An inductive power outlet operable to transfer power to an inductive power receiver includes a driver wired to a primary inductive coil and operable to provide a driving voltage across the primary inductive coil. The primary inductive coil is configured to form an inductive couple having a characteristic resonant frequency with at least one secondary inductive coil wired to an electric load, the secondary inductive coil being associated with the inductive power receiver. The driving voltage oscillates at a transmission frequency substantially different from the characteristic resonant frequency of the inductive couple.

A wireless power transmission device for a vehicle is provided. A wireless power transmission device for a vehicle comprises: a magnetic field shielding sheet; at least one wireless power transmission antenna directly attached to one surface of the magnetic field shielding sheet; and at least one wireless communication antenna arranged at the same plane as the wireless power transmission antenna.

A device being a power receiver or power transmitter of a wireless power transfer system transfer powers via a power transfer signal: The device comprises power transfer coil (103, 107) for receiving or generating the power transfer signal and a communication antenna (207, 307) for communicating with the power receiver (105) or the power transmitter (101) via a communication signal. The communication antenna (207, 307) overlaps the power transfer coil (103, 107). A magnetic shielding element (503, 505) is positioned between the power transfer coil (103, 107) and the communication antenna (207, 307). A controller (201, 301) controls the device to perform power transfer during power transfer intervals and communication during communication time intervals, the power transfer intervals and communication time intervals being disjoint. The magnetic shielding element (503, 505) comprises a magnetic shield material arranged to operate in a saturated mode during power transfer intervals and in a non-saturated mode during communication time intervals.

A tablet stand is disclosed which incorporates a near field antenna configuration which couples to a near field antenna in the back of a tablet and provides a near field antenna coupling region for near field communication at the front of the tablet. The stand may be completely passive and use conductive antenna elements and passive resonance matching circuit elements to provide efficient coupling. In another aspect a thin profile passive keyboard adapted for use with a near field enabled tablet is provided. In another aspect a mounting bracket or holder, embedded antenna, and passive keyboard combination is provided adapted for converting a tablet into a notebook type configuration.

An inductive power transfer unit includes a winding unit for inductive power transfer during a power transfer operation, a flux guide, and an antenna. The antenna is arranged with the flux guide for generating or receiving an antenna signal during an auxiliary operation, wherein a compensation winding is arranged, such that the compensation winding compensates for an induced voltage and/or induced current in the antenna guide during the power transfer operation.

A wetmate connector for wirelessly communicating data or power signals between first and second components includes a first connector half which is mountable to the first component and a second connector half which is mountable to the second component. The first connector half includes a first internal cavity and a first wireless communications device which is positioned in the first internal cavity. The first wireless communications device is operable to transmit or receive wireless data and/or power signals, and the first internal cavity is sealed from an external environment at least when the first connector half is mounted to the first component. The second connector half includes a second internal cavity and a second wireless communications device which is positioned in the second internal cavity. The second wireless communications device is operable to transmit or receive wireless data or power signals, and the second internal cavity is sealed from the external environment at least when the second connector half is mounted to the second component.

A wireless device is provided and includes a substrate, a first coil and a second coil. The first coil is configured to be wound around a first axis, and the first coil is disposed on the substrate and is configured to operate in a wireless charging mode. The second coil is disposed on the substrate and configured to operate in a wireless communication mode. The wires of the second coil partially overlap the wires of the first coil.

The invention relates to a module for contactless inductive energy transfer, including a coil with a magnetic core for emitting or receiving electrical energy using inductive coupling, and a wireless communication device, the magnetic core having a hole forming a communication channel for signals from the wireless communication device.

A monitoring device for a system for measuring process variables, in particular in liquid analysis, which measuring system comprises a sensor (2) for recording a process variable and a contactless, inductive plug-in connection (5) between the sensor (2) and a cable (6) for preferably bidirectional transfer of digital signals between the sensor (2) and a remote transducer (7), the monitoring system comprising: a coupling device (17) that can be placed on the plug-in connection (5) and operates without contact to record the signals transferred via the plug-in connection (5), an evaluation device (21) for evaluating the recorded signals, and a display device (22) for presenting the evaluated signals.

A sensor system can include a sensor coil and a sensor coupled to the sensor coil. The sensor coil can include coil portions that generate signals based on magnetic coupling induced in the coil portions by a receiving coil device (e.g., a NFC tag) and magnetic distortion induced in the coil portions by magnetic coupling of a power transmitting unit (PTU). The sensor can reduce the magnetic distortion induced in the first and the second coil portions by the PTU, detect the receiving coil device based the first and the second signals, and control the PTU based on the detected receiving coil device.