Abstract: An engine cooling system may include a main intake line for supplying external air to an intake manifold attached to an engine including a cylinder block and a cylinder head, a supplementary intake line branched from one side of the main intake line and joined to the other side of the main intake line, an intake route control valve in the main intake line, a main exhaust line for flowing exhaust gas from an exhaust manifold, an exhaust route control valve in the main exhaust line, a turbocharger, an intercooler mounted to the supplementary intake line on a downstream side of the turbocharger, an EGR cooler branched from the exhaust manifold for recirculating the exhaust gas and provided in an EGR line connected to the main intake line; and a cooling line for flowing a coolant supplied from a water pump to cool the EGR cooler, the exhaust route control valve and/or the turbine housing of the turbocharger.

Abstract: A control apparatus of an engine having a turbocharger may include the engine generating power by combustion of a fuel, the turbocharger including a turbine operated by exhaust gas of the engine and a compressor connected to the turbine by a rotating shaft, and thus supercharging air to a combustion chamber provided in the engine by the compressor, a detecting sensor detecting pre-ignition in the combustion chamber of the engine, and a controller controlling supercharging pressure supplied to the combustion chamber by using a required torque, ignition timing of the combustion chamber, and an air-fuel ratio, and thus controlling the pre-ignition in the combustion chamber, when the pre-ignition in the combustion chamber may be detected by the detecting sensor.

Abstract: An engine system may include a first intake line configured to supply external air to an intake manifold mounted in a cylinder block of an engine, an intake bypass valve disposed on the first intake line, a second intake line configured to bypass the intake bypass valve, a first exhaust line, through which exhaust gas discharged from an exhaust manifold mounted in the cylinder block flows, an exhaust bypass valve disposed on the first exhaust line, a second exhaust line configured to bypass the exhaust bypass valve, a turbo charger operated by exhaust gas passing through the second exhaust line, and configured to pump intake air flowing in the second intake line, a controller configured to control the intake bypass valve and the exhaust bypass valve, and a turbine housing configured to surround a turbine of the turbo charger. The turbine housing may be made of a material the same as that of a cylinder head of the engine.

Abstract: An engine system may include an intake route control valve installed on a first intake line supplying outdoor air to an intake manifold; a second intake line bypassing the first intake route control valve; an exhaust route control valve installed on a first exhaust line on which exhaust gas discharged from an exhaust manifold flows; a turbo charger which includes: a turbine actuated by exhaust gas passing through a second exhaust line that bypasses the exhaust route control valve; and a compressor pumping intake air that flows on the second intake line; a turbine housing which is mounted with the turbine and made of an aluminum alloy; an electric water pump which pumps cooling water circulated in the turbine housing; and a controller which controls the intake route control valve, the exhaust route control valve, and the electric water pump according to an operation condition.

Abstract: A control method for a turbocharger system may include controlling opening levels of an intake bypass valve, an exhaust bypass valve, and a throttle valve according to a driving condition of a vehicle by a controller, and executing a series of commands by the controller, including determining whether an engine rpm satisfies a set low/medium speed condition, determining whether an acceleration request condition is satisfied when the engine rpm satisfies the set low/medium speed condition, closing the intake bypass valve, and controlling an opening angle of the exhaust bypass valve according to the acceleration request condition.

Abstract: An image correction apparatus, method and medium which can perform color component correction and geometric correction using the property of a projector projecting light of a plurality of color components of an input image at different times is provided. The image correction method includes sequentially projecting light of a plurality of color components of an input image onto a projection surface at different times, acquiring color components of the projected light, and correcting the input image by comparing the acquired color components with the color components of the input image.

Abstract: An engine system may include a main intake line, a supplementary intake line branched from the main intake line and joined to the main intake line, an intake bypass valve mounted to the main intake line, a main exhaust line mounted to an exhaust manifold, a supplementary exhaust line branched from the exhaust manifold and joined to the main exhaust line, an exhaust bypass valve mounted to the main exhaust line and selectively opening the main exhaust line, a turbocharger disposed adjacent to the supplementary exhaust line and operated by exhaust gas passing through the supplementary exhaust line, and a control unit for controlling the intake bypass valve and the exhaust bypass valve depending on an operation condition, wherein the exhaust gas is re-circulated from an upstream side of the exhaust bypass valve to the main intake line passing through an EGR (Exhaust Gas Recirculation) cooler and an EGR valve.

Abstract: A vision-based augmented reality system using an invisible marker indicates an invisible marker on a target object to be tracked, such that it can rapidly and correctly track the target object by detecting the invisible marker. The augmented reality system includes a target object (TO) including an infrared marker (IM) drawn by an invisible infrared light-emitting material; a visible-ray camera (110) for capturing an image of the TO; an infrared-ray camera (120) for capturing an image of the IM included in the TO image; an optical axis converter for allowing the infrared-ray camera (120) and the visible-ray camera (110) to have the same viewing point; an image processing system (140) for rendering a prepared virtual image to the TO image to generate a new image.

Abstract: Disclosed are a wrist-wearable display apparatus and a method of controlling the same. The disclosed wrist-wearable display apparatus includes a hidden display part connected to a wearable part coupled with a wrist; a main display part positioned over the hidden display part; and a rotation part configured to rotate the main display part, where the hidden display part is not exposed if the main display part is in a default initial position, and an area on at least a portion of the hidden display part is exposed if the main display part is rotated.

