baber/WOPTO huggingface dataset:
Patent KR-20130132919-A (KR)
Inventor: TRIVEDI PRAKASH DRUMAN
IPC: C08G69/26
Filed: 2011-12-14
Abstract: 본 발명은 적어도 1종의 중합체, 및 중합체의 중량을 기준으로 0.1 중량% 내지 1.5 중량%의 적어도 1종의 흄드 실리카를 포함한 혼합물에 관한 것이며, 중합체는 자신의 중량을 기준으로 50 중량%를 초과하는 양의 적어도 1종의 반방향족(semi-aromatic) 폴리아미드를 포함한다. 반방향족 폴리아미드계 혼합물 내에 존재하는 흄드 실리카는, 사출몰딩과 같은 용융가공에 의해, 특히, 휴대폰 하우징과 같은 다양한 성형물품의 제조에 필요한 순환주기를 단축할 수 있게 한다.
Patent KR-20140025340-A (KR)
Inventor: MAURER SCOTT M
IPC: F28F21/08
Filed: 2012-02-03
Abstract: 열 전달을 향상시키기 위하여 열 전도성 폼 물질로 이루어진 핀들을 채용한 열교환기들이 기술된다. 폼 핀들은 이에 한정되는 것은 아니나 플레이트-핀 열교환기, 플레이트-프레임 열교환기 또는 셸-튜브 열교환기를 포함하여 어떠한 타입의 열교환기에도 사용될 수 있다. 본원에서 기술되는 폼 핀들을 사용한 열교환기들은 효율이 높으며, 제작 비용이 저렴하고 내부식성을 갖는다.  기술된 열교환기들은 이에 한정되는 것은 아니나 적은 온도차 분야, 발전 분야, 냉동 및 극저온학  등과 같은 비발전분야 등을 포함하여 다양한 분야에 적용될 수 있다. 핀들은 이에 한정되는 것은 아니나 그래파이트 폼 또는 메탈 폼을 포함하여 열 전도성 폼 물질로 이루어질 수 있다.
Patent KR-20140031202-A (KR)
Inventor: SASAI HISAO
IPC: H04N19/91
Filed: 2012-06-22
Abstract: 본 발명의 일 형태에 따른 화상 복호 방법은, 복수의 콘텍스트 중, 처리 대상 블록에 사용하는 콘텍스트를 결정하는 콘텍스트 제어 단계(S204)와, 상기 처리 대상 블록에 대응하는 비트열을, 결정된 상기 콘텍스트를 이용하여 산술 복호하는 산술 복호 단계(S210)를 포함하고, 상기 콘텍스트 제어 단계(S204)에서는, 상기 제어 파라미터의 신호 종별이 제1 종별인 경우에, 상기 처리 대상 블록에 인접하는 좌측 블록 및 상측 블록의 제어 파라미터를 함께 이용하는 조건을 이용하여 상기 콘텍스트를 결정하고(S206), 상기 제어 파라미터의 신호 종별이 제2 종별인 경우에, 상기 상측 블록의 제어 파라미터를 이용하지 않는 조건을 이용하여 상기 콘텍스트를 결정하고(S207), 상기 제2 종별은, "intra_chroma_pred_mode"이다.
Patent KR-20140027137-A (KR)
Inventor: KOEHLER INGO
IPC: C09D7/63
Filed: 2012-02-09
Abstract: 본 발명은 알루미늄 옥시드 페이스트 및 Al 2 O 3  코팅 또는 혼합된 Al 2 O 3  하이브리드 층의 형성을 위한 알루미늄 옥시드 페이스트의 사용 방법에 관한 것이다.
