baber/WOPTO huggingface dataset:
Patent KR-20040035486-A (KR)
Title: method for manufacturing of phase shift blank mask and photo-mask
Inventor: NAM GI SU
IPC: H01L21/027
Filed: 2002-10-22
Abstract: PURPOSE: A method for fabricating a halftone phase shift blank mask and a photo mask is provided to reduce the thickness necessary for a phase shift layer of 180 degrees by forming a phase shift layer having a large refractive index. CONSTITUTION: A phase shift layer(20) is formed on a transparent substrate(10) by mixing argon gas and methane gas according to a predetermined ratio by using a MoSi target. A shielding layer(30) is formed on the phase shift layer(20) by mixing the argon gas, nitrogen gas, and the methane gas by using a chrome target. An anti-reflective layer(40) is formed on the shielding layer(30) by using the mixed gas of the argon gas, the nitrogen gas, and CO2 gas or the mixed gas of the argon gas, N2O gas, and NO gas. A resister layer(50) is formed on the anti-reflective layer.
Patent KR-20030038394-A (KR)
Title: (meth)acryloyl group-containing compound and method for producing the same
Inventor: FUKADA AKIHIKO
IPC: C08F2/46
Filed: 2002-10-31
Abstract: PURPOSE: Provided are a (meth)acryloyl group-containing compound suitable for various uses and a method for producing the compound with ease under a mild condition. CONSTITUTION: The (meth)acryloyl group-containing compound is prepared by the method comprising the step of reacting a compound having both (meth)acryloyl group and vinyl ether group with a compound having two or more functional groups reactive in the addition reaction with the vinyl ether group. The functional groups are selected from hydroxy group, carboxy group and thiol group.
Patent KR-20040038450-A (KR)
Title: Circuit and method for screening defect cell of semiconductor memory device therefor
Inventor: BAE YONG JUN
IPC: G11C29/00
Filed: 2002-11-01
Abstract: PURPOSE: A defect cell screen circuit of a semiconductor memory device and a method for the same are provided to effectively detect the defect cell since the screen is performed by reducing the pulse width margin of the word line selection signal of a conventional write mode during the defect cell screen mode. CONSTITUTION: A defect cell screen circuit of a semiconductor memory device includes a mode selection circuit(100), a data transition detector(DTD), DTD Summator Pulse signal(PPD) generation circuit(200). The mode selection circuit(100) outputs a pair of mode selection signals being opposite to each other by receiving the option signal through the option pads. The PPD pulse generation circuit(200) controls the width of the word line selection signal by the mode selection signal outputted from the mode selection circuit(100) by receiving the DTD signal.
Patent KR-20040039571-A (KR)
Title: Micro-fluidic devices to mix micro-fluids
Inventor: KIM GYU WON
IPC: B01F5/06
Filed: 2002-11-02
Abstract: PURPOSE: A microfluidic device applied to a biochip is provided to mix microfluid by disposing hot wires in a reaction chamber to form layers and heating or cooling stored fluids. CONSTITUTION: The microfluidic device for mixing microfluid comprises a first flow channel delivering a first fluid(106); a second flow channel delivering a second fluid(108); a reaction chamber connected to ends of the first and second flow channels and having hot wires(104) for heating the inside; and a part for stopping flow connected to end of the reaction chamber so as to prevent the first and second fluids from moving. When the first and second fluids meet in the reaction chamber and form layers, the first and second fluids are heated or cooled using the hot wires to generate the density difference, thereby mixing the first and second fluids by gravity.
Patent KR-20040039593-A (KR)
Title: Method of forming a dual damascene pattern in a semiconductor device
Inventor: CHOI JAE SEONG
IPC: H01L21/28
Filed: 2002-11-04
Abstract: PURPOSE: A method for forming a dual damascene pattern of a semiconductor device is provided to improve reliability by guaranteeing a sufficient process margin while maintaining a contact area as it is, and to improve an electrical characteristic by controlling a leakage current and a defective metal electro-migration. CONSTITUTION: An interlayer dielectric is formed on a semiconductor substrate in which various elements including a semiconductor device are formed. A plurality of via holes(107) of a predetermined pattern are formed on the interlayer dielectric. A trench(108) that overlaps the via hole and has a small width in its portion adjacent to a peripheral via hole(107a) is formed in the interlayer dielectric.
