baber/WOPTO huggingface dataset:
Patent KR-20020027905-A (KR)
Title: Composition for preventing and treating cancer comprising isolated compounds and extracts from angelica koreana max and isolating methods thereof
Inventor: CHO MYEONG HAENG
IPC: A61K36/237
Filed: 2000-10-06
Abstract: PURPOSE: Provided are a composition for the treatment and prevention of cancer, containing Angelica Koreana MAX extract or compound obtained therefrom and a separating method of the extract or the compound, therefore the cancer including cutaneous cancer, stomach cancer, colic cancer and breast cancer can be effectively treated and prevented. CONSTITUTION: The composition inhibiting xanthine, xanthine oxidase, ornithine decarboxylase, nitric oxide synthase or inducing quinone reductase contains Angelica Koreana MAX extract as an effective component, in which the Angelica Koreana MAX extract is prepared by extracting Angelica Koreana MAX with methanol and extracting or fractioning the methanol extract with organic solvent; and the effective amount of the Angelica Koreana MAX extract is 0.01-10g/kg/day.
Patent KR-20020029956-A (KR)
Title: Fixing system of shelf for vehicle
Inventor: KIM DONG CHEOL
IPC: B62D25/08
Filed: 2000-10-16
Abstract: PURPOSE: A device for fastening a shelf of an automobile is provided to prevent abnormal sound generation and performance deterioration by improving a fastening relationship of the shelf located on a rear portion of a rear sheet and an upper portion of a trunk room of hatch back car. CONSTITUTION: A device for fastening a shelf of an automobile includes a concave hole(42) and a plate(45). The concave hole is formed in a bottom surface of a shaft groove(40) of a hook(38) to accommodate an outer diameter of a support shaft(35). The plate, which is an elastic body, protrudes downwardly from an upper portion of the shaft groove to fasten an upper portion of the support shaft. A stopper is formed at a rear end portion of the plate to prevent the plate from entering excessively when the plate is connected with the support shaft.
Patent KR-20020030307-A (KR)
Title: Sealing material for refrigerator vegetable box
Inventor: KIM HYEON GYO
IPC: F25D23/04
Filed: 2000-10-17
Abstract: PURPOSE: A material for keeping air tightness of food vessel for refrigerator is provided to keep elasticity of the material. CONSTITUTION: A material(14) is a thermoplastic elastic body made of a compound comprising 30 weight % of polyethylene, 30 weight % of polystyrene and 40 weight % of butadiene rubber. The material is doubly injected on a groove(12a) formed on a circumference of a bottom surface of a cover(12) and fixed. The material is elastically attached to a stepped part(11b) of a body(11) of a vessel to keep air tightness to prevent leakage of odor to outside for a long time. A handle(13) is rotated to elastically hook fixing parts(13a) formed on both ends of the handle to bottom surfaces of protrusive parts(11a) formed on an inside surface of the body to attach the cover on an upper side of the body.
Patent KR-20020023630-A (KR)
Title: Waste-heating of burning system & Dioxin exclusion Using High-Frequency
Inventor: CHEON JI DEAK
IPC: F23G5/20
Filed: 2000-10-18
Abstract: PURPOSE: A waste treatment apparatus using a low and high frequency induction heating is provided to provide simplified equipment for preventing a generation of dioxin by using a low and high frequency induction heating. CONSTITUTION: A waste treatment apparatus using a low and high frequency induction heating comprises a heating screw drum and a heating drum screw fan(3). The heating screw drum is rotated by a motor(9) in a constant RPM and in a constant rotation direction. The heating screw drum is heated by a current induced from a high frequency induction coil(1) instantaneously, thereby incinerating a waste. The heating drum screw fan(3) exhausts an incinerated dust into an exhaust port(11). A waste gas generated when incinerating the waste, is exhausted into a waste gas outlet(11-1) formed separately.
Patent KR-20020033335-A (KR)
Title: Meeting services system making use of on-line and off-line together and method thereof
Inventor: BAEK UN SU
IPC: G06Q30/06
Filed: 2000-10-30
Abstract: PURPOSE: A meeting service system and method using on-line and off-line is provided to make profit from an Internet meeting site by collecting meeting applicants among customers of member stores, by providing pictures and information of the applicants to individual members, thereby meeting the applicants and the members together. CONSTITUTION: A meeting service system includes the N number of member store devices(200-1, 200-2,..., 200-N) connected to the Internet(100) and the M number of individual member devices(400-1, 400-2,..., 400-M). The member store devices(200-1,...,200-N) are equipped in each member store. In addition, the member store devices(200-1,...200-N) generate picture files of meeting applicants who want to register the applicants' profiles in an Internet meeting site. The member store devices(200-1,...,200-N) transmit personal information to a service provider device(300) through the Internet(100).
