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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 80. Отображено 80.
12-05-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR0101620182B1
Принадлежит: 한국가스공사

... 본 발명에 따른 액화공정은, 혼합 냉매를 채용한 한 개의 폐 루프 냉동 사이클을 이용하여, 제1 열교환부에서 1차적으로 천연가스를 냉각시키고, 제1 열교환부와 구별되는 제2 열교환부에서 2차적으로 천연가스를 냉각시키고, 제1 및 제2 열교환부와 구별되는 제3 열교환부에서 3차적으로 천연가스를 냉각시키는 천연가스 액화공정에 관한 것이다.

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31-08-2015 дата публикации

TOUCH SENSING APPARATUS AND TOUCHSCREEN APPARATUS

Номер: KR0101548796B1
Принадлежит: 삼성전기주식회사

... 본 발명은 접촉 감지 장치 및 터치 스크린 장치에 관한 것으로서, 본 발명의 접촉 감지 장치는 제1 축 방향으로 연장되는 복수의 구동 전극; 상기 제1 축과 교차하는 제2 축 방향으로 연장되는 복수의 감지 전극; 상기 복수의 감지 전극 중 제1 감지 전극에서 발생하는 정전용량 변화를 적분하여 제1 아날로그 신호를 생성하고, 상기 제1 감지 전극과 인접한 제2 감지 전극에서 발생하는 정전용량 변화로부터 제2 아날로그 신호를 생성하는 적분 회로부; 및 상기 제1 아날로그 신호 및 상기 제2 아날로그 신호를 차분 연산하는 감산부; 를 포함할 수 있다.

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02-07-2015 дата публикации

DRIVING CIRCUIT OF CHARGE PUMP CIRCUIT AND CHARGE PUMP SYSTEM INCLUDING SAME

Номер: KR1020150074651A
Принадлежит:

The present invention relates to a charge pump circuit. A driving circuit of the charge pump circuit according to an embodiment of the present invention boosts a fixed input voltage at least once according to a clock signal and generates an output voltage; an oscillator which generates the clock signal; a comparison unit which compares the output voltage with a fixed reference voltage; and a control unit which generates a control signal changing the level of at least one from frequency and duty of the clock signal according to the comparison result of the comparison unit and provides the control signal to the oscillator. COPYRIGHT KIPO 2015 (400) Control unit (500) Oscillator (300) Comparison unit (100) Voltage pump circuit (200) Voltage detection unit ...

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28-04-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR0101616626B1
Принадлежит: 한국가스공사

... 본 발명에 따른 액화공정은 혼합 냉매를 채용한 한 개의 폐 루프 냉동 사이클을 이용하여, 제1 열교환 영역에서 1차적으로 천연가스를 냉각시키고, 제2 열교환 영역에서 2차적으로 천연가스를 냉각시키는 천연가스 액화공정에 관한 것이다.

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11-01-2019 дата публикации

시멘트 첨가물 및 그 제조방법

Номер: KR0101937620B1
Автор: 조병학
Принадлежит: 조병학

... 본 발명은 시멘트에서 발생되는 6가크롬을 제거함과 동시에 시멘트의 강도 및 고유 물성이 유지되는 시멘트 첨가물 및 그 제조방법에 관한 발명이다. 또한, 본 발명의 시멘트 첨가물은 시멘트, 콘크리트, 몰탈 오폐수 처리 또는 토양 개선에 사용할 수 있다.

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18-12-2018 дата публикации

AUTOMATIC ATTACHMENT CHANGER AND BORING MACHINE HAVING SAME

Номер: KR1020180134029A
Принадлежит:

An automatic attachment changer and a boring machine having the same are disclosed. The automatic attachment changer comprises: a stacker including at least one storage cell, which has a greater length than an attachment and is stacked along a height direction, and for accommodating the attachment horizontally inside the storage cell; a conveyor for conveying the stacker; and a drive control unit for automatically changing the attachment by driving the stacker and the conveyor so that a selected attachment and a spindle assembly are engaged. During the attachment change process, a rotary shaft is automatically returned to the original position thereof and attachment information is automatically reset, thereby increasing the efficiency and accuracy of the attachment change. COPYRIGHT KIPO 2019 ...

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09-12-2016 дата публикации

고효율 파력 발전 장치

Номер: KR0101685169B1
Принадлежит: 한국전력공사

... 파력 발전 장치가 제공된다. 자이로스코프 효과를 이용하여 파랑 에너지를 전기 에너지로 변환하는 파력 발전 장치는 제 1 방향으로의 회전을 통한 각운동량을 가지는 제 1 플라이휠, 상기 제 1 플라이휠에 상기 제 1 방향으로 회전력을 공급하는 제 1 전동기, 파랑의 피칭 운동에 의한 상기 제 1 플라이휠의 각운동량의 변화로 발생하는 토크를 전달하는 제 1 토크 구동부, 상기 전달된 토크를 유압으로 변환하는 제 1 유압 실린더, 상기 변환된 유압을 이용하여 회전력을 공급하는 유압 모터 및 상기 유압 모터의 회전력을 전기로 변환하는 발전기를 포함한다.

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15-12-2015 дата публикации

INTEGRATING CIRCUIT, TOUCH SENSING APPARATUS, AND TOUCH SCREEN APPARATUS

Номер: KR1020150140047A
Принадлежит:

The present invention relates to an integration circuit, a touch sensing apparatus, and a touch screen apparatus. According to an embodiment of the present invention, the integration circuit comprises: a plurality of switches; at least one calculation amplifier; and at least one feedback capacitor. The integration circuit integrates a charge charged in a node capacitor by sequentially delivering the charge to the feedback capacitor. The calculation amplifier can operate in either a normal mode or a low power mode by being synchronized with a clock signal applied to at least one switch from the switches. COPYRIGHT KIPO 2016 ...

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18-09-2017 дата публикации

SEMICONDUCTOR DEVICE AND OPERATING METHOD THEREOF

Номер: KR1020170104910A
Принадлежит:

Provided are a semiconductor device and an operating method thereof. The semiconductor device includes a mode controller for outputting a first control signal in a first communication mode and outputting a second control signal in a second communication mode different from the first communication mode; and a configurable circuit for generating a first output signal to be transmitted to a first analog digital converter (ADC) in the first communication mode and generating a second output signal using a second type delivery to a first type analog to digital converter (ADC) in the first communication mode, and generating a second output signal using a second type ADC in the second communication mode. The configurable circuit includes a switching circuit to changes the circuit configuration into a first circuit configuration for generating the first output signal in the first communication mode or a second circuit configuration for generating the second output signal in the second communication ...

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28-05-2015 дата публикации

TOUCH SCREEN DEVICE AND METHOD FOR OPERATING SAME

Номер: KR1020150057652A
Принадлежит:

The present invention relates to a touch screen device and a method for operating the same. According to an embodiment of the present invention, the touch screen device includes: a driving circuit unit which divides a driving signal into multiple time sections and sequentially applies the driving signal to a plurality of first electrodes; a detection circuit unit which obtains a plurality of detection signals from a plurality of second electrodes formed to be overlapped by the first electrodes; a signal conversion unit which converts the detection signals into digital signals; and a buffer unit which receives the detection signals from the detection circuit unit, holds the detection signals for a predetermined time, and then provides the detection signals to the signal conversion unit. The signal conversion unit can convert the detection signals, generated according to driving signals applied to a previous time section, into digital signals in a present time section among the time sections ...

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02-06-2016 дата публикации

HIGH VOLTAGE DRIVER

Номер: KR1020160062515A
Принадлежит:

The present invention relates to a high voltage driver. The high voltage driver according to an embodiment of the present invention may include: a low side switching unit including first and second to n-th NMOS transistors connected to each other in series between an output terminal and a ground, wherein the first NMOS transistor is turned on or turned off depending on a first control signal; a high side switching unit including first and second to n-th PMOS transistors connected to each other in series between a power supply input terminal and an output terminal, wherein the first PMOS transistor is operated complementarily to the first NMOS transistor depending on a second control signal; a first voltage dividing unit dividing a voltage between the output terminal and the ground and providing the divided voltages to the second to n-th NMOS transistors; and a second voltage dividing unit dividing the voltage between the output terminal and the ground and providing the divided voltages ...

