape of a rectangle. The second layer of the antenna can be vertically aligned with the first layer of the antenna and can have current flow in the same direction as the first layer to provide for an increased magnetic flux from the antenna.

In a first aspect of the present invention, a wireless power transmission link is proposed, which while substantially maintaining resonant coupling condition (resonance frequency of the source resonant circuit is substantially equal to the resonance frequency of the load resonant circuit) detects a coupling condition of the wireless power transmission link.

In a further aspect of the present invention, a wireless power transmission link is suggested, which while substantially maintaining resonant coupling condition (resonance frequency of the source resonant circuit is substantially equal to the resonance frequency of the load resonance circuit) controlling the operating state of the wireless power transmission link such, that the coupling condition of wireless power transmission link is substantially limited to the critical coupling condition.

Aspects of the subject disclosure may include, for example, a network termination includes a downstream channel modulator modulates downstream data into downstream channel signals to convey the downstream data via a guided electromagnetic wave that is bound to a transmission medium of a guided wave communication system. A host interface sends the downstream channel signals to the guided wave communication system and receives upstream channel signals corresponding to upstream frequency channels from the guided wave communication system. An upstream channel demodulator demodulates upstream channel signals into upstream data. Other embodiments are disclosed.

A connector includes a first antenna configured to transmit first signals in a first direction and with a first polarization, a second antenna coupled to the first antenna and configured to transmit second signals in a second direction that is parallel to the first direction and with a second polarization that is orthogonal to the first polarization, and a third antenna coupled to the first and second antennas and configured to transmit third signals in a third direction that is parallel to the first direction and with the first polarization, wherein the second antenna is positioned between the first and third antennas

Techniques for duplex communication and power transfer across an isolator are provided. In an example, a first transceiver coupled to a first side of an isolator can include a transmit modulator configured to receive first data and timing signals, to provide control signals to oscillate an output of the transceiver to transmit power and to order each half-cycle of an oscillation cycle of the output to transmit the first data. A second transceiver coupled to a second side of the isolator can include a receive detection circuit configured to compare a received oscillation cycle with a plurality of thresholds and to provide a plurality of comparator outputs indicative of reception of the positive half-cycle and the negative half-cycle, and a receive decoder configured to identify the order of half-cycles and to provide an output indicative of logic level of the first data.

Embodiments presented herein are generally directed to techniques that provide a medical device component with the ability to communicate in both the near-field and far-field via a single antenna arrangement. More specifically, a medical device component includes an electronics circuit, a coil driver, an antenna arrangement, and an isolation circuit. The isolation circuit operates to extract far-field signals received at the antenna arrangement and provide these signals to the electronics circuit. The electronics circuit is protected from near-field signals received at the antenna arrangement via the isolation circuit.