baber/WOPTO huggingface dataset:
Patent KR-20020034910-A (KR)
Inventor: YANO MASARU
IPC: H03K19/003
Filed: 2001-10-30
Abstract: PURPOSE: An output driver for an integrated circuit chip is provided to reduce the noise generated on the power supply and return lines, and the cross-talk to nearby electrical lines by controlling the slew times to predictable amounts over a wide variation in VCCQ. CONSTITUTION: Output driver(100) comprises an output node(21), a pull-up transistor(22), and a pull-down transistor(24). The output driver(100) further comprises a voltage detector(110) which detects the value of VCCQ, a first logic control circuit(130) for controlling the charging and discharging of the gate of pull-up transistor(24) in response to signals(OE/,Dn) and the detected level of VCCQ, and a second logic control circuit(150) for controlling the charging and discharging of the gate of pull-down transistor(22) in response to signals(OE/,Dn) and the detected level of VCCQ. The magnitude of discharging and charging currents provided to drive transistors(22,24) respectively is decreased as VCCQ increases in order to minimize the dependency of the slew times on VCCQ.
Patent KR-20030036959-A (KR)
Title: Device for dumping edge scrap of strip
Inventor: HYUN JONG TAEK
IPC: B21B39/00
Filed: 2001-11-01
Abstract: PURPOSE: An apparatus for dispersedly loading scrap of the strip edge of chopper machine is provided to increase loading and transport efficiencies of storage box to the maximum by varying position to be injected when scrap is injected into the storage box from conveyor belt, thereby loading the scrap all over the storage box uniformly. CONSTITUTION: The apparatus comprises a frame (10) installed at chopper machine and extended to the upper part of a storage box (140); a discharge part rotationally which is installed at the frame so that scrap dropped from a conveyor belt (130) is put in the discharge part, and through the lower part of which the scrap is discharged into an arbitrary position inside the storage box; and a driving part installed at the frame and connected to the discharge part to rotate the discharge part, wherein the discharge part comprises housing (20), and a sphere (21), wherein the driving part comprises a driving motor (40), a driving shaft (41), a lower body of revolution, and an operating bar (46), and wherein the driving part further comprises an elliptic motion body comprising upper body of a revolution (47), upper and lower cams (48,49), an elastic spring (50), a driving gear (51) and a driven gear, and upper and lower power transmission gears (54,55).
Patent KR-20030037437-A (KR)
Title: An apparatus for preventing a trolley of a unloader from impacting against a stopper
Inventor: KIM HO SEONG
IPC: B66C7/16
Filed: 2001-11-05
Abstract: PURPOSE: An apparatus for preventing the clash of a stopper is provided to prevent the clash by mechanically reducing the moving speed of the trolley in the stopper without an electric equipment as a sensor. CONSTITUTION: A first contact device(40) are connected with many first springs(42) to be elastically supported on a boom portion(10) outside a rail(12). A second contact device(60) is connected with the lower part of a moving bar(66). The moving bar is connected with many second springs(62) to be installed in both sides of a trolley(20). The second contact device stops the trolley by closely sticking to the first contact device when the trolley is slid. Thereby, the breakage of an unloader equipment is prevented.
Patent KR-20030039677-A (KR)
Inventor: LEE JU IL
IPC: H01L27/146
Filed: 2001-11-14
Abstract: PURPOSE: A method for fabricating an image sensor is provided to prevent moving particles and improve yield by controlling the generation of crack caused by stress in sawing a package. CONSTITUTION: A test pad(38) is formed on a test pattern area inside a scribe line of a semiconductor substrate(31) while a metal interconnection(37) is formed on a unit pixel area of the semiconductor substrate. A color filter(40) and a micro lens(42) are sequentially formed on the unit pixel area including the metal interconnection. A micro lens passivation layer(43) is formed on the front surface of the micro lens. The micro lens passivation layer on the scribe line is completely eliminated.
Patent KR-20030042903-A (KR)
Title: Micro-mechanical device having anti-adhesion layer and manufacturing method thereof
Inventor: CHO JANG HO
IPC: G02B26/08
Filed: 2001-11-26
Abstract: PURPOSE: A micro mechanical structure having an anti-adhesion layer and a fabricating method thereof are provided to reduce a process time and the generation of contamination by activating directly a surface of a substrate in a state of plasma. CONSTITUTION: A micro mechanical structure includes a substrate(100) and one or more moving structure(108) formed on the substrate. A passivation layer(110) is deposited on an entire surface of the micro mechanical structure by using a plasma chemical vapor deposition method. The passivation layer is formed with one ore more material selected from a group including fluorocarbon polymer, hydrocarbon polymer, hydrofluorocarbon polymer. The micro mechanical structure further includes one or more electrode formed on the substrate.