Patent KR-20140015463-A (KR)
Inventor: LAMBERT PAUL A
IPC: H04W16/14
Filed: 2012-03-13
Abstract: 제1 디바이스(202)로부터 제1 디바이스의 위치가 포함된 제1 메시지(510)를 수신하도록 구성되는 수신기와, 제1 디바이스의 위치 및 제1 디바이스의 위치에 근거한 주파수 할당 요청이 포함된 제 2 메시지(516)를 송신하도록 구성된 송신기를 포함하는 제1 트랜시버; 주파수 할당분이 포함된 제3 메시지(500)를 수신하도록 추가 구성된 상기 수신기; 주파수 할당분에 의해 지시된 주파수 대역에서서 무선통신하도록 구성된 제2 트랜시버를 포함하는 장치(204)와 이에 상응하는 컴퓨터 판독가능 매체에 관한 발명.
Patent KR-20140039185-A (KR)
Inventor: AOKI TATSUYUKI
IPC: F16H41/24
Filed: 2012-04-17
Abstract: 록업 클러치가 온의 경우의 유압 펌프에 대한 부하 등을 경감하고, 고연비화를 도모한다. 이 록업 장치는, 토크 컨버터의 프론트 커버(2)와 터빈(4)과의 사이의 공간에 배치되고, 양자를 기계적으로 접속하기 위한 장치로서, 클러치부(30)와 릴리즈부(31)를 구비하고 있다. 클러치부(30)는, 프론트 커버(2)로부터 터빈(4)으로의 동력 전달 경로에 배치되고, 세팅된 자세로 프론트 커버(2)로부터의 동력을 터빈(4)에 전달하는 클러치 온 상태이다. 릴리즈부(31)는, 유압에 의해 작동하여, 클러치 온 상태의 클러치부(30)를 클러치 오프 상태로 하고, 프론트 커버(2)로부터 터빈(4)으로의  동력 전달을 차단한다.
Patent KR-20140068800-A (KR)
Inventor: TAMARGO GARCIA FRANCISCO JOSE
IPC: C22B3/00
Filed: 2012-07-16
Abstract: 본 방법은 얻어진 최종 산도 조건들이 철을 자로사이트로서 효율적으로 침전시키기 위해 이상적인 방식으로 철 부재 용액 또는 낮은 철 함량을 갖는 용액의 재순환을 기초로 한 것이다. 
본 발명의 변형예에서, 아연 정광은 하기 단계들로 처리된다: 
(a) 아연 정광의 적어도 일부를 배소시키는 단계; 
(b) 산화아연을 용해시키는 중성 침출 단계; 
(c) Fe ++ 의 농도를 낮추기 위하여, 아연 정광을 첨가하고 이를 단계 (f)로부터 얻어진 황산아연 용액으로 희석시킴으로써, 용액 중에 함유된 Fe +++ 를 Fe ++ 로 환원시키는 단계; 
(e) 용액에서의 산도를 소광으로 중화시키는 단계; 및 
(h) 산소 또는 산소가 풍부한 공기를 주입하고 알칼리 또는 Na +  또는 NH 4   +  염을 첨가함으로써, 오염 고형물들이 존재하지 않게, 철을 산화시키고 자로사이트를 침전시키는 단계.
Patent KR-20140024910-A (KR)
Inventor: SEGALL KEVIN I
IPC: A23L11/00
Filed: 2012-05-09
Abstract: 본 발명은 낮은 pH에서 수용성 염화칼슘 용액을 사용하여 콩 단백질원 물질의 추출에 기초된, 산성 매체에 용해가능한 콩 단백질 분리물을 제조하는 방법을 제공한다. 이 발명의 범주 내의 다양한 변경도 가능하다.
Patent KR-20150000389-A (KR)
Title: 액상 백신 제제
Inventor: RUIZ JR LEONARD P
IPC: C12N1/04
Filed: 2012-04-27
Abstract: 본 명세서는 경구 투여용 액상 백신 제제의 제조 및 사용과 관련된 방법 및 물질을 제공한다.  예를 들어, 동결건조되었거나 건조된 백신 성분 (예를 들어, 동결건조된 병원체, 예컨대 동결건조된 로타바이러스 제제) 및 액상 식용 오일 조성물 (예를 들어, 1종 이상의 중간쇄 트리글리세리드를 함유하는 액상 식용 오일 조성물)을 포함하는, 경구 투여용 액상 백신 제제의 제조 및 사용 방법 및 그를 위한 물질이 제공된다.  일부 경우에, 완충제 성분 (예를 들어, CaCO 3 )을 포함하는 액상 백신 제제가 제공된다.
