baber/WOPTO huggingface dataset:
Patent KR-20020035786-A (KR)
Inventor: CHEN KAI
IPC: G01B7/06
Filed: 2001-11-07
Abstract: PURPOSE: To provide a method and an apparatus wherein the film thickness of a conductive thin film formed on a substrate can be measured with satisfactory efficiency and at low costs, by a method wherein the relative distance between an eddy-current coil sensor and the conductive thin film is kept always at a constant value, and the change amount of an inductance in the eddy-current coil sensor is measured always under the same condition. CONSTITUTION: The film-thickness measuring apparatus is provided with the eddy-current coil sensor 20 which is constituted so as to be capable of being arranged in a prescribed position near the conductive thin film 51, which generates a prescribed eddy current with reference to the film 51, and which detects a magnetic field due to the eddy current; and a laser displacement sensor 30 which is used to measure the displacement between the coil sensor 20 and the film 51. The measuring apparatus is constituted in such a way that the thickness of the film 51 is measured on the basis of the change amount of the inductance in the coil sensor 20 and on the basis of a displacement amount measured by the sensor 30.
Patent KR-20030040794-A (KR)
Inventor: KIM MUN WON
IPC: F25D23/02
Filed: 2001-11-16
Abstract: PURPOSE: A stopper apparatus of a door of a refrigerator is provided to achieve improved use convenience by maintaining the open state of the refrigerator door over a long period of time, while allowing a user to operate the operation lever through the user's foot. CONSTITUTION: A stopper apparatus comprises a door(20) for opening/shutting a food storage space; a cushion(38) arranged at the bottom of the door, which maintains the open/shut state of the door by being extended/retracted from/into the door and selectively contacting a floor; and an operation lever(35) for extending/retracting the cushion from/into the door, and permitting the cushion to keep the floor contacted state. The operation lever is arranged to be movable in a vertical direction along an elevating slot(33) formed at a frame cover(32) which shields an installation space(31) formed in a frame(30) from outside.
Patent KR-20030040950-A (KR)
Title: Grower for single crystalline silicon ingot
Inventor: SHIN HYEON GU
IPC: C30B15/00
Filed: 2001-11-17
Abstract: PURPOSE: An apparatus for growing single crystalline silicon ingot is provided to measure accurate temperature of silicon melt by using a temperature measuring means installed adjacently to the surface of the silicon melt. CONSTITUTION: The apparatus for growing single crystalline silicon ingot comprises a chamber(100); a quartz crucible(104) installed in the chamber so that the quartz crucible contains silicon melt(102); a crucible support(108) fixed onto a driving unit(106) for rotating the quartz crucible; a cylindrical heater(110) for encircling the crucible support; a cylindrical cooling water pipe(114) installed on a path through which an ingot grown from the silicon melt passes so that the silicon ingot(126) is cooled by the cooling water pipe; and a temperature detection means(120) formed inside the cooling water pipe to detect temperature of the silicon melt, wherein the temperature detection means comprises window(116), optical fiber(118), temperature detector(122), and controller(124), wherein the window is sealed with being screw connected to the cooling water pipe.
Patent KR-20030041022-A (KR)
Title: An alter for installing laying a person's ashes to rest-case
Inventor: CHOI SUN BEOM
IPC: E04H13/00
Filed: 2001-11-19
Abstract: PURPOSE: An urn stand is provided to keep many urns in a narrow space and to simplify installation and maintenance works. CONSTITUTION: The urn stand comprises: a multi-layered structure(100) provided with an inner box placer(110) to install an inner box(20) where an urn(10) is placed; finishing materials(200) covering up the open side of the inner box placer(110) to be cut off from the outside; a support(300) provided with an installation hole and four bearing walls having fitting spaces to place each corner of the finishing materials(200); a primary bolt member(400) provided with a screw hole and screwed around the inner box placer(110) through the installation hole of the support(300) to fix the support(300); an outer support(600) covering up each corners of the finishing materials(200), then supporting from the outside of the finishing materials(200); and a secondary bolt member(500) provided with a bolting part interposed in the screw hole of the primary bolt member(400) and a head part having a fastening/dismantling groove to make the finishing materials(200) supported by the outer support(600).