Patent KR-20040031555-A (KR)
Inventor: OK SAM SEOK
IPC: B01D53/34
Filed: 2002-11-04
Abstract: PURPOSE: Provided is a deodorizing apparatus which removes odor by trapping odor and locally sealing odor source, allows media therein to be easily replaced and can be fabricated at low cost and realized in compact size. CONSTITUTION: The apparatus comprises a chamber type main body (10), a plurality of media storage sections (5-1,5-2,5-3,5-4) provided in the main body (10), a plurality of empty spaces (4-1,4-2,4-3,4-4) between the media storage sections (5-1,5-2,5-3,5-4), respectively, wherein if media in different storage sections (5-1,5-2,5-3,5-4) have different kinds of microorganisms, different odor substance can be simultaneously trapped and decomposed, a water supply pump (16), and spray nozzles (7,7') for spraying water on the inside of the main body (10) for maintaining humidity constant, and periodically spraying chemicals.
Patent KR-20040042722-A (KR)
Title: User interface method for screen configuration of digital tv
Inventor: NAM SANG U
IPC: G06F13/00
Filed: 2002-11-15
Abstract: PURPOSE: A user interface method for forming a screen of a digital TV is provided to conveniently set a desired value by correcting data quickly and user-friendly when a spin-box is used. CONSTITUTION: The callback for recognizing the value inputted to a text field widget is registered. A source is inserted into a function called by the callback. The predetermined value is inputted to the text widget by a user. The inputted value is recognized/processed by the selected callback. The callback comprises the callback generated when an enter key is pushed in the text field widget and the callback generated by the transfer to other widget from the text field widget.
Patent KR-20020094948-A (KR)
Inventor: CHOI YONG GI
IPC: A23L3/00
Filed: 2002-11-29
Abstract: PURPOSE: A method of reducing decomposition and spoilage of agricultural and fishery products by giving magnetic force, sufficiently supplying oxygen or the like to the products is provided which prevents damage of the products and makes it possible to maintain fresh. CONSTITUTION: For maintaining the freshness of an agricultural and fishery product which are processed or to be processed, they are allowed to be placed in a magnetic field or protected by installation of a shielding layer, wall and membrane around them. A magnet is installed to impart magnetic force to a water molecule, and agitation or aeration facilities are installed to increase the magnetic force.
Patent KR-20040047410-A (KR)
Title: Method of providing voice magazine service and apparatus thereof
Inventor: KONG JEONG HUN
IPC: G06F17/00
Filed: 2002-11-30
Abstract: PURPOSE: A method and a device for offering a voice magazine are provided to offer the voice magazine to a user by searching a registered subject of the user from a CP(Contents Provider) server providing the voice contents, and generating the voice magazine as bundling the voice contents. CONSTITUTION: A transmitter/receiver(401) transmits/receives the needed information with a user terminal and the CP server. A CP server searcher(402) receives the voice magazine purchase information from the transmitter/receiver and searches the CP servers. A voice magazine generator(403) generates the voice magazine by requesting/receiving the voice contents from the CP servers. An expense requester(404) generates/transmits the expense charging information to the user terminal, and receives the settlement approval information and the settlement tool information from the user terminal. A settlement information manager(405) requests the expense settlement to a bank server and receives the settlement confirmation information from the bank server. A voice magazine transmitter(406) transmits the voice magazine and the settlement confirmation information to the user terminal.
Patent KR-20040050102-A (KR)
Title: Underfloor air-conditioning system
Inventor: AHN BYEONG GUK
IPC: F24F7/10
Filed: 2002-12-09
Abstract: PURPOSE: A floor air conditioning system is provided to reduce a floor height of a building by removing an air supply duct by forming an air conditioning system on a floor surface. CONSTITUTION: Embedded type composite beams(111) have a slab(110a) laid across a lower flange upper surface of a steel beam. An access floor(40) is formed on the slab for forming an air supply space. A ceiling(30) is installed under an upper slab(110b) for forming a ventilating part in a space with the upper slab, wherein an illuminator is installed. An air conditioning element(70) and an air supply element(41) control an indoor air state and circulate air.
Patent KR-20040056148-A (KR)
Inventor: SHIN JEONG HO
IPC: A44B1/04
Filed: 2002-12-23
Abstract: PURPOSE: A detachable accessory for a button is provided to decorate the surface of the button, thereby to present an elegant mood is possible. CONSTITUTION: The detachable accessory for a button comprises: a decorating part(10) on which jewelry(12) as like gold, silver, jewel, etc is attached to install; a fixing part(20) which is installed under the decorating part(12) and a room is formed to contain the button. The fixing part(20) have a pair of opening pins(24) which is protruded outward by a predetermined length and a tightening wire along the inside wall of the room which is separated by a predetermined distance by the opening pins.
