baber/WOPTO huggingface dataset:
Patent KR-20090050111-A (KR)
Inventor: EHRICH ELLIOT
IPC: A61K9/00
Filed: 2005-03-18
Abstract: 본원에 기술된 발명은 날트렉손의 장기간 작용성 제형을 사용한 임상 시험 동안에 이루어진 예기치 못한 발견으로부터 비롯되었다.  그 자체로서, 본 발명은 날트렉손을 포함하는 장기간 작용성 제형을 비경구적으로 투여하는 단계를 포함하여 날트렉손을 필요로 하는 개인을 치료하는 방법, 및 이러한 방법에 사용되는 약물을 제조하는 데 있어서의 날트렉손의 용도를 포함한다.
Patent KR-20090082892-A (KR)
Title: Sheet for die sort and method of transferring chip with adhesive layer
Inventor: HAMASAKI AKIE
IPC: B65D85/86
Filed: 2007-10-12
Abstract: A sheet for die sort characterized by having a pressure sensitive adhesive layer exposed on a peripheral area of carrier sheet and having a substratum film exposed in a center area inside the peripheral area. There is provided a method of transferring a chip with adhesive layer, characterized by including providing the above sheet for die sort fixed by a frame member by means of the pressure sensitive adhesive layer of the peripheral area; temporarily adhering the adhesive layer of picked up chip to the substratum film exposed in the sheet for die sort; and transferring the sheet for die sort having the chip temporarily adhered by means of the adhesive layer to the subsequent step.
Patent KR-20090087899-A (KR)
Title: Light source
Inventor: JANSEN MARTIN
IPC: H01L33/50
Filed: 2007-10-31
Abstract: The invention relates to a light source comprising a primary radiation source and a luminescent substance, and to a method for producing this light source. The invention relates, in particular, to a method for producing an electric light source using one or more luminescent substances emitting in the visible spectrum range, and at least one primary source emitting preferably in the UV range, and which is preferably, but not exclusively, an LED. ® KIPO & WIPO 2009
Patent KR-20090083441-A (KR)
Title: Production of novel precision customized control release fertilizers
Inventor: PRASAD DURGA YANDAPALLI
IPC: C05G3/90
Filed: 2007-11-06
Abstract: Manufacturing of novel precision customized control release fertilizers such as seed encapsulation nutrients, liquid formulation treatment for roots of seedlings before transplantation or for soil application or for foliar application and fertilizer granules or tablets for effective enhancement of crop yield. ® KIPO & WIPO 2009
Patent KR-20090097897-A (KR)
Title: Light source
Inventor: SHIDA SATOSHI
IPC: F21K99/00
Filed: 2008-01-10
Abstract: A light source that restricts the heat accumulation in the phosphor. The light source includes: a substrate 5; LED elements D21, D22, D23, D41, D42 that have been implemented on a main surface of the substrate 5; projections 11 that have been formed in areas of the main surface of the substrate 5 in which any of the LED elements D21, D22, D23, D41, D42 have not been implemented; and a translucent sealing member 7 that has been formed on the substrate in a state that the LED elements D21, D22, D23, D41, D42 and the projections 11 are covered and sealed with the sealing member 7. The sealing member 7 includes a phosphor 13 that converts light from the LED elements D21, D22, D23, D41, D42 into light of a predetermined color. The heat conductivity of the projections 11 is higher than the heat conductivity of the sealing member 7.
Patent KR-20090094112-A (KR)
Title: Laser-beam working device comprising means for forming an image of the reflected annular laser radiation on a sensor unit and method for adjusting the focal position
Inventor: RAMSAYER REINER
IPC: B23K26/20
Filed: 2007-12-03
Abstract: The invention relates to a laser-beam working device (1) comprising at least one laser beam source (2), for acting on at least one workpiece (12, 25) with an annular laser focus (26). According to the invention, it is provided that means (29) for forming an image of the laser radiation (20) reflected by the workpiece (12, 25) are provided on a sensor unit (24). Furthermore, the invention relates to a method for adjusting the focal position of an annular laser focus (26) in relation to at least one workpiece (12, 25).