Patent KR-20030042998-A (KR)
Title: Method for manufacturing wire rods for Tire-cord
Inventor: CHO GEON GWAN
IPC: B21B1/16
Filed: 2001-11-26
Abstract: PURPOSE: A method for manufacturing carbon steel wire rods for tire cord is provided to control a mass flux ratio appropriately so as to fabricate a high carbon steel for tire cord without cracking of the surface of the work material. CONSTITUTION: In the method for manufacturing carbon steel wire rods for tire cord, a billet heated in the heating furnace is rolled through a wire rod rolling process including a roughing mill, an intermediate roughing mill, and a finishing mill so as to be produced as a wire rod. A mass flux ratio at each stand along the roughing mill and the intermediate roughing mill through which the surface temperature of the billet which is heated in the heating furnace decreases is controlled such that the mass flux ratio is in the range of 0.95 to 0.98. The mass flux ratio is defined by a formula: mass flux ratio=(mass flux amount)n+1/(mass flux amount)n, where N is a sequence number of stand. In the present invention, the pass schedule is set optimally, wire cords can be produced in high quality without cracking on the surface.
Patent KR-20030044698-A (KR)
Title: A functional alcohol-diluting solution
Inventor: KIM SE NA
IPC: A23L2/38
Filed: 2001-11-30
Abstract: PURPOSE: A functional alcohol dilute solution is provided to make a health drink which is excellent in the taste and favor and functionality, contains abundant nutrients and has a hangover-prevention effect. CONSTITUTION: A functional alcohol dilute solution contains a pine needle extract solution, a mugwort extract solution, an arrowroot (Pueraria root) extract solution, or a mixture thereof. The functional alcohol dilute solution further contains chicory, honey, or a mixture thereof. In a method of forming the functional alcohol dilute solution, a pine needle, mugwort, arrowroot or mixture thereof is cleaned, and put into a pressure extractor. The content in the extractor is boiled possibly with the addition of the chicory, the honey, or the mixture thereof.
Patent KR-20030050407-A (KR)
Title: PLC remote control switch
Inventor: KIM CHEOL
IPC: H04B3/54
Filed: 2001-12-18
Abstract: PURPOSE: A remote control switch device using a PLC(Power Line Communication) scheme is provided to remotely control illumination by the PLC scheme. CONSTITUTION: A power line modem IC(401) performs a PLC by a signal transmitted from a signal coupling circuit(403). The signal coupling circuit(403) has a PLC transformer. A power terminal and a power line signal driver terminal of the PLC transformer are connected for transmitting and receiving a signal. The power line modem IC(401) receives signals of an IR(Infrared) receiving unit(409) and a button unit(411), and performs a central control operation. If illumination is turned on, the power line modem IC(401) turns off an LED(Light Emitting Diode) display unit(413). If the illumination is turned off, the power line modem IC(401) turns on the LED display unit(413).
Patent KR-20030055008-A (KR)
Title: Apparatus for preheating of tundish nozzle
Inventor: KIM SEONG YEON
IPC: B22D41/50
Filed: 2001-12-26
Abstract: PURPOSE: An apparatus for preheating tundish nozzle is provided, which prevents clogging of the nozzle by sufficiently preheating the tundish nozzle. CONSTITUTION: In a tundish nozzle preheating apparatus for preheating tundish nozzle by blowing hot blast into tundish(16), the tundish nozzle preheating apparatus comprises a pipe(12) connected to a discharge hole of the tundish nozzle(10); and an exhaust pump(18) installed at the pipe to exhaust hot blast blown into the tundish, wherein an air inlet pipe(14) is branched off from a pipe connected between the tundish nozzle and the exhaust pump, and wherein the tundish nozzle preheating apparatus further comprises a discharge hole temperature detecting sensor(22a) installed at the front end of the discharge hole of the tundish nozzle; an exhaust pump temperature detecting sensor(22b) installed at entrance of the exhaust pump(18); and a PID controller(24) for controlling flow rate of hot blast flown into the pipe and flow rate of air flown into the air inlet pipe(14) according to signals detected from the discharge hole temperature detecting sensor(22a) and the exhaust pump temperature detecting sensor(22b).
