baber/WOPTO huggingface dataset:
Patent KR-20080113287-A (KR)
Title: Systems, devices, and methods for temperature compensation in arc fault detection systems
Inventor: ZHANG BIN
IPC: H02H1/00
Filed: 2007-04-09
Abstract: Certain exemplary embodiments comprise a method, which can comprise configuring a system to compare an electrical value and a selected pre-stored threshold value of a plurality of pre-stored threshold values. The method can comprise configuring the system to modify the plurality of pre-stored threshold values based upon a predetermined change in measured temperature. ® KIPO & WIPO 2009
Patent KR-20090028696-A (KR)
Title: Doctor blade for cleaning conveyor rolls in the haul-off zone of a float glass plant
Inventor: VOGL ARMIN
IPC: C03B35/16
Filed: 2007-05-08
Abstract: Disclosed is a doctor blade for cleaning the conveyor rolls in the haul-off zone of a float glass plant, said doctor blade being made of carbon fiber-reinforced graphite.
Patent KR-20100082608-A (KR)
Title: Method of fabricating semiconductor device
Inventor: KIM JIN GYUN
IPC: H01L27/115
Filed: 2009-01-09
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to form a tunnel insulation layer applied to a reverse gate stack structure. CONSTITUTION: Conductive layers(211-216) and insulating layers(251-256) are alternative laminated on a substrate(200). An opening(290) passes through the conductive layers and the insulating layers. A blocking insulation layer(220) and a charge trapping layer(230) covering the blocking insulation layer are formed on the sidewall of the opening. A tunnel insulation layer(240) covering the charge trapping layer is formed. An active pillar is formed to fill the opening.
Patent KR-20100086214-A (KR)
Title: A method to gain an infinite kinematic energy by using the bent poll type magnet
Inventor: PARK JUNG IL
IPC: H02N11/00
Filed: 2009-01-22
Abstract: PURPOSE: The method for obtaining the infinity power energy by using the roast for magnet makes the endless rotation exercise around the rotary shaft. CONSTITUTION: In order to be opposite with the same pole it crosses and rotor type permanent magnet(100) are offered. The secondary permanent magnet(130) is offered towards the rotary shaft(500) of rotor type permanent magnets to immediately, the immediately after. The line of magnetic force is strengthened. The slope and location of the secondary permanent magnet are controlled and the direction of the line of magnetic force is controlled towards the rotational direction.
Patent KR-20100089525-A (KR)
Title: System, wired/wireless communication terminal, and method for performing of sound recognizing
Inventor: LEE JUN WOO
IPC: H04B1/40
Filed: 2009-02-04
Abstract: PURPOSE: A system, a wired/wireless communication terminal and a method for performing of sound recognition are provided to enable a user to recognize a certain circumference. CONSTITUTION: An algorithm providing server(300) stores a sound recognition algorithm for recognizing plural kinds of sound data, and a wired/wireless communication terminal(100) downloads/stores a sound recognition algorithm. The wired/wireless communication terminal removes the noise of the external sound data, and outputs an alarm sound when the recognition rate of the sound data is over a critical value.
Patent KR-20090091012-A (KR)
Title: Touch switch device
Inventor: AKINARI YOSHINORI
IPC: H01H36/00
Filed: 2009-02-09
Abstract: A touch switch device is provided to reduce a size of a main body in a thickness direction of a circuit board by forming a cutout part on the circuit board. A touch switch device includes a main body, a first circuit board(P1), a second circuit board(P2), and a third circuit board(P3). A detecting circuit, a load control circuit, and a power circuit are received inside the main body. The detecting circuit, the load control circuit, and the power circuit are formed on the first circuit board, the second circuit board, and the third circuit board. The detecting circuit detects access of human body in an operation part. The load control circuit controls a load according to a detected result of the detecting circuit. The power circuit supplies a power to the detecting circuit and the load control circuit. At least one among the first circuit board, the second circuit board, and the third circuit board has a cutout part(36) for preventing interference between parts.
Patent KR-20100091500-A (KR)
Title: 위험상태 인지 기능을 갖는 엘리베이터 시스템 및 이의 운용 시스템
Inventor: KIM SUN TAE
IPC: H04N7/18
Filed: 2009-02-10
Abstract: 본 발명에서 엘리베이터 내의 위험상태를 자동 인지할 수 있는 위험상태 인지 기능을 갖는 엘리베이터 시스템 및 이의 운용 시스템을 개시한다. 
