baber/WOPTO huggingface dataset:
Patent KR-20030042714-A (KR)
Title: Outdoor uint of airconditioner
Inventor: JANG JIN HYEOK
IPC: F24F5/00
Filed: 2001-11-23
Abstract: PURPOSE: An outdoor unit of an air conditioner is provided to simplify the structure of a heat exchanger and improve efficiency by improving heat exchange performance. CONSTITUTION: An outdoor unit of an air conditioner includes a base fan(40); an outer case joined to the base fan; a fan assembly mounted to a motor mount(70) installed to the base fan; and a heat exchanger(50) with an inner space to surround the fan assembly. In the outer case, an inner space is formed to the base fan, and constitution for inflow and outflow of exterior air is formed. The fan assembly sucks the exterior air and moves the exterior air. The heat exchanger installed on the base fan to heat-exchange an actuating fluid of a heat exchange cycle with an air current formed by the fan assembly. The heat exchanger comprises first and second headers(52,54) delivering the actuating fluid to other component parts or receiving the actuating fluid for other component parts, and plural U-shaped very fine tubes(56) connecting the headers. Thus, the exterior air exchanges heat with the actuating fluid two times, passing through the heat exchanger two times. Accordingly, the heat exchange performance of the heat exchanger is increased and efficiency of the air conditioner is improved.
Patent KR-20030045448-A (KR)
Inventor: LEE KYUNG HOE
IPC: A61F6/04
Filed: 2001-12-04
Abstract: PURPOSE: Provided is a condom which lets several projections including a far-infrared radiation material formed at outer circumference of the condom so that it enables the far-infrared material to sterilize various harmful bacteria within female vagina in sexual intercourse. CONSTITUTION: In configuring a bag-shaped condom body(1) which has an insertion hole(2) for penis formed at one side, the condom is characterized by mixing 1-5wt% of crushed jade powder and 95-99wt% of latex on a basis of 100wt% of the entire material for producing the condom body, with having several projections(3) projected at a part of outer circumference of the front edge(4) where the glans of the penis is located, in which the projections are made of the far-infrared material.
Patent KR-20030047211-A (KR)
Title: Methods for blocking reception of sms messages and calls in a mobile communication terminal equipment
Inventor: HUH YUN DO
IPC: H04M3/436
Filed: 2001-12-08
Abstract: PURPOSE: A method for restricting reception of a short message and a call in a mobile communication terminal is provided to allow a user to optionally receive an SMS message as desired. CONSTITUTION: A controller receives an SMS message in a standby state(101,103). The controller judges whether a message reception restriction has been set by a user(105). If the message reception restriction has been set, the controller judges whether a caller number of the received SMS message is identical to a reception-restricted caller number(107). If the caller's number is identical to the reception-restricted caller number, the controller displays reception of the SMS message(111). If the caller's number is not identical to the reception-restricted caller number, the controller judges whether a callback number of the received SMS message is identical to a reception-restricted callback number(113). If the callback number of the received SMS message is identical to the reception-restricted callback number, the controller displays reception of the SMS message(115). If the callback number of the received SMS message is not identical to the reception-restricted callback number, the controller judges whether a portion of the SMS message is identical to a reception-restricted message content(117). If the portion of the SMS message is identical to the reception-restricted message content, the controller displays reception of the SMS message(119).
Patent KR-20030055660-A (KR)
Title: Apparatus for prevention sticking of wafer
Inventor: PARK BONG JIN
IPC: H01L21/68
Filed: 2001-12-27
Abstract: PURPOSE: An apparatus for preventing sticking of wafer is provided to unload safely a wafer by generating or removing automatically the electrostatic force according to the switching operation of a power supply unit for supplying the electric power to an electrostatic chuck. CONSTITUTION: An apparatus for preventing sticking of wafer includes an electrostatic chuck(10), a power supply unit(20), and a switching portion(30). The electrostatic chuck is used for chucking a wafer. The power supply unit applies the electric power to the electrostatic chuck in order to generate the electrostatic force on a surface of the electrostatic chuck. The switching portion connects the electrostatic chuck to the ground(G) in order to discharge the remaining electric charges when the power supply unit does not supply the electric power to the electrostatic chuck. A plurality of lift pins(11) are installed at the electrostatic chuck.
