One example discloses a near-field wireless communications device, including: a near-field antenna; a near-field noise detector coupled to receive a first set of near-field signals from the near-field antenna; wherein the near-field noise detector is configured to identify a set of attributes of the near-field noise within the first set of near-field signals; a controller configured to generate at least one synchronization signal based on at least one of the attributes of the near-field noise; and a transmitter circuit configured to transmit a second set of near-field signals in response to the synchronization signal.

In a method for reducing the amount of ambient radio frequency electromagnetic and pulsating magnetic fields (“electrosmog”), resonance circuit units placed in a predetermined environment are energized by radio frequency electromagnetic and pulsating magnetic field energy transmitted to the resonance circuits by an electromagnetically connected antenna, at least a portion of energy is consumed as resonance circuit loss, reducing the amount of the ambient fields. An apparatus implementing the method comprises passive resonance circuits formed by an antenna comprising logarithmic spiral coils with identical or different pitches and passive resonance circuits formed by opposite logarithmic spiral coil panels, the resonance circuits are connected to each other and to the antenna by electrically conductive spacers, a shielding metal plate connected to ground potential is arranged adjacent to the antenna, latter is coaxial with the resonance circuit panels, which are also connected to each other via a supply line.

A magnetic alignment system can include a primary annular magnetic alignment component and a secondary annular magnetic alignment component. The primary alignment component can include an inner annular region having a first magnetic orientation, an outer annular region having a second magnetic orientation opposite to the first magnetic orientation, and a non-magnetized central annular region disposed between the primary inner annular region and the primary outer annular region. The secondary alignment component can have a magnetic orientation with a radial component.

An example method is performed at a near-field charging pad with a processor, a power-transferring element, a signature-signal-receiving circuit, and the processor of the near-field charging pad is in communication with a data source that includes predefined signature signals that each identify one of (i) a wireless power receiver, (ii) an object other than a wireless power receiver, and (iii) a combination of a wireless power receiver and an object other than a wireless power receiver. The method includes: after sending a plurality of test radio frequency (RF) power transmission signals, detecting, using the signature-signal-receiving circuit, respective amounts of reflected power; generating, based on variations in the respective amounts of reflected power, a signature signal; and determining whether (i) an authorized wireless power receiver is present on the near-field charging pad and/or (ii) an object other than a wireless power receiver is present on the near-field charging pad.

The invention concerns a locking mechanism (10) configured to switch from a locked state to an unlocked state, comprising: a. a processor (11) configured to read an identification code of an identification key (13) and configured to cause the locking mechanism (10) to switch from the locked state to the unlocked state if the identification code of the identification key (13) is an authorized code of the locking mechanism (10), b. a printed circuit board (14) in a first plane comprising an aperture (15) configured to accept insertion of the identification key (13) according to a first axis (Y) secant to the printed circuit board (14), the identification key (13) comprising a NFC passive part (16), c. a NFC active part comprising a wire antenna (18) positioned on the printed circuit board (14), the wire antenna (18) comprising a first at least one winding around the aperture (15), the wire antenna being connected to the processor (11),

wherein the locking mechanism is configured to establish a NFC communication between the NFC active part of the locking mechanism and the NFC passive part (16) of the identification key (13) when the identification key (13) is inserted into the aperture (15).

A magnetic alignment system can include a primary annular magnetic alignment component and a secondary annular magnetic alignment component. The primary alignment component can include an inner annular region having a first magnetic orientation, an outer annular region having a second magnetic orientation opposite to the first magnetic orientation, and a non-magnetized central annular region disposed between the primary inner annular region and the primary outer annular region. The secondary alignment component can have a magnetic orientation with a radial component.

In an exemplary process for interacting with user interface objects using an eye gaze, an affordance associated with a first object is displayed. A gaze direction or a gaze depth is determined. While the gaze direction or the gaze depth is determined to correspond to a gaze at the affordance, a first input representing user instruction to take action on the affordance is received, and the affordance is selected responsive to receiving the first input.

In various embodiments, an electronic device may include: a housing including an inner space, and a first antenna structure disposed in the inner space of the housing, the first antenna structure including: a dielectric substrate, at least one first conductor disposed in a first area of the dielectric substrate, and at least one second conductor disposed in a second area of the dielectric substrate extending from the first area of the dielectric substrate. The electronic device may further include at least one third conductor capacitively coupled with the at least one second conductor, a first wireless communication circuit configured to transmit and/or receive a signal of a first frequency band through the at least one first conductor, and a second wireless communication circuit configured to transmit and/or receive a radio signal of a second frequency band through the at least one second conductor and the at least one third conductor.

A wireless device system employs short-range wireless communication to require the proximity of a user device to a defined area prior to communicating a request or notification to the wireless user device. The system authenticates a request and the proximity of the user to or within the defined area prior to transmitting a command, request, or notification to the user or a third party. Additionally, the system uses an access node configured to shape the radiation pattern of short-range wireless communications to better determine the position of a user proximate in or around a defined area.

A method and system for conducting an online payment transaction through a point of sale device. The method includes receiving input from a user selecting an item for purchase through the point of sale device; calculating a total purchase amount for the item in response to a request from the user to purchase the item; and sending payment authorization for the total purchase amount from the point of sale device to a payment entity, in which the payment authorization is sent to the payment entity via a mobile communication device of the user. The method further includes receiving a result of the payment authorization from the payment entity through the mobile communication device; and completing the payment transaction based on the result of the payment authorization.