baber/WOPTO huggingface dataset:
Patent KR-20010077910-A (KR)
Title: Method for displaying full charge of battery
Inventor: KAITE OSAMU
IPC: G01R31/36
Filed: 2000-10-31
Abstract: PURPOSE: To rapidly display a full charge of a battery at the state that the battery temperature decreased. CONSTITUTION: The displaying method of battery is made by displaying the full charge of the battery while establishing a predetermined delay time after detecting the full charge of the battery. The delay time of a battery in which a charge time from the initiation of charge is shorter until the full charge is made longer than that of the battery in which the charge time is longer.
Patent KR-20020034400-A (KR)
Title: Method for interleaving in Mobile Communication System
Inventor: KIM MAN JE
IPC: H03M13/27
Filed: 2000-11-01
Abstract: PURPOSE: An interleaving method in a mobile telecommunication system is provided, which realizes two interleaving methods by one algorithm, while interleaving a code bit column to be transmitted in a transmitter unit. CONSTITUTION: In a process of passing channel-coded code symbols through an interleaver, values of upper n bits and lower m bits among binary address values of each bit constituting the above code symbols are converted by another function each other, when a distance between adjacent code symbols is J and a bit-reversing value of a binary address value expressing a column address of the interleaver is m and J is smaller than or equal to n square of 2. And each bit corresponding to address values constituted by the assembly of the converted n bits and m bits is output in sequence.
Patent KR-20020037798-A (KR)
Title: Improvements in stub-end for connecting stainless steel pipes
Inventor: KANG BYUNG YEUL
IPC: B21K1/16
Filed: 2000-11-15
Abstract: PURPOSE: Provided is an improved joint used for connecting between pipes in a pipe laying using stainless pipes, which reduces production cost by enhancing productivity and operation efficiency and improve the quality and life span of the product. CONSTITUTION: The joint(10) includes a tubal main body(11) with an end to which a stainless pipe is connected, and an end part(12) provided at the other end of the main body(11) and which is radially protruded to be coupled with a flange. The joint(10) is integratedly bent-formed from a single metal plate having a curved inner diameter part(13') and a vertical-shaped outer diameter part by a press molding operation including first and second press moldings where the main body(11) is connected to the end part(12).
Patent KR-20020045394-A (KR)
Title: System and method for processing public information in data network
Inventor: AHN CHANG SUP
IPC: G06Q50/26
Filed: 2000-12-08
Abstract: PURPOSE: A device and a method for transmitting the public information on data communication network are provided to diversify the transmission media for the public information and to maximize the effect by directly transmitting various types of AD(advertisement) information depositing to a public information management server to a terminal connecting to the server. CONSTITUTION: The device comprises the public information management servers(40) providing the public information to the terminals(10a-10n) and a certification server(50) guaranteeing the certification for the public information providing to the terminal from the server. The server comprises a public information storage storing various types of public information character and the information adding to the character, an information management server database for indirectly providing the public information to the terminal, a member information database storing the registration information of the terminal, a donation management database storing the management information for the donation provided from the terminal, a controller controlling the public information transmission and the return information of the public information.
Patent KR-20010062383-A (KR)
Inventor: HIBARI EIKO
IPC: G07D5/10
Filed: 2000-12-13
Abstract: PURPOSE: Provided is a coin discriminating device capable of efficiently discriminating the presence and/or absence of slant indentation in simple device configuration. CONSTITUTION: In the device for discriminating the prescribed slant indentation obliquely slanted in the direction of an axial line formed on the outer peripheral surface of a coin to be fed by a coin feeding path in the radial direction, the device has a light emitting means for irradiating the outer peripheral surface of the coin fed in the coin feeding path with light; a light receiving means located in the direction of forward reflecting light emitted by this light emitting means on the slant indentation; and a discriminating means for discriminating the presence and/or absence of the slant indentation on the basis of the light receiving level of this light receiving means.
Patent KR-20020047823-A (KR)
Title: Structure of silinder for door opening and closing
Inventor: LEE SANG CHEOL
IPC: B60J5/00
Filed: 2000-12-14
Abstract: PURPOSE: Structure of a cylinder of a door opening and closing device is provided to reduce the production cost by reducing the number of parts and excluding a bracket for installing a magnetic valve, to reduce the labor by reducing the size, and to improve the appearance. CONSTITUTION: Magnetic valves and speed control valves(10,12) are formed integrally. The integral magnetic valves are directly connected to a cylinder(13). Respective connecting portions of the magnetic valves have two female threaded portions and one male threaded portion. Air flows in through the magnetic valves, and the air flow rate is controlled by the speed control valves. Therefore, the closing speed of a door is controlled. The piston in the cylinder is stretched by the air flowing into the cylinder. Thus, the door is closed.
