Abstract: A touch screen display apparatus includes a touch detector for detecting a touch by an object and for generating an input signal, a panel including photo sensor units for capturing an image of the object, and a plurality of light emitting units for realizing an image to be displayed, a signal converter for converting the input signal into an output signal having a plurality of enable periods and at least one disable period, an updating unit for updating a noise determination reference of a sensing signal provided from the photo sensor unit during the at least one disable period, and a noise remove for removing noise from the sensing signal is according to the updated noise determination reference during an enable period of the enable periods.

Abstract: An inkjet printer head includes a substrate, an insulating layer having a groove and disposed on the substrate, a heating member having a concavely curved upper surface and disposed on an upper portion of the groove, an electrode to make contact with the heating member to apply electric current to the heating member, a chamber layer disposed on the heating member, and a nozzle layer having one or more nozzles and disposed on the chamber layer. According to the inkjet printer head, the heating member has a curved structure to increase a length of the heating member, so that resistance of the heating member can be increased. Thus, the heating member can stably operate regardless of current variation applied thereto, and the printing work can be performed.

Abstract: A method and system for encrypting data in a wireless communication system are provided. The system includes a first node for generating a first encryption key using a plurality of encryption key parameters when performing authentication with a second node, for changing a second parameter among the plurality of encryption key parameters to generate a second encryption key being identical to the first encryption key, if a first parameter among the plurality of encryption key parameters is changed during re-authentication between the first node and the second node, for generating the second encryption key using the changed first parameter and the changed second parameter, and for encrypting data to be transmitted to the second node using the second encryption key.

Abstract: The present invention relates to a one-hand lipstick container, which includes: a container main body having a cylinder stood at the center of a body and a center through-hole formed through the center of the cylinder; a container cover that is rotatably connected to the upper portion of the container main body and has an open inlet formed through the upper surface; a cover holder that is combined by a spiral with the outer side of the cylinder of the container main body in the container cover and vertically ascends/descends by rotational force of the container cover; a door that is hinged to the cover holder to open/close the upper portion of the cover holder, opens a passage when the cover holder descends, and closes the passage when the cover holder ascends; a lipstick housing that is combined by a spiral with the inner side of the center through-hole of the container main body in the cover holder, vertically ascends/descends by rotational force of the cover holder, and ascends/descends in the opposite dir

Abstract: A method of manufacturing a cutting tool is disclosed. An object of the manufacturing method of a cutting tool is to reduce contamination of an abrasive layer surface, particularly, agglomeration contamination due to slurry by improving hydrophobicity maintaining performance of an abrasive layer. A cutting tool according to the method of manufacturing comprises an abrasive layer on a base member, the abrasive layer having abrasives bonded to a surface thereof; and a coating on the surface of the abrasive layer that is a hydrophobic material film.

Abstract: A light sensor circuit, includes a light receiving element coupled to a first power supply, a capacitor coupled between the light receiving element and a second power supply, a first transistor including a gate electrode coupled to a first electrode of the capacitor, and a second transistor including a gate electrode coupled to a selection signal line, wherein the first transistor is coupled between the selection signal line and a first electrode of the second transistor, and the second transistor is coupled between a second electrode of the first transistor and an output signal line.

Abstract: The present invention relates to a shutter device for camera used for small-sized digital equipment and includes a base forming a light transmission hole to expose a film or charge-coupled device (CCD) to laser beam; an electromagnet mounted on one side of the base; a driving arm which is mounted on one side of the electromagnet on the base so as to pivot on the base; a first shutter and a second shutter to open and close the light transmission hole, which pivots on the part of the base in association with the pivoting of the driving arm; and a magnetic which is installed on the driving arm and has the north magnetic pole and the south magnetic pole at opposite ends of the magnetic or on surfaces opposite to the electromagnet.

Abstract: A backlight unit according to an embodiment includes: a plurality of optical assemblies each including a light source generating light, a light guide plate having a first part through which light travels inside and a second part diffusing upward the light traveling inside through the first part; and a diffusion pattern selectively disposed at the portions corresponding to interfaces between the light guide plates on the optical assemblies.

Abstract: The present invention relates to multi-chambers having a unit for safely separating a cap, the multi chambers including: a chamber body that separates and receives one or more liquid; a plurality of brush rods that are immersed in each chamber of the chamber body; a cap that selectively takes out any one selected from the plurality of brush rods received in the case body; and a unit for safely separating a cap that is coupled with the lower part of the cap in an idle state and has its lower end screw-connected with the upper side of the case body. The present invention according to the above configuration separates and receives one or more liquid into one chamber, selectively select brush rods immersed in each liquid using the cap coupled with the upper end of the chamber, and safely and smoothly separate and take out the brush rod from the chamber body using the unit for safely separating a cap without the splashing phenomenon, thereby making it possible to improve the feeling of use and the product quality.

Abstract: A method of producing 1,3-butadiene by the oxidative dehydrogenation of n-butene using a continuous-flow dual-bed reactor designed such that two kinds of catalysts charged in a fixed-bed reactor are not physically mixed. More particularly, a method of producing 1,3-butadiene by the oxidative dehydrogenation of n-butene using a C4 mixture including n-butene and n-butane as reactants and using a continuous-flow dual-bed reactor in which a multi-component bismuth molybdate catalyst and a zinc ferrite catalyst having different reaction activity in the oxidative dehydrogenation reaction of n-butene isomers (1-butene, trans-2-butene, cis-2-butene).

Abstract: The present invention relates to a single container for multi-applicator with single or multi-housing chambers, the single container including: a body part in which one or more kinds of liquids are contained in a separated state from each other; a plurality of brush rod parts submergedly disposed in a plurality of housing chambers of the body part; and a cap part detachably coupled to the top end periphery of the body part so as to take out any selected one of the plurality of brush rod parts in the state of being coupled to the plurality of brush rod parts.