Patent KR-20140025489-A (KR)
Inventor: LUTAP WILLIAM
IPC: H05K3/34
Filed: 2012-04-27
Abstract: 솔더링 장치(soldering device) 및 솔더링 방법이 기술된다. 장치는 적어도 하나의 솔더 팰렛 어셈블리(soldering pallet assembly, 100)을 포함할 수 있다. 팰렛 어셈블리(100)는 솔더 팰렛 어셈블리 내에 이루어진 제 1 분위기 및 팰렛 어셈블리 외부에 이루어진 제 2 분위기가 가해질 수 있으며, 상기 제 2 분위기는 주위 분위기이다. 적어도 하나의 솔더 소자(140)는 제 1 분위기 내에 배치될 수 있고, 솔더 소자(140)는 팰렛 어셈블리 내부에 배치된 집적 회로 칩(integrated circuit chip)에 전기 부품을 부착하도록 형성될 수 있다.
Patent KR-20150082836-A (KR)
Inventor: SONG JIE YOUNG
IPC: A61P35/00
Filed: 2014-01-08
Abstract: The present invention relates to a composition comprising gelsolin as an active ingredient for inducing dendritic cell differentiation, a method for inducing differentiation thereof, and a vaccine composition for anticancer activity or treating immunological disease using the same. Provided is a composition comprising gelsolin as an active ingredient for inducing dendritic cell differentiation. In addition, provided is a method for inducing dendritic cell differentiation, which comprises a step of inducing dendritic cell differentiation as treating immature dendritic cell with gelsolin. In addition, the present invention provides a dendritic cell differentiated by the method for inducing differentiation and a vaccine composition comprising the same as an active ingredient for treating cancer or immunological disease.
Patent KR-20150086999-A (KR)
Inventor: JEON PHIL JAE
IPC: G01R31/08
Filed: 2014-01-21
Abstract: The present invention may provide a differential signal transmission system including: a first and a second transmission line for transmitting a differential signal; a termination resistor unit which is connected between a first node on the first transmission line and a second node on the second transmission line; a first path unit which controls a first current flowing between one end connected to a first driving voltage and another end connected to the first node on the basis of a first control signal; a second path unit which controls a second current flowing between one end connected to the second node and another end connected to a second driving voltage on the basis of a second control signal; a measurement unit for detecting open or short state as to at least one of the first and the second transmission line by measuring a voltage level of at least one of the node and the second node; and a control unit for controlling transmission of the differential signal, connection of the termination resistor unit, and at least one of the first and the second control signal respectively. According to the present invention, the fault of the differential signal transmission line can detected within a short time easily.
Patent KR-20150089361-A (KR)
Title: Vacuum insulation panel
Inventor: LEE MYUNG
IPC: F16L59/065
Filed: 2014-01-27
Abstract: Provided is a vacuum insulation panel which comprises: a core material; and an outer cover material which vacuum-packs the core material. The outer cover material has a stacked structure of a metal deposition layer, a barrier layer, and a sealing layer. At least one dead end of the barrier layer is formed to be smaller inward than at least one dead end of the core material.
Patent KR-20150090429-A (KR)
Inventor: CHAE HAN YOUNG
IPC: B65D30/02
Filed: 2014-01-29
Abstract: According to the present invention, a paper pocket for food garbage comprises: a hollow rectangular-parallelepiped body of which an upper portion is opened; and a handle attached to one side of the upper portion of the body while the handle protrudes from the one side of the upper portion of the body. A pair of side surfaces of the body facing each other have symmetrical folds to be capable of being folded in the center portion. The handle is attached to an upper end of one side surface among a different pair of side surfaces having no folds. The present invention uses naturally coated paper in order to prevent water from leaking and to prevent the pocket from being torn when the paper pock stores food garbage containing moisture and an entrance unit can be bonded to each other to prevent odors during decomposition of the food garbage.
