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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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Форма поиска

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 25. Отображено 25.
07-10-2015 дата публикации

METHOD FOR PREPARING GLASS FIBER AND EPOXY COMPOSITE WITH ENHANCED THERMAL RESISTANCE BY USING SILICON DIOXIDE NANOPARTICLES

Номер: KR1020150112623A
Автор: KIM, JEONG CHEOL, KANG, SUK WON, SEONG, IL, JIN, DAL SAEM, PARK, JOUNG MAN, KWON, DONG JUN, WANG, ZUO JIA, CHOI, JIN YOUNG, SHIN, PYEONG SU
Принадлежит:

The present invention relates to a method for preparing a glass fiber and epoxy composite with enhanced thermal resistance by using SiO_2 nanoparticles, which includes the SiO_2 nanoparticles in an epoxy resin to increase thermal resistance, and thus enhances overall thermal resistance properties of composite materials through an improvement of base materials composed of a fiber and an epoxy which is called prepreg, thereby being highly utilized for exterior parts of heavy machinery which requires heat insulation, thermal resistance, and high strength. According to a desirable embodiment, the present invention comprises the following steps: (a) mixing 0.5-2 wt% of SiO_2 nanoparticles with respect to 100 wt% of an epoxy resin to form a mixed epoxy resin; (b) impregnating the mixed epoxy resin, mixed in step (a), into a glass fiber to form prepreg; and (c) layering the prepreg, prepared in step (b), fivefold or more and curing the same at a temperature of 180-220 deg. C for 1.5-2.5 hours ...

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Номер записи: 1
29-08-2017 дата публикации

APPARATUS AND METHOD TO ALLOCATE SUBCARRIER POWER IN UNDERWATER COMMUNICATION SYSTEM HAVING MULTIPLE TRANSDUCERS

Номер: KR1020170098073A
Автор: SUNG, IL, KIM, HYUN SOO, JUNG, JAE HACK
Принадлежит:

The present invention relates to a subcarrier power allocation method in an underwater communication system having multiple transducers. The present invention comprises: a channel gain calculation process which calculates a channel gain about a plurality of subcarriers based on underwater channel information; a first power allocation process which allocates first power which is inversely proportional to the channel gain about the plurality of subcarriers; a second power allocation process which allocates second power based on a channel transfer function corresponding to the plurality of subcarriers and the multiple transducers; and a communication signal transmission process which transmits a communication signal, in which the size and phase of data symbol are adjusted, based on the first power and the second power, wherein the entire symbols received at a reception end can evenly obtain a signal-to-noise ratio. COPYRIGHT KIPO 2017 (110) Control unit (123) IFFT unit (124) CP insertion unit ...

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Номер записи: 2
28-04-2016 дата публикации

APPARATUS AND METHOD FOR ESTIMATING LOCATION OF LONG-RANGE ACOUSTIC TARGET

Номер: KR0101616361B1
Автор: 신동훈, 김성원, 성일, 김성일
Принадлежит: 국방과학연구소

... 본 발명은 장거리 음향표적 위치추정 장치 및 방법에 관한 것이다. 본 발명의 일 실시 예에 따른 장거리 음향표적 위치추정 장치는, 저주파 순간 소음을 감지하여 신호의 도달 시간 및 방위를 추정하는 복수의 감지부; 상기 도달 시간 및 방위 추정의 결과를 이용하여 장거리 저주파 음향표적의 위치를 추정하는 지휘부; 및 상기 복수의 감지부와 지휘부 사이의 통신을 담당하는 통신부;를 포함한다.

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Номер записи: 3
19-01-2017 дата публикации

PILLOW HAVING SPEAKER

Номер: KR101698157B1
Автор: SUNG, IL
Принадлежит: SUNG, IL

The present invention includes: a pillow placed on a floor, having a plurality of perforated through-holes, and allowing a sleeper to take a sleeping posture by supporting the sleeper′s head; a speaker embedded in a lower surface inside the pillow and generating a sound or a sound effect; and a sound guide unit provided with a guide pipe embedded in the perforated holes of the pillow to guide a direction where the sound or the sound effect generated by the speaker is sent and for the sound or the sound effect to be sent to the sleeper′s ear with one side thereof placed at a position close to the speaker and the other side thereof placed at a position close to a surface of the pillow. According to the present invention, the sound effect such as a rain sound, a wave sound, and a wind sound or the sound source such as classical music, pop music, and a foreign language sound generated by the speaker embedded in the pillow is effectively sent to the sleeper during sleeping irrespective of the ...

