An electronic device includes a power supply, such as a battery, configured to supply a power supply voltage. The device further includes a controllable voltage converter circuit configured to generate a control voltage based on the power supply voltage. A near-field communication device is included that has at least one antenna configured to emit an electromagnetic field having a power that is controllable by the control voltage. The electronic device further includes a temperature measuring device configured to measure a temperature. The controllable voltage converter circuit is configured to modify a value of the control voltage based on the measured temperature.

The present invention relates to a biosignal monitoring device, comprising: a biosignal sensing patch which is attached to a skin and detects biosignals; and a monitoring patch which receives data sensed by the biosignal sensing patch and transmits the same to an external device, wherein the biosignal sensing patch comprises a sensor which is inserted into a skin and detects biosignals, a memory for storing data outputted from the sensor, and a short-range communication unit for receiving the data stored in the memory, and wherein the monitoring patch comprises an adjacent receiving unit for receiving data transmitted from the short-range communication unit of the biosignal sensing patch, and a transmission unit for transmitting the received data to an external device. In addition, the biosignal sensing patch transmits the data when the monitoring patch approaches or contacts the same, and the monitoring patch transmits, to an external device, the data received from the biosignal sensing patch.

The disclosure describes a methodology for wireless power transmission This methodology may be performed at a wireless power transmitter that includes at least two wireless-power-transmitting antennas and at least one data-receiving antenna, and the methodology includes defining a wireless charging area at a range of distance away from the transmitter; obtaining, via the at least one data-receiving antenna, data included in a signal received from a wireless power receiver; and determining a location of the wireless power receiver based upon the data included in the signal received from the wireless power receiver. In response to determining that the location of the receiver is within the wireless charging area, the method includes transmitting, via the at least two wireless-power-transmitting antennas, radio frequency power waves that: constructively interfere within the wireless charging area at the location of the receiver; and destructively interfere to form a null-space outside of the wireless charging area.

A sensor system including an implantable sensor and an external transceiver. Aspects of the sensor system may provide improved implantation and antenna orientation of the implanted sensor. The sensor may include a sensor antenna, the transceiver may include a transceiver antenna. In some embodiments, the sensor antenna and/or transceiver antenna may include a first set of coils oriented in a first plane and a second set of coils oriented in a second plane that is different than the first plane. In some embodiments, the sensor may have a geometry that will prevent or reduce movement and/or rotation of the implanted sensor. For instance, in some embodiments, the sensor may be enclosed in silicon that contains antenna coils and/or include wings, a fluid filled sack, a swelling material, an expansion material, and/or arms.

A communication apparatus that communicates with another communication apparatus by coupling using at least one of an electric field and a magnetic field, the communication apparatus includes a coupling conductor configured to transmit or receive a signal by the coupling, a ground conductor configured to have a potential substantially equivalent to a reference voltage of the signal, and a power supply path configured to be connected to the coupling conductor and disposed between the coupling conductor and the ground conductor, wherein the ground conductor is smaller in area than the coupling conductor.

A communication apparatus that communicates with another communication apparatus by coupling using at least one of an electric field and a magnetic field, the communication apparatus includes a coupling conductor configured to transmit or receive a signal by the coupling, a ground conductor configured to have a potential substantially equivalent to a reference voltage of the signal, and a power supply path configured to be connected to the coupling conductor and disposed between the coupling conductor and the ground conductor, wherein the ground conductor is smaller in area than the coupling conductor.

An energy harvesting switch is disclosed. The energy harvesting switch includes a magnet, a coil, and a mechanical switch. The manipulation of the mechanical switch causes the magnet to move with respect to the coil and generate an amount of energy. The energy harvesting switch also includes a transmitter configured to use the generated amount of energy to transmit a signal to at least one component coupled with a vehicle, the signal configured to cause a change to at least one characteristic of the at least one component.

The present disclosure describes a methodology for wireless power transmission based on pocket-forming. This methodology may include one transmitter and at least one or more receivers, being the transmitter the source of energy and the receiver the device that is desired to charge or power. The transmitter may identify and locate the device to which the receiver is connected and thereafter aim pockets of energy to the device in order to power it. Pockets of energy may be generated through constructive and destructive interferences, which may create null-spaces and spots of pockets of energy ranged into one or more radii from transmitter. Such feature may enable wireless power transmission through a selective range, which may limit operation area of electronic devices and/or may avoid formation of pockets of energy near and/or over certain areas, objects and people.

A receiver exposed to a magnetic field with a specified carrier frequency in the RF frequency area and configured to extract an internal clock signal for processing of data with a receiver IC. The receiver includes an antenna configured to receive an antenna signal and a tuning circuit and configured to provide a first received signal at a first pin of the receiver IC and a second receiver signal at a second pin of the receiver IC. The receiver IC includes a harvesting stage configured to rectify a differential received signal provided between the first pin and the second pin of the receiver IC and configured to provide a supply voltage referenced to a ground potential for the receiver IC, and a clock extraction stage configured to provide a first threshold level to switch the internal clock signal with a rectangular signal shape between high and low potential.

A receiver exposed to a magnetic field with a specified carrier frequency in the RF frequency area and configured to extract an internal clock signal for processing of data with a receiver IC. The receiver includes an antenna configured to receive an antenna signal and a tuning circuit and configured to provide a first received signal at a first pin of the receiver IC and a second receiver signal at a second pin of the receiver IC. The receiver IC includes a harvesting stage configured to rectify a differential received signal provided between the first pin and the second pin of the receiver IC and configured to provide a supply voltage referenced to a ground potential for the receiver IC, and a clock extraction stage configured to provide a first threshold level to switch the internal clock signal with a rectangular signal shape between high and low potential.