Patent KR-20020048453-A (KR)
Title: Screen apparatus for seat of express way bus
Inventor: KIM SU GWANG
IPC: B60N2/90
Filed: 2000-12-14
Abstract: PURPOSE: A screen for an express bus seat is provided to offer convenience to the passengers of an express bus and to improve marketability of the express bus by installing a screen to the side of a seat back. CONSTITUTION: Plates(22a,22b) are adhered to both side ends of a screen(21) and the one plate(22a) of the plates is fixed to the closed port surface of a cover(20) by a fixing rivet. The lower end of the screen is fixed by a hinge pin(25). A coil spring(24a) is installed to the lower end so that the plate(22b) can be turned. A button(23) in a body with the coil spring is installed to a predetermined position of the cover to release and control the screen. The screen is fixed to the side of the set back by a bolt. The screen is made of double extrusion plastic material.
Patent KR-20020049595-A (KR)
Title: A determination method of particle size of goethite by using mossbauer spectroscopy
Inventor: KIM BYEONG WON
IPC: G01N21/31
Filed: 2000-12-19
Abstract: PURPOSE: A method is provided to measure particle size of alpha-ferric hydroxide in a convenient and reliable manner by using a hyperfine magnetic field measured through Mossbauer analysis. CONSTITUTION: A method comprises a first step of measuring a hyperfine magnetic field and particle size of ferric hydroxide by using a Mossbauer spectrometer, and obtaining relationship between the hyperfine magnetic field and the particle size of ferric hydroxide; and a second step of measuring a hyperfine magnetic field by performing Mossbauer light intensity analysis to the ferric hydroxide of which particle size is to be measured, and obtaining the particle size of the ferric hydroxide by substituting the measured hyperfine magnetic field to the relationship obtained in the first step.
Patent KR-20020049669-A (KR)
Title: The device for lifting and guiding horizontal lid of mini-stand pipe
Inventor: HA U MOK
IPC: C10B41/08
Filed: 2000-12-20
Abstract: PURPOSE: A horizontal apparatus for guiding attaching or detaching of a mini ascension pipe lid of a U-tube unit is provided which is capable of adjusting an electromagnet of a lifting cylinder to the center of the lid in the process of attaching or detaching the mini ascension pipe lid using the lifting cylinder of the U-tube unit. CONSTITUTION: In a lifting system of a U-tube unit of a coke oven charging car, the horizontal apparatus for guiding attaching or detaching of a mini ascension pipe lid comprises a lid guide part consisting of an "8" shaped support(41) adhered to a lifting cylinder(31), a balance control bar(42) which is adhered onto the lower surface of the "8" shaped support(41) and equipped with one or more of lid guiding guides, and guide pipes(45) which are adhered onto the side surface of the "8" shaped support(41), and in the lower part of which fixing beams equipped with horizontality maintaining electromagnets(47) are installed; and a buffer part(50) at the lower surface of which an all-round joint is equipped between a rod fixing part of the lifting cylinder(31) and an electromagnet(33) so that the all-round joint is adhered to the electromagnet(33), and at the inner part of which a buffer spring is equipped, wherein a touch bar(35) is adhered onto the outer surface of a fixed beam, a guide groove(46) is formed on the guide pipe(45) so that the touch bar(35) passes through the guide groove(46), and a limit switch(36) is equipped at the outer surface of the touch bar(35).