Abstract: An engine system may include a first intake line connected to an intake manifold and supplying the intake manifold disposed on a cylinder block with outside air, an intake bypass valve disposed on the first intake line, a second intake line that bypasses the first intake bypass valve to the intake manifold, a first exhaust line through which exhaust gas flows from an exhaust manifold disposed on the cylinder block, an exhaust bypass valve disposed on the first exhaust line, a second exhaust line connected to the exhaust manifold and bypasses the exhaust bypass valve, a turbo charger disposed between the second intake line and the second exhaust line and operated by exhaust gas passing the second exhaust line to pump intake air flowing the second intake line, and a control portion that controls the intake bypass valve and the exhaust bypass valve depending on a driving condition.

Abstract: The present invention relates to a method and system for restoring a transferred mobile service by a mobile transfer service. To this end, the present invention provides a method for restoring a mobile service that releases a mobile transfer state of a first mobile terminal when it is confirmed that a state where the power strength of a common pilot channel received from a second mobile terminal is a previously set threshold value or less is maintained for a previously set threshold time or more. In addition, the present invention provides a method for restoring mobile service that releases a mobile transfer state of the first mobile terminal when it is confirmed that the frequency of a period that is the power threshold value or less of the common pilot channel received from the second mobile terminal exceeds the previously set threshold frequency within the previously set time unit.

Abstract: A vision-based augmented reality system using an invisible marker indicates an invisible marker on a target object to be tracked, such that it can rapidly and correctly track the target object by detecting the invisible marker. The augmented reality system includes a target object (TO) including an infrared marker (IM) drawn by an invisible infrared light-emitting material; a visible-ray camera (110) for capturing an image of the TO; an infrared-ray camera (120) for capturing an image of the IM included in the TO image; an optical axis converter for allowing the infrared-ray camera (120) and the visible-ray camera (110) to have the same viewing point; an image processing system (140) for rendering a prepared virtual image to the TO image to generate a new image.

Abstract: A wearable display device using an augmented reality interface is disclosed. The disclosed device includes: a sensor unit configured to acquire image information; a watch recognition part configured to recognize a watch worn by a user from the acquired image information; an interface image generator part configured to generate a graphic interface image using the recognized watch as a reference and to show the graphic interface image in the acquired image; a control command recognition part configured to recognize a control command using the graphic interface image; and a processor configured to execute the recognized control command. The device provides the advantage of supporting various interface commands without requiring a separate interface device.

Abstract: The present invention relates to a stabilized vitamin C derivative with a peptide molecule linked to vitamin C or a pharmaceutically acceptable salt thereof, a method of preparing the same, and a composition containing the same.

Abstract: A vision-based augmented reality system using an invisible marker indicates an invisible marker on a target object to be tracked, such that it can rapidly and correctly track the target object by detecting the invisible marker. The augmented reality system includes a target object (TO) including an infrared marker (IM) drawn by an invisible infrared light-emitting material; a visible-ray camera (110) for capturing an image of the TO; an infrared-ray camera (120) for capturing an image of the IM included in the TO image; an optical axis converter for allowing the infrared-ray camera (120) and the visible-ray camera (110) to have the same viewing point; an image processing system (140) for rendering a prepared virtual image to the TO image to generate a new image.

Abstract: A method of engine control includes: determining and comparing actual and target supply amounts of EGR gas; sensing an open rate of an EGR valve to control the actual supply amount supplied to an intake line; if the actual supply amount is smaller than the target supply amount and if the EGR-valve open rate is at a maximum, fixing an open rate of a bypass valve installed at a bypass line that bypasses an electrodynamic turbocharger to a minimum open rate; and controlling the EGR-valve open rate in a state in which the bypass-valve open rate is fixed to a minimum open rate. Therefore EGR gas can be more precisely and stably supplied.

Abstract: A method for controlling a robot cleaner includes: detecting a cleaning target space, setting a cleaning region within the detected cleaning space and cleaning the set cleaning region; if the set cleaning region is completely cleaned, moving to a not-yet-cleaned region adjacent to a cleaning completion spot of the cleaning region; and setting a new cleaning region in the not-yet-cleaned region and performing cleaning. Without repeating a cleaning region in the cleaning target space, the robot cleaner can extend its cleaning region, so the cleaning efficiency of the robot cleaner can be improved. Also, the robot cleaner can be smoothly enter a new cleaning target space or released therefrom. In particular, even when the entrance of the new cleaning target space is narrow, the robot cleaner can smoothly enter the new cleaning target space and gets out thereof.

Abstract: A brake negative pressure generating device of a vehicle includes: an electrically-driven supercharger for drawing in, compressing, and supplying outside air; a vacuum chamber connected to an inlet opening of the electrically-driven supercharger and supplying negative pressure for brake force boosting; a negative pressure supply passage for connecting the inlet opening of the electrically-driven supercharger and the vacuum chamber; and a first negative pressure control valve for opening and closing an inlet passage. Accordingly, the electrically-driven supercharger is run to supplement brake negative force if the brake negative force is not sufficient.

Abstract: An apparatus and a method for providing a tactile sensation in cooperation with a display device are disclosed. The disclosed apparatus includes: a display-device communication unit configured to receive information on a virtual image from the display device; a determiner unit configured to determine whether or not a user attempts an interaction with the virtual image by using an image of a user body; and a tactile-sensation provider unit configured to provide a tactile sensation to a preset body part of the user based on a determination result of the determiner unit. The disclosed apparatus can enable the user to interact with a virtual image with verisimilitude.

Abstract: A vision-based augmented reality system using an invisible marker indicates an invisible marker on a target object to be tracked, such that it can rapidly and correctly track the target object by detecting the invisible marker. The augmented reality system includes a target object including an infrared marker drawn by an invisible infrared light-emitting material; a visible-ray camera for capturing an image of the TO; an infrared-ray camera for capturing an image of the IM included in the TO image; an optical axis converter for allowing the infrared-ray camera and the visible-ray camera to have the same viewing point; an image processing system for rendering a prepared virtual image to the TO image to generate a new image.