Patent KR-20030051110-A (KR)
Title: comodous
Inventor: JEONG KWEON HA
IPC: A47K17/00
Filed: 2001-12-17
Abstract: PURPOSE: Provided is a toilet bowl to maximize use of space by forming a left tray and a right tray on the body of the toilet and for user to enter the toilet by switching a shielding curtain through the rotation of the tray. The tray is removable from the toilet, and so the toilet is easy to transfer and store. CONSTITUTION: The toilet forms the shielding curtain around a tray part. The tray part(4,5) is composed of a tray to be rotated and a tray to be fixed. By swinging the tray, the shielding curtain is open and user enters the toilet. A representative embodiment is characterized in that the inclined members(12) are formed on the body of the toilet and the swing member(10) rotates a construction consisting of tray and supporting members for tray(9) around the axis of the inclined members. The tray is a support for user to lean against, to put some books or magazines on and to support the shielding curtain.
Patent KR-20030055590-A (KR)
Title: A seat for the seal valve of the furnace and apparatus for heating the seat
Inventor: CHOI WON IL
IPC: C21B7/00
Filed: 2001-12-27
Abstract: PURPOSE: A seat for seal valve of blast furnace in which an oil circulation channel is formed so that oil is heated itself to prevent water and dust from adhering to the seat surface of the seal valve is provided, and an apparatus for heating the seat into which heating fluid is supplied to heat the seat for seal valve of blast furnace is provided. CONSTITUTION: In a seat(135) which is consisted of seal valves formed on upper and lower parts of bunker of blast furnace, and on which a tubular protrusion having a certain thickness is formed, the seat for seal valve of blast furnace is characterized in that a fluid circulation channel is formed on the inner part of the tubular protrusion so that fluid is circulated along the circumferential surface of the tubular protrusion. In an apparatus for heating a seat(135) which is consisted of seal valves formed on upper and lower parts of bunker of blast furnace, and in which the fluid circulation channel is formed, the apparatus for heating the seat for seal valve comprises a storage tank(42) for storing fluid circulated through the fluid circulation channel; a heating means(43) for heating the fluid supplied from the storage tank; and a supply means(44,45) for supplying the fluid heated by the heating means into the fluid circulation channel, wherein fluid circulated through the fluid circulation channel is flown into the storage tank, wherein the apparatus further comprises a temperature measuring means(41) for sensing temperature of the seat while the heated fluid is being circulated through the fluid circulation channel.
Patent KR-20030056369-A (KR)
Title: Polyethylene color sheet with s type corrugation which is prevented from widthwise deflection and an apparatus to produce it
Inventor: CHUN JIE HYUN
IPC: C23C24/08
Filed: 2001-12-28
Abstract: PURPOSE: A widthwise deflection prevented 'S' type polyethylene insulation color steel sheet is provided to greatly improve productivity and construction property by forming notch having a certain depth at the mountain part of steel sheet to prevent widthwise deflection of the steel sheet, and an apparatus for manufacturing the same is provided. CONSTITUTION: In an 'S' type polyethylene insulation color steel sheet(1) for improving insulation performance by adhering polyethylene foam(114) having a certain thickness to the surface of steel sheet member(110), the widthwise deflection prevented 'S' type polyethylene insulation color steel sheet(1) is characterized in that the steel sheet member(110) is prevented from widthwise bending by pressing the polyethylene foam(114) on each mountain peak of the steel sheet member(110) so that concave notches(5) are formed along length direction of the steel sheet member(110), wherein the notches(5) press the polyethylene foam(114) on each valley peak of the steel sheet member(110) so that the polyethylene foam(114) is formed along a length direction of the steel sheet member(110) to prevent widthwise bending of the steel sheet member(110), and wherein depth of the notch part is varied depending on thickness of the steel sheet member(110) and thickness of the polyethylene foam(114) so that flatness of the steel sheet member(110) is varied.
