Abstract: A memory device is provided. The memory device may comprise: a first electrode; a resistance change layer placed on the first electrode and containing an alkali metal and a transition metal; and a second electrode placed on the resistance change layer, wherein the content of the alkali metal in the resistance change layer ranges from 40 at % (exclusive) to 88 at % (exclusive).

Abstract: A plasma cleaning apparatus includes a metal chamber, a gate assembly, a dielectric, and a high voltage electrode. The metal chamber is connected to a vacuum tube connecting the process chamber and the vacuum pump, and is provided with a first opening. The gate assembly includes a gate support fixed to the metal chamber around the first opening and having a second opening, and a gate coupled to the gate support and having a first position closing the second opening and a second position opening the second opening switchable with each other. The dielectric is coupled to the outside of the gate support around the second opening, and the high voltage electrode is positioned on an outer surface of the dielectric.

Abstract: Provided is a continuous isokinetic sampling device of a stack gas having a suction nozzle to which a cross-sectional area control device is attached, and a continuous automatic measurement system of fine dusts in the stack gas combined with the same, the device and system being configured to continuously separate and automatically measure the suspended particles into PM10 (Particulate Matter Less than 10 ?m) and PM2.5 (Particulate Matter Less than 2.5 ?m) by introducing a suction gas into a particle size separation device (cascade Impactor) at a constant flow rate of 16.67 l/min, simultaneously with removing an measurement error caused due to inertia force of the suspended particles by automatically adjusting the cross-sectional area of the suction nozzle to suck the sample at the same flow rate as that of the stack gas in the stationary source emissions.

Abstract: An integrated antenna distributed system incorporates various types of communication signals, such as mobile communication signals, public safety signals, Wi-Fi signals, and other types of communication signals. Such a system uses a single reference signal to support MIMO using a single optical cable or a single fiber optic cable, and a signal from a remote location, to support commercial telecommunication services and Wi-Fi services simultaneously. The reference signal is used for frequency stability of remote units (RUs) connected to the head end (HE). For example, a reference signal is selected and sent from the HE to RUs, a bandwidth and frequency conversion of signals to be transmitted is specified and/or performed, a RU receives the converted signals and the reference signal from the HE, where the converted signals may be frequency or band-constrained, and the converted signals are converted at the RUs back to their original frequencies or bands.

Abstract: An integrated antenna distributed system incorporates various types of communication signals, such as mobile communication signals, public safety signals, WiFi signals, and other types of communication signals. Such a system uses a single reference signal to support MIMO and Massive MIMO functions using a single optical cable or a single fiber optic cable, and a signal from a remote location. The reference signal is used for frequency stability of remote units (RUs) connected to the head end (HE). For example, a reference signal is selected and sent from the HE to RUs, a bandwidth and frequency conversion of signals to be transmitted is specified and/or performed, a RU receives the converted signals and the reference signal from the HE, where the converted signals may be frequency or band-constrained, and the converted signals are converted at the RUs back to their original frequencies or bands.

Abstract: The present invention provides an online diagnostic/prognostic system, for a rotation device, which does not require a diagnostic apparatus to be transferred and enables easy transmission of waveform data to a remote site. To this end, the present invention comprises: a vibration sensor mounted on a rotation device; a data analyzing unit connected to the vibration sensor and for extracting valid data, which is required for the diagnosis of the rotation device, from data obtained from the vibration sensor; and a diagnostic/prognostic server for diagnosing for abnormalities in the rotation device by means of comparing the valid data and prestored data. Therefore, the present invention does not require an apparatus for measuring vibrations to be transferred and enables transmission of waveform data to a remote cite, thereby enabling more efficient diagnosis for a rotation device and preventing abnormalities in the rotation device.

Abstract: The present invention provides a method for enabling a large integrated monitoring screen for integrated monitoring of multiple reactors, and a large integrated monitoring screen system. The method for enabling the large integrated monitoring screen comprises the steps of: a screen generation managing device in a remote integrated monitoring center generating at least one of a status monitoring screen, an early warning screen, a diagnostic analysis screen, and a CCTV screen with respect to a plurality of reactors in a nuclear power plant; and transmitting a screen requested by an administrator to the large integrated monitoring screen through an integrated screen control device.

Abstract: An apparatus and method for determining a valid user input in an electronic device is provided. The electronic device generally includes a touch unit included in a touch input circuit, wherein the touch unit corresponds to a touch area, a signal generator configured to transmit a signal to a first signal line and a second signal line by generating the signal, a signal measuring device configured to measure a part of a modified signal based on the transmitted signal, and a signal determiner configured to determine whether a user input is provided to the touch area based on the measured signal. The first signal line connects the signal generator and the touch unit, and the second signal line extends from the signal generator and is parallel with the first signal line.

Abstract: Method for diagnosing a pneumatic control valve by using a positioner model includes: establishing relational expression for outputting valve stem displacement according to control pressure, the relational expression including parameters for the characteristics of a positioner, an actuator, and a valve, determining initial parameter value by adjusting the values of the parameters until the difference between a measured value for a normal operation of the pneumatic control valve and output value obtained by the relational expression is smaller than predetermined error limit, determining diagnostic parameter value by adjusting the values of the parameters until the difference between a measured value for a diagnostic operation of the pneumatic control valve and an output value obtained by the relational expression is smaller than a predetermined error limit, and comparing the initial parameter value and the diagnostic parameter value so as to determine whether the pneumatic control valve has abnormality.

