baber/WOPTO huggingface dataset:
Patent KR-20100131388-A (KR)
Title: Process of updating a status of relation between objects in a system of computer-aided design of objects
Inventor: CHAUVIN FREDERIC
IPC: G06F17/50
Filed: 2010-06-04
Abstract: PURPOSE: A process for updating a state of relation between objects in a system of a computer aided design of objects is provided to practically reduce resources required to an interference process by a process of updating a state of relation between objects in the system of the computer aided design of objects. CONSTITUTION: Prediction relation for executing a method for executing relations among a data set of a pair of objects and objects and a method identified by using the data set is identified(21,50). The methods are executed by using the data set to operate the relation(23,52). The prediction relation is compared with an operated relation. A state of the prediction relation is updated based on a comparison result.
Patent KR-20120000258-A (KR)
Title: Modified ethylene propylene diene monomer (m-class) rubber and ethylene propylene diene monomer (m-class) rubber composition for engine mount using the same
Inventor: HONG SUNG CHUL
IPC: C08L71/02
Filed: 2010-06-25
Abstract: PURPOSE: An ethylene propylene diene monomer(M-class) rubber composition is provided to have excellent physical properties and excellent heat resistance which can not be obtained from natural rubber materials, thereby useful for engine mounts, etc. CONSTITUTION: A modified ethylene propylene diene monomer(M-class) rubber is grafted of a polyethylene oxide or polystyrene into a maleic anhydride-graft EPDM rubber. The content of maleic anhydride in maleic anhydride-graft EPDM rubber is 0.1-2.0wt%, and the mooney viscosity(ML 1+4 125°C) thereof is 25-35. An ethylene propylene diene monomer rubber composition comprises 3-10 parts by weight of reformed EPDM rubber, 0.5-3.0 parts by weight of cross-linking agent and 0.2-5.0 parts by weight of crosslinking promoter on the basis of 100 parts by weight of EPDM rubber.
Patent KR-20110001918-A (KR)
Title: Substrate processing method and substrate processing apparatus
Inventor: HIYAMA SHIN
IPC: H01L21/205
Filed: 2010-06-25
Abstract: PURPOSE: A substrate processing method and a substrate processing apparatus are provided to improve the throughput and form a layer of high quality by implementing modification process of treating the reaction product attached to the process chamber with the excited gas having oxygen. CONSTITUTION: A lighting-emitting area(4) is separated by a permeable window(5) of quartz. An excimer is located inside the lighting-emitting area. A gas induction pipe(14) of a process chamber(1) is connected with a silicone compound gas service pipe(15), an oxygen containing gas supply tube(25), and a cleaning gas supply pipe(35).
Patent KR-20120001026-A (KR)
Title: Cooling apparatus for strip which can control cooling speed
Inventor: HAN SEONG KYUNG
IPC: B21B45/02
Filed: 2010-06-29
Abstract: PURPOSE: A strip chiller with a cooling speed control function is provided to satisfy various mechanical property using various accelerating and quick cooling. CONSTITUTION: A strip chiller with a cooling speed control function comprises a cooling box(10), a table roll(20), a plurality of cooling water injecting pipes(30), a temperature meter(40), a remaining water removing unit(50), and a steam discharge pipe(60). A strip(1) moves in the cooling box. The table roll is arranged in the cooling box and transfers the strip. The cooling water injecting pipe injects cooling water to the lower part of the strip in the cooling box. The cooling water injecting pipe controls the injecting amount of cooling water. The temperature meter measures the temperature of the strip on the input and output of the cooling box.
Patent KR-20120005145-A (KR)
Title: Composition for promoting hair restor and hair growth
Inventor: CHO IN SHIK
IPC: A61Q7/00
Filed: 2010-07-08
Abstract: PURPOSE: A composition containing extract of bamboo roots, adlay roots, or mixture thereof is provided to promote hair growth without side effect. CONSTITUTION: A composition for promoting hair growth contains 0.001-50 wt% of extract of bamboo roots, adlay roots, or mixture thereof as an active ingredient. The extract is isolated using water, organic solvent, double-boiling, or supercritical extraction. The extraction solvent is purified water, low alcohol of 1-5 carbon atoms, polyvalent alcohol with 1-5 carbon atoms, petroleum ether, methyl acetate, ethyl acetate, benzene, hexane, methylene chloride, diethyl ether, dichloromethane, chloroform, or mixture thereof. An agent for hair growth contains the composition. The agent is manufactured in the form of a cream, ointment, paste, aerosol, gel, or wax. A cosmetic composition for hair contains the composition and is manufactured in the form of a shampoo, rinse, ample, or treatment.