     본 발명에 따른 위험상태 인지 기능을 갖는 엘리베이터의 운용 시스템은, 적어도 하나 이상의 엘리베이터로 장착되는 상기 충격감지 모듈들로부터 검출된 각각의 위험신호를 접수하며, 상기 위험신호를 근거로 위험상황에 대한 레벨 정보를 생성한 후, 엘리베이터 내의 위험상황정보를 수집하여 외부로 구조요청을 수행하는 관리서버; 상기 관리서버로부터 제공된 구조요청 신호 및 위험상황정보를 온라인 상으로 탑재하는 웹서버; 및 온라인을 통해 상기 구조요청 신호를 수신하고, 상기 위험상황정보를 근거로 해당 엘리베이터 시스템으로 긴급 구조를 지시하는 보안업체 서버로 이루어진다. 
     따라서, 본 발명은 사회적 범죄 증가로 인한 엘리베이터의 탑승 불안증을 최소화함으로써, 엘리베이터 이용의 안정성을 확보할 수 있는 효과가 있다. 또한, 본 발명은 탑승자의 위험상황을 외부로 통지할 수 있어 엘리베이터 안전 시스템의 완성도를 높일 수 있는 효과가 있다. 
     
     엘리베이터, 위험, 범죄, 인지, 자동, 충격, 감시, 통지, 통신, 보안
Patent KR-20100092735-A (KR)
Title: 형광램프용 인버터
Inventor: JANG MIN SUK
IPC: H05B41/24
Filed: 2009-02-13
Abstract: 고전압을 발생시켜 형광램프를 구동하는 형광램프용 인버터를 개시한다. 상기 인버터는 적어도 하나의 서미스터(thermistor)를 포함하며 외부로부터 직류 전원을 공급받아 상기 직류 전원으로부터 전원의 출력을 제어하는 제어신호를 포함한 펄스 전원을 온도에 따라 다르게 발생시켜 출력하는 제어부, 상기 펄스 전원을 입력 받아 교류 전원으로 전환하는 구동부 및 상기 구동부로부터 제1 전압이 인가되는 제1 권선단과 상기 제1 전압에서 유도되는 제2 전압이 인가되는 제2 권선단을 포함하여 상기 구동부로부터 인가되는 제1 전압을 변압하는 변압기를 포함한다. 
       
     형광램프, 서미스터, 온도, 변압기, 스위칭
Patent KR-20100094208-A (KR)
Title: Power factor correction circuit
Inventor: SON HO IN
IPC: H02M3/155
Filed: 2009-02-18
Abstract: PURPOSE: A power factor correcting circuit is provided to improve the reliability of a product by preventing the generation of damage on components and efficiently lowering standby power-consumption. CONSTITUTION: Energy is stored in a voltage storing unit(110) while an alternating current(AC) power voltage is supplied in the voltage storing unit. A voltage sensor(120) detects the AC power voltage. A switching unit(130) operates according to the detection signal of the voltage sensor. A discharging unit(140) discharges the energy according to the switching signal of the switching unit.
Patent KR-20090093839-A (KR)
Title: Section processing method and its apparatus
Inventor: FUJII TOSHIAKI
IPC: H01L21/00
Filed: 2009-02-25
Abstract: A section processing method and its apparatus is provided to detect the mark part which reaches the fixed distance from the target cross section. The cross section(1c) for observation is moved to observe the cross section of the sample(1). The mark part(4A,4B) is formed near the cross section for observation. The cross section for observation is formed by moving the mark part to predetermined observation target in a removing process within the range including the mark part in the exclusion processing. The mark part corresponds to the processing location for forming the cross section. The observation image acquisition process of the cross section is performed. The processing location information acquisition process for the cross section is performed.
