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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 58. Отображено 58.
21-06-2018 дата публикации

NOVEL PEDOBACTER SP. STRAIN, METHOD FOR PRODUCING LOW-TEMPERATURE CHITINOLYTIC ENZYME USING SAME AND ENVIRONMENTALLY-FRIENDLY MICROORGANISM PREPARATION CONTAINING SAME

Номер: KR0101869966B1

The present invention relates to a novel Pedobacter sp. strain, and more specifically, to a novel Pedobacter sp. strain, which produces a low-temperature chitinolytic enzyme exhibiting activity at the temperature of 0°C to 30°C, to a method for producing a low-temperature chitinolytic enzyme using the same, and to a microorganism preparation containing the same. COPYRIGHT KIPO 2018 ...

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19-06-2018 дата публикации

APPARATUS AND METHOD TO MEASURE SERVICE QUALITY OF PACKET-BASED GROUP COMMUNICATION SYSTEM

Номер: KR1020180066293A
Принадлежит:

The present invention relates to an apparatus and a method to measure the service quality of a packet-based group communication system. The present invention includes: a group communication terminal which performs a group communication; an intermediate device which analyzes voice quality between a transmission terminal and a reception terminal included in the group communication terminal; and a control device which transmits a test command including a group call connectivity test, a late entry connectivity test, and a speech right control test to the group communication terminal and measures and expresses the quality of the group communication according to voice quality analysis information received from the intermediate device and test result information received from the group communication terminal. The present invention: is able to easily grasp whether the performance of a group communication service satisfies requirements in a complex environment where a wireless mobile communication ...

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17-08-2018 дата публикации

METHOD FOR PROCESSING DYNAMIC DATA BY FULLY HOMOMORPHIC ENCRYPTION SCHEME

Номер: KR1020180092199A
Принадлежит:

The present invention relates to a method that a dynamic data processing apparatus including a homomorphic encryption module and a plurality of operation modules provided in parallel processes dynamic data. The method comprises: a first step of fully encrypting dynamic data received from an object generating dynamic data by a homomorphic encryption module; a second step of operating the encrypted dynamic data to update an encrypted state variable by operation modules; and a third step of updating the state variable by an equation after a bootstrapping operation module completes bootstrapping. COPYRIGHT KIPO 2018 (100) Dynamic data processing apparatus (120) Homomorphic encryption module (140) Operation module (AA) Dynamic data (BB) Output an operation result ...

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02-02-2017 дата публикации

COMPOSITION OF MITIGATING, CURING, OR PREVENTING CONSTIPATION BY INCLUDING FERMENTED CASSIA SEEDS AS EFFECTIVE COMPONENT

Номер: KR1020170011391A
Принадлежит:

The present invention relates to health functional food of mitigating, curing, or preventing constipation by including fermented cassia seeds as an effective component, a pharmaceutical composition of curing or preventing constipation, and a manufacturing method of fermented cassia seeds increasing the water content and the weight of excrement. According to the present invention, cassia seeds are used for a long time, have high stability, and include small probability of side-effect occurrence as an herb medicine. The fermented cassia seeds exhibit an effect of increasing the moisture content and weight of excrement equivalent to that of Dulcolax-S, commercialized by using sennoside, or bisacodyl and sodium docusate as an effective component, which are a stimulant constipation banned from being used in health functional food due to a side-effect problem, so as to be used as a pharmaceutical composition for curing or preventing constipation, or health functional food for mitigating or preventing ...

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16-01-2019 дата публикации

동형 암호화된 데이터의 연산의 위변조를 판단하는 방법

Номер: KR1020190005540A
Автор: 천정희, 송용수, 한규형
Принадлежит:

... 본 발명에 의한 암호문 위변조 판단 방법이 수행되는 환경은, 기초 정보를 수집하는 정보 수집부와, 기초 정보를 암호화하는 암호화모듈과, 암호화 모듈의 결과값인 암호문을 수신하여 복호화하는 복호화 모듈과, 복호화된 데이터에 기반하여 제어되는 몸체부를 포함하는 시스템을 포함한다. 보안 인수( )에 따라 암호문의 집합(C)와 메시지의 집합(M)이 정해지며, 메시지 집합에서 암호문의 집합으로 보내는 비밀함수(s)로서 역함수가 존재하는 비밀함수(s)가 설정되며, 비밀키(K)가 정해진다. 본 발명에 의한 암호문 위변조 판단 방법은, 암호화 모듈이 메시지를 비밀함수(s)를 이용하여 암호문의 집합으로 보내는 인코딩을 수행하는 제1 단계와; 암호화 모듈이 메시지 각각에 부여되는 고유 번호(id)를, 비밀키(K)를 사용하는 의사 난수 함수(FK)에 의해 생성된 암호문의 집합(C)의 랜덤 원소에 대응시키는 제2 단계와; 암호화 모듈이 제1 단계에서 생성한 인코딩 메시지를 제2 단계에서 생성한 랜덤 원소를 이용하여 마스킹하여 암호화 값( )을 생성하는 제3 단계와; 복호화 모듈이 암호문의 위변조를 검증하는 제4 단계를 포함한다. 검증하는 제4 단계는, 메시지 각각의 고유 번호(id)를, 비밀키(K)를 사용하는 의사 난수 함수를 이용하여 암호문의 집합(C)의 랜덤 원소에 대응시키는 제4-1 단계와; 제4-1 단계에서 생성된 랜덤 원소를 이용하여 마스킹을 제거하는 제4-2 단계와; 비밀함수의 역함수를 이용하여 메시지를 복호화하는 제4-3 단계와; 제4-2 단계에서 마스킹을 제거하여 획득한 값이 비밀함수의 치역에 있는지 여부를 검증하고 참인 경우에만 제4-3 단계에서 복호화된 값을 출력하는 제4-4 단계를 포함한다.

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24-06-2016 дата публикации

METHOD FOR HANDOVER OPTIMIZED TRAIN'S MOBILITY PATTERN IN WIRELESS COMMUNICATION BASED TRAIN CONTROL SYSTEM

Номер: KR0101632956B1
Принадлежит: 한국철도기술연구원

... 본 발명의 열차의 이동패턴에 최적화된 핸드오버 방법은, 차상장치와 지상장치가 무선 통신망으로 연계하여 열차를 제어하는 무선통신 열차 제어시스템에서의 핸드오버 방법에 있어서, (a) 상기 열차 내에 구비된 핸드오버장치는 현재 주행 중인 열차가 제1기지국의 셀에 위치하고, 상기 열차의 운행정보 또는 셀 아이디에 근거하여 기지국 중첩구간에 해당하는 정차구간 또는 저속구간에 있는지 여부를 판단하는 단계; (b) 상기 (a) 단계에서, 상기 기지국 중첩구간에 해당하는 정차구간 또는 저속구간에 있는 경우, 이종망으로의 핸드오버가 가능한지 판단하는 단계; (c) 상기 (b) 단계에서 이종망으로의 핸드오버가 가능한 경우, 상기 지상장치가 상기 열차의 운행 방향 및 속도에 따라 상기 핸드오버장치에게 이종망으로의 핸드오버를 수행하는 단계;를 포함한다. 본 발명에 따르면, 핸드오버장치 또는 기지국이 열차의 운행 방향을 판단하여 이전 기지국에 대한 핸드오버를 제한함으로써, 핸드오버장치의 이동 패턴에 최적화된 핸드오버가 가능하며, 핑퐁 현상을 방지할 수 있는 효과가 있다.

