Abstract: The present invention relates to a washing machine having a drying function, and more particularly, to a washing machine having a drying function, in which structures of a circulation duct and a fan/motor assembly are improved for improving a drying function and a productivity of the washing machine having a drying function. The present invention includes an outside case, an outer tub inside of the outside case for storage of washing water, an inner tub inside of the outer tub, a re-circulation duct connected between one side of a lower part of the outer tub and a top of the outer tub for providing a re-circulation passage of air in the inner tub, a fan/motor assembly fitted to the re-circulation duct with a motor shaft positioned horizontal, for blowing the air, and a heater fitted downstream of the fan/motor assembly on the re-circulation duct, for heating the circulating air.

Abstract: A pipelined divider with a small lookup table is disclosed. The pipelined divider can greatly reduce the size of a lookup table with a low cost to overcome the problems involved in the conventional pipelined divider requiring a large lookup table due to its iterative operation type. The pipelined divider has a delay time of 3 cycles in a single precision, and can reduce a chip size by about ⅓ in comparison to the existing pipelined divider.

Abstract: A weldable structural steel product having fine complex precipitates of TiN and CuS is provided which contains, in terms of percent by weight, 0.03 to 0.17%C, 0.01 to 0.05% Si, 0.4 to 2.0% Mn, 0.005 to 0.2% Ti, 0.0005 to 0.1% Al, 0.008 to 0.030% N, 0.0003 to 0.01% B, 0.001 to 0.2% W, 0.1 to 1.5% Cu, at most 0.03% P, 0.003 to 0.05% S, at most 0.005% O, and balance Fe and incidental impurities while satisfying conditions of 1.2≦Ti/N≦2.5, 10≦N/B≦40, 2.5≦Al/N≦7, 6.5≦(Ti+2Al+4B)/N≦14, and 10≦Cu/S≦90, and having a microstructure essentially consisting of a complex structure of ferrite and pearlite having a grain size of 20 &mgr;m or less.

Abstract: Method for controlling a washing and drying machine, for improving drying performance, and saving energy, the method having a drying cycle for supplying heated air into an inner tub to dry laundry in the inner tub, wherein the drying cycle includes a plurality of drying steps each having the steps of rotating a pulsator for a preset time period, and rotating the inner tub for a preset time period in regular and reverse directions, for enhancing flow of the laundry.

Abstract: An image quality analysis method and an image quality analysis system for a display device are provided. The image quality analysis method for a display device includes the steps of outputting an image pattern for analysis of an image quality of the display device, dividing a screen display region to which the image pattern is output into a plurality of sub-regions, producing measurement data representing the image quality with respect to each of the plurality of sub-regions, arranging the produced measurement data as a time series, obtaining a fractal dimension exponent from the data as a time series, and evaluating the fractal dimension exponent as a level of uniformity of the image quality of the display device.

Abstract: A light guide device and a liquid crystal display module and a liquid crystal display device having the light-guide device that can minimize the flowing of a light guide plate received in a mold frame by improving the structure of the light guide plate of the liquid crystal display device. A light guide device for receiving a light from a lamp unit and guiding the light to a display unit for displaying an image has a catching jaw is formed by cutting off both corner portion of a first end portion to which the light from the lamp unit is inputted. The width of the first end portion including the catching jaw is wider than the width of a second end portion opposite to the first end portion. Therefore, the catching amount of a catching boss integrally formed with the mold frame and the catching jaw of the light guide plate is remarkably increased and the light guide plate is prevented from being flowed towards the lamp even when exterior impacts are applied to the liquid crystal display device.