Patent KR-20120006796-A (KR)
Title: 파우치 지지수단이 구비된 약액추출 자동포장기
Inventor: SONG KYONG
IPC: A61J3/00
Filed: 2010-07-13
Abstract: 본 발명은 파우치 지지수단이 구비된 약액추출 자동포장기에 관한 것이다. 
이러한 본 발명의 파우치 지지수단이 구비된 약액추출 자동포장기는, 약액포장부와 대응되도록 본체하우징의 상단 일측에 형성된 파우치투입함을 비롯해 약액포장부, 드라이어, 공기가이드판, 기어펌프, 방열팬 및 컨트롤패널이 내장되는 내부프레임 내에 드라이어의 공기분사작용에 의한 파우치의 밀착된 입구를 개봉시키기 위하여 파우치소켓의 회전작용에 따른 파우치의 90도 회전 이송 시 전,후 연동되는 릴레이의 통과가 원활하도록 파우치의 회전 이송을 안내함과 동시에 상기 회전 이송된 파우치가 드라이어의 공기분사에 따른 일측으로 쏠림이 발생되는 것을 방지하기 위한 파우치 지지수단이 더 포함되어 구성된 것을 특징으로 한다. 
따라서 본 발명에 의하면, 파우치소켓의 회전작용에 따른 파우치의 90도 회전 이송 시 파우치지지바가 전,후 연동되는 릴레이의 통과가 원활하도록 파우치의 회전 이송을 안내함과 동시에 상기 회전 이송된 파우치가 드라이어의 공기분사에 따른 일측으로 쏠림이 발생되는 것을 방지할 수 있는 등의 탁월한 효과가 있다.
Patent KR-20120009215-A (KR)
Inventor: KWON BYOUNG SOO
IPC: B62D25/00
Filed: 2010-07-23
Abstract: 본 발명은 다목적 운반차용 탑승자보호구조에 관한 것으로서, 하단부가 차체(5)의 전방 양측에 연결 고정되고 상단부가 상방으로 연장되는 한 쌍의 상하연장대(11)와, 이 한 쌍의 상하연장대(11)의 상단부를 연결하는 좌우연장대(12)를 갖는 전방프레임(10); 상기 전방프레임(10)과 일정거리 이격된 차체(5)의 후방 양측에 그 하단부가 연결 고정되고 상단부가 상방으로 연장되는 한 쌍의 상하연장대(21)와, 이 한 쌍의 상하연장대(21)의 상단부를 연결하는 좌우연장대(22)를 갖는 후방프레임(20); 및 상기 전, 후방프레임(10,20)을 연결하는 연결대(30)를 포함하여 구성된다. 
따라서, 프레임 구조를 차체와 연결되는 전, 후방프레임과 이들 전, 후방프레임을 연결시키는 연결대로 분리 구성함으로써, 기본적으로 프레임의 조립 및 해체 작업이 신속하고 수월하게 이루어짐은 물론 분해 선적시 소요 공간이 작아 선적비가 절감되고, 단순한 형상 제작에 따른 제작비용이 절감되며, 또한, 프레임 구조 형상도 차체를 포함하여 그 측면 구조가 4절링크 구조가 되도록 함으로써, 차량의 급발진이나 급제동 등 전후 충격시 프레임의 회동 중심축에서 적절하게 충격을 흡수할 수 있도록 하여 강성 향상에 따른 제품의 신뢰성을 높일 수 있도록 하는 등의 효과를 얻는다.
Patent KR-20120021378-A (KR)
Inventor: KIM JUNG HWAN
IPC: B21F11/00
Filed: 2010-07-29
Abstract: PURPOSE: A manifold block for a guillotine pump is provided to guarantee high durability and prevent oil leakage by fixing a connecting member. CONSTITUTION: A manifold block(100) for a guillotine pump comprises first and second housings(10,20). The first housing has an inlet(11) connecting to the guillotine pump. The second housing is contacted to one side of the first housing. The second housing has an outlet(21) connecting to a pipe. The inlet and outlet are arranged at right angle.
