Abstract: Disclosed herein is a capacity-changing unit disposed in an orbiting vane compressor, which compresses refrigerant gas introduced into a cylinder through an orbiting movement of an orbiting vane in the cylinder, for easily changing capacity of the orbiting vane compressor in a mechanical bypass fashion. The capacity-changing unit comprises a bypass channel communicating with an outer compression chamber formed in the cylinder, and a bypass valve disposed on the bypass channel for opening and closing the bypass channel. According to the present invention, the orbiting vane compressor is selectively operated not only in normal operation mode where compression is performed in an inner compression chamber as well as the outer compression chamber but also in economic operation mode where compression is performed only in the inner compression chamber.

Abstract: The present invention relates to an acrylic impact modifier having a multilayered structure, which offers both superior impact resistance and coloring characteristics to engineering plastics, such as polycarbonate (PC) and a polycarbonate/polybutylene terephthalate alloy resin, or to a polyvinyl chloride resin. The present invention provides an acrylic impact modifier having a multilayered structure comprising: a) a seed prepared by emulsion copolymerization of a vinylic monomer and a hydrophilic monomer; b) a rubbery core surrounding the seed and comprising a C2 to C8 alkyl acrylate polymer, and c) a shell surrounding the rubbery core and comprising a C1, to C4 alkyl methacrylate polymer, a method for preparing the same, and a thermoplastic resin comprising the same.

Abstract: The double-acting type orbiting vane compressor comprises an orbiting vane having upper and lower circular vanes formed at the upper and lower surfaces of a vane plate of the orbiting vane, respectively, the orbiting vane being attached to a crankshaft rotatable by a drive unit, an upper compression unit having the upper circular vane of the orbiting vane disposed in an upper cylinder, and a lower compression unit having the lower circular vane of the orbiting vane disposed in a lower cylinder. As the orbiting vane performs an orbiting movement in the upper and lower cylinders, refrigerant gases introduced into the upper and lower cylinders through inlet tubes respectively formed at the upper and lower cylinders are compressed, and are then discharged out of the upper and lower cylinders through outlet ports respectively formed at the upper and lower cylinders.

Abstract: Disclosed is a vibration apparatus for generating vibration in a mobile terminal. The apparatus includes a vibrator for generating vibration; a frequency generator for generating a driving signal having a frequency within a predetermined frequency range in a predetermined time period; a driver for driving the vibrator using the driving signal provided from the frequency generator; and a frequency controller for periodically varying a frequency of the driving signal within the frequency range. Further, the vibration apparatus includes a vibration measurer for measuring vibration generated by the vibrator and providing the measured vibration values to the frequency controller. The frequency controller updates a frequency of the driving signal for driving the vibrator at a frequency indicating a maximum vibration value according to the measured vibration values.

Abstract: An apparatus for supplying a high voltage to a plurality of developer units has a high voltage source generating the high voltage, and a voltage switching unit including a plurality of switching elements provided between the plurality of developer units and the high voltage source to sequentially supply the voltage from the high voltage source to the plurality of developer units. The high voltage source supplies one voltage of a predetermined voltage level to the respective switching elements. The voltage switching unit has a plurality of high voltage distributing portions branching the voltage supplied to the switching elements into one or more voltages of differing voltage levels, and supplying the branch voltages and the initially supplied voltage to the respective developer units. A number of wiring harnesses or patterned connection lines, and contact-points and noise from the high voltage are reduced.

Abstract: A 1,2,4-Triazole derivative of formula 1 or a non-toxic salt thereof, a preparation method thereof, and a pharmaceutical composition containing the derivative or the salt as an active ingredient are provided.

Abstract: The present invention discloses an MRAM wherein a write word line is disposed between every other set of the word lines and a ground line is disposed between every other bit lines. This structure of MRAM in accordance with the present invention, Which is similar to folded bit line DRAM having a unit cell area of 8F2, allows read and write operation of MRAM with reduced number of required lines.

Abstract: The present invention relates to a door-basket structure of a refrigerator, which is installed on a rear surface of a refrigerator door and used as a space for storing foodstuffs. The door-basket structure of the present invention comprises a basket body 60 that is installed slidably in a fore and aft direction at a rear surface of a door 50 and accommodates and stores foodstuffs therein; a basket cover 62 pivotably installed at an upper portion of the basket body 60 so as to selectively open and close an upper face of the basket body 60; and an interlocking means 70 for allowing the basket cover 62 to be opened and closed in cooperation with the basket body 60. The cooperation means 70 comprises a rack portion 72 and a pinion portion 74 formed on the basket body and the basket cover to have complementary shapes, wherein the rack portion 72 and the pinion portion 74 are engaged with each other.