Patent KR-20030007349-A (KR)
Inventor: LEE JEONG MIN
IPC: B65D33/38
Filed: 2002-12-16
Abstract: PURPOSE: A cover of a discharge part for a liquid container having a rubber cap in one body is provided to facilitate production process, use without opening the cover and mix contents included in the container with another contents, by integrating the rubber cap with the cover. CONSTITUTION: A liquid container includes a soft packing container for receiving contents, a discharging part(20) coupled(attached) to an edge portion of the container with centering a bonding part, and a cover(30) for opening and closing formed in a curved part(21) protruded over the discharge part. A punched part having a predetermined size is formed on the upper surface of the cover. A forgery-free part(32) is connected as a connection part to the upper side of the punched part. A rubber cap(RC) is assembled in the lower side of the punched part having the forgery-free part.
Patent KR-20030057360-A (KR)
IPC: B60L3/00
Filed: 2002-12-26
Abstract: 전지 온도와 전지 전압을 검출하기 위한 배선을 간단하게 한다.  전지 전압을 검출하는 배선이 쇼트되었을 때에 흐르는 전류를 제한한다. 
     전원 장치는 복수의 이차 전지(2)와, 각각의 이차 전지(2)의 전압, 혹은 이차 전지(2)를 직렬로 접속하고 있는 복수의 전지 모듈(1)의 전압을 검출하는 전압 검출 회로(3)와, 이차 전지(2)의 온도를 검출하는 온도 소자(4)를 구비한다.  온도 소자(4)는 전지 온도가 낮을 때는 전기 저항이 작고, 전지 온도가 설정 온도보다도 높아지면 전기 저항이 증가되는 온도 특성을 갖는다.  전압 검출 회로(3)는 전압을 검출하기 위한 리드선에 온도 소자(4)를 병용하고 있고, 전지의 전압 또는 전지 모듈(1)의 전압을 검출하는 동시에, 전지 온도도 검출하고 있다.
Patent KR-20040060436-A (KR)
Title: A memory being differently reset-controlled from processor and the method for checking system status
Inventor: KWON HYEOK IN
IPC: G06F1/24
Filed: 2002-12-30
Abstract: PURPOSE: A register reset differently from a microprocessor and a method for checking a system state are provided to keep the state even if the microprocessor is reset by equipping with the register reset differently from the microprocessor. CONSTITUTION: The register(200) keeps/records the system state. The microprocessor(220) controls the register. The first reset(240) controller controls the reset of the microprocessor. The second reset controller(260) controls the reset of the register. An output terminal for the microprocessor controls the reset of the register differently from the second reset controller. The register is reset by a power terminal of the second reset controller.
Patent KR-20020019570-A (KR)
Title: Electroluminescent device and method for the production thereof
IPC: H05B33/12
Filed: 2000-07-28
Abstract: An electroluminescent device comprising two electrodes (3, 5) whereby at least one organic electroluminescent semiconducting layer (4) is arranged therebetween, in addition to a substrate (2) supporting said device, and an electric current source (1) which is electroconductively linked to said electrodes. The inventive device is characterized in that substrate (2) is made or a metal or metal alloy.
Patent KR-20020034179-A (KR)
IPC: C08J3/20
Filed: 2000-08-25
Abstract: 본 발명에서는 폴리우레탄수지 2∼75중량부와, 라디칼중합성 물질 30∼60중량부와, 가열에 의해 유리라디칼을 발생시키는 경화제 0.1∼30중량부를 포함하는 배선접속재료(15)와, 이것을 사용시키는 배선판 제조방법이 제공된다. 또, 본 발명의 배선접속재료(15)는 필름형성재 및/또는 도전성 입자(14)를 더 포함하는 것이 바람직하다.