Patent KR-20150094217-A (KR)
Inventor: LEE JUN YEOB
IPC: H01L51/50
Filed: 2014-02-11
Abstract: An organic light emitting diode is provided. The organic light emitting diode has an anode and a cathode. A light emitting layer having a first sub light emitting layer and a second sub light emitting layer is arranged between the anode and the cathode. The first sub light emitting layer has a first host and a first dopant, and the second sub light emitting layer has a second host and a second dopant. The first dopant and the second host are the same material.
Patent KR-20140102148-A (KR)
Title: 3족 질화물 반도체의 제조 방법
Inventor: OKUNO KOJI
IPC: H01L33/12
Filed: 2014-02-12
Abstract: 균일한 Ga-극성 표면을 갖고 관통 전위 밀도가 감소된 3족 질화물 반도체가 제공된다.  버퍼층을 구성하는 요소의 산화물이 형성되는 온도보다 낮은 온도에서, Al을 필수 요소로 포함하는 상기 버퍼층 상에 캐핑층을 형성한다.  상기 버퍼층의 표면을 노출시키지 않고, 바디 반도체의 결정이 성장하는 온도보다 높은 온도에서 상기 버퍼층이 상기 캐핑층으로 덮인 기판을 열처리한다.  상기 기판 온도를 바디 반도체의 결정이 성장하는 온도로 낮추고, 상기 바디 반도체를 성장시킨다.
Patent KR-20150095449-A (KR)
Inventor: KIM SUNG HO
IPC: G06F3/041
Filed: 2014-02-13
Abstract: The present invention relates to a touch sensor. The touch sensor includes: a first window substrate; a dam which is formed along the edges of the first window substrate; a polymer layer which is formed on the first window substrate on the inner side of the dam; a bezel which is formed to be arranged on the outside of the dam and on the first window substrate; and a second window substrate which is formed to have one surface face the first window substrate and the other surface having an electrode pattern, and include electrode wires electrically connected to the electrode pattern.
Patent KR-20150097130-A (KR)
Inventor: SUNG MUN GYU
IPC: D07B1/06
Filed: 2014-02-18
Abstract: The present invention relates to a hybrid cord which applies a fiber as a core line, thereby preventing fretting abrasion of cords by repeated bumps of steel cords by improving rubber penetration of the steel cords, and preventing movement of moisture when moisture penetrates.
Patent KR-20150101002-A (KR)
Inventor: JUNG HAE GOO
IPC: H01L27/32
Filed: 2014-02-24
Abstract: Provided is a display device including: a first substrate having a display region and a non-display region; at least one pixel including a first electrode, a light emitting layer, and a second electrode, and disposed in the display region of the first substrate; a sealing member arranged to face the first substrate; and a first conductive member disposed in the display region, and connected to the first electrode. The sealing member includes a first conductive layer connected to the first conductive member; an insulating layer disposed on the first conductive layer; and a second conductive layer disposed on the insulating layer, and connected to the second electrode.
Patent KR-20150101306-A (KR)
Inventor: KANG SEONG TAK
IPC: F24H9/06
Filed: 2014-02-26
Abstract: The present invention provides a multi-functional multi-purpose heat exchange system which comprises: a boiler barrel (10) having a heat exchange chamber (14); heat exchange pipes (20) embedded in the heat exchange chamber (14) of the boiler barrel (10); and heaters (30) for heating heat exchange substances together with the heat exchange pipes (20) wherein the heaters are installed in the heat exchanger chamber of the boiler barrel. The heat exchange pipes (20) are arranged on a central portion of the heat exchange chamber in the boiler barrel (10) and are expanded in the longitudinal direction of the boiler barrel (10) to configure a core heat exchange unit. The heaters (30) are radially arranged around the heat exchange pipe (20) to configure a radial heating unit.