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23-11-2016 дата публикации

FINGERPRINT REGISTRATION METHOD AND FINGERPRINT AUTHENTICATION METHOD

Номер: KR1020160133991A
Принадлежит:

Various embodiments of the present invention provide a fingerprint registration method and a fingerprint authentication method which are capable of being immune to a correlated attack or a multi-templates attack by partitioning an obtained image into a plurality of grid regions and assigning random values to all the grid regions that do not include fingerprint feature points. COPYRIGHT KIPO 2016 (201) Obtain a (Registeration) fingerprint image of a user (203) Preprocessing on fingerprint images (205) Extracting a fingerprint feature point (207) Dividing the fingerprint image into a plurality of areas and assigning index values to each area (209) Assigning a calculated value or a random value to each area according to formula (211) Storing a fingerprint template based on assigned value for each area (AA) Start (BB) End ...

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06-11-2017 дата публикации

HOMOMORPHIC ENCRYPTION METHOD WITH REDUCED CRYPTOGRAM SIZE

Номер: KR1020170122458A
Принадлежит:

The present invention relates to a method for encrypting and decrypting using a homomorphic encryption algorithm performed by a computer. The homomorphic encryption and decryption method comprises: a first step of generating a symmetric key; a second step of performing a homomorphic encryption on data by using the symmetric key; a third step of transmitting the encryption data which is the result of the second step to a server to which an operation for the encryption data is delegated; a fourth step of receiving the calculation result performed by the server; and a fifth step of decrypting the operation result received from the fourth step with the symmetric key. COPYRIGHT KIPO 2017 (10) Client (100) Generate a secrete key (110) Acquire a seed value (120) Generate a random part based on the seed value (130) Calculate a message information part (140) Output a compressed ciphertext (150) Delete a bit in which an error is placed in the message information part (160) Transmit the compressed ...

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11-11-2010 дата публикации

METHOD FOR CONTROLLING AN INVERTER BOOSTER PUMP

Номер: KR2010128749A1
Автор: SONG, YongSoo
Принадлежит:

The present invention relates to a method for controlling an inverter booster pump, which drives a pump (or a combination of pumps) at a point with the highest energy efficiency to minimize power consumption. The method according to the present invention comprises the steps of: (S101) measuring the pressure of a water supply pipe with a sensor; comparing the pressure of the water supply pipe measured by the pressure sensor with a preset pressure; (S103) driving any one pump when the preset pressure is higher than the measured pressure; (S104) remeasuring the pressure of the water supply pipe, which has changed by driving any one pump in step (S103), and comparing the remeasured pressure of the water supply pipe with the preset pressure; (S105) determining whether or not the operating efficiency of the pump in operation has reached highest efficiency, if the preset pressure is higher than the measured pressure; (S106) additionally operating any one pump from among standby pumps if the operating ...

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18-01-2016 дата публикации

ARRANGEMENT STRUCTURE OF BASE SATIATION APPARATUS APPLIED TO WIRELESS COMMUNICATION TRAIN ENVIRONMENT

Номер: KR1020160005868A
Принадлежит:

The present invention provides an arrangement structure of a base satiation apparatus applied to a wireless communication train environment. A cell is arranged between stations according to a train speed pattern to extend the overlapping section of the cells in a high speed section, so as to reduce probability of getting off the cell range for a service. A position offset (W) is set to prevent a stopped train from being arranged in the overlapping section of the cells, to prevent a ping pong phenomenon generated when the train stops near the station. A frequency reuse coefficient is controlled according to a distance from RRH or the radius of a track. The number of activated DUs is minimized by allocating only the RRH adjacent to a train position to the DU, to reduce Du installation cost and power consumption. COPYRIGHT KIPO 2016 ...

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16-08-2018 дата публикации

METHOD FOR PROCESSING DYNAMIC DATA BY FULLY HOMOMORPHIC ENCRYPTION METHOD

Номер: WO2018147497A1
Принадлежит:

The present invention relates to a method for processing dynamic data by a dynamic data processing apparatus including a plurality of computation modules provided in parallel with a homomorphic encryption module, the method comprising: a first step in which the homomorphic encryption module subjects dynamic data, received from an object generating dynamic data, to fully homomorphic encryption; a second step in which the computation modules compute the encrypted dynamic data and update an encrypted state variable; and a third step in which a bootstrapping computation module completes bootstrapping, and then updates the state variable by the following mathematical equation.

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02-08-2017 дата публикации

콜 발생자 및 발언권 중재자 다중화에 의한 PTT 제어 방법

Номер: KR0101763471B1
Принадлежит: 한국철도기술연구원

... 본 발명의 PTT 제어 방법은 PTT 통신을 위한 적어도 둘 이상의 단말을 구비하여 콜 발생 단말과 PTT 통신에 참여하는 적어도 하나의 참여 단말이 정의되고, 최초 콜 발생 단말이 상기 참여 단말에 기 설정된 주기로 해당 주기값을 실어서 그룹 콜 알림 신호를 전송하는 단계; 상기 참여 단말들은 상기 주기값 동안에 상기 그룹 콜 알림 신호의 수신 유무에 따라 상기 콜 발생 단말의 이상 여부를 감지하는 단계; 상기 최초 콜 발생 단말의 이상 발생시, 콜 발생 단말 교체를 위해 단말들이 공유하는 콜 발생 후보 단말군 리스트에 속하는 적어도 하나의 단말이 콜 발생 단말로 변경되어, 콜 발생을 수행하는 단계;를 포함한다. 본 발명에 의하면, 특수 목적 통신망에서 예기치 않게 콜 셋업(call setup) 및 발언권 중재 단말(floor arbitrator) 역할을 담당하는 서버 또는 단말의 이상 현상에 효과적으로 대처하여 PTT 통신의 신뢰성 및 운영의 안전성을 향상시킬 수 있는 효과가 있다.

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10-08-2017 дата публикации

HARQ 및 인덱스 코딩을 이용한 패킷 재전송 방법

Номер: KR0101766531B1
Принадлежит: 한국철도기술연구원

... 본 발명에 의하면, 무선통신망의 기지국이 다수의 단말로 패킷을 전송하는 멀티캐스팅 전송 환경에서의 패킷 재전송 방법에 있어서, 상기 기지국이 상기 단말에 다수의 패킷을 다수의 HARQ process에 실어 전송한 후, HARQ process의 수신 여부에 대한 ACK 신호 또는 NACK 신호를 상기 단말로부터 수신하면, 상기 단말에서 미수신된 패킷을 확인하고, 상기 기지국이 상기 단말의 미수신된 패킷을 단말로 재전송할 때, 미수신된 적어도 둘 이상의 패킷을 배타적 논리합 연산에 해당하는 인덱스 코딩을 하여 재전송하되, 기 수신된 ACK 신호 또는 NACK 신호를 참조하여 미수신된 적어도 하나의 HARQ process에 대하여 선택한 후 해당 HARQ process에 포함된 패킷들을 인덱스 코딩하여 재전송하는, HARQ 및 인덱스 코딩을 이용한 패킷 재전송 방법을 제공한다. 본 발명에 의하면, HARQ의 재전송 수를 최소화하면서 모든 단말에게 필요한 패킷 재전송이 가능하므로 효율적인 무선 자원 사용이 가능하며, 이로 인해 멀티캐스트 전송률이 다소 개선될 수 있는 효과가 있다.