Patent KR-20030041055-A (KR)
Title: Plasma display panel and method of driving the same
Inventor: AHN SEONG YONG
IPC: G09G3/291
Filed: 2001-11-19
Abstract: PURPOSE: A plasma display panel is provided to shorten an address period by a dual scan manner. CONSTITUTION: A sustain electrode line group is disposed in parallel on the first substrate. Data electrode lines(X) are intersected with the sustain electrode line group on the second substrate opposite to the first substrate. A plurality of bulkheads(36) are formed between the first substrate and the second substrate to provide a discharge space where a discharge gas is charged. The data electrode lines are disposed alternately at discharge regions of the bulkheads and lower parts of the bulkheads. The discharge cells are provided at intersections of the sustain electrode line group and the data electrode lines formed at the discharge regions.
Patent KR-20010111468-A (KR)
Title: 바 형태를 구비한 이형 선재의 교정장치
Inventor: YOO BYONG SEOP
Filed: 2001-11-20
Abstract: 본 발명은 스테인레스 등의 선재를 이형선재로 연속적으로 압연하는 공정 중 절단되거나 또는 최종적으로 압연이 완료되어 절단된 바(Bar)형태의 이형선재를 상하 및 전후방향으로 곧게 펴는 이형선재의 교정장치에 관한 것이다. 
     본 발명은 구동모터(20)와; 상기 구동모터(20)의 동력을 전달받아 감속을 해주며, 다축으로 동력을 전달하는 다축 감속기(22)와; 상기 감속기(22)의 동력을 롤러들에 전달하는 유니버셜 죠인트(24)들과; 상기 유니버셜 죠인트(24)들에 일단이 결합된 구동축(26)들과; 상기 구동축(26)들을 회전 가능하게 지지하며, 그 구동축(26)들을 상하로 조정할 수 있도록 상측을 관통하여 조정볼트(28)들을 구비한 프레임(30)과; 상기 구동축(26)들의 타단에 전후방향으로 이동 가능하도록 앞쪽을 관통하여 조정볼트(32)들을 구비하고, 외주에 구동롤러(34)(36)들을 구비한 이동부재(38)들을 포함하는 것이다. 
     본 발명에 의하면, 바 형태로 절단된 상태로 들어오는 이형선재를 한 세트의 구동롤러를 가지고 이송을 시키면서도 동시에 전후 상하방향으로 간단하게 교정을 할 수 있는 효과가 있다.
Patent KR-20030050466-A (KR)
Title: Multilayered directivity coupler
Inventor: HONG GI PYO
IPC: H01P5/18
Filed: 2001-12-18
Abstract: PURPOSE: A direction coupler is provided to consist of a dielectric layer where a pattern for a main signal line is formed and a dielectric layer where a pattern for a coupling signal line is formed. CONSTITUTION: A top cover comprises a main signal line(220) formed on a top of the first dielectric layer(222,227) with a conductive pattern, a coupling signal line(240) formed on a top of the second dielectric layer(242,247) with a conductive pattern, and the third dielectric layer formed on the second dielectric layer. An input terminal, an output terminal, a coupling terminal and an isolation terminal are formed at a side of a structure(210) where the first to third dielectric layers are stacked. The input and output terminals are connected to both ends of the main signal line respectively, and the coupling and isolation terminals are connected to both ends of the coupling signal line respectively.
Patent KR-20030050607-A (KR)
Inventor: HWANG SEONG UK
IPC: F16F13/06
Filed: 2001-12-19
Abstract: PURPOSE: A shock absorber for a vehicle is provided to reduce noise by constricting a rebound stopper with an upper surface of an inner tube in a rebound stroke with holes for generating damping force. CONSTITUTION: An inner tube(22) of a shock absorber for a vehicle has holes(22a) for generating damping force at regular intervals. Therein, holes for generating damping force constrict operational noise of a rebound stopper(70) in a rebound stroke of a piston rod(40). The hole for generating damping force is fine at a micron unit. Holes for generating damping force are formed to be denser on upper portions than lower portions. Therein, strong damping force is generated when a piston(30) moves to the upper portion of the inner tube. Therefore, operational noise of the shock absorber by the rebound stopper is reduced.
