Abstract: A method of transmitting/receiving a packet using a hybrid automatic repeat request in the mobile communication system is disclosed. The packet data transmitting method includes transmitting at least one sub packet divided from plurality of encoded packets generated by repeating a bit stream that is made by encoding information desired to be transmitted with ? rate turbo encoder, and transmission start point information of the sub packet through the sub packet identifier field on the accompanying control channel.

Abstract: An electromagnetic interference (EMI) shielding filter includes a conductive pattern for shielding electromagnetic waves; and blackened layers formed on a surface of the conductive pattern. The electromagnetic interference (EMI) shielding filter is manufactured by preparing a base film; forming on the base film a first blackened layer, a conductive layer, and a second blackened layer in sequence; and patterning the first blackened layer, the conductive layer, and the second blackened layer by using a same mask, and forming on front and rear surfaces of an EMI shielding layer a conductive pattern comprising the first and second blackened layers.

Abstract: The present invention relates generally to a spiral-patterned internal antenna having an open stub and a personal mobile terminal equipped with the same and, more particularly, to the pattern of an open stub. The spiral-patterned internal antenna of the present invention includes a main part having a spiral pattern; and an open stub connected to the main part. According to the present invention, an antenna for a terminal can be constituted regardless of the shape of a rear casing by using a spiral-patterned antenna having an open stub, and a highly efficient antenna can be formed using the suggested open stub.

Abstract: A VSB communication system or transmitter for processing supplemental data packets with MPEG-II data packets includes a VSB supplemental data processor and a VSB transmission system. The VSB supplemental data processor includes a Reed-Solomon coder for coding the supplemental data to be transmitted, a null sequence inserter for inserting a null sequence to an interleaved supplemental data for generating a predefined sequence, a header inserter for inserting an MPEG header to the supplemental data having the null sequence inserted therein, a multiplexer for multiplexing an MPEG data coded with the supplemental data having the MPEG header added thereto in a preset multiplexing ratio and units. The output of the multiplexer is provided to an 8T-VSB transmission system for modulating a data field from the multiplexer and transmitting the modulated data field to a VSB reception system.

Abstract: The present invention relates to transmitting and receiving a notification of control information for a point-to-multipoint service. Preferably, a mobile terminal receives notification information from a network during a first period. The mobile terminal then determines to receive a control channel during a second period for receiving a control information message according to the notification information. After, the mobile terminal receives the control information message for the point-to-multipoint service during the second period if the mobile terminal determines to receive the control information message during the second period.

Abstract: An LVDS receiver of the present invention rapidly restores an LVDS inputted at a high speed into a full swing signal of CMOS or TTL level. A common mode shifter amplifies an LVDS contained in a common mode signal and then shifts a level of the common mode signal. Further, an intermediate amplifying unit amplifies a signal outputted from the common mode shifter to have a margin above and below a threshold voltage in a predetermined logic lever. In addition, an output buffer unit amplifies a signal outputted from the intermediate amplifying unit to produce a full swing signal.

Abstract: A signal transmission apparatus comprises a plurality of look-up tables (LUTs) corresponding to operation areas of a nonlinear transmission device, an operational characteristic calculator, a LUT selector, and a predistorter. The LUTs are adapted to store gain values of input signal magnitudes. The LUT selector selects a LUT corresponding to a calculated operational characteristic. The selected LUT generates a gain value output signal. The predistorter generates a predistorted signal from the gain value output signal and an input signal. The predistorted signal is input to a nonlinear transmission device.

Abstract: This invention relates to an object identification device, for the blind, that identifies objects such as walls and cars by detecting the ambient environment through a 94-GHz millimeter-wave image system mounted on the eyeglass and inform the situation to the user by transforming the identified signals to the voice or sound. This invention is designed to not only help the blind in walking but also provide the function to find the person who has a device realizing this invention.

Abstract: A discontinuous transmission (DTX) bit processing method for a multirate modulation scheme is provided. The method comprises receiving a symbol; determining whether the symbol comprises at least one DTX bit; mapping the symbol to a predetermined mapping point (S) on an IQ plane; minimizing a transmission power level if the symbol has at least one DTX bit; and transmitting the symbol in the transmission power level of the mapping point.

Abstract: A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission system in a reverse order of the VSB transmission system by using the sequence, and a demultiplexer for demultiplexing the data from the modified legacy VSB receiver into the MPEG data and the supplemental data. The VSB reception system also includes a supplemental data processor for processing the supplemental data segment from the demultiplexer in a reverse order of the transmission system, to obtain the supplemental data, thereby carrying out the slicer prediction, decoding, and symbol decision more accurately by using the predefined sequence, to improve a performance.

Abstract: Disclosed are a method and a device for offering a packet data service during to a handover of a user terminal from one radio network controller to another. To avoid the loss of data during SRNS relocation, there is provided a method for checking the validity of the next expected receive PDCP sequence number sent from a receiver PDCP layer with the send PDCP sequence number of the first transmitted but not yet acknowledged PDCP SDU and the send PDCP sequence number first unsent PDCP SDU of the sender PDCP layer. A PDCP protocol structure is reconstructed to support a lossless SRNS relocation in the packet service domain, and control information and operational procedure therefore are newly defined. As a result, the lossless SRNS relocation is achieved in the packet service domain and the mobility of data communication is ensured.

