Abstract: An apparatus for generating a voltage includes a first voltage outputting circuit configured to receive an input voltage and adjust and output a first voltage in accordance with a temperature, a buffer circuit configured to receive the first voltage and output the received first voltage as a second voltage at an output node of the buffer circuit, and a second voltage outputting circuit configured to receive the second voltage at an input terminal and output a third voltage by dividing a driving voltage in accordance with a resistance ratio, wherein the second voltage outputting circuit includes a sub-voltage outputting circuit and a controlling circuit configured to adjust a voltage level of the third voltage through a feedback of the third voltage to the input terminal.

Abstract: A nonvolatile memory device includes a plurality of global word lines, a plurality of transistors configured to transfer voltages of the global word lines to a plurality of local word lines inside a cell block, and a voltage control unit configured to supply a first negative voltage to a global word line of the plurality of global word lines and configured to charge a bulk region of the plurality of transistors with a second negative voltage.

Abstract: An apparatus for generating a voltage includes a first voltage outputting circuit configured to receive an input voltage and adjust and output a first voltage in accordance with a temperature, a buffer circuit configured to receive the first voltage and output the received first voltage as a second voltage at an output node of the buffer circuit, and a second voltage outputting circuit configured to receive the second voltage at an input terminal and output a third voltage by dividing a driving voltage in accordance with a resistance ratio, wherein the second voltage outputting circuit includes a sub-voltage outputting circuit and a controlling circuit configured to adjust a voltage level of the third voltage through a feedback of the third voltage to the input terminal.

Abstract: Provided is a transmitter for transmitting an orthogonal frequency division multiplexing (OFDM) signal using multiple antennas, including: a subgroup generator to divide data symbols of a frequency domain into a plurality of subgroups; an inverse fast Fourier transform (IFFT) unit to perform an IFFT with respect to each of the subgroups so as to generate partial signals of a time domain corresponding to the plurality of subgroups, respectively; a candidate OFDM signal generator to generate at least two candidate OFDM signals using a combination of the partial signals so that each of the partial signals is transmitted to one of transmit antennas; and a selector to select one of the at least two candidate OFDM signals.

Abstract: A method of programming a nonvolatile memory device comprises a bit line voltage set-up step of receiving a program command and data to be programmed and setting up a voltage of a selected bit line according to a state of program data; a program step of supplying a program voltage to a word line selected for a program in response to a control signal for setting up the program voltage, supplying a first pass voltage to unselected word lines, and then performing the program; and a program verification step of, in response to a control signal which is subsequent to the control signal for setting up the program voltage and is used to set a verification voltage, performing a program verification operation by supplying the verification voltage to the selected word line.

Abstract: A nonvolatile memory device includes a bit line sensing signal supply unit configured to output a bit line sensing signal, having a rising voltage level that rises in discrete steps, in response to a control signal, and a bit line sensing unit configured to selectively connect a bit line and a sensing node in response to the bit line sensing signal.

Abstract: A semiconductor device includes a voltage generator. The voltage generator includes a detection circuit having a number of voltage detection units, each detection unit including a different number of resistors compared to other detection units and each detection unit outputting a respective voltage, a voltage comparison circuit configured to compare a constant voltage to each respective divided voltage outputted from detection units of the detection circuit and to output a number of control signals in response to the comparison, and a reference voltage generator configured to generate a reference voltage in response to the control signals.

Abstract: A nonvolatile memory device comprises a memory cell array comprising memory cells, an operation voltage generation unit configured to generate a first pass voltage when a verification voltage for a memory cell to be programmed is higher than a reference voltage and to generate a second pass voltage lower than the first pass voltage when the verification voltage for the memory cell to be programmed is lower than the reference voltage, a high voltage switch unit configured to transfer the first or second pass voltage to global word lines other than a selected global word line and to transfer the verification voltage to the selected global word line of the global word lines, and a block selection unit coupled between the global word lines and word lines and configured to transfer the verification voltage and the first or second pass voltage to the word lines.

Abstract: A high voltage generating apparatus includes a regulator configured to control a pumping voltage at a voltage of a certain level, and an amplifier configured to amplify a current flowing through an output terminal of the regulator and to output an amplified current.

Abstract: A nonvolatile memory device includes a high voltage generation unit configured to generate a program voltage and a pass voltage, a block selection unit coupled to the high voltage generation unit through global word lines, a memory cell array coupled to the block selection unit through word lines, a discharge unit coupled to the global word lines and configured to change a level of voltage supplied to the global word lines, and a discharge control unit configured to generate a discharge signal, and transfer the discharge signal to the discharge unit in response to the program voltage.

Abstract: A method and apparatus for adaptively transmitting the same data, i.e., multicast/broadcast data, according to channel quality to a receiving group including one or more terminals that request the same service in a wireless network. A base station obtains feedback on channel quality indications (CQIs) from a plurality of terminals, selects a transmission technique that satisfies desired service quality based on the COIs, and transmits data to the terminals included in a receiving group by using the selected transmission technique. The CQIs to be transmitted from the terminals in the receiving group to the base station are transmitted through a previously allocated common CQI feedback channel. In the present invention, in order to reduce a CQI feedback channel capacity, the base station does not allocate a common CQI feedback channel with respect to each reception terminal and allocates radio resources according to CQI levels.