Abstract: Methods and apparatus for prompting a user to enter currency of a first country including at least one of notes and coins into a foreign exchange kiosk; applying one or more currency exchange rates to a total of the entered currency to compute a converted currency amount of a second country; and conducting a money transfer with a third party based on the converted currency amount.

Abstract: A washing machine having a stator mounted to a bearing housing. The stator including a magnetic core and upper and lower insulating members to cover upper and lower surfaces of the magnetic core, respectively. At least one of the upper and lower insulating members has a ring-shaped flange, which extends inward from the inner circumferential surface thereof. The flange has a plurality of first mounting holes and the bearing housing has a plurality of second mounting holes corresponding to the first mounting holes, respectively, whereby the stator is bolted to the bearing housing. The flange has a positioning protrusion extending upward, and the bearing housing has a positioning groove formed at a rim thereof such that the positioning protrusion is inserted into the positioning groove. The flange is positioned at the bearing housing while the first mounting holes of the flange are aligned with the second mounting holes of the bearing housing, respectively.

Abstract: A washing machine having a rotor directly connected to a rotary shaft. The driving motor includes a stator mounted to an outer surface of a water tub, and a rotor disposed around the stator while being directly connected to the rotary shaft, which is connected to a rotary tub. An insertion hole is formed at a center of the rotor, and a plurality of fitting holes are formed around the insertion hole. At an end of the rotary shaft is formed an inserting protrusion, which corresponds to the insertion hole. The rotor is fixed to the rotary shaft by inserting the inserting protrusion through the insertion hole. To the rotor is attached a reinforcing member having a plurality of fitting protrusions, which vertically extend such that the fitting protrusions are fitted into the fitting holes of the rotor, respectively, such that the strength of the rotor is increased.

Abstract: A dust separator of a cyclone type cleaner includes a first dust separator connected to a suction pipe, for separating dust from air by a centrifugal force for the first time; a collecting container connected to a lower portion of the first dust separator and in which the dust separated in the first dust separator is collected; and a second dust separator connected to an upper portion of the first dust separator, for sucking air which has passed through the dust separation in the first dust separator and separating dust from the air by a centrifugal force for the second time, so that an efficiency of collecting dust is improved without deteriorating a suction force of air.

Abstract: A remote observation system and a method thereof includes: a robot cleaner for capturing images from the surroundings of a preset patrol path while traveling the preset patrol path and outputting image signals of the images captured from the surroundings when a mode of the robot cleaner is switched to the patrol mode by user's input signal; and a network connection device for transmitting the image signals outputted from the robot cleaner to user equipment through a communications network.

Abstract: An air purifying robot and its operation method capable of purifying air using a mobile robot are disclosed. To this end, an air purifying robot comprises: a main body casing having a certain space therein, and provided with a suction hole for sucking ambient air and a discharge hole for discharging the purified air; a fan motor installed in the main body casing, and rotating so as to suck the ambient air of the main body casing through the suction hole; a dust collecting filter for filtering pollutants contained in the ambient air having been sucked through the suction hole; main wheels installed at a lower surface of the main body casing at a certain interval therebetween, and driven by the motor; an auxiliary wheel installed so as to maintain a horizontal state of the main casing, and moving the air purifying robot together with the main wheels; and a control unit for controlling the fan motor, the dust collecting filter and the main wheels.

Abstract: Disclosed is a multi-air conditioner in which heating and cooling operations are performed at the same time, the number of connection pipes connecting outdoor unit and distributor is simplified to three to flow a specific pressure and phase refrigerant through each connection pipe regardless of operation condition.

Abstract: A surface discharge type air cleaning device comprises an insulating dielectric body formed in the shape of a sheet, a discharge electrode formed at the upper surface of the insulating dielectric body, and a ground electrode formed at the lower surface of the insulating dielectric body. The discharge electrode is formed of a closed pattern having a predetermined area on the upper surface of the insulating dielectric body, and the discharge electrode has at least one non-pattern part disposed in a part where the pattern is formed. The electrode is not formed at the non-pattern part. The pattern of the discharge electrode is formed in the depressed structure. Consequently, it is possible to lower onset voltage and input energy and to accomplish uniform and stable plasma formation, and therefore, the number of hydroxyl radicals and negative ions is increased while the amount of ozone is decreased.

Abstract: The present invention provides a time division controlled (TDC) panel driver for reducing flickers. The TDC panel driver includes an address counter for counting a pixel address of a line corresponding to a predetermined resolution of a TDC panel to thereby output a counting value; a timing generating block for comparing the counting value and a predetermined order value to thereby output a read start signal; a timing controller for generating a line address in response to the read start signal and outputting a memory read control signal; and a memory for performing a memory read and a memory write operations, wherein a start timing for the memory read operation of the memory is controlled by the memory read control signal.