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01-11-2018 дата публикации

BIOMETRIC INFORMATION AUTHENTICATION METHOD FOR PROTECTING BIOMETRIC INFORMATION

Номер: WO2018199713A1
Принадлежит:

A confidential information authentication method according to the present invention comprises: a first step of allowing a confidential information authentication server to receive, from a confidential information registration terminal, the product of a first confidential information vector and a matrix (Q) and store the same; a second step of allowing the confidential information authentication server to receive, from a confidential information authentication request terminal, a third vector enabling the value, obtained by multiplying a transposed matrix (QT) of the matrix and the third vector, to become a second confidential vector, with respect to a second confidential information vector for which an authentication request was made; a third step of allowing the confidential information authentication server to calculate the product of the matrix and a first confidential vector and an inner product of the third vector; and a fourth step of allowing the confidential information authentication ...

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10-08-2017 дата публикации

무선통신망의 인덱스 코딩을 이용한 데이터 재전송 방법

Номер: KR0101766525B1
Принадлежит: 한국철도기술연구원

... 본 발명의 무선통신망의 인덱스 코딩을 이용한 데이터 재전송 방법은 무선통신망의 기지국이 다수의 단말로 데이터를 전송하는 유니캐스팅 또는 멀티캐스팅 전송 환경에서, 상기 기지국이 상기 단말에 다수의 패킷을 유니캐스팅 또는 멀티캐스팅 전송한 후, 패킷별로 ACK 신호 또는 NACK 신호 수신 여부에 따라 상기 단말에서 미수신된 패킷을 확인하고, 상기 단말의 미수신된 패킷을 재전송할 때, 미수신된 다수의 패킷을 인덱스 코딩하여 송신하고, 상기 단말은 상기 인덱스 코딩된 패킷을 디코딩하여 각 단말이 미수신한 패킷을 선택적으로 수신한다. 본 발명에 따르면, 인덱스 코딩으로 재전송할 패킷 수를 최소화하면서 모든 단말에 필요한 패킷 재전송이 가능하므로 효율적인 무선 자원 사용이 가능하며, 이로 인해 전송률이 개선될 수 있다.

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29-10-2015 дата публикации

CONSTIPATION PREVENTION AND ALLEVIATION AGENT USING CASSIA TORA L. AND PREPARATION METHOD THEREFOR

Номер: KR1020150121362A
Принадлежит:

The present invention relates to: a constipation prevention and alleviation agent using Cassia tora L., which prevents and alleviates constipation by a method for inoculating Cassia tora L. powder or Cassia tora L. extract with lactic acid bacteria and fermenting the same; and a preparation method therefor. The method comprises the steps of: (a) supplying Cassia tora L. powder and an antifoaming agent to distilled water so as to make a Cassia tora L. aqueous solution; (b) supplying the Cassia tora L. aqueous solution with a growth medium for lactic acid bacteria; (c) sterilizing the Cassia tora L. aqueous solution supplied with the growth medium for lactic acid bacteria; (d) inoculating the sterilized Cassia tora L. aqueous solution with lactic acid bacteria; (e) fermenting the Cassia tora L. aqueous solution inoculated with lactic acid bacteria; and (f) centrifuging the fermented solution to obtain a supernatant. COPYRIGHT KIPO 2016 ...

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27-01-2016 дата публикации

LIFT TYPE CHECK VALVE

Номер: KR101588961B1
Принадлежит: DAEYOUNG POWER PUMP CO., LTD.

The present invention relates to a lift type check valve with a stabilized linear movement of a disc and, more specifically, to a lift type check valve having a structure to prevent vibration of the disc, prevent metallic noise, and prevent rotation of the disc by stabilizing the linear movement of the disk. The present invention provides a means to support both sides of a disc part over the entire length of the linear movement of the disc. The lift type check valve comprises a disc part (10) including a disc (11), a stem (12), and a plurality of disc supports (13). COPYRIGHT KIPO 2016 ...

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07-11-2016 дата публикации

METHOD FOR RETRANSIMITTING DATA BY USING INDEX CODING IN WIRELESS COMMUNICATION NETWORK

Номер: KR1020160127870A
Принадлежит:

A method for retransmitting data by using index coding in a wireless communication network according to the present invention is that in a unicasting or multicasting transmission environment for a base station of the wireless communication network to transmit data to multiple terminals, the base station transmits multiple packets to the terminals via unicasting or multicasting, checks packets not received by the terminals depending on whether or not an ACK signal or an NACK signal has been received for each packet, and transmits the multiple unreceived packets after performing index coding when the packets not received by the terminals are retransmitted, and that the terminals decode the packets that have gone through the index coding and each of the terminals selectively receives the unreceived packets. According to the present invention, necessary packets can be retransmitted to all terminals while minimizing the number of the packets to be retransmitted via index coding, thereby enabling ...

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03-03-2017 дата публикации

PACKET-RETRANSMITTING METHOD USING HARQ AND INDEX-CODING

Номер: KR1020170023248A
Принадлежит:

The present invention provides a packet-retransmitting method using a hybrid automatic repeat request (HARQ) and index-coding in a multi-casting transmitting environment in which a wireless communication network base station transmits a packet to a plurality of terminals. According to the packet-retransmitting method, when the base station transmits a plurality of packets carried on a plurality of HARQ processes to the terminals and then receives an ACK signal or a NACK signal indicating whether the terminals have received the HARQ processes from the terminals, the base station checks packets which were not received at the terminals, and when the base station retransmits the packets which were not received at the terminals to the terminals, the base station retransmits at least two packets which have undergone index-coding corresponding to exclusive OR operation, wherein the at least two packets are selected with respect to at least one HARQ process which was not received with reference ...

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13-05-2016 дата публикации

LACTOBACILLUS KEFIRI STRAIN ENHANCING ACTIVITY IN TREATING OR PREVENTING CONSTIPATION BY FERMENTING CASSIA SEEDS

Номер: KR1020160053375A
Принадлежит:

A Lactobacillus kefiri MJ90 strain of the present invention can treat or prevent constipation by fermenting cassia seeds. Accordingly, lactic acid bacteria-fermented cassia seeds for treating or preventing constipation, prepared using the novel strain of the present invention, are safe and unlikely to cause side effects as an herb medicine. The lactic acid bacteria-fermented cassia seeds also exhibit an effect of increasing at least one of the number, water content, or weight of feces over that of the commercial product Dulcolax®-S containing sennocide, or bisacodyl and docusate sodium, which are irritant constipation treatment agents banned from using in functional health food due to the problem of side effects. Therefore, the present invention can be used in pharmaceutical compositions or functional food products used for treating or preventing constipation. COPYRIGHT KIPO 2016 ...