Patent KR-20020051308-A (KR)
Title: Method For Producing Molten Iron And Iron Carbide
Inventor: CHOI NAK JUN
IPC: C21B13/00
Filed: 2000-12-22
Abstract: PURPOSE: A method for manufacturing molten iron and iron carbide is provided which not only prevents trouble of smelting reduction operation due to scattering of reduced iron during charging of the reduced iron but also maximizes productivity by manufacturing iron carbide more efficiently using a flue gas of the smelting reduction operation. CONSTITUTION: In a method for manufacturing molten iron and iron carbide by comprising a plurality of fluidized bed pre-reduction furnaces(30), a carbonization reaction furnace(80) manufacturing iron carbide by carbonization reaction by receiving fine reduced iron finally pre-reduced in a final pre-reduction furnace(20), and a melter gasifier(10) manufacturing molten iron by receiving reduced iron finally pre-reduced in the final pre-reduction furnace(20), the method for manufacturing molten iron and iron carbide comprises the processes of Bischoff scrubbing a reduced flue gas passing through the fluidized bed pre-reduction furnace(30); reforming the gas so that the gas contains 25 to 30 wt.% of Co and 50 to 70 wt.% of H2 by adding steam to the pressurized and heated gas after removing CO2 from the Bischoff scrubbed reduction flue gas and pressuring and heating the CO2 removed gas; and using the reformed gas as a carbonization reaction gas by supplying the reformed gas into the carbonization reaction furnace(80).
Patent KR-20020053413-A (KR)
Title: Jig for preventing warpage from semiconductor package
Inventor: KIM YEONG HO
IPC: H01L23/32
Filed: 2000-12-27
Abstract: PURPOSE: A jig for preventing the warpage of a semiconductor package is provided to restrain the bend of the semiconductor package by pressing the semiconductor package flat with a heavy jig for a time after forming a molding. CONSTITUTION: A subsidence part(8) contacting to the molding of the semiconductor package(3) is formed in a lower jig(7) in order to closely contact a circuit board(4) as well as the molding. A volume of the subsidence part is equal to the volume of the molding protruded from the outside of the circuit board. Thus, the surface of the molding and the circuit board is flattened by closely contacting not only the molding but the surface of the circuit board with a space between the upper jig(6) and the lower jig(7). A number of the lower jigs having the subsidence parts and the semiconductor packages are layered in the up and down direction.
Patent KR-20020054249-A (KR)
Title: Variable-rate QAM Transceiver
Inventor: LEE HUN
IPC: H04L1/00
Filed: 2000-12-27
Abstract: PURPOSE: A QAM(Quadrature Amplitude Modulation) transceiver which has a variable transmission rate is provided to make a data matching inter band flexibly by preparing a transmitter and a receiver respectively in an upstream and in a downstream. CONSTITUTION: A transmission convergence sub-layer unit(200) performs a frame process and an error correction of transmission data. A band splitting unit(202) distributes the transmission data into a plurality of band transmission process units(204,206). The plurality of band transmission process unit(204,206) perform a symbol encoding, a pulse shaping and an interpolation, and convert the transmission data into a passband signal. A synthesis unit synthesizes the passband signals output from the plurality of band transmission process units(204,206). A digital/analog conversion unit(208) converts the digital synthesis transmission data into an analog synthesis transmission signal.
Patent KR-20020054377-A (KR)
Title: Mechanical sealing structure of water pump
Inventor: LEE BONG SANG
IPC: F16J15/16
Filed: 2000-12-28
Abstract: PURPOSE: Structure of a mechanical seal of a water pump is provided to prevent the intrusion of foreign matters of the cooling water to the sliding face between a ceramic rotor and a rotating support. CONSTITUTION: A mechanical seal for preventing the leakage of the cooling water is installed on a rotating bearing shaft. The mechanical seal includes a ceramic rotor rotating with the rotating bearing shaft, a rotor support(5) for supporting the ceramic rotor and contacting with the ceramic rotor, a support spring elastically supporting the rotor support, and a support member fixed on a water pump body. A lip portion(11) of a rubber lip(10) formed on a seal case is stuck to the outer surface of the rotor support. Therefore, the intrusion of the cooling water and foreign matters to the ceramic rotor is avoided.
Patent KR-20020056790-A (KR)
Title: traveling device of container crane
Inventor: KIM JEONG GUN
IPC: B66C1/00
Filed: 2000-12-29
Abstract: PURPOSE: A traveling device of a container crane is provided to minimize the installing cost and to maximize the working efficiency by installing a curve rail in a crossed section of a rail. CONSTITUTION: A traveling device contains a main equalizer(110) rotated leftward and rightward by combining with a rotating portion(120) through a pin(122); a sub equalizer(130) rotated leftward and rightward by combining with rotating portions(140) through pins(142); and trucks(150) rotated leftward and rightward by combining rotating portions(160). An intermediate connection chain curve rail is installed to connect crossed rails. Rotated amount is spread and absorbed by rotating the curved portion of the curve rail around each pivot of the main equalizer, sub equalizers and the trucks. Thereby, the traveling device is traveled in the curve rail section without additional mechanical tool.
