Abstract: A single external power supply variable speed induction motor and a control method thereof are disclosed. An induction motor includes: a stator in which coils directly connected to a single-phase or 3-phase or more systematic power supply are wound; a rotor that is supported to be rotatable in the stator; a power conversion device that is attached to the rotor and controls a rotor current without connection of a separate external power supply; and a control circuit that is connected to the power conversion device and controls the power conversion device.

Abstract: A method determines a heading angle of a user terminal in a Wireless Local Area Network (WLAN) system. The method includes examining whether a rotation of a user is detected, upon detecting the rotation, attaining a movement direction vector at a time when the rotation is detected, and attaining the heading angle by using the movement direction vector at the time when the rotation is detected.

Abstract: A stent includes a magnesium layer, a ceramic layer formed over the magnesium layer, and a magnesium compound layer interposed between the magnesium layer and the ceramic layer. The initial corrosion of the stent can be delayed, and the stent has excellent biocompatibility and thus can reduce side effects during cell proliferation and differentiation.

Abstract: A wireless localization technology using efficient multilateration in a wireless sensor network is disclosed. After calculating estimated distances from each of at least three reference nodes to a blind node using received signal strength of wireless signals that the at least three reference nodes received from the blind node, the estimated location of the blind node is obtained through multilateration using the calculated estimated distances. To correct error in the estimated location, the estimated distances are used, and the error correction direction and error correction distance for the estimated location are calculated by applying a largest weight to the reference node closest to the estimated location. The error of the estimated location is corrected by move the estimated location of the blind node by the calculated error correction direction and error correction distance. Calculation for the error correction is very simple and fast.

Abstract: A pharmaceutical composition, comprising a GluR2-lacking AMPAR antagonist as an active ingredient, is effective for preventing or treating mental diseases selected from the group consisting of posttraumatic stress disorder (PTSD), drug addiction, and phobia.

Abstract: The present invention relates to a terminology-system-based system for supporting data object definition, which delimits a concept by means of a qualifier. The terminology-system-based system for supporting data object definition stores a terminology system in which a concept is structured to a terminology object and a terminology relation, and stores a data object for the concept in order to define a data object for a selected concept (hereinafter, referred to as a corresponding concept). The terminology-system-based system for supporting data object definition comprises a qualifier recommendation unit, which receives a qualifier of the selected corresponding concept to define the corresponding concept, searches for a data object which is stored and defined as a concept which is the same as the corresponding concept (hereinafter, referred to as the same concept), and recommends a qualifier of the object.

Abstract: The present invention relates to a composition for the treatment of cervix cancer, more precisely a composition for the treatment of cervix cancer comprising the first active part containing human papilloma virus (referred as “HPV” hereinafter) specific siRNA as an active ingredient and the second active part containing an anticancer agent as an active ingredient. The composition for the treatment of cancer of the present invention has better anticancer effect than the single therapy of the HPV specific siRNA or the anticancer agent, and has an advantage of reducing side effects by using the anticancer agent at a low concentration.

Abstract: A base station apparatus and method of transmission of dynamic feedback channel information in a MIMO system. The base station apparatus includes a first channel state information receiving unit to receive a first channel state information; a receiving terminal selection unit to select at least one receiving terminal to receive data from among a plurality of terminals; a quantization length determination unit to independently determine a second quantization length of the selected receiving terminal; a quantization length transmission unit to transmit the second quantization length to the selected e receiving terminal; a second channel state information receiving unit to receive second channel state information from the selected receiving terminal; and a data transmission unit to transmit data to the selected receiving terminal using a plurality of transmission antennas of a base station based on the second channel state information.

Abstract: The invention relates to a method for channel estimation using a dedicated pilot signal in an OFDM-based communication system with multi-antenna transmission techniques. The receiver estimates the statistical characteristics of a virtual channel generated by beamforming by exploiting the statistical characteristics of common pilot channel, determines the optimum dedicated pilot pattern, and estimates the channel from dedicated pilot signal transmitted in an optimum pattern by means of AMMSE interpolation. The invention minimizes the channel estimation error by exploiting the statistical characteristics of the virtual channel, and optimally determines the dedicated pilot pattern according to the operation environment to maximize the transmission performance in terms of the pilot signaling overhead and the channel estimation error. In particular, the invention is very effective in low signal-to-interference plus noise power ratio (SINR) operation environments.

Abstract: Provided are a method and system for detecting a bot in a Massive Multiplayer Online Role Playing Game (MMORPG) online and in real time. By analyzing a communication pattern between a client and a server, the bot is detected based on parameters such as data length, inter-arrival time and data length auto correlation. Tests using respective parameters are combined to construct a global decision scheme, and thus more accurate detection results can be obtained. An integrated anti-bot defense system can be built by combining other tests such as a Turing test.

Abstract: The present invention relates to a nanoparticle dimer in which Raman-active molecules are located at a binding portion of the nanoparticle dimer, and more particularly, to a core-shell nanoparticle dimer comprising: a gold or silver core having a surface to which oligonucleotides are bonded; and a gold or silver shell covering the core. In addition, the present invention relates to the core-shell nanoparticle dimer, to a method for preparing same, and to the use thereof.

