Abstract: An apparatus for processing a signal by means of electromagnetic waves according to one embodiment of the present invention can, when a radio frequency (RF) signal is radiated onto a medium through any one of a plurality of channels, simultaneously receive the radiated RF signals which have been reflected or scattered by the medium or have penetrated the medium through the plurality of channels other than the channel through which the RF signal has been radiated.

Abstract: Provided is a memory device including a memory cell array including a normal area in which a plurality of memory cells are arranged, and a redundancy area in which a plurality of redundancy memory cells are arranged, and a repair controller configured to control a repair operation on a defect cell from among the plurality of memory cells according to a first repair unit, and switch a repair unit from the first repair unit to a second repair unit different from the first repair unit when the repair operation based on the first repair unit is completed.

Abstract: The present invention relates to hexafluoropropylene oxide polymer composition and a process of preparing ofhexafluoropropylene oxide polymer by an anionic polymerization, and in particular the hexafluoropropylene oxide polymer composition comprises an anionic initiator, a polar solvent, hexafluoropropylene and hexafluoropropylene oxide. The hexafluoropropylene oxide polymer is prepared under particular reaction conditions by using the composition, hexafluoropropylene oxide poylymer prepared by using the composition according to a preparation process herein has a weight average molecular weight (Mw) of 1,500-4,000 at ?10 to 20° C.

Abstract: The instant trip apparatus of the molded case circuit breaker includes a case, a magnet part disposed in the case to generate magnetic attractive force when accident current flows therethrough, an armature disposed to face the magnet part, the armature rotating to the magnet part by the magnetic attractive force, an armature spring for allowing the armature to elastically return to its original position when the magnetic attractive force is removed, and a gap maintenance part restricting the rotation of the armature so that a gap defined between the armature and the magnet part is maintained when the accident current occurs. The gap maintenance part includes a rotation restriction member that is disposed to be exposed to an armature rotation path between the armature and the magnet part. Thus, fusion between the armature and the magnet part due to the accident current occurs may be prevented.

Abstract: A semiconductor device having a super junction and a method of manufacturing the semiconductor device capable of obtaining a high breakdown voltage are provided, whereby charge balance of the super junction is further accurately controlled in the semiconductor device that is implemented by an N-type pillar and a P-type pillar. The semiconductor device includes a semiconductor substrate; and a blocking layer including a first conductive type pillar and a second conductive type pillar that extend in a vertical direction on the semiconductor substrate and that are alternately arrayed in a horizontal direction, wherein, in the blocking layer, a density profile of a first conductive type dopant may be uniform in the horizontal direction, and the density profile of the first conductive type dopant may vary in the vertical direction.

Abstract: Provided is a memory device including a memory cell array including a normal area in which a plurality of memory cells are arranged, and a redundancy area in which a plurality of redundancy memory cells are arranged, and a repair controller configured to control a repair operation on a defect cell from among the plurality of memory cells according to a first repair unit, and switch a repair unit from the first repair unit to a second repair unit different from the first repair unit when the repair operation based on the first repair unit is completed.

Abstract: Provided are a method and apparatus for user equipment (UE) selection in a mobile communication system. The method may include: selecting the n?1th UE in multiple cells (n: constant ?2); and selecting a UE with the maximum weighted sum rate (WSR) as the nth UE from among UEs belonging to the remaining cells excluding those cells containing the 1st to n?1th UEs. Hence, the scheduling function enabling suitable user equipment selection may further increase overall system throughput by providing additional gains in addition to beamforming, i.e. further reducing inter-cell interference and increasing signal strength toward a desired user equipment.

Abstract: A superjunction semiconductor device includes a first semiconductor layer doped with a first conductivity type; an active region formed on the first semiconductor layer, the active region including a drift layer; and a termination region disposed to surround the active region, the termination region including a lower edge region disposed on a side surface of the drift layer and an upper edge region disposed on the lower edge region, wherein the upper edge region includes a lower charge balance region disposed on the lower edge region, the lower charge balance region having a second conductivity type different from the first conductivity type, and an upper charge balance region disposed on the lower charge balance region, the upper charge balance region having the first conductivity type.

Abstract: The instant trip apparatus of the molded case circuit breaker includes a case, a magnet part disposed in the case to generate magnetic attractive force when accident current flows therethrough, an armature disposed to face the magnet part, the armature rotating to the magnet part by the magnetic attractive force, an armature spring for allowing the armature to elastically return to its original position when the magnetic attractive force is removed, and a gap maintenance part restricting the rotation of the armature so that a gap defined between the armature and the magnet part is maintained when the accident current occurs. The gap maintenance part includes a rotation restriction member that is disposed to be exposed to an armature rotation path between the armature and the magnet part. Thus, fusion between the armature and the magnet part due to the accident current occurs may be prevented.

