In some embodiments, a radio frequency identification (RFID) system may include at least one Ultra High Frequency (UHF) antenna component, a conductive loop having a largest dimension that is smaller than the wavelength of radiation transmitted at a Microwave Frequency (MW). The conductive loop may define a gap and an RFID chip may be electrically coupled to the conductive loop. The conductive loop may be configured to be resonant at an Ultra High Frequency (UHF) and less resonant at Microwave Frequency (MW). The antenna component may be selected from the group consisting of a dipole antenna, a monopole antenna, a loop antenna, or a slot antenna.

A printed circuit board mechanically supports electrical and/or electronic components for an electronic smoking article. The board includes at least one flexible portion and at least one rigidized portion, wherein the flexible portion and the rigidized portion include a common flexible layer stack including at least one structured metal layer. The rigidized portion further includes at least one rigidizing layer stack including at least one structured metal layer, wherein the rigidizing layer stack is arranged on at least one surface of the common flexible layer stack. At least a part of the structured metal layer of the common flexible layer stack in the flexible portion is structured as an electromagnetic coil forming an NFC-antenna and at least a part of the respective structured metal layers of the common flexible layer stack and the rigidizing layer are structured for acting together as an electromagnetic induction coil suitable for wireless charging.

An electronic device for processing near-field communication signals includes first and second antenna connection terminals for connection to a near-field antenna, a linear load and a voltage clamp, each connected between said connection terminals. A current flowing through the linear load has a substantially linear, positive relationship with a voltage across the linear load, defining a conductance of the linear load. The conductance of the linear load is adjustable. The voltage clamp has an adjustable clamping voltage. The electronic device also includes a peak detector arranged to detect an amplitude of an incoming near-field communication signal across said antenna connection terminals, and a control circuit arranged to adjust the conductance of the linear load and the clamping voltage of the voltage clamp based on the amplitude detected by the peak detector, so as to regulate the voltage swing across the antenna connection terminals.

An electronic device for processing near-field communication signals includes first and second antenna connection terminals for connection to a near-field antenna, a linear load and a voltage clamp, each connected between said connection terminals. A current flowing through the linear load has a substantially linear, positive relationship with a voltage across the linear load, defining a conductance of the linear load. The conductance of the linear load is adjustable. The voltage clamp has an adjustable clamping voltage. The electronic device also includes a peak detector arranged to detect an amplitude of an incoming near-field communication signal across said antenna connection terminals, and a control circuit arranged to adjust the conductance of the linear load and the clamping voltage of the voltage clamp based on the amplitude detected by the peak detector, so as to regulate the voltage swing across the antenna connection terminals.

A multifunctional integrated module is provided. The multifunctional integrated module includes an antenna unit including heterogeneous antennas and a magnetic field shielding unit, disposed on one surface of the antenna unit, including a magnetic field shielding layer which includes shredded Fe-based alloy fragments and a dielectric filling at least a part of gaps between at least a part of some adjacent ones of the shredded Fe-based alloy fragments, to improve the characteristics of the antennas and condense a magnetic flux toward the antennas. According to this, although the functions are performed simultaneously, the respective functions are excellently expressed at the same time, and the durability can be ensured by preventing the deterioration of the function even with external physical shocks during use.

The present invention relates to a combo type antenna module capable of maximizing performance of all antennas while minimizing a thickness of the antenna module by laminating a magnetic sheet having different thicknesses according to an antenna pattern formed on a base sheet. The combo type antenna module includes: a first antenna pattern formed on one surface and the other surface of the base sheet; a second antenna pattern formed on one surface of the base sheet; and a magnetic member laminated on the other surface of the base sheet, wherein the magnetic member is formed so that a thickness of a region corresponding to the second antenna pattern is formed thicker than that of a region corresponding to the first antenna pattern.

A wireless module includes a substrate that includes a first portion, a second portion, and a first flexible portion connecting the first portion and the second portion to each other. The first portion includes a circuit element that is mounted on the first main surface and a circuit including at least the circuit element. The second portion includes a first coil connected to the circuit. The first portion and the second portion face each other. A magnetic sheet is disposed on a second main surface of the second portion, and a battery is disposed between the second main surface of the first portion and the magnetic layer.

A small antenna device having good communications performance and a wide communications area even when a metal plate is present in the antenna communications direction, even when the antenna is arranged, for example, inside a box-shaped metal case, and even when a through hole is used that has a smaller area than the antenna. This device comprises: the antenna (8); a rear surface cover (3) overlapping with the antenna (8) and being a conductor that faces the winding of the antenna (8); two first insulating areas (10a) provided in the rear surface cover (3) and extending in a direction that intersects the winding axis of the antenna (8); and a second insulating area (10b) that connects between the first insulating areas (10a). At least part of the area sandwiched by the first insulating areas (10a) faces the antenna (8).

A loop antenna array capable of forming a clear boundary of a communication area is provided. The loop antenna array includes three loop antennas, in which a direction of a current flowing through the loop antenna arranged in the middle and a direction of a current flowing through each of the loop antennas arranged on both sides of the loop antenna arranged in the middle are opposite from each other, and the sum of magnetic moments of the three loop antennas is zero.

A receiving antenna for wirelessly receiving data between a stator of a computed tomography (CT) imaging modality and a rotor of the CT imaging modality is provided. The rotor rotates about a rotational axis. The receiving antenna includes a dielectric portion and a conductive portion coupled to the dielectric portion. A second surface of the conductive portion extends between a first end and a second end along a conductive axis that is substantially perpendicular to the rotational axis. The second surface of the conductive portion has a first length at a first length location along a first length axis that is substantially parallel to the conductive axis. The second surface of the conductive portion has a second length at a second length location along a second length axis that is substantially parallel to the conductive axis. The first length is different than the second length.