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14-03-2016 дата публикации

SUPPLY MODULATOR

Номер: KR1020160028943A
Принадлежит:

The present invention relates to a supply modulator (SM) used in the wireless transmitter in the communication system. The purpose of the present invention is to provide a structure and a method for improving a back-off power efficiency and the peak power of power amplifier in ET mode by a hybrid supply modulator adaptably controlling a supplying voltage of the supply modulator and an envelope shape table in APT mode and ET mode respectively according to the size of outputting electricity. The supply modulator according to the present invention comprises: a buck booster controlling power supply and voltage of a linear regulator which controls the output voltage on the basis of the reference voltage level; a power controller switching operation modes of the supply modulator by controlling the level of the reference voltage which is input into the buck booster on the basis of a level of a power control signal from a modem; an AC coupling unit containing an AC coupling capacitor which lowers ...

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11-06-2018 дата публикации

LNG FUEL SUPPLY SYSTEM FOR SHIP

Номер: KR101852715B1

Disclosed is an LNG fuel supply system for a ship. The disclosed LNG fuel supply system for a ship according to the present invention comprises: a body unit having first and second spaces which are adjacent to each other; a storage unit provided in the first space and storing LNG; and a supply unit which is provided in the second space and supplies the LNG supplied from the storage unit to an engine by vaporizing and reducing pressure. According to the above configuration, the present invention can modularize fuel supply to the ship, thereby contributing to improvement in fuel supply property. COPYRIGHT KIPO 2018 ...

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18-11-2015 дата публикации

ANALOG AMPLIFIER FOR RECOVERING ABNORMAL OPERATION OF COMMON MODE FEEDBACK

Номер: KR1020150127867A
Принадлежит:

An analog variable amplifier in an analog amplifier for recovering an abnormal operation of a common mode feedback comprises: a first input transistor and a second input transistor which amplify first bias current in accordance with magnitudes of first input voltage and second input voltage; a first output transistor and a second output transistor which output the amplified first bias current; a third transistor and a fourth transistor which receive and amplify the output voltage of the first output transistor; a first current source which supplies predetermined current between the first output transistor and the third transistor; a fifth transistor and a sixth transistor which receive and amplify the output voltage of the second output transistor; and a second current source which supplies predetermined current between the second output transistor and the fifth transistor. COPYRIGHT KIPO 2016 (AA, CC, EE) First bias (BB, DD) Second bias ...

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17-02-2016 дата публикации

TOUCH SCREEN CONTROL DEVICE AND TOUCH SCREEN DEVICE

Номер: KR1020160018179A
Принадлежит:

The present invention provides a touch screen control device and a touch screen device, capable of minimizing an influence of a noise on a capacitance change to detect. According to the present invention, the touch screen control device includes: a capacitance detection unit detecting capacitance of a capacitor; and a power adjustment unit outputting second power by adjusting first power inputted from the outside. The operating voltage of the capacitance detection unit uses the second power, and the operating voltage of a clock supplied to the capacitance detection unit uses the first power. COPYRIGHT KIPO 2016 (310) Capacitance sensing unit (320) Power adjustment unit (330) Clock ...

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26-01-2016 дата публикации

천연가스 액화공정

Номер: KR1020160009545A
Принадлежит:

... 본 발명에 따른 천연가스 액화공정은, 혼합 냉매를 채용한 한 개의 폐 루프 냉동 사이클을 이용하기 때문에 액화공정의 구조가 단순하고 액화공정의 운전이 용이할 뿐만 아니라, 한 개의 스트림이 두 개의 스트림으로 분리된 다음에 각각 천연가스를 냉각시키기 때문에 액화공정의 효율도 우수하다.

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24-01-2019 дата публикации

적응형 다중밴드 파워 증폭 장치

Номер: KR0101941953B1
Принадлежит: 삼성전기 주식회사

... 본 발명의 일 실시 예에 따른 파워 증폭 장치는, 기준전압에 기초된 DC 전류와 입력신호의 엔벨로프에 따른 엔벨로프-트래킹 전압에 기초된 ET 전류를 연산하여 제1 ET 바이어스 전류를 생성하는 ET 전류 바이어스 회로; 및 상기 제1 ET 바이어스 전류 및 전원 전압을 공급받아 상기 입력신호를 증폭하도록 바이폴라 접합 트랜지스터를 갖는 파워 증폭 회로; 를 포함하고, 상기 제1 ET 바이어스 전류의 평균전류는 일정하도록 제어된다.

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28-08-2017 дата публикации

다중 모드 전력 증폭기

Номер: KR0101771720B1

... 본 발명은 사전에 설정된 전력 범위를 갖는 저전력 모드 및 저전력 모드의 전력 범위보다 높은 전력 범위를 갖는 고전력 모드로 동작 가능한 다중 모드 전력 증폭기에 관한 것으로, 적어도 하나의 캐스코드 증폭기를 구비하여 입력 신호를 사전에 설정된 전력 범위를 갖는 고전력 레벨로 증폭하는 고전력 증폭부와, 상기 적어도 하나의 캐스코드 증폭기의 커먼 소스 노드를 공유하여 상기 입력 신호를 상기 고전력 레벨보다 낮은 전력 범위를 갖는 저전력 레벨로 증폭하는 저전력 증폭부와, 상기 고전력 증폭부의 신호 전달 경로와 상기 저전력 증폭부의 신호 전달 경로를 결합하는 결합부를 포함하는 다중 모드 전력 증폭기를 제공한다.

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15-02-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR1020160015923A
Принадлежит:

The present invention relates to a natural gas liquefaction process, wherein the liquefaction process according to the present invention is characterized in that by using a single closed-loop refrigeration cycle adapting a mixed refrigerant, natural gas is primarily cooled in the first heat exchange zone; natural gas is secondarily cooled in the second heat exchange zone; and natural gas is thirdly cooled in the third heat exchange zone. The closed-loop refrigeration cycle comprises: a condensation step for partially condensing a mixed refrigerant; a first separation step for separating the mixed refrigerant after the condensation step into a first stream and a gaseous second stream; a compression step for compressing the second stream after the first separation step; a second separation step for separating the second stream after the compression step into a third stream and a gaseous fourth stream, a first mixing step for mixing the first stem after the first and second separation steps ...

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23-08-2018 дата публикации

CEMENT ADDITIVE AND MANUFACTURING METHOD THEREOF

Номер: KR101891052B1
Автор: JO, BYEONG HAK
Принадлежит: JO, BYEONG HAK

The present invention relates to a cement additive which removes hexavalent chromium from cement and maintains strength and inherent physical properties of the cement, and a manufacturing method of the same. Additionally, the cement additive of the present invention can be used for cement, concrete, mortar wastewater treatment, or soil improvement. COPYRIGHT KIPO 2018 ...

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09-03-2017 дата публикации

METHOD TO RE-LIQUEFY EVAPORATED GAS

Номер: KR1020170027101A
Принадлежит:

The present invention relates to a method to re-liquefy evaporated gas, which includes: a first compression step of inducing a first stream, formed of evaporated gas evaporated from a storage tank, to go through a heat exchanger and then compressing the gas; a first heat exchange step of inducing the first stream, compressed after the first compression step, to flow into the heat exchanger again to cool the stream by using the first stream before the inflow to the heat exchanger; a separation step of separating the first stream into a second stream, which is liquid, and a third stream, which is gas, after the first heat exchange step; a second heat exchange step of increasing the temperature of the third stream in the heat exchanger after the separation step; and a second compression step of compressing the third stream after the second heat exchange step. According to an embodiment of the present invention, the method is capable of minimizing power consumption for a compressor in the entire ...