Patent KR-20120013815-A (KR)
Title: Motor boat for parasailing
Inventor: SHIN YONG GUG
IPC: B63B21/04
Filed: 2010-08-06
Abstract: PURPOSE: A motor boat for parasailing is provided to set stable posture of a user because a parachute doesn't get the effect of turbulence generating right above a body by a motor boat. CONSTITUTION: A motor boat(100) for parasailing comprises a main body(1), a towline(2), a parachute(3), a take-off and landing deck(4), and a winch(6). The main body moves by a motor. The parachute is connected to the main body through the towline. The take-off and landing deck is installed in the rear upper side of the main body and lifted up and down by a pair of cylinders. The towline is connected to the winch of the main body.
Patent KR-20120017269-A (KR)
Title: Mobile terminal and method for manufacturing the same
Inventor: MUN IN TAE
IPC: H04B1/40
Filed: 2010-08-18
Abstract: PURPOSE: A portable terminal is provided to improve the life time of a portable terminal by improving surface-coherence between the plastic resin of an exterior material and a metal plating layer. CONSTITUTION: A portable terminal includes an interior material and an exterior material. The exterior material includes a base material member(210) and an electroless plating layer(230). Plural unevenness units are formed on the surface of the base material. The electroless plating layer is accumulated on the surface of the base material and the unevenness units.
Patent KR-20120023202-A (KR)
Title: Mass estimation method of heavy metals from acid mine drainage
Inventor: KANG DONG HWAN
IPC: G01G9/00
Filed: 2010-08-25
Abstract: PURPOSE: A heavy metal outflow mass measuring method by an acid mine drainage is provided to accurately measure heavy metal outflow mass dissolved in the mine water which is flown out for the specified period by using the density of the heavy metal outflow mass and the average run off ratio of the mine water which is flown out. CONSTITUTION: A heavy metal outflow mass measuring method by an acid mine drainage is as follows. A plurality of mine water samples are collected by being spatially separated from a effluent point of the acidic mine water(S1). A flow rate of a effluent point of the acidic mine water is measured(S2). Heavy metal outflow mass of the mine water flown out is measured(S3).
Patent KR-20120019805-A (KR)
Title: Structure of impeller-operating member for fuel pump
Inventor: BAEK IL HYUN
IPC: F04D13/06
Filed: 2010-08-27
Abstract: PURPOSE: A structure of an impeller operating member for a fuel pump is provided to prevent a decrease in the torque of a motor and rotation inability of the motor by curbing an increase in frictional resistance due to foreign materials. CONSTITUTION: A structure of an impeller operating member for a fuel pump comprises an upper case(30), a lower case(10), a chamber, a motor, and a fuel pump. The chamber is formed between the upper case and the lower case. The impeller operating member is coupled to a motor so that an impeller(20) rotates in the chamber. The bottom of the upper case and the top of the lower case are formed as a plane to the rotating shaft of the motor. The top of the impeller forms an upper gap with the bottom of the upper case. The bottom of the impeller is mounted to form a lower gap with the top of the lower case.
Patent KR-20120041828-A (KR)
Inventor: MIN YONG
IPC: A01K31/22
Filed: 2010-08-27
Abstract: 본 발명은 냉?온수 배관 파이프를 부설한 고상식(高上式) 가금류 위생사육시설구조에 관한 것으로, 특히 사육네트 직하방 근접위치에 냉?온수파이프를 통한 온도조절로 가장 취약한 가금류의 배와 가슴부분에만 국부적으로 냉?난방이 이루어져 비용을 절감하고 사육온도 조절이 용이하고 더욱 쾌적하고 건강하며, 냄새가 나지 않는 위생적인 사육시설을 제공하여 항생제를 사용하지 않아도 되는 위생사육장소와 공간을 제공함과 동시에 2개의 중앙선반사육장을 상호 인접설치하고, 건물 중앙벽에 통기창을 넣고 중앙선반사육장과 선반사육장 사이에는 출하용벨트컨베이어를 포함한 중간선반사육장이 각 설치되는 것으로 사육장 동과 동사이의 거리 간격을 없애고 2동의 건축물을 1동으로 하여 건축한 연동계사로 토지면적의 활용과 건축비용 절감이 이루어지도록 하며, 사육장을 스팩을 제공하여 전국 어디서나 가금류 사육장에 대한 표준규격을 제공하도록 하여 사육기술 지도와 경영지도가 용이하고 사육장 건축비용 절감과 공사기간을 단축하며, 가금류의 배와 가슴부분만 효율적으로 온도조절해 조류독감(AI) 예방이 가능하며, 사육네트에 의한 먼지발생을 줄여 호흡기손상을 예방하고 질병에 대한 감수성 증가를 예방할 수 있게하는 유용한 발명인 것이다.