Patent KR-20020037995-A (KR)
Title: Electrode structure in plasma polymerizing apparatus
Inventor: HA SAM CHEOL
IPC: H01J37/32
Filed: 2000-11-16
Abstract: PURPOSE: An electrode structure of a plasma polymerization processing apparatus is provided, which fixes an electrode efficiently and also insulates between the electrode and a chamber when a power is applied to the electrode. CONSTITUTION: An electrode(20) is closely fixed by a top plate(21) and a bottom plate(22), and both plates are closely fixed by a top electrode holder(23) and a bottom electrode holder(24) respectively. Because the electrode is fixed again by the top electrode holer and the bottom electrode holder, the whole electrode is replaced if necessary. An electricity applying unit(26) is connected to the top plate. On the other hand, the top electrode holder and the bottom electrode holder are connected by a connection unit(25) like a screw strongly to fix the electrode and the electrode plates, and the electrode holders are fixed to a chamber wall by a fixing unit again.
Patent KR-20020042306-A (KR)
Title: Filtered multitone transmission apparatus and method having high channel transmission capability
Inventor: HWANG CHAN SU
IPC: H04J1/08
Filed: 2000-11-30
Abstract: PURPOSE: An apparatus and method for transmitting a filtered multitone having high transmission capability is provided to enhance the transmission capability by designing a new prototype filter for forming each sub-channel as a partial response, providing only limited ISI(Inter Symbol Interference) to each sub-channel, and removing the limited ISI. CONSTITUTION: A signal adding unit(30) adds results filtered in the first to Mth filters(20,22,24) and outputs the added result as a modulation signal to a channel(40). The pth over sampling unit increases a sampling rate of a digital input signal and outputs the increased result. The kth transmission filter filters the increased result outputted from a corresponding over sampling unit among the first to M'th over sampling units(10,12,14). The mth receipt filter filters a receiving signal. The pth under sampling unit receives a filtered result outputted from a corresponding receipt filter among the first to Mth receipt filters(60,62,64), decreases the sampling rate, and outputs the decreased result as a demodulation signal.
Patent KR-20020043068-A (KR)
Title: Apparatus for controlling a motor in electronic power steering system
Inventor: KIM SEONG GYU
IPC: B62D6/00
Filed: 2000-12-01
Abstract: PURPOSE: A motor control device in an electronic power steering system is provided to weaken the power steering function for providing the under steer performance, thereby preventing the over steer of a driver on a slippery road and obtaining the stable and safe steering performance. CONSTITUTION: A motor control device in an electronic power steering system includes a torque detection part(2) for detecting a torque size according to a driver's steering, an electronic control unit for braking(4) for outputting electronically controlling braking signals in case of a sudden braking, an electronic control unit for electronic power steering(6) which generates a motor current corresponding to the torque size output from the torque detection part, wherein the motor current is decreased when the electronically controlling braking signal is provided, and an electronic power steering motor(8) to be driven by the motor current provided from the electronic control unit for electronic power steering to help the driver's steering.
Patent KR-20020043893-A (KR)
Title: LCD mounting bracket structure in a cluster in an automobile
Inventor: KO JIN YEONG
IPC: B60K37/02
Filed: 2000-12-04
Abstract: PURPOSE: Structure of an LCD(Liquid Crystal Display) mounting bracket in the cluster of a vehicle is provided to prevent the displacement of an LCD by firmly fixing the LCD on a PCB(Printed Circuit Board), and to improve the reliability of a product by avoiding the defective contact of terminals. CONSTITUTION: An LCD(30) is placed on a PCB(20). While a signal transmitting medium(31) is stood uprightly, a bracket(10) surrounds the LCD. The end of the bracket is pressurized onto the PCB. The bracket comprises a pressurizing plate(11) having an incised face and a support(12) fixed on the PCB by interference-fit. Therefore, the LCD is firmly fixed on the PCB.
