baber/WOPTO huggingface dataset:
Patent KR-20090001935-A (KR)
Title: System and method for auto-changing official authority and program recording medium
Inventor: HA OK SANG
IPC: G06Q10/06
Filed: 2007-05-29
Abstract: A system and a method for auto-changing official authority are provided to reduce time needed for changing official authority corresponding to personnel changes in a company, thereby making work efficiency higher. A system and a method for auto-changing official authority comprise the following units. A ledger information server(100) is composed of an interface providing unit(110) and an information receiving unit(115). The interface providing unit generates user interface and provides the user interface to an information registering terminal(130). The information receiving unit connected to the interface providing unit receives the ledger information. An information storing unit(120) stores staff information and ledger information which gives access to a certain staff.
Patent KR-20080105414-A (KR)
Title: 절단/박피날
Inventor: KIM TAE SOO
IPC: H02G1/12
Filed: 2007-05-31
Abstract: 본 발명은 상하이동기구에 장착되어 상하로 이동가능한 상 절단/박피날(10)과 베이스에 고정적으로 장착된 하 절단/박피날(20)을 한 쌍으로서 포함하고 있는 절단/박피날에 관한 것으로서, 상기 상하 절단/박피날(10, 20)은 서로 마주한 상태에서 수직방향으로 소정 간격 이격되어 있으며, 상기 상하 절단/박피날(10, 20) 각각은 동일한 형상으로 되어 있으며, 그 선단부의 각각이 V자형 날부분(11, 21)을 가지고 있고 그리고 그 기단부 각각은 상하이송기구에 장착되기 위한 관통구멍(12)과 베이스에 장착되기 위한 관통구멍(22)이 중앙에 형성되어 있는 것으로 되어 있다. 
       
     상 절단/박피날, 하 절단/박피날, V자형 날부분, 관통구멍
Patent KR-20080105722-A (KR)
Title: Circuit and method for temperature sensing using dll
Inventor: KIM JIN GOOK
IPC: G01K7/00
Filed: 2007-06-01
Abstract: A temperature sensing circuit and method using a delay locked loop are provided to automatically perform a temperature calibration operation and enable accurate temperature sensing. A temperature sensing circuit using a delay locked loop includes a fixed delay unit(100) which receives an external clock signal and generates a fixed delay pulse signal having a uniform delay all the time irrespective of temperature, a variable delay unit(200) which has a chain structure of a plurality of temperature-dependent delay cells, receives the external clock signal and generates a plurality of variable delay pulse signals having different delays, and a controller(300) which senses a set temperature according to a phase difference between a single variable delay pulse signal selected from the variable delay pulse signals and the fixed delay pulse signal.
Patent KR-20080107498-A (KR)
Title: Wireless headset having rotatable earpiece and method for controlling mode change thereof
Inventor: PARK JONG MYUNG
IPC: H04R3/00
Filed: 2007-06-07
Abstract: A wireless headset and a method for controlling mode change of the headset are provided to make a user identify a current stat or mode of the wireless headset by changing a mode of the wireless headset according to the position of the earpiece of the wireless headset. A wireless headset includes a main body, a connection part, an earpiece(30), a position sensing unit(51a,51b), and a controller. The main body has a combining surface(24) in one side. The connection part is formed in the combining surface. The earpiece is connected to rotate the connection part with regard to the main body by the axis of rotation. The position sensing unit senses the position of the earpiece. The controller performs the mode change between a standby mode and a communication mode according to the sensed position of the earpiece from the position sensing unit.
Patent KR-20080112443-A (KR)
Inventor: KIM MAL SIK
IPC: F04D19/04
Filed: 2007-06-21
Abstract: 본 발명에서 개발하게 될 DCIP(Dual Cell Ion Pump, 이중셀 이온펌프)는 어떤 공간의 내부를 배기하여 진공상태로 만드는 펌프 중 초고진공 혹은 극초고진공 상태의 진공영역으로 만들 수 있는 진공펌프로; 
     현재 제품의 구조에서 다른 메카니즘을 적용하여, 이온펌프(Ion Pump)의 한계진공도(Ultimate Pressure)인 1 x 10 -10  torr 보다 더 나은 극초고진공(Extreme Ultra High Vacuum)인 5 x 10 -11  torr(일반적으로 Middle 11승이라 명명함) 이하에 도달할 수 있는 DCIP(Dual Cell Ion Pump)의 개발에 관한 내용이다. 