Abstract: The present invention provides a method for diagnosing a rotation device by means of a rotor-bearing-foundation model, the method characterized by utilizing the characteristics of a simulation rotor system. To this end, the present invention comprises the steps of: simulating a rotation device as a rotor system; forming a mathematical model for the rotor system; estimating the state of the rotation device by means of the mathematical model and a vibration measurement value of the rotation device; and diagnosing for abnormalities in the rotation device from the changes in an estimated value. Therefore, since a rotation device is diagnosed for abnormalities by means of forming a mathematical model for a rotor system, the present invention enables more accurate diagnosis of the rotation device.

Abstract: An antenna for an electronic device is disclosed that can reduce or prevent problems such as a shock hazard and/or an Electrostatic Discharge (ESD) issue, particularly in the case when device are subjected to impact such as being dropped. The antenna includes a radiator; an antenna clip connected with a metallic housing of the electronic device; a capacitor includes a part of the antenna clip; and a feeding part and a ground for operating the antenna.

Abstract: An electronic device and a method for changing modes according to external devices connected through a universal serial bus (USB) and controlling the strength of signals communicated according to changed modes are provided. The method includes detecting a connection with an external device corresponding to booting of the electronic device, determining a mode of the electronic device according to the detected connection with the external device, varying a characteristic setting of an input output (IO) buffer to a certain strength corresponding to the determined mode, and communicating a signal at a strength corresponding to the varied setting.

Abstract: The present invention relates to a method for manufacturing spikes for sports shoes, the method comprising: a primary injection-molding step for fixing a plurality of spike pin heads to one surface of a first fixed plate when injection-molding the first fixed plate such that the tip ends of the plurality of spike pins are exposed through the surface of the first fixed plate; a secondary injection-molding step for fixing a plurality of first fixed plates to one surface of a second fixed plate when injection-molding the second fixed plate, wherein the surfaces of the first fixed plates that are opposite to the surfaces to which the spike pines are fixed to the second fixed plate; and a second-fixed-plate fixing step for fixing, to the bottom of an outsole, the surface of the second fixed plate opposite to the surface to which the first fixed plates are fixed.

Abstract: A solar cell is provided. The solar cell includes a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type disposed on the first semiconductor layer, an anti-reflection layer on the second semiconductor layer, and a negative charge layer between the anti-reflection layer and the second semiconductor layer.

Abstract: A method and a portable device controls output of a display unit to display information accurately and clearly regardless of a background image. Disclosed is an arrangement for calculating a difference between an arbitrary expression value of an arbitrary screen configuration element to be displayed on a given area of the background image and an actual expression value of the given area of the background image. Each expression value includes at least one of a color and lightness. The arrangement automatically selects the expression value of the screen configuration element based on the calculation result. The screen configuration element is displayed at the given area of the background image based on the selected arbitrary expression value.

Abstract: The present disclosure relates to an improvement in the quality of a transmitted signal, and more particularly, to an electronic apparatus and a method which are provided with a passive equalizer improving the quality of a transmitted signal when a signal is transmitted/received to/from an external apparatus, and a system for the same. The present disclosure provides a signal transmission system for improving the quality of a transmitted signal. The signal transmission system may include a transmitter that transmits a signal; a receiver that receives the signal from the transmitter; a channel that is formed between the transmitter and the receiver and transmits the signal delivered by the transmitter; and a passive equalizer that is formed between the transmitter and the receiver and controls the signal so as to have a higher impedence than a predetermined impedance at a lower frequency than a predetermined frequency of the signal.

Abstract: An antenna for an electronic device is disclosed that can reduce or prevent problems such as a shock hazard and/or an Electrostatic Discharge (ESD) issue, particularly in the case when device are subjected to impact such as being dropped. The antenna includes a radiator; an antenna clip connected with a metallic housing of the electronic device; a capacitor includes a part of the antenna clip; and a feeding part and a ground for operating the antenna.

Abstract: An apparatus and method for determining a valid user input in an electronic device is provided. The electronic device generally includes a touch unit included in a touch input circuit, wherein the touch unit corresponds to a touch area, a signal generator configured to transmit a signal to a first signal line and a second signal line by generating the signal, a signal measuring device configured to measure a part of a modified signal based on the transmitted signal, and a signal determiner configured to determine whether a user input is provided to the touch area based on the measured signal. The first signal line connects the signal generator and the touch unit, and the second signal line extends from the signal generator and is parallel with the first signal line.

Abstract: An electronic device and a method for changing modes according to external devices connected through a universal serial bus (USB) and controlling the strength of signals communicated according to changed modes are provided. The method includes detecting a connection with an external device corresponding to booting of the electronic device, determining a mode of the electronic device according to the detected connection with the external device, varying a characteristic setting of an input output (IO) buffer to a certain strength corresponding to the determined mode, and communicating a signal at a strength corresponding to the varied setting.

Abstract: The present disclosure relates to an improvement in the quality of a transmitted signal, and more particularly, to an electronic apparatus and a method which are provided with a passive equalizer improving the quality of a transmitted signal when a signal is transmitted/received to/from an external apparatus, and a system for the same. The present disclosure provides a signal transmission system for improving the quality of a transmitted signal. The signal transmission system may include a transmitter that transmits a signal; a receiver that receives the signal from the transmitter; a channel that is formed between the transmitter and the receiver and transmits the signal delivered by the transmitter; and a passive equalizer that is formed between the transmitter and the receiver and controls the signal so as to have a higher impedence than a predetermined impedance at a lower frequency than a predetermined frequency of the signal.