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13-02-2019 дата публикации

션트 및 바이어스 복합형의 고주파 스위치 장치

Номер: KR1020190014956A
Автор: 김정훈, 백현, 조병학
Принадлежит:

... 본 발명의 일 실시 예에 따른 고주파 스위치 장치는, 제1 단자와 제2 단자 사이에 배치되어, 제1 게이트 신호에 따라 동작하는 제1 시리즈 스위치와, 상기 제1 시리즈 스위치의 양단에 접속된 제1 커패시터 회로 및 제2 커패시터 회로를 포함하는 제1 시리즈 스위치 회로; 상기 제1 단자와 상기 제1 시리즈 스위치 간의 제1 접속노드와 접지 사이에 배치되어, 제2 게이트 신호에 따라 상기 제1 접속노드에 전원전압 또는 접지 전위를 제공하는 제1 션트-바이어스 회로; 및 상기 제1 접속노드와 상기 제1 션트-바이어스 회로 사이에 접속되어, 제3 게이트 신호에 따라 경로 임피던스를 조절하는 제1 션트-임피던스 회로; 를 포함하고, 상기 제1 커패시터 회로 및 제2 커패시터 회로 각각은 상기 제1 게이트 신호에 따라 상기 제1 시리즈 스위치가 온상태일 때 교류 신호를 통과시키고, 상기 제1 시리즈 스위치가 오프상태일 때 직류 전압을 차단한다.

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29-03-2017 дата публикации

SMART VOLTAGE MEASURING DEVICE FOR ELECTRIC FENCE

Номер: KR101721365B1
Автор: CHO, BYUNG HAK
Принадлежит: CHO, BYUNG HAK

The present invention relates to a voltage measuring device capable of measuring a peak voltage of a high-voltage pulse applied to an electric fence. The smart voltage measuring device includes: a peak detecting voltage dividing unit having a simple circuit with two voltage dividers and two rectifying diodes, dividing the high-voltage pulse applied to a probe into low-voltage pulses, and detecting the peak voltage of the divided pulses; an A/D converting channel converting an output of the peak detecting dividing unit into a digital value; a display unit displaying the digital value; a control unit controlling inputs and outputs of components; and a comparing device arranged between the peak detecting voltage dividing unit and the control unit and transmitting a start point and a peak point of the high-voltage pulse to the control unit. According to the present invention, the effects of improving measurement accuracy, lowering a price, and reducing battery consumption are obtained. COPYRIGHT ...

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11-12-2015 дата публикации

SYSTEM FOR NATURAL GAS ENGINE AND SYSTEM FOR NATURAL GAS BURNER

Номер: KR0101577137B1
Принадлежит: 한국가스공사

... 본 발명에 따른 천연가스 엔진 시스템은, 산소와 천연가스를 공급받아 동력을 발생시키고 물과 이산화탄소를 포함한 배출가스를 배출하는 엔진부, 기화되어 엔진부로 공급될 액화천연가스를 저장하는 제1 탱크부, 제1 탱크부로부터 배출된 액화천연가스와 엔진부로부터 배출된 배출가스 사이의 열교환을 통해 배출가스를 냉각시키는 냉각부, 및 배출가스의 냉각에 따라 이산화탄소가 냉각되어 생성되는 액화이산화탄소를 저장하는 제2 탱크부를 포함한다.

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29-03-2017 дата публикации

PORTABLE ELECTRIC FENCE VOLTAGE-MEASURING DEVICE

Номер: KR101721366B1
Автор: CHO, BYUNG HAK
Принадлежит: CHO, BYUNG HAK

The present invention relates to a portable voltage-measuring device which measures the peak voltage of a high-voltage pulse applied between an electric fence and the ground. The portable voltage-measuring device includes: a body case having an open surface; a sensor case which is formed to be coupled to the open surface of the body case to protrude therefrom; a voltage divider which is arranged over the inside and outside of the sensor case to divide the high voltage applied to a probe into lower voltages; a peak detection unit detecting the peak voltage of the divided voltages; a display unit displaying the peak voltage; and a microcontroller unit (MCU) which controls the input and outlet of the configuration elements. According to the present invention, the portable electric fence voltage measuring device can measure the precise peak voltage without inserting a ground rod connected to a ground terminal of the voltage measuring device into the ground and as well as reducing the risk of ...

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24-02-2017 дата публикации

POWER-SAVING SMART ELECTRICAL FENCE SYSTEM

Номер: KR101710370B1
Автор: CHO, BYUNG HAK
Принадлежит: CHO, BYUNG HAK

The present invention relates to a power-saving smart electrical fence system. More specifically, the present invention relates to an electrical fence which prevents trespass of wild animals or escape of livestock raised in farms to the outside, by apply high voltage to a fence wire. According to the present invention, a contact sensing device which can be used as a signaling wire as well as contact sensing wire disposed on the fence wire, and operates only when coming into contact with animals, thereby minimizing power consumption. Accordingly, the electrical fence provides a power-saving system in that the electrical fence can be used over a year with a 4 FM battery for flashlight if covering up 1-2 km of fences. COPYRIGHT KIPO 2017 (100) Control and monitoring device (120) Light amount sensor (130) Setting switch (140) LED lamp (145) LCD module (150) Control switch (160) Alarm (161) Warning light (162) Siren (170) Power supply unit (171) Battery (200) High-voltage pulse generator (220 ...

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15-06-2017 дата публикации

BACKFACING MACHINING METHOD AND BACKFACING CUTTING TOOL THEREFOR

Номер: KR1020170066870A
Принадлежит:

According to a backfacing machining method, a backfacing tool mounted in a spindle through a hole of a processed object enters an initial position on a processed surface opposite to the spindle. The backfacing tool is moved to a processed surface of the processed object. When the backfacing tool comes in contact with the processed surface, movement of the backfacing tool is stopped. From the stopped position, backfacing machining of the processed surface opposite to the spindle is performed. Therefore, durability of a cutting tool can be improved. COPYRIGHT KIPO 2017 (AA) Start (BB) End (S100) Moving a backfacing tool to an initial processing position on a processed surface opposite to a spindle (S110) Moving the backfacing tool to the processed surface (S120) Stopping the movement of the backfacing tool by sensing a load generated when the backfacing tool comes in contact with the processed surface (S130) Performing backfacing machining from a stopped position ...

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02-02-2017 дата публикации

HYBRID CHIP COMPRISING HYBRID CONNECTOR

Номер: KR1020170012011A
Принадлежит:

A chip according to the present disclosure includes an analog circuit, a digital circuit, at least one first connector, and a switching unit which is operatively coupled with the at least one first connector. The switching unit is configured to operatively couple the analog circuit with the at least one first connector when receiving a first signal and to operatively couple the digital circuit with the at least one first connector when receiving a second signal. Accordingly, the present invention can provide a hybrid connector capable of connecting not only the analog circuit but also the digital circuit. COPYRIGHT KIPO 2017 ...

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08-12-2015 дата публикации

TOUCH SENSING DEVICE AND TOUCHSCREEN APPARATUS INCLUDING SAME

Номер: KR1020150136982A
Принадлежит:

A touch sensing device according to an embodiment of the present invention includes: a driving signal generating circuit which includes a first switch and a second switch and provides driving signals to a first node of a node capacitor, the driving signals being generated by switching operations of the first switch and the second switch; and a C-V converting circuit which includes a buffer circuit having a first feedback capacitor and a third switch arranged between a second node of the node capacitor and the first feedback capacitor and generates an output voltage by transmitting a charging voltage of the node capacitor to the first feedback capacitor through a switching operation of the third switch. The buffer circuit further includes a fourth switch arranged between the second node of the node capacitor and a current source. The fourth switch is turned on in an off operation section of the third switch. COPYRIGHT KIPO 2016 ...

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27-11-2014 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: WO2014189261A1
Принадлежит:

A natural gas liquefaction process according to the present invention uses a single closed loop refrigeration cycle employing a mixed refrigerant, thereby having a simple structure for the liquefaction process and allowing the liquefaction process to be easily operated. Furthermore, the present invention refrigerates natural gas after a single stream is divided into two streams, thereby having an excellent efficiency of the liquefaction process.