     
     이온펌프, 진공펌프, 진공, 페닝방전, 이중셀, 듀얼셀이온펌프
Patent KR-20090002193-A (KR)
Title: Light emitting device
Inventor: LEE KWANG CHEOL
IPC: H01L33/50
Filed: 2007-06-21
Abstract: A light emitting device is provided to make the vegetable in the refrigerator to be fresh and integrate the white light and the green light. In the main board(101), one or more light-emitting diode packages(100) is arranged into the specified direction. A surface light source comprises an LGP(Light Guide Plate)(150) and a reflector(155). The entrance face of the light guide plate is arranged to correspond to the exit face of the first and second lighting-emitting areas(120,130) in order to disperses the light which is income from the lighting-emitting area into the output whole region. One end of the reflector is extended to the upper of the light-emitting diode package. The light coming out from the light-emitting diode package is guided directly to the light valve. A driving control section(105) is positioned on the rear side of the main board. The driving control section selectively controls an on/off of a first lighting-emitting area(120) and a second lighting-emitting area(130).
Patent KR-20080112575-A (KR)
Title: Method of coating barium zircon oxide
Inventor: LEE WON TAE
IPC: H01L21/203
Filed: 2007-06-21
Abstract: A barium zircon oxide coating method is provided to improve the quality of a coated device since the BaZrO3 coating is elaborately formed. A BaZrO3 coating method comprises: a step for mounting a BaZrO3 target and substrate to a DC magnetron sputter; a step for injecting gas for reaction into a sputter; and a step for authorizing impulse current to the target and depositing a target material on the substrate. The Ca, Ba, Y and Sr are added to the target. The impulse current is applied to the frequency range of 100 kHz - 500 kHz.
Patent KR-20090006484-A (KR)
Title: System and method for relay processing consumption borrowing and lending transaction and program recording medium
Inventor: KIM JAE HYUNG
IPC: G06Q40/02
Filed: 2007-07-11
Abstract: A method and a system for relaying a consumption loan, and a recording medium thereof are provided to enable an individual to join in consumption loan transaction by forming a consumption loaner group and automatically transacting the consumption loan for money of a member belonging to the consumption loaner group. An information storing unit(925) stores consumption loan condition of each consumption loaner group to a storage medium. An information comparator(905) compares the consumption loan condition registered by customers with the consumption loan condition stored in the storage medium. An information processor(910) relays consumption loan transaction between the customers and a consumption loaner group based on a comparison result. Group opening servers(100,300,500) opens the consumption loaner group by grouping consumption loaners suggesting the same condition.
Patent KR-20090007937-A (KR)
Title: 시멘트 레미탈 운반용 지게
Inventor: LEE SUN HO
IPC: E04G21/00
Filed: 2007-07-16
Abstract: 시멘트, 레미탈을 운반하는데 너무 힘들고, 쉽게 운반 할수 있는 방법을 찾다가 발명하였습니다. 
       
     합판, 고무패킹, 끈, STEEL.
Patent KR-20090008495-A (KR)
Title: 흑 마늘의 제조방법
Inventor: BYUN KWANG WOO
IPC: A23L27/10
Filed: 2007-07-18
Abstract: 본 발명은 생마늘을 갈변화 시키는 방법에 관한 것으로, 생마늘 자체에 온도, 수분, 시간 등의 변화를 주어 마늘 고유의 효능은 그대로 살리면서 마늘 특유의 냄새가 감소되고, 단맛이 증가된 젤리형태의 검은색 마늘의 생산방법에 관한 것이다. 특히 마늘의 수분함량 조절로 최종 제품의 식감을 좋게 할 수 있고, 온도 및 시간의 조절로 갈변의 농도를 자유롭게 하면서 단기간에 흑마늘을 생산하는 방법을 제공하는 것이다. 
     마늘, 수분, 갈변화, 흡광도, 반응속도, 고형분
Patent KR-20090008639-A (KR)
Title: Button unit for an electronic control apparatus in a vehicle
Inventor: KIM EUNG YOUNG
IPC: B60R16/00
Filed: 2007-07-18
Abstract: A button unit for an automobile electric control apparatus is provided to reduce the cost by sensing a button operating signal using one switch. A button unit for an automobile electric control apparatus comprises a controller rotatably connected to a cover of the automobile electric control apparatus, an extension bar(22) which extends from a rotary shaft(24) of the controller to an inner part of the electric control apparatus such that the extension bar rotates oppositely to the controller when the controller rotates, and which has a fork part(23) formed on a front end thereof, and a switch(42) which is disposed within a rotation radius of the fork part such that the switch can be rotated by the interference of the fork part when the extension bar rotates.
