Abstract: A pipette for delivering a measured volume of liquid having an elongated hollow tubular body (or capillary tube) (2) configured to draw liquid by capillary action, the hollow tubular body having a lower open end and an upper open end; and a chamber (3) structurally connected to the upper end of the tubular body (2), the chamber having an orifice (4) in the upper portion of the chamber.

Abstract: A display apparatus may include a display unit; an image receiver which receives an image signal; an image processor which processes an image to be displayed on the display unit; a user input unit which receives a user's input; and a controller which displays on the display unit a channel list comprising an image corresponding to a plurality of channels and is used to select the plurality of channels, and upon receiving a channel selection command from a user through the channel list, displays on the display unit additional information code corresponding to the selected channel together with the image corresponding to the selected channel.

Abstract: A broadcasting receiving apparatus is provided. The broadcasting receiving apparatus includes a storage unit which is configured to store information in which broadcasting channel information and user uttered channel names are mapped, a voice receiver which is configured to receive a user uttered voice, including a channel name, a first communicator configured to transmit the received user uttered voice to a first server, and a controller which is configured to search the user uttered channel name corresponding to text information from the storage unit when the text information corresponding to the user uttered voice is received from the first server, and control channel switching to a channel corresponding to the broadcasting channel information mapped with the searched user uttered channel name.

Abstract: The present invention relates to a Hangeul input keypad and a method using the same. Basic consonants and basic vowels are assigned to the Hangeul input keypad, the number of the basic consonant-assigned keys is less than that of the basic vowel-assigned keys, the consonant keys and the vowel keys are disposed separately, and a shift key converting the basic consonants to extended consonants is disposed adjacent to the consonant keys to which the basic consonants convertible to the extended consonants are assigned. The Hangeul input keypad and method according to the present invention improves speed of Hangeul input, provides convenience in operation of consonant keys and a shift key, and ease of a user's learning of the Hangeul input method by optimizing the disposition of the consonants and vowels.

Abstract: Provided are a window cleaning apparatus including first and second cleaning units which are respectively attached on both surfaces of a window using a magnetic force to move together with each other, and a method for controlling a movement of the window cleaning apparatus. The window cleaning apparatus includes a direction detecting sensor, a control part, a collision sensing part, and an offset setting part. The direction detecting sensor is provided to at least one of the first and second cleaning units to detect a moving direction of the window cleaning apparatus. The control part controls a movement of the window cleaning apparatus, based on the moving direction detected by the direction detecting sensor. The collision sensing part senses a shock to the window cleaning apparatus. The offset setting part sets a direction offset of the direction detecting sensor when the window cleaning apparatus collides with a frame of the window.

Abstract: Disclosed is a method for preparing hollow carbon fibers having an empty space in the cross section thereof. More specifically, the disclosed method includes melt-spinning an acrylonitrile-based polymer by using a supercritical fluid as a plasticizer; drawing spun fibers to prepare hollow precursor fibers; and stabilizing and carbonizing the hollow precursor fibers to prepare the hollow carbon fibers. The hollow carbon fibers obtained by the disclosed method have at least a 10 to 50% lower specific gravity than conventional hollow carbon fibers (solid), but have similar mechanical properties to the conventional fibers. Furthermore, the diameter of carbon fibers can be adjusted, thereby making it possible to widen the application of hollow carbon fibers.

Abstract: Disclosed is a method for preparing hollow carbon fibers having an empty space in the cross section thereof. More specifically, the disclosed method includes preparing a spinning solution of an acrylonitrile-based polymer having a viscosity ranging from 2000 to 5000 poise at room temperature; spinning the prepared spinning solution using a spinneret designed for spinning hollow fibers; super-drawing and drawing spun fibers to prepare hollow precursor fibers; and stabilizing and carbonizing the hollow precursor fibers to prepare the hollow carbon fibers. The hollow carbon fibers obtained by the disclosed method have a lower specific gravity by 10 to 50% than conventional hollow carbon fibers (solid), but have similar mechanical properties to the conventional fibers. Furthermore, in the method, the diameter of carbon fibers can be adjusted. Thus, it is possible to widen the application of hollow carbon fibers.

Abstract: Disclosed is a method for preparing hollow carbon fibers having an empty space in the cross section thereof. More specifically, the disclosed method includes melt-spinning an acrylonitrile-based polymer by using a supercritical fluid as a plasticizer; drawing spun fibers to prepare hollow precursor fibers; and stabilizing and carbonizing the hollow precursor fibers to prepare the hollow carbon fibers. The hollow carbon fibers obtained by the disclosed method have at least a 10 to 50% lower specific gravity than conventional hollow carbon fibers (solid), but have similar mechanical properties to the conventional fibers. Furthermore, the diameter of carbon fibers can be adjusted, thereby making it possible to widen the application of hollow carbon fibers.

