Abstract: An optical disc drive, and a method of driving the optical disc drive are provided. Where the optical disc drive has a connectivity or a compatibility with a host that is incompatible with the optical disc drive, a file system and device information accepted by the host are provided. The host may have a compatibility with limited external medium devices and a specific command set for data exchange. The optical disc drive and the method of driving the optical disc drive may transmit compatible information to the host and select the specific command set accepted by the host, so that the optical disc drive is compatible with the host.

Abstract: An optical disc drive, and a method of driving the optical disc drive are provided. Where the optical disc drive has a connectivity or a compatibility with a host that is incompatible with the optical disc drive, a file system and device information accepted by the host are provided. The host may have a compatibility with limited external medium devices and a specific command set for data exchange. The optical disc drive and the method of driving the optical disc drive may transmit compatible information to the host and select the specific command set accepted by the host, so that the optical disc drive is compatible with the host.

Abstract: A method of recording data on an optical disc in an Incremental Recording mode in which data is partially recordable. The method includes the steps of determining whether the optical disc is formatted and recording data on the optical disc upon determining that the optical disc is not formatted; checking a state of the optical disc in a recording management area in which disc information is recorded; and erasing, after the checking step, data ranging from a next writable address to a predetermined block upon determining that the optical disc is a Minimal Blank disc in which data is erased from the recording management area to a lead-in area.

Abstract: A washing machine includes a drum; a discharging duct communicating with the drum, and discharging inner air of the drum; a supplying duct communicating with the drum, and supplying external air into the drum to make a flow direction of the external air pass across that of the inner air; and a heat exchanger connected to the discharging and supplying ducts, in which a first air flow path which passes therethrough the inner air discharged outward through the discharging duct and a second air flow path which passes therethrough the external air supplied into the drum through the supplying duct cross each other. The washing machine may also include a humidity regulating part which reduces the humidity of the inner air as it is discharged. Thus, the washing machine improves efficiency of heat exchange between the inner air and the external air through the heat exchanger.

Abstract: A disinfecting washing machine includes a disinfecting liquid dispenser, a drive unit and a control unit. The disinfecting liquid dispenser supplies a disinfecting liquid to disinfect laundry. The drive unit outputs first and second voltages to determine a concentration of the disinfecting liquid. The control unit detects the concentration of the disinfecting liquid and controlling the drive unit so that the disinfecting liquid has a concentration within a preset range.

Abstract: A method of controlling a washing machine is provided. The washing machine control method executes a washing process with a wobbling device. In the method, an operation of causing a washboard to wobble and an operation of rotating a spin-drying tub in the washing process are alternately performed. An operation of causing a washboard to wobble in a wobbling position and an operation of rotating a spin-drying tub in a washing process several times to mix laundry is performed, such that upper laundry and lower laundry can be uniformly washed, thus improving a laundry cleaning performance. Further, entangled laundry can be prevented from being rinsed by causing the washboard to wobble in the wobbling position before rinsing water is supplied.

Abstract: A washing machine includes a wobbling device having a rotary blade. The wobbling device causes a wobbling action of a washboard without rotating the washboard during a washing mode operation, and rotates the rotary blade in one direction to allow a sufficient amount of wash water to flow upward through an ascending water current guide and fall from an upper portion of a spin-drying tub onto clothes contained in the spin-drying tub, thus effectively washing the clothes. The washboard is installed at a lower portion in the spin-drying tub such that it wobbles upward and downward. The rotary blade is installed under the washboard, and is rotated in one direction by torque of a washing shaft. The rotary blade is fitted over a boss which couples a vertical rotary shaft of the wobbling device to the washing shaft, and is rotated by the torque of the washing shaft. The water current guide extends along a sidewall of the spin-drying tub from a lower end to an upper end of the spin-drying tub.

Abstract: A method of controlling a washing machine having a wobbling device. The wobbling device is switched to a leveling position to operate a spin-drying tub and a washboard and to a wobbling position to operate the washboard. The control method of the washing machine includes the steps of detecting the load of laundry, supplying water through a plurality of stages if the detected load of laundry is lighter than a predetermined reference load, and operating a pulsator in each of the stages through which water is supplied.

Abstract: A washing machine which washes laundry by wobbling a washing board mounted on an inner surface of a bottom of a spin-drying tub, and a method of controlling the same. The washing machine includes a weight detection unit and a control unit. The weight detection unit detects a weight of the laundry using an amount of current flowing through a drive motor of the washing machine, which is used to drive the spin-drying tub and the washing board. The control unit controls an entire washing operation of the washing machine to correspond to the detected weight of the laundry.

Abstract: A drum washing machine includes a drum; a drying duct communicating with the drum; a fan for introducing air into the drying duct; and a heater provided in the drying duct and for heating the air from the fan. The drying duct is insulated so as to prevent heat generated by the heater from being radiated outward. Thus, the drum washing machine prevents heat generated by the heater from being radiated from the drying duct, thereby reducing heat-loss.