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28-01-2019 дата публикации

옵셋 제거 기능이 개선된 엔벨로프-추적 전류 바이어스 회로 및 파워 증폭 장치

Номер: KR1020190009179A
Автор: 조병학, 하종옥, 김정훈
Принадлежит:

... 본 발명의 일 실시 예에 따른 엔벨로프-추적 전류 바이어스 회로는, 입력신호에서 ET(Envelope Tracking) 전압을 검출하는 엔벨로프 검출회로; 기준전압을 DC(Direct Current) 전류로 변환하고, 제1 제어 신호에 따라 상기 DC 전류를 조절하는 제1 전압/전류 변환회로; 상기 ET 전압을 ET 전류로 변환하고, 제2 제어 신호에 따라 상기 ET 전류를 조절하고, 상기 ET 전류에서 직류 옵셋 전류를 제거하여 옵셋보상된 ET 전류를 제공하는 제2 전압/전류 변환회로; 및 상기 옵셋보상된 ET 전류와 상기 DC 전류를 연산하여 ET 바이어스 전류를 생성하는 연산 회로; 를 포함한다.

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13-05-2016 дата публикации

ANALOG-DIGITAL CONVERTING DEVICE AND OPERATING METHOD THEREOF

Номер: KR1020160053738A
Принадлежит:

An analog-digital converting device according to an embodiment of the present invention includes: a most significant bit (MSB)-digital analog converter (DAC) which converts a digital signal to an analog signal; a trim capacitor; a least significant bit (LSB)-DAC which is coupled with the trim capacitor, and converts the digital signal to the analog signal; a bridge capacitor which connects the MSB-DAC and the LSB-DAC; a comparing unit which measures a voltage value at the MSB-DAC and the LSB-DAC, and outputs a result of comparing the voltage value with a sampled voltage value; and a control unit which generates first measured data by digitally converting a first measured value output from the comparing unit by applying reference voltage to a unit capacitor of the MSB-DAC, generates second measured data by digitally converting a second measured value output from the comparing unit by applying the reference voltage to a capacitor of the LSB-DAC and controls the trim capacitor by comparing ...

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28-05-2015 дата публикации

TOUCH SCREEN DEVICE

Номер: KR1020150057653A
Принадлежит:

The present invention relates to a touch screen device. According to the present invention, the touch screen device may include: a sensing circuit unit which measures capacitance and generates an analog signal; an amplification unit including a plurality of amplifiers which amplify the analog signal with amplification rates different from each other; an analog-digital converter which converts a plurality of the analog signals, amplified by the amplifiers, into a plurality of digital signals in predetermined digital bits; a plurality of bit converters which receive the digital signals one by one and convert the digital bits with conversion scales different from each other; and a bit merge unit which merges a plurality of the digital signals output from the bit converters. COPYRIGHT KIPO 2015 (335) C-V converter (343) First amplifier (345) Second amplifier (355) First bit converter (357) Second bit converter (359) Bit merge unit ...

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03-06-2015 дата публикации

APPARATUS FOR CONTROLLING OUTPUT VOLTAGE AND APPARATUS FOR BOOSTING VOLTAGE INCLUDING SAME

Номер: KR101525701B1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

An apparatus for controlling an output voltage according to the present invention comprises: a detection circuit unit which detects an output voltage of a charge pump; a comparison circuit unit which compares the output voltage provided from the detection circuit unit with a predetermined reference voltage; and a limiter circuit unit which controls the output voltage according to an output signal from the comparison circuit unit. COPYRIGHT KIPO 2015 (10) Charge pump (100) Detection circuit unit (200) Comparison circuit unit (300) Limiter circuit unit (AA) Reference voltage ...

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15-02-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR1020160015920A
Принадлежит:

The present invention relates to a natural gas liquefaction process which primarily cools natural gas in a first heat exchange domain, secondarily cools the natural gas in a second heat exchange domain, and tertiarily cools the natural gas in a third heat exchange domain by using one closed-loop refrigeration cycle adopting a mixed refrigerant. According to the present invention, the closed-loop refrigeration cycle comprises: a condensation step of partially condensing a mixed refrigerant; a first separation step of separating the mixed refrigerant into a liquefied first stream and a gaseous second stream after the condensation step; a compression step of compressing the second stream after the first separation step; a second separation step of separating the second stream into a liquefied third stream and a gaseous fourth stream after the compression step; a first cooling step of cooling natural gas in a first heat exchange domain by using the first stream after the first separation step ...

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20-11-2018 дата публикации

POWER AMPLIFIER WITH BOOST FUNCTION

Номер: KR1020180123854A
Принадлежит:

According to an embodiment of the present invention, a power amplifier, which can reduce the number of integrated circuits produced with different processes, comprises: a control circuit for generating a bias voltage, and generating a control signal using a battery voltage and a reference voltage; and a power amplifying circuit for providing an operating voltage by boosting the battery voltage according to the control signal, and amplifying an input signal by operating according to the bias voltage and the operating voltage. The power amplifying circuit provides a detecting voltage by detecting the operating voltage, and the control circuit controls the control signal according to the detecting voltage. COPYRIGHT KIPO 2018 (110) Bias circuit (120) High voltage power controller ...

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21-09-2016 дата публикации

SEMICONDUCTOR DEVICE COMPRISING ANALOG-TO-DIGITAL CONVERTERS SHARING REFERENCE CAPACITOR AND SYSTEM ON CHIP COMPRISING SEMICONDUCTOR DEVICE

Номер: KR1020160109997A
Принадлежит:

Provided are a semiconductor device having a reduced size, and a system on chip (SoC) comprising the semiconductor device. The semiconductor device comprises: a reference capacitor which receives a reference voltage from a reference voltage generator; a first successive approximation register analog-to-digital converter (SAR ADC) which converts a first analog signal into a first digital signal by using a first sampling capacitor adapted to have a first capacitance and to be connected to the reference capacitor via a first switching element, and a second sampling capacitor adapted to have a second capacitance lower than the first capacitance and to be connected to the reference capacitor via a second switching element; a second SAR ADC which converts a second analog signal into a second digital signal by using a third sampling capacitor adapted to have a third capacitance and to be connected to the reference capacitor via a third switching element, and a fourth sampling capacitor adapted ...

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15-02-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR1020160015922A
Принадлежит:

The present invention relates to a natural gas liquefaction process. According to the present invention, the liquefaction process comprises the following steps: primarily cooling natural gas in a first heat exchange part using a single closed-loop refrigeration cycle comprising a mixed refrigerant; and secondarily cooling natural gas in a second heat exchange part which is distinguished from the first heat exchange part. According to the present invention, the liquefaction process has simple structure and is easy to operate while exhibiting outstanding efficiency as well. COPYRIGHT KIPO 2016 ...

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30-07-2015 дата публикации

METHOD FOR CONTROLLING THERMAL DEFORMATION OF MAIN SPINDLE IN MACHINE TOOL

Номер: KR0101540819B1
Автор: 조병학
Принадлежит: 두산인프라코어 주식회사

... 본 발명은 공작기계 주축 스핀들(S)의 열 변위 제어 방법으로서, (A) 상기 스핀들(S)의 회전 속도별로 상기 스핀들(S)의 복수개의 지점(1, 2, 3, 4, 5, 6, 7)에 대한 온도를 측정하는 단계와, (B) 상기 복수개의 지점(1, 2, 3, 4, 5, 6, 7)에 대해서 측정된 온도의 편차를 상쇄하기 위해 요구되는 보정 온도 데이터를 상기 복수개의 각 지점(1, 2, 3, 4, 5, 6, 7) 및 상기 스핀들(S)의 회전 속도별로 저장하는 보정 온도 데이터 저장 단계와, (C) 상기 스핀들(S)의 회전 속도를 검출하여 상기 복수개의 지점별로 상기 (B) 단계에서 저장된 보정 온도 데이터를 독출하는 단계와, (D) 상기 독출된 보정 온도 데이터에 기초하여 상기 복수개의 지점별로 온도를 보정하는 온도 보정 단계를 포함하는 것을 특징으로 한다.