Abstract: Disclosed is a method for preparing a precursor fiber for a carbon fiber. The precursor fiber of fine denier according to the present invention is used to prepare a carbon fiber having excellent tensile strength and compressive strength by a conventional single component spinneret using a superdrawing process to prepare a high strength and high elastic carbon fiber with a reduction in stabilization time.

Abstract: Disclosed is a device and method for joining a composite and a metallic material which can stably join a composite and a metallic plate while improving the joint strength thereof. The device includes a fastening end formed at the center of the end face of the first joint end of the composite to protrude integrally, and a fastening slot formed at the center of the end face of the second joint end of the metallic material. The fastening end of the composite is fitted and fastened in the fastening slot of the metallic material, a female screw is inserted along the thickness direction through the fitted and fastened part between the fastening end and the fastening slot, and a male screw is fitted in and fastened to the female screw.

Abstract: A window cleaning apparatus includes a first cleaning unit and a second cleaning unit that is attached to both sides of a window, respectively, by a magnetic force and moved on the sides, and a method of controlling a movement of the window cleaning apparatus. The method includes detecting the first initial attachment position of the window cleaning apparatus and moving the window cleaning apparatus close to the detected initial attachment position after cleaning.

Abstract: A window cleaning apparatus includes a first cleaning unit and a second cleaning unit that is attached to both sides of a window, respectively, by a magnetic force and moved on the sides, and a method of controlling a movement of the window cleaning apparatus. The method includes detecting the first initial attachment position of the window cleaning apparatus and moving the window cleaning apparatus close to the detected initial attachment position after cleaning.

Abstract: There is provided an electronic device. The electronic device includes: a main board formed with a cut out and comprising first and second surfaces facing each other; and an electronic component comprising a sub board and a casing and connected to the main board. A part of the electronic component is accommodated in the cut out of the main board across the first and second surfaces of the main board. The sub board and the main board are spaced from each other without overlap.

Abstract: The present invention relates to a strip for an improved lateral flow assay of a biological sample on a single plane and a lateral flow chromatography assay using a test device containing the same. The strip of the present invention consists of a single-pad, which can improve lateral flow assay by providing an easy and simple procedure and clear visual reading. The strip of the present invention is consisted of sample application (sample) zone and reactant-resultant zone where the reaction mixture is deposited (reactant) are all on a same plane. In addition, the present invention provides a chromatographic method wherein hemoglobin is separated from analyte by a differential chromatography on the solid phase. Any interference of detection of the result by hemoglobin is removed by the present invention. The present invention provides advantages including an easy and simple procedure with a quick and clear response.

Abstract: A broadcast receiving apparatus is provided. The broadcast receiving apparatus includes a communication interface unit which receives a new application corresponding to a new service; a determination unit which installs the new application in the second operating system and determines whether the new application normally operates in the second operating system; and a control unit which, when the new application normally operates in the second operating system, installs the new application in the first operating system.

Abstract: There is provided an electronic device. The electronic device includes: a main board formed with a cut out and comprising first and second surfaces facing each other; and an electronic component comprising a sub board and a casing and connected to the main board. A part of the electronic component is accommodated in the cut out of the main board across the first and second surfaces of the main board. The sub board and the main board are spaced from each other without overlap.

Abstract: There is provided an electronic device. The electronic device includes: a main board formed with a cut out and comprising first and second surfaces facing each other; and an electronic component comprising a sub board and a casing and connected to the main board. A part of the electronic component is accommodated in the cut out of the main board across the first and second surfaces of the main board. The sub board and the main board are spaced from each other without overlap.

Abstract: A display apparatus to display a three-dimensional image (3D) and a method of controlling the same, shutter glasses and a method of controlling the same, and a display system are provided. The shutter glasses include a lens which allows selective light transmission; a signal receiver which receives a first signal; a synchronization signal reconstruction unit which reconstructs a synchronization signal corresponding to a 3D display of the display apparatus through a correlation analysis on the received first signal; and a shutter driver which operates the lens corresponding to the synchronization signal reconstructed by the synchronization signal reconstruction unit.

Abstract: A signal receiving apparatus and a signal processing method are provided. The signal receiving apparatus includes: a plurality of signal receiving units which receive analog signals; a plurality of radio frequency (RF) processing units which receive the analog signals from the plurality of signal receiving units and change frequencies of the received analog signals into intermediate frequencies; a plurality of analog-to digital (AD) converters which convert the analog signals having the intermediate frequencies into digital signals; a demodulating unit which demodulates the digital signals; a switching unit which is interposed between the plurality of AD converters and the demodulating unit; and a control unit which controls the switching unit to connect one of the plurality of AD converters to the demodulating unit based on a select signal to select one of the plurality of signal receiving units.