Abstract: A method and apparatus of transmitting data using authentication between a first device and a second device are provided. The method includes transmitting an encrypted certificate of the first device using a shared key shared by the first device and the second device, receiving authentication key generation information for generating an authentication key, which is received when it is determined that the certificate of the first device is valid and not revoked, generating a first random number and generating an authentication key based on the first random number and the authentication key generation information, and encrypting and transmitting data using the authentication key.

Abstract: A display method, medium, and system having an enlarged apparent size greater than a display size of a corresponding display panel. The display device may include a display panel outputting input image data, and a periphery element making up the boundary of the display panel, such that the periphery element gradually varies generation of light in brightness and color so as to cause a viewer to perceive continuity between the display panel and the periphery element.

Abstract: A recording method includes storing at least one Error Correction Code (ECC) data cluster in a primary memory, scrambling data frames contained in the stored ECC data cluster using scramble shift values, storing data in a secondary memory, the data comprising data which is not contained in the data frames and is contained in the ECC cluster and a data block generated by the scrambling of the data frames, interleaving the data stored in the secondary memory, and recording the interleaved data on a disc.

Abstract: A slide module includes a first slide member configured to slide upwardly and downwardly, a second slide member slidably mounted to the first slide member, and an elastic force unit disposed between the first slide member and the second slide member, and having an elastic member mounted between a first rod and a support member, and between a second rod and the support member, wherein an elastic force is generated when the first slide member is slid upwardly and downwardly with respect to the second slide member.

Abstract: Provided is a battery module that offsets external power exerted on a rechargeable battery not only to protect the rechargeable battery but also to ensure security. The battery module includes: a casing which comprises an electrode assembly and has an open upper portion; a cap assembly which is disposed at an upper portion of the casing so as to seal the casing; and a first connection cap which is disposed on the cap assembly, wherein the first connection cap includes: a cap base which is fixed to the cap assembly and in which one or more indentations are formed at an outermost edge portion thereof; and a cover which protrudes from the cap base in an opposite direction of the cap assembly and has one or more openings at a lateral portion thereof.

Abstract: A cooling plate of a liquid cooling includes a chamber hermetically defined therein, an outlet, and an inlet. The outlet and the inlet communicate with the chamber for circulating liquid through the chamber. One of the outlet and the inlet is located in the other one of the outlet and the inlet.

Abstract: Disclosed is a transmitting and receiving method for reducing a time-varying channel distortion in an orthogonal frequency division multiplex (OFDM) system. In the present invention, the transmitter defines M sub-channels in one data group, mathematically analyzes a change of channel for each path causing a time-varying channel distortion in a high-speed mobile environment by approximation, calculates a weight value based on the mathematical analysis and assigns the calculated weight value to transmit data of each sub-channel. Subsequently, the receiver combines the signals of these M sub-channels and demodulates the combined signals. Accordingly, the present invention greatly reduces a distortion caused by the time-varying channel to improve a bit error rate and a channel estimation performance.

Abstract: A shift register having an amorphous silicon thin film transistor for decreasing a distortion of the output signal is disclosed. In the shift register having a plurality of stages for shifting an input signal using first and second driving voltages, first and second clock signals and a start pulse, each of said plurality of stages includes an output buffer for selectively applying any one of the first and second clock signals and the second driving voltage to an output line under control of first and second nodes; a pre-charger for pre-charging the first driving voltage into the first node in response to said start pulse; a second node controller for selectively supplying the first and second driving voltages to the second node in such a manner to be opposite to the first node using said start pulse and an output signal of the next stage; and a first node controller for supplying the second driving voltage to the first node in a time interval excluding the time interval for said pre-charging.

Abstract: An information storage medium on which data is recorded after performing optimum power control (OPC) and a method and apparatus to record/reproduce data on/from the information storage medium, wherein the recordable information storage medium has a plurality of recording layers and a pickup irradiates a beam onto the information storage medium, utilize operations of: recording data on at least a portion of a recording layer through which a test beam to find an optimum recording power passes before performing optimum power control (OPC) on a desired recording layer and performing OPC on the desired recording layer. The method and apparatus allow data to be recorded after performing a test to determine an optimum recording power, thus providing effective recording/reproducing quality.

Abstract: A restricted reception device enabling a subscriber receiver to selectively receive broadcasting data transferred via a digital cable broadcasting network, includes: a demultiplexer for receiving broadcasting data and an ECM including a CW from the subscriber receiver, and demultiplexing them, the broadcasting data and the ECM being transferred through an in-band channel; an out-of-band channel signal processor for receiving an EMM from the subscriber receiver, and processing the EMM, the EMM being transferred through an out-of-band channel; a restricted reception processor for descrambling the scrambled broadcasting data using the ECM and the EMM received from the out-of-band channel signal processor; and a remultiplexer for multiplexing the descrambled broadcasting data received from the restricted reception processor, and sending the multiplexed broadcasting data to the subscriber receiver.