Patent KR-20100098798-A (KR)
Title: Protection circuit for connection error of battery equlizer
Inventor: CHOI DEOK KWAN
IPC: H02J7/02
Filed: 2009-03-02
Abstract: PURPOSE: A protection circuit for the connection error of a battery equalizer is provided to prevent a dark current from flowing from a first and a second batteries to a converter in an ignition off state by turning on or turning off a first and a second protection switch based on an ignition state. CONSTITUTION: A first battery and a second battery which is serially connected are obtained power from a power supply unit(1). A converter(10) uniformly supplies a voltage to the first battery and the second battery. A first protection switch and a second protection switch are installed between the converter and the first and the second batteries and are turned off in the case of the generation of connection error between the converter and the first and the second batteries. A dark current prevention switch(33) turns on the first and the second protection switches in case of the ignition on state and turns off the first and the second protection switches in case of the ignition off state.
Patent KR-20100099569-A (KR)
Title: Method for storing function and system device using the same
Inventor: KWON KI HYOUN
IPC: G06F9/44
Filed: 2009-03-03
Abstract: PURPOSE: A method for storing a function and a system device using the same are provided to properly arrange a function in a limited space in order to the code size and a call execution time required for a function call command when an application program calls up the function. CONSTITUTION: A linker(910) detects the call frequency information and the size information of each function, and generates an execution file by arranging functions based on the call frequency information and the size information. A memory(940) stores the execution file, and a microprocessor(950) calls up the functions of an execution file stored at the memory. A control register(930) stores a start address of the execution file.
Patent KR-20100100263-A (KR)
Title: Multiplex frequency driven capacitively coupled plasma reactor
Inventor: WI SOON IM
IPC: H05H1/30
Filed: 2009-03-05
Abstract: PURPOSE: A multiplex frequency driven capacitively coupled plasma reactor is provided to generate plasma on a large area by driving a plurality of capacitively coupled plasma according to multi-frequency. CONSTITUTION: A capacitively coupled plasma reactor includes a plasma reactor(10), a capacitively coupled electrode assembly(30), and two or more main power sources(40a, 40b). The capacitively coupled electrode assembly includes a plurality of capacitively coupled electrodes(31, 33) in order to discharge of plasma in the plasma reactor. The main power sources drive the capacitively coupled electrodes by supplying two or more different wireless frequency power to the capacitively coupled electrode assembly.
Patent KR-20100101806-A (KR)
Title: Assembly type light emitting diode lamp unit
Inventor: JANG HARRI
IPC: F21V17/10
Filed: 2009-03-10
Abstract: PURPOSE: An assembly type LED lamp unit is provided to improve outer appearance by reducing the protrusion length of a luminary lamp attached to a building or sculpture. CONSTITUTION: A PCB(Printed Circuit Board) module(120) is comprised of a PCB and an LED. The PCB module is mounted on the upper surface of a body(110). The PCB module is electrically connected to a power supply line with soldering. The lower side of the body is fixed to the surface of a building or sculpture. A fixing unit(130) is combined with both sides of the PCB module to fix the PCB module to the body. A connection unit(140) is combined between the fixing units. A cap(150) covers the connection tube of the connection unit.
Patent KR-20100102999-A (KR)
Title: Position recognition apparatus for rental bicycle and radio communication apparatus
Inventor: PARK JONG JUN
IPC: G06Q50/30
Filed: 2009-03-12
Abstract: PURPOSE: A position recognition apparatus for a rental bicycle and a radio communication apparatus thereof are provided to accurately detect the location of a rental bicycle without the installation of an additional communication device. CONSTITUTION: An information acquisition unit(210) acquires a location information message of a radio communication device from the radio communication device, and a location calculation unit(220) calculates the location information of a bicycle by collecting the acquired location information. An information transmission unit(230) transmits a location information request message through a broadcast mode. The information transmission unit includes the calculated location information of the bicycle in the location information request message.
Patent KR-20100066263-A (KR)
Title: Device for index managing of evidence image in digital forensic system and method therefor
Inventor: JO SU HYUNG
IPC: G06F17/30
Filed: 2009-03-13
Abstract: PURPOSE: A device for managing the index of an evidence image in a digital forensic system and a method therefor are provided to assign a document number in order to file a number, including the directory of an evidence image, and to manage the document number in a document number dictionary, thereby processing the file in an index processing using numbers. CONSTITUTION: An indexing unit(230) restores evidence image(100) as digital data of a file system structure. The indexing unit assigns an intuitive document number to each file. The indexing unit manages the document number as a document number dictionary. An index word searching unit(250) checks the document number of an index word. The index word searching unit searches relevant files by the checked document number.