Patent KR-20030050884-A (KR)
Title: Method of Extracting Winning Lottery to Low Price
Inventor: LIM HEE DAE
Filed: 2001-12-19
Abstract: PURPOSE: A method for drawing a lottery ticket is provided to purchase a won lottery ticket as new lottery ticket and select a possessor of the new lottery ticket using a lottery number by registering many lottery tickets drawn to small amount of money electronically and endowing the lottery number. CONSTITUTION: A prizewinner performs a log-on process to a central control device connected to a line using a modem of an interface(S110). A kind of a lottery ticket is selected and a purchase condition is recorded(S120). The central control device checks whether a winning lottery ticket is valid(S130). A classification identifier is created by responding to a condition added in an identification factor and transmitted to a prizewinner(S140). The central control device purchases new lottery ticket in accordance with the identification factor and changes a record of the identification factor(S150). The central control device selects at least one classification identifier from a storage(S160). New lottery corresponded to the identification factor is transmitted(S170).
Patent KR-20030055406-A (KR)
Title: PVC Bandwidth Change Method In ATM Switch
Inventor: CHO HANG SEOK
IPC: H04L12/50
Filed: 2001-12-26
Abstract: PURPOSE: A method for changing a PVC(Permanent Virtual Connection) band of an ATM switch is provided to receive and process a request of changing the PVC band corresponding to other switch path, even though the switch path is not preset, thereby supplying an optimal band changing function. CONSTITUTION: If a band changing request is generated for a preset PVC connection(S41), a PVC connection manager checks whether a changing-requested PVC band exceeds available bands of originating and receiving subscriber links(S42,S43). If not, the PVC connection manager assigns subscriber link resources, and checks whether the requested band exceeds an available band of a preset switch path(S45). If not, the PVC connection manager assigns the switch path, and a PVC connection controller changes the band for the PVC connection(S46), and updates using band fields and available band fields(S47), then informs that the PVC band change is accepted(S48).
Patent KR-20030056626-A (KR)
Title: Geo-synthetic water blocking materials
Inventor: OH SE HUN
IPC: E02D3/00
Filed: 2001-12-28
Abstract: PURPOSE: A geosynthetic clay liner for drainage leachate in a landfill is provided to improve tensile strength, vertical and horizontal permeability and contact shear strength. CONSTITUTION: The geosynthetic clay liner for draining leachate in a landfill comprises the steps of installing base fabrics(10) formed by intersecting the warp and woof at right angles using filament yarn or spun yarn on primary woven fabrics(20), placing geonet(30) on secondary woven fabrics(40), attaching base fabrics(10) on one side of the primary woven fabrics(20) by needle-punching, and placing primary woven fabrics(20) on the top of the geonet(30) to make the base fabrics(10) face upward, then thermal welding.
Patent KR-20010075169-A (KR)
IPC: B27N3/00
Filed: 1999-08-04
Abstract: 본 명세서에 개시된 것은 셀룰로오스 합성 가공물 및 셀룰로오스 합성 가공물을 만드는 증기 분사 방법인데, 상기 방법은 수지 접합제를 셀룰로오스 재료와 섞어서 혼합물을 만든 후에 셀룰로오스 재료/수지 접합제 혼합물로부터 매트를 형성하고 상기 매트를 상기 프레스 장치 내에서 열, 증기, 및 압력을 가하여 강화시켜 강화된 셀룰로오스 제품을 형성하도록 한다. 증기 분사 압반은 길게 연장된 구멍을 포함하는데, 상기 구멍은 증기 분배판 근처의 상기 매트에 두루 증기가 분사되도록 한다. 상기 증기 분배판은 유체에서 상기 증기 주입 압반 구멍과 유체연결되어 있는 슬롯을 포함하고 상기 증기 분배 압반에 있는 상기 구멍 전반에 장착되어 있는데, 이는 강화 중에 상기 매트 전반이 균일하고 완전한 증기 분배에 도달하도록 하기 위해서이다. 상기 증기는 분사되고 이후에 상기 동일한 증기 분사 압반을 통해 배출되어 배향된 프레스 압반은 결 처리되거나 깊게 윤곽이 새겨져 상기 강화 셀룰로오스 제품 주 표면에 다양한 엠보싱 처리된 디자인을 제공한다.