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27-10-2016 дата публикации

MISSION CRITICAL PUSH-TO-TALK CONTROL METHOD FOR PACKET DATA LOSS IN MOBILE COMMUNICATION SYSTEM

Номер: KR101669407B1
Принадлежит: KRRI

The present invention relates to an MCPPT control method for packet data loss in a mobile communication system controlled to be divided into an on-network and an off-network. The MCPPT control method includes: wirelessly connecting a first mobile terminal to a third mobile terminal (21, 22, 23) to a mobile communication network on the on-network; connecting a mobile terminal (12) to the receiving terminals (21, 22, 23) on the off-network; and transmitting a floor request to the terminal. Therefore, the system can perform normal operation even if the packets are lost in the wireless communication system. COPYRIGHT KIPO 2016 (23) Mobile terminal 3 (7) Recognizing right to speak collection (22) Mobile terminal 2 (21) Mobile terminal 1 (11) MCPTT server ...

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20-12-2016 дата публикации

SYSTEM AND METHOD FOR RE-TRANSMITTING DATA USING INDEX CODING AND STATISTICAL CHARACTERISTICS

Номер: KR1020160145256A
Принадлежит:

In a method for re-transmitting data using index coding and statistical characteristics according to the present invention which includes the steps of: transmitting a packet from a transmitter to at least two or more receivers in a wireless communication network; and re-transmitting a packet which is not received in each receiver, the transmitter receives a reception confirmation response signal with regard to the packet transmitted to the receiver and re-transmits the packet by differently performing the index coding according to the reception pattern of the reception confirmation response signals. According to the present invention, the re-transmission number of the packet which is not received and the use number of a channel on communication are efficiently reduced and a limited wireless resource is efficiently used. COPYRIGHT KIPO 2016 (AA) Start (BB) End (S10) Transmitting a packet from a transmitter to a receiver as much as a window range (W) (S12) Transmitting an ACK or NACK signal ...

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21-06-2017 дата публикации

METHOD FOR PREPARING CHEONGGUKJANG HAVING INCREASED POLYGLUTAMIC ACID CONTENT

Номер: KR1020170069699A
Принадлежит:

The present invention relates to a method for preparing cheoggukjang (fast-fermented bean paste) having increased polyglutamic acid content. The method comprises the following steps: (A) washing and steaming soybeans; and (B) inoculating Bacillus subtilis strains isolated from rice straw into the steamed soybeans and fermenting the same. Accordingly, high molecular weight polyglutamic acid having the molecular weight of 200 kDa or more is produced, and the content of generated polyglutamic acid is increased 1.5 to 2.5 times the content of existing polyglutamic acid. COPYRIGHT KIPO 2017 ...

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12-05-2016 дата публикации

COMPOSITION FOR IMPROVEMENT, TREATMENT OR PREVENTION OF CONSTIPATION COMPRISING CASSIA SEED LACTIC ACID BACTERIA FERMENTED PRODUCT AS EFFECTIVE INGREDIENT, AND METHOD FOR PREPARING SAME

Номер: WO2016072655A1
Принадлежит:

The cassia seed lactic acid bacteria fermented product of the present invention has been used for a long time and thus is highly safe; is a herb medicine having low possibility of causing side effects; and exhibits an effect of increasing any one or more of the number of feces, the water content of feces and the weight of feces equivalent to sennosides, which is an irritant constipation medicine of which use in health functional food is prohibited due to side effect problems, or Dulcolax-S, which has been commercialized and comprises, as effective ingredients, bisacodyl and docusate sodium. Thereby, the cassia seed lactic acid bacteria fermented product of the present invention can be utilized as a pharmaceutical composition for treatment or prevention of constipation, or as a health functional food for improvement or prevention of constipation. In addition, a Lactobacillus kefiri MJ90 strain of the present invention is advantageous in preparation of a cassia seed lactic acid bacteria fermented ...

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20-09-2016 дата публикации

무선통신망의 재난별 가중치 및 민감도를 이용한 자원 할당 방법

Номер: KR0101657463B1
Принадлежит: 한국철도기술연구원

... 본 발명은 무선통신망의 재난별 가중치 및 민감도를 이용한 자원 할당 방법에 관한 것으로서, 그 구성은 무선통신망에서 자원을 할당하는 방법에 있어서, (a) 적어도 하나의 재난 발생시 상기 무선통신망에 연결된 재난 안전 서버로부터 해당 재난에 대한 재난정보를 전송받는 단계; (b) 상기 재난정보에 따라 기설정된 설정정보에 기초하여 재난별로 가중치 또는 민감도를 산출하는 단계; (c) 상기 무선통신망을 통하여 재난별로 재난 안내 서비스를 단말에 제공할 수 있도록 재난별로 상기 산출된 가중치 또는 민감도에 근거하여 자원을 할당하는 단계를 포함한다. 본 발명에 따르면, 동시다발적으로 발생하는 재난별로 가중치를 적용하여 무선 자원을 할당함으로써, 재난 안내 서비스가 재난별로 원활하고 효율적으로 제공될 수 있는 효과가 있다.

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19-01-2016 дата публикации

HANDOVER METHOD OPTIMIZED FOR TRAIN MOVING PATTEN IN WIRELESS COMMUNICATION TRAIN CONTROL SYSTEM

Номер: KR1020160006329A
Принадлежит:

The present invention provides a handover method in a wireless communication train control system in which an on-board device and a wayside device are linked through a wireless communication network to control a train. The method according to the present invention comprises the following steps of: performing handover from a train located in a cell of a first base station to the first base station; receiving a measurement cell list including a cell identification (ID) of a second base station as an adjacent base station; measuring a signal intensity of a second base station cell; determining whether the train travels along a preset travel direction according to preset travel information; setting the first base station as a previous base station and the second base station as a next base station when the train is determined to travel along the preset travel direction; requesting a handover to the second base station, and performing handover with the second base station when the second base ...

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10-07-2018 дата публикации

METHOD AND APPARATUS OF DUPLICATING COMMUNICATION FOR ROBUST PTT SERVICE

Номер: KR1020180078366A
Принадлежит:

The present invention relates to a method and an apparatus of duplicating communication for a robust push to talk (PTT) service. According to the present invention, the method of duplicating communication for a robust PTT service comprises: a step in which a PTT server periodically transmits an INVITE message in an on-network situation accessible to a core network and a base station; and a step in which a PTT client performing group communication determines whether the current group communication is normally operated depending on whether the INVITE message is received during a predetermined transmission period based on a timer. According to the present invention, the present invention provides the method and the apparatus which apply a duplex concept so as to combine LTE based on-network and off-network PTT service technology with non-LTE based PTT service technology, thereby overcoming the limitation of the LTE based off-network PTT service. COPYRIGHT KIPO 2018 (AA) Start (BB) End (S10 ...

