Abstract: An electronic device and a method implemented in the electronic device are provided. The method includes detecting, by a device detector, whether a wired external device coupled to the electronic device and including a wired external speaker further includes a wired external microphone; providing a signal, by the device detector, indicating whether the wired external device includes the wired external microphone; detecting, by a controller, a call establishment; and operating, by the controller, a built-in microphone to receive a voice sound if the signal from the device detector indicates that the wired external device does not include the wired external microphone and providing a voice signal received from a second electronic device to the wired external device so that the wired external speaker outputs the voice signal, wherein the built-in microphone and a built-in speaker of the electronic device are coupled to the controller via a COder-DECoder (CODEC).

Abstract: The present invention discloses a method for preparing a microporous polyolefin film comprising: a step of injecting a composition comprising polyolefin 30 to 60 wt % and a diluent mixture comprising a diluent, which can make liquid-liquid phase separation with the polyolefin thermodynamically 40 to 70 wt %, into an extruding machine, and melting and kneading thereof to prepare a single phase melt; and a step of extruding the melt while conducting liquid-liquid phase separation by passing through a section having the temperature below the liquid-liquid phase separation temperature and forming thereof in the form of a sheet, and a microporous polyolefin film prepared according to the method.

Abstract: An apparatus and method for controlling a built-in microphone of a portable terminal is provided. The method includes checking whether a connection device connected to the portable electronic device includes an external microphone; operating the built-in microphone of the portable electronic device to receive a first signal, upon connecting a call, when the connection device does not include the external microphone; and selecting, upon connecting the call while a plurality of connection devices are connected to the portable electronic device, one connection device from among the plurality of connection devices to output a second signal.

Abstract: The present disclosure relates to an apparatus and a method for analyzing side chains of a polymer. More specifically, the present disclosure relates to an apparatus and a method for analyzing the number of side chains of a polymer.

Abstract: Provided are a dye-sensitized solar cell and a method of fabricating the same. The dye-sensitized solar cell includes an electrode structure including a conductive layer having pores that are regularly arranged, a semiconductor oxide layer disposed on a surface of the conductive layer, and a dye layer disposed on a surface of the semiconductor oxide layer.

Abstract: The present disclosure relates to an apparatus and a method for analyzing side chains of a polymer. More specifically, the present disclosure relates to an apparatus and a method for analyzing the number of side chains of a polymer.

Abstract: An apparatus and method for controlling a built-in microphone of a portable terminal is provided. The method includes detecting a call connection event when a call connection request is received or transmitted; checking information on a currently connected connection device upon detecting the call connection event; and when the information shows that the connected connection device is an earphone, activating a speaker included in the earphone and activating the built-in microphone.

Abstract: The present invention provides a composite light source apparatus for phototherapy of skin disease, in which a light beam having the wavelength and optical power suitable for light-beam treatment is provided to a region to be treated (also called a ‘to-be-treated region’) through a light guide by using a composite light source so as to improve efficiency of phototherapy of skin diseases of the body including acne, malignant tumors and the like. According to the composite light source apparatus, uniform optical power can be provided through a combination of a plurality of light sources, the optical power can be provided through selection of light of a wavelength range that a user wants, and light from the light sources can be utilized to the maximum with increased light intensity.

Abstract: There is provided a reverse osmosis membrane including a porous support; a polysulfone layer formed on the porous support and having pores formed in a surface thereof, pores having a diameter of 40 nm or greater accounting for less than 0.5% of total pores; and an active layer.

Abstract: There are provided a method of manufacturing a reverse osmosis membrane and a reverse osmosis membrane manufactured thereby. The method includes forming a polysulfone layer by applying a solution including a mixed solvent containing two or more solvents having different solubility parameter values to a surface of a porous support; and forming an active layer on the polysulfone layer.

Abstract: There is provided a system for cleaning a surface of a solar cell panel. The system includes a measurement unit measuring a power generation value of a solar cell panel, a reference unit providing a reference value, a control unit comparing the power generation value measured at the measurement unit with the reference value provided from the reference unit to command cleaning of the solar cell panel, a driving unit operating a cleaning apparatus for cleaning a surface of the solar cell panel. The control unit commands cleaning of the solar cell panel only when the power generation value decreases because of a contamination of the surface of the solar cell panel.

Abstract: Disclosed is a solar cell apparatus. The solar cell apparatus includes a first solar cell; and a second solar cell partially overlapping with the first solar cell and connected to the first solar cell.

Abstract: Disclosed is a solar cell apparatus. The solar cell apparatus includes a substrate, and a solar cell on the substrate. The substrate includes a support layer below the solar cell, and a reinforcement part provided below the support layer and having an open region to expose a bottom surface of the support layer.

Abstract: Provided are an image transmitting apparatus and method, and an image receiving apparatus and method. The image transmitting apparatus includes: a video processor which converts a first video signal, including a left-eye image and a right-eye image corresponding to a frame of a three-dimensional (3D) image, into a second video signal by increasing a number of data bits per pixel of a first video signal and merging two pieces of pixel information respectively corresponding to the left-eye image and the right-eye image into one piece of pixel information; and a video output unit which transmits the second video signal.

Abstract: An apparatus and method is provided for providing an image effect in a mobile terminal. An image effect provider applies a wrinkling effect to data upon arrival at an end of the data while the data is shifted by a specific user action. A controller controls the image effect provider to display the data to which the wrinkling effect is applied upon arrival at the end of the data by the specific user action.

Abstract: A scanning apparatus which scans an image of a document to generate an image data, the scanning apparatus includes: a boundary sensing unit to sense a boundary of the image, and a distortion area, a distortion boundary of which is not sensed; a shadow calculating unit to calculate a shadow value of the image data; and a control unit to calculate the distortion boundary of the distortion area according the shadow values of the distortion area so as to correct distortion of an image caused by variations in focal distances between the image and the lenses within the scanning apparatus.

Abstract: A semiconductor device includes a substrate, a plurality of gate structures, a first insulating interlayer pattern, and a second insulation layer pattern. The substrate has an active region and a field region, each of the active region and the field region extends in a first direction, and the active region and the field region are alternately and repeatedly arranged in a second direction substantially perpendicular to the first direction. The gate structures are spaced apart from each other in the first direction, each of the gate structures extends in the second direction. The first insulation layer pattern is formed on a portion of a sidewall of each gate structure. The second insulation layer pattern covers the gate structures and the first insulation layer pattern, and has an air tunnel between the gate structures, the air tunnel extending in the second direction.

Abstract: The present invention provides a fluorescence detection and photodynamic therapy apparatus including: a combined light source unit 10 including a plurality of coherent and non-coherent light sources 11, 12 and 13 configured to irradiate light onto a to-be-observed object while performing continuous illumination; an optical imaging unit 20 configured to form an image of the to-be-observed object 70 and project the image to an image processing/controlling system 34; a multispectral imaging unit 30 including a one-chip multispectral sensor and the image processing/controlling system 34; a blocking filter 40 installed between the to-be-observed object 70 and the one-chip multispectral sensor 32, the blocking filter being configured to block some light reflected off from the to-be-observed object 70 while allowing some light and fluorescent light to pass therethrough; a computer system 50 configured to process, analyze, reproduce and store the image acquired from the multispectral imaging unit 30, and transfer the