Patent KR-20030055750-A (KR)
Title: Device for canceling echo in exchange and method thereof
Inventor: CHOI JAE HO
IPC: H04M3/18
Filed: 2001-12-27
Abstract: PURPOSE: An echo cancellation device in a switching system and a method thereof are provided to cancel echoes generated when configuring speech channels in every speech channel in real time, thereby improving speech quality. CONSTITUTION: An originating subscriber attempts a call and a speech channel with an incoming subscriber is set(S100). When an incoming exchange delivers the first ring signal to the incoming subscriber, an originating exchange connects an echo characteristic measuring unit to the current channel through a switching unit, to measure a round trip delay time and a singing margin of an echo, which are echo characteristics for a connection path(S200). When the round trip delay time and the singing margin are completely measured, the echo characteristic measuring unit is released and an echo cancellation unit is connected to the corresponding channel through the switching unit, to set an echo characteristic value of the echo cancellation unit by using the measured round trip delay time and the singing margin(S300) and cancel the echo of the corresponding speech channel(S400).
Patent KR-20030056130-A (KR)
Title: Appratus for Selectively Providing the Transmitter Redundancy by using Transmitter Diversity Function
Inventor: HONG HEON JIN
IPC: H04L5/14
Filed: 2001-12-27
Abstract: PURPOSE: A selective transmission doubling apparatus using transmission diversity function is provided to achieve the doubling of a transmitter and perform transmission diversity function automatically. CONSTITUTION: According to the selective transmission doubling apparatus using transmission diversity function, a transmitter unit(400) includes the transmission diversity function. A radio control unit(RFCU)(420) achieves the doubling of the transmitter unit when transmission doubling function is required in the transmitter unit, and observes the state of a frequency up converter and a power combiner(431) in the transmitter unit and then controls a RF channel control unit(RCCU)(430) according to the above state information, in order to perform the transmission diversity function. And the RF channel control unit branches switches(SW1-SW7) to transfer signals through independent apparatus when the transmission doubling function is required, and controls the transmitter unit by branching the switches according to the control of the radio control unit so that two independent paths are set when the transmission diversity function is required.
Patent KR-20030056167-A (KR)
Title: apparatus for molding a tube head
Inventor: LIM JONG SU
IPC: B29C45/14
Filed: 2001-12-27
Abstract: PURPOSE: A device for forming a tube head is provided to automatically injection-mold the head with the end of a tube supplied in regular succession. CONSTITUTION: A tube supplying unit(10) automatically supplies tubes(T) to one side of a body(12). The tube sticks in a couple of holding rods formed at a holding unit. The holding unit is formed at a rotary member(25). A holding rod rotating unit(20) is rotated by regular angles. A supplying pipe is connected to a head mold(32) and an injection mold(34). The head mold moves forward and backward on a guide rail to be inserted into the holding rods.
Patent KR-20030056418-A (KR)
Title: Tuberculosis Auto Stainer
Inventor: CHO SANG RAE
IPC: C12Q1/04
Filed: 2001-12-28
Abstract: PURPOSE: An apparatus for automatically dyeing a microorganism is provided, thereby rapidly and cleanly staining the microorganism, and consequently improving the correctness of analysis for microorganism. CONSTITUTION: An apparatus for automatically staining a microorganism comprises a chamber(22), a draining pipe(23) connected to the chamber; a supporting member(20) having a body with an upper cover and positioned on the chamber; a rotation plate(11) in the chamber(22) on which numerous microorganism-spread glass plates are placed; a motor(12) connected to the rotation plate(11) through a connection shaft(13) and installed in the body of the supporting member(20); a sensing portion consisting of a magnet installed in the lower part of the rotation plate and magnetic sensors installed in one side of each of the chamber(22) and the supporting member(20); a heating member(40) installed in the upper cover on the supporting member(20) and containing a hot blower; and a spraying member(50) installed in one side of the supporting member(20) and spraying a staining solution to the glass plates on the rotation plate(11).
Patent KR-20030056962-A (KR)
Title: A method for cooking time control of toaster
Inventor: KIM GWANG HWA
IPC: A47J37/08
Filed: 2001-12-28
Abstract: PURPOSE: A method for compensating cooking hours of a toaster is provided to automatically control the cooking hours of the toaster by detecting the preheating of the toaster. CONSTITUTION: A method for compensating cooking hours of a toaster comprises the steps of: counting hours from finishing toast to a user checking the toast(120); counting hours from checking the toast to starting another toast(140); comparing the count hours with a setting value, and determining whether operation is continuous(160); and compensating the cooking hours of the toaster(170).
