Abstract: An apparatus and method for processing input/output data in a communication system is disclosed. By adding a controller that adjusts timing intervals between a first buffer having a first timing interval and a second buffer having a second timing interval, buffer usage can be minimized.

Abstract: A frequency conversion unit includes a local oscillator, a phase compensator, and a mixer. The local oscillator generates differential original oscillating signals. The phase compensator generates differential compensated oscillating signals mixed with differential received signals by the mixer to generate differential baseband signals. The respective duty cycles of the compensated oscillating signals are adjusted for minimizing intermodulation distortion in the baseband signals.

Abstract: A digital multimedia reproducing apparatus capable of receiving and providing digital multimedia broadcasting (DMB) in addition to reproducing moving pictures and music, and a DMB providing method performed in the digital multimedia reproducing apparatus, the digital multimedia reproducing apparatus including: a tuner unit to receive a digital broadcasting signal via a predetermined channel; a channel decoding unit to convert the digital broadcasting signal received from the tuner unit into a digital signal and to produce an MPEG-2 transmission stream therefrom; a decoding unit to demultiplex the MPEG-2 transmission stream to extract video data and audio data and H.264-decode the video data; and a control unit to decode the extracted audio data using bit-sliced arithmetic coding (BSAC) software and to control the decoded audio data and the video data to be output.

Abstract: A method for controlling the dehydrating operation of a drum type washing machine includes a pre-acceleration step for accelerating a drum to a predetermined control starting speed, and a main accelerating step for accelerating the drum from the control starting speed to a target speed along a linear locus having a preset acceleration slope. A deviation of the center of gravity of the laundry and a pre-spinning time period are reduced in the aforementioned control method.

Abstract: Disclosed are a method for controlling a driving of a drum type washing machine preventing vibration and noise of a drum, reducing a usage of washing water, and reducing rinse time, and an apparatus thereof. To this end, the drum is rotated with a preset equilibrium speed faster than a speed that vibration of the drum is excessively generated accordingly as a rotation speed of the drum is decreased when a dewatering process of laundry is completed, and washing water is supplied into the drum type washing machine while maintaining the drum as the preset equilibrium speed.

Abstract: A method for controlling the dehydrating operation of a drum type washing machine includes a pre-acceleration step for accelerating a drum to a predetermined control starting speed, and a main accelerating step for accelerating the drum from the control starting speed to a target speed along a linear locus having a preset acceleration slope. A deviation of the center of gravity of the laundry and a pre-spinning time period are reduced in the aforementioned control method.

Abstract: An antenna unit includes a first antenna; a second antenna receiving an electrical signal from the first antenna; and a frequency band transition unit interposed between the first antenna and the second antenna and transitioning between frequency bands receivable by the first antenna and the second antenna according to channels.

Abstract: An apparatus and method are provided for receiving data generated by sequentially performing bit interleaving, symbol interleaving and symbol mapping in a wireless communication system. A fast Fourier transform (FFT) processor receives in-phase/quadrature phase (I/Q) data of a radio channel generated by sequentially performing bit interleaving, symbol interleaving and symbol mapping, and performs an FFT process for the I/Q data. A symbol deinterleaver performs a process for symbol deinterleaving the FFT I/Q data and reference values to be used for symbol demapping of the I/Q data and outputs the symbol-deinterleaved I/Q data and reference values. A symbol demapper performs a process for symbol demapping the symbol-deinterleaved I/Q data according to the reference values. A bit deinterleaver performs a process for bit deinterleaving the symbol-demapped data. A demultiplexer demultiplexes the bit-deinterleaved data.

Abstract: A checksum generation apparatus and method thereof. The checksum generation apparatus includes a control unit which, in response to information on a predetermined length, outputs a control signal when an amount of data corresponding to the predetermined length is received; an addition unit which receives data, performs an addition on the received data, and, in response to the control signal, outputs an addition result; and a conversion unit which converts the addition result to a checksum.

Abstract: This invention provides method for fabricating a thin film transistor substrate that is adaptive for forming a good pattern design and also removing a stepped difference using a three-mask process.

Abstract: A roll printing device, a roll printing method, and a method of fabricating an LCD device using the same are disclosed. The roll printing device includes a dispenser, an anilox roll receiving a predetermined material dispensed from the dispenser, a doctor roll rotating in engagement with the anilox roll to uniformly coat the predetermined material on the anilox roll, a doctor blade in contact with the anilox roll to uniformly coat the predetermined material on the anilox roll, and a printing roll supplied with the predetermined material from the anilox roll. The predetermined material is uniformly coated on the anilox roll by both the doctor roll and the doctor blade.

Abstract: A rechargeable lithium battery is provided. The battery includes an electrolyte including a lithium salt, a non-aqueous organic solvent including an ethylene carbonate-based compound and a pyrocarbonate-based additive; a negative electrode that includes a negative active material including a crystalline-based carbon core and an amorphous-based carbon shell surrounding the crystalline-based carbon core; and a positive electrode comprising a positive active material.