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Номер записи: 4
10-12-2018 дата публикации

HYBRID PREPREG EXCELLENT IN INTERFACIAL ADHESION AND ABRASION RESISTANCE AND MANUFACTURING METHOD THEREOF

Номер: KR1020180130693A
Автор: KIM, JEONG CHEOL, KANG, SUK WON, JIN, DAL SAEM, SEONG, IL, PARK, SEOK JU, JEON, BYEONG CHEOL
Принадлежит:

The present invention relates to a hybrid prepreg excellent in interfacial adhesion. The present invention comprises a thermoplastic resin (A), a thermosetting resin (B), and a carbon fiber (C). The carbon fiber (C) is one type selected from a group consisting of a long fiber, a tow, a fabric, and a short fiber chopped to the length of less than 10 mm. The thermoplastic resin (A) and the thermosetting resin (B) are chemically bonded to each other at the temperature of 120 to 180°C and a pressure of 0.1 to 4 MPa. The thermosetting resin and the thermoplastic resin included in the prepreg of the present invention have excellent interfacial adhesion because of harmonious combination at high temperature. When molding is performed by using the prepreg of the present invention, a molded product having excellent adhesive strength can be obtained. Further, the thermoplastic resin included in the prepreg of the present invention is excellent in abrasion resistance, and a composite material using ...

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Номер записи: 5
03-04-2017 дата публикации

냉각 CT 시스템

Номер: KR0101722689B1
Автор: 윤 알렉산더, 김성기, 원창연, 나정민, 성일, 조태식
Принадлежит: 삼성전자주식회사

... 냉각 CT 시스템 및 냉각 CT 시스템의 냉각 방법이 개시된다. 개시된 냉각 CT 시스템은 갠트리부와 상기 갠트리부의 개구 영역으로 대상체를 이동시킬 수 있는 테이블을 포함하며, 상기 갠트리부는, 흡기구가 형성된 전면부와 배기구가 형성된 후면부를 포함하는 커버를 포함할 수 있다. 상기 후면부에는 배기용 팬이 형성될 수 있다. 상기 갠트리부의 전면부에는 흡기용 팬 및 배기용 팬이 형성되지 않을 수 있다. 상기 갠트리부 내의 로터에는 상기 흡기구로 흡입된 공기가 이동할 수 있는 홀이 형성될 수 있다.

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Номер записи: 6
08-05-2017 дата публикации

COMPUTERIZED TOMOGRAPHY APPARATUS

Номер: KR1020170047813A
Автор: YUNALEXANDER, RIFUTOSHIHIRO, SEONG, IL
Принадлежит:

Provided is a computerized tomography apparatus including a gantry to rotate along an annular rail. The computerized tomography apparatus according to an embodiment of the present invention includes an X-ray source for emitting an X-ray, an X-ray detector for detecting the X-ray, the gantry on which the X-ray source and the X-ray detector are mounted, and the rail with a shape corresponding to an outer surface of the gantry, wherein the gantry rotates along an inner surface of the rail. Accordingly, the present invention can reduce the volume and weight of the computed tomography apparatus by improving the rotation structure of the gantry. COPYRIGHT KIPO 2017 ...

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Номер записи: 7
22-08-2016 дата публикации

COOLING CT SYSTEM

Номер: KR1020160099383A
Автор: YUN ALEXANDER, KIM, SUNG KI, NA, JEONG MIN, SEONG, IL, WON, CHANG YEON, CHO, TAE SIK
Принадлежит:

Disclosed is a cooling CT system. The cooling CT system comprises: a gantry unit and a table which moves an object to an opening area of the gantry unit. The gantry unit includes a variety of part boxes, and blade elements can be formed in at least one area of the part boxes. The cooling CT system includes a cooling method which includes a plurality of cooling methods including a stand-by mode and an operating mode. As such, the CT system is able to control a flow of air inside the gantry unit. COPYRIGHT KIPO 2016 ...