Abstract: An instant trip device of a circuit breaker comprises a magnet; a supporter; an armature provided between the magnet and the supporter and including a rotation center portion and a rotating part is disposed to be rotatable with respect to the rotation center portion; and an armature spring configured to apply an elastic force in a direction where the rotating part of the armature becomes farther away from the magnet, wherein a groove of which one side is opened is formed at the supporter to support the rotation center portion, wherein a boss is formed at the rotation center portion to be inserted into the groove, and wherein the armature spring is an extension spring in which one end of the armature spring is supported by a first hanger included in the supporter, and the other end is supported by a second hanger included in the rotating part.

Abstract: Provided is a connector assembly for connecting pipes comprising: a connector formed with a hollow into which a pipe is inserted, a large diameter portion being included on at least one side of both end portions of the hollow, the large diameter portion being formed to have a relatively large inner diameter and having a housing space inside; a ring-shaped sealing member provided in the housing space; and a grip member provided adjacent to the sealing member in the housing space, wherein the grip member has a body portion formed to contact along an inner circumferential surface of the large diameter portion, and a pair of sharp portions that is formed in shapes corresponding to each other to be bent from both sides of the body portion, and is formed so as to partially bite into the outer circumferential surface of the pipe inserted into the hollow by crimping the outer circumferential surface of the large diameter portion, and under the condition of crimping the outer circumferential surface of the large diame

Abstract: Provided are a method and apparatus for user equipment (UE) selection in a mobile communication system. The method may include: selecting the n?1th UE in multiple cells (n: constant ?2); and selecting a UE with the maximum weighted sum rate (WSR) as the nth UE from among UEs belonging to the remaining cells excluding those cells containing the 1st to n?1th UEs. Hence, the scheduling function enabling suitable user equipment selection may further increase overall system throughput by providing additional gains in addition to beamforming, i.e. further reducing inter-cell interference and increasing signal strength toward a desired user equipment.

Abstract: A limited feedback method and apparatus for two-way relay channels with physical network coding are disclosed. An embodiment of the invention provides a method of providing parameters as feedback to two terminals according to channel conditions by a relay for two-way communication in a two-way relaying system using PNC (physical network coding). This method includes: (a) quantizing phase difference information of two-way channels of the two terminals in consideration of whether or not a ratio of a minimum distance between constellation points is periodic according to modulation level; and (b) transmitting feedback information, which contains at least one of the phase difference information and the power control information of the two terminals, as a limited number of bits to the two terminals. Here, the number of bits for the phase difference information or the number of bits for the power control information is determined according to the modulation level.

Abstract: Disclosed is a burnable absorber-integrated control rod guide thimble that guides an up-and-down motion of a control rod provided to control reactivity of a reactor core. The control rod guide thimble includes burnable absorbers.

Abstract: An instant trip device of a circuit breaker comprises a magnet; a supporter; an amateur provided between the magnet and the supporter and including a rotation center portion and a rotating part is disposed to be rotatable with respect to the rotation center portion; and an amateur spring configured to apply an elastic force in a direction where the rotating part of the amateur becomes farther away from the magnet, wherein a groove of which one side is opened is formed at the supporter to support the rotation center portion, wherein a boss is formed at the rotation center portion to be inserted into the groove, and wherein the amateur spring is an extension spring in which one end of the amateur spring is supported by a first hanger included in the supporter, and the other end is supported by a second hanger included in the rotating part.

Abstract: The present disclosure relates to a radio altimeter including a path extending unit positioned in a signal transmission path or a signal reception path of the radio altimeter, wherein the path extending unit delays a signal received from the outside to reduce a dynamic range of the radio altimeter.

Abstract: The present invention relates to hexafluoropropylene oxide polymer composition and a process of preparing of hexafluoropropylene oxide polymer by an anionic polymerization, and in particular the hexafluoropropylene oxide polymer composition comprises an anionic initiator, a polar solvent, hexafluoropropylene and hexafluoropropylene oxide. The hexafluoropropylene oxide polymer is prepared under particular reaction conditions by using the composition, hexafluoropropylene oxide poylymer prepared by using the composition according to a preparation process herein has a weight average molecular weight (Mw) of 1,500-4,000 at ?10-20° C.

Abstract: The present invention relates to hexafluoropropylene oxide polymer composition and a process of preparing of hexafluoropropylene oxide polymer by an anionic polymerization, and in particular the hexafluoropropylene oxide polymer composition comprises an anionic initiator, a polar solvent, hexafluoropropylene and hexafluoropropylene oxide. The hexafluoropropylene oxide polymer is prepared under particular reaction conditions by using the composition, hexafluoropropylene oxide polymer prepared by using the composition according to a preparation process herein has a weight average molecular weight (Mw) of 1,500-4,000 at ?10-20° C.