Patent KR-20150105153-A (KR)
Inventor: LEE SEUNG CHEOL
IPC: H05K3/46
Filed: 2014-03-07
Abstract: Disclosed is a method for manufacturing a printed circuit board having an embedded support structure according to an embodiment of the present invention. The method for manufacturing a printed circuit board includes the steps of: providing a carrier substrate; forming a lower part support pattern layer disposed along the boundary defining a unit substrate region on the carrier substrate; and forming a first circuit pattern layer disposed on a region inside the boundary and an upper part support pattern layer on the lower part support pattern layer at the same time.
Patent KR-20150106195-A (KR)
Inventor: SON NAM KIL
IPC: F02F11/00
Filed: 2014-03-11
Abstract: A gasket according to embodiments comprises: a body for maintaining tightness between a cylinder head and a cover body, wherein the body is interposed between cover grooves formed on an upper surface of the cylinder head and a lower surface of the cover body; a first contact unit with a first bead contacting a lower surface of a cover groove, wherein the first contact unit is expanded from an upper part of the body; and a second contact unit with a second bead in contact with an upper surface of the cylinder head, wherein the second contact unit is expanded from a lower part of the body. In addition, the inner surface and the outer surface of the body of the gasket are in parallel with each other. The gasket according to embodiments has superior tightness and buckling features to obtain operation reliability of an engine in case of driving for a long period of time.
Patent KR-20140132268-A (KR)
Inventor: LEE KWANG POK
IPC: B05B17/00
Filed: 2014-03-11
Abstract: The present invention relates to a spray for chemicals having a novel structure. According to the present invention, a chemicals supply pipe for chemicals supply can be washed with ease. According to the spray for chemicals of the present invention, a water supply means (60) is connected to a chemicals supply pipe (41), water is supplied to the chemicals supply pipe (41) via a water supply pipe (61) after spray of chemicals is completed, and the chemicals remaining in the chemicals supply pipe (41) and a spray nozzle (30) can be washed. Accordingly, clogging of the chemicals supply pipe (41) or the spray nozzle (30) due to hardening of the chemicals remaining in the chemicals supply pipe (41) or the spray nozzle (30) can be prevented. The chemicals sprayed from the spray nozzle intersects and clashes with the each other and chemicals particles are atomized so that a spray distance can be lengthened and uniform spraying can be performed. Opening and closing of an electric valve is controlled by a program-executing controller, and thus spray of chemicals, water-based washing, and air drying can be performed alternately even during a spraying operation as well as after spraying operation completion. Also, ozone and carbon dioxide can be sprayed along with the chemicals.
Patent KR-20150108464-A (KR)
Inventor: LEE SEUNG HAN
IPC: G11B20/10
Filed: 2014-03-17
Abstract: Disclosed are a method and system for storing files in a storage space of an accident image recording device. The method of the present invention comprises the following steps: opening a new file to store the file in a storage medium; confirming an empty space in which the new file can be stored, in a storage area of the storage medium; and storing the new file in the empty space if it is confirmed that the storage area has the empty space.
Patent KR-20150110141-A (KR)
Inventor: KANG MIN SOO
IPC: H01L33/58
Filed: 2014-03-24
Abstract: In a lens changing the path of light inputted from a light source according to the embodiment of the present invention, a concave part is formed in a first region facing the light source, in a second region facing the first region, a central region is concave in the direction of the central region. The surface of the concave part includes a (1-1)^th region facing the center of the light source, a (1-3)^th region of an edge, and a (1-2)^th region which is located between the (1-1)^th region and the (1-3)^th region. The curvatures of the (1-1)^th region, the (1-2)^th region, and the (1-3)^th region are different.
Patent KR-20150110215-A (KR)
Title: hangeul inputting method in appliances
Inventor: KIM KI JU
IPC: H04M1/23
Filed: 2014-03-24
Abstract: A dot (·) in a conventional Chunjiin keyboard system is divided into a small horizontal stroke (-) and a small vertical stroke (i) to solve difficulties and confusion of inputting vowels in the conventional Chunjiin keyboard system. In the Chunjiin keyboard system or a keyboard system in which a big vertical stroke (ㅣ), a small horizontal stroke (-), a small vertical stroke (i), and a big horizontal stroke (ㅡ) are used, the same vowel is continuously inputted for n times, so any one among 21 vowels of Korean alphabet can be inputted. Specifically, a vowel, which is typed for many times and is confusing when inputted by a user, can be conveniently inputted by moving a finger a little without a typing error.