Patent KR-20030056481-A (KR)
Title: Diaryl 1,2,4-triazole derivatives as a highly selective cyclooxygenase-2 inhibitor
Inventor: CHO IL HWAN
IPC: C07D249/08
Filed: 2001-12-28
Abstract: PURPOSE: Diaryl 1,2,4-triazol derivatives having high selective cyclooxygenase-2 inhibiting activity are provided, which improve the adverse effect of conventional nonsteroid anti-inflammatory drugs and are useful for treatment of inflammatory diseases. CONSTITUTION: Diaryl 1,2,4-triazol derivatives represented by the formula 1 as a cyclooxygenase-2 inhibitor and pharmaceutically acceptable salts thereof are provided, wherein R1, R2, R3, R4 and R5 are independently hydrogen or halogen, or halogen substituted or unsubstituted C1-C3 alkyl, NO2, NH2, OH, OMe, CO2H or CN; A is CH3 or NH2; and W is CH or N.
Patent KR-20010071987-A (KR)
Title: 다중 데이터 속도용 확산기
IPC: H04J13/00
Filed: 1999-07-19
Abstract: 본 발명은 상이한 데이터 속도를 갖는 다수의 디지털 통신 채널의 데이터를 상이한 길이를 갖는 코드 시퀀스로 확산하는 것에 관한 것이다. 본 발명의 회로는 CDMA 전기통신 시스템에서 상이한 데이터 속도를 갖는 통신 채널을 확산하기 위하여 단일 하드웨어 유닛을 사용하도록 한다. 이것은 최저의 속도를 갖는 통신 채널에 대하여 적절한 저장 수단 내의 단일 심벌 및 대응하는 긴 코드 또는 보다 높은 데이터 속도를 갖는 통신 채널에 대하여 다수의 심벌 및 대응하는 보다 짧은 코드 시퀀스를 처리함으로써 이루어진다. 그러므로, 확산 이후에, 공동의 칩 속도는 단일 하드웨어 구조를 사용하여 얻어진다.
Patent KR-20010079590-A (KR)
IPC: H01L29/792
Filed: 1999-07-27
Abstract: 위상변조기 또는 간섭계의 소자와 같은 많은 종류의 반도체 또는 전기광학장치에 적합한 결정구조(20, 60, 220) 및 장치(120, 140, 180, 270)는, 반도체를 기재로 하는 기판(22, 62, 142, 182, 222, 272) 및 기판 표면 상에 에피택셜로 정렬된 결정질 산화물의 박막(24, 64, 144, 186, 224)을 포함하여, 박막이 아래 기판에 커플링되고 박막의 모든 단위 셀의 기하학적 배열이 기판 표면에 대하여 선정된 방향으로 배열된다.  박막의 단위 셀의 기하학적 배열의 선정은 단위 셀의 쌍극자 모멘트와 같은 방향의존성 특성의 선정된 배열을 좌우한다.  단위 셀의 기하학적 배열의 선정 방향은 동작 동안에 구조적 특성 중 유리한 점을 취하도록 구체화된 구조를 가진 장치를 가능하게 한다.
Patent KR-20010089344-A (KR)
IPC: G09F3/00
Filed: 2000-08-30
Abstract: 회로기판과 그 한쪽 표면 상에 설치된 전자부품과 그 전자부품 상에 설치된 피착체 첩부용 접착제층을 순차로 적층하여 이루어진 것을 특징으로 하는 접착라벨에 관한 것이다. 본 발명의 점착라벨은 박형임에도 불구하고 비접촉 데이터 캐리어 요소를 구성하는 전자부품에 의해 형성되는 요철구조가 라벨 표면에 반영되지 않는다.
Patent KR-20010101202-A (KR)
Title: 전자빔 다단가속기 구동형 프로우브장치
IPC: H01J35/04
Filed: 1999-11-30
Abstract: X-선 치료시스템에 사용하기 위한 모듈화 다단가속기(102)가 -50kV의 전압이 공급되는 전자총을 수용하는 제1의 10kV 가속기단(150)을 포함한다. 모듈화된 다단의 가속기는 전체적으로 50kV의 가속기를 얻기 위하여 제1단에 직렬로 연결되는 4개의 부가적인 10kV 단(112, 114, 116, 118)을 포함한다. 각 단은 표유전류가 드리프트 튜브의 길이를 따라서 전파되는 것을 방지하기 위하여 차폐(190)되어 있다. 각 모듈 단의 삼중점은 각 단내에서 표유전류가 방출되는 것을 충분히 감소시킬 수 있도록 요입되어 있다. 아울러, X-선 소오스의 X-선 방사 프로우브에서 빔전류가 이러한 빔전류를 널링 정션 노드에 전기적으로 연결된 빔전류측정회로(220)로부터 격리함으로서 측정될 수 있으며, 회로내의 다른 전류는 널링 정션 노드에서 제로가 되고 빔전류가 빔전류측정회로로 흐른다.