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15-02-2016 дата публикации

RESOURCE ALLOCATION METHOD USING WEIGHT AND SENSITIVITY FOR DISASTER OF WIRELESS COMMUNICATIONS NETWORK

Номер: KR1020160015432A
Принадлежит:

The present invention relates to a resource allocation method using a weight and sensitivity for disaster of a wireless communications network, comprising the following steps: (a) when at least one disaster occurs, receiving disaster information for corresponding disaster from a disaster safety server connected to the wireless communications network; (b) calculating a weight or sensitivity for disaster based on setting information predetermined in accordance with the disaster information; and (c) allocating a resource based on the weight or sensitivity calculated for disaster in order to provide a disaster guide service for disaster to a terminal through the wireless communications network. According to the present invention, a wireless resource is allocated by applying a weight for disaster occurring at the same time, so a disaster guide service can be smoothly and effectively provided for disaster. COPYRIGHT KIPO 2016 (AA) Start (BB) End (S100) Disaster occurs (S102) Receiving disaster ...

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20-06-2019 дата публикации

TERMINAL DEVICE FOR PERFORMING HOMOMORPHIC ENCRYPTION, SERVER DEVICE FOR PROCESSING CIPHER TEXT THEREOF, AND METHODS THEREFOR

Номер: WO2019117694A1
Принадлежит:

Disclosed is an encryption method. According to the present method, a homomorphic cipher text can be generated by using a public key after reflecting a scaling factor to a message. The generated cipher text is generated in the form in which a result value is restored when decrypted, wherein the result value is a value in which an error value is added to a value in which the scaling factor is reflected to the message. Accordingly, it is possible to effectively generate a homomorphic cipher text which can be operated in an encrypted state.

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08-11-2016 дата публикации

METHOD TO CONTROL FLOOR FOR PUSH-TO-TALK IN MOBILE COMMUNICATION ENVIRONMENT

Номер: KR101672746B1
Принадлежит: KRRI

A method to control a floor for a push-to-talk service in a mobile communication network of the present invention relates to a method to control a floor of a push-to-talk service in a wireless communication environment comprising a mobile station group including: a floor arbitration mobile station to provide a floor; a floor granted mobile station to be granted by the floor arbitration mobile station; and a floor reception mobile station to receive media data from the floor granted mobile station, wherein floor control is achieved communications between the mobile stations and the floor arbitration mobile station selects and grants a next floor granted mobile station when a predetermined floor duration of the floor granted mobile station lapses. According to the present invention, the method is able to control a floor by limiting a floor granted time in an off-network environment where mobile stations communicate with one another without server and has effects of providing a floor to each ...

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30-06-2015 дата публикации

Device for preventing an invasion of wild animals using an alarm signal

Номер: KR0101532552B1
Автор: 최현영, 백종현, 송용수
Принадлежит: 한국철도기술연구원

... 본 발명은 경고 음원을 이용한 야생동물 침입 방지 장치에 관한 것으로서, 보다 상세하게는 사람의 가청주파수 대역 밖에 존재하는 고주파의 경고 음원을 적재적소에 방사하여 야생동물의 도로 혹은 선로로의 진입을 차단하기 위한 경고 음원을 이용한 야생동물 침입 방지 장치에 관한 것이다. 본 발명은 음원을 발생시키는 음원 발생기; 현재 위치 정보를 생성하는 GPS 모듈; 열차의 이동경로 데이터를 저장하는 이동경로 DB; 및 상기 이동경로 DB에서 상기 현재 위치 정보에 해당하는 이동 경로를 확인하여 상기 음원 발생기의 음원 출력과 주파수를 가변하도록 제어하는 제어부;를 포함하여 구성된다.

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17-02-2016 дата публикации

NOVEL BACILLUS SUBTILLIS MJ80 STRAIN AND POLYGLUTAMIC ACID PRODUCTION METHOD USING SAME

Номер: KR1020160017797A
Принадлежит:

The present invention relates to isolation and identification of a soil-derived novel microorganism B.subtillis MJ80 strain producing polyglutamic acid from soil, and to a high efficiency method for producing and purifying polyglutamic acid using the same. COPYRIGHT KIPO 2016 ...

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19-08-2010 дата публикации

ENGINE DRIVER RECOGNITION SYSTEM AND METHOD USING BRAIN WAVES

Номер: WO2010093116A3
Принадлежит:

The present invention relates to an engine driver recognition system and method using brain waves. In particular, the engine driver recognition system comprises a brain wave detection means for detecting a brain wave signal from a driver of a train in operation; and a data processing means for collecting brain wave signals from the brain wave detection means and analyzing the consciousness state of the engine driver, wherein said system detects brain waves of the engine driver in the train, analyzes brain wave signals detected for analysis of the consciousness state of the engine driver and then displays analysis results. According to the present invention, monitoring brain waves of an engine driver allows a control center to efficiently decide whether the engine driver has a decreased conscious level in view of alertness, such as, for example, whether the engine driver has fallen asleep, is under anesthetic or feels drowsy. Therefore, when the engine driver is in such a low alert state ...

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14-04-2011 дата публикации

TRAIN NETWORK DATA COMMUNICATION SYSTEM USING POWER LINE AND METHOD THEREOF

Номер: KR2011043514A1
Принадлежит:

The present invention relates to a train network data communication system using a power line and a method thereof and comprises: a Train Control Management System (TCMS) control unit for transmitting a control command through a PLC adapter and a power line using an FSK communication method for low-speed PLC power line data communication and transmitting and receiving data through the power line communication; the PLC adapter which is connected to the TCMS control unit and transmits and receives the control command and the data through the power line; a sensor which is connected to the PLC adapter and provides train information input/output signals of train system information and HVAC and the like; and a TCMS interface unit which is connected through the power line to the PLC adapter connected to the TCMS control unit. The present invention can confirm the information and the abnormal state of the train control system by transmitting and receiving train system information obtained from ...

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25-05-2018 дата публикации

근사 복소수 연산을 지원하는 복수 개의 메시지의 동형 암호화 방법

Номер: KR0101861089B1
Автор: 천정희, 송용수
Принадлежит: 서울대학교산학협력단

... 본 발명에 의한 동형 암호화 방법은 컴퓨터에 의해서 수행되며, 복수 개의 메시지 벡터(m)를 기본 매장 함수(canonical embedding function)를 이용하여 다음 수학식을 만족하는 다항식 f로 변환하는 제1 단계와; 제1 단계에서 변환된 다항식을 동형 암호화하는 제2 단계를 포함한다. <수학식> 여기에서 는 복소수 내에서 n차 정수 기약 다항식( ; )의 서로 다른 해이다.