Patent KR-20090091218-A (KR)
Title: Measurement device and measurement method
Inventor: AOKI HIROSHI
IPC: G01B11/24
Filed: 2007-12-07
Abstract: A measurement device having a light sending section for sending light to a first direction that is the direction of the depth of a hollow, a conversion section for converting the direction of the light to the circumferential direction perpendicular to the first direction, a detection section for detecting that portion of light, the direction of which light is converted by the conversion section, that is reflected by the inner side of an object to be measured, and a shape measurement section for measuring the shapes of the inner side of the object by obtaining displacements from a predetermined reference position based on the result of detection by the detection section. The shapes of the hollow in the object can be obtained at the same time without rotating the object or a light source, and the measurement device enables highly accurate measurement. ® KIPO & WIPO 2009
Patent KR-20090087968-A (KR)
Title: Selective inhibitors of neurotensin degrading enzymes
Inventor: SMID PIETER
IPC: A61P25/16
Filed: 2007-12-12
Abstract: This invention concerns selective inhibitors of neurotensin degrading enzymes, to pharmaceutical compositions containing these compounds, to methods for preparing the compounds, methods for preparing novel intermediates useful for their synthesis, and methods for preparing compositions. The invention also relates to the uses of such compounds and compositions, particularly their use in the manufacture of medicaments for regulatingblood pressure orgastric emptying, or treating Parkinson s disease, anxiety, depression,orpsychosis. The compounds have the general formula (1) wherein the symbols have the meanings given in the specification. ® KIPO & WIPO 2009
Patent KR-20090122201-A (KR)
Title: Composition for antireflective coating
Inventor: OTOZAWA NOBUYUKI
IPC: C09D7/12
Filed: 2008-02-20
Abstract: Disclosed is a composition for antireflective coating, which enables to form an antireflection film having low refractive index without using a PFOS and PFOA having 7 or more carbon atoms. This composition for antireflective coating has low surface tension and excellent coatability. Specifically disclosed is a composition for antireflective coating, which contains a fluorine-containing surface active agent (A) composed of a compound (A1) represented by the general formula (I) below, a water-soluble polymer (B) and an aqueous medium (C). R1-O-(R2-O)n-R3-X1 (I) (In the formula, R1 represents a linear or branched perfluoroalkyl group wherein a fluorine atom at an end may be substituted by a hydrogen atom or a chlorine atom; R2 and R3 independently represent a linear or branched perfluoroalkylene group; the total number of carbon atoms of R1, R2 and R3 is 5 or less; n represents 0 or an integer of not less than 1; and X1 represents-COOH or-C(CF2Z1)(CF2Z2)OH which may form a salt. In this connection, Z1 and Z2 respectively represent a hydrogen atom, a fluorine atom, a chlorine atom or a trifluoromethyl group).
Patent KR-20090099079-A (KR)
Title: Inductively-powered gas discharge lamp circuit
Inventor: BAARMAN DAVID W
IPC: H05B41/295
Filed: 2007-12-21
Abstract: An inductively powered gas discharge lamp assembly having a secondary circuit with starter circuitry that provides pre-heating when power is supplied to the secondary circuit at a pre-heat frequency and that provides normal operation when power is supplied to the secondary circuit at an operating frequency. In one embodiment, the starter circuitry includes a pre-heat capacitor connected between the lamp electrodes and an operating capacitor located between the secondary coil and the lamp. The pre-heat capacitor is selected so that the electrical flow path through the pre-heat capacitor has a lesser impedance than the electrical flow path through the gas of the lamp when power is applied to the secondary circuit at the pre-heat frequency, and so that the electrical flow path through the pre-heat capacitor has a greater impedance than the electrical flow path through the gas when power is applied the operating frequency. The primary circuit may include a tank circuit for which the resonant frequency can be adjusted to match the pre-heat frequency and the operating frequency.
Patent KR-20100014534-A (KR)
Title: Radio communication base station device and control channel arrangement method
Inventor: FUKUOKA MASARU
IPC: H04W88/08
Filed: 2008-03-21
Abstract: Provided is a radio communication base station device which can obtain a maximum frequency diversity effect of a downstream line control channel. The device includes: an RB allocation unit (101) which allocates upstream line resource blocks continuous on the frequency axis for respective radio communication mobile stations by the frequency scheduling and generates allocation information indicating which upstream line resource block has been allocated to which radio communication mobile station device; and an arrangement unit (109) which arranges a response signal to the radio communication mobile station device in the downstream line control channels distributed/arranged on the frequency axis while being correlated to the continuous upstream line resource blocks according to the allocation information.