Patent KR-20020044228-A (KR)
Title: Method for controlling compensation of starting fuel amount of diesel engine
Inventor: CHOI YEONG HO
IPC: F02D41/04
Filed: 2000-12-05
Abstract: PURPOSE: A method for controlling compensation of the start fuel amount of a diesel engine is provided to reduce cost and weight of a vehicle by improving performance only with a logic. CONSTITUTION: A method for controlling compensation of the start fuel amount of a diesel engine comprises the steps of starting a vehicle by turning on a key(110), initializing an ECU(Electronic Control Unit) of the vehicle(120), determining a start fuel amount in cranking determined simultaneous with the initialization of the ECU(130), comparing the predetermined cranking rpm with the start rpm of an engine(140), comparing cranking release rpm with engine rpm if the predetermined cranking rpm is not higher than the start rpm of the engine(150), and changing to an idle mode if the engine rpm is larger than the cranking release rpm or the same(160).
Patent KR-20020050942-A (KR)
Title: Special nut for wooden deck of truck
Inventor: LEE YONG HWAN
IPC: F16B13/00
Filed: 2000-12-22
Abstract: PURPOSE: A special nut for wood deck for truck is provided to achieve improved workability by eliminating the necessity of forming through holes at the wood, while achieving an aesthetic enhancement. CONSTITUTION: A nut(10) for wood deck comprises a main body shaped as a turbination and which has an insertion portion(14) formed to be acute at the lower portion of the main body; blades(12) arranged integrally with the main body of the nut; a protrusion(13) formed at the top of each blade in such a manner that the protrusion is slightly higher than the main body of the nut; and a screw thread(11) formed at the inner wall surface of the hole formed at the center of the main body of the nut. The protrusion prevents the screw thread from being damaged when the nut is hit by a hammer so as to be mounted to the wood.
Patent KR-20020052404-A (KR)
Title: parking system for automatic transmission
Inventor: KIM U YEOL
IPC: F16H63/30
Filed: 2000-12-26
Abstract: PURPOSE: A parking device for an automatic transmission is provided to improve controlling feeling by changing structure of the parking device and to improve durability of the parking device. CONSTITUTION: A parking device of an automatic transmission comprises a case(10) mounted on a transmission; a strap(22) surrounding an outer circumference of a parking gear(14) by being fixed on the case; plural protruded sprags(24) arranged between gear tooth of the parking gear with a radial shape; a cage(26) fixed on a space between the packing gear and the strap; a guide hole(26a) guiding movement of the protruded sprag by being mounted on the cage; an extension spring(28) elastically supporting the strap; a piston rod(30) combined to the strap; an actuating cylinder(32) installed on the piston rod; an oil pump(34) pressurizing actuating oil; a direction controlling valve(36) selectively changing flowing direction of the actuating oil; a link member(38) moved according to rotation of a shift lever; first and second moving members(40,42) pressurizing the strap by movement of the link member; and a protrusion unit(40a).
Patent KR-20010098381-A (KR)
IPC: G11B21/22
Filed: 2000-12-27
Abstract: 암의 선단에 헤드를 갖는 디스크 장치의 헤드 속도 제어 방법에 있어서, 헤드를 디스크의 기록면상 이외의 파킹 에리어에 퇴피시키는 램프 언로드 동작 중과, 파킹 에리어로 퇴피된 헤드를 디스크의 기록면 상에 복귀시키는 램프 로드 동작의 적어도 한쪽으로, 헤드 속도를 미리 설정된 복수의 목표 속도로 스위칭 제어하는 단계를 포함하도록 구성한다.
Patent KR-20020056551-A (KR)
Title: Cancel cam construction of auto return device for turn signal lever
Inventor: HUH CHANG HYEOK
IPC: B60Q1/40
Filed: 2000-12-29
Abstract: PURPOSE: A cancel cam structure of an automatic restoring unit of a turn signal lever is provided to prevent the waste of manufacturing cost and time for the cancel cam by forming cam protrusions at right and left sides of an outer peripheral surface of the cancel cam. CONSTITUTION: A cancel cam structure of an automatic restoring unit of a turn signal lever including a steering wheel(20) mounted in the center of a main body(10) to be inserted by a steering shaft, a cancel cam(30) operating in association with the steering wheel, and a turn signal lever(40) and a wiper manipulation lever(50) mounted at right and left sides of the main body, includes cam protrusions(31,32) formed at right and left sides of an outer peripheral surface of the cancel cam.