Patent KR-20030058156-A (KR)
Title: an active matrix organic electroluminescence display device
Inventor: AHN TAE JUN
IPC: G09G3/32
Filed: 2001-12-29
Abstract: PURPOSE: An active matrix organic electroluminescence device is provided to be capable of improving an aperture ratio without lowering a capacity of a storage capacitor. CONSTITUTION: A gate line(121) and a data line(122) are formed over a substrate to define a pixel region(P1). The first switching thin film transistor(Ts1) is connected to the gate line and the data line. The first driving thin film transistor(Td1) is connected to the first switching thin film transistor. A power line(151) is connected to the first driving thin film transistor to be in parallel with the data line. The first capacitor electrode(152) is connected to the power line, is placed at the pixel region and is made of a transparent conduction material. The second capacitor electrode(171,172) is connected to the first driving thin film transistor to be overlapped with the first capacitor electrode. A transparent pixel electrode is connected to the first driving thin film transistor and is formed at the pixel region.
Patent KR-20010071818-A (KR)
Title: 다위치 로드록 챔버
IPC: H01L21/205
Filed: 1999-06-30
Abstract: 반도체 장비 제조용 장치는 반도체 웨이퍼가 공정 처리되는 공정 챔버(20)를 포함한다.  이송 모듈(50)에는 제1 위치와 제2 위치가 있다.  제1 위치는 카세트(65, 66)로의 그리고 카세트로부터의 이송을 용이하게 해주고, 제2 위치는 공정 챔버(20)로의 그리고 공정 챔버(20)로부터의 이송을 용이하게 해준다.  이송 모듈(50)은 제1 위치와 제2 위치에 있는 웨이퍼들을 동시에 이송하기 위한 이송 아암(26)과 메커니즘(70)을 포함한다.
Patent KR-20010100764-A (KR)
IPC: G06T1/20
Filed: 2000-05-17
Abstract: 화상처리장치는 n개(n은 2이상의 정수)의 연속한 화소 데이터가 같은 타이밍으로 각각 입력되는 동시에, 입력된 각 화소 데이터를 각각 같은 타이밍으로 처리하는 n개의 화상 처리부와, 상기 n개의 화상 처리부를 제어하는 제어부를 구비한다. 상기 각 화상 처리부는 상기 제어부 사이에서 데이터의 송수신이 가능한 제 1 동작 모드 또는 상기 제어부로부터의 수신만이 가능한 제 2 동작 모드로 설정 가능하며, 1개의 화상 처리부는 상기 제 1 동작 모드로 설정되며, n-1개의 화상 처리부는 상기 제 2 동작 모드로 설정되어 있다. 또한, 상기 제어부로부터의 명령은 상기 n개의 화상 처리부에 공통으로 주어져 있으며, 상기 n개의 화상 처리부는 상기 제어부로부터 상기 제 1 동작 모드로 설정된 1개의 화상 처리부에 명령이 주어졌을 때, 각각 같은 타이밍으로 같은 처리를 실행한다.
Patent KR-20010075044-A (KR)
Title: 신호 처리 시스템 및 상이한 주파수 채널의 신호를처리하기 위한 터미널 장치
IPC: H03H11/16
Filed: 2000-07-05
Abstract: 통신 시스템에 사용되는 RF 증폭기는 비선형 증폭에 의한 후방 상호 변조를 나타낸다.   송신 신호와 외부 신호의 후방 상호 변조는 안테나(4)를 통해 증폭기(2)의 출력에 도달하며, 이는 수신 신호의 수신시 잠재적으로 간섭을 일으키는 원하지 않는 3차 상호 변조 산물을 발생시킨다.   통신 시스템의 수신 감도는 이 원하지 않는 3차 상호 변조 산물에 의해 악영향을 받는다.   상기 동일한 후방 상호 변조에 의해 야기되는 2차 상호 변조 성분과 송신 신호를 혼합함으로써, 상기 원하지 않는 3차 상호 변조 성분을 제거할 수 있는 보상 신호가 생성된다.