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29-01-2018 дата публикации

RADIO FREQUENCY SWITCH DEVICE WITH DYNAMIC BIAS

Номер: KR101823269B1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

A radio frequency switch device according to an embodiment of the present invention includes a first radio frequency switch circuit connected between a first signal terminal and an input terminal, where the first radio frequency switch circuit includes a serial switch and a shunt switch; a dynamic bias circuit for using a battery voltage to generate a bias voltage and a buffer voltage lower than the battery voltage by a predetermined voltage and providing the bias voltage to a signal line connected to the input terminal; and a switch control circuit for using the battery voltage and the buffer voltage to generate first and second gate voltages for switching the first radio frequency switch circuit according to a band selection signal. It is possible to maintain insertion loss characteristics above a certain level regardless of the fluctuation of the battery voltage. COPYRIGHT KIPO 2018 (100) Dynamic, bias circuit (210) Level shifter (230) Buffer circuit ...

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13-07-2015 дата публикации

TOUCH SCREEN DEVICE AND METHOD FOR CONTROLLING SAME

Номер: KR1020150081059A
Принадлежит:

According to the present invention, a touch screen device includes a panel unit, a driving circuit unit, a sensing circuit unit, and a control unit. The control unit: applies a driving signal to a first node capacitor, which is defined at an intersection between a first driving electrode, among a plurality of driving electrodes, and a first sensing electrode, among a plurality of sensing electrodes; and corrects gain of a plurality of converter circuit units so that a voltage level of an output signal of each of the converter circuit units with respect to capacitance of the first node capacitor can be same with a predetermined voltage level. Each of the panel disparity correction units can correct the output signals of the converter circuit units by using capacitance of the first capacitors included in each panel disparity correction unit if the driving signal is applied to the first driving electrode. COPYRIGHT KIPO 2015 (100) Driving circuit unit (310) Converter circuit unit (320) Panel ...

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15-02-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR1020160015918A
Принадлежит:

A liquefaction process according to the present invention primarily cools natural gas in a first heat exchange part by using a single closed loop cooling cycle applying a mixed coolant, and secondarily cools the natural gas in a second heat exchange part distinguished from the first heat exchange part. The purpose of the present invention is to provide the natural gas liquefaction process having a simple structure of the liquefaction process, not only having the liquefaction process easily operated, but also having excellent efficiency of the liquefaction process, and actively dealing with change in the liquefaction environment. COPYRIGHT KIPO 2016 ...

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30-01-2019 дата публикации

적응형 다중밴드 바이어스 제어 회로 및 파워 증폭 장치

Номер: KR1020190010684A
Принадлежит:

... 본 발명의 일 실시 예에 따른 파워 증폭 장치는, 기준전압에 기초된 DC 전류와 입력신호의 엔벨로프에 따른 ET(Envelope-Tracking) 전압에 기초된 ET 전류를 연산하여 제1 ET 바이어스 전류를 생성하는 ET 전류 바이어스 회로; 및 상기 제1 ET 바이어스 전류를 베이스를 통해 공급받고, 전원 전압을 컬렉터를 통해 공급받으며, 상기 베이스를 통해 수신되는 입력신호를 증폭하는 바이폴라 접합 트랜지스터를 갖는 파워 증폭 회로; 를 포함하고, 상기 제1 ET 바이어스 전류의 평균전류는 일정하도록 제어된다.

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25-04-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR0101615444B1
Принадлежит: 한국가스공사

... 본 발명에 따른 액화공정은, 혼합 냉매를 채용한 한 개의 폐 루프 냉동 사이클을 이용하여, 제1 열교환 영역에서 1차적으로 천연가스를 냉각시키고, 제2 열교환 영역에서 2차적으로 천연가스를 냉각시키고, 제3 열교환 영역에서 3차적으로 천연가스를 냉각시키는 천연가스 액화공정에 관한 것으로서, 여기서 폐 루프 냉동 사이클은, 혼합 냉매를 부분적으로 응축시키는 응축 단계, 응축 단계 이후에 혼합 냉매를 액상의 제1 스트림과 기상의 제2 스트림으로 분리시키는 제1 분리 단계, 제1 분리 단계 이후에 제2 스트림을 압축시키는 압축 단계, 압축 단계 이후에 제2 스트림을 액상의 제3 스트림과 기상의 제4 스트림으로 분리시키는 제2 분리 단계, 제1 분리 단계 이후에 제1 스트림을 이용하여 제1 열교환 영역에서 천연가스를 냉각시키는 제1 냉각 단계, 제2 분리 단계 이후에 제3 스트림을 이용하여 제2 열교환 영역에서 천연가스를 냉각시키는 제2 냉각 단계, 및 제2 분리 단계 이후에 제4 스트림을 이용하여 제3 열교환 영역에서 천연가스를 냉각시키는 제3 냉각 단계를 포함한다.

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14-06-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR0101630518B1
Принадлежит: 한국가스공사

... 본 발명에 따른 액화공정은, 혼합 냉매를 채용한 한 개의 폐 루프 냉동 사이클을 이용하여 제1 열교환부에서 일차적으로 천연가스를 냉각시키고 상기 제1 열교환부와 구별되는 제2 열교환부에서 이차적으로 천연가스를 냉각시키는 천연가스 액화공정에 관한 것이다.

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12-05-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR0101620183B1
Принадлежит: 한국가스공사

... 본 발명에 따른 액화공정은, 혼합 냉매를 채용한 한 개의 폐 루프 냉동 사이클을 이용하여 제1 열교환부에서 일차적으로 천연가스를 냉각시키고 제1 열교환부와 구별되는 제2 열교환부에서 이차적으로 천연가스를 냉각시키는 천연가스 액화공정에 관한 것이다.

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08-12-2015 дата публикации

APPARATUS AND METHOD FOR REMOVING NOISE OF POWER AMPLIFICATION PORTION IN WIRELESS COMMUNICATIONS SYSTEM

Номер: KR1020150136869A
Принадлежит:

The present invention relates to a transmitting apparatus of a wireless communications system. The apparatus comprises: a base band signal processing portion which detects an envelope signal; a power modulation portion which supplies power to a power amplification portion, using the envelope signal; and the power amplification portion which receives a voltage from the power modulation portion, and amplifies electricity of a transmitting signal. The power modulation portion generates an anti-phase signal from a switching noise, and sums the anti-phase signal and the switching noise. According to the present invention, the apparatus can realize a low switching noise in an amplification apparatus of the wireless communications system, and prevent a sensitivity degradation phenomenon due to a noise of the power modulation portion from an envelope tracking power amplification portion technology. COPYRIGHT KIPO 2016 (410) Power amplification portion (412) Power mode control portion (420) RF transmitting ...

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03-10-2013 дата публикации

APPARATUS FOR GENERATING HYDRAULIC WIND POWER AND METHOD THEREOF

Номер: WO2013147498A1
Принадлежит:

The present invention relates to an apparatus for generating hydraulic wind power and a method thereof, the apparatus for generating hydraulic wind power comprising: a rotating unit, provided with blades, which rotates due to the wind; a fluid supplying unit, connected to the rotating unit and provided with a cylinder and a piston, for providing fluid by means of the operation of the piston driven by the rotation of the rotating unit; and a hydraulic motor unit, connected to the fluid supplying unit, which rotates due to the pressure of the fluid provided by the fluid supplying unit; and a power generation unit, connected to the hydraulic motor unit, for generating electricity from the rotation of the hydraulic motor unit. Accordingly, the present invention has the benefit of reducing energy loss and raising the energy generation efficiency by allowing the hydraulic motor part to be operated at an operational level of high efficiency thereof.

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08-05-2018 дата публикации

CEMENT ADDITIVES AND MANUFACTURING METHOD THEREOF

Номер: KR101855050B1
Автор: JO, BYEONG HAK
Принадлежит: JO, BYEONG HAK

The present invention relates to cement additives, which eliminate carcinogenic substances such as heavy metals, including hexavalent chromium, generated from cement, and at the same time, maintain the strength and inherent physical properties of cement, and to a manufacturing method thereof. In addition, the cement additives of the present invention can provide cement which is not oxidized to hexavalent chromium by heat. COPYRIGHT KIPO 2018 ...

