Abstract: A controller including a case provided with at least one opened surface, a cover opening and closing the at least one opened surface, and a circuit board provided within the case and provided with a heating unit. The cover includes a cover body and a heat radiation unit in which at least a portion of the inner surface of the cover body is concave toward the circuit board so as to be closely adhered to the heating unit for the purpose of heat radiation. Thereby, heat within the controller may be effectively radiated and the lifespan of electrical devices may be extended.

Abstract: Disclosed herein are a cleaner and a control method thereof. The control method of the cleaner includes: supplying predetermined rearrangement power to a motor for a predetermined time period; detecting a position of a rotor using a hall sensor; and supplying start-up power according to the detected position of the rotor.

Abstract: A motor includes a control part assembly having an air inlet through which air is inlet, an air flow path configured to communicate with the air inlet, and a printed circuit board; and a motor part assembly having a stator configured to generate magnetic flux when a current is applied, a rotor structured to be rotated while interacting with the stator electromagnetically, a motor shaft provided to be rotated together with the rotor, and an impeller coupled to the motor shaft and provided to be rotated to generate air flow, and is configured to be detachably coupled to the control part assembly. Through the structure as such, the performance of the motor may be improved.

Abstract: A controller including a case provided with at least one opened surface, a cover opening and closing the at least one opened surface, and a circuit board provided within the case and provided with a heating unit. The cover includes a cover body and a heat radiation unit in which at least a portion of the inner surface of the cover body is concave toward the circuit board so as to be closely adhered to the heating unit for the purpose of heat radiation. Thereby, heat within the controller may be effectively radiated and the lifespan of electrical devices may be extended.

Abstract: Provided are a system for creating interactive electronic documents and a control method thereof. Recording information such as texts and images may be recorded in an electronic medium to make it easy and convenient to create electronic documents available like books. A preview may be performed quickly and easily during an electronic document creating operation.

Abstract: Provided is a high-performance pneumatic radial tire for passenger cars which uses a hybrid cord composed of an aramid cord and a Nylon 66 cord having different twist counts for the first twist and different twist counts for the second twist, as a reinforcing belt, and thereby has improved high speed durability and steering stability.

Abstract: Provided is an electronic document preparing apparatus which provides an intuitive user interface to enable a user to prepare an electronic document in an easy and convenient manner, and which stores and analyzes a signal input by the user during an electronic document preparing process and an electronic document reading process so as to identify a user behavior pattern. Also provided are electronic documents preparing system including the electronic document preparing apparatus and a control method thereof, and an electronic document reading system and a control method thereof.

Abstract: A method for reliquefying boil-off gas generated in a cargo tank of a liquefied natural gas ship generally includes the steps of compressing boil-off gas generated in the cargo tank with a compressor, sub-cooling the compressed boil-off gas in a heat exchanger, feeding the liquefied gas to a gas phase separator, venting flash gas generated in the gas phase separator through a first pipe, feeding the vented flash gas from the gas phase separator to a gas combustion unit of the ship via the first pipe, oxidizing the vented flash gas in the gas combustion unit, diverting a portion of the compressed boil-off gas from the compressor through a second pipe, feeding the diverted portion of compressed boil-off gas from the compressor to an upper region of the gas-phase separator and returning liquefied gas from the gas-phase separator to the cargo tank.

Abstract: A liquid crystal display device includes a liquid crystal panel; a light guide plate disposed under the liquid crystal panel; a light emitting diode (LED) assembly disposed at a side of the light guide plate and including an LED and a printed circuit board (PCB), the LED arranged on the PCB to face the light guide plate; an LED heat sink surrounding the LED assembly and including a first portion, where the PCB is attached, and a second portion covering a bottom surface of the PCB; a bottom frame disposed under the light guide plate and including a bottom portion and a side portion, the bottom portion contacting the second portion of the LED heat sink, the bottom frame formed of an electrolytic galvanized iron (EGI); a top frame surrounding edges of the liquid crystal panel; and a main frame surrounding sides of the liquid crystal panel and combining with the top and bottom frames.