Abstract: A method of transmitting a Physical Layer Convergence Procedure (PLCP) frame in a Very High Throughput (VHT) Wireless Local Area Network (WLAN) system includes generating a MAC Protocol Data Unit (MPDU) to be transmitted to a destination station (STA), generating a PLCP Protocol Data Unit (PPDU) by adding a PLCP header, including an L-SIG field containing control information for a legacy STA and a VHT-SIG field containing control information for a VHT STA, to the MPDU, and transmitting the PPDU to the destination STA. A constellation applied to some of Orthogonal Frequency Division Multiplex (OFDM) symbols of the VHT-SIG field is obtained by rotating a constellation applied to an OFDM symbol of the L-SIGfield.

Abstract: The present invention relates to a high-temperature superconducting rotating machine system equipped with a fixed type cryostat and a vaporized cryogen re-use cooling structure.

Abstract: An audio apparatus includes a signal receiver configured to receive a left-channel signal and a right-channel signal of a stereo audio signal; at least one filter configured to block a signal in a band exceeding a predetermined frequency based on the frequency bands of each of the received left-channel signal and right-channel signal; and a controller configured to generate a center-channel signal of the stereo audio signal based on the left-channel signal and the right-channel signal passing through the filter, to calculate a signal level sensitivity between the left-channel signal and the right-channel signal passing through the filter, to determine a similarity between the left-channel signal and the right-channel signal based on the calculated signal level sensitivity, and to control the generated center-channel signal to be output in response to the determined similarity.

Abstract: An inverter module according to an embodiment of the present invention comprises: a high voltage circuit unit which generates an inverter control voltage and a motor driving voltage by using a first DC voltage; a high voltage circuit pattern which electrically connects the high voltage circuit unit; a low voltage circuit unit which communicates with an external device by using a second DC voltage having a smaller magnitude than the first DC voltage; and a low voltage circuit pattern which electrically connects the low voltage circuit unit. The high voltage circuit pattern and the low voltage circuit pattern are spaced apart from each other.

Abstract: A wireless device generating a High-Efficiency (HE) PHY Protocol Data Unit (PPDU) for transmission sets a Packet Extension Disambiguity bit of an HE Signal-A (HE-SIG-A) field of the HE PPDU based on respective durations of a packet extension of the HE PPDU and a signal extension of the HE PPDU. The wireless device may determine whether a relationship T P ? E + ( 4 × ? TXTIME - T S ? E - 2 ? 0 4 ? - ( TXTIME - T S ? E - 2 ? 0 ) ) ? T S ? Y ? M is satisfied, where TPE is the duration of the packet extension, TXTIME is a transmission time of the HE PPDU, TSE is the duration of the signal extension, and TSYM is a duration of symbols in a data field of the HE PPDU. The wireless device may set the Packet Extension Disambiguity bit to one when the relationship is satisfied; and to zero when the relationship is not satisfied.

Abstract: There are provided a metal carbide catalyst complex for a bifunctional zinc-air battery, containing vanadium metal and a different transition metal, and a zinc-air battery system including the same. Because a catalytic reaction region may be increased by a substituted iron ion and a substituted vanadium ion in a metal carbide catalyst complex for a zinc-air battery, high activity for oxygen evolution reaction (OER) performance and high activity for oxygen reduction reaction (ORR) performance may be exhibited.

Abstract: The present disclosure relates to an antenna apparatus for a base station and an adapter thereof and particularly comprises: an antenna module vertically installed to be spaced forward from a support pole by a predetermined distance so as to have a distancing space therebetween; an RRH installed on the antenna module to be positioned in the distancing space, wherein one of the upper end and the lower end thereof is hinge-coupled to the antenna module and the other of the upper end and the lower end thereof is attached to or detached from a part of the antenna module to enable electrical signal connection or disconnection while being rotated around the hinge; and an adapter for mediating the electrical signal connection and disconnection between the antenna module and the RRH. Therefore, the present disclosure provides advantages of reducing installation time and installation costs.

Abstract: A display device includes a display panel having flexibility, a storage connected to a first end of the display panel and accommodating the display panel so that the display panel is inserted and withdrawn, an extension part connected to a second end of the display panel, which is opposite to the first end of the display panel, and facing one side of the storage in a first direction, and a display driving integrated circuit which receives image data and a control signal from a host and provides a data signal to the display panel. The display driving integrated circuit includes a data processor which receives a smart size change signal from the host and sets a non-active area of the display panel based on the smart size change signal.

Abstract: The present invention relates to a method for producing a polyimide powder, particularly to a method for producing a polyimide powder, which includes a) preparing a dispersion by dispersing a dianhydride and a diamine in distilled water; and b) introducing the dispersion of step a) into a reactor and conducting the reaction at a stirring speed of 300 rpm or more under temperature and pressure conditions. In the present invention, it is possible to improve physical properties and control the particle size and dispersibility without additional processes by using water-based polymerization and controlling the stirring speed in the production process.

Abstract: A blender includes a container body in which food is accommodated, a main body to support the container body, and an air guide provided in the main body to guide discharging of air flowing through a motor assembly to below the main body.