Patent KR-20010021820-A (KR)
Title: 아미노알코올의 아실화 방법
IPC: C07H15/04
Filed: 1999-05-07
Abstract: 본 발명은 산할로겐화물의 형태의 유기산을 사용하는 아미노알코올의 N-아실화를 위한 개선된 방법을 개시하며, 여기서 아실화는 물의 추가적인 존재하에 유기용매중에서 일어난다.
Patent KR-20010022040-A (KR)
IPC: H04N7/035
Filed: 1999-05-20
Abstract: A television signal processing device (12) for receiving and processing a television signal (F) and an information signal (I) which contains television program information (FPI) about future television programs. The television signal processing device (12)has television program information determining means (34) by which television program information (FPI) can be determined from the teletext information (TI) of all receivable television signals (F) and can be stored. The television program information determining means (34) are now adapted to autonomously store in a data block address memory (37) at least one teletext page number (TSN) in correlation with television signal identification information (FKI) which identifies the television signal (F) containing the received teletext information (TI). The stored teletext page number (TSN) then identifies a teletext page of the television signal (F) from which television program information (FPI) has been derived successfully the last time. During a subsequent determination of television program information (FPI) from teletext information (TI) of this television signal (F) the teletext page identified by the stored teletext page number (TSN) is first searched for television program information (FPI).
Patent KR-20010022222-A (KR)
Title: 불화비닐리덴계수지조성물 및 성형물
IPC: C08K5/49
Filed: 1997-07-28
Abstract: 본발명에 의해, 가공온도에 있어서 발포현상이나 착색이 생기지 않는 열에 안정한 불화비닐리덴수지계조성물 및 그 수지조성물을 성형하여 이루어지는 성형물이 제공된다. 
     본발명의 불화비닐리덴수지계조성물은, 불화비닐리덴계수지100중량부에 폴리에스테르가소제 2∼20중량부 및 포스파이트화합물을 0.01∼0.5중량부 첨가하여 이루어진다. 더욱, 페놀화합물을 첨가하여 이루어지는 불화비닐리덴계수지조성물로서 쓸 수 있다.
Patent KR-20010022682-A (KR)
Title: 디스크 구동부에서 파라미터 및 불확실성을 특성화하기 위한 모델 유효화 알고리즘
IPC: G05B13/04
Filed: 1998-05-15
Abstract: 본 발명은 디스크 구동부[110]에서 모델 기반 서보 제어기[190]를 실행하는데 사용되는 모델을 유효화하는 시스템 및 장법에 관한 것이다.  먼저 공칭 모델이 구성된다.  공칭 모델은 제조될 구동부의 변화를 특성화하기 위하여 불확실성 설명서[202,204]로 개선된다.  모델은 성능 객체에 의해 제한된다.  불확실성 설명서 및 성능 객체에 상응하는 가중은 원하는 성능 레벨이 원하는 주파수 범위에서 안정성을 유지하면서 μ 행렬 함수와 μ G 행렬 함수 사이의 비교를 기초로하여 조절된다.
Patent KR-20010023635-A (KR)
Title: 고성능 압전 세라믹
IPC: C04B35/491
Filed: 1998-08-27
Abstract: 본 발명은 납 지르코네이트 티타네이트를 기재로 하는 압전 세라믹 물질에 관한 것이다.  이 물질은 작용 성질 중에서 열 및 시간에 대한 안정성이 우수한 것을 특징으로 한다.
Patent KR-20010024606-A (KR)
Title: 파라수소 표지된 작용물질 및 자기공명영상에서의 그의 용도
IPC: C07C57/22
Filed: 1998-11-12
Abstract: 본 발명은 
     (i) 수소가 아니고 핵스핀이 0이 아닌 핵을 갖는 수소화될 수 있는 MR 조영제 전구체와 파라수소가 농축된 수소를 반응시켜서 수소화된 MR 조영제를 제조하는 단계; 
     (ii) 상기 수소화된 MR 조영제를 시료에 투여하는 단계; 
     (iii) 상기 수소화된 MR 조영제에서 상기 핵스핀이 0이 아닌 핵의 핵스핀 전이를 들뜨게 하기 위해 선택된 주파수의 방사선에 상기 시료를 노출시키는 단계; 
     (iv) 상기 시료로부터 상기 핵스핀이 0이 아닌 핵의 자기공명 시그널을 검출하는 단계; 및 
     (v) 임의로는, 상기 검출 시그널로부터 영상 또는 생물학적 함수 자료 또는 동적순서 자료를 산출하는 단계를 포함하는 시료의 자기공명 검사방법을 제공한다.