Patent KR-20090008927-A (KR)
Title: Folder type mobile terminal
Inventor: LEEM NACK HYUN
IPC: H04B1/38
Filed: 2007-07-19
Abstract: A portable terminal including a touch panel for reducing the thickness of the portable terminal is provided to allow an operation part generating an input signal to be composed in thin thickness. A portable terminal comprises a first body(110) and a second body(120). The second body is composed to slide the first body. The first and the second body are comprised in order to be opened and closed by an operation of a slider member. A supporting member(220) supporting an input signal generation part(210) is arranged to the receiving part(A) of the first and the second body. The first and the second bodies include front cases(112,121) and rear cases(111,122). The supporting member is mounted in a state supported by one among the front case or the rear case.
Patent KR-20090011119-A (KR)
Inventor: LEE JONG EUN
IPC: B60G7/00
Filed: 2007-07-25
Abstract: 본 발명은 전륜 구동 차량의 D단이나 R단 급 발진을 ETACS(30)로 감지할 때, 작동 매체인 유압을 이용하여 현가 장치(S)를 이루는 어퍼·로어 암(1,2)의 길이를 가변시켜 액슬(A)의 노우즈 업-다운(Nose Up-Down)현상을 차단시켜 줌에 따라, 차량의 D단 급 발진이나 또는, R단 급 발진 시 발생되는 액슬(A)의 노우즈 업-다운(Nose Up-Down)에 따른 추진 축(P)의 정렬 각 변화가, 추진 축(P)의 센터 베어링 마운팅 부위를 통하여 진동과 소음을 실내로 전달하는 현상을 방지하는 특징이 있게 된다. 
       
     액슬, 추진축, 노우즈업다운
Patent KR-20090015403-A (KR)
Title: Liquid crystal display device
Inventor: JANG YONG HO
IPC: G02F1/133
Filed: 2007-08-08
Abstract: A liquid crystal display device is provided to prevent the distortion of common voltage which may be caused by the data voltage supplied to data lines by arranging common lines and the data lines so that they cannot be crossed, thereby improving the image quality. A liquid crystal display device comprises the followings: the first pixel region column(PX1) which includes a plurality of the first pixel regions(P1) and is arranged in the first direction; the second pixel region column(PX2) which includes a plurality of second pixel regions(P2) and is arranged in the first direction; a plurality of gate lines which are arranged in the second direction between adjacent pixel regions within each pixel region column; the first data line(23) which is arranged in the first direction at one side of the first pixel region column; the second data line(25) which is arranged in the first direction at one side of the second pixel region column; and a common line which is arranged in the first direction between the other sides of each pixel region column.
Patent KR-20090017198-A (KR)
Title: Apparatus for ultra-sonic cleaning during preprocessing printed circuit board
Inventor: YU MI SUN
IPC: H01L21/304
Filed: 2007-08-14
Abstract: A cleaning device for the printed circuit board is provided to focus the supersonic vibration on the substrate by setting up the guide panel in both sides of the substrate. The vibrator(130) for ultrasonic generation is prepared in the bottom of the process bath(100) for the cleaning solution. The frequency range of the ultrasonic wave of the vibrator is the megasonic of 700 kHz ~ 1.2 MHz. The pair of guide panel(120) is installed in both sides direction of substrate to focus uniformly supersonic vibration on the surface of the substrate(140). The shower device spreads cleaning solution to the substrate surface when raising the substrate to exhaust.
Patent KR-20090021853-A (KR)
Title: 조형물의 소재가 되는 에이엘씨블럭의 외곽면 가공장치
Inventor: LEE DONG CHEOL
IPC: B44B1/00
Filed: 2007-08-28
Abstract: 본 발명은 고속으로 회전하는 ALC블럭의 측면에 커터를 접촉시켜 ALC블럭의 외곽면을 면취 가공토록 한 조형물의 소재가 되는 ALC블럭의 외곽면 가공장치를 제공한다. 
