Abstract: A self check-type flame detector includes a casing provided with a monitoring window formed therein. A wavelength generation unit is disposed inside the casing and generates a wavelength in a direction of the monitoring window. A wavelength detection element is disposed inside the casing and detects the wavelength. A comparison unit is provided with a wavelength DB for storing intensity of a reference wavelength and determines whether the monitoring window has been contaminated. A display unit is located outside the casing and displays a state of the monitoring window. A communication unit is disposed inside the casing and configured to receive operation information for the wavelength generation unit, to provide the operation information to the wavelength generation unit, and to transmit the intensity of the wavelength, or a normal signal or a contamination signal of the monitoring window.

Abstract: In a power saving LED (Light Emitting Diode) display board system, each pixel is formed by combining at least one red LED, at least one blue LED and at least one green LED. The power saving LED display board system includes a power converter; a red LED power supply; a green LED power supply; a blue LED power supply; and a DSP (Digital Signal Processor) for controlling the red LED power supply to convert an electric power supplied from the power converter into a red LED operation power, controlling the green LED power supply to convert the electric power supplied from the power converter into a green LED operation power and controlling the blue LED power supply to convert the electric power supplied from the power converter into a blue LED operation power.

Abstract: Disclosed herein is a method of securing keyboard input information by directly controlling a keyboard controller of a keyboard. The keyboard includes the keyboard controller, an interrupt controller, an input information processing module and a keyboard security module. The method includes a status information checking step of enabling the input information processing module to check status information of the keyboard controller; an interrupt inactivation step of inactivating an interrupt request function of the keyboard controller; an input information encryption step of encrypting the keyboard input information written to the keyboard input/output ports; a transfer step of transferring the encrypted input information to the keyboard security module; and an input information deletion step of deleting the keyboard input information remaining in the keyboard controller.

Abstract: The apparatus for detecting arc occurred in chamber for plasma treatment used for manufacturing semiconductor or LCD panel comprises, a sensor module for sensing the arc; a processor module for processing data from the sensor module; wherein the sensor module includes RGB color sensor for sensing color data of the arc occurred in the chamber, the RGB color sensor is a sensor sensable at least one of red color or green color or blue color of the arc, the apparatus detects the arc by sensing data of color and chroma and brightness of the arc.

Abstract: A probe assembly has insertion holes formed in a base layer provided on a circuit board. Probe pins are inserted into the insertion holes and fixed by a conductive adhesive filled in the insertion holes. The probe pins can be arranged with small pitch without mechanically electrically interfering with neighboring pins using the insertion holes. Furthermore, the base layer is formed of a semiconductor material to prevent a problem caused by a difference in the coefficient of thermal expansion between the base layer and a wafer. Moreover, coplanarity and alignment accuracy of the probe pins can be improved using aligning mask layers or aligning mask in a process of manufacturing the probe assembly. In addition, probe assembly manufacturing time can be reduced by using a pin array frame into which a large number of probe pins are temporarily inserted.

Abstract: A plasma reactor and an etching method using the same are provided. The method includes a first changing step of changing the number or arrangement structure of inductive coils connecting to an RF source power supply unit, a step of applying RF source power and generating high density plasma, a first etching step of etching a first etch-target layer of a workpiece, a first stopping step of stopping applying the RF source power, a second changing step of changing the number or arrangement structure of the inductive coils, a step of applying RF source power to corresponding inductive coils and generating low density plasma, a second etching step of etching a second etch-target layer of the workpiece, and a second stopping step of stopping applying the RF source power.

Abstract: A detachable multifunctional cleaner comprises a handle which has an insertion piece downwardly protruded from one end; a cover which has an insertion hole at one side of an upper surface for inserting the insertion piece; and a foreign substance removing means which is detachably attached to the cover, wherein the insertion piece and the insertion hole are assembled on a vertical line Z with respect to a bottom surface of the cover, and at least one position determination protrusion and at least one position determination groove are formed in the insertion piece and the insertion hole, respectively, for determining the engaging position of the handle.

Abstract: A rotation generating system comprises a base disk defined by a rim, top and bottom surfaces; a ball bearing engaged on and along the disk rim, said ball bearing comprising balls, a ring rotatably engaging the balls to the disk rim, and side supports propping the balls between the disk rim and the ring; and a shaft having first and second ends, wherein the first end is fixed to an eccentric portion of the disk top surface, wherein the shaft is angled with the disk top surface by forty-five (45) degrees.

Abstract: A nose support for glasses including: a fitting fixed to a glass frame by means of welding; a T-shaped fixing leg fixed to the fitting by means of welding; a silicone tube having a first hole and a first insertion groove formed on the upper side thereof, a second hole and a second insertion groove formed on the lower side thereof, a third hole formed to be penetrated into the first insertion groove and the second insertion groove, reinforcement protruding portions formed outside the first insertion groove and the second insertion groove, and a depressed portion formed between the reinforcement protruding portions; a nose pad-coupling fitting having the T-shaped fixing projection fittingly inserted into the second hole and the second insertion groove of the silicone tube; and a nose pad fixed to the nose pad-coupling fitting by means of a screw.