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10-06-2016 дата публикации

manufacturing method of preventing and ameliorating constipation thereof

Номер: KR0101628962B1

... 본 발명은 결명자분말 또는 결명자추출물에 유산균을 접종하고 발효시키는 방법으로 변비를 예방하고 개선할 수 있도록 한 결명자를 이용한 변비 예방 및 개선제와 그 제조방법에 관한 것으로, 그 구성은, ⒜ 증류수에 결명자분말, 소포제를 공급하여 결명자수용액을 만드는 단계; ⒝ 상기 결명자수용액에 유산균성장배지를 공급하는 단계; ⒞ 상기 유산균성장배지가 공급된 결명자수용액을 멸균처리하는 단계; ⒟ 상기 멸균처리된 결명자수용액에 유산균을 접종하는 단계; ⒠ 상기 유산균이 접종된 결명자수용액을 발효시키는 단계; ⒡ 상기 발효된 발효액을 원심분리하여 상등액을 수득하는 단계;로 이루어진다 ...

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09-03-2016 дата публикации

COMPOSITION FOR ALLEVIATING, PREVENTING, AND TREATING CONSTIPATION BY USING SENNA TORA FERMENTED WITH LACTIC ACID BACTERIA AS ACTIVE INGREDIENT

Номер: KR101600884B1

The present invention relates to a dietary supplement product for preventing and alleviating constipation by using Senna tora fermented with lactic acid bacteria, a pharmaceutical composition for the same, and a method for preparing the fermented Senna tora in order to increase the weight and moisture content of excrement. The Senna tora fermented with lactic acid bacteria is used for a long time to ensure safety and show little side effects as herbal medicine while showing weight and moisture increasing effects similar to that of Dulcolax-S which uses sennoside, docusate sodium, and bisacodyl as active ingredients and is prohibited from being used as a dietary supplement product due to side effects. Accordingly, the present invention can be used as the pharmaceutical composition for the prevention and treatment of constipation or the dietary supplement product for preventing and alleviating constipation. COPYRIGHT KIPO 2016 (AA) Comparative example 1 (BB) Comparative example 2 (CC) Example ...

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16-06-2017 дата публикации

이동통신 시스템에서 위치 갱신을 위한 방법 및 장치

Номер: KR0101748293B1
Принадлежит: 삼성전자주식회사

... 본 발명은 위치 갱신에 관한 것으로, 이동통신 단말기의 위치 갱신 방법에 있어서 위치 갱신을 수행하는 과정과 상기 위치 갱신이 거부된 경우, 거부 원인이 중대한 원인인지 검사하는 과정과 상기 거부 원인이 중대한 원인인 경우, 다른 위치 지시자를 이용하여 위치 갱신을 시도하는 과정을 포함하는 것을 특징으로 한다.

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17-08-2018 дата публикации

패킷 기반 그룹 통신 시스템의 서비스 품질 측정 장치 및 방법

Номер: KR0101878664B1
Принадлежит: 한국철도기술연구원

... 본 발명은 패킷 기반 그룹 통신 시스템의 서비스 품질 측정 장치 및 방법에 관한 것이다. 본 발명은 그룹 통신이 수행되는 그룹 통신 단말, 상기 그룹 통신 단말에 포함된 발신 단말과 수신 단말 간의 음성 품질을 분석하는 중간 장치 및 상기 그룹 통신 단말로 그룹 호 연결성 시험, Late entry 연결성 시험, 발언권 제어 시험을 포함하는 시험 명령을 전송하고, 상기 그룹 통신 단말로부터 전송받은 시험 결과 정보와 상기 중간 장치로부터 전송받은 음성 품질 분석 정보에 따라 상기 그룹 통신의 품질을 측정하여 현시하는 제어 장치를 포함한다. 본 발명에 따르면, 무선 이동통신망과 그룹 통신 시스템 등이 연동하는 복잡한 환경에서 그룹 통신 서비스의 성능이 요구사항을 만족하는지를 손쉽게 파악할 수 있고 나아가 패킷 손실 및 음성 신호 캡쳐/재생 손실 등 다양한 원인에 의해 발생하는 그룹통신 서비스의 품질 열화를 손쉽게 인지할 수 있다.

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20-01-2016 дата публикации

METHOD AND SYSTEM FOR TRANSMITTING DISASTER WARNING MESSAGE USING DISASTER WARNING APPLICATION

Номер: KR1020160006899A
Принадлежит:

A method for transmitting a disaster warning message using a disaster warning application comprises: (A) a step of installing a disaster warning application for generating and transmitting a disaster warning message which includes disaster information in a user terminal; (B) a step that the user terminal generates the disaster reporting message through the disaster warning application; (C) a step that the user terminal transmits the disaster reporting message to a local base station, which the user terminal is included in, through mobile communication network; (D) a step that the local base station transmits the disaster reporting message to a mobile communication service provider′s management server controlling the corresponding local base station; (E) a step that the mobile communication service provider′s management server transmits the disaster reporting message to a disaster warning content provider which is connected to a wired/wireless communication network; (F) a step that the disaster ...

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04-10-2016 дата публикации

무선통신 철도환경에 적용되는 기지국 장치의 배치구조

Номер: KR0101661492B1
Принадлежит: 한국철도기술연구원

... 본 발명은 역과 역 사이 셀을 배치하되 열차 속도 패턴에 맞추어 고속구간에 셀의 중첩구간이 넓어지도록 더 많은 수의 셀을 배치하여 서비스 받고 있는 셀의 범위를 벗어날 확률을 낮추고, 역의 주변에서 열차가 정차할 때 발생하는 핑퐁 (ping pong) 현상을 방지하기 위해 정차된 열차가 셀들의 중첩 구간에 배치되지 않도록 위치 오프셋을 (W) 두며, 철로의 반경 또는 RRH 사이의 거리에 따라 주파수재사용계수를 조절할 수 있는 무선통신 철도환경에 적용되는 기지국 장치의 배치구조를 제공한다.

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11-07-2017 дата публикации

인덱스 코딩과 통계적 특성을 이용한 데이터 재전송 시스템 및 방법

Номер: KR0101755224B1
Принадлежит: 한국철도기술연구원

... 본 발명의 인덱스 코딩과 통계적 특성을 이용한 데이터 재전송 방법은 무선통신망에서 송신기로부터 적어도 둘 이상의 수신기로 패킷을 전송하고, 각 수신기에서 미수신된 패킷을 재전송하는 방법에 있어서, 상기 송신기는 상기 수신기에 전송한 패킷에 대한 수신확인응답신호를 전송받고, 상기 수신기로부터 전송받은 상기 수신확인응답신호들의 수신 패턴에 따라 다르게 인덱스 코딩하여 패킷을 재전송하는 것을 특징으로 한다. 본 발명에 따르면, 미수신된 패킷의 재전송 횟수 및 통신상의 채널 사용 횟수를 효과적으로 줄일 수 있으며, 한정된 무선 자원을 효율적으로 사용할 수 있는 효과가 있다.