     이를 구현하기 위한 본 발명은 일정형태로 성형된 ALC블럭이 안치되는 회전판을 가지는 다이와, 상기 다이의 상면에 위치하며 모터의 동력으로 회전 동작하는 스핀들과, 상기 스핀들과 동력전달수단으로 연결되며 상기 동력전달수단을 통해 상기 스핀들을 상, 하 수직으로 동작시키는 회전실린더와, 상기 스핀들의 하면에 결합되며 상기 스핀들의 하강동작에 따라 상기 회전판에 안치되어 있는 ALC블럭의 상면에 가압한 상태에서 상기 스핀들의 회전동작으로 상기 ALC블럭을 고속 회전시키는 구동툴과, 상기 다이의 일측에 설치되며 핸들의 동작에 따라 전, 후 수평으로 이동하며 고속으로 회전하는 ALC블럭의 외곽면에 접촉되며 상기 ALC블럭의 외곽면을 면취 가공하는 커터를 포함하여 구성한 것을 기술적 요지로 한다. 
       
     에이엘씨블럭, 조형물, 회전판
Patent KR-20090022440-A (KR)
Title: A multi-functional air cleaner for sterilization, dust collection and humidification
Inventor: JANG YOUNG JOON
IPC: B01D47/02
Filed: 2007-08-30
Abstract: A multi-functional air cleaner having a sterilization, a dust collection and a humidification function is provided to remove dust particles by collecting the dust particles in the air to a solution. A multi-functional air cleaner having a sterilization, a dust collection and a humidification function comprises the followings: an indoor air inlet(10) inhaling external air and installed on an upper part; a sterilization and dust collecting unit(20) storing a germicide solution cleansing the inhaled air; a purified air outlet(30) including moisture and exhausting the air in which the harmful germ and dust are removed; and a water outlet(40) discharging the germicide solution.
Patent KR-20090022922-A (KR)
Title: Method and system for creating interface
Inventor: EOM YOUNG IK
IPC: H04B1/40
Filed: 2007-08-31
Abstract: An interface generating method and an apparatus therefor are provided to generate an adaptive user interface for a home network by using the user profile and device profile of a preset form. An input unit(110) receives the user profile and device profile from the outside so as to correspond to a predetermined type, and then outputs them to an interface constructing unit(120). The interface constructing unit generates interface information by using the inputted user profile and device profile, and then outputs the generated result to an interface conversion unit(130). The interface conversion unit performs the transcoding for the received interface information by using a transcoder corresponding to the property of an output device.
Patent KR-20090030139-A (KR)
Title: Multi-layer printed circuit board
Inventor: CHONG MYUNG GUN
IPC: H05K3/46
Filed: 2007-09-19
Abstract: A multi-layer printed circuit board is provided to obtain the thin form and high intensity by heterogeneously forming the insulating layer for insulation function. The metallic pattern layer(10) is formed in one side or both sides of the insulating layer. The insulating layer is made of two different materials. The part of insulating layer(20) is made of the resin including glass fiber. The rest of insulating layer(30) is made of resin including carbon fiber, graphite fiber or their mixture. The rest insulating layer is made of multi-layers.
Patent KR-20090034117-A (KR)
Title: Optical system
Inventor: JEONG HYE JUNG
IPC: G02B9/34
Filed: 2007-10-02
Abstract: An optical system is provided to reduce a lens mold cost by arranging a second lens and a third lens to symmetrize the same lenses around an axis. An optical system includes a first lens(110), a second lens(120), a third lens(130), and a fourth lens(140) which are successively arranged from an object. The second lens and the third lens are arranged to symmetrize the same lenses around the axis between the second lens and the third lens. The first lens has both convex surfaces. The first lens has a positive refractive index. The second lens is comprised of a meniscus lens with a convex surface in an object side. The second lens has a negative refractive index. The third lens is comprised of the meniscus lens with an upper convex surface. The fourth lens has the convex surface. The iris diaphragm is positioned between the second lens and the third lens.
Patent KR-20080096345-A (KR)
Title: Portable terminal with dual axis hinge apparatus
Inventor: PARK MYOUNG HOON
IPC: H04B1/38
Filed: 2007-10-05
Abstract: A portable terminal using dual axis hinge is provided to improve the structure of the terminal by restricting a rotation of a hinge of two hinges, when the other hinge is in rotation action. A hinge apparatus(200) provides a first and a second hinge axis(A1,A2) which are vertically positioned. The second housing is combined through the hinge apparatus in the first housing and operates together around the first or the second hinge axis. The second housing rotates around the first hinge axis and unfolds to the upper direction of the first housing, or rotates around the second hinge axis and unfolds to the one side of the first housing. The hinge device comprises a hinge base(201) connected with the first housing, a hinge housing(202) which are connected to the hinge base and rotates around the first hinge axis, and a hinge shaft(203) which is connected to the hinge housing and rotates around the second hinge axis.