Abstract: The mascara container with curling tongs includes mascara container with curling tongs includes a handle having an operation switch formed on the circumference thereof; an operation member that is formed to project from the front end of the handle and is transferred in the forward and backward direction of the handle by the operation of the operation switch; a first elastic member that is mounted between the front end of the handle and the operation member; a supporting rod that is formed to cover the operation member projecting from the front end of the handle; curling tongs that are coupled to one end of the operation member and are opened and closed by the forward and backward transfer of the handle so as to shape eyelashes into a desired pattern; an elastic connection portion that is formed to extend from the supporting rod so as to cover the coupled portion between one end of the operation member and the curling tongs; and a container that is coupled to the handle.

Abstract: The present invention relates to a transition metal complex useful as a transition metal catalyst in the preparation of an ethylene homopolymer or a copolymer of ethylene and an ?-olefin, a catalyst composition comprising the same and a process of preparing an ethylene homopolymer or a copolymer of ethylene and an ?-olefin using the same. More particularly, it relates to a transition metal complex having a cyclopentadiene derivative and at least one phenyl oxide ligand substituted at the 2-position of phenyl with, for example, a silyl group having a C1-C30 hydrocarbon group or a C1-C20 hydrocarbon group, around a group IV transition metal, with no crosslinkage between the ligands, a catalyst composition comprising the transition metal complex and a cocatalyst selected from the group consisting of an aluminoxane and a boron compound, and a process for preparing an ethylene homopolymer or a copolymer of ethylene and an ?-olefin using the same.

Abstract: Disclosed herein is a method of regenerating a titanium-containing molecular sieve catalyst. Particularly, this invention provides a method of regenerating a titanium-containing molecular sieve catalyst used in epoxidation of olefin through simple treatment using a mixture solvent comprising aqueous hydrogen peroxide and alcohol. According to the method of this invention, when the catalyst having decreased activity is regenerated, the activity of the regenerated catalyst is equal to that of new catalyst and can be maintained stable for a long period of time.

Abstract: The present invention relates to an arylphenoxy catalyst system producing an ethylene homopolymer or copolymers of ethylene and ?-olefins, and a method of producing an ethylene homopolymer or copolymers of ethylene and ?-olefins having a high molecular weight under a high temperature solution polymerization condition using the same. The catalyst system includes a group IV arylphenoxy-based transition metal catalyst and an aluminoxane cocatalyst or a boron compound cocatalyst. In the transition metal catalyst, a cyclopentadiene derivative and arylphenoxide as fixed ligands are located around the group IV transition metal, arylphenoxide is substituted with at least one aryl derivative and is located at the ortho position thereof, and the ligands are not crosslinked to each other. The catalyst includes an environmentally-friendly raw material, synthesis of the catalyst is economical, and thermal stability of the catalyst is excellent.

Abstract: A method of producing a mixed manganese ferrite catalyst, and a method of preparing 1,3-butadiene using the mixed manganese ferrite catalyst. Specifically, a method of producing a mixed manganese ferrite catalyst through a coprecipitation method which is performed at a temperature of 10˜40° C., and a method of preparing 1,3-butadiene using the mixed manganese ferrite catalyst through an oxidative dehydrogenation reaction, in which a C4 mixture containing n-butene, n-butane and other impurities is directly used as reactants without performing additional n-butane separation process or n-butene extraction. 1,3-butadiene can be prepared directly using a C4 mixture including n-butane at a high concentration as a reactant through an oxidative hydrogenation reaction without performing an additional n-butane separation process, and 1,3-butadiene, having high activity, can be also obtained in high yield for a long period of time.

Abstract: A process for the production of lower alkyl alkoxyacetates, preferably methyl methoxyacetate, by reaction of a di-(lower alkoxy)methane, preferably dimethoxymethane, with the acid form of a medium-pore or large-pore zeolite catalyst, preferably the acid form of faujasite, ZSM-5, mordenite, or beta, in the gas phase at atmospheric or near-atmospheric pressures.

Abstract: The present invention provides a mascara brush, which is manufactured through a double injection molding process, thus reducing production costs and enhancing workability and productivity. The mascara brush of the present invention includes a bristle part (120), for applying mascara to eyelashes, and a comb part (130) for tidying the eyelashes. The bristle part has a cylindrical brush body (110) and bristles (121), which are formed around the brush body through an injection molding process. The comb part is formed such that part of the comb part is embedded in the brush body. The bristle part and the comb part are formed through double injection molding. Furthermore, each bristle may have branches to thus have a snowflake shape, thus increasing its ability to absorb mascara.

Abstract: A photovoltaic power conditioning system and method is provided. The system includes an isolated DC/DC converter (41), a DC/AC inverter (42), and a sine filter (43). The isolated DC/DC converter (41) receives a DC voltage from a solar cell through a parallel connection structure and converts the DC voltage into another DC voltage and then outputs the converted DC voltage through a series connection structure. The DC/AC inverter (42) converts the DC voltage output from the isolated DC/DC converter into an AC voltage. The sine filter (43) performs sine filtering on the AC voltage output from the DC/AC inverter and outputs the filtered AC voltage. The system employs a topology allowing it to be responsible for part of the output capacity, thereby significantly reducing the required capacity and increasing the system efficiency, so that the system can be applied to small and large-capacity photovoltaic power generation.

Abstract: A stylus pen includes a body portion, and an end portion on the body portion, the end portion including a reflecting unit and adapted to contact a touch screen. The reflecting unit is adapted to reflect light toward a display apparatus including the stylus pen, so light receiving accuracy of a photosensor in the display apparatus is increased.