Abstract: A method of making a catalyst layer for synthesis of carbon nanotubes is provided. The method includes: coating a thin film formed of copolymer on a substrate; heat treating the thin film coated on the substrate to form a regular structure; removing a part of block copolymers that form the copolymer; depositing a catalyst base on the thin film from which a part of the block copolymers are removed; and removing the thin film to form a catalyst layer formed of a plurality of metal catalyst dots.

Abstract: An apparatus for testing a performance of a mobile station having a global positioning system (GPS) function including a test block having test commands and a test user interface for testing the performance of the mobile station. The test block and test interface are including within the mobile station. Further, the apparatus tests the performance of the mobile station by operating the test block driven through the test user interface.

Abstract: In a carbon nanotube (CNT) structure and a method of manufacturing the CNT structure, and in a field emission display (FED) device using the CNT structure and a method of manufacturing the FED device, the CNT structure includes a substrate, a plurality of buffer particles having a predetermined size coated on the substrate, a plurality of catalyst layers formed on surfaces of the buffer particles by annealing a catalyst material deposited on the substrate to a predetermined thickness so as to cover the buffer particles, and a plurality of CNTs grown from the catalyst layers.

Abstract: A carbon nanotube emitter and its fabrication method, a Field Emission Device (FED) using the carbon nanotube emitter and its fabrication method include a carbon nanotube emitter having a plurality of first carbon nanotubes arranged on a substrate and in parallel with the substrate, and a plurality of the second carbon nanotubes arranged on a surface of the first carbon nanotubes.

Abstract: A bio signal measuring apparatus. The bio signal measuring apparatus includes an electrocardiogram measuring attached to the skin of a patient to measure an electrocardiogram signal of the patient. A heart sound sensor contacts the skin of the patient to measure a heart sound signal of the patient. A controlling unit obtains bio information including at least a heart rate from the electrocardiogram signal using the heart sound signal.

Abstract: A method and apparatus for monitoring a human activity pattern irrespective of the wearing position of the sensor unit by a user and a direction of the sensor unit are provided. The method for monitoring an inertia movement signal according to a movement of a user using a sensor unit attached to the user; detecting a direction of the sensor unit from the inertia movement signal; detecting a wearing location of the sensor unit by using acceleration and direction; determining the activity pattern of the user from inertia sensors; and delivering physical activity data corresponding to at least one caloric consumption, number of steps, and movement distance.

Abstract: A method of patterning a catalyst layer for synthesis of carbon nanotubes (CNTs) and a method of fabricating a field emission device (FED) using the method, whereby a catalyst layer formed of metal salt having a weak-acid negative ion group is formed on a substrate, a photoresist is formed on the catalyst layer, the photoresist is exposed to a light using a photomask with a predetermined pattern, predetermined regions of the photoresist and the catalyst layer are removed by using a strong base developing solution, and the photoresist which remains on the catalyst layer is removed.

Abstract: A method of vertically aligning carbon nanotubes, whereby carbon nanotubes are grown on a substrate on which a catalyst metallic layer is formed, the grown carbon nanotubes are separated from the substrate in a bundle shape, the separated carbon nanotube bundles is put in an electrolyte having a charger, the carbon nanotube bundles are mixed with the charger to charge the carbon nanotube bundles, and the charged carbon nanotube bundles are vertically attached onto a surface of an electrode, using electrophoresis.

Abstract: A video apparatus having variable OSD (on-screen display) graphic data and a method therefor. The video apparatus receives or downloads OSD graphic data from an external OSD graphic data source, to enable a user to alter the OSD display data without having to store a large number of different types of OSD display data. The video apparatus may be a television receiver set, a web television receiver set, a web video camera or some other video appliance.

Abstract: An apparatus and a method for measuring bio signals are provided. The apparatus includes a body, a plurality of electrodes, and a controller. The body is filled with predetermined packing material. The electrodes are positioned at an outermost portion of the body and touch the skin of a subject to measure bio signals from the subject. The controller is positioned inside of the body and connected with the electrodes to analyze the bio signals measured from the electrodes and output bio information of the subject.

Abstract: A novel method of forming a catalyst base that can control the growth density of carbon nanotubes and increase the uniformity of the carbon nanotubes and a method of synthesizing carbon nanotubes employing the method of forming the catalyst base are provided. A precursor paste containing a catalytic metal precursor, a solid and a vehicle is applied on a substrate; and the catalytic metal precursor of the precursor paste applied on the substrate is reduced to form catalytic metal particles. According to the present invention, the growth density of carbon nanotubes can be easily controlled and carbon nanotubes with smaller and uniform diameters can be formed.