Patent KR-20100014613-A (KR)
Title: Vaccum treat apparatus, method of operating the same, and recording medium
Inventor: YAMAGUCHI HIROFUMI
IPC: H01L21/677
Filed: 2008-03-26
Abstract: In a vacuum treating apparatus including a treating vessel with delivery port adapted to have a vacuum atmosphere and perform treatment by a treating gas and a delivery chamber with vacuum atmosphere connected via a gate chamber to the delivery port of the treating vessel and equipped with delivery means for the pass and receipt of substrate, any diffusion of gas remaining in the treating vessel into the delivery chamber is suppressed. The vacuum treating apparatus comprises the treating vessel, the delivery chamber and a gate valve provided in the gate chamber so that the delivery port is closed when the substrate is treated in the treating vessel while the delivery port is opened when the pass and receipt of substrate for the treating vessel are carried out. In order to suppress any diffusion of gas remaining in the treating vessel into the delivery chamber, the gate chamber is furnished, at its position facing the delivery port, with a gate chamber inert gas supply part and a gate chamber exhaust port adapted to produce a stream of inert gas. This suppresses any diffusion of gas remaining in the treating vessel through the delivery port into the delivery chamber.
Patent KR-20100014640-A (KR)
Title: A universal television receiver
Inventor: OUSLIS CHRIS
IPC: H04N19/89
Filed: 2008-03-12
Abstract: Various embodiments are described herein for a universal television receiver that is capable of processing television channel signals broadcast according to a variety of analog and digital broadcast standards.
Patent KR-20100014735-A (KR)
Title: Low-viscosity polymer mixture
Inventor: MULLER ROLF
IPC: C08L23/00
Filed: 2008-03-20
Abstract: The invention relates to a low viscosity additive which allows the methods for processing plastics to be considerably accelerated while the properties of the final products remain the same or are improved. According to the invention, the polymer mixture is admixed to the plastics like an additive. The invention also relates to the production of suitable polymer mixtures of the above type and to their use.
Patent KR-20100047190-A (KR)
Title: Substituted piperazines
Inventor: GANT THOMAS G
IPC: C07D295/15
Filed: 2008-06-12
Abstract: Disclosed herein are substituted piperazine late Na+ channel modulators of Formula (I), process of preparation thereof, pharmaceutical compositions thereof, and methods of use thereof.
Patent KR-20100018568-A (KR)
Title: Novel sweetener having sugar-like taste and production method and use of the same
Inventor: OKUMA KAZUHIRO
IPC: A23L27/30
Filed: 2008-05-19
Abstract: [PROBLEMS] To develop a method of producing a novel sweetener containing glucose, fructose and psicose which is produced from glucose-liquid sugar with the use of isomerase and epimerase; a method of using this novel sweetener as a material for foods and drinks; and a novel sweetener whereby obesity caused by eating can be prevented. [MEANS FOR SOLVING PROBLEMS] A novel sweetener (product) sustaining the degree of sweetness and sweetness qualities of a glucose/fructose liquid mixture and yet not causing obesity because of having been obtained by treating glucose-liquid sugar, which is produced in a glucose-liquid sugar production plant, with isomerase and epimerase to thereby form D-psicose and use of the same.
Patent KR-20100057759-A (KR)
Title: Method for retransmitting multicast frames and method for processing received multicast frames in wireless network
Inventor: SEOK YONG HO
IPC: H04L1/16
Filed: 2008-10-10
Abstract: PURPOSE: A method for retransmitting multicast frames and a method for processing received multicast frames in wireless network are provided to remove a frame received redundantly by identifying retransmission of a multicast frame using a reception part address and a sequence number. CONSTITUTION: A transmitter device transmits a first multicast frame(S11). The first multicast frame is composed of data frame. It is determined whether retransmission of the transmitted first multicast frame is necessary(S12). It is determined whether a station for supporting retransmission is included in a BSS(Basic Service Set) by determining the necessity of retransmission of the first multicast frame.
Patent KR-20110082889-A (KR)
Title: A green sheet of seal layer of plasma display panel
Inventor: LIM MUN HYUK
IPC: H01J17/18
Filed: 2010-01-12
Abstract: PURPOSE: A green sheet for a seal layer of a plasma display panel is provided to make the seal layer arranged between a front substrate and rear substrate by using the green sheet, thereby minimizing a core width. CONSTITUTION: A slurry is spread in one side of a base film(213). The slurry(215) includes a glass frit of 70 to 85 weight part, a binder of 7 to 20 weight part, and a solvent of 3 to 10 weight part. The binder includes a first binder of 20 to 100 weight part, a second binder of 5 to 80 weight part, and a third binder of 1 to 20 weight part. The base film in which a coating(217a) of the slurry is formed is transferred to a dryer(218). A seal layer is arranged between a front substrate and a rear substrate.