Patent KR-20140047062-A (KR)
Title: Helicopter deck of a floating structure
Inventor: PARK JOO SHIN
IPC: B63B35/50
Filed: 2014-03-28
Abstract: Disclosed is a helicopter deck of a floating structure to directly support a pancake type deck structure using a steel H-beam without an aluminum H-beam. According to an embodiment of the present invention, the helicopter deck comprises the pancake-shaped deck structure comprising a plurality of deck members to be adjacently arranged in a first direction to form a seating surface of a helicopter; a plurality of steel H-beams extending in a direction vertical to the first direction and positioned below the deck structure at intervals; and a composite material which is arranged between the deck structure and each steel H-beam, which is bond to the bottom of the deck structure, and which is bolted to the top of each steel H-beam.
Patent KR-20150113466-A (KR)
Inventor: AN HEUI TAY
IPC: H04B1/40
Filed: 2014-03-30
Abstract: 통신으로 화면을 구성하는 시스템에서; 통신으로 화면을 구성하는 장치와; 통신으로 연결되는 장치와; 화면을 구성하는 명령어와; 화면을 구성하는 데이터로 구성되는 것을 특징으로 하는 화면을 구성하는 방법. 
화면 구성을 정의하고, 공유하고, 공유 된 화면 구성을 불러 와서 사용하거나 수정하여 공유하고 사용하는 것을 특징으로 하는 화면 구성 방법. 
공유 정보를 매매하는 것을 특징으로 하는 화면 구성 방법.
Patent KR-20150115325-A (KR)
Inventor: YOO MOON JONG
IPC: B62J99/00
Filed: 2014-04-03
Abstract: The present invention relates to a momentum measurement device for a bicycle using the tension of a chain and, more specifically, to a momentum measurement device for a bicycle using the tension of a chain capable of measuring a displacement occurred by the vertical movement of a lifting member, a revolutions per minute of a sprocket, and a pressure applied to the sprocket using tension applied to a chain of a bicycle when a user works a pedal of the bicycle and conveniently and accurately calculating a momentum of the bicycle user based on the measured operation data. According to the present invention, the momentum measurement device for a bicycle using the tension of a chain mounted on a bicycle to measure a momentum of a bicycle user comprises: an elastic compression part elastically compressing an upper chain of a chain to connect a crank and a sprocket to each other in a vertical direction and having a lifting rod vertically moved by tension applied to the upper chain when a pedal of the bicycle works; a sensing part having a displacement detection sensor to measure a displacement occurred by the vertical movement of the lifting rod; and an operation part to calculate a momentum of a bicycle user by operating the displacement value measured by the displacement detection sensor.
Patent KR-20150003662-A (KR)
Inventor: ISHII RYO
IPC: G09G3/30
Filed: 2014-04-10
Abstract: Provided are a pixel circuit which changes an initialization voltage according to a grayscale data voltage in each pixel, a driving method, and a display device having the same. A pixel circuit according to the present invention includes a light emitting device, a driving transistor which supplies a current according to the grayscale data voltage supplied from a grayscale data signal, a first switch which is electrically connected to the gate of the driving transistor and the grayscale data signal line and is controlled by the first control signal, a capacitor which includes a first terminal which is electrically connected to the gate of the driving transistor and a second terminal which receives a second control signal, and a second switch which is electrically connected to the gate of the driving transistor and the drain of the driving transistor and is controlled by a third control signal.