Patent KR-20100104621-A (KR)
Title: Robot cleaner
Inventor: LEE KWANG BAE
IPC: A47L9/04
Filed: 2009-03-18
Abstract: PURPOSE: A robot cleaner is provided to stably jump an obstacle without recognizing a low-height obstacle as a wall since the rear part of a cleaner does not make contact with the floor due to the rear slope. CONSTITUTION: A robot cleaner comprises a body(10) and a plurality of driving wheels(20). A suction port sucking the foreign materials is formed on the bottom of the body. In order that the body travels, the driving wheels support the body. Slopes(16F,16R) are at least formed on the front part of the bottom edge of the body and the slopes are gradually inclined upward toward the outside.
Patent KR-20090104691-A (KR)
Title: Lens driving apparatus
IPC: G03B3/02
Filed: 2009-03-27
Abstract: PURPOSE: A lens driving device is provided to prevent the magnetic flux from flowing to a cover by including the cover made of nonmagnetic material. CONSTITUTION: A movable element(13) maintains a lens and moves to an optical axial direction. A supporter supports a movable element through a spring. A coil is mounted in the movable element. A magnet is mounted in the supporter. A yoke has an incident window inputting the reflective light from an object to the lens. A cover(12) is mounted in the inner side than the incident window. The cover, the spring, and the magnet(17) are successively overlapped from the incident window. The cover is made of non-magnetic material.
Patent KR-20100108645-A (KR)
Title: Transfer car for ladle
Inventor: KIM MYUNG HWAN
IPC: C21C5/46
Filed: 2009-03-30
Abstract: PURPOSE: A ladle carriage is provided to prevent damage to facilities or due to heat of slag or accidents by cooling the slag leaked in a process of receiving the melt steel of ladle. CONSTITUTION: A ladle carriage(1) comprises a carriage body(20), a slag cooling unit(80), and a carriage drive unit(60). The ladle(10) receiving melt steel is placed on the carriage body. The slag cooling unit is installed in the carriage body. The slag cooling unit cools the slag leaked in a process of receiving steel. The carriage drive unit moves the carriage out of a slag outflow region.
Patent KR-20100109580-A (KR)
Title: Solar cell
Inventor: JOE JIN HYOUN
IPC: H01L31/0445
Filed: 2009-04-01
Abstract: PURPOSE: The solar battery the performance of whole light absorption layers can be improved effectively. The light former conversion efficiency in which sunlight is absorbed efficiently and which is improved is had. CONSTITUTION: A solar battery comprises the substrate, electrode layer, first light absorber(310), second light absorption layer(320), third light absorption layer(330) is included. The electrode layer is arranged in the top of the substrate. The first light absorber comprises the first family-III family-VI family system compound it is arranged on the electrode layer.
Patent KR-20100110432-A (KR)
Title: 와이어로프의 체결 구
Inventor: KIM SOON KYUNG
IPC: F16B2/08
Filed: 2009-04-03
Abstract: 본 발명은 와이어로프와 와이어로프의 결합을 위한 체결 구의 형성 방법에 관한 것으로, 
     더욱 상세하게는, 와이어를 어떤 물체를 감싸 수 있게 올가미 형상을 한 다음, 그 올가미 형상이 변형이 되지 않고, 강력히 유지하기 위하여 와이어로프를 올가미처럼 돌아 다시 기존의 와이어로프와 단단히 체결하게 하기위하여, 
     먼저 두 와이어로프를 통과하고, 그 두 줄의 와이어로프 양쪽에 톱니 핀이 부착된 사다리꼴 형상의 핀을 박을 수 있는 공간이 형성되어 외부를 감쌀 수 있는 타원형의 원통이 있고, 
     그 원통에 와이어로프를 넣고 통과하고, 그 와이어로프가 다시 올가미처럼 돌아 다시 처음 원통을 통과했던 와이어로프와 만나 기존의 와이어로프와 나란히 하고, 그 올가미 한 와이어로프를 만나 원통을 통과한 다음, 
     두 줄의 와이어로프 양쪽에 와이어로프와 원통의 톱 니 형상이 부착된 사다리꼴 핀을 처음 와이어로프가 들어갔던 곳은 그 와이어로프가 들어가는 방향으로 핀의 얇은 쪽을 먼저 넣어 원통과 나란히 하게 박고, 올가미 형상을 하고 돌아 나온 와이어로프 쪽에는 처음 핀을 넣었던 것과는 반대로 설치되게 핀을 박으면 와이어로프가 당기면 당기는 만큼 톱 니 형상이 형성된 핀이 원통형 기둥에 들어가면 들어갈수록 더욱 두껍게 들어가, 뒤로 밀리며 빠져 나올 수 없기 때문에 핀이 와이어로프를 더욱 강하게 물어 기존의 유 볼트의 체결 구나 납봉으로 체결한 것보다도  더욱 강하게 체결할 수 있는 특징이 있다. 