Patent KR-20110084641-A (KR)
Title: Seismic isolation structure for building
Inventor: KIM SOO DEUK
IPC: E04H9/02
Filed: 2010-01-18
Abstract: PURPOSE: A vibrating isolation structure of a building is provided to facilitate a design and construction of a building. CONSTITUTION: A vibrating isolation structure of a building comprises an elastic post(22), a second concrete layer(30), a rubber-sand mixing layer(40) and a sand layer(50). The elastic post is elastically transformed to the upward and downward. The second concrete layer is installed on the top of the elastic post. The rubber-sand mixing layer is installed between a basis(2) of a building and the second concrete layer. The rubber-sand mixing layer is formed on the base part circumference of the building. Sand and rubber particle are mixed in the rubber-sand mixing layer. The sand layer is charged in the elastic post around between the second concrete layer and the first concrete layer. An attenuation chamber(60) is formed on bottom or top of the elastic post.
Patent KR-20110085112-A (KR)
Title: Refrigerator
Inventor: CHOI BONG JUN
IPC: F25D23/06
Filed: 2010-01-19
Abstract: PURPOSE: A refrigerator is provided to increase the capacity of the refrigerator by minimizing the thickness of a barrier and to independently controlling the temperature of freezer and refrigerator compartments. CONSTITUTION: A refrigerator comprises a cabinet, a barrier(100), evaporators(110), blowing units(130), and barrier covers. The cabinet has a storage. The barrier divides the storage into freezer and refrigerator compartments. Recess parts are formed on both sides of the barrier. The evaporators are formed inside the recess parts. The blowing units are formed in the recess parts and independently circulate cold air of the freezer and refrigerator compartments. The barrier covers cover the recess parts.
Patent KR-20110092723-A (KR)
Title: System and method for managing contents and recording medium
Inventor: PARK EUN KYUNG
IPC: G06Q30/02
Filed: 2010-02-10
Abstract: PURPOSE: A content managing method and system and recording medium therefor are provided to increase the resolution of advertisement data included in video content thorough a sequential/hierarchical advertisement method. CONSTITUTION: An advertisement data receiving unit(105) receives advertisement keyword information, advertisement category information, and one or more video category information. An advertisement data storage unit(110) establishes a matched video category and the advertisement category as a first advertising target video category about advertisement data. A content managing system includes content providing method outputting the advertisement data to a user terminal trough the advertisement content. A video content storing method stores storage medium(1) and connects the video category information to the advertisement data.
Patent KR-20110094465-A (KR)
Title: A land grid array package capable of decreasing a height difference between land and solder resist
Inventor: LEE HEE CHUL
IPC: H01L21/60
Filed: 2010-02-16
Abstract: PURPOSE: A land grid array package capable of decreasing a height difference between a land and a solder resist are provided to suppress the crack of a semiconductor chip by forming a support layer lower than a solder resist layer which is arranged in the bottom of the substrate. CONSTITUTION: In a land grid array package capable of decreasing a height difference between a land and a solder resist, a semiconductor package manufacturing substrate comprises a plurality of lands(104) on the bottom. A semiconductor chip is loaded on the top of a substrate. A connection member connects the semiconductor chip to a substrate. A support layer(118A) is partly installed on the land surface of the substrate. The height of the support layer is lower than the solder resist which is formed on the substrate.
Patent KR-20100100636-A (KR)
Title: Semiconductor device and method for manufacturing the same
Inventor: SAKATA JUNICHIRO
IPC: H01L29/786
Filed: 2010-03-03
Abstract: PURPOSE: A semiconductor device and a method for manufacturing the same are provided to form a metal oxide region with a high resistance on a buffer layer by forming a metal film and selectively oxidizing the metal film. CONSTITUTION: A gate electrode layer(401) is formed on a substrate with an insulating surface. A gate insulating layer(402) is formed on the gate electrode layer. An oxide semiconductor layer(403) including a channel formation region is formed on the gate insulating layer. A buffer layer(404) is formed on the oxide semiconductor layer. A source electrode layer(405a) and a drain electrode layer(405b) are formed on the buffer layer.
Patent KR-20110101336-A (KR)
Inventor: KIM YOUNG ROC
IPC: G01R31/12
Filed: 2010-03-08
Abstract: 본 발명은 회로 구성을 극히 단순화시켜 높은 제조단가 및 오동작 문제를 해결할 수 있고 보다 정확하고 구현하기 쉬운 지락 검출회로장치 및 지락 검출방법을 제공하는 데 목적이 있으며, 또 단순히 지락 발생 유무만 검출하는 게 아니라 직렬 연결된 다수의 태양전지 모듈 사이에서 발생한 지락 사고 지점을 정확히 찾아낼 수 있도록 하는 수단을 제공하는 데 있다. 