Abstract: A washing machine includes a drum; a discharging duct communicating with the drum, and discharging inner air of the drum; a supplying duct communicating with the drum, and supplying external air into the drum to make a flow direction of the external air pass across that of the inner air; and a heat exchanger connected to the discharging and supplying ducts, in which a first air flow path which passes therethrough the inner air discharged outward through the discharging duct and a second air flow path which passes therethrough the external air supplied into the drum through the supplying duct cross each other. The washing machine may also include a humidity regulating part which reduces the humidity of the inner air as it is discharged. Thus, the washing machine improves efficiency of heat exchange between the inner air and the external air through the heat exchanger.

Abstract: A washing machine having a wobbling device. The wobbling device causes a wobbling action of a washboard without rotating the washboard during a washing mode operation, thus effectively washing the clothes. This wobbling device includes a vertical rotary shaft rotated by a washing shaft, and an inclined rotary shaft arranged above the vertical rotary shaft. A first rotary unit couples the inclined rotary shaft to the vertical rotary shaft, thus rotating the two shafts at the same time. An upper surface of the first rotary unit forms a first sloping surface inclined at an angle of inclination. A second rotary unit rotatably receives the inclined rotary shaft therein, and is provided at its lower surface with a second sloping surface corresponding to the first sloping surface of the first rotary unit.

Abstract: Disclosed is a washing machine comprising a heating tank accommodating the washing and washing water; a heating part heating the washing water in the heating tank; and a circulation pump circulating the washing water in the heating tank. With this configuration, the present invention provides the circulation pump circulating washing water in the heating tank, thereby preventing the washing from oxidizing, improving a washing efficiency especially improving a washing efficiency according to washing material, and saving washing water. Further, water supply and drain can be easily performed.

Abstract: A method of recording data on an optical disc in an Incremental Recording mode in which data is partially recordable. The method includes the steps of determining whether the optical disc is formatted and recording data on the optical disc upon determining that the optical disc is not formatted; checking a state of the optical disc in a recording management area in which disc information is recorded; and erasing, after the checking step, data ranging from a next writable address to a predetermined block upon determining that the optical disc is a Minimal Blank disc in which data is erased from the recording management area to a lead-in area.

Abstract: Disclosed is a washing machine comprising a heating tank accommodating the washing and washing water; a heating part heating the washing water in the heating tank; and a circulation pump circulating the washing water in the heating tank. With this configuration, the present invention provides the circulation pump circulating washing water in the heating tank, thereby preventing the washing from oxidizing, improving a washing efficiency especially improving a washing efficiency according to washing material, and saving washing water. Further, water supply and drain can be easily performed.

Abstract: Disclosed is a washing machine comprising a heating tank accommodating the washing and washing water; a heating part heating the washing water in the heating tank; and a circulation pump circulating the washing water in the heating tank. With this configuration, the present invention provides the circulation pump circulating washing water in the heating tank, thereby preventing the washing from oxidizing, improving a washing efficiency especially improving a washing efficiency according to washing material, and saving washing water. Further, water supply and drain can be easily performed.

Abstract: A disinfecting washing machine includes a disinfecting liquid dispenser, a drive unit and a control unit. The disinfecting liquid dispenser supplies a disinfecting liquid to disinfect laundry. The drive unit outputs first and second voltages to determine a concentration of the disinfecting liquid. The control unit detects the concentration of the disinfecting liquid and controlling the drive unit so that the disinfecting liquid has a concentration within a preset range.

Abstract: A washing machine which washes laundry by wobbling a washing board mounted on an inner surface of a bottom of a spin-drying tub, and a method of controlling the same. The washing machine includes a weight detection unit and a control unit. The weight detection unit detects a weight of the laundry using an amount of current flowing through a drive motor of the washing machine, which is used to drive the spin-drying tub and the washing board. The control unit controls an entire washing operation of the washing machine to correspond to the detected weight of the laundry.

Abstract: A method of controlling a washing machine having a wobbling device. The wobbling device is switched to a leveling position to operate a spin-drying tub and a washboard and to a wobbling position to operate the washboard. The control method of the washing machine includes the steps of detecting the load of laundry, supplying water through a plurality of stages if the detected load of laundry is lighter than a predetermined reference load, and operating a pulsator in each of the stages through which water is supplied.

Abstract: A washing machine having a wobbling device. The wobbling device causes a wobbling action of a washboard without rotating the washboard during a washing mode operation, thus effectively washing the clothes. This wobbling device includes a vertical rotary shaft rotated by a washing shaft, and an inclined rotary shaft arranged above the vertical rotary shaft. A first rotary unit couples the inclined rotary shaft to the vertical rotary shaft, thus rotating the two shafts at the same time. An upper surface of the first rotary unit forms a first sloping surface inclined at an angle of inclination. A second rotary unit rotatably receives the inclined rotary shaft therein, and is provided at its lower surface with a second sloping surface corresponding to the first sloping surface of the first rotary unit.