Patent KR-20010032025-A (KR)
Title: 전기 장비용 전력 공급 시스템
IPC: H02J9/06
Filed: 1999-09-14
Abstract: 본 발명은 전기 장비(10)에 공급하는 전력을 발생하는 수단(14)을 포함하는 전기 장비(10)를 위한 전력 공급 시스템에 관한 것이다. 상기 시스템은 상기 장비로의 공급에서의 불안정 상태를 보상하는 수단(18)을 포함하며, 보상 수단(18)은 유효 전력을 축적하여 불안정한 상태가 발생할 때 상기 전기 장비에서의 유효 전력을 교환하는 수단(20)을 포함한다.
Patent KR-20010015904-A (KR)
Title: 안정화 수단을 구비한 증폭기
IPC: H03F1/08
Filed: 1999-11-01
Abstract: 증폭기는 차동 입력신호(V in )를 수신하는 한쌍의 입력(INN, INI)과 차동 중간신호를 공급하는 한쌍의 출력(CQ 6 , CQ 7 )을 갖는 입력단과; 상기 차동 중간 신호를 비차동 중간 신호로 변환하며 상기 차동 중간 신호를 수신하는 입력 브렌치(Q 5, R 5 ) 및 출력 브렌치(Q 4, R 4) 를 갖는 전류 미러(Q 5, R 5, Q 4, R 4 )를 포함하는 중간단(INT ST )과; 상기출력 브렌치(Q 4, R 4 ) 및 출력신호(V out )를 공급하는 출력(OP)에 결합되는 출력단(OP ST )과; 그리고 상기 출력(OP)과 상기 입력 브렌치(Q 5, R 5 ) 사이에 결합되는 커패시터(C M2 )를 포함하는 증폭기 안정화 수단으로 구성된다. 따라서, 전류미러(Q 5. R 5, Q 4, R 4 )는 또한 각 말러루프내에서 신호 반전을 위해 사용된다. 그러므로, 각 밀러 루프를 안정화 시키기 위한 목적으로 출력단(OP ST )에 어떠한 전류미러도 필요로 되지 않는다. 결과적으로, 증폭기의 대역폭이 확장된다. 상기 측정은 큰 대역폭 및 저 공급 전압의 증폭기를 제공해준다.
Patent KR-20010040596-A (KR)
Title: 신경장해 치료제
IPC: A61K31/5575
Filed: 1999-02-05
Abstract: 이소카르바시클린 등의 특정 프로스타글란딘류가 신경장해에 기인하는 환자 혹은 외상에 의한 신경장해에 대한 치료에 효과가 있음이 확인되었다.     상기와 같이 특정의 프로스타글란딘류를 함유하는 신경장해치료제 및 치료법 등이 제공되는 것이다.
Patent KR-20010042145-A (KR)
Title: 파록세틴 조성물
Filed: 1999-03-24
Abstract: 파록세틴은 담체 상에 흡착되어 캡슐 충전 또는 정제 제제용으로 유용한 자유-유동성 분말을 형성하고, 이는 우울증을 치료하는데 이용된다.
Patent KR-20010102817-A (KR)
Title: 프로그램가능한 스피커, 이의 동작 방법 및 시스템
IPC: H03G5/00
Filed: 2000-01-26
Abstract: 스피커(50)를 동조시키기 위한 개입 거부(non-intrusive) 시스템 및 방법은 기준신호 및 제어 신호를 프로그램가능한 스피커(50)에 인가시킴으로써 수행된다.  마이크로폰(54)은 스피커의 출력(53)에서 입력 기준 신호에 대응하는 사운드를 검출하여 입력 기준 신호를 스피커(50)로부터의 가청 출력 신호(53)와 비교함으로써 그것을 스피커(50)의 주파수 응답을 분석하는 검사기(tester:55)로 되돌려보낸다.  비교 결과에 따라, 검사기는 스피커(50)에 이후에 스피커 메모리에 저장되어 입력 기준 신호상에서 변환 함수를 다시 수행하는데 사용되는 새로운 특성 데이터를 가지는 갱신된 디지탈 제어 신호를 제공한다.  동조 피드백 사이클(tuning feedback cycle)는 입력 기준 신호 및 스피커(50)로부터의 가청 출력 신호(audible output signal:53)가 검사기에 의해 결정되는 바와 같이 원하는 주파수 응답을 나타낼때까지 계속된다.