Abstract: An emergency alert message data structure, an emergency alert message processing method and a broadcast receiver are disclosed. When a state of emergency where a channel change to an emergency broadcast channel is required occurs, a transmitting stage includes information regarding the emergency broadcast channel and emergency alert contents in text form in an emergency alert message and transmits the resulting emergency alert message. A receiving stage receives the emergency alert message and determines whether the channel change to the emergency broadcast channel included in the emergency alert message is required. If the channel change to the emergency broadcast channel is determined to be required, the receiving stage changes the current channel to the emergency broadcast channel, and displays the emergency alert contents in text form included in the emergency alert message on a portion of a screen of the emergency broadcast channel in a scrolling manner.

Abstract: An electromagnetic scanning micro-mirror is provided with a magnetic field generator for supplying a magnetic field, a mirror plate having a reflective plane and a frame structure attached to a rear surface of the reflective plane, a substrate to surround the mirror plate, a pair of torsion bars to connect the mirror plate to the substrate, and a magnetic substance provided at the rear surface of the reflective plane of the mirror plate and adapted to generate a drive force by interacting with the magnetic field supplied from the magnetic field generator, wherein the mirror plate performs a rotation operation about the torsion bars, which define the rotating axis of the mirror plate, by use of the drive force generated from the magnetic substance.

Abstract: VSB reception system with a frequency domain equalizer including a demodulating part for receiving, converting, and demodulating a signal, a frequency domain equalizing part for equalizing the demodulated signal for removing a distorted component from the demodulated signal, and a noise removing part for (a) receiving the equalized signal, (b) calculating a reference error signal that is a difference between the equalized signal and the signal having the noise removed therefrom, (c) calculating an error signal that is a difference between the reference error signal and the extracted noise signal, (d) renewing parameters with reference to the reference error signal and the error signal, and (e) calculating a difference between the equalized signal and the extracted noise signal, to provide a signal having the noise removed therefrom.

Abstract: A support structure for reducing shock to a camera module for use in a mobile communications terminal is provided. The mobile communication terminal comprises a camera case for housing the camera module, the support structure comprising a first projection protruding from an inner surface of the camera case, the first projection in operational relationship with a first receiving cavity formed in the camera module to firmly hold the camera module inside the camera case and prevent the camera module from moving in relationship to the camera case.

Abstract: Disclosed herein is a fixed scroll of a scroll compressor capable of preventing gaseous refrigerant, that is heated in the compressor or contains a large amount of oil scatted in a compression unit, from being introduced into a compression chamber. The fixed scroll includes an open involuted wrap provided at a lower surface thereof, a compression chamber defined in the wrap, a plurality of mounting legs formed at a lower surface of a flange portion around the wrap, and an interceptive guiding portion configured to guide suctioned gaseous refrigerant, introduced to the lower surface of the flange portion, to a tip end of the wrap while preventing the gaseous refrigerant from being circulated between the mounting legs underneath the lower surface of the flange portion, thereby allowing the refrigerant to be introduced into the compression chamber.

Abstract: A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission system in a reverse order of the VSB transmission system by using the sequence, and a demultiplexer for demultiplexing the data from the modified legacy VSB receiver into the MPEG data and the supplemental data. The VSB reception system also includes a supplemental data processor for processing the supplemental data segment from the demultiplexer in a reverse order of the transmission system, to obtain the supplemental data, thereby carrying out the slicer prediction, decoding, and symbol decision more accurately by using the predefined sequence, to improve a performance.

Abstract: Disclosed herein is an oil supply structure of a scroll compressor capable of preventing a sludge clog phenomenon in a fine hole of an oil supply screw. The oil supply structure comprises a backpressure space defined between an orbiting scroll and a main frame of the compressor, a screw bore perforated through the main frame between the backpressure space and a space defined between a fixed scroll and the main frame, and the oil supply screw fastened in the screw bore and having a stepped screw body including upper and lower portions of different diameters. The upper and lower portions of the screw body are vertically perforated, through the center thereof, with a center hole and a fine hole, respectively, to form an orifice. An entrance end of the lower portion of the screw body is exposed to the backpressure space, thereby preventing the fine hole of the oil supply screw from being clogged with sludge.

Abstract: There are provided a surface emitting device and a projection display device, in which high power output can be produced by configuring a large-scaled LED. The surface emitting device includes a plurality of stacked light emitting elements provided on one module. Each of the stacked light emitting elements includes n-type layers, light emitting layers and p-type layers, which are formed in sequence.

Abstract: A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission system in a reverse order of the VSB transmission system by using the sequence, and a demultiplexer for demultiplexing the data from the modified legacy VSB receiver into the MPEG data and the supplemental data. The VSB reception system also includes a supplemental data processor for processing the supplemental data segment from the demultiplexer in a reverse order of the transmission system, to obtain the supplemental data, thereby carrying out the slicer prediction, decoding, and symbol decision more accurately by using the predefined sequence, to improve a performance.