Patent KR-20010022822-A (KR)
Title: 차량 속도를 제어하는 방법 및 장치
IPC: B60W30/00
Filed: 1998-08-11
Abstract: 본 발명은 정속 주행 장치(cruise control device)에 의해, 구체적으로는 차량의 속도가 바람직하게는 선택된 일정한 속도(V det )에 대해 제어되는 정속 주행 제어 상태(13)와, 차량의 속도(V curr )가 선택된 일정한 속도(V det )에 가깝게 제어되는 감속 상태(14)와, 속도 변화가 바람직하게는 수동으로 제어되는 가속 상태(15)와, 시스템이 임시로 또는 영구적으로 꺼지는 인액티브(inactive) 상태(16)와, 주로 차량의 진행 방향에 있는 다른 차량과의 차간 거리가 제어되는 거리 제어 상태(17) 중의 하나 이상의 상태로 정속 주행 장치를 설정하여, 차량의 속도를 제어하는 방법에 관한 것이다.  이러한 방법은 정속 주행 제어를 임시 상태(18)에 놓는 단계를 더 포함하며, 이 단계에서 이 상태(18)로 전환되는 시간에서 속도(V curr )가 유지된다.
Patent KR-20010024107-A (KR)
Title: 차단된 이소시아네이트 증량제를 포함하는 플루오로케미컬조성물 및 이것으로 섬유 기재를 처리하는 방법
IPC: D06M15/576
Filed: 1997-09-18
Abstract: 본 발명은 섬유 기재의 처리용 플루오로케미컬 조성물을 제공한다. 이 플루오로케미컬 조성물은 폴리이소시아네이트와, 지방산 에스테르 디올, 폴리실록산 디올, 폴리에스테르 디올, 폴피테트라메틸렌 글리콜, 이량체 디올 및 이들의 혼합물로 구성된 군에서 선택되는 디올과 이소시아네이트 차단제의 축합 반응에서 유래한 차단된 이소시아네이트 증량제 및 1종 이상의 플루오로케미컬 화합물을 포함한다. 본 발명은 또한 상기 조성물로 처리한 섬유 기재 및 상기 플루오로케미컬 조성물을 섬유 기재에 발수성 및/또는 발유성을 부여하는 데 사용하는 용도에 관한 것이다.
Patent KR-20010030719-A (KR)
Title: 기지국 장치 및 무선 통신 방법
IPC: H04W4/00
Filed: 1999-07-26
Abstract: 지향성 제어 판정 회로(116)는, 목적지 통신국과 다른 통신국이 상대적으로 근접한 지의 여부를 판정하고, 선택 회로(113)는, 목적지 통신국과 다른 통신국이 상대적으로 근접한 경우는, 목적지 통신국 및 다른 통신국의 통신 지향성 중에서 단일의 통신 지향성을 선택하며, 가중 계수 승산 회로(104)는, 목적지 통신국에 대한 통신 지향성을, 선택된 단일의 통신 지향성으로 되도록 제어한다.
Patent KR-20010030834-A (KR)
Title: 엠보싱 처리된 중합체 배향 필름
IPC: B29C59/04
Filed: 1998-09-23
Abstract: 엠보싱 처리된 열가소성 배향 필름 및 이를 제조하는 방법을 기술한다.  본 발명의 엠보싱 처리된 열가소성 배향 필름은 엠보싱 처리하지 않은 열가소성 배향 필름과 실질적으로 동일한 기계적 물성을 갖는다.  본 발명의 방법은 제1 및 제2 주표면을 갖는 열가소성 배향 필름을 제공하는 단계, 적어도 하나 이상의 제1 및 제2 주표면을 연화시켜 연화된 표면을 형성하는 단계, 연화된 표면을 엠보싱하여 엠보싱 처리된 열가소성 배향 필름을 제조하는 단계 및 엠보싱 처리된 열가소성 배향 필름을 냉각하는 단계를 포함한다.
Patent KR-20010031495-A (KR)
IPC: H04W28/20
Filed: 1999-08-10
Abstract: A method of operating within a communication system wherein a bandwidth provider responsible for a given bandwidth provides different amounts of bandwidth to respective partial users. The method comprises the steps of determining a bandwidth availability profile; determining a traffic profile; and transmitting capacity information to a partial user, wherein the capacity information comprises the bandwidth availability profile and the traffic profile. The user is enabled to make the best use of the available bandwidth. The invention is particularly advantageous in network arrangements including cellular communication systems such as UMTS.
Patent KR-20010033314-A (KR)
Title: UV Protected Electrochromic Device
IPC: C09K19/02
Filed: 1998-12-08
Abstract: This invention relates to electrochromic devices that are protected against UV light by nanoparticles.
