Patent application number | Description | Published |
20090211281 | Air conditioning apparatus and method for determining the amount of refrigerant of air-conditioning apparatus - In a refrigerant amount determining method of an air-conditioning apparatus, when a refrigerant amount determining mode is requested to be performed, whether or not the amount of refrigerant in the air-conditioning apparatus can be automatically determined. Thus, a user can easily check whether or not the refrigerant charged in the air-conditioning apparatus is excessive or insufficient. | 08-27-2009 |
20100170270 | AIR CONDITIONER AND DEFROSTING OPERATION METHOD OF THE SAME - An air conditioner is provided, in which some of a plurality of outdoor heat exchangers implement a defrosting operation and others implement a heating operation. The air conditioner includes a compressor to compress refrigerant, a hot gas pipe to which a part of the refrigerant compressed in the compressor is moved, a 4-way valve to which the remaining refrigerant compressed in the compressor is moved, an indoor heat exchanger in which the refrigerant, having passed through the 4-way valve, undergoes heat exchange with indoor air, and a plurality of outdoor heat exchangers, some of which implement a heating operation as the heat-exchanged refrigerant from the indoor heat exchanger is moved therethrough while others implement a defrosting operation as the refrigerant having passed through the hot gas pipe is moved therethrough. | 07-08-2010 |
20100206000 | Air conditioner and method of controlling the same - An air conditioner includes a plurality of compressors, a common intake pipe, and a plurality of oil equalizing pipes that connect the compressors to the common intake pipe such that oil existing above a reference oil level in the compressors can be transferred to the common intake pipe. An oil equalizing valve provided on at least two of the oil equalizing pipes controls oil flowing through the oil equalizing pipes, where at least two of the oil equalizing valves can be opened together during performance of oil equalizing operation such that amounts of the oil in at least two compressors can be equalized. | 08-19-2010 |
20100212342 | AIR CONDITIONER AND METHOD OF CONTROLLING THE SAME - An air conditioner includes a compressor, a first heat exchanger, and a first pipe configured to allow refrigerant to flow from the first heat exchanger. A bypass pipe is branched off from the first pipe and is configured to expand refrigerant flowing through the bypass pipe. A second heat exchanger is configured to allow the expanded refrigerant of the bypass pipe to heat-exchange with the refrigerant flowing along the first pipe. A second pipe couples the second heat exchanger to the compressor so that the refrigerant expanded by the bypass pipe and heat-exchanged at the second heat exchanger can be introduced into the compressor. | 08-26-2010 |
Patent application number | Description | Published |
20120105381 | LIQUID CRYSTAL DISPLAY WITH INTEGRATED TOUCH SCREEN PANEL - A liquid crystal display with an integrated touch screen panel is disclosed. According to some aspects, conductive patterns or conducting patterns provided to the LCD are used as driving electrodes of the touch screen panel. A driving electrode of the touch screen panel may be formed on one surface of a polarizing plate or window attached to the LCD so as to be positioned close to a contact point, thereby improving touch sensitivity. | 05-03-2012 |
20120127148 | DISPLAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE - A display substrate includes an insulating substrate, a first gate line, a first lower electrode, a second lower electrode, a first upper electrode, and a second upper electrode. The insulating substrate includes a first pixel region and a second pixel region located at a first direction from the first pixel region. The first gate line extends in a second direction crossing the first direction on the insulating substrate. The first and the second lower electrodes are in the first and the second pixel regions, respectively. The first upper electrode overlaps the first lower electrode in the first pixel region and includes a first slit pattern extending in a third direction different from the first and the second directions. The second upper electrode overlaps the second lower electrode in the second pixel region and includes a second slit pattern extending in a fourth direction different from the first to third directions. | 05-24-2012 |
20120146978 | Shift Register and Display Apparatus - A shift register including a plurality of stages, each of them including a first node, a second node, and a third node being in a high-impedance state when the first node is in a high-impedance state. The shift register includes an input circuit unit inputting a driving voltage to the first node in response to an output signal of a previous stage, a driving circuit unit generating an output signal according to a voltage of the first node, and a holding unit holding the output signal at a level of a gate-off voltage according to a voltage of the second node in an inactive period of a current stage, in which the holding unit comprises a first diode which applies a clock signal to the second node. | 06-14-2012 |