     
     와이어 로프, 타원형 원통기둥, 사다리꼴 기둥 핀, 걸림이빨, 핀 유도로등
Patent KR-20100110440-A (KR)
Title: Method of preparing light and heat-retaining bath tub and light and heat-retaining bath tub
Inventor: KIM KYUNG JUN
IPC: B29C44/16
Filed: 2009-04-03
Abstract: PURPOSE: A manufacturing method of a lightweight and heat-retaining bath tub is provided to improve durability by preventing the separation of layers and prevent deformation after hardening. CONSTITUTION: A manufacturing method of a lightweight and heat-retaining bath tub comprises following steps. A polycarbonate panel is molded to form the inside of a bath tub. One side of the panel corresponding to the inner lower surface of the bath tub forms a structure layer having uneven patterns. The polycarbonate type adhesive is applied on the structure layer having uneven patterns. Polyurethan is applied on one side applied with the adhesive to form a hard polyurethane foam layer(30).
Patent KR-20100113254-A (KR)
Title: Network monitor system and the operating method
Inventor: KIM HYUN SEOK
IPC: G06F15/16
Filed: 2009-04-13
Abstract: PURPOSE: A network monitor system and an operating method are provided to build and operate a network system without additional device by sharing resources of a server computer with client devices. CONSTITUTION: A server computer(100) is connected to client devices(300, 400, 500, 600, 700), and the processing result according to the operating signal inputted from the client devices is transmitted to the client devices. The client device transmits the operating signal inputted from user interface to the server computer, and receives and outputs the processing result from the server computer. The server computer stores the OS(Operating System) and application, and comprises a memory unit which stores the account information of client devices, a connection port, and a controller.
Patent KR-20100113734-A (KR)
Title: Method for fabricating vertical channel semiconductor device
Inventor: KIM MYUNG OK
IPC: H01L21/336
Filed: 2009-04-14
Abstract: PURPOSE: A manufacturing method of the vertical channel semiconductor device forms the buried bit line into the metal layer. The resistance of the buried bit line is low made. CONSTITUTION: The sacrificing layer(11) of line-shape is formed on the substrate(10). The silicon film(12) is formed in the front including the sacrificing layer. The pad insulating film(13) and hard mask film(14) are laminated on the silicon film. The hard mask film, the pad insulating film and silicon film are patterned and the pillar is formed.
Patent KR-20100115886-A (KR)
Title: Telephone having usb modem
Inventor: LIM TAE SU
IPC: H04M1/253
Filed: 2009-04-21
Abstract: PURPOSE: A telephone with a USB modem is provided to function as a cable telephone and an internet telephone. CONSTITUTION: A PSTN(Public Switched Telephone Network) connector(130) is installed in one side of the main body of a telephone. The PSTN connector is connected to a PSTN(131). The PSTN connector enables a call through the PSTN. A USB(Universal Serial Bus) modem(121) is wirelessly connected to the Internet(121a). The USB modem enables a call through the Internet. A USB connector(120) is installed in one side of the main body of the telephone. The USB modem is detachably combined with the USB connector.
Patent KR-20100116083-A (KR)
Title: Actuator of electric parking brake and brake caliper for automotive vehicle as one body
Inventor: CHOI NAM SUN
IPC: F16D65/14
Filed: 2009-04-21
Abstract: PURPOSE: An actuator of electric parking brake and a brake caliper for automotive vehicle as one body are provided to solve problems occurred at a power transferring component such as a belt or chain by applying gear link for power transmission. CONSTITUTION: An actuator of electric parking brake and a brake caliper for automotive vehicle as one body comprises a driving unit(10), a link module(20), a relay gear(30) and a drive gear(40). The driving unit is remotely controlled. The link module is transmitted the torque from the driving unit. The relay gear adds and subtracts the number of rotation by connecting with the link module. The relay gear multiplies the swing torque primarily. The drive gear adds and subtracts the number of rotation by connecting with the relay gear. The drive gear multiplies the swing torque secondly.