Patent KR-20010033876-A (KR)
Title: 수송 팩키지 내부의 핵연료 집합체의 횡쿠션장치
IPC: G21F5/008
Filed: 1998-12-21
Abstract: 본 발명은, 그 표면들 중 하나에 위치되며, 대규모의 핵연료 집합체에 대해 횡으로 관련되는 적어도 하나의 가이드 요소를 구비하는 셀로 통합된 고정 구조체(3)와; 상기 연료 집합체상에 놓일 수 있으며 상기 고정 구조체(3)와 협동하여 작동하는 적어도 하나의 횡가이드 요소(7)를 구비하는 횡이동 구조체(6)와; 조정 장치(14)(22)(33)(48)에 의해 상기 연료 집합체위로 상기 이동 구조체(6)를 클램핑하거나 또는 클램핑하지 않는 데 필요한 적어도 하나의 조정가능한 클램핑 요소(10)(20)(31)(32)(47)를 구비하는 조정가능한 클램핑 수단(8); 및 상기 연료 집합체의 접근가능한 단부로부터 작동될 수 있는 제어부재(15)(21)(34)(43);를 구비하고 상기 제어부재는 상기 고정 구조체(3)에 대한 반작용에 의해 클램핑을 확실히 하거나, 또는 클램핑하지 않는 클램핑 요소 또는 그 조정 장치에 작용하는 것을 특징으로 하는, 수 개의 벽들을 가진, 유사한 길이의 셀들 내에 수용된 매우 긴 핵연료 집합체용 횡쿠션장치에 관한 것이다.
Patent KR-20010041601-A (KR)
Title: 광촉매 코팅을 갖는 기재
IPC: C09D1/00
Filed: 1999-03-05
Abstract: 본 발명은, 광촉매 특성(photocatalytic property)을 갖는 코팅(coating)(3)이 제공되고, 결정화된 형태에서 광촉매 특성을 또한 갖는 금속 B의 산화물을 적어도 하나 포함하고, 선택적으로 광촉매 특성이 없는 적어도 하나의 금속 M 산화물 및/또는 실리콘 산화물 SiO 2 과 같은 실리콘 화합물을 적어도 하나 포함하는 광물성 바인더(mineral binder)(5)에 의해서 상기 코팅에 결합되는 광촉매 특성을 갖는 금속 A 산화물의 결정화된 입자들(crystallized particle)이 제공되는 기재를 얻는 방법에 관한 것이다. 이것은, 금속 A 산화물의 상기 결정화된 입자들, 금속 B 산화물 바인더(5)의 임의의 선구물질 화합물 및 선택적으로 금속 M 산화물 및 Si 화합물의 선구물질 화합물을, 중량 기준으로 60/40 내지 40/60의 상대 비율 A/(B + M + Si)로 함유하는 액상 분산액으로부터 코팅(3)을 증착하는 것으로 구성된다. 본 발명은 또한 결과로 생성된 코팅된 기재와 이것의 여러 가지 응용에 관한 것이다.
Patent KR-20010034718-A (KR)
Title: 속붕해성 고형 세티리진 제형
IPC: A61K9/46
Filed: 1999-03-20
Abstract: 본 발명은 세티리진 또는 약제학적으로 허용되는 이의 염; 하나 이상의 식용 유기산 및/또는 이의 염, 알칼리 금속 및/또는 알칼리 토금속 탄산염 또는 중탄산염을 포함하는 비등 염기와, 경우에 따라, 약제학적으로 허용되는 이의 보조제를 포함하는 경구 투여용의 속붕해성 고형 비등 제형에 관한 것이다.
Patent KR-20010052902-A (KR)
Title: 스로틀 밸브 위치를 이용한 세척 공정의 종료점 결정
IPC: H01L21/302
Filed: 1999-05-11
Abstract: 본 발명은 공정을 수행하는 동안 밸브의 위치를 모니터링함으로써 공정의 종료점을 검지하는 방법 및 장치를 제공한다.  일 양태에서, 세척 공정이 챔버 내에서 수행되고, 제어기는 세척 공정의 종료점을 결정하기 위해 스로틀 밸브 위치를 모니터링하는데, 이러한 종료점은 세척 공정이 완료된 후 안정된 스로틀 밸브 위치를 달성하도록 요구된 여러 단계에서의 밸브 위치의 변화에 대응한다.
