A wireless base station, a mobile station, a radio communication system and a radio communication method are provided to reduce interference among cells and to improve maximum throughput. According to a wireless base station(10) transmitting a radio signal among a plurality of mobile stations by OFDMA(Orthogonal Frequency Division Multiple Access), a multiplexing unit(13) generates time-division u...

A data recording method comprising the steps of encoding user data into first error correcting codes having a first correction capability, encoding control information into second error correcting codes having a second correction capability higher than the first correction capability, generating a data stream containing the first error correcting code, the second error correcting code, and synchro...

PURPOSE: A pick and place apparatus are provided to prevent the cumulative tolerance generated in controlling the gap of the pick. CONSTITUTION: The elevator plate(20) is ascended and descended in the vertical direction on the base. The lifting operation part(30) raises the elevator plate. The first plate cam(40) and the second plate cam(50) are horizontally installed on the elevator plate and the...

PURPOSE: An apparatus and a method for detecting outflow of slag from ladle are provided to produce clean product based on the captured vibration signals by capturing vibration signals generated when slag is flown out to tundish from ladle using non-touch and touch type vibration sensors in continuous molten steel casting process. CONSTITUTION: The method comprises a step of calculating an average...

PURPOSE: An optimum cutting method considering contraction ratio during cutting of slab in continuous casting process is provided to carry out the optimum slab cutting by differently adjusting contraction ratio per each slab according to slab width, slab casting rate and slab length when cutting the slab to a desired length. CONSTITUTION: The optimum cutting method comprises first step of grasping...

PURPOSE: An apparatus and a method for preventing telescope in the thin slab casting process are provided to prevent telescope from generating on the coil by vertically operating hydraulic cylinder according to load applied to load cells installed at front and rear sides, thereby controlling telescope generated during coiling of hot coil. CONSTITUTION: The apparatus comprises first to fourth load ...

PURPOSE: An apparatus and a method for compensating change of surface level of molten iron caused by fluctuation of mass-flow are provided to maintain the surface level of the molten iron constantly by obtaining thickness and speed variations of slab at the output side of rolling mill and calculating compensation amount of sectional area of outlet of mold. CONSTITUTION: In a method for controlling...

A diluting apparatus for the mist is provided to condense the mist water drop, to remove the mist, and to secure the sate driving. A diluting apparatus for the mist comprises a compressor for cooling, a supply tube connected to one side of the compressor for cooling, a condensation plate the cooling water space of movement forms on the inside portion of soundproof plate(17) formed in the calumniat...

A diaper is provided, which has the improved absorption rate on the pad manufactured in the general thickness and solves inconvenient behavior of the infant. A diaper comprises: a pad(10) for absorbing the moisture of the wearer defecation; and a cover(20) which is worn on the wearer to maintain contact of a pad and the body of the wearer. The pad includes an initial absorption pad(30) which is fo...

PURPOSE: A touch switch system of a water purifier is provided to operate a water purifier into a desired direction of user by making a time delay of each touch switch different although two or more touch switches are touched. CONSTITUTION: A touch switch system(100) of a water purifier includes a touch switch, an operating device, and a MICOM. One or more touch switches(120) generate a signal aft...