Patent KR-20120021125-A (KR)
Inventor: KIM DO HYUN
IPC: A63G31/00
Filed: 2010-08-31
Abstract: 단순히 공포감을 주는데 지나지 않는 것이 아니라, 이용하는 청소년들에게 스릴감을 만끽하게 해주면서도, 도전정신이나 과학적 문제의식을 일깨우고 북돋워줄 수 있는 놀이기구 장치.  본 발명의 놀이기구 장치는 판 형상으로 되어 있고 그 내부에 각각의 출구가 그 저면에 형성된 복수의 도관이 형성되어 있는 탑승부와, 각각이 상기 복수의 도관 각각에 대하여 마련되는 복수의 에어 펌프를 구비한다.  탑승부의 저면에는 착륙한 상태에서 상기 탑승부를 하방에서 지지하는 하나 이상의 받침대가 마련된다.  아울러, 놀이기구 장치는 상기 복수의 에어 펌프를 구동하기 위한 제어부와, 외부의 관제장치로부터 제어명령을 받아들여 상기 제어부에 전달하는 무선수신부와, 상기 탑승부에 설치되어 가속도를 감지하는 복수의 가속도 센서를 구비한다.  상기 복수의 도관 각각은 그 입구에 비하여 상기 출구의 단면적이 좁게 형성된다.  상기 제어부는 상기 제어명령과 상기 가속도를 토대로 상기 에어 펌프를 구동한다.
Patent KR-20120066695-A (KR)
Inventor: KIM UI JAE
IPC: A01G1/00
Filed: 2010-09-20
Abstract: 본 발명은 식물을 가지고 다니면서 키우기 위한 식물배양이 가능한 시계형 팔찌에 관한 것으로,더욱 상세하게는 솔이끼를 이용한 시계모양 팔찌 디자인을 이용하여 물의 흡수성을 높이고, 햇빛을 많이 주지 않아도 되는 식물배양이 가능한 시계형 팔찌에 관한 것이다.
Patent KR-20120031801-A (KR)
Title: Liquid crystal display
Inventor: KIM HEE SEOP
IPC: G02F1/1343
Filed: 2010-09-27
Abstract: PURPOSE: A liquid crystal display device is provided to adjust the difference between a first effective voltage and a second effective voltage by adjusting voltages applied to a pixel electrode and a texture control electrode. CONSTITUTION: A first pixel electrode(PE1) is formed on a first substrate. A first insulating film is placed between the first pixel electrode and a second pixel electrode(PE2). At least a part of the second pixel electrode is laminated on the first pixel electrode. The second pixel electrode includes a plurality of narrow long openings(OPN). The second pixel electrode applies a voltage different from a voltage of the first pixel electrode. Liquid crystal molecules are located between the first substrate and a second substrate.
Patent KR-20120032291-A (KR)
Title: Polybedral alcohol lamp
Inventor: SON HYUN SOL
IPC: B01L7/00
Filed: 2010-09-28
Abstract: PURPOSE: A polyhedral alcohol lamp is provided to prevent fall of the lamp during experiment by having polyhedral structure. CONSTITUTION: A polyhedral alcohol lamp comprises an alcohol storage(1), a wick of alcohol lamp(2), a wick fixing unit(3), an alcohol inlet port, a cover of alcohol lamp, and a beaker, and a tripod. The alcohol storage constitutes with dodecahedron. The alcohol storage fixes pentagonal shape of bottom plane to the alcohol lamp. The alcohol storage prevents the lamp to be inclined. The alcohol storage uses more than 2 of dodecahedral structures in order to concentrate thermal power.
Patent KR-20120033421-A (KR)
Title: Oxynitride phospor
Inventor: SOHN KEE SUN
IPC: C09K11/08
Filed: 2010-09-30
Abstract: PURPOSE: Oxynitride phosphors are provided to have excellent stability, and to be able to control various colors from green to yellow by control of aluminum content, thereby using for fluorescent substance for tuning white LED. CONSTITUTION: Oxynitride phosphors is in chemical formula: Y_(6+x/3-z)Si_(11-y)Al_yN_(20+x-y)O_(1-x+y):Re_z. In chemical formula 0<=x<=3, 0<=y<=3, 0.005<=z<=0.2. A manufacturing method of oxynitride phosphors comprises: a step of weighing particulate material of the phosphors; a step of manufacturing a mixture through dry-mixing the particulate material under the atmosphere of which oxygen and moisture content is maintained to 1ppm or less; and a step of manufacturing plasticizing under nitrogen atmosphere at 1300-2000 °C and 5-20 atm.
