Abstract: Provided herein are an oven and a method of opening or closing the door. In more detail, disclosed herein are an oven having a door opening or closing unit capable of opening or closing a door driven by remote control and a method of opening or closing the door of the oven. Some of embodiments provide an oven capable of opening or closing a door by using a door opening or closing unit according to remote control and a method of opening or closing the door of the oven.

Abstract: A robot cleaner includes a body; a driving unit; at least one sensor configured to detect an obstacle; a cleaning unit, the cleaning unit including a brush unit and a fan unit; a dust box to store dust inside of the dust box, the dust box being detachably mounted to the body; and a dust sensing unit including a light emitting unit to transmit light and a light receiving sensor to sense the light transmitted by the light emitting unit, the light emitting unit and the light receiving sensor being fixed on the body and outside of the dust box, and the light emitting unit being configured to transmit light through the inside of the dust box. The driving unit, the at least one sensor, the cleaning unit, the dust box, and the dust sensing unit are positioned on or in the body of the robot cleaner.

Abstract: The present invention provides an apparatus for screening cancer, which reads low-mass ion mass spectrum for diagnosing cancer based on biostatistical analysis with respect to low-mass ions extracted from biological materials, and diagnoses cancer using the low-mass ion spectrum. An apparatus for cancer diagnosis, including a low-mass ion detecting unit which detects mass spectra of low-mass ions of biological materials; a cancer diagnosing unit which compares and analyzes patterns of mass spectra and diagnoses cancer; a display unit which displays cancer diagnosis information from the cancer diagnosing unit.

Abstract: A robot cleaner includes a body; a driving unit; at least one sensor configured to detect an obstacle; a cleaning unit, the cleaning unit including a brush unit and a fan unit; a dust box to store dust inside of the dust box, the dust box being detachably mounted to the body; and a dust sensing unit including a light emitting unit to transmit light and a light receiving sensor to sense the light transmitted by the light emitting unit, the light emitting unit and the light receiving sensor being fixed on the body and outside of the dust box, and the light emitting unit being configured to transmit light through the inside of the dust box. The driving unit, the at least one sensor, the cleaning unit, the dust box, and the dust sensing unit are positioned on or in the body of the robot cleaner.

Abstract: An operation method of a relay base station in a communication network including a central base station, the relay base station, and a terminal may comprise receiving a request message for requesting a low latency service from the terminal; in response to the request message, measuring a signal quality of a radio link between the central base station and the relay station and a signal quality of a radio link between the relay base station and the terminal; determining whether to support the low latency service based on the signal qualities; and when the low latency service is determined to be supported, transmitting downlink data received from the central base station to the terminal without performing modulation and demodulation operations, or transmitting uplink data received from the terminal to the central base station without performing modulation and demodulation operations.

Abstract: An air conditioner according to an aspect of the present invention includes a housing arranged to be mounted on or embedded in a ceiling, a cover panel coupled to a lower portion of the housing, the cover panel including an inlet and an outlet, a blower fan configured to draw in air into the housing through the inlet and discharge air out of the housing through the outlet and a blade configured to open and close the outlet, the blade including a plurality of through holes to control the air discharged out of the housing through the outlet while the blade closes the outlet. With this structure, the air conditioner can discharge air in various ways by varying the wind direction, the wind speed, and the air amount of the discharged air.

Abstract: An air conditioner includes a housing provided with a suction port and a discharge port elongated in one direction on the lateral side of the suction port, a main flow path configured to connect the suction port to the discharge port, a main fan provided in the main flow path to suck air via the suction port and to discharge the air via the discharge port, an auxiliary fan configured to suck the air around the discharge port to regulate the direction of the air which is discharged via the discharge port and an auxiliary flow path configured to guide the air sucked by the auxiliary fan. According to the air conditioner, it is possible to control the direction of the discharge airflow without a blade structure, increase the discharge amount, reduce the flow noise, and differentiate the design.

Abstract: Disclosed are a robot cleaner and a method for controlling the same, capable of controlling a travelling or cleaning pattern of a robot cleaner in accordance with extension and retraction operations of an auxiliary cleaning tool to perform an efficient cleaning operation. The robot cleaner includes a plurality of auxiliary cleaning units mounted to a bottom of the robot cleaner such that the auxiliary cleaning units are extendable and retractable, and a control unit to extend the auxiliary cleaning units while travelling in a wall tracing manner along the periphery of the cleaning region and/or when an obstacle is sensed, and to retract the auxiliary cleaning units while the robot cleaner travels in an inner portion of the cleaning region when traveling of the periphery of the cleaning region is finished.

Abstract: A robot cleaner includes a body to travel on a floor; an obstacle sensing unit to sense an obstacle approaching the body; an auxiliary cleaning unit pivotably mounted to a bottom of the body, to be extendable and retractable; and a control unit to control extension or retraction of the auxiliary cleaning unit based on a pivot angle formed by the auxiliary cleaning unit with respect to a travel direction of the body when the obstacle is sensed.