Abstract: Provided is a Java bytecode translating method which includes: a bytecode fetch step (S1 10) that fetches a Java bytecode from a Java class file; a static field address detection and data processing step (S140) which gains access to a field (130) according to a first field address (FA1) and processes data; a static field address storage step (S 150) that stores a first upper field address (FAU1) including upper bits among bits of the first field address (FA1) in a first storage portion (110), and which stores a first lower field address (FAD1) including remainder lower bits excluding the first upper field address (FAU1) among the bits of the first field address (FA1) in an operand field (120b); a static operation code translating step (S 160) that translates an operation code stored in an operation code field (120a) into a new static field accessing operation code (NOPA); a first field address creation step (S240) that creates a second field address (FA2); and a first data processing step (S250) that gains ac

Abstract: A built-up beam fabricated a plurality of profiled steel plates is disclosed. The built-up beam includes a first lower profiled steel plate including a bottom portion, a side-vertical portion bent upwardly and vertically from one lateral edge of the bottom portion, a supporting portion bent horizontally from an upper end of the side-vertical portion, and a first center-vertical portion bent vertically and upwardly from the other lateral edge of the bottom portion. A second lower profiled steel plate is arranged symmetrically about the first center-vertical portion of the first lower profiled steel plate and connected to the first lower profiled steel plate. The second lower profiled steel plate has a cross-section symmetrical or asymmetrical to the first lower profiled steel plate.

Abstract: A filter dust collector is disclosed. The filter dust collector includes a housing, filter cloths fixed to an inside of the housing, a filter body part disposed inside the housing and having filter insertion holes, a compressed air supply part coupled to peripheries of the filter insertion holes, a transfer part connected to the filter body part to move the filter body part and the compressed air supply part in a longitudinal direction, a duct suction port formed on a side surface of the housing to suck air to be filtered, a supply port formed on a side surface of the housing to discharge filtered air, and a dust discharge port formed on a side surface of the housing, wherein the filter cloths are positioned at the filter insertion holes, the filter body part and the compressed air supply part move in the longitudinal direction, and the compressed air supply part sprays compressed air to the filter cloths.

Abstract: An apparatus for forming a pattern using a laser is provided. The apparatus includes a pattern storing unit, a controller, a laser oscillating unit, an X-Y driver, a header unit, and a stage. The pattern storing unit stores data on light guide patterns of a discontinuous straight line shape. The controller transmits position signal of the light guide patterns to the X-Y driver and simultaneously, transmits a switching signal to the laser oscillating unit. The laser oscillating unit outputs a laser beam synchronized with a movement of the header unit. The X-Y driver moves the header unit and the stage. The header unit moves along a first guide rail. The stage moves along a fixed second guide rail in the front and rear direction of the light guide panel.

Abstract: A slim-type high voltage transformer includes a case, and a transformer portion configured by mounting at least primary and secondary winding coils wound in the shape of a rectangular or elliptic track to protruding grooves formed in the interior of the case and then mounting a first copperplate core on the primary and secondary winding coils. In the transformer, the transformer portion further includes an insulating member interposed between the primary and secondary winding coils and the first copperplate core. Accordingly, a bobbin for winding a coil is not used, so that the height of the transformer can be minimized, thereby decreasing the size of products. Also, a winding is divided into two sections to be molded, so that the insulation and heat generation of the winding can be effectively controlled, thereby improving the stability of the transformer.

Abstract: An apparatus for forming stress corrosion cracks comprises a heating unit which includes a conductive member and a heating coil disposed adjacent to the conductive member to generate steam pressure in the tube specimen, an end holding unit, and a control unit for controlling the heating unit and the end holding unit. The stress corrosion cracks occurring in the equipment of nuclear power plants or apparatus industries during operation can be directly formed in a tube specimen using steam pressure under conditions similar to those of the actual environment of nuclear power plants, thus increasing accuracy for analysis of properties of stress corrosion cracks which are in actuality generated, thereby improving reliability of nuclear power plants or apparatus industries and effectively assuring nondestructive testing capability, resulting in very useful industrial applicability.

Abstract: A stereoscopic TFT-LCD with a wire grid polarizer affixed to internal surfaces substrates is provided wherein a thin film polarizing film formed by accurately processing a thin aluminum film, a polarizing film of a nano imprint lithography method that uses polymer, and a polarizing film and a liquid crystal material that form a polarizing nano material thin film by uniformly coating a polarizing nano material (TCF), wherein a second 1/2 phase retardation plate and a transparent unit are formed integrally with each other on the same plane in a chessboard shape, wherein a third polarizing region and a fourth polarizing region are formed integrally with each other on the same plane in a chessboard shape, and wherein a 1/4 phase retardation plate is disposed at a front surface of the second transparent substrate so as to produce circularly-polarized light.

Abstract: An apparatus for forming a pattern is provided. The apparatus includes a pattern storing unit, a controller, a laser oscillating unit, an X-Y driver, a header unit, and a stage. The pattern storing unit stores data on a light guide pattern. The controller reads out the data on the light guide pattern, and transmits a position signal of each light guide pattern to the X-Y driver and simultaneously, transmits a switching signal to the laser oscillating unit. The laser oscillating unit outputs a laser beam synchronized with a movement of a header unit. The X-Y driver moves the header unit and the stage. The header unit moves along a fixed first guide rail in the left and right direction of the light guide panel. The stage moves along a fixed second guide rail in the front and rear direction of the light guide panel.

Abstract: A stereoscopic TFT-LCD with a wire grid polarizer affixed to internal surfaces substrates, applies to a LCD device having a thin polarizing film and a thin phase retardation film to display a 2D image and a 3D image, a thin film polarizing film formed by accurately processing a thin aluminum film, a polarizing film of a nano imprint lithography method that uses polymer, and a polarizing film and a liquid crystal material that form a polarizing nano material thin film by uniformly coating a polarizing nano material (TCF), wherein a ¼ phase retardation plate is disposed at a front surface of the second transparent substrate so as to produce circularly-polarized light.