Abstract: The present invention relates to a composite honeycomb sandwich panel equipped with a composite rail aluminum I-shaped side insert, and more specifically, to an improved structure of a hybrid composite sandwich panel having a laminated composite skin and an aluminum honeycomb core which is mechanically improved in terms of assembly, strength and weight. The composite honeycomb sandwich panel includes: a planar honeycomb core; a composite rail which is wrapped around the periphery of the honeycomb core and has therein a hollow space that is open on opposite sides thereof; an I-shaped center rail insert which is fitted into the hollow space of the composite rail so that the sandwich panel is connected to an adjacent sandwich panel by bolting through the I-shaped center rail insert; and laminated composite skins which cover upper and lower surfaces of the honeycomb core having the composite rail wrapped around.

Abstract: A variable valve lift device equipped with a swing arm variably lifting an exhaust valve or an intake valve may include an outer body in which a mounting groove is formed in the middle portion thereof, an inner body mounted inside the mounting groove of the outer body and with a rear end thereof pivotally-connected to the outer body in the outer body, and a latching portion formed in the outer body and the inner body and fixing or releasing a front end portion of the inner body to the outer body.

Abstract: A variable compression ratio device including a piston, a crankshaft, and a connecting rod may include an eccentric bearing that contacts an exterior circumference of the piston pin, wherein an exterior circumference of the eccentric bearing contacts an interior circumference of a ring formed at the small end of the connecting rod, a ratchet rod slidably coupled inside the piston pin and movable along a longitudinal direction, a variable slider that selectively contacts one of both ends of the ratchet rod, and that is disposed at both sides of a cylinder for pushing the one of both ends of the ratchet rod in an opposite direction, and a guide plate for reciprocally moving both variable sliders along a vertical direction of the ratchet rod.

Abstract: A variable tappet may include an outer tappet body, an inner tappet body that is slidably disposed within the outer tappet body and selectively connected with the outer tappet body, a lost motion elastic member that is disposed within the outer tappet body and elastically supports the outer tappet body, and a connecting unit that is slidably disposed within the inner tappet body and selectively connects the outer tappet body and the inner tappet body.

Abstract: A variable compression ratio apparatus may include an external piston, a piston pin mounted in the external piston and a connecting rod, including an internal piston including a slot and sliding in an interior circumference of the external piston, wherein the piston pin passes through the internal piston and the external piston, a latching pin passing through the piston pin and selectively sliding therein, variable sliders disposed to selectively contact one of both ends of the latching pin, at both sides thereof to push the one of the both ends to the opposite side, and a support plate slidably supporting the variable sliders such that the variable sliders reciprocate perpendicular to length direction of the latching pin, wherein one end of a connecting arm selectively rotating may be connected to the variable slider and a sliding direction of the variable sliders may be controlled by rotation of the connecting arm.

Abstract: An error resilient coding method using adaptive additional image information is provided comprising determining a priority order of header data, adaptively configuring additional image information according to the priority order, and coding the additional image information and adding the coded additional image information to original image information.

Abstract: A method of providing an Application Store (AppStore) service is provided. The method includes executing searching application, transmitting first request message to a directory service server, the first request message including a request for an AppStore list, receiving a first response message including the AppStore list from the directory service server, transmitting a second request message to at least one AppStore server that is selected from the AppStore list, the second request message including a request for a browser application, receiving a second response message including the browser application from at least one AppStore server, and creating items corresponding to the browser application and displaying the items as a list.

Abstract: Provided herein are apparatuses, systems and methods for generating concentration gradients of soluble molecules. Also, provided herein devices and methods for generating in vitro blood vessels.

Abstract: An apparatus for inspecting a light emitting diode (LED) package is provided to inspect an LED to determine whether or not it is defective, and discard the LED when the LED is defective. The apparatus for inspecting an LED package includes: an inspection unit inspecting an LED through a visual inspection to determine whether or not the LED is defective; and a defective product rejection unit discarding the LED when the LED is determined to be defective on the basis of inspection results from the inspection unit among LEDs supplied from the inspection unit. Because the operation of inspecting LEDs and discarding a defective LED are automated and can be rapidly processed as a sequential process, productivity can be improved.

Abstract: A compression ignition gasoline engine uses low-cetane number fuel, such as gasoline. The engine includes a combustion control device having an injector directly injecting fuel into a combustion chamber, intake and exhaust valves, and a variable valve device changing a valve timing, in which the compression ignition gasoline engine includes: at least two intake valves and two exhaust valves; a spark plug positioned at the center portion of the combustion chamber; and an injector positioned adjacent to the spark plug toward the center portion of the combustion chamber, in which the exhaust valve is a symmetric valve lift in which the lift and the opening section of the tow exhaust valves are the same in low lift, and the intake valve is an asymmetric valve lift in which the lift and the opening of the two intake valves are different in the low lift.