20150179710 | METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DISPLAY APPARATUS - A method of manufacturing an organic light emitting display apparatus by utilizing a deposition apparatus for forming an organic layer on a substrate includes: fixing the substrate to a mask assembly for forming a common layer or a mask assembly for forming a pattern layer in a loading unit; when the one or more deposition assemblies are separated from the substrate, forming an intermediate layer by depositing a deposition material discharged from the one or more deposition assemblies in a deposition unit of the deposition apparatus onto the substrate while the substrate is moved relative to the one or more deposition assemblies by a first conveyer unit; and separating the substrate on which the deposition is finished from the mask assembly for forming the common layer or the mask assembly for forming the pattern layer in an unloading unit. | 06-25-2015 |
Patent application number | Description | Published |
20130108000 | METHOD AND APPARATUS FOR PERFORMING SYNCHRONIZATION BETWEEN DEVICES | 05-02-2013 |
20140112332 | METHOD AND APPARATUS FOR SYNCHRONIZATION FOR DEVICE-TO-DEVICE COMMUNICATION - A method and an apparatus for synchronization for a device-to-device communication are disclosed. The method includes: instantly adjusting a synchronization phase value according to a time point when a synchronization signal is received, as soon as a device receives the synchronization signal from an adjacent device in an unconnected state; accumulatively storing at least one phase adjustment value according to a time point when at least one synchronization signal is received, whenever the device receives the at least one synchronization signal from at least one adjacent device in a connected state; and adjusting the synchronization phase value according to the stored at least one phase adjustment value when the device transitions from the connected state to the unconnected state. | 04-24-2014 |
20140133593 | METHOD AND APPARATUS FOR SUPPORTING MULTIPLE-ACCESS SIGNAL IN MOBILE COMMUNICATION SYSTEM - In order to generate multiple-access signals, each transmitter transmits information by using all or a part of channel resources. The signal of each transmitter is mapped to an OFDM time-frequency resource space as a trellis modulation path. A mobile communication system maps trellis modulation paths of a plurality of transmitters to the same resource space. In order to effectively detect and distinguish signals of a plurality of transmitters transmitted through the same channel resource space, a receiver uses a message passing method between symbols and a path connection method. The receiver uses a state space expansion method, a backward pre-decoding method, and a successive interference cancellation method to more efficiently reconstruct a discovery signal. | 05-15-2014 |
20140211887 | APPARATUS AND METHOD FOR SUPPORTING TIME-QUADRATURE AMPLITUDE MODULATION IN A WIRELESS COMMUNICATION SYSTEM - A method for supporting Time-Quadrature Amplitude Modulation (TQAM) in a wireless communication system includes generating a transmission symbol identified by a combination of a QAM symbol and a position of a time resource to which the QAM symbol is mapped, shifting at least one QAM symbol among QAM symbols contained in the transmission symbols with respect to a time axis, and readjusting a constellation point of the QAM symbol on the basis of a shifting quantity. A method for operating a receive end comprises receiving a reception symbol identified by a combination of a QAM symbol and a position of a time resource to which the QAM symbol is mapped, restoring at least one QAM symbol shifted in a transmit end for uniformizing of the time-axis distribution of QAM symbols contained in the reception symbols, generating decoding metrics for the reception symbol, and performing decoding the reception symbol using the decoding metric. | 07-31-2014 |
20140269387 | SCHEDULING METHOD AND APPARATUS IN SYSTEM PERFORMING DEVICE-TO-DEVICE COMMUNICATION - A link scheduling method in a system for performing Device-to-Device (D2D) communication includes periodically collecting information indicating whether to perform a medium access from at least one neighboring link determining at least one link expected to perform a medium access in a corresponding traffic slot among links with a higher priority than the terminal based on the collected information, and determining whether to perform the medium access of the terminal by considering only the at least one link expected to perform the medium access. | 09-18-2014 |
20140270029 | APPARATUS AND METHOD FOR SUPPORTING DEVICE TO DEVICE COMMUNICATION - A method for operating a device in a wireless communication system supporting Device to Device (D2D) communication system includes receiving a reference signal from each of at least one transmitting device, estimating a frequency offset between the reference signals and a comparison reference signal corresponding to the reference signals, and adjusting a transmit frequency of a voltage controlled oscillator of the device using the estimated frequency offset estimation. An apparatus for compensating for a frequency offset of a device in a wireless communication system supporting Device to Device (D2D) communication system includes a frequency offset estimator configured to receive reference signals from each of at least one transmitting device, and estimating a frequency offset between the reference signals and a comparison reference signal corresponding to the reference signals, and a voltage controlled oscillator configured to adjust a transmit frequency using the estimated frequency offset. | 09-18-2014 |