Patent KR-20090035768-A (KR)
Title: Organic light emitting device and method for manufacturing of the same
Inventor: KANG SUN KIL
IPC: H01L51/52
Filed: 2007-10-08
Abstract: An organic electroluminescent display device and manufacturing method thereof can prevent the crosstalk phenomenon by insulating the second bottom electrode at each pixel by using the bank layer. The gate electrode(110) is formed on the substrate(100). The gate insulating layer(115) is formed on the gate electrode. The semiconductor layer(120) is formed on the gate insulating layer. The source electrode(125a) and drain electrode(125b) are formed on the semiconductor layer. The first bottom electrode(140) is electrically connected with the drain electrode. The bank layer(145) exposes the partial region of the first bottom electrode. The second bottom electrode(150) is formed on the first bottom electrode and bank layer. The light-emitting layer(160) is formed on the second bottom electrode. The top electrode(170) is formed on the light-emitting layer.
Patent KR-20090037768-A (KR)
Title: Sandwich panel
Inventor: OH EUN YEONG
IPC: E04C2/36
Filed: 2007-10-12
Abstract: A sandwich panel is provided to prevent environmental contamination and to improve heat resistance by filling organic material between a finishing sheet and a wood heart. A sandwich panel is composed of a pair of finishing sheets(200) each facing, one or more heart wood(100) inserted between a pair of finishing sheet, and a filler(201) filled in an empty space formed between the finishing sheet and the wood heart. The one or more heart wood is contacted with two or more finishing sheets. The filler is partly or entirely filled in an empty space. Each element is made of the flame resisting or the noncombustible material.
Patent KR-20080037551-A (KR)
Title: Solder ball mounting method and solder ball mounting substrate manufacturing method
Inventor: SAKAGUCHI HIDEAKI
IPC: H01L21/60
Filed: 2007-10-24
Abstract: A solder ball mounting method and a method for manufacturing a solder ball mounting substrate are provided to prevent the separation of a solder ball from a flux by using the flux being not protruded from an upper surface of an insulating material. An insulating material is formed on a substrate(1) having a first opening and a second opening(7). The first opening is formed on a position opposite to an electrode(3). The second opening is formed on a position on which a mask is arranged to expose the substrate. A first mask whose thickness is identical to that of the insulating material, is arranged on the second opening. A flux(9) is filled in the first opening by using the first mask. The first mask is removed from the substrate. A second mask having a mask unit(11) and a support unit(13) is arranged on the substrate so that the support unit is located on the second opening. A ball feeding opening(12) is formed on the mask unit. The support supports the mask unit by being separated from the flux. The solder ball is mounted on the flux formed on the electrode by using the second mask. The second mask is removed from the substrate. The solder ball is joined to the electrode.
Patent KR-20090043865-A (KR)
Inventor: LEE SANG GIL
IPC: G02F1/133
Filed: 2007-10-30
Abstract: 액정 표시 장치 및 그의 구동 방법이 제공된다. 액정 표시 장치는, 액정 패널 및 액정 패널로 광을 제공하는 다수의 발광 블록으로서, 각 발광 블록은 발광 소자를 포함하고, 발광 소자를 흐르는 전류의 피크값이 동작 모드에 따라 조절되는 발광 블록을 포함한다. 
     
     액정 표시 장치
Patent KR-20090044404-A (KR)
Inventor: LEE HYE MI
IPC: H01L21/027
Filed: 2007-10-31
Abstract: 투명기판 상에 장파장에서 6% 투과율을 갖는 위상반전막 및 광차단막을 형성하고, 광차단막을 패터닝하여 위상반전막을 선택적으로 노출하는 광차단막 패턴을 형성한다. 광차단막 패턴의 CD를 보정하고, 보정된 광차단막 패턴을 식각마스크로 노출된 위상반전막을 식각하여 위상반전막 패턴을 형성한다. 상기 보정된 광차단막 패턴을 제거하여 장파장에서 6% 투과율을 갖는 위상반전막 패턴을 갖는 바이너리마스크를 제작한다. 제작된 바이너리마스크를 단파장에서 이머전 리소그라피(immersion lithography) 공정을 수행하여 웨이퍼의 레지스트막 상에 패턴을 전사하는 반도체소자의 미세 패턴 형성방법을 제시한다.  