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14-02-2018 дата публикации

암호문의 크기가 감소되는 동형 암호화 방법

Номер: KR0101829267B1
Автор: 천정희, 송용수
Принадлежит: 서울대학교산학협력단

... 본 발명은 컴퓨터가 수행하는 동형 암호화 알고리즘을 이용한 암호화 및 복호화 방법에 관한 것으로서 대칭키를 생성하는 제1 단계와; 상기 대칭키를 이용하여 데이터에 대해서 동형 암호화를 수행하는 제2 단계와; 상기 제2 단계의 결과물인 암호화 데이터를 암호화 데이터에 대한 연산이 위임된 서버에 전송하는 제3 단계와; 상기 서버가 수행한 연산 결과를 수신하는 제4 단계와; 상기 제4 단계에서 수신한 연산 결과에 대해서 상기 대칭키로 복호화하는 제5 단계를 포함한다.

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07-12-2016 дата публикации

METHOD AND DEVICE TO RESERVE HANDICRAFT CLASS

Номер: KR1020160139167A
Автор: SONG, YONG SU
Принадлежит:

The present invention relates to a method and a device to reserve a handicraft class. According to the present invention, the method includes: a step of receiving non-confirmed time information (area with time able to be flexibly selected in a range), set by a teacher, a unit time in accordance with a teaching curriculum (minimum time to divide the non-confirmed time), and the number of teachable times from a user terminal or manager terminal connected through a network; a step of reserving and registering a time for a specific area selected by the user terminal; and a step of cancelling the previous reservation if the schedule needs to be changed, and then modifying the schedule by selecting another participable non-confirmed time area. According to the method and the device to reserve a handicraft class, the present invention is capable of enabling user-customized reservation and modification without additional contact or negotiation with a teacher. COPYRIGHT KIPO 2016 (S210) Receive ...

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19-11-2018 дата публикации

완전 동형 암호 방법에 의한 동적 데이터의 처리 방법

Номер: KR0101919940B1
Принадлежит: 서울대학교산학협력단

... 본 발명은, 동형 암호화 모듈과 병렬로 제공되는 복수 개의 연산 모듈을 포함하는 동적 데이터 처리 장치가 동적 데이터를 처리하는 방법에 관한 것으로서, 동형 암호화 모듈이 동적 데이터를 생성하는 객체로부터 수신한 동적 데이터를 완전 동형 암호화하는 제1 단계와; 연산 모듈이 암호화된 동적 데이터를 연산하여 암호화된 상태 변수를 업데이트하는 제2 단계와; 부트스트래핑하는 연산 모듈이 부트스트래핑 완료 후에, 다음 수학식에 의해서 상태 변수를 업데이트하는 제3 단계를 포함한다. [수학식] ...

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26-12-2016 дата публикации

결명자를 발효시켜 변비 개선 또는 예방 활성을 증진시키는 락토바실러스 케피리 균주

Номер: KR0101689192B1
Принадлежит: 해남자연농업영농조합법인

... 본 발명의 락토바실러스 케피리(Lactobacilluskefiri) MJ90 균주는, 결명자를 발효시켜 변비 개선 또는 예방 활성을 증진시킬 수 있다. 따라서 본 발명의 상기 신균주를 이용하여 제조된 변비 개선 또는 예방 활성을 갖는 결명자 유산균 발효물은, 오랫동안 사용되어 안전성이 높고 생약으로서 부작용 발생가능성이 적으면서도, 부작용 문제로 건강기능식품에 사용이 금지된 자극성 변비 치료제인 센노사이드, 또는 비사코딜 및 도큐세이트나트륨을 유효성분으로 하는 상용화된 둘코락스에스와 동등한 변의 개수, 변의 수분 함량 및 변의 중량 중에서 어느 하나 이상을 증가시키는 효과를 나타내므로, 변비 치료 또는 예방용 약학 조성물 또는 변비 개선 또는 예방용 건강기능식품으로 활용될 수 있다.

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22-10-2015 дата публикации

CONSTIPATION PREVENTION AND ALLEVIATION AGENT USING CASSIA TORA L. AND PREPARATION METHOD THEREFOR

Номер: WO2015160043A1
Принадлежит:

The present invention relates to: a constipation prevention and alleviation agent using Cassia tora L., which prevents and alleviates constipation by a method for inoculating Cassia tora L. powder or Cassia tora L. extractwithlactic acid bacteria and fermenting the same; and a preparation method therefor. The method comprises the steps of: (a) supplying Cassia tora L. powder and an antifoaming agent to distilled water so as to make a Cassia tora L. aqueous solution; (b) supplying the Cassia tora L. aqueous solution with a growth medium for lactic acid bacteria; (c) sterilizing the Cassia tora L. aqueous solution supplied with the growth medium for lactic acid bacteria; (d) inoculating the sterilized Cassia tora L. aqueous solution with lactic acid bacteria; (e) fermenting the Cassia tora L. aqueous solution inoculated with lactic acid bacteria; and (f) centrifuging the fermented solution to obtain a supernatant.

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30-01-2020 дата публикации

APPARATUS AND METHOD FOR PERFORMING APPROXIMATION CALCULATION ON CRYPTOGRAMS

Номер: WO2020022598A1
Принадлежит:

A calculating apparatus and method for processing homomorphic cryptograms are disclosed. The method includes the steps of: calculating an approximate polynomial corresponding to a calculation function to be applied to homomorphic cryptograms; and approximating the homomorphic cryptograms by using the approximate polynomial. Accordingly, the present invention can perform more efficient processing of cryptograms.

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04-05-2016 дата публикации

COMMUNICATION TERMINAL BASED ON POSITION DETECTING AND METHOD FOR USING COMMUNICATION ALGORITHM OF COMMUNICATION TERMINAL

Номер: KR101617724B1
Принадлежит: KRRI

A communication terminal for using detected location information of a train to be used for cell search, cell measurement, handover, or a signal reception algorithm includes: a location sensor receiver performing a function of allowing the communication terminal to receive location information from at least one location sensor provided in a train or on tracks or a location information receiving module inside the communication terminal; a location information converting object converting location information to a cell ID mapped using a preset mapping table based on the location information received by the location sensor receiver; and an interface performing an interface support function so as to perform cell search, cell measurement, handover, or a signal reception algorithm using the cell ID information converted by the location information converting object. According to the prevent invention, location information of a train or an on board terminal can be applied to a communication algorithm ...

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14-03-2017 дата публикации

METHOD OF MONITORING AND RECONFIGURING COMMUNICATION CONNECTIVITY BETWEEN DEVICES FOR HIGH RELIABILITY AND HIGH QUALITY IN WIRELESS COMMUNICATION NETWORK

Номер: KR101711908B1
Принадлежит: KRRI

In a method of reconfiguring communication connectivity for guaranteeing communication connectivity between terminals or between a terminal and an application server for providing application service to the terminal in a wireless communication network, a method of reconfiguring communication connectivity between devices for high reliability and high quality in a wireless communication network according to the present invention reconfigures the communication connectivity through a process including: transmitting a watchdog packet for periodically checking existence between the terminal and the application server or between terminals so as to check whether the communication connectivity between the terminal and the application server or between the terminals is guaranteed; analyzing the watchdog packet by the terminal or the application server, which receives the watchdog packet; and reconfiguring the communication connectivity based on a command from the terminal or the application server ...

