Samsung Sds Co., Ltd.

Cheil Industries Inc.

Skhynix Inc.

Samsung Sdi Co., Inc.

Lotte Advanced Materials Co., Ltd.

Soltech Infonet Co., Ltd.

Lee, Chang Hoon

Chang Hoon Lee

Dong Baek Kim

Mie Ock Kim

Yeon Ju Lee

Eun Kyung Kim

Jong Won Lee

Ji Won Lee

Jung Soo Kim

O Sung Kwon

Hyo Jin Yoon

Ji Hoon Cho

Kyu Sam Oh

Ki Young Kim

Young Hwa Lee

Seung Yeol Lee

Sunghak Song

Jang Hyuk Ahn

Hyung Joo Mo

Il Hwan Yang

Jin Bum Hwang

Byung Chul Park

Chang Bae Lee

Kyung Jin Youn

Kyungeun Woo

Kyeong Ho Sun

Hun Hee Yu

Dong Ghu Seon

Ji Sang Yoon

There is provided a communication device. The communication device may comprise one or more processors; a communication interface; and a memory that stores a computer program executed by the one or more processors, wherein the computer program includes instructions for operations of: forming a general security channel according to a first transport layer security (TLS) protocol that does not support a post-quantum cryptography algorithm with another communication device; forming a communication channel of an application layer (L) with another communication device through the general security channel; forming a quantum security channel by performing a handshake procedure according to a second TLS protocol that supports the post-quantum cryptography algorithm with another communication device through the communication channel; and communicating with another communication device through the quantum security channel.

Communication method for quantum security and communication device supporting the same

A fail data augmentation device may input a plurality of fail data units to a data augmentation model, obtain a plurality of augmented fail data units outputted from the data augmentation model, and delete one or more of the augmented fail data units. The plurality of fail data units and the plurality of augmented fail data units includes a first parameter indicating one of a plurality of banks included in a random access memory, a second parameter indicating one of a plurality of matrices included in the bank corresponding to the first parameter, and a third parameter indicating one of a plurality of hex units included in the matrix corresponding to the second parameter respectively.

Fail data augmentation device and method for random access memory

The present invention relates to a fibre optic fusion splicing technique, in particular to a fibre optic fusion splicer for reliable and stable fibre optic fusion splicing, that is characterized by comprising: an alignment part for fixing and aligning first and second optical fibres that are to be fusion spliced; a fusion splicing module having an electrode bar for fusion splicing the first and second optical fibres that are fixed to and aligned in the alignment module; an optical module for photographing the aligned state of the first and second optical fibres aligned by the alignment module, and the fusion-spliced state of the first and second optical fibres fusion-spliced by the fusion splicing module; a support part in which the fusion splicing module and the optical module are mounted; and a lift module for moving the support part up and down.

Fibre optic fusion splicer

A method for preparing an aromatic carbonate, of the present invention, comprises the steps of: (A) preparing a reaction mixture containing an aliphatic carbonate by reacting an organometallic compound and carbon dioxide; and (B) preparing an aromatic carbonate by reacting the reaction mixture and an aromatic alcohol. The method for preparing an aromatic carbonate allows an aromatic carbonate to be economically prepared in a high yield by using carbon dioxide as a carbonyl supply source.

Method for preparing aromatic carbonate

A method for preparing a carbonic ester includes reacting carbon dioxide and a Cto Calcohol with an organometallic compound represented by Formula 1. With the method, carbonic ester can be prepared in high yield without recycling the organometallic compound.M(OR)&#x2003;&#x2003;[Formula 1]

Method for preparing carbonic ester using organometallic compound

Provided is a method of estimating a queuing delay. The method includes: obtaining a round trip time (RTT) reference value, a forward one-way transmit time (OTT) reference value and a backward OTT reference value; and in accordance with a determination of whether a first increment rate is larger or smaller than a second increment rate, updating one of the forward OTT reference value and the backward OTT reference value based on the RTT reference value, the first increment rate being a rate of increment in local time of the transmitter, the second increment rate being a rate of increment in local time of the receiver.

Method and apparatus for estimating queuing delay

Provided are a method and an apparatus for controlling streams to receive data in parallel. The method includes receiving data in parallel using a plurality of connected streams, calculating a network congestion rate using a change in a transmission speed of data received through each of the plurality of streams, adjusting a number of connections of the plurality of streams based on the calculated network congestion rate, and receiving the data in parallel using the adjusted number of streams.

Method and apparatus for controlling stream to receive data in parallel

The present invention provides a catalyst for synthesizing an aromatic carbonate, a method of preparing the same, and a method of preparing an aromatic carbonate from dialkyl carbonate using the catalyst. The catalyst has a unit structure consisting of Formulae 1a, 1b or 1c:  wherein Ris C1-C5 alkyl, Ris substituted or unsubstituted phenyl.

Catalyst, method of preparing the same, and method of preparing aromatic carbonate from dialkyl carbonate using the same

A method of preparing aromatic carbonate from dialkyl carbonate includes reacting an aromatic hydroxyl compound and dialkyl carbonate in the presence of at least one type of samarium-containing catalyst represented by Formula 1, Formula 2, or a combination thereof:SmX&#x2003;&#x2003;[Formula 1] wherein each X is the same or different and is independently C1 to C10 alkoxy, C1 to C10 alkyl phenoxy or phenoxy, and  wherein R1 and R2 are the same or different and are independently hydrogen or C1 to C6 alkyl.

Aromatic carbonate, method of preparing the same, and polycarbonate prepared using the same

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Yongin-si, South Korea

Chang Hoon Lee