Patent KR-20150118608-A (KR)
Title: Chalcogenide Anode Materials For High Capacity Lithium Secondary Batteries
Inventor: CHUNG WOON JIN
IPC: H01M4/1395
Filed: 2014-04-14
Abstract: The present invention relates to a chalcogenide negative electrode material for a high capacity lithium secondary battery. The negative electrode material for the lithium secondary battery according to the present invention includes Sn and chalcogenide, wherein the chalcogenide includes Ge and Se. The chalcogenide negative electrode material for the lithium secondary battery according to the present invention can lower a stress of the negative electrode material due to volume expansion generated by the Sn and inhibit an irreversible reaction generated by an oxide like Li_2O and at the same time, implement high capacity making the most of the high capacity of the Sn.
Patent KR-20150118618-A (KR)
Inventor: NOH YOUNG KYU
IPC: G11C29/00
Filed: 2014-04-14
Abstract: A memory device comprises: a memory array; a test circuit for detecting a first repair address corresponding to a cell defective in the memory array in a test mode, and temporarily storing the detected first repair address; an external input circuit for temporarily storing a second repair address inputted from the outside in response to an address input command in an external input mode; and a non-volatile memory circuit including a first region and a second region for storing a repair address, responding to a first program command in the test mode to program the first repair address in the first region, responding to a second program command in the external input mode to program the second repair address in the second region, and responding to the second program command to program the first repair address when the address input command is not activated in the external input mode.
Patent KR-20150119582-A (KR)
Title: 온라인 교육 시스템 및 그 시스템에서의 계산 문제를 위한 부가 기능 제공 장치 및 방법
Inventor: LEE SANG YOUN
IPC: G06Q50/20
Filed: 2014-04-15
Abstract: 본 발명은 온라인 교육 시스템 및 그 시스템에서의 계산 문제 제공을 위한 장치 및 방법에 관한 것으로, 특히 시험 또는 학습 문제 중 계산기 기능이 필요한 문제에 대하여, 계산기 화면(UI)을 제공하고, 계산기 기능이 필요하지 않은 문제가 표시될 때에는 계산기 화면을 삭제할 수 있도록 하여 학습자가 계산기를 구비하지 않아도 된다. 또한, 본 발명에서 계산기 기능 사용 여부에 대한 선택을 출제자가 할 수 있도록 하고, 학습자가 계산기를 사용한 여부, 사용 시간, 사용시 계산한 과정과 같은 계산기 사용 정보를 서비스 장치에 저장함으로써 학습자와 출제자가 서로 해당 정보를 공유하며, 과제 해결 과정을 학습에 활용할 수 있다.
Patent KR-20150121863-A (KR)
Inventor: KIM JUN HO
IPC: F04D25/08
Filed: 2014-04-22
Abstract: The present invention relates to a motor fan functioning as a heater to be used as a fan in the summer as well as to be used as a heater in the winter by replacing a fan net and inserting a power cord connected to the net into a socket and applying power. The motor fan functioning as a heater includes: a net for hot air (4), including a plurality of coating hot wires (2) and a blow reflective collecting ring (3) to be alternately installed between a pair of circular fixing steel nets (1). The motor fan functioning as a heater can produce hot air by applying power to the coating hot wire (2). The coating hot wire (2) is made by oxide-coating a nickel and chrome line to be coated with ceramic and is continuously wound by overlapping in multiple layers in a star shape. The blow reflective collecting ring (3) is made of Teflon, a silicon tube, or heat-resisting PVC.
Patent KR-20150125200-A (KR)
Inventor: LEE WOOK JIN
IPC: H02P27/06
Filed: 2014-04-30
Abstract: The present invention provides a motor driving apparatus, a cleaner including the same, and a control method thereof, capable of removing the harmonics of a current inputted to a single phase BLDC motor without using a predetermined table or a power factor corrector (PFC). According to one embodiment of the present invention, the motor driving apparatus includes an inverter which converts the direction of the current applied to the single phase BLDC motor, and a control unit which controls the inverter to change the direction of the current based on a first voltage corresponding to an effective current among the currents applied to the single phase BLDC motor and a second voltage corresponding to a reactive current among the currents applied to the single phase BLDC motor.