Abstract: A light guide device and a liquid crystal display module and a liquid crystal display device having the light guide device that can minimize the flowing of a light guide plate received in a mold frame by improving the structure of the light guide plate of the liquid crystal display device. A light guide device for receiving a light from a lamp unit and guiding the light to a display unit for displaying an image has a catching jaw is formed by cutting off both corner portion of a first end portion to which the light from the lamp unit is inputted. The width of the first end portion including the catching jaw is wider than the width of a second end portion opposite to the first end portion. Therefore, the catching amount of a catching boss integrally formed with the mold frame and the catching jaw of the light guide plate is remarkably increased and the light guide plate is prevented from being flowed towards the lamp even when exterior impacts are applied to the liquid crystal display device.

Abstract: A welding structural steel product having fine complex precipitates of TiN and CuS is provided which contains, in terms of percent by weight, 0.03 to 0.17%C, 0.01 to 0.05% Si, 0.4 to 2.0% Mn, 0.005 to 0.2% Ti, 0.0005 to 0.1% Al, 0.008 to 0.030% N, 0.0003 to 0.01% B, 0.001 to 0.2% W, 0.1 to 1.5% Cu, at most 0.03% P, 0.003 to 0.05% S, at most 0.005% O, and balance Fe and incidental impurities while satisfying conditions of 1.2≦Ti/N≦2.5, 10≦N/B≦40, 2.5≦Al/N≦7, 6.5≦(Ti+2Al+4B)/N≦14, and 10≦Cu/S≦90, and having a microstructure essentially consisting of a complex structure of ferrite and pearlite having a grain size of 20 &mgr;m or less.

Abstract: A weldable structural steel product having TiN and ZrN precipitates, which contains, in terms of percent by weight, 0.03 to 0.17% C, 0.01 to 0.5% Si, 0.4 to 2.0% Mn, 0.005 to 0.2% Ti, 0.0005 to 0.1% Al, 0.001 to 0.03% Zr, 0.008 to 0.030% N, 0.0003 to 0.01% B, 0.001 to 0.2% W, at most 0.03% P, at most 0.03% S, at most 0.01% O, and balance Fe and incidental impurities while satisfying conditions of 1.2≦Ti/N≦2.5, 0.3≦Zr/N≦2.0, 10≦N/B≦40, 2.5≦Al/N≦7, and 6.8≦(Ti+Zr+2Al+4B)/N≦17, and having a microstructure essentially consisting of a complex structure of ferrite and pearlite having a grain size of 20 &mgr;m or less.

Abstract: A weldable structural steel product having fine complex precipitates of TiN and MnS is provided which contains, in terms of percent by weight, 0.03 to 0.17% C, 0.01 to 0.05% Si, 1.0 to 2.5% Mn, 0.05 to 0.2% Ti, 0.0005 to 0.1% Al, 0.008 to 0.030% N, 0.0003 to 0.01% B, 0.001 to 0.2% W, at most 0.03% P, 0.003 to 0.05% S, at most 0.005 % O, and balance Fe and incidental impurities while satisfying conditions of 1.2≦Ti/N≦2.5, 10≦N/B≦40, 2.5≦Al/N≦7, 6.5≦(Ti+2Al+4B)/N≦14, and 220≦Mn/S≦400. The steel has a microstructure consisting essentially of a complex structure of ferrite and pearlite having a grain size of 20 &mgr;m or less.

Abstract: Method for controlling a washing and drying machine, for improving a drying performance, and saving an energy, the method having a drying cycle for supplying heated air into an inner tub to dry laundry in the inner tub, wherein the drying cycle includes a plurality of drying steps each having the steps of rotating a pulsator for a preset time period, and rotating the inner tub for a preset time period in regular and reverse directions, for enhancing flow of the laundry.

Abstract: The present invention relates to a washing machine having a drying function, and more particularly, to a washing machine having a drying function, in which structures of a circulation duct and a fan/motor assembly are improved for improving a drying function and a productivity of the washing machine having a drying function.

Abstract: Method for controlling a drying process of a washing and drying machine including a preheating step for tightly closing and heating an inner tub for preparing an environment favorable for vaporization of water by elevating a temperature of the inner tub within a short time period, and a drying step for supplying heated air to the inner tub, to make heat exchange between the heated air and laundry, for drying the laundry, whereby improving a drying performance and reducing occurrence of environmental problem.