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Номер записи: 8
08-02-2018 дата публикации

PILLOW HAVING SPEAKER

Номер: WO2018026215A1
Автор: SUNG, Il
Принадлежит:

The present invention comprises: a pillow seated on a floor so as to support a sleeper's head such that the sleeper can assume a sleeping posture, a plurality of perforations being formed through the pillow; a speaker provided to be buried in the lower surface of the interior of the pillow so as to generate sound sources or sounds; and a sound guide portion, one side of which is arranged and positioned to be adjacent to the speaker, and the other side of which is arranged and positioned to be adjacent to the surface of the pillow, thereby guiding the direction of propagation of the sound sources or sounds generated by the speaker such that the same are delivered toward the sleeper's ears, the sound guide portion having guide tubes installed to be buried in the perforations formed in the pillow. During sleep, sounds such as a rain sound, a wave sound, and a wind sound, or sound sources such as classical music, popular music, and foreign languages are generated by the speaker embedded in ...

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Номер записи: 9
26-10-2017 дата публикации

프레스 공법을 통한 차체부품 고속경화 프리프레그용 수지 조성물 및 이를 포함하는 프리프레그 제품

Номер: KR0101790112B1
Автор: 김정철, 강석원, 진달샘, 성일, 박석주
Принадлежит: 주식회사 한국카본

... 본 발명은 일방향으로 배열한 탄소섬유에 열경화성 수지 조성물과 열가소성 첨가제를 함침시켜 이루어지는 프리프레그로서 수지 구성 성분, 수지의 당량, 점도, 겔타임, 유리전이온도의 차별화로 기존 특허와 다르게 설계하여 낮은 온도에서 더 빠른 경화 시스템으로 개선한 프레스 공법을 통한 차체부품 고속경화 프리프레그용 수지 조성물 및 이를 포함하는 프리프레그 제품에 관한 것이다.

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Номер записи: 10
12-10-2017 дата публикации

PREPREG OF HIGH SPEED CURING SYSTEM AND FIBER REINFORCED COMPOSITE FOR COMPRESSION MOLDING

Номер: KR1020170111759A
Автор: KIM, JEONG CHEOL, KANG, SUK WON, JIN, DAL SAEM, SEONG, IL, PARK, SEOK JU
Принадлежит:

The present invention relates to a prepreg prepared by immersing a thermosetting resin composition in a carbon fiber arranged in one direction. Provided is the prepreg configured to satisfy following conditions. The tensile strength of the carbon fiber is more than or equal to 3,000 MPa and less than or equal to 4,500 MPa. The room temperature viscosity of the thermosetting resin composition is more than or equal to 400,000 Poise and less than or equal to 600,000 Poise at 25°C. The minimum viscosity is more than or equal to 10 poise and less than or equal to 25 poise at 107°C. According to the present invention, a prepreg of a high speed curing system and a fiber reinforced composite for compression molding can product molded products with high quality when molding a mold press having a complex structure and shows rapid production. COPYRIGHT KIPO 2017 ...

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Номер записи: 11
10-05-2017 дата публикации

냉각 CT 시스템

Номер: KR0101733798B1
Автор: 윤 알렉산더, 김성기, 성일
Принадлежит: 삼성전자주식회사

... 냉각 CT 시스템이 개시된다. 개시된 냉각 CT 시스템은 갠트리부의 회전부 및/또는 회전부 내에 장착된 어셈블리 요소의 표면에 형성된 흡기구 및 배기구를 각각 포함할 수 있다. 흡기구는 회전부 또는 어셈블리 요소의 표면으로부터 외부로 돌출되도록 형성될 수 있으며, 배기구는 회전부 또는 어셈블리 요소의 내부로 돌출되도록 형성될 수 있다.