Abstract: The aim of this invention focuses on the development of a high-efficiency bidirectional converter for power sources with great voltage diversity. In traditional bidirectional converters, the circuit topology with transformer form is the common usual. Moreover, the soft-switching techniques including zero-voltage-switching (ZVS) or zero-current-switching (ZCS) are usually used for alleviating the corresponding switching losses. However, there are four and upward power semiconductor switches in these circuit schemes. By this way, it will result in the increase of production cost, and the degeneration of conversion efficiency. The coupled-inductor bidirectional scheme in the proposed converter only adopts three power semiconductor switches to accomplish the objective of bidirectional current control. Under the situation of non-isolation circuit topology, it still possesses the protection of electric safety for operators.

Abstract: An information storage medium on which data is recorded after performing optimum power control (OPC) and a method and apparatus to record/reproduce data on/from the information storage medium, wherein the recordable information storage medium has a plurality of recording layers and a pickup irradiates a beam onto the information storage medium, utilize operations of: recording data on at least a portion of a recording layer through which a test beam to find an optimum recording power passes before performing optimum power control (OPC) on a desired recording layer and performing OPC on the desired recording layer. The method and apparatus allow data to be recorded after performing a test to determine an optimum recording power, thus providing effective recording/reproducing quality.

Abstract: A methodology is disclosed that enables the delay stages of an analog delay locked loop (DLL) or phase locked loop (PLL) to be programmed according to the operating condition, which may depend on the frequency of the input reference clock. The resulting optimized delay stages allow for a broad frequency range of operation, fast locking time over a wide range of input clock frequencies, and a lower current consumption at high clock frequencies. Better performance is achieved by allowing the number of analog delay stages active during a given operation to be flexibly set. The deactivation or turning off of unused delay stages conserves power at higher frequencies. The high frequency range of operation is increased by using a flexible number of delay stages for various input clock frequencies. Because of the rules governing abstracts, this abstract should not be used to construe the claims.

Abstract: A high-speed programmable ROM, a memory cell structure therefor, and a method for writing data on/reading data from the programmable ROM are provided.

Abstract: In a voltage controlled oscillator, a resonant circuit generates a resonant frequency in response to a tuning voltage. A differential oscillator includes first and second transistors differentially cross-coupled to the resonant circuit. The first and second transistors supply energy to the resonant circuit to oscillate the resonant frequency from the resonant circuit, thereby generating first and second oscillation signals having a phase difference of 180 degree. Also, the first and second transistors adjust the first and second oscillation signals to a uniform level in response to a body bias voltage. In addition, an output level detector detects a level of the first and second oscillation signals from the differential oscillator and supplies the body bias voltage corresponding to the detected level to a body of each of the first and second transistors.

Abstract: In one embodiment, a semiconductor package is formed by adding a layer of particles to desired portions of a packing substrate. The layer of particles forms a matrix of crevices that provides a micro-lock feature for mechanically locking or engaging encapsulating materials.

Abstract: An optical transmission network is disclosed that classifies digital broadcast channel data according to virtual channel connection (VCC) before transmission. In the optical transmission network, an optical signal receiver converts an optical signal from an optical line terminal (OLT) into an ATM cell that is classified according to the VCC. A VCC-based ATM cell classifier detects header information and a payload part from the classified ATM cell of each VCC. PID analyzers receive a payload part of an ATM cell corresponding to one VCC from the VCC-based ATM cell classifier, extract PID of each broadcast channel from digital broadcast channel data included in the payload part, and output specific broadcast channel data in the broadcast channel data included in the payload part. A switch receives broadcast channel data output from the PID analyzers and switches the received broadcast channel data to a broadcast channel desired by each subscriber.

Abstract: The present invention discloses a four-mask method of manufacturing an array substrate of a liquid crystal display device and the liquid crystal display device having the same array substrate.

Abstract: An apparatus and method for estimating a decision boundary in symbol units in a mobile communication system. The method for estimating a decision boundary of reception symbols in a receiver of a mobile communication system includes the step of calculating a preliminary decision boundary for every symbol entered a decision boundary estimator; and reflecting the preliminary decision boundary calculated for every symbol in a previous symbol's decision boundary having been calculated in consideration of a channel environment until reaching the previous symbol, and calculating a new decision boundary for the entered symbol.