Abstract: Disclosed is a liquid crystal display (LCD) device in which a movement of a light guide plate received in a mold frame can be minimized. A light guide plate has catching jaws and projections. The catching jaws are formed by cutting at least one corner of an end portion of the light guide plate receiving the light from the lamp unit. The projections extend outwardly from sidewalls of the catching jaws, which respectively have a thinner thickness than the catching jaws. A mold frame receives the light guide plate and the lamp unit and has catching bosses and recesses. The catching bosses are formed at positions corresponding to the catching jaws on a bottom surface of the mold frame to engage with the catching jaws to fix the light guide plate in the mold frame. The recesses are formed at respective positions corresponding to the projections at sidewalls of the mold frame to receive the projections.

Abstract: A pulsator type washing machine having a washing function and a drying function in one unit, includes a first tub, a second tub disposed in the first tub, and a structure operatively coupled with at least one of the first and second tubs to receive air from the second tub, dehumidify the air and recirculate the dehumidified air back into the second tub to dry laundry in the second tub during a drying operation of the washing machine.

Abstract: A light guide device and a liquid crystal display module and a liquid crystal display device having the light guide device that can minimize the flowing of a light guide plate received in a mold frame by improving the structure of the light guide plate of the liquid crystal display device. A light guide device for receiving a light from a lamp unit and guiding the light to a display unit for displaying an image has a catching jaw is formed by cutting off both corner portion of a first end portion to which the light from the lamp unit is inputted. The width of the first end portion including the catching jaw is wider than the width of a second end portion opposite to the first end portion. Therefore, the catching amount of a catching boss integrally formed with the mold frame and the catching jaw of the light guide plate is remarkably increased and the light guide plate is prevented from being flowed towards the lamp even when exterior impacts are applied to the liquid crystal display device.

Abstract: Method and apparatus for interactively changing an EEPROM data of a video cassette tape recorder. A service menu picture of a service mode is displayed on a television screen if the service mode is selected in response to a first remote controller input. An EEPROM data change menu picture is displayed on the television screen if an EEPROM data change mode in the service menu picture is selected in response to a second remote controller input. A characteristic value selection picture of a driving apparatus for projecting lenses of a three dimensional projector selected item is displayed on the television screen if the item in the EEPROM data change menu picture is selected in response to a third remote controller input. Then, EEPROM data are changed to a selected characteristic value if the characteristic value in the characteristic value selection picture is selected in response to a fourth remote controller input.

Abstract: Method and apparatus for interactively checking an error of a video cassette tape recorder. Whether or not a service mode is selected by a first remote controller input is checked. A menu picture is displayed on a television screen if the service mode is selected. Whether or not an error check mode in the menu picture is selected by a second remote controller input is checked, and then an error check mode picture is displayed on the television screen if the error check mode is selected. A first check operation is performed about a reproducing system and a first check result is stored into a memory, and an insertion request picture which requests an insertion of a test video cassette is displayed on the television screen when the first check operation is finished. A second check operation is performed about the reproducing system while a reproducing is going on after the test video cassette is inserted and a second check result is stored into the memory.

Abstract: A frequency converter for a microwave system includes: a balun having a slot line connected in a parallel T-junction with a first microstrip line for receiving a radio frequency signal; first and second strip lines respectively disposed on either side of the first microstrip line; second and third microstrip lines respectively connected to outer ends of the first and second strip lines to provide signal paths for inputting local oscillation signals and for outputting intermediate frequency signals; first and second open end circuits respectively connected to both ends of the slot line, and a quad diode mixer bridge having a pair of diode connection points connected to the slot line and having another pair of diode connection points respectively connected to the second and third microstrip lines, the radio frequency signal and local oscillation signals being converted into corresponding intermediate signals therein.

Abstract: A device and a method for combining outputs of a plurality of linear power amplifiers while preventing loss of signals.