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Номер записи: 12
26-10-2017 дата публикации

고속경화 시스템의 프리프레그 및 압축 성형용 섬유 강화 복합재료

Номер: KR0101790110B1
Автор: 김정철, 강석원, 진달샘, 성일, 박석주
Принадлежит: 주식회사 한국카본

... 본 발명은 한방향으로 배열한 탄소섬유에 열경화성 수지 조성물을 함침시켜 이루어지는 프리프레그로서, 상기 탄소섬유의 인장강도가 3,000MPa 이상 내지 4,500MPa 이하, 열경화성 수지 조성물의 상온점도가 25℃에서 400,000Poise 이상 600,000Poise 이하이며, 최저점도가 107℃에서 10poise 이상 25poise 이하의 조건을 만족시키는 것을 특징으로 하는 프리프레그를 제공한다. 본 발명에 따른 고속경화 시스템의 프리프레그 및 압축 성형용 섬유 강화 복합재료는 복잡한 구조를 가진 금형 프레스 성형 시에도 우수한 품질의 성형 제품과 빠른 생산성이 나타나게 하는 효과가 있다.

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Номер записи: 13
14-12-2016 дата публикации

냉각 CT 시스템

Номер: KR0101686636B1
Автор: 윤 알렉산더, 김성기, 나정민, 성일, 원창연, 조태식
Принадлежит: 삼성전자주식회사

... 냉각 CT 시스템이 개시된다. 개시된 냉각 CT 시스템은 갠트리부와 상기 갠트리부의 개구 영역으로 대상체를 이동시킬 수 있는 테이블을 포함하며, 상기 갠트리부는 다양한 부속품 박스를 포함할 수 있으며, 상기 부속품 박스의 적어도 일 영역에는 블레이드 요소가 형성될 수 있다. 냉각 CT 시스템은 대기 모드 및 작동 모드의 다단 냉각 방식을 포함하는 냉각 방식을 포함한다.

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Номер записи: 14
06-11-2017 дата публикации

다중 트랜스듀서를 갖는 수중통신 시스템에서의 부반송파 전력할당 장치 및 그 할당 방법

Номер: KR0101794028B1
Автор: 성일, 김현수, 정재학
Принадлежит: 국방과학연구소

... 본 발명에 따른 다중 트랜스듀서를 갖는 수중통신 시스템에서의 부반송파 전력할당 방법에 있어서, 수중 채널 정보에 기반하여 복수의 부반송파에 대한 채널 이득을 연산하는 채널 이득 연산 과정; 상기 복수의 부반송파에 대하여 상기 채널 이득에 반비례하는 제1전력을 할당하는 제1전력 할당 과정; 상기 다중 트랜스듀서 및 상기 복수의 부반송파에 상응하는 채널 전달 함수에 기반하여 제2전력을 할당하는 제2전력 할당 과정; 및 상기 제1전력 및 상기 제2전력에 기반하여 데이터 심볼의 크기 및 위상이 조정된 통신 신호를 송신하는 통신 신호 송신 과정을 포함하고, 수신단에서 수신된 전체 심볼들이 고르게 신호 대 잡음비를 얻을 수 있다.

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Номер записи: 15
02-02-2017 дата публикации

X-RAY DETECTOR AND X-RAY PHOTOGRAPHING DEVICE

Номер: KR1020170011340A
Автор: PARK, HOON, KIM, JUNG MIN, SEONG, IL, LEE, WOO SUNG
Принадлежит:

Provided is an X-ray detector which comprises: a side frame; a cover coupled to an external side of the side frame; a first antenna radiator coupled to the side frame to supply power; and a second antenna radiator separated from the first antenna radiator and prepared in the cover wherein the second antenna radiator resonates with the first antenna radiator. COPYRIGHT KIPO 2017 ...

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Номер записи: 16
10-12-2018 дата публикации

THIN WIDTH PREPREG WITH EXCELLENT ABRASION RESISTANCE, PREPREG FABRIC USING SAME, AND MANUFACTURING METHOD THEREOF

Номер: KR1020180130692A
Автор: KIM, JEONG CHEOL, KANG, SUK WON, JIN, DAL SAEM, SEONG, IL, PARK, SEOK JU, JEON, BYEONG CHEOL
Принадлежит:

The present invention relates to a manufacturing method, a thin width prepreg produced by the manufacturing method, and prepreg fabric prepared by using the same. The manufacturing method comprises: a step of supplying carbon fiber, release paper coated with a thermosetting resin composition, and a thermoplastic resin film to a hot plate; a step of obtaining a hybrid carbon fiber prepreg in which the thermosetting resin and the thermoplastic resin are melted and impregnated into the carbon fiber; and a step of cutting the hybrid carbon fiber prepreg to a predetermined width. According to the present invention, the thin width prepreg and the prepreg fabric are excellent in abrasion resistance due to the characteristics of the thermoplastic resin, have a small degree of appearance damage due to scratches, do not experience tape trimming, and have the effect of facilitating the production of the thin width prepreg and prepreg fabric. COPYRIGHT KIPO 2019 ...

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Номер записи: 17
12-10-2017 дата публикации

RESIN COMPOSITION FOR RAPIDLY CURABLE PREPREG FOR AUTOMOBILE COMPONENTS VIA PRESS METHOD, AND PREPREG PRODUCT INCLUDING SAME

Номер: KR1020170111714A
Автор: KIM, JEONG CHEOL, KANG, SUK WON, JIN, DAL SAEM, SEONG, IL, PARK, SEOK JU
Принадлежит:

The present invention relates to a resin composition for rapidly curable prepreg for automobile components via a press method, and a prepreg product including the same. As prepreg which is obtained by impregnating a thermoplastic additive and a thermocurable resin composition into unidirectionally arranged carbon fibers, the resin composition of the present invention shows improvement by involving a faster curing system at a low temperature by making difference in the glass transition temperature, a gelation time, viscosity, equivalent weight of the resin, and constituents of the resin, compared to prior arts. COPYRIGHT KIPO 2017 (A1,A2,A3,A4,A5,A6) Upper plate (B1,B2,B3,B4,B5,B6) Lower plate (CC) Insert prepreg (DD) Receive a signal through a sensor by closing the upper and lower plates of a press (EE) Form an internal vacuum by driving a vacuum pump when the upper and lower plates of the press are closed (FF) Separate a product while supplying air when the upper and lower plates of the ...

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Номер записи: 18
22-08-2016 дата публикации

COOLING CT SYSTEM

Номер: KR1020160099384A
Автор: YUN ALEXANDER, KIM, SUNG KI, WON, CHANG YEON, NA, JEONG MIN, SEONG, IL, CHO, TAE SIK
Принадлежит:

A cooling CT system and a cooling method of the cooling CT system are disclosed. The cooling CT system comprises a gantry unit and a table for moving a target object to an opening region of the gantry unit. The gantry unit can comprise a cover including a front portion having an intake and a rear portion having an exhaust port. An exhaust fan can be formed in the rear portion. An intake fan and the exhaust fan can not be formed in the front portion of the gantry unit. A hole, through which air can move, can be formed in a rotor inside the gantry unit wherein the air is sucked through a suction port. COPYRIGHT KIPO 2016 ...

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Номер записи: 19
12-10-2017 дата публикации

PREPREG OF HIGH SPEED CURING SYSTEM AND FIBER REINFORCED COMPOSITES FOR COMPRESSION MOLDING

Номер: KR1020170111784A
Автор: KIM, JEONG CHEOL, KANG, SUK WON, JIN, DAL SAEM, SEONG, IL, PARK, SEOK JU
Принадлежит:

The present invention provides a prepreg obtained by impregnating carbon fibers arranged in one direction in a thermosetting resin composition, which satisfies conditions of the glass transition temperature when cured at 150°C for 5 minutes of Tg>=160°C (DMA Tan Delta) and Tg>=150°C (DSC). The prepreg of a high-speed curing system and fiber-reinforced composites for compression molding according to the present invention have an effect of exhibiting high-quality molded products and quick productivity even when molding a metal mold having a complicated structure. COPYRIGHT KIPO 2017 ...