Abstract: The robot cleaner includes a main body configured to remove dust from a floor while traveling on the floor, the main body having a lateral rim defining the external appearance of a lateral surface of the robot cleaner, and at least one side brush assembly mounted to the main body to clean the corner of the floor. The side brush assembly includes a side arm pivotably coupled to the main body, the side arm moving between a first position where the side arm is inserted into the main body and a second position where the side arm protrudes outward from the lateral rim of the main body, a brush unit provided at the side arm to sweep the floor, and a rim cover coupled to the side arm to form a part of the lateral rim of the main body when the side arm is inserted into the main body.

Abstract: A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap each other on the left and right sides of the docking area, and to transmit a docking guide signal such that the docking guide areas are distinguished as a first docking guide area and a second docking guide area according to an arrival distance of the docking guide signal. The robot cleaner system also includes a robot cleaner to move to the docking area along a boundary between the first docking guide area and the second docking guide area when the docking guide signal is sensed and to move along the docking area so as to perform docking when reaching the docking area.

Abstract: Disclosed herein are a robot cleaner having an improved travel pattern and a control method thereof. The robot cleaner performs cleaning using zigzag travel as a basic cleaning traveling manner, and then performs cleaning using random travel as a finishing cleaning traveling manner so as to clean areas skipped during the zigzag travel. The robot cleaner performs the zigzag travel while maintaining a designated interval with a travel route proceeding to a wall regardless of a direction proceeding to the wall, and employs an improved zigzag travel method to maintain a zigzag travel pattern, if the robot cleaner senses an obstacle during the zigzag travel.

Abstract: A robot cleaner provided with a shutter to open or close an inlet of a dust box when the dust box is separated from a body of the robot cleaner. Another robot cleaner, which docks with an automatic exhaust station, is also disclosed, together with the automatic exhaust station. The latter robot cleaner includes a shutter to be automatically opened by air discharged from the automatic exhaust station in a docked state of the robot cleaner to exhaust dust from the dust box, in order to allow even heavy dust to be easily exhausted.

Abstract: A robot cleaner which does not stop to change a traveling direction thereof, and a control method thereof includes setting a territory about which cleaning will be performed based on position data acquired during traveling about a cleaning area, predetermining a cleaning path to clean the territory about which cleaning will be performed, and if the cleaning path includes a zigzag traveling path, changing the traveling direction of the robot cleaner by executing curved traveling of the robot cleaner during traveling along the zigzag traveling path, thus decreasing the time required to clean an area during a change of the traveling direction of the robot cleaner.

Abstract: The present invention provides a method for determining low mass ions for diagnosing colorectal cancer by using a MALDI-TOF mass spectrometer to biostatistically analyze low mass ions, which are extracted from a biological sample, and a method for providing information for diagnosing colorectal cancer using same. The present inventions can provide a diagnostic method, which requires low cost and a short time for analysis, can analyze large areas, and which can provide superior and credible discriminations.

Abstract: A robot cleaner and a control method for the same are disclosed. The robot cleaner and control method are capable of detecting malfunction of an auxiliary cleaning unit, and controlling travel of the robot cleaner in accordance with the detection result, to achieve efficient cleaning of an edge area even when there is an error in the auxiliary cleaning unit. The robot cleaner includes a plurality of auxiliary cleaning units mounted to a bottom portion of the robot cleaner such that the auxiliary cleaning units are extendable and retractable, a sensing unit to sense an extension, retraction, or rotation state of each of the auxiliary cleaning units, and a control unit to determine whether the auxiliary cleaning units operate normally, based on a sensing result of the sensing unit, and to control travel of the robot cleaner, based on a result of the determination.

Abstract: A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap each other on the left and right sides of the docking area, and to transmit a docking guide signal such that the docking guide areas are distinguished as a first docking guide area and a second docking guide area according to an arrival distance of the docking guide signal. The robot cleaner system also includes a robot cleaner to move to the docking area along a boundary between the first docking guide area and the second docking guide area when the docking guide signal is sensed and to move along the docking area so as to perform docking when reaching the docking area.

Abstract: A robot cleaner includes a body to travel on a floor, an obstacle sensing unit to sense an obstacle approaching the body, an auxiliary cleaning unit mounted to a bottom of the body, to be extendable and retractable, and a control unit to control extension or retraction of the auxiliary cleaning unit when the obstacle is sensed. The control unit recognizes a zone of a charger and performs a control operation to prevent the auxiliary cleaning unit from extending in the charger zone.

Abstract: A robot cleaner includes a main brush to sweep or scatter dust off a floor, a main brush motor to rotate the main brush, a Revolution Per Minute (RPM) detector to detect an RPM of the main brush motor, and a control unit to determine a type of floor according to the RPM of the main brush motor acquired by the RPM detector and control an operation of the robot cleaner based on the determined type of floor. A carpet mode to clean only a carpet area and a hard floor mode to clean a hard floor area excluding the carpet area are given based on detected information relating to the material of a floor, which enables partial cleaning with respect to a cleaning area selected by a user and adjustment in the number of cleaning operations or the intensity of cleaning according to the material of the floor.

Abstract: A robot cleaner includes a body to travel on a floor; an obstacle sensing unit to sense an obstacle approaching the body; an auxiliary cleaning unit mounted to a bottom of the body, to be extendable and retractable; and a control unit to control extension or retraction of the auxiliary cleaning unit when the obstacle is sensed. The control unit prevents the auxiliary cleaning unit from extending if a signal is received from a charger.