Patent KR-20010107958-A (KR)
IPC: A61F5/44
Filed: 1998-11-10
Abstract: 본 발명은 전방 영역, 후방 영역, 및 상기 전방 영역과 후방 영역 사이에 있는 가랑이 영역을 갖는 일회용 풀-온 가멘트에 관한 것이다.  일회용 풀-온 가멘트는 전방, 후방 및 가랑이 영역에 제공된 섀시를 포함한다.  섀시는 전방 및 후방 영역에서 가랑이 선을 갖고, 액체 투과성 상면시이트, 상기 상면시이트에 연결된 액체 불투과성 배면시이트, 및 상기 상면시이트와 배면시이트 사이에 배치된 흡수 코어를 포함한다.  일회용 풀-온 가멘트는 전방 및 후방 영역에서 섀시로부터 측방향 외측으로 연장된 적어도 한쌍의 귀모양 패널을 추가로 포함한다.  귀모양 패널을 섀시에 연결시켜 2 개의 다리 개구 및 1 개의 허리 개구를 형성한다.  일회용 풀-온 가멘트는 가랑이 영역에서 배면시이트에 연결된 폐기 장치를 추가로 포함한다.  폐기 장치는 가멘트가 오염된 후 편리한 폐기 형상로 일회용 풀-온 가멘트를 고착시킬 수 있는 제 1 고착 수단을 포함한다.  편리한 폐기 형상은 귀모양 패널의 일부를 제 1 고착 수단을 통해 배면시이트에 고착시킴으로써 형성된다.  폐기 장치는 제 1 고착 수단의 목적하는 사용 이전에 제 1 고착 수단을 보호하는 수단을 갖는다.
Patent KR-20020000797-A (KR)
Title: 참조 비디오를 사용하지 않고 디지털 비디오 품질을평가하기 위한 방법 및 장치
IPC: H04N17/00
Filed: 2000-04-13
Abstract: 참조 이미지를 필요로 하지 않는 이미지 품질 평가를 수행하기 위한 방법 및 장치에 관한 것이다.   장치(100)는 시각 프리-프로세서(300),  가상 참조 발생기(304), 가상 왜곡 발생기(306) 및 이미지 품질 메트릭 발생기(308)를 포함한다.  시각 프리프로세서(300)는 입력 이미지 시퀀스에 대해 시각-유사(vision-like) 변환을 수행하여 시각 에너지 맵을 발생시킨다.   가상 참조 발생기(304)는 시각 에너지 맵에 대해 동작하여 가상 참조를 발생시키고, 가상 왜곡 발생기(306)는 가상 참조 발생기에 의해 사용되어 가상 참조를 발생시키는 왜곡 평가치를 발생시킨다.  가상 왜곡 및 가상 참조는 이미지 품질 메트릭 발생기(308)에 의해 사용되어 참조 비디오 시퀀스를 사용하지 않고 입력 비디오 시퀀스에 대한 이미지 품질 메트릭을 발생시킨다.
Patent KR-20020011383-A (KR)
IPC: G01T1/185
Filed: 2000-03-30
Abstract: 본 발명은 이온화 방사선을 검출하기 위한 검출기(64)와, 이와 같은 검출기로 이루어진 평면빔 방사선투과사진법에 이용하기 위한 장치 및, 이온화 방사선을 검출하기 위한 방법을 제공한다.   검출기는, 이온화 가능 매체로 채워진 챔버와,  컨버전 볼륨(13)을 포함하는 제1전극배열과 제2전극배열 사이의 공간을 갖는 상기 챔버에 제공된 제1 및 제2전극배열(2, 1, 18, 19), 상기 챔버에 배치된 전자 애벌란시 증폭수단(17) 및, 전자 애벌란시의 검출을 위한 리드-아웃 요소(15)의 적어도 하나의 배열을 구비하여 구성된다.   상기 제1전극배열과 제2전극배열 사이의 컨버전 볼륨으로 방사선이 들어가도록 방사선 입사가 제공된다.   잘 규정된 애벌란시를 달성하기 위해, 전자 애벌란시 증폭수단은 다수의 애벌란시 영역을 포함한다.
Patent KR-20020001876-A (KR)
IPC: A61K31/40
Filed: 2000-05-03
Abstract: 본 발명은 장기간 지속 효과를 갖는 콜린억제 화합물과 장기간 지속 효과를 갖는 β-유사체를 기본으로 하는 신규한 의약 조성물, 이의 제조방법 및 호흡기 질병 치료에서의 이들의 용도에 관한 것이다.