       
     위상반전막, 장파장, 단파장, 투과율, 바이너리마스크
Patent KR-20090047013-A (KR)
Inventor: PARK CHAN GOO
IPC: H01Q3/08
Filed: 2007-11-07
Abstract: 본 발명은 차량의 이동에 따라 안테나의 앙각과 방위각을 각각 독립적으로 제어하며 위성의 앙각이 기 설정된 기준값 이상으로 변경되는 경우에만 안테나의 앙각을 제어하도록 함으로써 위성 추적 속도 및 성능을 향상시킬 수 있도록 하는 추적 특성이 향상된 위성 추적 안테나 시스템 및 그 동작방법에 관한 것이다.  
     본 발명에 따른 위성 추적 안테나 시스템은 위성으로부터 송신되는 위성신호를 수신하는 안테나부(100); GPS 위성으로부터 송신되는 GPS 신호를 수신하는 GPS 수신부(500); 차량의 방위각 움직임을 감지하는 방위각 자이로센서(400); 상기 GPS 수신부(500)를 통하여 수신되는 GPS 신호를 분석하여 위성의 초기 앙각 위치를 계산하여 포착하는 앙각제어부(220)와, 상기 안테나부(100)를 통하여 수신되는 위성신호를 분석하여 위성의 방위각을 포착한 후 상기 방위각 자이로센서(400)를 통하여 감지되는 차량의 방위각 움직임을 분석하여 위성의 방위각을 추적하는 메인제어부(210)가 구비된 제어보드(200); 상기 앙각제어부(220)의 제어에 따라 위성의 앙각 지향 위치로 안테나부(100)의 앙각을 회전시키는 앙각모터(320)와, 상기 메인제어부(210)의 제어에 따라 상기 위성의 방위각 지향 위치로 안테나부(100)의 방위각을 회전시켜는 방위각모터(310)가 구비된 모터부(300);를 포함하여 이루어지는 것을 특징으로 한다. 
       
     위성 안테나, 위성 추적 안테나, GPS(Global Positioning System), 자이로센서
Patent KR-20090047887-A (KR)
Inventor: KIM YI GYEONG
IPC: H03M1/66
Filed: 2007-11-08
Abstract: 본 발명은, 델타-시그마 아날로그-디지털 변환기의 델타-시그마 변조기와 델타-시그마 디지털-아날로그 변환기에 사용되는 멀티-비트 디지털-아날로그 변환기에서 주기적인 신호 성분들(인-밴드 톤)이 발생되는 것을 억제하기 위한 기술에 관한 것으로, 단위 소자의 사용이 1순환될 때마다 간결한 알고리즘에 따라 새로운 순서로 단위 소자를 선택함으로써, 이에 따라 단위 소자 사용의 주기성이 사라지게 되어 종래의 DWA 알고리즘에서 나타나던 인-밴드 톤 발생을 억제할 수 있는 것을 특징으로 한다.  
     
     멀티-비트 델타-시그마 변조기, 잡음성형, multi-bit sigma-delta modulator, noise shaping, data weighted averaging, DWA
Patent KR-20080005891-A (KR)
Title: Fluorescent lamp equipment which was improved reflection effciency by specular surface enlargement
Inventor: KIM KI SOO
IPC: F21V7/10
Filed: 2007-11-09
Abstract: A fluorescent lamp device is provided to improve light emitting efficiency by maximizing an effective reflective area of a lampshade. A paint is applied to a reflective surface of a lampshade(200) which is implemented on an inner surface of a lamp body(100). An aluminum film is deposited on the reflective surface. A fluorescent lamp device includes the lampshade and a fluorescent lamp(300). Plural convexo-concave reflective surfaces(210) are repeatedly formed on the lampshade of the lamp body in a zigzag formation, so that an effective reflective area of the lampshade is increased. The zigzag reflective surfaces have a slant angle which is slanted from a vertical line by 45 degrees.
Patent KR-20090052108-A (KR)
Inventor: KIM YUN SU
IPC: B21D5/01
Filed: 2007-11-20
Abstract: 본 발명은 상판, 심재 및 하판이 차례로 적층되고, 하판에 단부가 형성된 알루미늄 패널의 절곡기에 있어서, 상기 알루미늄 패널이 적치되는 정반;과 알루미늄 패널의 적치되는 위치를 결정하는 조기대;와 말단에 왯지부가 설치되고, 상기 단부의 상측에서 상하 운동하는 누름대;와 상기 단부의 하측에서 상하 운동하는 제1절곡부; 및 상기 단부의 측면에서 좌우 운동하는 제2절곡부;를 포함하여 이루어지며,상기 단부는 왯지부의 끝단에서 절곡되는 것을 특징으로 한다. 
       
     상판, 심재, 하판, 알루미늄 패널, 절곡기