baber/WOPTO huggingface dataset:
Patent KR-20010093547-A (KR)
Title: Airconditioner for vehicles having dual evaporator struction
Inventor: BAEK YONG GI
IPC: B60H1/00
Filed: 2000-03-29
Abstract: PURPOSE: A vehicle air conditioning system is provided to achieve an improved evaporating efficiency of evaporators and cooling efficiency of motor vehicle by preventing evaporators from being supercooled and iced. CONSTITUTION: A condenser(1) has two condensers(2,3), and a receiver dryer(4) and a pair of three-way valves(5,6) are connected to condensers. Front evaporators(7,701) and rear evaporators(8,801) are installed to three-way valves. Evaporators have output side refrigerant pipes(9,901) with a preheating member so as to thereby prevent evaporators from being iced. The preheating member is constituted by arranging output side refrigerant pipes of evaporators to tightly contact an engine coolant circulation pipe(10). Alternatively, the preheating member is a preheat device for supplying heat source to refrigerant pipes. Alternatively, refrigerant pipes are exposed outward from the motor vehicle so as to thereby prevent icing of evaporators by the atmospheric temperature.
Patent KR-20010096735-A (KR)
Title: Necktie
Inventor: HONG GYEONG SU
IPC: A41D25/00
Filed: 2000-04-14
Abstract: PURPOSE: A necktie having improvements of being fixed to a button on a dress shirt independent of length of the necktie at wearing the same and of preventing a middle part of the necktie from hanging down in case that a person in the necktie bends his(her) back is provided by applying a zipper on a narrower part of the necktie along its length. CONSTITUTION: The necktie comprises a wider-width part(1), a narrower-width part(2), a zipper(4) having two sliding fasteners(5) to be opened and closed to both sides on the back of the narrower part(2). The fasteners(5) opposite to each other is controlled to a specific height of a button(6) of a dress shirt(Y) to determine a part to be opened. The zipper inserts the button(6) into the opened part and closes the fastener to secure the necktie(T) to the dress shirt(Y). The necktie has a label(3) to be inserted by one end part of the narrower part(2) on the back of the wider part(1).
Patent KR-20010097048-A (KR)
Inventor: LEE EUNG GWAN
IPC: H01J11/24
Filed: 2000-04-19
Abstract: 본 발명은 공통서스테인전극라인간에 저항차를 줄이도록 한 플라즈마 디스플레이 패널의 공통서스테인전극에 관한 것이다. 
     본 발명의 플라즈마 디스플레이 패널의 공통서스테인전극은 다수의 공통서스테인전극라인들이 병렬로 접속되어 외부로부터의 서스테인펄스를 다수의 공통서스테인전극라인들에 공통으로 공급하는 공통패드를 구비한다. 
     본 발명에 의하면, 공통서스테인전극라인들의 끝단에 하나의 공통패드를 형성하므로 저항차가 생기지 않는다.
Patent KR-20010098009-A (KR)
Inventor: LEE SU JEONG
IPC: H05K3/00
Filed: 2000-04-27
Abstract: 본 발명은 평탄면 인쇄회로기판의 제조방법에 관한 것으로, 좀 더 구체적으로는 절연판위에 형성된 회로를 보호하기 위하여 니켈도금층 및 금도금층이 순차적으로 적층된 단면 또는 양면 인쇄회로기판의 제조방법에 있어서, 상기 금도금층상에 동도금층을 형성시킨 다음, 에칭에 의해 형성된 단차면 및 인쇄회로기판 전면에 수지를 충진 및 피복시키고, 상기 인쇄회로기판 전면에 피복된 수지를 평탄 부라슁으로 제거하고, 상기 동도금층은 알카리 성분으로 부식시켜 제거한 다음, 연마시키는 평탄면 인쇄회로기판의 제조방법에 관한 것이다.   본 발명의 방법은 인쇄회로기판의 단차면을 수지로 충진시킴으로써, 콘택터 슬라이드가 왕복운동하는 자동차용 스위치 또는 가정용 스위치에 걸림현상과 노이즈가 발생하지 않는 효과가 있다.
Patent KR-20000053869-A (KR)
Inventor: JUNG BYUNG HEE
IPC: H04W4/12
Filed: 2000-04-27
Abstract: PURPOSE: A method for inserting advertisements using wireless communications terminals is provided to increase advertising efficiency and reduce charges of telephone calls, by appending advertising data to transmit the data to a wireless communications terminal of a receiver when a customer transmits a text message or graphic data. CONSTITUTION: A method for inserting advertisements using wireless communications terminals comprises the steps of: temporarily storing text messages or graphic data transmitted from a wireless communications terminal of a transmitter in a database of a server connected to a relay center; appending advertising data stored in the database to the text messages or the graphic data; and transmitting the text messages or the graphic data to a wireless communications terminal of a receiver.