Abstract: A variable compression ratio device including a piston, a crankshaft, and a connecting rod may include an eccentric bearing that contacts an exterior circumference of the piston pin, wherein an exterior circumference of the eccentric bearing contacts an interior circumference of a ring formed at the small end of the connecting rod, a ratchet rod slidably coupled inside the piston pin and movable along a longitudinal direction, a variable slider that selectively contacts one of both ends of the ratchet rod, and that is disposed at both sides of a cylinder for pushing the one of both ends of the ratchet rod in an opposite direction, and a guide plate for reciprocally moving both variable sliders along a vertical direction of the ratchet rod.

Abstract: Provided are bifunctional magnetic core-semiconductor shell nanoparticles and a manufacturing method thereof. The method includes mixing magnetic core material precursors and a reducing agent for the core material precursors; preparing a first mixture solution; heating and cooling the first mixture solution and preparing magnetic core materials; mixing the magnetic core materials with semiconductor shell material precursors and a reducing agent for the semiconductor shell material precursors; preparing a second mixture solution; and heating and cooling the second mixture solution and coating the magnetic core materials with the semiconductor shell materials.

Abstract: A variable valve lift device equipped with a swing arm variably lifting an exhaust valve or an intake valve may include an outer body in which a mounting groove is formed in the middle portion thereof, an inner body mounted inside the mounting groove of the outer body and with a rear end thereof pivotally-connected to the outer body in the outer body, and a latching portion formed in the outer body and the inner body and fixing or releasing a front end portion of the inner body to the outer body.

Abstract: A liquid crystal display (LCD) device includes: a liquid crystal panel; a plurality of lamps disposed under the liquid crystal panel, supplying light to the liquid crystal panel; a diffusion plate disposed above the lamps and diffusing light emitted from the lamps; a diffusion sheet disposed on the diffusion plate and including a plurality of reflection patterns formed on a region of a rear surface adjacent to the lamps and including reflection beads reflecting a portion of light from the diffusion plate, wherein the respective reflection patterns of the diffusion sheet are formed to extend in a direction parallel to a lengthwise direction of the lamps.

Abstract: A liquid crystal display (LCD) device includes: an LC panel; a lamp disposed below the LC panel, for supplying light to the LC panel; a lamp housing having an opening, for encompassing and protecting the lamp; first and second diffusion reflection sheets disposed on end portions of inner lower and upper surfaces of the lamp housing, respectively; and a light guide plate disposed to be adjacent to the opening of the lamp housing, for guiding light emitted from the lamp to the LC panel.

Abstract: Disclosed are an Fe—Au barcode type nanowire and a method of manufacturing the same. The nanowire has a magnetic-optical multifunction and is suitable for adjusting magnetic intensity thereof. The Fe—Au nanowire has a multilayered structure, in which an iron layer and a gold layer are alternately and repeatedly formed, and is formed in a single plating bath through a pulse electro-deposition.

Abstract: Disclosed is a power management method for portable electronic terminals. According to the present invention, a priority rank is decided in accordance with the user's intention, or on the degree of importance of each functional module, or on the operation time thereof. Therefore, when power is deficient, the modules with lower priorities are not provided with power temporarily, but operation of the modules with higher priorities is guaranteed.

Abstract: A comprehensive measurement of properties of a polishing pad of a CMP apparatus is used to create a database by which the CMP apparatus can be maintained and the polishing process can be precisely controlled. The measuring apparatus includes a measuring table and a control section. The measuring table has a flat top surface on which the polishing pad is placed, a camera, a sensor for sensing the relative location of the top surface of the polishing pad, a bracket to which the camera and the sensor are fixed, and an X-Y drive for moving the bracket in X- and Y-directions orthogonal to each other. The control section controls the operation of the camera, the sensor and the X-Y drive, and processes signals from the camera and sensor, so that a profile of the surface of the polishing pad can be discerned and an image of the surface of the polishing pad can be produced.

Abstract: A chemical mechanical polishing apparatus includes a polishing pad, a wafer carrier, a first ring, a second ring, a pad conditioning unit and at least one cleaning solution supply pipe. The first ring surrounds the semiconductor wafer and the edge of the wafer carrier. The second ring surrounds the first ring. The cleaning solution supply pipes are connected to the second ring and/or to the pad conditioning unit to supply the cleaning solution into the gaps between the rings, the wafer carrier and portions of the pad conditioning unit to remove solidified slurry from the gaps.

Abstract: Disclosed is a computer assembly containing an internal power supply that powers both peripherals located within the housing of a computer and peripherals located external to the housing of the computer. The above is accomplished by using a bracket designed to use only internal supply voltage, without the use of an adapter, to connect a computer system to external peripheral devices. The bracket which is attached to an expansion slot of a computer housing, and is made up of a first connecting part, and a second connecting part. The second connecting part is electrically connected to the first connecting part, whereby said bracket is capable of using internal supply voltage of the computer system.