Abstract: Provided is a method of supporting a videoconference between clients through a plurality of media servers under the control of a management server. The method includes requesting a client change, from a first client connected to a first media server, to a second client to be connected to a second media server; generating a mirror session for the second client according to the request for the client change; and stopping a session for the first client.

Abstract: An apparatus and method for managing health data through a user terminal are provided. The method includes inputting a user terminal number for identifying the user terminal, and information of a medical instrument for measuring the health data to a management server interworked with the user terminal, receiving, by a receiver, a security type table mapped onto the user terminal number and comprising a security type code for instructing the health data which the medical instrument has measured to be stored in a first memory without security or in a second memory with security, from the management server, and storing the health data in the first memory or the second memory, which the security type code instructs, through determining the security type code of the security type table when the health data is received from the medical instrument.

Abstract: A method for manufacturing a nonvolatile memory device in accordance with an embodiment of the present invention may include providing a substrate comprising a cell region and a peripheral region, wherein the peripheral region comprises an NMOS region and a PMOS region; performing a well forming ion implantation over the substrate in the cell region and the NMOS region; performing a threshold voltage adjusting ion implantation over a surface of the substrate in the cell region and the NMOS region; forming a gate pattern comprising a floating gate electrode in the cell region and the peripheral region; and performing a junction ion implantation over a surface of the cell region, wherein the floating gate electrode may have P-type conductivity.

Abstract: Provided herein is a power on reset circuit including a voltage dividing unit suitable for dividing an external power supply voltage according to a resistance ratio to output a divided voltage, a signal generating unit suitable for outputting a power on reset signal when the divided voltage has a set level or higher, and a resistance adjusting unit suitable for adjusting the resistance ratio of the voltage dividing unit in response to the power on reset signal.

Abstract: A method for manufacturing a nonvolatile memory device in accordance with an embodiment of the present invention may include providing a substrate comprising a cell region and a peripheral region, wherein the peripheral region comprises an NMOS region and a PMOS region; performing a well forming ion implantation over the substrate in the cell region and the NMOS region; performing a threshold voltage adjusting ion implantation over a surface of the substrate in the cell region and the NMOS region; forming a gate pattern comprising a floating gate electrode in the cell region and the peripheral region; and performing a junction ion implantation over a surface of the cell region, wherein the floating gate electrode may have P-type conductivity.

Abstract: A display system, a display apparatus, a remote control apparatus, and a method for controlling the same are provided. The display system according to the exemplary embodiment: a display apparatus; and a remote control apparatus sensing a motion and transmitting the sensed motion information to the display apparatus. The display apparatus displays a UI element when receiving motion information of the remote control apparatus and displays image contents when receiving a power on command from the remote control apparatus while the UI element is displayed.

Abstract: Embodiments of the invention are directed to a transparent up-conversion device having two transparent electrodes. In embodiments of the invention, the up-conversion device comprises a stack of layers proceeding from a transparent substrate including an anode, a hole blocking layer, an IR sensitizing layer, a hole transport layer, a light emitting layer, an electron transport layer, a cathode, and an antireflective layer. In an embodiment of the invention, the up-conversion device includes an IR pass visible blocking layer.

Abstract: A transparent conductor, a composition for the same, and an apparatus including the same, the transparent conductor including a transparent conductive film, the transparent conductive film including a metal nanowire and a conductive polymer, wherein the transparent conductor has a b* value of less than about 1.78 in color coordinates of CIE Lab at wavelengths of 400 nm to 700 nm.

Abstract: Disclosed herein are a method and apparatus for restoring a mechanical relay from a stuck fault to a normal condition. The method may include detecting, by an MCU, a short state or open state of a relay, repeatedly transferring, by the MCU, a current application signal and a current non-application signal to a relay driver when the relay is in the short state, repeating, by the relay driver, an operation of periodically applying an electric current from a power source unit to the relay in response to the current application signal and the current non-application signal so that the release of the contact point of the relay is induced, detecting, by the MCU, the release state of the contact point of the relay, and maintaining, by the MCU, an ECU in an operating state when the contact point of the relay is released.

Abstract: Disclosed are a polymer electrolyte membrane for fuel cells and a membrane electrode assembly and fuel cell including the same. The polymer electrolyte membrane includes a fluorine-based cation exchange resin having proton conductivity and fibrous nanoparticles having a hydrophilic group. By using the fluorine-based cation exchange resin having proton conductivity and the fibrous nanoparticles having a hydrophilic group in combination, performance of a fuel cell including the polymer electrolyte membrane is not deteriorated and the polymer electrolyte membrane prevents gases from permeating thereinto and has enhanced durability for extended use. A fuel cell including the above-described polymer electrolyte membrane is provided.