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05-04-2012 дата публикации

SYSTEM FOR PROVIDING TRAFFIC INFORMATION USING AUGMENTED REALITY

Номер: KR2012043934A1
Принадлежит:

The present invention relates to a system for providing traffic information using augmented reality, and comprises: an AR server for providing a virtual image which is obtained by processing transfer information on transfer locations at stops for transportation means and information according to the transportation means, using characters and graphics; and a personal portable communication device which displays the virtual image received from the AR server while overlapping the virtual image on a real-captured image of a transfer location obtained through a camera. According to the present invention, a virtual image which displays transfer information on transfer locations such as bus platforms, subway stations, airports and the like and information according to transportation means and the like is displayed while being overlapped on an actual real-captured image, thereby making it possible for a user to easily and simply obtain information on the detailed traffic flow at transfer locations ...

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28-12-2017 дата публикации

METHOD FOR GENERATING HOMOMORPHIC CRYPTOGRAM SUPPORTING SIGNIFICANT FIGURE CALCULATION AND METHOD FOR CALCULATING SIGNIFICANT FIGURE FOR HOMOMORPHIC CRYPTOGRAM GENERATED THEREBY

Номер: KR1020170142419A
Принадлежит:

The present invention provides a method for performing homomorphic encryption of digitized data and performing a significant figure calculation with respect to the homomorphic cryptogram. According to the present invention, the method for generating homomorphic cryptogram in which a computer performs comprises: a first step of generating binary data of the cryptogram encrypted with an encryption key s with respect to a predetermined message m; a second step of locating error data of the cryptogram generated from the first step on the least significant bit (LSB) side; and a third step of locating a message part of the cryptogram on the next LSB side adjacent to the error data. COPYRIGHT KIPO 2018 ...

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19-08-2010 дата публикации

ENGINE DRIVER RECOGNITION SYSTEM AND METHOD USING BRAIN WAVES

Номер: KR2010093116A2
Принадлежит:

The present invention relates to an engine driver recognition system and method using brain waves. In particular, the engine driver recognition system comprises a brain wave detection means for detecting a brain wave signal from a driver of a train in operation; and a data processing means for collecting brain wave signals from the brain wave detection means and analyzing the consciousness state of the engine driver, wherein said system detects brain waves of the engine driver in the train, analyzes brain wave signals detected for analysis of the consciousness state of the engine driver and then displays analysis results. According to the present invention, monitoring brain waves of an engine driver allows a control center to efficiently decide whether the engine driver has a decreased conscious level in view of alertness, such as, for example, whether the engine driver has fallen asleep, is under anesthetic or feels drowsy. Therefore, when the engine driver is in such a low alert state ...

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12-04-2017 дата публикации

PRODUCT PURCHASE INFORMATION SHARING SYSTEM BASED ON URL IMAGE EXTRACTION AND SERVICE METHOD THEREOF

Номер: KR1020170040046A
Автор: YU, SEON AH, SONG, YONG SU
Принадлежит:

According to the present invention, the product purchase information sharing system based on URL image extraction and a service method thereof are able to allow users to easily get the latest trends (fashion, interior, etc.) and purchase information thereof and to create profits through their information. In addition, the present invention can allow users to naturally compare prices when purchase information data are accumulated, and bring a greater number of choices to users through exposure to similar products. In addition, the present invention can also be used as a strong marketing tool for sellers. The product purchase information sharing system of the present invention comprises: a first terminal ; a second terminal; an information provision system server; and a seller online shopping mall. COPYRIGHT KIPO 2017 (110) Registration unit (120) Image extraction unit (130) Renewal unit (140) Information provision unit (200) Terminal 1 (300) Plurality of terminals 2 (400) Online shopping ...

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07-02-2018 дата публикации

HOMOMORPHIC ENCRYPTION METHOD OF PLURALITY OF MESSAGES SUPPORTING APPROXIMATE COMPLEX NUMBER OPERATION

Номер: KR1020180013064A
Принадлежит:

A homomorphic encryption method according to the present invention is performed by a computer, and comprises: a first step of using a canonical embedding function to convert a plurality of message vectors (m) into polynomial expression (f) for satisfying mathematic formula, f(ζ_i) = m_i; and a second step of performing homomorphic encryption on the polynomial expression converted in the first step. In mathematic formula, ζ_i is a different solution of n^th integer irreducible polynomial, Φ(x); Φ(x) ∈ Ζ[x], in a complex number. The purpose of the present invention is to provide a homomorphic encryption method which uses an approximate complex number operation to enable an arrangement of a plurality of messages. COPYRIGHT KIPO 2018 (100) Input a plurality of message vectors (120) Use a canonical embedding function to convert message vectors into a polynomial expression (140) Homomorphic encrypts the polynomial expression ...

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23-02-2017 дата публикации

PUSH-TO-TALK CONTROL METHOD USING MULTIPLEXING OF CALL ORIGINATOR AND FLOOR ARBITRATOR

Номер: KR1020170020564A
Принадлежит:

The present invention relates to a Push-to-Talk (PTT) control method using multiplexing of a call originator and a floor arbitrator. The PTT control method comprises the steps of: defining a call originating terminal and one or more participation terminals participating in PTT communication by using two or more terminals for the PTT communication, and transmitting, by the initial call originating terminal, a group call notification signal, including corresponding values of preset periods, to the participation terminals at the periods; detecting, by the participation terminals, abnormality of the initial call originating terminal based on whether the group call notification signal has been received during each of the periods; and replacing the initial call originating terminal with at least one terminal belonging to a list of a call originating candidate terminal group, provided for substitution of the call originating terminal and shared by the terminals, when an abnormality with the initial ...

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24-03-2016 дата публикации

REAL TIME GRAPHIC USER INTERFACE PRODUCTION TOOL

Номер: KR1020160032502A
Автор: SONG, YONG SOO
Принадлежит:

The present invention relates to a method for producing a real time graphic user interface in a game of game content. According to the present invention, the real time graphic user interface tool can operate in an actual game environment. Therefore, a graphic designer can design a desired interface without programmer′s help, and a planner can directly control the operation of the interface. Accordingly, time for developing the game can be reduced and maintenance of the game can be performed in an easy manner. According to the present invention, data can be automatically stored after interface work. Afterwards, if a desired UI is selected, the user interface in a previously produced state can be modified. COPYRIGHT KIPO 2016 (AA) Test button ...

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13-03-2018 дата публикации

BIOMETRIC INFORMATION AUTHENTICATION METHOD FOR PROTECTING BIOMETRIC INFORMATION

Номер: KR101838008B1

A secret information authentication method according to the present invention includes a first step of allowing a secret information authentication server to receive and store a product of a secret information vector and a matrix from a secret information registration terminal; a second step of allowing the secret information authentication server to receive a vector generated from a secret information authentication request terminal so as to satisfy the relation of QTZ=Y with regard to a secret information vector requested for authentication; a third step of allowing the secret information authentication server to calculate an inner product of QX and Z; and a forth step of allowing the secret information authentication server to calculate 1/2(n-the inner product), determine that secret information is successfully authenticated when the value is less than or equal to a predetermined value, or otherwise determine that secret information is failed. It is possible to prevent the leakage of ...

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