Provided is a heat radiation unit for radiating heat generated during operation of a wireless power transmitting or receiving device and includes a plurality of thermally conductive metal layers stacked in two or more layers and an adhesive layer for attaching the thermally conductive metal layers, to prevent lowering of the charging efficiency and improve the heat radiation performance.

An auxiliary antenna is provided that enables communication between a small antenna of an RFID tag and an antenna of a reader device without using a small antenna as the antenna of the reader device. The auxiliary antenna is an auxiliary antenna configured to expand a communication range of an antenna of an RFID tag to enable communication between the small antenna included in the RFID tag and an antenna included in a reader device. The auxiliary antenna includes a resonance loop group in which a plurality of resonance loops having a resonance frequency corresponding to a communication frequency is arranged to be coupled through a magnetic field. Moreover, the resonance loop group has an antenna area larger than the antenna area of the antenna of the RFID tag and equivalent to or larger than the antenna area of the antenna of the reader device.

Embodiments relate generally to systems and methods for collecting and communicating sensed data. A communication system may comprise a mobile device comprising a wireless communication module; and at least one sensor device located within a work area configured to monitor characteristics of the surrounding environment, wherein the sensor device comprises a controller; one or more sensors; a wired output configured to communicate sensor data from the one or more sensors via a wired connection; and a wireless interface comprising an antenna configured to communicate with the wireless communication module of the mobile device, wherein the mobile device is operable to receive and process the information received from the at least one sensor device. The antenna may at least partially extend from a housing of the sensor device. In some embodiments, the mobile device may not directly communicate with the central server.

An electronic device includes a first antenna pattern for a first communication network and a first communication circuit configured to perform communication through the first antenna pattern. The electronic device also includes an electrical component situated at an upper part of the electronic device and a circuit board that is attached to a rear surface of the electrical component. The first antenna pattern is arranged on the circuit board facing toward a rear surface of the electronic device.

An antenna module includes a magnetic body portion made of a ferrite sheet, a first pattern portion directly formed on one surface of the magnetic body portion and including a first pattern and a first plating layer stacked thereon, a second pattern portion directly formed on the other surface of the magnetic body portion and including a second pattern and a second plating layer stacked thereon, and a via hole formed through the magnetic body portion and having a connection member for electrically connecting the first pattern portion and the second pattern portion formed therein. The first pattern portion and the second pattern portion are formed directly on the magnetic body portion without a substrate portion. Thus, the thickness is reduced by the amount of the thickness of the substrate portion.

The present invention relates to a device for transmitting data and, particularly, to a device for transmitting data by using a magnetic stripe method. According to one embodiment of the present invention, the magnetic stripe data transmission device comprises: a coil to which a current is supplied in a first direction and a second direction, which is opposite to the first direction; a core for inducing a magnetic field when the current is supplied to the coil; a power source for supplying the current to the coil; driving units for intermittently supplying, to the coil, in the first direction or the second direction, a burst pulse or pseudo-burst pulse current supplied from the power source; and a control unit for outputting, to the driving units, a control signal in order to perform control such that the current is supplied to the coil alternately in the first direction and the second direction, wherein the core can be made of a material having an aspect ratio value of at least 0.5, having a coercivity value of 1000-10,000 [A/m], and having pseudo-hard magnetic density of which the saturated magnetic flux density value is at least 1 [T].

Disclosed is an antenna module for near field communication, which stacks laminates on which a vertical winding radiation pattern and a horizontal winding radiation pattern are formed, respectively, thereby improving communication performance on the side surface and one surface of a portable terminal while minimizing a mounting space. The disclosed antenna module for near field communication includes a first magnetic member; a vertical winding radiation pattern winding the outer circumference of the first magnetic member; a second magnetic member stacked on the lower surface of the first magnetic member; a horizontal winding radiation pattern formed on one surface of the second magnetic member; a dielectric stacked on the lower surface of the second magnetic member; and a terminal portion formed on the dielectric to be connected to at least one of the vertical winding radiation pattern and the horizontal winding radiation pattern.

An electronic device is provided. The electronic device includes a cover glass, a rear cover which faces away from the cover glass, and a plurality of communication devices that are interposed between the cover glass and the rear cover. Each of the plurality of communication devices comprises a printed circuit board (PCB), an antenna array positioned at the PCB, a dielectric substance positioned on one surface of the antenna array, a conductor positioned on an opposite surface of the antenna array, and a communication circuit electrically connected with the antenna array. The communication circuit is configured to feed the antenna array and transmit/receive a signal in a specified frequency band based on an electrical path formed through the antenna array.

A device for activating a vehicle function. The device being intended to be housed on board a vehicle and includes at least one ultra-wideband communication antenna and at least one near-field communication antenna in order to communicate with an item of portable equipment carried by a user. The function being activated based on a location of the item of equipment with respect to the vehicle and on an authentication of the item of equipment. The windings of the near-field communication antenna delimit a perimeter of a receptacle in which the ultra-wideband communication antenna is located.

A near field communication (NFC) antenna includes a carrier having a base and a support ring extending from the base. The support ring surrounds a central bore. The central bore is open through the carrier between a top of the carrier and a bottom of the carrier. The NFC Antenna includes an antenna element coupled to the carrier. The antenna element includes a conductor arranged as a cylindrical coil. The cylindrical coil extends along the support ring and surrounds the central bore.