이를 위해 본 발명의 직류 전선로의 지락 검출회로장치는 직류 전선로의 P(+)측과 N(-)측 사이에 직렬로 삽입되어 있는 분압저항 (R1)과  (R2)를 구비하며,  상기 분압저항    (R1)과  (R2)의 공통접속점(G)을 접지시켜 형성한 분압저항회로부(2)와;  상기 분압저항 (R1)과 (R2) 각각의 양단에 걸리는 전압(V PG )(V GN )과 (R1),(R2) 전체에 걸리는 전압(V PN )의 3개의 전압을 입력받아 상기 입력받은 고압의 전압을  저압레벨로 강압시키는 분압저항(5)과, 상기 분압저항(5)에서 출력되는 저압 아날로그 신호로부터 고주파신호 잡음을 제거하는 저역통과필터(6)를  포함하는 전압센싱부(3); 및 상기 전압센싱부(3)의 저역통과필터(6)로부터 아날로그 신호를 입력받아 A/D 변환하여 디지탈 값으로 수치화시킬 수 있는 A/D 변환기와, 실시간으로 수치화된 상기 디지탈 값을 가지고 지락여부를 판단하여 지락사고 발생시 태양광 발전기에 신호를 보내거나 알람을 발생시키는 MPU를 구비한 제어부(4);를 포함하여 구성되어 있다.
Patent KR-20110101555-A (KR)
Inventor: PARK SEONG EUN
IPC: H01L33/08
Filed: 2010-03-09
Abstract: 본 발명은 질화물 반도체 발광소자 및 그 제조방법에 관한 것으로서, n형 전극; 상기 n형 전극 하면에 형성되고, 하부에 서로 다른 크기를 갖는 제1 홈, 제2 홈 및 제3 홈이 수평선상에 서로 이격되어 형성된 n형 질화물 반도체층; 상기 제1, 제2 및 제3 홈을 노출시키도록 상기 n형 질화물 반도체층의 하면에 형성된 제1 절연막; 상기 제1, 제2 및 제3 홈의 내부에 각각 형성된 적색 활성층, 녹색 활성층 및 청색 활성층을 구비하는 활성층; 상기 활성층 및 상기 제1 절연막의 하면에 형성된 p형 질화물 반도체층; 상기 p형 질화물 반도체층 하면에 형성된 p형 전극; 및 상기 p형 전극 하면에 형성된 구조지지층;을 포함하는 질화물 반도체 발광소자를 제공하며, 또한 본 발명은 상기 질화물 반도체 발광소자의 제조방법을 제공한다.
Patent KR-20110101695-A (KR)
Inventor: MIN GU YOUNG
IPC: E01C13/02
Filed: 2010-03-09
Abstract: 본 발명은 그린 배수 및 통기 시스템을 제공하고자 하는 것을 목적으로 하는 것으로, 본 발명의 구성은 내부에 격판(26)을 기준으로 하부에 워터 유입부(22)가 구비되고 상부에는 펌프 내장부(24)가 구비되어 상기 그린(10)의 하측 지중에 매설되는 배럴(20)과, 상기 배럴(20) 내부의 상기 격판(26) 위에 지지되어 상기 펌프 내장부(24)에 설치된 진공펌프(30)와, 상기 진공펌프(30)의 일측 위치에 기단부가 결합되어 내부의 소통로 상에 구비된 오리피스부(52)가 상기 배럴(20)의 상기 워터 유입부(22)에 연통되며 선단부는 상기 그린(10) 위로 연통되어 상기 진공펌프(30)의 구동에 따라 상기 그린(10) 부분으로 대기의 공기를 빨아들이도록 유도하는 진공 흡입관(40)과, 상기 진공펌프(30)의 타측 위치에 기단부가 연결되고 선단부는 상기 격판(26)을 관통하여 상기 배럴(20)의 상기 워터 유입부(22) 내부로 연통된 연결관(40)을 포함하는 것을 특징으로 한다.