Patent KR-20010043345-A (KR)
Title: 비휘발성 메모리를 포함하는 반도체 디바이스
IPC: H01L27/115
Filed: 2000-02-14
Abstract: 비휘발성 메모리(non-volatile memory)에서, 워드 라인(word line)(6)은 인접 워드 라인 사이의 통상적인 필드 산화물(field oxide) 또는 트렌치 격리(trench isolation)없이 밀접하게 위치한다. 가상 접지 실시예에서, 1 개의 셀의 표면 영역은 실제로 2F 2 으로 줄어들 것이다. 여기서 F는 최소 포토리소그래픽 제한 프로세스(photolithographically-limited process) 치수이다. 질화물층(8)이 데이터를 나타내는 전하를 저장하는 데에 이용되는 NMOS 실시예에서, 셀마다 2 개의 비트를 저장함으로써, 그리하여 영역을 비트당 F 2 으로 줄임으로써 패킹 밀도는 2배가 된다. 이것은 기록 전류(write current)에 대하여 판독 전류(read current)를 역전(reverse)함으로써 이룰 수 있다.
Patent KR-20010034915-A (KR)
IPC: B01D29/11
Filed: 1999-06-25
Abstract: A filter element includes a hollow filter pack, a core disposed in the filter pack and/or a cage disposed around the filter pack, and an end cap. The core and/or cage have a wall structure and a recess and/or an interlock arrangement. The end cap is bonded to the filter, and solidified bonding material produced during bonding of the end cap to the filter pack is contained in the recess of the core and/or the cage and/or around the interlock arrangement. The wall structure of the core and/or the cage supports the periphery of the filter pack at the bond.
Patent KR-20020057342-A (KR)
Title: Semiconductor memory apparatus with redundancy
Inventor: SEO YEONG HO
IPC: G11C29/00
Filed: 2001-01-04
Abstract: PURPOSE: A semiconductor memory device having redundancy is provided to improve an operating speed in a redundancy operation, reduce the chip size according to arrangement of a redundancy cell array and reduce power consumption. CONSTITUTION: A low redundant cell array block(18) has an independent structure which is separated from a default array(10). In addition, the low redundant cell array block(18) has row redundant arrays replacing defects of a row direction. A column redundant cell array block(22) has the independent structure which is separated from the default array(10). In addition, the column redundant cell array block(22) has column redundant arrays replacing defects of a column direction. A control block(13) outputs a control signal which is applied commonly to the default array(10), the row redundant array(18), and the column redundant array(22). A redundancy calculation portion(15) receives an address and a control signal and generates a control signal for accessing the redundant arrays(18,22) and a signal for disabling a sense amplifier of the default arrays(18,22).
Patent KR-20010093638-A (KR)
Title: Method and apparatus for magnetic transfer
Inventor: KOMATSU KAZUNORI
IPC: G11B5/82
Filed: 2001-01-10
Abstract: PURPOSE: To make transferable a high quality transfer pattern from a master carrier for magnetic transfer to a slave medium by means of a magnetic transfer regardless of the position of a magnetic pattern. CONSTITUTION: In the magnetic transferring method, a master carrier for magnetic transfer having a magnetic layer formed at a part corresponding to an information signal on a substrate and a magnetic recording medium being a slave medium which receives the transfer are brought into contact with each other. Magnetic field applied for the transfer satisfies the following relation between coercive force Hcs of the slave magnetic recording medium and the magnetic field for the transfer. 0.6xHcs <= the magnetic field for transfer <=1.3xHcs.
Patent KR-20020065704-A (KR)
Inventor: LIM SANG HUI
IPC: A63B22/02
Filed: 2001-02-07
Abstract: PURPOSE: A treadmill is provided to enable a more accurate control thereof as well as reduce the generation of noise by adopting AC three phase induction motor and an inverter controlling the motor. CONSTITUTION: The treadmill consists of a track part comprising a rectangular metal frame, two pulleys(11,12) fixed at the front and rear sides of the frame, a running belt(13) wound around the pulleys, a running footstool(14) fixed to the frame by interposing a shock absorbing buffer(15), and an inclination adjustor; a driving part comprising an AC three-phase induction motor(21), a speed control inverter(22), and a power source(23); and a control part(30).