Patent KR-20010099911-A (KR)
IPC: A61B5/1172
Filed: 1999-12-23
Abstract: 본 발명은 적어도 하나의 지문을 이용하면서 개인을 식별하기 위한 장치에 관한 것이다.  상기 장치는 광펄스를 이용하면서 손가락의 전면부를 조명 및/또는 투시하기 위한 적어도 하나의 광원을 포함하며, 그리고 지문의 광학적 이미지를 획득하기 위한 적어도 하나의 광섬유 손가락 지지면을 포함하고 있다.  상기 손가락 지지면을 이용하여서는 광학적 이미지가 적어도 하나의 센서유닛으로 전송될 수 있으며, 그리고 상기 센서유닛 내에서는 광학적 이미지가 전기적 신호로 전환될 수 있다.  적어도 하나의 광원은 손가락 지지면의 한 측면에 배치되어 있으며, 그리고 빛은 광원에 의해, 센서유닛으로부터 반대 방향으로 향해있으면서, 손가락 전면부를 지지하는 역할을 하는 손가락 지지면의 측면 방향으로 방사될 수 있다.  적어도 하나의 광원에 의해 방사되는 광펄스의 기간 및/또는 세기는 주변 광 조건들에 종속되어 조정될 수 있다.
Patent KR-20010112264-A (KR)
IPC: H05K7/10
Filed: 2000-02-04
Abstract: 본 발명의 리드리스 회로 소자 홀더는 플라스틱 몰드(14) 내에 리드리스 회로 소자(2)를 고정하기 위한 핸드(4, 6)와 핑거(5, 7) 내로 플랜지를 만곡시키기 위한 하향으로 만곡될 수 있는 대향 플랜지를 포함한다. 본 발명에 따르면, 상기 홀더는 리드리스 회로 소자(2)를 회로 내에 포함시키도록 상기 프레임(38)과 일체로 형성되는 삽입식 피복 제거 접속부를 또한 포함한다. 또한, 조립체는 플라스틱(14) 내에 몰딩된 삽입물이다.
Patent KR-20020010656-A (KR)
IPC: C01B3/48
Filed: 2000-05-09
Abstract: 본 발명은 생산될 수소가공된 생성물의 비점 범위 이상의 비점 범위를 갖는 분획을 적어도 포함하는 탄화수소 함유 공급원료로부터 수소, 전기 및 하나 이상의 수소가공된 생성물의 제조 방법으로서, 하기를 포함하는 방법에 관한 것이다: 지지된 촉매의 존재에서 탄화수소 함유 공급원료를 수소 (이는 수소가공된 생성물이 생산될 탄화수소 함유 공급원료의 분획의 비점 범위와 상이한 비점 범위를 갖는 수소처리된 공급원료의 분획, 또는 수소가공된 생성물의 적어도 일부로부터 적어도 부분적으로 생산되었음) 로 처리하고; 수소가공된 생성물을 회수할 때, 수소처리된 공급원료로부터 수소가공된 생성물을 분리하고; 일부 또는 모두의 잔류 수소처리된 공급원료 및 수소가공된 생성물(회수되지 않는다면)을 처리하여 수소를 생산하고 수소로 처리하기 위해 사용되지 않은 일부 또는 모두의 수소를 처리하여 전기를 생산하거나, 또는 일부의 잔류 수소처리된 공급원료 및 수소가공된 생성물(회수되지 않는다면)을 처리하여 전기를 생산하고 잔류물의 일부 이상을 처리하여 수소를 생산한다.