Abstract: A nonvolatile memory device includes a bit line sensing signal supply unit configured to output a bit line sensing signal, having a rising voltage level that rises in discrete steps, in response to a control signal, and a bit line sensing unit configured to selectively connect a bit line and a sensing node in response to the bit line sensing signal.

Abstract: A nonvolatile memory device and a method of operating the same. The nonvolatile memory device includes a memory cell array including memory cells for storing data, a temperature sensor and a controller. The temperature sensor outputs a temperature detection signal according to ambient temperatures while changing one or more pieces of reference voltage information, which are previously stored, when data is programmed into the memory cell array. The controller performs a verify operation of the program using a fast verify method and decides the number of steps which are comprised in step-shaped verify voltage pulse of the fast verify method according to the temperature detection signal.

Abstract: An apparatus for generating a voltage includes a first voltage outputting circuit configured to receive an input voltage and adjust and output a first voltage in accordance with a temperature, a buffer circuit configured to receive the first voltage and output the received first voltage as a second voltage at an output node of the buffer circuit, and a second voltage outputting circuit configured to receive the second voltage at an input terminal and output a third voltage by dividing a driving voltage in accordance with a resistance ratio, wherein the second voltage outputting circuit includes a sub-voltage outputting circuit and a controlling circuit configured to adjust a voltage level of the third voltage through a feedback of the third voltage to the input terminal.

Abstract: The present invention provides a lyocell raw cord prepared from at least 2-ply lyocell multifilaments, which gives a stress-strain curve exhibiting that (a) the lyocell raw cord has an elongation of 1.5% or less at an initial stress of 1.0 g/d, and an initial modulus value of 50 to 100 g/d; (b) has an elongation of 7% or less in a stress region of 1.0 g/d to 4.0 g/d; and (c) has an elongation of 1% or more at a tensile strength of 4.0 g/d to the breaking point, as measured in the dried state. The lyocell raw cord prepared according to the present invention can be used as industrial fibers, in particular, fibers for tire cords.

Abstract: Disclosed herein is a semi-flexible electronic laryngoscope comprising in one body a photographing part which can observe the larynx inside the oral cavity with a self-lamination, a flexure part which bends the photographing part upwardly and downwardly by a rotation member that is connected to the photographing part and located at the handle, a stiff part which leads the flexure part to the oral cavity and the larynx and maintains stably, and a handle which accepts and supports the end point of the stiff part, which can observe the larynx and the hy-popharynx when bent downwardly and the nasopharynx when bent upwardly since it can be bent upwardly and downwardly, and can diagnose the oral cavity and the oropharynx since it can observe the forward area when inserted into an oral cavity.

Abstract: The present invention relates to a method for producing a cellulose solution which is homogeneous at low temperatures, and to fiber produced by the method. More particularly, the invention relates to a production of a cellulose solution which is homogeneous at low temperatures, by dissolving a small amount of the cellulose powder in concentrated liquid N-methylmorpholine-N-oxide (NMMO) to lower the solidification temperature of NMMO, introducing the low-temperature, concentrated liquid NMMO solution having cellulose dissolved and the cellulose powder into a kneader, mixing and swelling the cellulose in the kneader without a process of reducing pressure to produce a paste, and then supplying the paste into an extruder to dissolve the paste in a homogeneous solution.

Abstract: The present invention provides a lyocell raw cord prepared from at least 2-ply lyocell multifilaments, which gives a stress-strain curve exhibiting that (a) the lyocell raw cord has an elongation of 1.5% or less at an initial stress of 1.0 g/d, and an initial modulus value of 50 to 100 g/d; (b) has an elongation of 7% or less in a stress region of 1.0 g/d to 4.0 g/d; and (c) has an elongation of 1% or more at a tensile strength of 4.0 g/d to the breaking point, as measured in the dried state. The lyocell raw cord prepared according to the present invention can be used as industrial fibers, in particular, fibers for tire cords.

Abstract: The present invention provides a lyocell dipped cord prepared by dipping a lyocell raw cord comprising at least 2-ply lyocell multifilament in a dipping solution and curing the dipped cord, which gives a stress-strain curve exhibiting that (a) the lyocell dipped cord has an elongation of 1.2% or less at an initial stress of 1.0 g/d, and an initial modulus value of 80 to 200 g/d; (b) has an elongation of 6% or less in a stress region of 1.0 g/d to 4.0 g/d; and (c) has an elongation of 1% or more at a tensile strength of 4.0 g/d to the breaking point, as measured in the dried state. The lyocell dipped cord prepared according to the present invention can be used as industrial fibers, in particular, fibers for tire cords.

Abstract: This invention relates to a method of preparing cellulose solution which is homogeneous at relatively low temperature, in which a small amount of cellulose powder or polyvinylalcohol is dissolved in the liquid-state, concentrated N-methylmorpholine-N-oxide (hereinafter, referred to as ‘NMMO’) so as to lower the solidifying temperature of NMMO, and then, the resulting solution and cellulose powder are fed into an extruder so as to be mixed, swollen and melted in the extruder.