Patent KR-20010025531-A (KR)
Title: Component fixing method of fiber ornaments
Inventor: KIM GI UNG
IPC: F21V8/00
Filed: 2001-01-03
Abstract: PURPOSE: Provided is a fixing method for an instrument of decorating structure on optical fiber which has excellent durability, water resistance, increased life span and reliability of a consumer. CONSTITUTION: The fixing method is comprised of: mixing raw material and foaming agent in a mixing device to produce foaming material; coating waterproof agent on the front side, the back side or both sides of basic material with a coating machine, followed by drying and curing in a dryer; grafting the optical fiber upon the basic material to comprise the decorating structure of the optical fiber, followed by coating the foaming material on the back side of the grafted basic material to mold; and then curing the molded foaming material.
Patent KR-20020060374-A (KR)
Title: A method of displaying an advertisement in a wireless mobile terminal using a file download time
Inventor: KWON HYEOK JIN
IPC: H04W4/00
Filed: 2001-01-10
Abstract: PURPOSE: An advertisement display method in a wireless mobile terminal using a file downloading time is provided to reproduce and screen-output an advertisement message close to the time required for the downloading a high capacity file to a wireless mobile terminal. CONSTITUTION: When a mobile terminal accesses an Internet network and selects a desired file from a site holding various file(S10), a file select signal is transmitted to a Web server. The Web server transmits a message requesting a confirmation for downloading a data on the basis of the file select signal, and the confirmation request message is inputted to a controller. The controller displays the confirmation request message content on a display unit. When the user clicks 'OK' over the text content displayed on the display unit, the OK clock signal is transmitted to the Web server. The Web server fetches the user's desired file from the site and transmits it to a mobile communication network(S12). The file is stored in a memory unit and the controller calculates a time required for downloading it in consideration of the size of the file and the speed of the current downloading(S14). The controller extracts an advertisement message having a reproduction time most close to the calculated time required for downloading among various advertisement message. The controller transmits the advertisement message to a reproduction processing unit and the reproduction processing reproduces the advertisement message and displays it on the display unit. Accordingly, the advertisement is displayed on the display unit.
Patent KR-20020060029-A (KR)
Title: Backmirror controlled apparatus for using cctv and controlling method thereof
Inventor: KIM YUN HO
IPC: B60R1/04
Filed: 2001-01-09
Abstract: PURPOSE: An apparatus and a method for controlling a back mirror are provided to allow a driver to easily view a rear portion of a vehicle by displaying the rear portion of the vehicle through a monitor of a CCTV. CONSTITUTION: A back mirror controlling apparatus includes a monitor(120) installed in a vehicle and connected to an electric wire so as to allow a driver to recognize various information while driving the vehicle and a plurality of charge coupled devices. Charge coupled devices(200,210) are installed at both inner lateral portions of the vehicle so as to take a picture about a rear portion of the vehicle. A charge coupled device(320) is installed at a rear end of the vehicle so as to take a picture about the rear portion of the vehicle. In addition, a charge coupled device(300) is installed at a bottom of the vehicle so as to take a picture about an underside, a front side and a rear side of the vehicle.
Patent KR-20010078067-A (KR)
Title: Dihalo-compound and process for producing vitamin a derivative
Inventor: SEKO SHINZO
IPC: C07C29/00
Filed: 2001-01-26
Abstract: PURPOSE: Provided a dihalo-compound useful as intermediate material in process for preparing retinol, and so on, and a method for producing vitamin A derivative using the dihalo-compound. CONSTITUTION: The dihalo-compound have a general formula(1). In the formula(1), X1 and X2 represent different halogen atoms, and R represents a hydrogen atom or a protective group for a hydroxyl group. The dihalo-compound is prepared by reacting at least one compounds selected from compound of formula(2) and compound of formula(3) with halogenating agent. In the formula(2) and (3), X1 represents halogen atom, R represents the same as defined above. The dihalo-compound is reacted with sulfone compound of formula(6) to prepare sulfone derivative of formula(5). In the formulas(5) and (6), Ar represents an optionally substituted aryl radical, and R represents the same as defined above.
Patent KR-20020065107-A (KR)
Title: System and method for detecting position and providing information
Inventor: JUNG JONG BAI
IPC: H04B7/00
Filed: 2001-02-05
Abstract: PURPOSE: A system and method for recognizing and guiding a position is provided to recognize a current position of a user without the specific operation of the user and automatically offer information suitable for the current position to the user. CONSTITUTION: One or more transmitting devices(T1-Tn) convert position recognition signals which are previously set and are classified each other into a format of a signal suitable for an RF(Radio Frequency) transmission, and transmit the converted signals. One or more receiving devices(R1-Rm) receive the signal from the each transmitting device(T1-Tn) by wireless, extract the position recognition signals, and retrieve and provide data corresponding to the position recognition signals.