Patent KR-20100116784-A (KR)
Title: 건축물의 거푸집 조립구조
Inventor: SONG YANG SOO
IPC: E04G17/06
Filed: 2009-04-23
Abstract: 본 발명은, 콘크리트를 타설하여 건축물의 벽체 및 슬라브를 형성하는 거푸집의 조립구조로서, 
     상기 건축물의 내부에 설치되는 내측거푸집과; 
     상기 건축물의 외부에 설치되는 외측거푸집과; 
     상기 내.외측거푸집을 연결한 연결관에 체결되어 고정하는 체결볼트를 포함하며, 
     상기 내.외측거푸집은, 
     타설되는 콘크리트와 일면이 면접촉되면서 타면에 다수의 결합돌기가 돌출되고, 상기 결합돌기에 고정너트가 장착되도록 단턱이 형성된 다수의 너트장착홈이 폐쇄되어 구비된 제1판넬과; 
     상기 제1판넬의 결합돌기를 결합홈이 수용하면서 밀착되고, 상기 결합홈에 관통되어 고정볼트가 결합되는 결합공이 구비된 제2판넬과; 
     상기 너트장착홈을 선택적으로 개방하여 고정너트를 장착한 후, 결합공을 통해 고정볼트를 고정너트에 체결하여 제2,1판넬을 고정시키는 것을 특징으로 하는 건축물 거푸집 조립구조에 관한 것이다. 
     본 발명 건축물의 거푸집 조립구조에 의하면, 제1판넬의 결합돌기에 결합홈이 밀착되는 제2판넬을 동일한 두께로 성형함으로써, 제2판넬의 무게가 가벼워 작 업이 용이함과 아울러 제작비용을 절감할 수 있을 뿐만 아니라 폐쇄편이 너트장착홈에 형성되어 폐쇄되도록 제1판넬을 성형하고, 성형된 제1판넬의 너트장착홈을 선택적으로 개방하여 고정너트를 결합한 후, 고정볼트로 체결하여 제1,2판넬을 용이하면서도 견고하게 고정시킴과 아울러 너트장착홈을 폐쇄한 폐쇄편은 절단홈을 방사상으로 관통되게 형성하여 사용자의 선택에 의해 용이하게 개방시킬 수 있으므로 작업능률 향상에 따라 작업시간을 단축시킬 수 있는 것이다. 
       
     거푸집, 판넬, 고정,
Patent KR-20100062867-A (KR)
Title: Ethernet-based next generation optical transport network apparatus and traffic grooming method thereof
Inventor: YOUN JI WOOK
IPC: H04B10/27
Filed: 2009-04-24
Abstract: PURPOSE: An Ethernet-based next generation optical transport network apparatus and a traffic grooming method of an apparatus thereof are provided to effectively a network resource by supplying the tragic grooming function with each flow. CONSTITUTION: An optical signal which is multiplexed wavelength division in which one or more optical demultiplexers is inputted from optical signal distributors(511, 512) is demultiplexed to each wavelength. A traffic grooming module(530) assigns a new optical virtual channel after separating optical virtual channels from the optical wavelength inputted from the light demultiplexer. An optical wavelength conversion module(560) assigns the new optical wavelength to the signal inputted from the traffic grooming module. One or more optical multiplexers(551, 552) multiplexes a plurality of optical wavelength signals inputted from the traffic grooming module to the wavelength division.
Patent KR-20100117372-A (KR)
Title: Led street light
Inventor: PARK JAE WOOK
IPC: F21S13/10
Filed: 2009-04-24
Abstract: PURPOSE: A light emitting diode street lamp is provided to expand the life expectance of a light emitting diode by forming a heat emitting structure into an effective water sealing structure. CONSTITUTION: A light emitting diode street lamp includes a transparent window(130) and a case(10) with an opening part. The case includes an upper body, the transparent window, and a lower body. The lower body combines the upper body and the transparent window. The lower body is formed into a ring shape in order to facilitate the combination of the transparent window and the upper body. The transparent window includes a flange type wing.