Patent KR-20020048415-A (KR)
Title: Uniform gas distribution in large area plasma source
IPC: H05H1/46
Filed: 2000-09-18
Abstract: The apparatus generates a time-varying magnetic field through a field admission window (22) of a plasma processing chamber (20) to create or sustain a plasma within the chamber by inductive coupling. It comprises:   a magnetic core (38) presenting a unipolar pole face structure (38a)   an inductor means (40) associated with the magnetic core, for generating a time-varying magnetic field throughout the unipolar pole face structure, means (42,44,48,51) for injecting gas into said chamber and through said magnetic core.   <IMAGE>
Patent KR-20020050252-A (KR)
Filed: 2000-11-06
Abstract: 본 발명은 무선 경로상에서 통신 네트워크(12, 15, 18)와 통신하는 무선 단말기(MS)와 서버(20) 사이에서 멀티미디어 메시징 서비스를 구현하기 위한 방법에 관한 것이다. 상기 방법은 상기 서버에서 상기 무선 단말기로 어드레스되는 적어도 하나의 멀티미디어 구성요소를 포함하는 멀티미디어 메시지를 수신하고 저장하는 단계 및 상기 무선 단말기(MS)의 적어도 하나의 특성에 대한 정보를 상기 서버에 저장하는 단계를 포함한다. 상기 방법은 상기 무선 단말기의 적어도 하나의 특성에 대한 상기 저장된 정보에 따라 상기 무선 단말기가 처리할 수 있는 상기 멀티미디어 메시지의 어떤 구성요소가 있는지를 결정하는 단계를 더 포함한다. 하나 이상의 그러한 구성요소(들)가 있는 경우, 상기 구성요소(들)는 전송을 위해 선택되고 상기 무선 단말기로 전송된다.
Patent KR-20020069187-A (KR)
IPC: A61K8/20
Filed: 2000-11-22
Abstract: 본 발명은, 화학식 (I) 을 가진 신규한 2환 화합물 및 그의 제조 방법 및 (피부과학, 종양학 및 자가면역 질병 분야 및 특히 장기 또는 조직 이식에서의 자가면역 질병 분야에서의) 인간 또는 수의 의약용 약학적 조성물 또는 화장 조성물에서의 그의 용도에 관한 것이다: 
     [화학식 I]
Patent KR-20020081241-A (KR)
Title: 통신 네트워크를 통하여 실행 가능한 다중 사용자어플리케이션용 어플리케이션 전개 인터페이스
IPC: H04L1/00
Filed: 2001-10-25
Abstract: 분포 네트워크를 통해 실행 가능한 다중 사용자 어플리케이션들을 전개하는 어플리케이션 전개 인터페이스가 설명된다. 객체 정의 구조는 다중 사용자 어플리케이션에 의해 이용되는 객체들의 고객 기저 정의로 제공된다. 객체 정의는 객체와 연동되고 그리고 분포 네트워크를 통하여 다른 고객들과 상호 작용 효과를 초래하는 어플리케이션에 의해 사용되는 캐릭터들을 포함한다. 브로드캐스트 스케줄은 하나 이상의 캐릭터들과 연동되고 그리고 분포 네트워크에서 제작중인 고객으로부터 다른 고객들로 객체 데이터의 전송을 제어한다. 다중 사용자 어플리케이션의 실행 동안, 브로드캐스팅 스케줄에 제공된 값들에 따라, 미리 설정된 한계값에 관련된 특성의 변화에 대해 객체의 특성은 자동적으로 주기적으로 경신된다. 고객에 의해 제작되는 객체 정의는 모든 기능들에 의해 사용되고 그리고 객체를 사용하는 다중 사용자 어플리케이션 내에서 처리된다.
Patent KR-20020076261-A (KR)
IPC: C07C63/38
Filed: 2000-11-30
Abstract: 본 발명은 치환된 방향족 화합물(예를 들면 p-크실렌)을 상응하는 방향족 산(예를 들면 테레프탈산)으로 산화시키는 개선된 방법에 관한 것이다.  개선점은 30%이상의 물, 바람직하게는 30% 이하의 계면활성제, 및 바람직하게는 보조 계면활성제로서 친수성 말단 기를 함유하는 저분자량 물질을 함유하는 수성 매질에서 산화 반응시킴을 포함한다.  반응은 3.0 미만의 pH에서 수행된다.