Abstract: An apparatus, method, and medium for generating electrical stimulation, including an electromyogram detector detecting an electromyographic signal of a body, a fatigue index calculator calculating a fatigue index indicating a degree of muscle fatigue by converting the electromyographic signal detected by the electromyogram detector during a predetermined time unit into a frequency-domain electromyographic signal, and an electrical stimulation signal generator adjusting an electrical stimulation signal according to the calculated fatigue index and generating the electrical stimulation signal.

Abstract: A Field Emission Display (FED) and a method of manufacturing the FED are provided. The FED includes a substrate; a plurality of under-gate electrodes formed parallel to one another on a top surface of a substrate; a plurality of cathode electrodes formed perpendicular to the under-gate electrodes on an upper portion of the under-gate electrode, each of cathode holes being formed in portions of the cathode electrodes that intersect with the under-gate electrodes; a plurality of emitters formed symmetrical with respect to centers of the cathode holes on the cathode electrodes; and a plurality of gate electrodes formed to be electrically connected to the under-gate electrodes in central portions of the cathode holes.

Abstract: A field emission device and a field emission display (FED) using the same and a method of making the field emission device. The FED includes a glass substrate, a layer of a material formed on the glass substrate and having a concave portion, a cathode electrode formed on the material layer and also having a concave portion, electron emitters formed on the concave portion of the cathode electrode, a gate insulating layer formed on the cathode electrode and having a cavity communicating with the concave portion, and a gate electrode formed on the gate insulating layer and having a gate aperture aligned with the cavity.

Abstract: Provided is a microelectro mechanical system (MEMS). The provided MEMS switch includes a substrate; a signal line formed on the substrate; a beam deformed by an electrostatic force to electrically switch with the signal line; and a spring type contact unit formed on the signal line to electrically contact the beam and elastically deformed by an external force. Thus, stability of the contact between the contact unit and the beam is improved. In particular, even when the beam or the contact unit under the beam is unbalanced, the contact unit can elastically contact the beam to obtain a stable electrical switching operation.

Abstract: A solar cell integrated display device with a solar cell attached to one side of a display device and a method of fabricating the same. The solar cell integrated display device includes an emissive display device unit that includes a first transparent substrate, a first transparent electrode deposited on the transparent substrate, a second transparent electrode facing the first transparent electrode, and a light emitting layer between the first transparent electrode and the second transparent electrode and a polymer membrane coated on the second transparent electrode. The polymer membrane includes CNT, which allows for a smooth flow of electrons. A solar cell unit that supplies power to the display device unit is stacked on the polymer membrane.

Abstract: A body component concentration measuring apparatus, and method, for measuring a concentration of a body component in a measuring portion of a living body, includes a light source for emitting light, a diffraction grating being movable to disperse light emitted from the light source into light components having a plurality of wavelength bands, a shutter for controlling transmission of the light components having the plurality of wavelength bands, a lens for focusing the light components passing the shutter onto the measuring portion, and a detector for detecting the light components passing through the measuring portion.

Abstract: A field emission backlight unit for a liquid crystal display (LCD) includes: a lower substrate; first electrodes and second electrodes alternately formed in parallel lines on the lower substrate; emitters disposed on at least the first electrodes; an upper substrate spaced apart from the lower substrate by a predetermined distance such that the upper and lower substrates face each other; a third electrode formed on a bottom surface of the upper substrate; and a fluorescent layer formed on the third electrode. Since the backlight unit has a triode-type field emission structure, field emission is very stable. Since the first electrodes and the second electrodes are formed in the same plane, brightness uniformity is improved and manufacturing processes are simplified.

Abstract: An analyzing method and system includes projecting light onto a specimen, detecting an optical spectrum from the specimen, dividing the detected optical spectrum by a predetermined time interval, applying a weighting vector and a gain and offset vector to the divided spectra to generate a resolution vector, quantizing an analog signal of the resolution vector to a digital signal, and applying a synthesis vector to the quantized spectra to restore the quantized spectra to a size of the optical spectrum. A spectrum having a large amplitude difference is temporally divided and is analyzed by applying different resolutions to individual time intervals. Spectral portions of the spectrum having relatively small peak amplitudes are selected as a region of interest (ROI) to be modified.

Abstract: A novel field emission display (FED) and a novel method for making the same. The FED includes a substrate, a cathode electrode and a focus electrode formed on the same level with each other on the substrate, an insulation layer formed on the cathode electrode and the focus electrode such that the cathode electrode and the focus electrode are partially exposed through the insulation layer, a field emitter formed at the cathode electrode exposed by the insulation layer, and a gate electrode formed on the insulation layer. The field emitter being formed on the same layer and of the same material and at the same time as the cathode electrode.