Abstract: The present invention provides a glass fiber board comprising a glass fiber and an inorganic binder, wherein the inorganic binder comprises an aluminum phosphate. The present invention provides a method for preparing the glass fiber board comprising (a) preparing an inorganic binder solution comprising an aluminum phosphate (b) applying the inorganic binder solution comprising the aluminum phosphate to a glass fiber; (c) compressing the glass fiber to which the inorganic binder solution comprising the aluminum phosphate is applied; and (d) drying the compressed glass fiber.

Abstract: Technologies are generally described for identifying whether a propagation path between a mobile device and an access point is line-of-sight. In some examples, a method performed under control of a mobile device may include receiving, from an access point, a first signal transmitted at a first frequency band; receiving, from the access point, a second signal transmitted at a second frequency band; measuring a difference value between propagation properties of the first signal and the second signal; and identifying whether a propagation path between the mobile device and the access point is line-of-sight or non-line-of-sight based at least in part on the difference value.

Abstract: Disclosed herein are a RF resonator, a RF coil, and a magnetic resonance imaging (MRI) apparatus. The RF resonator includes a dielectric substance which is provided, on one surface thereof, with an electric conductor, and at least one conductor line which is installed on another surface of the dielectric substance so as to face the electric conductor and provided with a plurality of open-cut portions which are disposed in a plurality of rows.

Abstract: A method for setting connection between an access point and a station is provided. A method includes transmitting, by a station management entity, to a MAC layer management entity included in the station, information about a reception condition for a communication setup message transmitted by the access point and information about a reporting timing of the communication setup message by the MAC layer management entity to the station management entity when the MAC layer management entity receives the communication setup message, and adjusting, by the MAC layer management entity, a transmission timing of the communication setup message to the station management entity according to information about a connection priority requirement included in the communication setup message received by the MAC layer management entity from the access point, and the information about the reporting timing.

Abstract: Technologies are generally described for activation of actuators based on sensed user characteristics, such as orientation. In some examples, an access control system may be configured to activate an actuator upon determining that an activation device is both in proximity to and has a similar orientation to the actuator. The access control system may be configured to determine orientation similarity by determining an orientation associated with the activation device, determining an orientation associated with the actuator, and comparing a difference between the two orientations to an activation threshold. The actuator may be associated with an entryway such as a building doorway, a room doorway, or a vehicle door, or may be associated with a container such as a safe or vehicle trunk.

Abstract: An electric machine includes a rotor, a first and second stator, a first and second plurality of permanent magnets, a first and second winding, a third and fourth winding. The first stator and the second stator are mounted axially relative to the rotor. A first permanent magnet and a second permanent magnet of the first plurality of permanent magnets have opposite polarities. A first permanent magnet and a second permanent magnet of the second plurality of permanent magnets have opposite polarities. The first winding, the second winding, the third winding, and the fourth winding are connected in series. An absolute value of an angle offset between the first winding and the third winding and between closest poles of the first plurality of poles and the second plurality of poles is 180 electrical degrees.

Abstract: Disclosed herein is a flooring material including: a plasticizer; fibers comprising at least one type of inorganic fibers or at least one type of organic fibers; and a thermoplastic resin. The fibers have an alignment. In addition, a method for manufacturing a flooring material is also disclosed. The method includes preparing a first mixture by mixing a liquid plasticizer with fibers comprising at least one type of inorganic fibers or at least one type of organic fibers; preparing a second mixture in which the fibers are dispersed in the liquid plasticizer by agitating the first mixture; preparing a third mixture by mixing the second mixture with a thermoplastic resin; and forming a floor material through thermo-compression of the third mixture.

Abstract: Technologies are generally described for generating pilot signal patterns in a base station, such as a small-cell base station, or a self-organizing network (SON) in a mobile communication system. Example devices/systems described herein may include one or more of a storage unit, a control unit and/or a communication unit in a base station. The storage unit may be configured to store a pilot signal pattern corresponding to a power variation between a first power level and a second power level. The control unit may be coupled to the storage unit and configured to generate a pilot signal in accordance with the stored pilot signal pattern. Further, the communication unit may be coupled to the control unit and configured to transmit the generated pilot signal such that any nearby mobile stations (or user equipment) can use the signal to perform cell selection or re-selection.

Abstract: A built-in antenna device for an electronic device for communication is provided. The antenna device includes a substrate, an antenna radiator, and a transmission line. The substrate includes a grounding region and a non-grounding region. The antenna radiator is disposed in the non-grounding region of the substrate and fed from a feeding portion provided to the substrate. The transmission line branches from the antenna radiator and is disposed in vicinity of the grounding region to have a predetermined length and a predetermined width. The antenna device controls reactance by coupling the transmission line with the grounding region to allow the antenna radiator to operate in at least one desired band.

Abstract: Exemplary embodiments of the present invention disclose a light emitting diode including an n-type contact layer doped with silicon, a p-type contact layer, an active region disposed between the n-type contact layer and the p-type contact layer, a superlattice layer disposed between the n-type contact layer and the active region, the superlattice layer including a plurality of layers, an undoped intermediate layer disposed between the superlattice layer and the n-type contact layer, and an electron reinforcing layer disposed between the undoped intermediate layer and the superlattice layer. Only a final layer of the superlattice layer closest to the active region is doped with silicon, and the silicon doping concentration of the final layer is higher than that of the n-type contact layer.