Abstract: An apparatus and method for assigning sub-carriers in an orthogonal frequency division multiplex (OFDM) system are disclosed. In the apparatus and method, data is transmitted through at least one transmit antenna. At least two sub-carriers in a predetermined frequency band are assigned to a user equipment (UE), for data transmission. A Node B groups sub-carriers available to the OFDM system into sub-carrier groups, each having at least two sub-carriers, transmits data to the UE on sub-carriers in the sub-carrier groups, selects at least one sub-carrier group for the UE based on channel condition information about each of the sub-carrier groups received from the UE, and assigns the selected sub-carrier group to the UE.

Abstract: The present invention relates to a heat resistant light diffusion blend composition, and more precisely, a heat resistant light diffusion blend composition which is composed of a substrate resin prepared by blending styrene-maleic anhydride copolymer resin and polymethylmethacrylate resin and a light-diffusing agent composed of acrylic organic particles with a mean diameter of 1˜20 ?m alone or together with silicon organic particles with a mean diameter of 0.5˜20 ?m. Therefore, the heat resistant light diffusion blend composition of the present invention not only has high diffusivity and brightness but also excellent heat resistance, dimensional stability and mechanical properties with a low water absorption rate, so that this composition can be effectively used as a light diffusion plate and also be applied to a backlight for LCDs, lighting apparatus, signboards or glass showcases.

Abstract: Example embodiments may be directed to a printed circuit board having an insulating substrate, pads disposed on the surface of the insulating substrate, a solder resist, and a solder moving portion. Leads of a semiconductor package may be mounted on the insulating substrate. The pads to which the leads of the semiconductor package are connected may be disposed on the surface of the insulating substrate. The solder resist layer may cover the insulating substrate, but may also contain openings exposing at least a portion of the pads to which the leads of the semiconductor package are connected. During the process by which each semiconductor lead is connected to a pad, the solder moving portion on the pad may allow an adhesion solder coating each of the leads of the semiconductor package to move towards a shoulder portion of the semiconductor package leads.

Abstract: A handphone including a phone body and a cover and which is capable of inputting characters using both a keypad installed on the phone body and an extra keypad installed on the cover in the manner in which characters are input through a computer keyboard. The phone body has a display device and a keypad including a plurality of keys. The cover covers the phone body and includes a second keypad including a plurality of keys. The first and second keypads are functionally coupled together to input characters. The handphone has a keyboard structure, such as a computer keyboard, formed by functionally coupling the auxiliary keypad of the cover to the keypad of the phone body. In this structure, characters can be input similar to the way that characters are input through a computer keyboard, so that significantly faster character input is possible.

Abstract: A signal generation apparatus, a frequency converting apparatus and a receiver, in which the signal generation apparatus includes an oscillator, a duty cycle adjusting circuit, and a signal generation circuit. The oscillator generates differential signals. The duty cycle adjusting circuit adjusts duty cycles of differential output signals, in response to at least one of a plurality of control signals, to adjust phases of the differential output signals generated according to a result of amplifying a difference between the differential signals input through a pair of input terminals so as to output duty cycle adjusted differential output signals to a pair of output terminals. The signal generation circuit outputs an in-phase signal and a quadrature-phase signal in response to the duty cycle adjusted differential output signals.

Abstract: An apparatus and method for calculating a square root are provided. The square root calculation apparatus calculates an approximated square root for an input value. An integer detector detects a position of a non-zero most significant bit (MSB) from the input value, and outputs an arbitrary integer value. A first approximated linear square root calculator outputs an approximated square root by applying the input value and an even integer value output from the integer detector to a first linear approximation equation. A second approximated linear square root calculator outputs an approximated square root by applying the input value and an odd integer value output from the integer detector to a second linear approximation equation. A controller controls a multiplexer such that the approximated square roots calculated by the first and second approximated linear square root calculators are output according to whether the integer value output from the integer detector is an even number or an odd number.

Abstract: A method for forming a tungsten contact plug of a semiconductor device including depositing an insulating layer on a semiconductor substrate, etching the insulating layer to form a contact hole, which exposes a conductive region, forming a barrier layer on the semiconductor substrate having the contact hole, changing characteristics of a portion of the barrier layer on the insulating layer and the portion of the barrier layer in the contact hold such that the characteristics between the barrier layer on the insulating layer and the barrier layer in the contact hole differ, depositing a tungsten layer for forming the tungsten contact plug, on the barrier layer, and removing the tungsten layer from the upper portion of the insulating layer to planarize the semiconductor device.

Abstract: A method of establishing a supplemental channel (SCH) to provide burst timing for high-speed data transmission in a mobile communication system is disclosed. In the SCH establishing method, a source base station transceiver determines that a traffic burst exists and sends a target base station transceiver a burst request message. The burst request message includes forward and reverse burst timing information and channel use time information, which is determined in consideration of a discontinuous transmission (DTX) mode, in order to reserve necessary resources, when a large amount of high rate data is to be transmitted. Then, the target base station transceiver sends the source base station transceiver a burst response message including information about resources committed to the traffic burst.