Patent KR-20120037060-A (KR)
Inventor: LIM JEONG CHEON
IPC: B25J9/16
Filed: 2010-10-11
Abstract: PURPOSE: A control device and a control method of a robot arm are provided to produce various products in an automated line by selecting a specific control program. CONSTITUTION: A control device of a robot arm comprises a robot arm(100), a processor(410), a control program storage unit(420), and a robot arm actuating unit(430). The robot arm has a processing unit and an RFID(Radio Frequency Identification) reader(120). The processing unit processes a product. The RFID reader reads the information of RFID tag of the product. The processor selects a specific program by receiving the read RFID information and outputs a control order. The control program storage unit stores the control program of the robot arm. The robot arm actuating unit actuates the robot arm through the control order of the processor.
Patent KR-20120038845-A (KR)
Title: Language learning apparatus
Inventor: YANG DONG HYO
IPC: G09B5/06
Filed: 2010-10-14
Abstract: PURPOSE: A language learning apparatus is provided to improve a language study effect since a user listens to voice with a first language displayed on a front display and checks a second language displayed on a back display. CONSTITUTION: A front side display window(111) is placed on a front frame to display a first language on a screen. A back display(121) is placed on a back frame to display a second language corresponding to the first language.
Patent KR-20120041987-A (KR)
Title: Flush valve for chamber-pot
Inventor: LEE DAE HYEONG
IPC: E03D13/00
Filed: 2010-10-22
Abstract: PURPOSE: A toilet flush valve is provided to enable the easy operation of a piston having multiple holes by improving the structure of the piston. CONSTITUTION: A toilet flush valve comprises a body(10), a cover(20), a piston(30), an actuating valve(40), and a push button assembly(50). The body has first and second pressure chambers(61,62). The cover is coupled to the top end of the body. The piston is formed inside the body and forms a third pressure chamber(63). The piston has a piston housing and multiple holes(34). The holes are formed on the piston housing. The actuating valve is connected to the piston and rotates the piston. The push button assembly is connected to the body and has a push button(51) and a push bar(52). The push bar is powered by the push button and selectively presses the actuating valve.
Patent KR-20120044565-A (KR)
Title: Locking apparatus for door emergency handle of railway vehicle
Inventor: CHANG HYUN SEOK
IPC: E05B83/06
Filed: 2010-10-28
Abstract: PURPOSE: A locking apparatus for an emergency door handle of a railway vehicle is provided to improve locking reliability and to safely lock an emergency handle by installing a blocking plate which causes physical interference with the emergency handle. CONSTITUTION: A locking apparatus for an emergency door handle of a railway vehicle comprises a first fixing plate, a second fixing plate(120), a blocking plate(140), a transferring member(150), and a driving part(170). The first fixing plate is fixed in a housing in which an emergency handle is installed and has first slots along one direction. The second fixing plate is installed in parallel with the first fixing plate to maintain a certain gap and has second slots corresponding to the first slots. A guide hole corresponding to the first and second slots is formed in one end of the blocking plate. The blocking plate is selectively interfered with the emergency handle depending on rotating around a rotating axis, so operation of the emergency handle is cut off. The transferring member penetrates through the first and second slots and is connected with the blocking plate through a coupling member which is coupled to the guide hole. The driving part is connected to the transferring member to allow the transferring member to reciprocatively transfer.
Patent KR-20120097445-A (KR)
Inventor: SOHN YOUNG CHUL
IPC: H03F3/45
Filed: 2010-11-10
Abstract: PURPOSE: A DTS(Differential to single output) amplifier and a signal conversion circuit using the same are provided to stably perform a DTS operation regardless of a voltage value of a differential signal pair. CONSTITUTION: A DTS amplifier includes an amplifying unit(220) which buffers a first differential signal pair by receiving the first differential signal pair. The DTS amplifier includes a voltage drop unit(210) generating the first differential signal pair having a signal pulse width which corresponds to a drive voltage of the amplifying unit by voltage-dropping a second differential signal pair. The voltage drop unit performs a driving operation by using a first voltage. The amplifying unit performs the driving operation by using a second voltage having a lower voltage value than that of the first voltage. [Reference numerals] (210) Voltage drop unit
Patent KR-20120050356-A (KR)
Title: Electronic device having touch screen function and method for inputting character using the same
Inventor: KIM DAE WON
IPC: G06F3/041
Filed: 2010-11-10
Abstract: PURPOSE: An electronic device and a character input method using the same are provided to reduce necessary time for character input by clearly separating an input button. CONSTITUTION: A virtual keyboard for receiving a character from a user is displayed on a screen based on a contact location(S20). A control signal is generated based on a direction from a touch event generating position or a touch event. The virtual keyboard is changed in response to the control signal and displays an edit area of the touch screen area(S70).
