Abstract: A variable compression ratio apparatus includes: a piston defining a combustion chamber, a connecting rod connected to the piston; an eccentric link eccentrically connected to the piston, a swing link connected to the eccentric link so as to rotate the eccentric link, a crankpin to which the connecting rod is connected, and a crank web disposed at both sides of the crankpin and provided with a guide portion for guiding downward motions of the eccentric link and the swing link when the eccentric link and the swing link move downward. Thereby, the downward motions of the eccentric link and the swing link are stabilized.

Abstract: An engine may include a crankshaft, a piston, a connecting rod that connects a crank pin of the crankshaft with the piston, and a compression ratio variable device that varies a distance between the piston and the crank pin, wherein the compress ratio variable device includes: a block cover mounted on an outside of the engine block and a cover journal portion and a worm wheel mounting space are formed therein, a control shaft contacting the cover journal portion and an operating arm protruding from an exterior circumference of the control shaft, and a motor portion, wherein a worm connected to the motor portion is mounted to the block cover, the worm being engaged with the worm wheel so as to rotate the control shaft according to the motor portion, wherein a distance between the piston and the crank pin is varied by a rotation of the control shaft.

Abstract: A variable compression ratio apparatus may include a connecting rod having a small end portion having an eccentric bearing installation hole, a large end portion rotatably connected to the crank shaft, and a space portion formed in a longitudinal direction of the connecting rod and communicated with the eccentric bearing installation hole, a piston pin fixedly, an eccentric bearing rotatably engaged to the eccentric bearing installation hole and coupled to the piston pin through a pin installation hole of the eccentric bearing, wherein the piston pin may be offset from a center axis of the eccentric bearing, an eccentric link connected to the eccentric bearing, a variable link rotatably connected to the eccentric link, a control link rotatably connected to the variable link, and a control shaft provided in the control link to rotate the control link, wherein the eccentric link may be rotated within the space portion.

Abstract: A variable compression ratio apparatus mounted on an engine configured to receive combustion force of a mixer from a piston to rotate a crankshaft, and configured to change a compression ratio of the mixer may include an eccentric bearing assembly connected with the piston through a piston pin, and including an eccentric ring including an eccentric hole through which the piston pin passes so that the piston pin may be rotatably installed while being eccentric to the eccentric ring, and an eccentric link connected to the eccentric ring to transfer rotation force thereof to the eccentric ring, a connecting rod including one end provided with a mounting hole into which the eccentric ring may be rotatably inserted, a central portion provided with an operation hole, wherein the eccentric link may be movable through the operation hole, and the other end rotatably connected to the crankshaft while being eccentric to the crankshaft, and a control shaft connected to the eccentric link and configured to rotate the ecce

Abstract: A variable compression ratio apparatus mounted on an engine may include an eccentric bearing assembly engaged with the piston through a piston pin, and including an eccentric ring having an eccentric hole so that the piston pin may be rotatably installed therethrough while being eccentric to the eccentric ring, and an eccentric link connected to the eccentric ring to transfer rotation force to the eccentric ring, a first connecting rod rotatably installed at an one side in an axial direction of the eccentric ring, a second connecting rod rotatably installed at the other side in the axial direction of the eccentric ring, and a control shaft connected to the eccentric link to rotate the eccentric bearing assembly by transferring the rotation force to the eccentric ring.

Abstract: There are provided a method of transmitting log information on a document using metadata which can manage log information based on the metadata, and a host device, an image forming apparatus and an image forming system using the same method. The method includes: setting up metadata for receiving log information on a document in a host device; storing the set up metadata and printing data of the document; outputting the document; generating the log information on the document; and transmitting the log information using the metadata.

Abstract: A mobile terminal is provided. The mobile terminal includes a display for sensing at least one of a touch or an approach of a pointing means and a controller for controlling brightness of a sensed area according to the sensed touch or the approach of the pointing means.

Abstract: A variable compression ratio apparatus for an engine receiving combustion force of an air-fuel mixture from a piston and rotating a crankshaft, and for changing compression ratio of the air-fuel mixture.

Abstract: A fabricating method of a semiconductor device includes forming an interlayer insulation layer on a substrate, the interlayer insulation layer including a storage node contact plug, forming an etch stop layer on the interlayer insulation layer, the etch stop layer including a silicon layer or a silicon germanium layer, forming a molding insulation layer on the etch stop layer, forming a hole in the molding insulation layer by selectively etching the molding insulation layer until a portion of the etch stop layer is exposed, forming a first conductive layer conformally on an inner surface of the hole and on a top surface of the molding insulation layer, and forming a metal silicide pattern in a predetermined area of the etch stop layer exposed by the molding insulation layer by annealing the first conductive layer and the etch stop layer.

Abstract: A variable compression ratio apparatus may include a connecting rod provided with one end formed of a mounting hole and the other end eccentrically and rotatably connected to a crankshaft, wherein a piston pin may be inserted in the mounting hole and the connecting rod may be rotatably connected to the piston through the piston pin, an eccentric link provided with an eccentric bearing concentrically and rotatably mounted in the mounting hole may be connected and, the piston pin being eccentrically and rotatably mounted in the eccentric bearing, a variable link pivotally connected to the eccentric link, a variable gear link pivotal with respect to a fixed shaft and having a first gear teeth at an exterior circumference thereof, an external circumferential portion thereof being rotatably connected to the variable link, and a control shaft formed of a second gear teeth engaged to the first gear teeth.

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: A mobile terminal and a method of controlling the operation of the mobile terminal are provided. The method includes displaying a first image on a touch screen; and if a multi-touch input is detected from the first image and then a drag input for dragging the first image is detected, displaying the first image as being torn from one side of the touch screen and storing the first image. Therefore, it is possible to easily store an image displayed on the touch screen in response to a multi-touch input and thus to effectively use the image for various purposes.

Abstract: A semiconductor device and method are disclosed in which an interlayer insulating layer is patterned using multiple overlaying masks to define the geometry of contact plugs and corresponding wiring layers separated by fine pitches.