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Номер записи: 20
05-10-2017 дата публикации

RESIN COMPOSITION FOR FAST CURING PREPREG FOR VEHICLE BODY PARTS VIA PRESS TECHNIQUE, AND PREPREG PRODUCT COMPRISING SAME

Номер: WO2017171127A1
Автор: KIM, Jeong Cheol, KANG, Suk Won, JIN, Dal Saem, SEONG, Il, PARK, Seok Ju
Принадлежит:

The present invention relates to: a resin composition for fast curing a prepreg for vehicle body parts via press technique, wherein as a prepreg formed by impregnating a thermosetting resin composition and a thermoplastic additive in carbon fibers unidirectionally arranged, improvement to a curing system, which is faster at a low temperature, is carried out by carrying out designing differently from an existing patent via the differentiation of the constituent component of a resin, and the equivalent, viscosity, gel time and glass transition temperature of a resin; and a prepreg product comprising the same.

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Номер записи: 21
26-10-2017 дата публикации

고속경화 시스템의 프리프레그 및 압축 성형용 섬유 강화 복합재료

Номер: KR0101790109B1
Автор: 김정철, 강석원, 진달샘, 성일, 박석주
Принадлежит: 주식회사 한국카본

... 본 발명은 한방향으로 배열한 탄소섬유에 열경화성 수지 조성물을 함침시켜 이루어지는 프리프레그로서, 상기 열경화성 수지 조성물을 150℃에서 5분 경화시켰을 때의 유리전이온도가, Tg≥160℃(DMA Tan Delta), Tg≥150℃(DSC)의 조건을 만족시키는 것을 특징으로 하는 프리프레그를 제공한다. 본 발명에 따른 고속경화 시스템의 프리프레그 및 압축 성형용 섬유 강화 복합재료는 복잡한 구조를 가진 금형 프레스 성형 시에도 우수한 품질의 성형 제품과 빠른 생산성이 나타나게 하는 효과가 있다.

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Номер записи: 22
21-02-2017 дата публикации

COOLING CT SYSTEM

Номер: KR1020170019225A
Автор: YUN ALEXANDER, KIM, SUNG KI, SEONG, IL
Принадлежит:

A cooling CT system is disclosed. The cooling CT system comprises an inlet and an outlet formed on the surface of a rotation unit of a gantry unit and/or the surface of an assembly element installed in the rotation unit. The inlet can be formed to protrude to the outside from the surface of the rotation unit or the assembly element. And the outlet can be formed to protrude to the inside of the rotation unit or the assembly element. COPYRIGHT KIPO 2017 ...

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Номер записи: 23
12-10-2017 дата публикации

PREPREG OF HIGH SPEED CURING SYSTEM, AND FIBER REINFORCED COMPOSITES FOR COMPRESSION MOLDING

Номер: KR1020170111766A
Автор: KIM, JEONG CHEOL, KANG, SUK WON, JIN, DAL SAEM, SEONG, IL, PARK, SEOK JU
Принадлежит:

The present invention, as a prepreg obtained by impregnating a thermosetting resin composition into carbon fibers arranged in one direction, provides the prepreg, which satisfies conditions of 30<=t<=60 and 6.5<=T<=t<=8.0 when a gel time of the carbon fibers and the thermosetting resin composition at the temperature of 150°C is t (sec) and a reach time is T (sec). The prepreg of a high-speed curing system and the fiber-reinforced composites for compression molding according to the present invention have an effect of exhibiting molding products of excellent quality and quick productivity even when compression-molding a mold having a complicated structure. COPYRIGHT KIPO 2017 ...

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Номер записи: 24
11-09-2015 дата публикации

APPARATUS AND METHOD FOR ESTIMATING LOCATION OF LONG-RANGE ACOUSTIC TARGET

Номер: KR1020150103574A
Автор: SHIN, DONG HOON, KIM, SEONG WEON, SUNG, IL, KIM, SEONG IL
Принадлежит:

The present invention relates to an apparatus and method for estimating the location of a long-range acoustic target. The apparatus for estimating the location of the long-range acoustic target according to one embodiment of the present invention includes a plurality of sensing units which estimate the arrival time and the direction of a signal by sensing a low frequency instant noise, a command unit which estimates the location of a long-range low frequency acoustic target by using the estimation result of the arrival time and the direction, and a communication unit which is in charge of a communication between the sensing units and the command unit. COPYRIGHT KIPO 2015 (110-1,110-2,110-n) First monitoring unit (120) Communications unit (130) Command unit ...

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Номер записи: 25