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25-04-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR0101615443B1
Принадлежит: 한국가스공사

... 본 발명에 따른 액화공정은, 혼합 냉매를 채용한 한 개의 폐 루프 냉동 사이클을 이용하여 제1 열교환부에서 일차적으로 천연가스를 냉각시키고 상기 제1 열교환부와 구별되는 제2 열교환부에서 이차적으로 천연가스를 냉각시키는 천연가스 액화공정에 관한 것이다.

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07-11-2018 дата публикации

POWER AMPLIFICATION APPARATUS WITH SPURIOUS REDUCTION FUNCTION

Номер: KR101901706B1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

The present invention relates to a power amplification apparatus. The power amplification apparatus according to an embodiment of the present invention comprises: a power supply circuit generating operating power; a random pulse generation circuit which receives the operating power and generates a pulse width modulation signal with randomly changing pulse width over time by using an input RF signal; and a charge pump circuit which receives the operating power and performs a switching operation randomly according to the pulse width modulation signal to generate a negative voltage. COPYRIGHT KIPO 2018 (121) Rectifier (122) Pulse width modulator (130) Charge pump circuit ...

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09-03-2017 дата публикации

BOIL-OFF GAS RELIQUEFACTION METHOD

Номер: WO2017039271A1
Принадлежит:

A boil-off gas reliquefaction method, according to the present invention, comprises: a compression step for compressing a first stream comprising boil-off gas of liquefied natural gas generated in a storage tank; a first separation step for, after the compression step, separating the first stream into a second stream and a third stream; a cooling step for cooling the second stream by heat exchanging same in a heat exchanger with a first stream that has not yet undergone the compression step; a first decompression step for, after the cooling step, decompressing at least one portion of the second stream by expanding same through an expander; and a second separation step for, after the first decompression step, separating the second stream into a gas-phase fourth stream and a liquid-phase fifth stream. Here, the expander generates work amid the expanding of the second stream in the first decompression step.

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01-08-2016 дата публикации

PHASE LOCK DETECTING DEVICE AND A METHOD FOR DETECTING A PHASE LOCK

Номер: KR1020160090601A
Принадлежит:

The present invention relates to a method for detecting a phase lock and a phase lock detecting device. The phase lock detecting device includes: a first frequency demultiplier separately dividing first pulse signals and second pulse signals; a phase frequency detector outputting third pulse signals and fourth pulse signals corresponding to a phase difference between the divided first pulse signals and the divided second pulse signals; a second frequency demultiplier separately dividing the third and fourth pulse signals and the fourth pulse signals; and a determining device for determining a phase lock of the second pulse signals based on the divided third pulse signals and the divided fourth pulse signals. COPYRIGHT KIPO 2016 (110) First frequency demultiplier (130) Phase frequency detector (150) Second frequency demultiplier (170) Determinator ...

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10-03-2016 дата публикации

PARALLEL OUTPUT LINEAR AMPLIFIER

Номер: KR1020160027888A
Принадлежит:

A parallel output linear amplifier is provided. The parallel output linear amplifier includes: a transconductance amplifier for receiving an analog input signal through an input terminal, and amplifying the analog input signal; a first pre-amplifier connected to the transconductance amplifier, and operated by floating drive voltage; a cascode class AB amplifier connected to the first pre-amplifier, and providing the amplified signal to an output terminal; a second pre-amplifier connected to the transconductance amplifier, and operated by the floating drive voltage; and a cascade class AB amplifier connected to the second pre-amplifier, and providing the amplified signal to the output terminal. COPYRIGHT KIPO 2016 (330) Voltage converter (332) Supply voltage controller ...

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28-10-2016 дата публикации

SEMICONDUCTOR DEVICE COMPRISING SUCCESSIVE APPROXIMATION REGISTER ANALOG TO DIGITAL CONVERTER WITH VARIABLE SAMPLING CAPACITOR

Номер: KR1020160124634A
Принадлежит:

Provided is a semiconductor device comprising a successive approximation register analog to digital converter (SAR ADC) with a variable sampling capacitor. The semiconductor device comprises: a mode controller to output a control signal of a first level in a first mode, outputting a control signal of a second level different from the first level in a second mode; and an SAR ADC to convert an analog input signal into a digital output signal using a plurality of variable sampling capacitors. Each variable sampling capacitor includes a first sampling capacitor having a first capacitance and a second sampling capacitor having a second capacitance. In the first mode, the SAR ADC receives the control signal of the first level, and connects the first and second sampling capacitors to either a first voltage or a second voltage different from the first voltage to convert the analog input signal into the digital output signal. In the second mode different from the first mode, the SAR ADC receives ...

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28-11-2018 дата публикации

부스트 기능을 갖는 전력 증폭 장치

Номер: KR0101922880B1
Принадлежит: 삼성전기 주식회사

... 본 발명의 일 실시 예에 따른 전력 증폭 장치는, 바이어스 전압을 생성하고, 배터리 전압 및 기준전압을 이용하여 제어 신호를 생성하는 제어 회로; 및 상기 제어 신호에 따라 상기 배터리 전압을 승압하여 동작 전압를 제공하고, 상기 바이어스 전압 및 상기 동작 전압에 따라 동작하여, 입력되는 신호를 증폭하는 파워 증폭 회로; 를 포함하고, 상기 파워 증폭 회로는 상기 동작 전압을 검출하여 검출전압을 상기 제어 회로에 제공하고, 상기 제어 회로는 상기 검출전압에 따라 상기 제어 신호를 제어한다.

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22-03-2012 дата публикации

INSULATOR CHECKING MODULE AND METHOD FOR DRIVING SAME, AND INSULATOR CHECKING APPARATUS AND METHOD FOR SAME

Номер: KR2012036376A1
Принадлежит:

Disclosed are an insulator-checking module and a method for driving same, and an insulator-checking apparatus and a method for same. The insulator-checking module comprises: a unit for generating a test voltage to be applied to an insulator; a unit for checking the insulator by means of signal-processing, which receives a detection signal from the insulator to which the test voltage was applied through a measurement unit and generates an insulator-checking signal; a main control unit receiving the checking signal, detecting the insulation resistance and the divided voltage of the insulator, and controlling the unit for generating the test voltage and the unit for checking the insulator by means of signal-processing; and a communication unit communicating with an external device to transmit the checking signal delivered from the main control unit.

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26-10-2016 дата публикации

APPARATUS AND METHOD OF TRANSMITTING USING CARRIER AGGREGATION

Номер: KR1020160123946A
Принадлежит:

Various embodiments of the present invention relate to an apparatus and a method of transmitting using carrier aggregation. The transmitting apparatus comprises: a first communication unit to convert a first base band signal into a first RF signal of a first band; a second communication unit to convert a second base band signal into a second RF signal of a second band; a composition unit to output a third RF signal by adding the first and second RF signals; and an amplification unit to amplify the third RF signal. A communication apparatus is able to effectively process a signal by providing a communication apparatus and the method in accordance with an inter-band CA and an intra-band CA. COPYRIGHT KIPO 2016 (901) First base band signal processor (902) First mixer (903) First frequency generator (904) First variable gain controller (906) Second base band signal processor (907) Second mixer (908) Second frequency generator (909) Second variable gain controller (910) Synthesizer (911) Power ...

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28-02-2018 дата публикации

CEMENT ADDITIVE AND PRODUCTION METHOD THEREOF

Номер: KR101832676B1
Автор: JO, BYEONG HAK
Принадлежит: JO, BYEONG HAK

The present invention relates to a cement additive which removes carcinogens such as heavy metal and hexavalent chromium derived from cement and maintains inherent physical properties and strength of cement. The present invention further relates to a production method thereof. In addition, the cement additive enables production of cement which is not oxidized to hexavalent chromium by heat. To this end, the cement additive is composed of 13-23 parts by weight of charcoal, 16-26 parts by weight of tin sulfide, 16-23 parts by weight of ferrous sulfate heptahydrate, and 49-59 parts by weight of iron (II) chloride tetrahydrate. COPYRIGHT KIPO 2018 ...