Patent KR-20030061129-A (KR)
Title: Multi-pattern coloring device of a powder compact
Inventor: CHOL DONG PIL
IPC: B05C9/00
Filed: 2002-01-10
Abstract: PURPOSE: Provided is a device for coloring a compact in multicolored pattern, which can paint a surface of compact that is solid cosmetic composition, in multicolored, various shaped patterns, and thus maximize a merchantability of the compact and mass-produce the compact. CONSTITUTION: The device comprises a pallet guide part positioned on a substrate(10); a fixing part for pattern plate(21) comprising stepwise pattern plate(22); a stepwise color applicator(31) comprising a spray nozzle and a liquid pigment storage tank(33); a pallet elevator for elevating a pallet(12)(in which semi-finished compact(100) is accepted), contacting the pallet(12) with lower part of the pattern plate(22), and returning the pallet(12) after spray-coloring a colored pigment on the top surface of the compact(100) by using the spray nozzle; a finished product outlet(51) for discharging a colored finished compact(100') at its one side and transporting the compact(100') to packing position; and a return conveyor(61) for returning an empty pallet(12)(after the finished compact(100') is discharged) from an ending terminal to a beginning terminal in the pallet guide part.
Patent KR-20030061960-A (KR)
Title: Apparatus for Control the Pressure of Vulcanizer
Inventor: JU YU SEOK
IPC: B29C33/02
Filed: 2002-01-14
Abstract: PURPOSE: A device for controlling vacuum pressure for a vulcanizer is provided to lengthen the life of a bladder and to reduce reject rate by keeping the vacuum pressure in the vulcanizer optimal. CONSTITUTION: A pressure detecting line(1) is installed at one side of an inlet line(8). A pressure detecting converter(5) is installed at the pressure detecting line. An air piston valve(2) is connected to a solenoid valve(3). The air piston valve and a filter(4) are installed at the pressure detecting line. A control unit(6) is electrically connected to the pressure detecting converter.
Patent KR-20020064152-A (KR)
Title: Method for making barium titanate powder, barium titanate powder prepared by the method, dielectric ceramic compact, and monolithic ceramic capacitor
Inventor: NAKAMURA YASUNARI
IPC: C04B35/46
Filed: 2002-01-18
Abstract: PURPOSE: To provide a method capable of producing fine-grain homogeneous barium titanate powder using a solid phase reaction process. CONSTITUTION: In the method for producing barium titanate powder with steps for mixing and calcining barium carbonate powder and titanium oxide powder, acicular powdery barium carbonate particles (particles having a shape which satisfies a major to minor axis size ratio of >=2) are used as the barium carbonate powder and preferably acicular powdery barium carbonate particles having >=5.0 m¬2/g specific surface area are used.
Patent KR-20030064004-A (KR)
Inventor: KIM YONG HYUN
IPC: A61K8/97
Filed: 2002-01-25
Abstract: PURPOSE: A bath agent containing several Chines herbal plants in the type of a liquid or powder phase is provided which is useful for recovery from fatigue in a patient, an elderly person, a sportsman or the like. CONSTITUTION: A bath agent comprises 10 to 30% by weight of Salvia miltiorrhiza Bunge, 5 to 20% by weight of Astragalus membranaceus Bunge, 5 to 20% by weight of Atractylodis Rhizoma Alba, 5 to 15% by weight of Poria cocos(Fr.) Wolf, 5 to 15% by weight of Cassia tora L., 5 to 15% by weight of Pueraria thunbergiana(Sieb. et Zucc.) Benth., 5 to 15% by weight of Rehmanniae glutinosa (Gaertner) Liboschitz, 5 to 15% by weight of Angelica sinensis(Oliv.) Diels and 5 to 15% by weight of Glycyrrhiza uralensis Fisch.
Patent KR-20030070974-A (KR)
Title: Method for determining ms location without gps in mobile communication system
Inventor: WON EUN TAE
IPC: H04B7/26
Filed: 2002-02-27
Abstract: PURPOSE: A method for deciding a position of a mobile terminal is provided to decide the position of the mobile terminal in a CDMA(Code Division Multiple Access) communication system without using a GPS(Global Positioning System). CONSTITUTION: A distance estimation system measures an RTD(Round Trip Delay) and a pilot phase of a PSMM(Pilot Strength Measurement Message)(412). The distance estimation system decides an existence range of a basic terminal(414). The distance estimation system calculates a distance between each terminal and BTSs(Base Transceiver Systems), using the measured RTD and pilot phase, and decides a range in which a terminal exists now by the distance between the BTSs and the terminal(416). The distance estimation system searches a pseudo point of the terminal(418). The distance estimation system corrects the RTD and the pilot phase of the PSMM in the pseudo point, using information about a radio wave delay and a pilot signal(420). The distance estimation system decides a position of the terminal, using the corrected RTD and pilot phase(422).