An antenna device includes a magnetic body and first and second antennas. The first coil antenna includes a first opening and is provided on a first main surface side of the magnetic body. The second coil antenna includes a second opening partially superposed with the first opening. The second coil antenna includes first and second coil conductor portions. The first coil conductor portions are provided on the first main surface side of the magnetic body. The second coil conductor portions are provided on a second main surface side of the magnetic body. The second coil conductor portions are closer to the first coil antenna than the first coil conductor portions.

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 antenna for transfer of information or energy is described. The antenna includes an electrically conductive first layer having a width in a thickness direction of the antenna and extending longitudinally along a length of the first layer between first and second longitudinal ends of the first layer, and an electrically insulative thermally conductive second layer bonded to the first layer along the length of the first layer. The first and second layers are wound to form a plurality of substantially concentric loops. A width and a length of the second layer are substantially co-extensive with the respective width and length of the first layer so as to expose opposing longitudinal edge surfaces of the first layer along the length of the first layer. Coils and assemblies useful for making coils are also described.

A contact-based inductive sensing technique for contextual interactions on interactive fabrics is described. The technique recognizes conductive objects (mainly metallic) that are commonly found in households and workplaces, such as keys, coins, and electronic devices. An apparatus includes an array of a plurality of six by six spiral-shaped coils including conductive thread, sewn onto a four-layer fabric structure. The coil shape parameters were determined based on maximizing the sensitivity based on a new inductance approximation formula. Through a ten-participant study, the performance of sensing technique across 27 common objects was evaluated. A 93.9% real-time accuracy for object recognition resulted.

An RFID tag substrate includes an insulating substrate that has a mounting region in which a semiconductor device is disposed, the mounting region being included in a first surface of the insulating substrate, and a coil that is positioned at an outer edge portion of the insulating substrate. The coil includes a plurality of first coil conductors and a plurality of second coil conductors that are wound such that the first coil conductors and the second coil conductors each have the same number of turns and such that a direction in which the first coil conductors are wound and a direction in which the second coil conductors are wound are opposite to each other. The first coil conductors and the second coil conductors are alternately arranged in a thickness direction of the insulating substrate and connected in series to one another.

A wireless communication module includes a controller configured to control wireless communication operations, an antenna module that includes a first antenna device, and a matching circuit configured to perform impedance matching between the controller and the antenna module, wherein the first antenna device includes a heat dissipating sheet with a first pattern that transceives wireless signals by detecting a surrounding magnetic flux.

An RFID module includes a laminated body including thermoplastic resin layers, a passive element defined by a conductor pattern on the thermoplastic resin layers, and an RFID IC chip embedded in the laminated body. The RFID IC chip and the conductor pattern are connected to each other by joining an input and output terminal of the RFID IC chip and a pad electrode, and an insulator pattern overlapping the pad electrode is provided around the RFID IC chip in the laminated body in planar view.

A shielded antenna (100) includes a spiral antenna (110) and a shield (120) disposed on the spiral antenna. The spiral antenna comprises a plurality of substantially concentric loops. The shield comprises a plurality of electrically isolated electrically conductive segments forming a regular pattern, such that in a top plan view, at least one segment overlaps a portion of at least two loops, and at least one pair of adjacent conductive segments defines an electrically insulative gap therebetween.

A terminal includes a printed circuit board, a conductive plate, a near field communication antenna matching circuit and a near field communication chip, where a slot is disposed in the conductive plate, the conductive plate is provided with an opening at an end of the slot, a through-hole is disposed in the conductive plate, the through-hole communicates with the slot, a first electrical contact and a second electrical contact are disposed on two sides of the slot, respectively. The first electrical contact and the second electrical contact are disposed between the end of the slot and the through-hole, at least one of the first electrical contact or the second electrical contact is coupled to the near field communication antenna matching circuit, and a current corresponding to the near field communication frequency is formed at a periphery of the slot and at a periphery of the through-hole.

The present disclosure provides an array substrate and a display device for reducing the space occupied by the antenna inside the mobile phone, so as to reduce the thickness of the mobile phone and make the mobile phone thinner and lighter. The array substrate according to the present disclosure includes dummy signal lines and a conductive portion. The dummy signal lines and the conductive portion are disposed in different layers. An insulating layer is disposed between the dummy signal lines and the conductive portion. A via is disposed on the insulating layer. The dummy signal line is connected to the conductive portion through the via. The dummy signal line and the conductive portion are used to form an antenna.