Patent KR-20020011445-A (KR)
Title: 두부 외상으로 유도된 세포질 칼슘 결합 단백질
IPC: C07K14/47
Filed: 2000-06-14
Abstract: ANIC-BP 폴리펩티드 및 폴리뉴클레오티드 및 재조합 기술에 의해 상기 폴리펩티드를 제조하는 방법이 개시되어 있다.   또한 진단 분석에서 ANIC-BP 폴리펩티드 및 폴리뉴클레오티드를 사용한 방법이 개시되어 있다.
Patent KR-20030062917-A (KR)
Title: Foldable Bed
Inventor: HWANG JU HWAN
IPC: A47C17/82
Filed: 2002-01-21
Abstract: PURPOSE: Provided is a folding bed which prevents the bends from generating when the sheet is unfolded, has the simplified structure to prevent from the operation error and is used conveniently. CONSTITUTION: The folding bed comprising a bottom frame for accomplishing the folding by bonding a plurality of X supporters(3,4) and the lower and upper hinge bonded elements(5,6) each other and a sheet on the frame is characterized in that a sealing extension part(14) for receiving a folding device on the both sides of sheet body is formed; an unfolding device(20) connected to and facilitated in the one side of the supporter(4) is provided to the sealing extension part; and the unfolding device(20) is a bonded form of an extension element hinge bonded to one side curved extension part of the supporter(4) and a guide element.
Patent KR-20020063518-A (KR)
Title: Cell for analyzing fluid and analyzing apparatus using the same
Inventor: UCHIMURA KOJI
IPC: G01N21/05
Filed: 2002-01-29
Abstract: PURPOSE: Provided are a cell for analyzing fluid and an analyzing apparatus using the cell which improve the degree of freedom as to the arrangement of the cell, are disposed at a small space, obtain a sufficient optical length by a small amount of sample, do not require a large-sized light shielding mechanism nor an additional many constituent parts and change the optical length easily. CONSTITUTION: The cell(C) for analyzing fluid is configured in a manner that sample flows therein and irradiation light passes through the sample(S). The cell(C) includes: an inner tube in which the sample(S) passes; a protection tube formed outside the inner tube to hold shape of the inner tube; and a reflection layer(1) formed between the inner tube and the protection tube to reflect the light passing within the inner tube.
Patent KR-20030065170-A (KR)
Title: METHOD Of DRIVING PLASMA DISPLAY PANEL
Inventor: CHOI JEONG PIL
IPC: G09G3/296
Filed: 2002-01-31
Abstract: PURPOSE: A method for driving a plasma display panel is provided to restrain a discharging phenomenon between a couple of sustain electrodes in a non-display period by using a voltage having the same polarity as a ramp waveform to a common sustain electrode in a setup period. CONSTITUTION: A ramp waveform is partially applied to the first electrode in a non-display period. A DC voltage is applied to the second electrode in order to reduce a voltage difference between the first electrode and the second electrode. The DC voltage applied to the second electrode has the same polarity as the ramp waveform applied to the first electrode. The non-display period includes a setup period for supplying the ramp waveform of a rising gradient to the first electrode. In addition, the non-display period for applying the DC voltage to the second electrode corresponds to the non-display period of the remaining subfields except for the first subfield.
Patent KR-20030067198-A (KR)
Title: Apparatus for baking resist on semiconductor wafers
Inventor: SHIN IL SEONG
IPC: H01L21/027
Filed: 2002-02-07
Abstract: PURPOSE: An apparatus for baking resist on a semiconductor wafer is provided to improve production yield of the wafer in a baking process by preventing cold air from being induced to a heating plate when the wafer is loaded/unloaded in a baking apparatus. CONSTITUTION: The wafer is placed and baked on the heating plate(120). The heating plate is covered with an oven cover(130) so that a heating space is formed. An outside air preventing unit prevents the outside air from being induced to the wafer heating space through a space between the heating plate and the oven cover.
Patent KR-20030067955-A (KR)
Inventor: CHOI BYEONG RYONG
IPC: H01L31/068
Filed: 2002-02-09
Abstract: PURPOSE: A silicon photo-detecting device is provided to be capable of improving quantum efficiency though using silicon as semiconductor material by forming an ultra-shallow doped region at a silicon substrate. CONSTITUTION: A silicon photo-detecting device is provided with an N-type or P-type silicon based substrate(11), an ultra-shallow doped region(15) having an opposite type to that of the silicon based substrate, formed at one side of the silicon based substrate for generating photoelectric conversion effect caused by the quantum confinement effect of a P-N junction region formed between the silicon based substrate and the ultra-shallow doped region in the wavelength range of 100-1100 nm, and the first and second electrode(17,19) formed at one and the other side of the silicon based substrate, respectively.