Abstract: A master cylinder includes: a cylinder housing; a piston which is movably disposed in the cylinder housing so as to form a pressure chamber and a hydraulic fluid supplying chamber; and a sealing member which is interposed between the cylinder housing and the piston. An indentation portion is provided on an outer circumferential surface of the piston, wherein a rear wall of the indentation portion is formed as a slanted surface. A plurality of first communication holes are formed on a bottom surface of the indentation portion and a second communication hole is formed on the rear wall of the indentation portion.

Abstract: There are provided a core material for vacuum insulator comprising an organic synthetic fiber, and at least one organic synthetic fiber bonded portion; and a preparation method therefor. In addition, provided is a vacuum insulator comprising the core material for vacuum insulator comprising the organic synthetic fiber, and the at least one organic synthetic fiber bonded portion.

Abstract: Technologies generally described herein relate to connection of a mobile device to an access point in a wireless communication system. Example mobile devices may include a receiver, a decoder and a data communication module. The receiver may be configured to receive a downlink synchronization signal from an access point through a cellular band. In some embodiments, the downlink synchronization signal is synchronized based on a signal from a base station. The decoder may be coupled to the receiver and configured to decode the received downlink synchronization signal to obtain information regarding the access point. The data communication module may be coupled to the decoder and configured to connect to the access point based, at least in part, on the obtained information regarding the access point.

Abstract: Exemplary embodiments of the present invention disclose a light emitting diode including an n-type contact layer doped with silicon, a p-type contact layer, an active region disposed between the n-type contact layer and the p-type contact layer, a superlattice layer disposed between the n-type contact layer and the active region, the superlattice layer including a plurality of layers, an undoped intermediate layer disposed between the superlattice layer and the n-type contact layer, and an electron reinforcing layer disposed between the undoped intermediate layer and the superlattice layer. Only a final layer of the super lattice layer closest to the active region is doped with silicon, and the silicon doping concentration of the final layer is higher than that of the n-type contact layer.

Abstract: A phased array radio-frequency (RF) coil includes a cylindrical frame including a coaxial inner frame and a coaxial outer frame having different diameters; and vertical loop coils arranged in a circumferential direction of the cylindrical frame. Each vertical loop coil includes an inner conductor extending in a lengthwise direction on the coaxial inner frame; an outer conductor extending in a lengthwise direction on the coaxial outer frame and facing the inner conductor; and a first resonant frequency adjustment capacitor for connecting one end of the inner conductor in the lengthwise direction and one end of the outer conductor in the lengthwise direction so that the phased array RF coil resonates at an MR operating frequency.

Abstract: A method and a device for setting a multi-band based link in a wireless LAN system are disclosed. The method for configuring a wireless link comprises the steps of: receiving, from a wireless access device supporting the plurality of communication channels, a beacon message through a first communication channel among a plurality of communication channels; obtaining, from the beacon message, wireless access information which is used for accessing a first communication channel; and obtaining, from the beacon message, at least one available communication channel list except for the first communication channel among the plurality of communication channels. Thus, the time for configuring a link between wireless LAN apparatuses can be reduced.

Abstract: A method for setting connection between an access point and a station is provided. The method includes transmitting, by the access point, a communication setup message to one or more stations; and implementing, by the access point, connection setup according to a connection request by the station having received the communication setup message, wherein the communication setup message comprises information about a connection priority requirement by a plurality of network interface card modules, which are included in the access point, using different frequency bands.

Abstract: A magnetic resonance imaging (MRI) system comprises, a main magnet, a gradient coil and an RF coil. The main magnet generates a static magnetic field, the gradient coil which is formed inside the main magnet and generates a gradient magnetic field and the RF coil. The RF coil is formed inside the gradient coil and comprises a plurality of different components including: a former supporting the plurality of different components including windings and having a first area and a second area and a groove formed in the second area and in which a component of the RF coil is installed and inset, reducing thickness of the RF coil.

Abstract: Technologies are generally described for phase measuring profilometry (PMP) using structured light patterns based on orthogonal frequency division multiplexing (OFDM). In some examples, a composite structured light pattern generated using OFDM may be used to illuminate a surface of interest. The surface may reflect a phase-distorted version of the structured light pattern, and the phase-distorted structured light pattern may be processed to recover image and/or height information about the surface. In some embodiments, fast Fourier transform schemes may be used to generate the composite structured light pattern and process the phase-distorted structured light pattern.

Abstract: Technologies are generally described for selectively charging a capacitor coupled to a memory. Example electronic devices described herein may include a memory; a capacitor coupled to the memory; a power supply configured to supply power at least to the capacitor; a switch coupled between the power supply and the capacitor; and a switch controller coupled to the switch and configured to: determine whether the electronic device is in a safety mode or in a normal mode, and control an operation of the switch, based on the determination. So, the supply of the power from the power supply to the capacitor is selectively controlled.