Patent KR-20010080267-A (KR)
Title: Method for monitoring proteasome inhibitor drug action
IPC: C12Q1/37
Filed: 1999-10-19
Abstract: The invention relates to methods for measuring proteasome activity in biological samples. More particularly, then invention relates to methods for monitoring drug action following in vivo administration of a proteasome inhibitor. The invention provides methods and kits for monitoring pharmacodynamic drug action and for determining dose regimen for a proteasome inhibitor. The invention also provides methods for determining baseline proteasome activity in a mammal.
Patent KR-20010080889-A (KR)
IPC: G04G99/00
Filed: 1999-10-22
Abstract: 외부로부터의 에너지에 의해 발전하는 발전 수단과, 발전 수단의 발전에 의한 전기 에너지를 축전하는 축전 수단과, 발전 수단 또는 축전 수단으로부터 공급되는 전기 에너지에 의해 시각 표시 동작을 하는 계시 수단과, 적어도 복수의 스위칭 소자를 지니고, 발전 수단과 축전 수단 및 계시 수단과의 사이의 전기 에너지의 전달 또는 차단을 행하는 스위치 회로와, 계시 수단의 단자 전압을 계측하는 전압 계측 수단과, 상기 전압 계측 수단의 계측 결과에 따라서, 발전 수단이 축전 수단과 계시 수단을 충전할 때의 전력량의 비율을 미리 정한 다른 복수의 비율 중 어느 것으로 결정하여 스위치 회로를 제어하는 제어 수단을 구비한다.
Patent KR-20010083938-A (KR)
IPC: B65H23/182
Filed: 1999-11-05
Abstract: 프린터 조립체(1A)는 라미나 재료의 웹(231)을 인쇄하고, 상기 라미나 재료의 웹은 그 뒷면에 접합가능하며 인쇄 가능한 층(240)을 구비하여서 정보가 인쇄될 수 있고 공백의 카드(29)에 적층될 수 있는 것이 바람직하다.  또한, 웹(231)은 일정 간격을 두고 배치된 일련의 취약한 횡단선(230)을 구비하고, 따라서 웹(231)은 상기 취약한 횡단선(230)을 가로지르는 인장력을 웹(231)에서 일으켜 개개의 라미나 시트(20)로서 분리될 수 있다.
Patent KR-20010085988-A (KR)
Title: Heat-treatable dichroic mirrors
IPC: B32B15/08
Filed: 1999-03-11
Abstract: A heat-treatable dichroic mirror, comprising a transparent substrate having a glass transition temperature in the range of 650-800° C., and a plurality of sputtered films carried on said substrate and forming at least two pairs of contiguous films in which the films of each pair have disparate refractive indices differing by at least about 0.2 so as to provide between them a reflective interface. The films include an oxide of a metal such as titanium, a second film comprising an oxidizable metal or semi-metal such as silicon, and a protective overcoat of a thickness and composition sufficient to substantially prevent permeation of oxygen therethrough when heat treated at said glass transition temperature. The mirror, after said heat treatment, exhibits a transmittance of at least 24% in the wavelength range of 550-650 nm, a reflectance of at least 45%, and a haze of not greater than about 1%.
Patent KR-20010080971-A (KR)
IPC: H01L21/304
Filed: 2000-08-31
Abstract: 본 발명은 반도체 처리에 이용되는 수성 조의 수명의 끝을 검출하는 장치 또는 방법에 관한 것으로, 조는 물, 소정의 양의 과산화수소 및 산 또는 염기인 소정의 양의 미리 결정된 화학 종을 포함하는데, 이는 
     미리 정해진 시간 간격에서 미리 정해진 추가적인 양의 상기 과산화수소 및/또는 상기 미리 정해진 화학 종을 첨가하는 단계와, 
     적어도 하나의 상기 수성 조의 파라미터의 측정하는 단계-이로 인하여 측정된 파라미터 값을 얻으며, 상기 적어도 하나의 파라미터는 조 pH(bath pH) 및 조 도전성(bath conductivity)을 포함하는 파라미터의 세트로부터 선택됨-와, 
     시간의 함수로서의 상기 적어도 하나의 파라미터의 예측된 값의 곡선을 저장하는 메모리로부터의 상기 적어도 하나의 파라미터의 예측된 값의 판독하는 단계-상기 곡선은 상기 미리 정해진 상기 과산화수소 및/또는 상기 미리 정해진 화학 종의 추가적인 양에 의존하며, 상기 미리 정해진 시간 간격에 의존함-와, 
     상기 측정된 파라미터 값과 상기 예측된 값 사이의 미리 정해진 편차에 근거한 상기 수성 조의 수명의 끝을 확립하는 단계를 따른다.