20140302791 | APPARATUS AND METHOD FOR DEVICE TO DEVICE COMMUNICATION IN A WIRELESS NETWORK - A method for supporting an application by Device to Device (D2D) communication in a wireless network includes acquiring range control information from an application upon selection of the application installed in the source device, controlling transmission power of a discovery signal for discovering a target device to conduct D2D communication, based on range control information defined for the selected application, and transmitting the discovery signal with the controlled transmission power. An apparatus includes a controller configured to acquire range control information from an application upon selection of the application installed in the source device, and control transmission power of a discovery signal for discovering a target device to conduct D2D communication, for the selected application based on range control information defined for the selected application, and a transmitter configured to transmit the discovery signal with the controlled transmission power. | 10-09-2014 |
20140307832 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SIGNAL IN WIRELESS COMMUNICATION SYSTEM - One or more embodiments provides method for transmitting a signal by a transmitting apparatus in wireless a communication system supporting a modulation scheme based on a quadrature amplitude modulation (QAM) scheme and a frequency shift keying (FSK) scheme. The method includes determining at least one first bit which will be mapped to at least one QAM symbol and at least one second bit which will be mapped to at least one FSK symbol among bits included in an encoded input bit stream; and generating a modulation symbol by mapping the at least one first bit to the at least one QAM symbol and mapping the at least one second bit to the at least one FSK symbol based on a Hamming distance of the at least one second bit. | 10-16-2014 |
20150222472 | APPARATUS AND METHOD FOR ADAPTIVELY SELECTING CHANNEL CODE BASED ON NON-GAUSSIANITY OF CHANNEL IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus are provided for adaptive channel code selection according to a non-Gaussianity of a channel in a wireless communication system. A method includes receiving channel feedback information from a receiving node; selecting, based on the channel feedback information, a channel code among a plurality of channels code having different degree distributions of repetition codes; and encoding transmission data based on the selected channel code. | 08-06-2015 |
20150230118 | APPARATUS AND METHOD FOR CHANNEL QUALITY INFORMATION FEEDBACK IN WIRELESS COMMUNICATION SYSTEM USING FREQUENCY QUADRATURE AMPLITUDE MODULATION - A method of operating a base station in a wireless communication system supporting frequency and quadrature-amplitude modulation (FQAM) is provided. The method includes receiving channel quality information and non-Gaussian information for a data region from a mobile station, and determining a MCS level on the basis of the channel quality information and the non-Gaussian information. | 08-13-2015 |
20150263763 | APPARATUS AND METHOD FOR CORRECTING ERROR IN MOBILE COMMUNICATION SYSTEM USING NON-BINARY LOW-DENSITY PARITY-CHECK CODES - Various embodiments of the present disclosure adjusts the size (nm) of a message input to a corresponding check node in case the unsatisfied check equation increases as the iteration count increases. | 09-17-2015 |
20150295592 | DECODING METHOD, APPARATUS, AND ALGORITHM FOR NONBINARY LDPC CODES - Provided is a method for decoding a non-binary (NB) low density parity check (LDPC) code at a user equipment (UE) that implements at least one variable nodes that receive a received signal of a wireless channel and deliver an input message to a check node and the check node that checks the input message and outputs an output message. The method includes receiving at least one input messages, generating a temporary vector by using the at least one input messages, searching for an element having a dominant value by checking the temporary vector, generating a configuration set, which is a check target, by using the element having the dominant value, and generating the output message by performing comparison with respect to the generated configuration set. | 10-15-2015 |
20150358194 | METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING SIGNAL BY USING MODULATION TECHNIQUES IN WIRELESS COMMUNICATION SYSTEM - Disclosed is a method and device for transmitting and receiving a signal by using modulation techniques in a wireless communication system. The method according to the present invention includes: selecting one of QAM and improved QAM according to at least one predefined criterion; encoding information bits to be transmitted according to a first encoding scheme and mapping encoded information bits to QAM symbols when the QAM is selected; encoding information bits to be transmitted according to a second encoding scheme and mapping encoded information bits to improved QAM symbols when the improved QAM is selected; and transmitting the QAM symbols or the improved QAM symbols through a given resource region. | 12-10-2015 |
20150365992 | METHOD AND APPARATUS FOR MEASURING LINK QUALITY IN WIRELESS COMMUNICATION SYSTEM SUPPORTING DEVICE-TO-DEVICE COMMUNICATION - The present disclosure relates to a device-to-device (D2D) communication for direct communication between nodes in a wireless communication system, wherein an operation method of a terminal includes the steps of: generating sequences, which belong to an orthogonal sequence set, according to a sequence pattern corresponding to a priority of a link; and transmitting the sequences, as signals for measurement of a reception electric power of a counterpart terminal, through sub-blocks within a channel, wherein one sequence is transmitted through each of the sub-blocks. | 12-17-2015 |