Patent KR-20010100427-A (KR)
Inventor: KIM IN GAP
Filed: 2000-05-02
Abstract: 본 발명은 자동차용 공기조화장치에 관한 것으로서, 효율적인 냉난방 제어에 따른 냉난방 성능 향상을 도모할 수 있고, 또한 벤트들을 개폐하는 도어의 작동구조를 단순화할 수 있도록 하는 것을 목적으로 한다. 
     본 발명에 따른 장치는 증발기(31) 및 히터 코어(32)가 내장되고 분리벽(13)에 의해 상,하부공기유로(11,12)로 구획되며, 하부공급유로에는 벤트(14)가 설치되고 상부공기유로에 벤트(15,16)가 설치되며, 분리벽 후단부에는 벤트(17)가 형성된 공기조화케이스(1)와; 같은 모터(25)에 의하여 회전하는 제1 및 제2송풍팬(23,24)이 설치되도록 상기 분리벽에 의해 상,하부 스크롤부(21,22)로 구획된 스크롤 케이스(2)와; 그리고, 전환도어(43)로 외기 유입구(42) 또는 내기 유입구(41)의 개도가 조절하여 내,외기를 상,하부 스크롤부로 도입하는 에어 가이드 덕트(4)를 가진다. 상,하부공기유로에 걸쳐 벤트(16,17)를 도어부(161,171)를 가진 이중 커넥션 도어(18)가 설치된다. 또한 벤트(15)는 디프로스트 도어(151)에 의하여 개폐된다. 또한, 상,하부공기유로에는 배플(19,20)이 설치된다.
Patent KR-20010100665-A (KR)
Inventor: YANG YOUNG SOON
Filed: 2000-05-04
Abstract: 본 발명은 수동 변속기 차량의 클러치 페달 조작을 자동으로 제어하기 위한 시스템에 관한 것이다. 
     본 발명의 클러치 자동 제어 시스템은 피엘씨(PLC)로 구성되는 신호 감지 및 구동 제어부와, 구동 모터부와, 클러치 페달 구동부와, 가속 감지기로 구성되며, 신호 감지 및 구동 제어부는 가속 페달에 연결되는 가속 감지기에서 출력되는 다단계의 가속 페달 동작 신호와, 인코더를 통해 입력되는 차속 신호와, 브레이크 작동 신호와, 클러치 페달 구동부 하우징 저면에 부착되어 클러치 페달 작동 상태를 감지하는 각종 스위치들로부터의 신호 등이 입력되면, 입력된 신호를 근거로 하여 차량의 상태 즉, 변속하고자 하는 시점인지 아닌지를 판단하게 되고, 그 판단 결과에 적합한 클러치 페달의 위치를 제어하기 위하여 구동 모터부의 구동 모터를 정/역회전 및 정지시키며, 따라서 구동 모터의 축에 연결된 클러치 페달 구동 드럼이 회전하여 클러치 페달의 위치를 제어하게 된다. 
     특히, 본 발명 시스템을 구성하는 가속 감지기는 적어도 두 개 이상이 구비되는 가속 감촉자에 의하여 가속 페달이 조작되는 정도를 다단계로 감지하여 클러치 페달이 완전히 밟힌 상태와 밟히지 않은 상태 뿐 아니라 반 클러치의 수준까지도 제어 하며, 클러치 페달 위치의 감지가 클러치 페달 구동 드럼과 함께 조립되어 회전하는 세 개의 캠에 의하여 감지되고 제어됨에 기술적 특징이 있다. 
     본 발명 수동 변속기 차량의 클러치 자동제어 시스템은 가속 페달이 조작되는 단계를 다단계로 구분 감지 하여 반 클러치 상태를 적절히 제어함으로써 변속 후 부드러운 출발이 가능할 뿐 아니라, 클러치 페달의 작동 상태를 감지하는 스위치를 활성화시키는 세 개의 캠 중에서 상·중단 캠의 위치를 차량에 따라 손쉽게 조절 가능하고, 전원과 차속 및 브레이크 신호만을 차량으로부터 입력 받으면 되는 바, 본 발명 시스템은 차량의 종류에 관계 없이 손쉽게 장착 가능하여 운전자의 운전 부담을 덜어 줄 수가 있다.
Patent KR-20000053921-A (KR)
Inventor: KIM TAE MOON
IPC: F25C5/04
Filed: 2000-05-09
Abstract: PURPOSE: An ice grinder is provided to grind a lump of ice finely like snow by rotating and compressing the lump of ice as well as to cleanly store the lump of ice. CONSTITUTION: On compressing and rotating a lump of ice at once, the bottom of the lump is ground by a blade(21) and the ground lump is discharged to a dish(33) of a dish rotating table(30) through an ice discharge hole. An ice fixer(14) is rotationally fallen down with a rotating shaft(15) to continuously grind the bottom of the lump by the blade. The dish rotating table is rotated and the ground lump of ice is regularly piled in the dish.