Patent KR-20010101255-A (KR)
IPC: A22C11/00
Filed: 2000-10-12
Abstract: A horizontal conveyor for linked sausage strands has a frame (10) having a horizontal operating platform (12) with opposite first (16) and second ends (18), opposite sides, a top surface (20), and a continuous perimeter wall (14) extending along the sides and first and second ends. The perimeter wall (14) is substantially semi-circular at the first end (16); and has a substantially parallel side portions at a midsection; and has end portions that converge towards each other from the side portions to meet at a semi-circular end portion (18A) at the second end (18). A channel (24) is located in the top portion in uniform inwardly spaced relation to the perimeter wall, and a continuous conveyor chain (26) is in the channel. A plurality of spaced hook members (28) are secured to the conveyor chain and have a shank (30) slidably engaging the top of the perimeter wall, and a hook portion extends downwardly and outwardly with respect to the perimeter wall. The semi-circular end portion of the second end (18) of the platform comprises a sausage loading station and has a diameter less than the distance between the side portions of the perimeter wall so that the hook portions of the hook members sliding over such end portion will travel at a speed greater than the speed of the hook members sliding over the side portions of the perimeter wall.
Patent KR-20020005706-A (KR)
Title: 막 부재를 구비한 장치
IPC: F02M69/00
Filed: 2001-02-20
Abstract: 본 발명은 에지 조인트(21)에 의해 고정된 막 부재(10)를 구비한 장치(2)에 관한 것이다.  상기 에지 조인트는 탄성 중합체 재료(22)에 의해 막 부재(10)의 탁월한 고정 및 확실한 밀봉을 보장한다.  장치는 예컨대 압력 밸브이며 자동차의 연료 공급 시스템의 압력에 영향을 주기 위해 사용된다.
Patent KR-20020010653-A (KR)
IPC: G09G3/20
Filed: 2001-03-08
Abstract: 본 발명은 광원 어레이를 이용하여 계조 표시를 행하고자 한다.  1화소 표시 기간 C 내에 있어서, LED 광원의 발광 강도 P를 변화시킴과 함께, 그 변화에 대응하여 LCD를 온 오프시킴으로써 원하는 휘도 Y를 갖은 화소를 표시한다.
Patent KR-20020013586-A (KR)
IPC: F16H15/38
Filed: 2000-06-15
Abstract: 본 발명은 작동시에 무단 변속기(CVT/IVT)의 다른 구성 요소의 궤도면과 접촉하는 궤도면을 포함하는 무단 변속기(CVT/IVT)의 구성 요소에 관한 것으로, 0.85 ~ 0.95 중량 %의 탄소, 최대 0.15 중량 %의 실리콘, 1.30  ~ 1.50 중량 %의 크롬, 0.25 ~ 0.45 중량 %의 망간, 0.20 ~ 0.40 중량 %의 몰리브덴 및 나머지로서 철과 불가피한 불순물로 이루어지는 강으로 그러한 구성 요소를 제조하는 것을 제안한다.  이 구성 요소의 표면은 탄소질화 처리 및 담금질/재가열에 의해 더 경화하는 것이 바람직하다.
Patent KR-20030059650-A (KR)
Title: Centrifugal fan of vacuum cleaner
Inventor: RYU HO SEON
IPC: F04D29/66
Filed: 2002-01-03
Abstract: PURPOSE: A centrifugal blower used in a vacuum cleaner is provided to improve suction force of the vacuum cleaner by preventing air from being leaked between an underside of a centrifugal impeller and a guide vane. CONSTITUTION: A centrifugal blower includes a motor housing(2) having an inlet(2a) and an outlet(2b). A motor(10) is installed in the motor housing(2) so as to rotating a rotating shaft(8) by means of an electromagnetic field created between a stator(4) and a rotor(6). A centrifugal impeller(20) is connected to an end of the rotating shaft(8) of the motor(10). A diffuser(14) is provided to increase pressure of air blown from the centrifugal impeller(20). A guide vane(16) is installed at a lower surface of the centrifugal impeller(20). An impeller casing(18) is positioned at the front of the motor housing(2).