Abstract: According to the present invention, an amniotic fluid collector is configured so as to be inserted and positioned inside the vagina of a birthing mother in order to collect amniotic fluid from the womb of the birthing mother. In particular, the amniotic fluid collector of the present invention comprises: a receiving member, in the side of which an opening is defined, which is inserted into the vagina of the birthing mother and which has a receptacle defined therein for receiving the amniotic fluid; and a positioning portion for positioning the receiving member inside the vagina. Thus, the effects of alleviating pain and psychological anxiety of a birthing mother and eliminating the danger of the occurrence of complications can be achieved, as well as those of easily and smoothly collecting amniotic fluid from the womb of the birthing mother.

Abstract: A method for manufacturing a substrate for alignment of a liquid crystal may include: forming a vertical alignment layer on a substrate; performing an alignment process on the vertical alignment layer in a first direction; forming a protective layer at a partial region of the vertical alignment layer; performing an alignment process on other regions of the vertical alignment layer in a second direction; and removing the protective layer. A liquid crystal display device manufactured using the substrate for alignment of a liquid crystal ensures wide viewing angle and alignment stability with relatively simple processes as compared with the conventional vertically aligned (VA) mode liquid crystal display device.

Abstract: The present invention relates to a coarse-grained reconfigurable array, comprising: at least one processor; a processing element array including a plurality of processing elements, and a configuration cache where commands being executed by the processing elements are saved; and a plurality of memory units forming a one-to-one mapping with the processor and the processing element array. The coarse-grained reconfigurable array further comprises a central memory performing data communications between the processor and the processing element array by switching the one-to-one mapping such that when the processor transfers data from/to a main memory to/from a frame buffer, a significant bottleneck phenomenon that may occur due to the limited bandwidth and latency of a system bus can be improved.

Abstract: Techniques for manufacturing an enhanced carbon nanotube (CNT) wire are provided. In one embodiment, an enhanced CNT wire may be manufactured by immersing a metal tip into a CNT colloidal solution, withdrawing the metal tip from the CNT colloidal solution, and then coating the CNT wire with a polymer.

Abstract: Provided is a non-contact type transducer for performing modal testing or non-destructive diagnosis easily, that is, a non-contact type transducer by which even an inexperienced person may perform modal testing or non-destructive diagnosis without errors. The transducer includes a multi-loop coil including two or more looped coil portions that are connected to each other, wherein the looped coil portions are located on top of a rod member, and the looped coil portions form magnetic fields on the surface of the rod member in a direction parallel to the lengthwise direction of the rod member; and one or more magnets that are arranged to form a static magnetic field on the surface of the rod member, whereon the surface of the rod member a dynamic magnetic field is formed by the multi-loop coils in the direction parallel to the lengthwise direction of the rod member, even partially in a direction parallel to the lengthwise direction of the rod member.

Abstract: Disclosed herein is a maneuverable capsule endoscope. A capsule body is input into an internal organ to take images of the inside of the internal organ. A fan unit is mounted on the body. A fan position-changing device changes a direction in which the fan unit discharges fluid. The fan unit is mounted inside a duct without damaging the inner wall of the internal organ. When input into the internal organ, the capsule endoscope can concentrically take images of a specific portion inside the internal organ, and can freely take images of a portion that is intended to be photographed.

Abstract: A segmented magnetostrictive patch array transducer capable of generating a high frequency shear wave in a structure such as a rod or a pipe, a structural fault diagnosing apparatus including the segmented magnetostrictive patch array transducer, and a method of operating the segmented magnetostrictive patch array transducer are shown. The segmented magnetostrictive patch array transducer includes a plurality of magnetostrictive patches attached along a circumference of a rod member; a plurality of insulators that are disposed on the magnetostrictive patches; a plurality of meander coils, each of the meander coils comprising a plurality of coil lines extending along the circumference direction of the rod member on each of the insulators, wherein a current flows through adjacent coil lines in opposite directions to one another; and a plurality of magnets that respectively form a magnetic field along the circumferential direction of the rod member on the magnetostrictive patches.

Abstract: The present invention relates to a miRNA regulating the insulin signaling pathway, and to a method for screening a material for controlling the action of a target gene thereof, and particularly, to a method for screening a material for controlling the action of USH or FOG2, a target gene of miR-8 or miR-200 miRNA for promoting cell growth. The present inventors discovered miR-8, a conserved miRNA for regulating the body of a fruit fly by targeting u-shaped material (USH) in the fat cells of Drosophila. It was also confirmed that a target gene of miR-200, a human homologous gene of Drosophila miR-8 miRNA, is FOG2. It was found that Drosophila miR-8 and USH are also conserved in mammals, and FOG2, a human homologous gene of USH, directly binds to a regulating subunit of PI3K and functions. It was confirmed that when the expression of miR-200 is inhibited or FOG2 is expressed in a human cancer cell line, the activity of PI3K, which promotes cell growth, is decreased.

Abstract: A metal ion sensor is provided. The metal ion sensor includes a nanoparticle core doped with a first luminescent material and a shell enclosing the nanoparticle core. The shell includes a second luminescent material and binding sites of outer metal ions. The first luminescent material and the second luminescent material emit light with mutually different colors when excited by an excitation source. The luminescence intensity of the light emitted from the second luminescent material varies in accordance with the binding amount of the outer metal ions, such that the emission color of the combined luminescence of the first luminescent material and the second luminescent material is changed.