Patent KR-20110104256-A (KR)
Inventor: OH WHAN GYU
IPC: A63B53/00
Filed: 2010-03-16
Abstract: 상단부에 그립이 형성된 샤프트; 상기 샤프트의 하단부에 연결되며, 다수의 센서가 구비된 전자회로 및 상기 전자회로에 직류 전원을 공급하기 위한 건전지 수납부를 내장하고, 상기 다수의 센서로부터 제공되는 신호를 바탕으로 샤프트를 이용한 스윙 정보를 출력하는 컨트롤 박스; 및 상기 컨트롤 박스에 나사결합 방식으로 연결되는 중량추를 포함하여 이루어지는 골프 스윙 연습장치에 있어서, 건전지와 전자회로를 전기적으로 연결하거나, 건전지와 건전지를 전기적으로 연결하기 위해 상기 건전지 수납부에 구비되는 양극용 전극 및 음극용 전극이 탄성 또는 텐션을 갖는 스프링으로 이루어지는 것을 특징으로 하는 골프 스윙 연습장치.
Patent KR-20110106529-A (KR)
Inventor: JEON JAE KWON
IPC: A47J47/20
Filed: 2010-03-23
Abstract: 본 발명은 가정이나 식당의 주방이나 매장에 설치하여 물품을 올려놓기 위해 사용되는 선반에 관한 것으로, 더욱 상세하게는 물품을 올려놓는 선반부와, 이 선반부를 벽면에 설치하기 위한 지지베이스를 분리 가능하게 구성하며, 지지베이스의 전면부에 다양한 장식적 요소를 제공할 수 있는 공간을 구비한 주방용 조립식 선반에 관한 것으로서, 걸이구 수용부(2)와 걸이구삽입공(3)이 형성된 고정브라켓(1)으로 구성되는 고정부(B); 선반프레임(10)과, 이 선반프레임(10) 하부에 형성되는 선반받침 프레임(11), 이 선반받침 프레임(11) 상부에 안착 되는 선반(12)과, 상기 선반프레임(11) 후방의 중앙부에 상측으로 연장되는 지지프레임(15)을 구비한 선반조립부(S); 후면부에 상기 지지프레임(13)이 수용되는 지지프레임수용부(22)를 형성한 수용공간부(21)와, 나사체결공(23)을 구비한 선반지지대 본체(20),  
상기 수용공간부(21)를 외부와 차단하도록 하고, 상단부에 선반걸이구(31)가 형성되며, 후면 상부에는 지지프레임수용부(33)가 형성되고, 하단부의 외면에는 하부받침대(32)를 형성한 후면커버(30), 상기 지지프레임 본체(20)의 전면에 결합되어 장식효과를 제공하기 위한 전면커버(40)를 구비한 지지대조립부(P);로 구성하는 것을 특징으로 하는 주방용 조립식 선반을 제공하는 것이다.
Patent KR-20100110264-A (KR)
Title: Optical sheet, optical sheet production method, surface-emitting apparatus, and liquid crystal display apparatus
Inventor: HIRAI NORIYUKI
IPC: G02F1/1335
Filed: 2010-03-23
Abstract: PURPOSE: An optical sheet, a method for manufacturing an optical sheet, a surface light emitting device, and a liquid crystal display device are provided to suppress deformation due to heat expansion of an optical sheet, thereby providing the surface light emitting device and the liquid crystal display device with small brightness blurs. CONSTITUTION: A sheet body(13s) is formed by a single light transmitting resin material layer. The sheet body includes the first surface(13a) for light incoming and the second surface(13b) for light emitting. The sheet body is aligned in the first and second in-plane axial directions which are orthogonal each other. A linear expansion coefficient of all directions in a surface is 1.0 x 10E-5/°C. A structural surface part(13p) is formed on at least one of the first surface and the second surface. The structural surface part includes a geometric configuration.
Patent KR-20110106768-A (KR)
Inventor: BAEK BYEONG YEOL
IPC: F03D3/00
Filed: 2010-03-23
Abstract: 가)기술분야 : 가변 피치 프로펠러 
나)해결하고자 하는 과제 : 기존 소형 풍력 발전기는 풍량이 많은 경우 너무 빨리 회전하여, 발전장비 및 프로펠러 베어링의 과도한 마모와 초래하고, 일정한 발전량을 유지할수 없다.  
다)과제해결수단 : 고정식 프로펠러가 아닌, 각도가 조절되는 프로펠러를 장착하고, 스프링을 연결하여, 양력의 가감에 따라 프로펠러 피치가 조절되도록 한다.         
라)효과 : 풍량의 가감에 따라 피치가 조절되므로, 프로펠러가 항상 일정한 속도로 회전하게 해주고, 과속도를 방지해 준다.