Abstract: A method and apparatus are provided for generating a visible light signal according to an amount of data transmission in a first Visible Light Communication (VLC) device. The method includes determining a ratio of an amount of data that has been received from a second VLC device to a total amount of data to be received; determining a visible light signal pattern corresponding to the ratio; generating a visible light signal corresponding to the visible light signal pattern; and outputting the visible light signal.

Abstract: An apparatus and method for managing health data through a user terminal are provided. The method includes inputting a user terminal number for identifying the user terminal, and information of a medical instrument for measuring the health data to a management server interworked with the user terminal, receiving, by a receiver, a security type table mapped onto the user terminal number and comprising a security type code for instructing the health data which the medical instrument has measured to be stored in a first memory without security or in a second memory with security, from the management server, and storing the health data in the first memory or the second memory, which the security type code instructs, through determining the security type code of the security type table when the health data is received from the medical instrument.

Abstract: A method and an apparatus for controlling an amount of light in a visible light communication system are provided. In the visible light communication system, a terminal measures an amount of light for a light signal received from a sensor, determines whether the measured amount of light is less than a threshold value, increases an amount of light for a light source signal to transmit to the sensor when the measured amount of light is less than the threshold value, and transmits, to the sensor, a light source signal according to the increased amount of light.

Abstract: The present invention relates to a mannanase produced from Celluosimicrobium sp. strain HY-13 and more particularly to a highly active novel mannanase produced from Cellulosimicrobium sp. strain HY-13 as separated from an invertebrate. The mannanase produced from the said Cellulosimicrobium sp. strain HY-13 can be used in the decomposition of a mannan found in hemicellulose contained in grains and plants and in enhancing the utility value of a hydrolysate, which uses the decomposed mannan, for the transformation of biomass or as an animal feed material.

Abstract: The embodiments disclosed herein pertain to improved methods and apparatus for etching a semiconductor substrate. A plasma grid assembly is positioned in a reaction chamber to divide the chamber into upper and lower sub-chambers. The plasma grid assembly may include one or more plasma grids having slots of a particular aspect ratio, which allow certain species to pass through from the upper sub-chamber to the lower sub-chamber. In some cases, an electron-ion plasma is generated in the upper sub-chamber. Electrons that make it through the grid to the lower sub-chamber are cooled as they pass through. In some cases, this results in an ion-ion plasma in the lower sub-chamber. The ion-ion plasma may be used to advantage in a variety of etching processes.

Abstract: A selective crystallization method includes placing a first substrate including first crystallization regions on a second substrate including second crystallization regions such that the first crystallization regions and the second crystallization regions are arranged alternately, and crystallizing the alternately-arranged first crystallization regions and the second crystallization regions with a laser beam. A laser crystallization apparatus can be used in the selective crystallization method.

Abstract: An apparatus and method for managing health data through a user terminal are provided. The method includes inputting a user terminal number for identifying the user terminal, and information of a medical instrument for measuring the health data to a management server interworked with the user terminal, receiving, by a receiver, a security type table mapped onto the user terminal number and comprising a security type code for instructing the health data which the medical instrument has measured to be stored in a first memory without security or in a second memory with security, from the management server, and storing the health data in the first memory or the second memory, which the security type code instructs, through determining the security type code of the security type table when the health data is received from the medical instrument.

Abstract: A display device includes: a first substrate; a photo transistor on the first substrate; and a switching transistor connected to the photo transistor. The photo transistor includes a light blocking film on the first substrate, a first gate electrode on the light blocking film and in contact with the light blocking film, a first semiconductor layer on the first gate electrode and overlapping the light blocking film, and a first source electrode and a first drain electrode on the first semiconductor layer. The switching transistor includes a second gate electrode on the first substrate, a second semiconductor layer on the second gate electrode and overlapping the second gate electrode, and a second source electrode and a second drain electrode on the second semiconductor layer. The first semiconductor layer and the second semiconductor layer are at a same layer of the display device, and each includes crystalline silicon germanium.

Abstract: An apparatus for canceling an acoustic echo signal caused by a far-end talker signal is provided. The apparatus for canceling an acoustic echo signal includes: a variance estimating unit configured to estimate a variance of a first audio signal of a near-end talker signal and a first noise signal of the near-end talker signal; a step size determining unit configured to determine a step size by using the variance of the first audio signal and the variance of the first noise signal; an adaptive filter coefficient updating unit configured to update an adaptive filter coefficient of an adaptive filter by using the step size; and an acoustic echo canceling unit configured to estimate an acoustic echo signal by using the adaptive filter coefficient, and cancel the acoustic echo signal from a microphone input signal by using the estimated acoustic echo signal.