Abstract: A steering wheel damper for a vehicle, and a manufacturing method thereof, the method includes putting a plate which is directly fixed to a steering wheel and has a plurality of through holes and a mass member having a predetermined weight to reduce vibration and a central pin in a mold in order, injection-molding rubber, and molding a connection member for connecting the plate and the mass member and a cushion member for limiting movement of the mass member. Therefore, the steering wheel damper and the manufacturing method thereof can simplify the manufacturing process, improve productivity, and enhance durability and marketability since the plate, the mass member and the connection member are firmly coupled and movement of the mass member is limited so that the mass member does not collide with surrounding components while the vehicle is shaken.

Abstract: A laminate can comprise an oxide disposed over a first major surface of a substrate. The oxide layer can comprise a thickness of about 40 nanometers or less. The oxide layer can comprise oxygen and a first element. The first element can comprise at least one of titanium, tantalum, silicon, or aluminum. The oxide layer can comprise an atomic ratio of oxygen to the another element of about 1.5 or less. The laminate can comprise a peel strength between the substrate and the oxide layer of about 1.3 Newtons per centimeter or more. Methods of making a laminate can comprise providing a substrate comprising a first major surface and depositing an oxide layer over the first major surface of the substrate by sputtering from an elemental target comprising an another element in an oxygen environment.

Abstract: A storage device is disclosed. The storage device may comprise storage for input encoded data. A controller may process read requests and write requests from a host computer on the data in the storage. An in-storage compute controller may receive a predicate from the host computer to be applied to the input encoded data. A transcoder may include an index mapper to map an input dictionary to an output dictionary, with one entry in the input dictionary mapped to an entry in the output dictionary, and another entry in the input dictionary mapped to a “don't care” entry in the output dictionary.

Abstract: A display protector attachment apparatus for a foldable electronic device according to the present disclosure includes: a frame unit including a frame-first end member at one end and a frame-second end member at another end and configured to support and accommodate the foldable electronic device between the frame-first end member and the frame-second end member; and an inclination-forming fixing unit connected to the frame-second end member and configured to align a protector film assembly to be arranged inclinedly with respect to the foldable display unit of the foldable electronic device by varying mounting heights for both ends of the protector film assembly including a display protector that is to be attached to the foldable electronic device.

Abstract: Provided is a testing apparatus for an active current control-type non-contact superconductive exciter having a hybrid magnet installed therein, and a high-temperature superconductive rotating machine using same. Provided is principally characterized by having a hybrid magnet, in a module form, in which a permanent magnet, a DC electromagnet and an AC electromagnet are used together, wherein the hybrid magnet is set in a plurality along the circumferential direction of a ring-shaped iron stator, is formed to correspond to the outer side of a rotor, having a high-temperature superconductive tape (or a second-generation high-temperature superconductive wire), of a non-contact superconductive exciter, and thus enables a selected operation (charging, discharging and the like) before and after rotation of a driving motor.

Abstract: An apparatus of tilting a seat cushion of a vehicle, includes a tilting motor, a pinion gear, a sector gear, and a tilting link which perform the tilting operation of the seat cushion and exert a binding force in a tilted state of the seat cushion and are provided to be connected to both of one side and the other side of a seat cushion frame, and has two sector gears positioned on left and right sides and connected to each other by a connection bar so that, by strengthening a binding force of the front portion of the seat cushion, it is possible to secure the safety of passengers in the event of a collision.

Abstract: A battery sub-packing unit includes a plurality of secondary battery cells, a cell support member including a seating portion for accommodating the plurality of secondary battery cells, and a venting inducing portion connecting the seating portion to an external area, and a case member provided to surround the secondary battery cell accommodated in the seating portion and to seal around the secondary battery cell.

Abstract: A battery module includes: a battery cell assembly having a plurality of battery cells; a top plate configured to cover an upper side of the battery cell assembly; a bottom plate configured to cover a lower side of the battery cell assembly; a sensing assembly disposed to cover a front side and a rear side of the battery cell assembly; a pair of side plates disposed at side surfaces, respectively, of the battery cell assembly; and a pair of compression pads disposed between the pair of side plates and the battery cell assembly, respectively.

Abstract: A battery fire detection device according to an embodiment includes: a first sensor configured to detect whether a gas vent of a battery cell is opened; a second sensor configured to detect a temperature of the battery cell; and a controller configured to determine whether there is a risk of fire or whether a fire occurs in the battery cell based on detection results of the first sensor and the second sensor.

Abstract: Provided is a method of database management including locating, with a recovery logic, a first metadata table using a beginning metadata table key, reading, by the recovery logic, the first metadata table, retrieving, with the recovery logic, a first next metadata table key of the first metadata table, locating, by the recovery logic, a second metadata table based on the first next metadata table key or based on a third next metadata table key of a third metadata table having a third metadata table range between a first metadata table range of the first metadata table and a second metadata table range of the second metadata table, reading, by the recovery logic, the second metadata table, determining, by the recovery logic, the second metadata table lacks valid keys in the second metadata table range, and making available, by the recovery logic, memory space associated with the second metadata table.