Patent KR-20020079868-A (KR)
Title: 데이터 매체로부터 데이터를 판독하는 장치 및 방법과 이장치 및 방법에 사용되는 데이터 매체
IPC: G06F13/00
Filed: 2001-12-06
Abstract: CD를 재생할 때, 추가 서비스를 인터넷 상에서 사용할 수 있다. 이들 서비스에 접근하기 위해서는, 출판사의 웹사이트의 어드레스가 재생장치에 알려져야만 한다. 따라서, 본 발명에 따르면, 데이터 매체로부터 데이터를 판독하는 장치가 제시되는데, 이 장치는, 상기 데이터 매체로부터 재생하려는 데이터와 상기 데이터를 식별하는 데이터 식별자를 판독하는 판독수단과, 상기 데이터 식별자를 중앙 데이터베이스로 전송하여 상기 판독된 데이터와 관련된 추가 정보를 요청하는 송신수단과, 상기 데이터 식별자를 사용하여, 상기 추가 정보를 저장하는 정보 데이터베이스의 어드레스 및/또는 상기 정보 데이터베이스로부터 상기 중앙 데이터베이스에 의해 요청된 상기 추가 정보를 포함하는 응답 메시지를 상기 중앙 데이터베이스로부터 수신하는 수신수단과, 상기 중앙 데이터베이스로부터 수신된 상기 어드레스를 사용하여, 상기 중앙 데이터베이스를 통해 상기 정보 데이터베이스로부터 수신되거나 상기 정보 데이터베이스로부터 요청된 상기 추가 정보를 처리하는 처리수단을 구비한다.
Patent KR-20020095470-A (KR)
Inventor: COUTURE PIERRE
IPC: H02P6/20
Filed: 1995-12-05
Abstract: A method and an apparatus for starting a synchronous machine having a rotor and a stator provided with windings. The rotor has an initial position relative to the stator. The method comprises the steps of (a) initialising a starting phase for starting a first vector sum of a series of current vector sums to be applied to the windings; (b) applying a series of current vector sums to the windings; (c) sensing rotor movement and the direction thereof for each of the current vector sums applied in step (b); (d) for each movement and direction sensed in step (c), compensating for the phase of a subsequent current vector sum applied to the windings in order to return the rotor to its initial position; (e) sensing whether the rotor has moved relative to the stator after the application of the series of current vector sums and either increasing the starting phase by a value other than a multiple of 180 electric degrees if the rotor has not moved and returning to step (b), or going to step (f); and (f), after step (e), storing the phase value of the last in the series of vector sums applied to the windings, whereby the machine is ready to be operated on the basis of the phase value stored in step (f).
Patent KR-20030001458-A (KR)
Title: Removable housing cover for a portable radio communication device
IPC: H04M1/7246
Filed: 2001-05-02
Abstract: The present invention relates to a removable housing cover that is adapted to be detachably connectable to a mobile phone. The removable cover having a distinguishing identity means associated therewith, and the phone having a sensor for sensing the distinguishing identity means of the removable cover and a processor controlling the operating characteristics of the device. The arrangement being such that in use, the removable housing cover is mounted on the phone and the sensor senses the identity means and outputs a sensed parameter of the identity means to the processor; wherein, the processor is responsive to the sensed parameter to change selected ones of the operating characteristics of the phone. In this way, changing the phone cover causes a change in the internal operating characteristics of the phone.
Patent KR-20030014248-A (KR)
Title: 탈취 홍화 황색소
IPC: A23L1/275
Filed: 2001-05-07
Abstract: 본 발명은, 홍화에 유래하는 냄새가 전혀없던지 또는 현저히 저감되어 이루어지는 홍화 황색소 및 상기 색소를 함유하는 색소 제제를 제공하는 것을 목적으로 한다.  본 발명은, 색가를 E 10%   1cm = 160 으로 한 경우에, 포함되는 향기 성분(예를 들면 초산, 이소길초산, 페닐에틸알코올, 페놀, 4-비닐페놀)의 농도가 100ppm 이하인 홍화 황색소, 및 해당 색소를 함유하는 홍화 황색소 제제이다.
Patent KR-20030013479-A (KR)
Title: Polycyclic, fused ring compounds, metal complexes and polymerization process
IPC: C07F5/02
Filed: 2001-06-12
Abstract: Compounds and metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof having up to 60 atoms other than hydrogen, said ligand comprising at least: (1) a cyclopentadienyl ring, (2) a 6, 7, or 8 membered ring other than a 6-carbon aromatic ring, and (3) an aromatic ring, with the proviso that said 6, 7, or 8 membered ring (2), is fused to both the cyclopentadienyl ring (1), and the aromatic ring (3), polymerization catalysts, a process to prepare the novel compounds and complexes, and olefin polymerization processes using the same are disclosed.
