An electronic device has a substrate and first and second metallization levels with a resonant circuit. The first metallization level has a first dielectric layer on a side of the substrate, and a first metal layer on the first dielectric layer. The second metallization level has a second dielectric layer on the first dielectric layer and the first metal layer, and a second metal layer on the second dielectric layer. The electronic device includes a first plate in the first metal layer, and a second plate spaced apart from the first plate in the second metal layer to form a capacitor. The electronic device includes a winding in one of the first or second metal layers and coupled to one of the first or second plates in a resonant circuit.

The present invention relates to a battery module for wireless exchange of data and power between the battery module and another device of a system, in particular of a patient monitoring system, to which said battery module is coupled. The battery module comprises a sealed housing (93), a battery unit (91) for storing electrical energy, a data storage unit (94) for storing data, and a connector (95). Said connector comprises a data transmission unit (96) for transmitting data to and/or receiving data from another device of the system having a counterpart connector and a magnetic coupling unit (92), separate from the transmission unit (96), for transmitting power to and/or receiving power from another device of the system having a counterpart connector by use of inductive coupling. The battery module is configured for mobile use and for coupling with different devices of the system.

A measuring device which detects a parameter includes at least one communication device which is arranged for wireless short-range communications with a mobile operating device. The communication device includes one or more two-dimensionally formed coil elements arranged for electromagnetic coupling with at least one coil element of the operating device. At least two regions are provided on a coil element or on different coil elements of the communication device, which have a different normal vector.

A transcutaneous energy transfer system (TETS) that includes external and internal coils that have permeable cores is provided. According to one aspect, the TETS includes an external coil having disposed in proximity thereto, a first set of at least one permeable core that is wound by windings of the external coil. The TETS also includes an internal coil having disposed in proximity thereto, for each permeable core disposed in proximity to the external coil, a corresponding permeable core that is wound by windings of the internal coil.

A communication apparatus that comprises a second coupler to be coupled to a first coupler of a different communication apparatus by electric field coupling and/or inductive coupling, a termination resistor connected to the second coupler and having a resistance value larger than a predetermined value is provided. The communication apparatus receives a signal comprising (i) an output signal that is output from the second coupler in response to input of a transmitted signal to the first coupler, (ii) a signal obtained by performing amplification processing on the output signal, or (iii) a signal obtained by shaping, via a comparator, a signal obtained by performing amplification processing on the output signal, and processes the received signal as a signal that is obtained by reproducing the transmitted signal.

Wireless power transfer systems, disclosed, include one or more circuits to facilitate high power transfer at high frequencies. Such wireless power transfer systems include a damping circuit, configured to dampen a wireless power signal such that communications fidelity is upheld at high power. The damping circuit includes at least a damping transistor that is configured to receive, from the transmitter controller, a damping signal for switching the transistor to control damping during transmission of the wireless data signals. Utilizing such systems enables wireless power transfer at high frequency, such as 13.56 MHz, at voltages over 1 Watt, while maintaining fidelity of in-band communications associated with the higher power wireless power signal.

A wireless power transmission system includes a transmitter antenna, a sensor, a demodulation circuit, and a transmitter controller. The sensor is configured to detect electrical information indicative of data signals encoded in the transmission by a receiver. The demodulation circuit is configured to apply automatic bias control and gain control to the electrical information to generate a modified electrical information signal, detect a change in the modified electrical information signal, and generate alerts based on said change, indicative of the data signals. The transmitter controller is configured to perform a beaconing sequence to determine a coupling between the transmitter antenna and the at least one other antenna, determine the automatic bias control and the automatic gain control, for the demodulation circuit based on the beaconing sequence, receive the plurality of data alerts from the demodulation circuit, and decode the plurality of data alerts into the wireless data signals.

A wireless receiver and transmission systems include a receiver antenna, a sensor, a demodulation circuit, and a controller. The sensor is configured to detect electrical information superimposed on an AC wireless signal. The demodulation circuit is configured to receive the electrical information from the at least one sensor, apply automatic bias control and gain control to generate modified electrical information, detect a change in the modified electrical information and determine if the change in the modified electrical information meets or exceeds one of a rise threshold or a fall threshold. If the change exceeds one of the rise threshold or the fall threshold, an alert is generated. Alerts are decoded into the electrical information.

A wireless power receiver includes a power pickup configured to receive a wireless power from a wireless power transmitter, and a communicator/controller configured to control the wireless power. The wireless power receiver transmits, to the wireless power transmitter during a configuration phase, a configuration packet including an AI flag related to whether the wireless power receiver supports an authentication function, receives, from the wireless power transmitter during a negotiation phase, a capability packet including an AR flag and a potential power value of the wireless power transmitter, wherein the AR flag is related to whether the wireless power transmitter supports the authentication function, and performs a power transfer phase with the wireless power transmitter. The wireless power receiver transmits, to the wireless power transmitter during the power transfer phase, an authentication request message, and receives, from the wireless power transmitter during the power transfer phase, an authentication response message.

A thin, flexible antenna module is provided for use in a smartphone. When the antenna module is assembled in the smartphone, the antenna module provides an MST antenna and an NFC antenna. For this, the antenna module includes a flexible PCB containing coils and further includes a magnetic sheet engaged with flexible PCB. The flexible PCB and the magnetic sheet are attached to each other to form a single body.