Patent KR-20030022001-A (KR)
Title: Magnetic recording medium and magnetic storage apparatus using the same
Inventor: INOMATA AKIHIRO
IPC: G11B5/02
Filed: 2002-02-25
Abstract: PURPOSE: To improve a magnetic recording medium including counterparallel first and second magnetic layers formed to realize an improvement in thermal stability and a reduction of medium noise in such a manner that magnetic recording and reproducing can be performed at a high speed. CONSTITUTION: This magnetic recording medium includes a structure obtained by magnetically coupling, in a counterparallel state, the first magnetic layer and the second magnetic layer across a nonmagnetic bond layer formed therebetween, in which the exchange bond magnetic field Hex of the first magnetic layer is set greater than the coercive force Hc 1 of the first magnetic layer and the coercive force Hc 2 of the second magnetic layer, respectively.
Patent KR-20030071159-A (KR)
Title: Enhanced fabrication of symmetric optical fiber grating using a reflector
Inventor: BAEK UN CHUL
IPC: G02B6/00
Filed: 2002-02-28
Abstract: PURPOSE: An apparatus for fabricating a symmetric optical fiber grating using an improved reflective mirror is provided to prevent a double reflection phenomenon by moving periodically an optical fiber. CONSTITUTION: An apparatus for fabricating a symmetric optical fiber grating using an improved reflective mirror includes an optical fiber movement portion(10), a mirror(18), a concave reflective mirror(20), a ring(28), the second convex lens(26), and the first convex lens(24). The optical fiber movement portion(10) moves an optical fiber(16), periodically. A center hole is formed at a center portion of the mirror(18). The optical fiber(16) passes through the center hole of the mirror(18). A center hole is formed at a center portion of the concave reflective mirror(20). The optical fiber(16) passes through the center hole of the concave reflective mirror(20). The ring(28) includes an aperture. The second convex lens(26) is installed at an upper portion of the ring(28). The first convex lens(24) is installed at the second convex lens(26).
Patent KR-20030072036-A (KR)
Title: The back light for LCD
Inventor: CHO GWANG SEOP
IPC: G02F1/13357
Filed: 2002-03-05
Abstract: PURPOSE: A backlight for an LCD is provided to arrange a fluorescent lamp inside a light guide to minimize loss of lights so as to improve luminance and reduce external shocks applied to the backlight. CONSTITUTION: A backlight for an LCD includes a reflecting plate(20), a light guide(30), a diffusion plate(40), a fluorescent lamp(10), and a protection sheet(50). The reflecting plate has a projected portion and a flat portion formed at both side of the projected portion. The light guide is located on the reflecting plate and includes a hole corresponding to the projected portion of the reflecting plate and the second flat portion corresponding to the flat portion of the reflecting plate. The diffusion plate is placed on the light guide and uniformly distribute lights that have passed through the light guide. The fluorescent lamp arranged on the projected portion of the reflecting plate. The protection sheet is located on the diffusion plate and protects the surface of the backlight.
Patent KR-20020026339-A (KR)
Inventor: KIM KI YOUNG
Filed: 2002-03-18
Abstract: PURPOSE: A method for repaying a purchase price is provided to refund the whole or a partial portion of a buying price when a buyer draws a winning number and to donate a predetermined rate of the repayment by supplying an opportunity for drawing a lottery to the buyer who bought a commodity using a drawing tool at all times. CONSTITUTION: A lottery drawing tool(50) capable of checking a prize winning or not visually is installed in a market operated by an operator. An opportunity for drawing a lottery is supplied to the buyer who bought a commodity in the market using a drawing tool(50) at all times. If the buyer is drawn as a prizewinner as a result of a drawing process of the drawing tool(50), a designated buying price is refund to the buyer. The buyer who received a repayment is induced to donate a predetermined rate of the repayment in a collecting box for a social welfare. The drawing tool(50) includes a rotating plate(55) having a plurality of sectional surfaces(53,54) and an indication needle(56) for indicating one sectional surface when the rotating plate(55) is stopped.