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16-05-2019 дата публикации

CEMENT ADDITIVE AND METHOD FOR PRODUCING SAME

Номер: WO2019093589A1
Автор: JO, Byeong Hak
Принадлежит:

The present invention relates to a cement additive and a method for producing same, wherein carcinogens, including heavy metals such as hexavalent chromium and the like, generated from cement are removed while maintaining the strength and characteristic physical properties of cement. Moreover, the cement additive according to the present invention can provide cement that does not become oxidized by heat into hexavalent chromium.

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06-04-2017 дата публикации

천연가스 액화공정

Номер: KR0101724226B1
Принадлежит: 한국가스공사

... 본 발명에 따른 천연가스 액화공정은, 혼합 냉매를 채용한 한 개의 폐 루프 냉동 사이클을 이용하기 때문에 액화공정의 구조가 단순하고 액화공정의 운전이 용이할 뿐만 아니라, 한 개의 스트림이 두 개의 스트림으로 분리된 다음에 각각 천연가스를 냉각시키기 때문에 액화공정의 효율도 우수하다.

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05-12-2018 дата публикации

ENVELOPE-TRACKING CURRENT BIAS CIRCUIT WITH OFFSET CANCELLATION FUNCTION

Номер: KR1020180129477A
Принадлежит:

According to an embodiment of the present invention, an envelope-tracking current bias circuit comprises: a first rectifying circuit for detecting an envelope of an input signal to provide an envelope detection signal including a first direct current offset voltage; a second rectifying circuit for providing a second direct current offset voltage corresponding to the first direct current offset voltage; and a first calculating circuit for providing an envelope signal in which the first direct current offset voltage is reduced by subtracting the envelope detection signal and the second direct current offset signal. COPYRIGHT KIPO 2019 (110) First rectification circuit (120) Second rectification circuit (140) First current source circuit (150) Second current source circuit ...

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29-10-2018 дата публикации

RADIO FREQUENCY SWITCH APPARATUS WITH IMPROVED HARMONIC ATTENUATION CHARACTERISTICS

Номер: KR101912289B1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

A radio frequency switch apparatus according to an embodiment of the present invention includes: a first transistor which includes a first input terminal connected to a signal input terminal, a first output terminal connected to a signal output terminal, a first gate terminal and a first body terminal, wherein one of the first input terminal and the first output terminal is a source terminal and the other is a drain terminal; a first capacitor circuit connected between the first input terminal of the first transistor and a first body terminal; and a second capacitor circuit connected between the first body terminal and the first output terminal of the first transistor. The first capacitance of the first capacitor circuit is set to be larger than the second capacitance of the second capacitor circuit. COPYRIGHT KIPO 2018 ...

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02-02-2017 дата публикации

SEMICONDUCTOR DEVICE PERFORMING COMMON MODE VOLTAGE COMPENSATION USING ANALOG DIGITAL CONVERTER

Номер: KR1020170011939A
Принадлежит:

Provided is a semiconductor device performing common-mode voltage compensation using an analog-to-digital converter. The semiconductor includes: a first chip which is the first chip driven by a first power supply voltage, and which connects a first signal line with a second signal line which are supplied with a differential signal to generate a single signal and outputs the single signal to a third signal line; a second chip disposed to be separated from the first chip and including an analog-to-digital converter which compares the single signal provided from the first chip through the third signal line with a reference voltage to output a digital signal; and a controller which monitors the digital signal to adjust the reference voltage such that the reference voltage is approximately equivalent to the first power supply voltage. COPYRIGHT KIPO 2017 ...

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20-05-2015 дата публикации

APPARATUS AND METHOD FOR CONTROLLING OUTPUT AMPLITUDE LEVEL OF VOLTAGE-CONTROLLED OSCILLATOR IN ELECTRONIC DEVICE

Номер: KR1020150054506A
Принадлежит:

The present invention relates to an apparatus and method for controlling output amplitude level of voltage-controlled oscillator (VCO) in an electronic device, which are provided to control the output of VCO in an electronic device, to maintain the amplitude level of output signal of VCO in an electronic device to be a desired value, to control the electric current volume supplied to VCO from an electronic device, and to reduce the electric current consumption due to an output control circuit of VCO in an electronic device. The apparatus of the present invention is provided by comprising: a first circuit that outputs a frequency signal corresponding to a control voltage; and a second circuit that generates a control bit string that controls the amplitude level of the frequency signal on the basis of the result of comparison between a peak voltage of the frequency signal and the standard voltage. In addition, the present invention includes other embodiments than the above-mentioned embodiment ...

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29-10-2018 дата публикации

BAND SELECTION SWITCH DEVICE OF POWER AMPLIFICATION SYSTEM

Номер: KR101912288B1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

According to an embodiment of the present invention, a band selection switch device comprises: a first switch including a first series switch arranged between a transmission input terminal and a first transmission/reception terminal; a second switch including a second series switch arranged between the transmission input terminal and a first transmission terminal; and a third switch including a third series switch arranged between the first reception output terminal and the first transmission/reception terminal. The first series switch comprises: a first series switch circuit including a plurality of switch elements connected between the transmission input terminal and a first intermediate node; a second series switch circuit including a plurality of switch elements connected between the first intermediate node and the first transmission/reception terminal, and performing a switching operation in synchronization with a switching operation of the first series switch circuit; and a first ...

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30-11-2015 дата публикации

NATURAL GAS ENGINE SYSTEM AND NATURAL GAS BURNER SYSTEM

Номер: KR1020150133483A
Принадлежит:

According to the present invention, a natural gas engine system comprises: an engine part which generates power by receiving oxygen and natural gas, and discharges exhaust gas containing water and carbon dioxide; a first tank part which stores liquefied natural gas (LNG) to be vaporized and supplied to the engine part; a cooling part which cools an exhaust gas through heat-exchange between the LNG discharged from the first tank part and the exhaust gas discharged from the engine part; and a second tank part which stores liquefied carbon dioxide generated when the carbon dioxide is cooled in accordance to a cooling of the exhaust gas. COPYRIGHT KIPO 2016 (AA) Moisture (BB) Exhaust gas ...

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09-05-2018 дата публикации

ADAPTIVE MULTI-BAND POWER AMPLIFYING APPARATUS

Номер: KR1020180046847A
Принадлежит:

A power amplifying apparatus according to an embodiment of the present invention includes: an ET current bias circuit for generating a first ET bias current by calculating an ET current based on an envelope-tracking voltage according to an envelope of an input signal and a DC current based on a reference voltage; and a power amplifying circuit including a bipolar junction transistor for receiving the first ET bias current and a power supply voltage and amplifying the input signal. An average current of the first ET bias current is controlled to be constant. Accordingly, the present invention can improve an adjacent channel power ratio (ACPR). COPYRIGHT KIPO 2018 (500) Control circuit (RT-PA) Ratio parameter ...

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15-02-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR1020160015921A
Принадлежит:

The present invention relates to a natural gas liquefaction process. According to the present invention, the liquefaction process comprises the following steps: primarily cooling natural gas in a first heat exchange part using a single closed-loop refrigeration cycle comprising a mixed refrigerant; secondarily cooling natural gas in a second heat exchange part which is distinguished from the first heat exchange part; and tertiarily cooling natural gas in a third heat exchange part which is distinguished from the first and the second heat exchange part. According to the present invention the liquefaction process has simple structure and is easy to operate while exhibiting outstanding efficiency as well. COPYRIGHT KIPO 2016 ...

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15-02-2016 дата публикации

NATURAL GAS LIQUEFACTION PROCESS

Номер: KR1020160015919A
Принадлежит:

A liquefaction process according to the present invention primarily cools natural gas in a first heat exchange part by using a single closed loop cooling cycle applying a mixed coolant, and secondarily cools the natural gas in a second heat exchange part distinguished from the first heat exchange part. The subject of the present invention is to provide the natural gas liquefaction process having a simple structure of the liquefaction process, and not only having the liquefaction process easily operated, but also having excellent efficiency of the liquefaction process. COPYRIGHT KIPO 2016 ...