Patent KR-20120050602-A (KR)
Title: Shower head distributor apparatus and shower head using the same
Inventor: HA KI HO
IPC: B05B1/18
Filed: 2010-11-11
Abstract: PURPOSE: A shower head distributor and a shower head using thereof are provided to supply water to the shower head in at least two different routes, for varying the spraying shape. CONSTITUTION: A shower head distributor includes a supplying unit(110), and connection units(120, 130). The supplying unit includes at least two supplying pipes. The connection units include a first connector and a second connector. First and second waterways penetrate the first connector. The upper side of the first waterway is connected to the end of the supplying unit. The inside of the first waterway is connected to a first supplying pipe, and is extended toward the lower center of the shower head distributor. The second waterway is connected to a second supplying pipe. Third and fourth waterways penetrate the second connector.
Patent KR-20120051347-A (KR)
Title: Column structure for marine equipment
Inventor: YOON HYUN SIK
IPC: E04C3/30
Filed: 2010-11-12
Abstract: PURPOSE: A column structure for offshore facilities is provided to reduce occurrence of resistance and vortex due to flowing and to reduce vortex induced vibration and vortex induced noise of offshore facilities. CONSTITUTION: A column structure for offshore facilities comprises spiral recessed parts(11) and projected parts(12). The column structure has an elliptical cross section. The outer circumference of the column structure is spirally twisted along an axial direction so that the spiral recessed parts and the projected parts can be consecutively formed on the outer circumference. One end of the column structure is rotatably connected to an offshore facility and is rotated according to the flow of water.
Patent KR-20120052624-A (KR)
Title: Odor removal apparatus for a waste or a sewagedisposal treatment plant and method of the same
Inventor: LEE HYUN WOO
IPC: B01D53/78
Filed: 2010-11-16
Abstract: PURPOSE: A method and an apparatus for dehydrating high concentration bad odor gas is provided to prevent the occurrence of secondary environmental contamination by purifying wastewater from a bad odor eliminating process and discharging the purified wastewater. CONSTITUTION: Bad odor is supplied from a bad odor supplying part(10). Ozone is supplied from an ozone generator. The bad odor is mixed with the ozone in a mixer(21), and the mixed gas is sprayed and supplied through injectors(22, 23). Hydrogen peroxide is supplied to a porous ceramic carrier through a spraying nozzle(34). The injected mixture is upwardly moved in the ceramic carrier. The ozone of the mixture is reacted with the hydrogen peroxide such that aqueous bad odor components are deodorized. Oxygen is reacted with hydroxyl groups.
Patent KR-20120053322-A (KR)
Title: The rocking structure of grinder wheel
Inventor: OH SEUNG JUN
IPC: B24B23/02
Filed: 2010-11-17
Abstract: PURPOSE: A locking structure of grinder wheels is provided to prevent a wheel from being separated from a rotary shaft by using washer and bolt which are coupled with lowest end of the rotary shaft. CONSTITUTION: A locking structure of grinder wheels comprises a driving unit(200), a rotary shaft(300), a wheel washer(400), a wheel(500), a wheel nut(600), a washer(700), and a bolt(800). The rotary shaft is rotated by operation of the driving unit. The wheel washer, wheel, and the wheel nut are successively combined with threads formed in lower part of external cylindrical surface of the rotary shaft. A groove is formed in lower surface of the rotary shaft in a longitudinal direction. The washer is combined in lower part of the rotary shaft and adheres closely to the wheel nut.
Patent KR-20110055449-A (KR)
Title: Microelectromechanical systems microphone packaging systems
Inventor: ALLEN HOWARD
IPC: H04R19/04
Filed: 2010-11-17
Abstract: PURPOSE: A microelectromechanical system microphone packaging system is provided to improve the reliability by offering a packaging which forms a sealed cavity. CONSTITUTION: A conductive frame comprises a lead frame or a micro lead frame package. The conductive frame comprises one or more gaps. The gaps are extended to a bottom surface of the conductive fame from the surface of the conductive frame. A cavity(110) is partly expanded to the inside of the conductive frame. A silicon die(112) is connected to the conductive frame. A insulator(126) is expanded to the bottom of the conductive frame through the gap in the conductive frame.