Patent KR-20040064106-A (KR)
Inventor: CHO HYEONG SEOK
IPC: B23K37/02
Filed: 2003-01-09
Abstract: PURPOSE: A sensor system for an auto-travel welding robot and an environment modeling method are provided to remove difficulties that operators work at a dark work environment with welding gas in manually welding closed blocks by detecting a weld line with recognizing a closed block welding environment of a ship by the robot and securing an environment modeling of the robot with a laser band. CONSTITUTION: A sensor system for an auto-travel welding robot for tracing a weld line in a closed block is composed of at least one laser diode for scanning laser slit-rays(36,37) to a specific object and cameras(31,32) for obtaining an image of the specific object scanned with the laser slit-ray. The sensor system recognizes a welding environment from the image obtained by the camera and includes a neural network filter for learning the distribution and the center of a laser band existing in the image obtained by the camera and extracting and separating a central line.
Patent KR-20040065074-A (KR)
Inventor: LEE IN SANG
IPC: A23L2/38
Filed: 2003-01-15
Abstract: PURPOSE: A hyssop beverage containing hyssop juice having effects of reducing hangover and constipation is provided. About 0.1 to 15ml hyssop juice is added to water or a conventional beverage to make a hyssop beverage. CONSTITUTION: Stems and leaves of raw hyssop are compressed to give hyssop juice. About 0.1 to 0.15ml hyssop juice is added to a solution of water or a beverage to make a hyssop beverage. For an example, 5ml hyssop juice is mixed with 5ml orange juice to produce a hyssop beverage.
Patent KR-20040065616-A (KR)
Title: Plasma display panel
Inventor: AHN JEONG GEUN
IPC: H01J11/54
Filed: 2003-01-15
Abstract: PURPOSE: A plasma display panel is provided to improve a brightness by using efficiently a discharge space and to maximize a ventilation efficiency. CONSTITUTION: A plasma display panel comprises a pair of front(10)/rear plate(12) containing a discharge gas, a closing type sidewall(18) separating a pixel and equipped at an inner side of one between the two plates, a joint(20) located at an intersection region of the sidewall, and a ventilation path connecting and passing a space divided by the sidewall at a top surface of the joint. The joint is located at the sidewall having a stripe structure and a delta structure. The ventilation path of the joint is formed with the joint lower than the sidewall.
Patent KR-20030018023-A (KR)
Title: Functional closet
Inventor: KIM KI OK
IPC: A47K13/00
Filed: 2003-01-16
Abstract: PURPOSE: A functional closet for men, women and infants is provided which is electronic·pneumatic-hydraulic, full natural color, electronic bidet and has water purifying and softening functions. CONSTITUTION: The closet comprises full color magnet/steel-storage/attachment-fixing/moving rings, a urinal cover, a closet cover, a closet seat, 90deg. seat top cover fixing ring, closet-closet seat-assembly and fixing screws, closet-closet seat-steel moving and fixing screws, a urinal cover, fixing and connecting rings, a urinal cover-convex lateral moving and fixing rings/90deg. seat bottom movable amount control ring, closet seat-mounted sensor, a body sensing/photo-sensing device and ultrasonic/infrared-water control automatic sensor.
Patent KR-20040074698-A (KR)
Inventor: KIM JUN SEOK
IPC: B62M3/08
Filed: 2003-02-18
Abstract: PURPOSE: A pedal derailleur for a bicycle is provided to shift gears conveniently and simply by adjusting the radius of rotation of the pedal, to maximize the shift range by adjusting the length of a crank, and to make the best use of space by folding the pedal in a line with the crank in transporting or storing the bicycle. CONSTITUTION: A pedal derailleur of a bicycle comprises a crank(10) having fixing shaft(11) with an elongated groove(13), a guide shaft(16) with a square pole type guide part(17), a cylindrical assembling part(21) and an external thread part(23), and an assembling unit combining the fixing shaft with the guide shaft; a nut(27) combined with the external thread part of the guide shaft and lifted up and down; a limit bolt(29) fixed to the lower part of the guide shaft; an assembly(30) composed of a rectangular hole(31), an assembling hole and a semicircular limit groove(33), and combined with a pedal(35); and a spring(36) and a ball(37) sequentially inserted to the assembling groove of the assembly. The assembly is moved along the guide part of the guide shaft in vertically lifting or horizontally pulling the pedal, and the ball is displaced from a lower support groove(20). The ball is supported in an upper support groove(19) in supporting the assembly in the lower part of the nut to adjust the radius of rotation of the pedal.