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28-12-2015 дата публикации

APPARATUS FOR TOUCHSCREEN AND METHOD FOR CONTROLLING THEREOF

Номер: KR0101580381B1
Принадлежит: 삼성전기주식회사

... 본 발명에 따른 터치 스크린 장치는, 패널부, 구동 회로부, 감지 회로부; 및 제어부를 포함하고, 상기 제어부는 복수의 구동 전극 중 제1 구동 전극 및 복수의 감지 전극 중 제1 감지 전극의 교차점에서 정의되는 제1 노드 커패시터에 구동 신호를 인가하고, 상기 제1 노드 커패시터의 정전 용량에 대한 복수의 컨버터 회로부 각각의 출력 신호의 전압 레벨이 사전에 설정된 전압 레벨과 동일하도록 상기 복수의 컨버터 회로부의 이득(gain)을 보정하며, 상기 복수의 패널 편차 보정부 각각은, 상기 제1 구동 전극에 상기 구동 신호가 인가되면 상기 복수의 패널 편차 보정부 각각에 포함되는 제1 커패시터의 정전 용량 값을 이용하여 상기 복수의 컨버터 회로부의 출력 신호를 보정할 수 있다.

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26-06-2017 дата публикации

전력 증폭기

Номер: KR0101751071B1

... 본 발명은 전력 증폭기에 관한 것으로, 병렬 연결된 적어도 둘의 캐스코드 증폭기를 구비하여 입력 신호를 증폭하는 증폭부; 및 상기 둘의 캐스코드 증폭기의 커먼 게이트 노드에 바이어스 전원을 공급하고, 상기 커먼 게이트 노드의 임피던스를 조절하여 상기 커먼 게이트 노드에서의 사전에 설정된 베이스밴드 주파수 대역의 신호를 제거하는 바이어스 공급부를 포함하는 전력 증폭기를 제공하기 위한 것이다.

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25-01-2017 дата публикации

ATTACHMENT INSTALLATION ERROR DETECTOR

Номер: KR1020170009171A
Автор: CHO, BYUNG HAK
Принадлежит:

Disclosed is an installation error detector which automatically detects an installation error of a central position of an attachment spindle. The installation error detector comprises: a body which is fixated on a single detection position on the top surface of a table of a processor and which has a combination shaft which protrudes from the surface; a fixing frame which is rotatably placed around the combination shaft of the body; a contact unit which is in the shape of a ball and which comes in contact with a test tool of a head attachment which is combined with the processor; and an error detector which comes in contact with the contact unit and which has a displacement detection rod which is movably combined with the fixing frame to be movable in proportion to the displacement of the contact unit. The installation error detector of the present invention individually detects an installation error on a central position of a spindle of a head attachment in a single detection position of ...

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09-03-2017 дата публикации

EVAPORATIVE GAS RELIQUEFYING METHOD

Номер: KR1020170027104A
Принадлежит:

The present invention relates to an evaporative gas reliquefying method including: a compressing step of compressing a first stream composed of evaporative gases of a liquefied natural gas generated in a storage tank with a compressor; a first separation step of separating the first stream into a second stream and a third stream; a cooling step of cooling the second stream by heat-exchanging the second stream with the first stream with a heat exchanger; a first decompressing step of decompressing and expanding the second stream by sending the second stream into an expander and performing a work by rotating rotary blades of the expander; and a second separation step of separating the second stream into a gaseous fourth stream and a liquid fifth stream. According to an embodiment of the present invention, evaporative gases gone through an expander rotate rotary blades while being decompressed and expanded, thereby being cooler. Accordingly, the evaporative gases can be reliquefied more effectively ...

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02-02-2017 дата публикации

MULTI-MODE VARIABLE AMPLIFIER AND ANALOG FILTER INCLUDING SAME

Номер: KR1020170011940A
Принадлежит:

Provided are multi-mode variable amplifier and an analog filter including the same. The variable amplifier includes: a gain circuit including a gain path which amplifies an input signal; and a feed forward circuit including a feed forward path which receives the input signal to execute a feed forward compensation operation. The feed forward circuit includes a first control circuit which executes the feed forward compensation operation by activating the feed forward path in a first mode, and does not execute the feed forward compensation by deactivating the feed forward path in a second mode that is different from the first mode. COPYRIGHT KIPO 2017 ...

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10-12-2015 дата публикации

DIGITAL-ANALOG CONVERSION METHOD AND DEVICE

Номер: WO2015186950A1
Принадлежит:

The present invention relates to a digital-analog conversion method and device for adjusting a reference current to be used in a digital-analog conversion, by using a common mode feedback device, and the digital-analog conversion method of the present invention comprises the steps of: generating a reference current by receiving a reference voltage; converting a digital signal into an analog signal by receiving the generated reference current; detecting a common mode voltage, which is the average value of a both-end voltage of the converted analog signal; comparing the detected common mode voltage with the reference voltage; generating a feedback signal on the basis of the comparison result; and adjusting the reference current according to the generated feedback signal.

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21-07-2016 дата публикации

RECEIVER, WIRELESS TERMINAL, AND METHOD FOR OPERATING WIRELESS TERMINAL

Номер: KR1020160087329A
Принадлежит:

Provided are a receiver, a wireless terminal, and a method for operating a wireless terminal. The receiver according to an embodiment of the present invention comprises: a first amplifier for receiving and amplifying a first radio frequency (RF) input signal to output an RF output signal corresponding to a first carrier included in a first frequency band; and a first sub-amplifier for receiving a first internal signal from the first amplifier and amplifying the received first internal signal to output an RF output signal corresponding to a second carrier included in the first frequency band when a mode signal indicates a first mode. The receiver of the present invention can efficiently process a signal received through a wireless communication network. COPYRIGHT KIPO 2016 ...

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10-12-2015 дата публикации

METHOD AND APPARATUS FOR DIGITAL-TO-ANALOG CONVERSION

Номер: KR1020150138767A
Принадлежит:

The present invention relates to a method and an apparatus for digital-to-analog conversion, which adjust reference current used for digital-to-analog conversion by using a common mode feedback device. The method for digital-to-analog conversion of the present invention comprises the following steps: receiving reference voltage to generate reference current; receiving the generated reference current to convert a digital signal into an analog signal; detecting common mode voltage which is an average value of both-end voltage of the converted analog signal; comparing the detected common mode voltage with the reference voltage; generating a feedback signal based on the comparison result; and adjusting the reference current according to the generated feedback signal. COPYRIGHT KIPO 2016 (AA) Start (BB) End (CC) Yes (DD) No (S305) Generate a reference voltage (S310) Generate a reference current (S315) Convert a digital signal into an analog signal (S320) Detect a common mode voltage of analog ...

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13-12-2018 дата публикации

AUTOMATIC ATTACHMENT CHANGER AND BORING MACHINE HAVING SAME

Номер: WO2018226061A1
Принадлежит:

An automatic attachment changer and a boring machine having the same are disclosed. The automatic attachment changer comprises: a stacker including at least one storage cell, which has a greater length than an attachment and is stacked along a height direction, and for accommodating the attachment horizontally inside the storage cell; a conveyor for conveying the stacker; and a drive control unit for automatically changing the attachment by driving the stacker and the conveyor so that a selected attachment and a spindle assembly are engaged. During the attachment change process, a rotary shaft is automatically returned to the original position thereof and attachment information is automatically reset, thereby increasing the efficiency and accuracy of the attachment change.

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09-03-2017 дата публикации

EVAPORATION GAS RE-LIQUEFACTION METHOD

Номер: KR1020170027100A
Принадлежит:

The present invention relates to an evaporation gas re-liquefaction method comprising: a compression step for compressing a first stream made of evaporation gas generated from a storage tank after passing the same through a first heat exchanger; a first cooling step for cooling the compressed first stream by introducing the same into the first heat exchanger and exchanging heat with the first stream before being compressed; a mixing step for mixing the first stream and a second stream made of liquefied gas to form a third stream; and a second cooling step for cooling the third stream in a second heat exchanger. According to an embodiment of the present invention, power consumption of a compressor while compressing an evaporation gas is able to be minimized and the temperature of the evaporation gas is able to be precisely controlled when re-liquefying the evaporation gas. COPYRIGHT KIPO 2017 ...

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