Patent KR-20030061542-A (KR)
Title: The radiation Image Storage Phosphor and the production method
Inventor: DO SI HONG
IPC: C09K11/85
Filed: 2002-01-14
Abstract: PURPOSE: A phosphor for storing a radiological image is provided to improve the sensitivity to radioactive rays, to obtain a radiological image with high quality and to decrease the time needed to obtain a digital radiological image. CONSTITUTION: The phosphor for storing a radiological image has the formula of MCl2:Eu2+,aX, wherein M is Ca, Sr or Ba, M and Cl2 are stoichiometrically present, X is a monovalent alkali metal such as Li, Na, K, Cs and a combination thereof, the rare earth metal element Eu2+ is present in the range from 0 to 1.0 mol%, and a is ranged from 0 to 1.0 mol%. The phosphor can be prepared by adding the rare earth metal element Eu2+ and the alkali metal as an activating agent to the parent body of MCl2 wherein M is the same as defined above.
Patent KR-20030062972-A (KR)
Inventor: LEE YEO GYUN
IPC: F03D3/02
Filed: 2002-01-21
Abstract: PURPOSE: A blade of a wind power generator is provided to achieve improved stiffness, reduced weight of the blade and improved accuracy of formation of the shape of the blade. CONSTITUTION: A blade comprises a honey comb impregnated in the blade. The honey comb is milled by a frame for freezing a metallic honey comb, a frame for freezing the metallic honey comb in a limited time period, and a frozen honey comb protection frame. The honey comb is further milled by a process of forming the outline of three-dimensional shape. A cut honey comb(3) includes a honey comb which is frozen in a freezer. The frozen metallic honey comb and the cut honey comb are prevented from being cambered.
Patent KR-20030065077-A (KR)
Title: Printer having device for sensing size of paper
Inventor: KIM MAN GYU
IPC: B41J1/26
Filed: 2002-01-29
Abstract: PURPOSE: A printer having a paper size detecting device is provided to reduce manufacturing cost of the printer and to stabilizing an operation of the printer with reducing noise by simplifying a structure of the printer. CONSTITUTION: A printer has a cassette for storing various papers, a guide(40) capable of moving according to a size of papers, and a detecting device for detecting the size of papers. The detecting device includes a display member installed in the guide(40), and a transmissive type photo sensor(42) installed in a printer body in order to detect the size of the paper. The display member is positioned at an outer surface of the guide(40). The display member has protrusion arrays(41), which are aligned in three rows. The protrusion arrays(41) are varied depending on the size of the paper. The transmissive type photo sensor(42) detects the protrusion arrays(41) in order to detect the size of the papers.
Patent KR-20020033666-A (KR)
Inventor: SON YOUNG SUK
IPC: A61Q19/00
Filed: 2002-01-30
Abstract: PURPOSE: Provided is a method for manufacturing cosmetics by using pharmacologically useful ingredients, therefore the cosmetics have abundant nutrients and bioprobes and are useful for the skin care. CONSTITUTION: The cosmetics are characterized by containing pharmacologically useful ingredients, such as herbal medicines, seaweeds, animal, minerals, plants(roots, leaves, stems and fruits), health foods and the like which are as described in the description.
Patent KR-20020024191-A (KR)
Inventor: JONG HYONG
IPC: B66C1/04
Filed: 2002-02-01
Abstract: PURPOSE: An apparatus for preventing the exfoliation of an antioxidant film of a rotary END-magnet of a magnetic absorber is provided to make a rotor and a magnetic member rotate smoothly and to prevent the exfoliation of an antioxidant film of a rotating END-magnet by installing a thin brass sheet on the surface of the rotating END-magnet. CONSTITUTION: A cover having a ring is connected to the upper portion of a magnetic absorber body(1). A left and a right magnetic members(2) interposed with a non-magnetic body(2-1) are fixed on the left and right sides of the body by welding. A shaft(6) interposed with a bush is fitted in a shaft hole of the non-magnetic body. Outside a rotor(4) fitted in between the front and rear magnetic members, a static END-magnet is charged. A shaft hole(4-1) is in the center of the non-magnetic rotor. Left to a shaft support bar, a rotating END-magnet is fitted. Thin stainless or brass sheets(5) are fitted in both surfaces. Upon rotating the rotor, the brass sheets approach near the front and rear magnetic members. Since the brass sheets are soft, the rotor rotates easily and smoothly. Therefore, the exfoliation of the antioxidant film on the surface of the rotating END-magnet is prevented.