Patent KR-20000077325-A (KR)
Title: 휴징 가공방법
IPC: H01R43/02
Filed: 2000-05-18
Abstract: 피가공물에 있어서, 히트쇼크를 방지하여 가공품질을 향상시킴과 동시에 전극의 손상열화를 균등화하여 메인터넌스의 개선을 꾀하는 것이다. 제어부(42)는, 모든 통전시간을 구성하는 복수의 통전기간중, 홀수번째의 각 통전기간에서는 제 2 셋트의 스위칭 소자(26,30)를 오프상태로 유지한 채, 제 1 셋트의 스위칭 소자(24,28)만을 인버터 주파수로 연속적으로 스위칭 동작시키고, 짝수번째의 각 통전 기간에서는 제 1 셋트의 스위칭 소자(24,28)를 오프 상태로 유지한채 제 2 셋트의 스위칭 소자(26,30)만을 인버터 주파수로 연속적으로 스위칭 동작시킨다. 이것에 의해 전원 장치의 2차측 회로에 있어서는, 거의 대형상의 전류 파형을 가지는 2차전류 (i2)즉, 휴징용 전류I가 홀수번째의 각 통전 기간에서는 정극방향으로, 짝수번째의 각 통전기간에는 부극방향으로 흐른다.
Patent KR-20010105131-A (KR)
Inventor: KIM DOH YON
Filed: 2000-05-19
Abstract: 기존의 미생물학적 분석 및 배양을 위한 연속배수희석방법을 무균적인 간단한 장치로부터 시간과 노동력을 절감하여 미생물 분석 및 분석화학적 실험을 용이하게 하였다.
Patent KR-20010020876-A (KR)
Title: Method and apparatus for enhancing activation of voice controlled devices
Inventor: GEILHUFE MICHAEL
IPC: G10L15/28
Filed: 2000-05-20
Abstract: PURPOSE: A method and a device for improving activity of a voice controller are provided for improving recognition precision by activating a voice control electronic device when all of the relative silence, name of the device and a command are recognized by the device. CONSTITUTION: Voice controllers(102A to 102H) with an uttering recognition system, waiting for relative silence in a communication environment. Assume that users(101A to 101H) are conducting a conference in an environment(100), i.e., a conference room. Then, telephones having a speaker/phone function are assumed to be device names, i.e., voice controllers(102A to 102H). The users(101A to 101H) call for the name, i.e., a telephone and commands are given to the devices(102A to 102H). By giving the name of the devices(102A to 102H), the devices(102A to 102H) are correctly responded to the given commands, and no confusion occurs between many users and the devices(102A to 102H).
Patent KR-20000054098-A (KR)
Inventor: SEO SANG TAE
Filed: 2000-05-22
Abstract: PURPOSE: A method for sharing a database in an internet of a construction agency and an application service provider solution are provided to form a convenient and reliable security system in the internet, and thereby advertise the construction agency and improve efficiency among the construction agency, a related authority and a cooperating company, and reduce a cost for purchasing a program. CONSTITUTION: An architecture internet data center(AIDC) is connected to each construction company and enables a program for a construction related work to be used freely or with a payment via the internet. The AIDC includes separate work spaces for each company, and provides a virtual office in which data related to the work is stored and a work can be proceeded at any time. The AIDC supports an on-line CAD education between the companies, and an image conference by an image conference system.
Patent KR-20000054203-A (KR)
Inventor: LIM SANG HYUN
IPC: A61F7/00
Filed: 2000-05-26
Abstract: PURPOSE: A hyperthermic treatment device having movable massage spheres is provided to achieve an enhanced effectiveness of massaging action while arranging the massage spheres to move vertically and horizontally. CONSTITUTION: A device comprises a moving body(10) installed within the device to be horizontally movable and a massage sphere(20) installed onto the moving body(10) and which has at an interior thereof a lamp generating heat and far infrared ray, the device further comprising a pair of spiral gears(40) installed at both sides of the moving body(10) to be rotatable centering from an axis(31), the gears(40) rotating by a rotation motor(30), and an elevating body(50) having a plurality of massage spheres(20) at a top portion thereof and which moves vertically by a rotational force from the spiral gear(40), the elevating body(50) having at both sides thereof a driving axis(52) to be inserted into a spiral groove(42) formed at an inner surface of the gear(40). Thus, upon rotation of the gear(40), the axis(52) moves vertically along the groove(42) so as to move the elevating body(50) in vertical direction.
Patent KR-20010007262-A (KR)
Inventor: COSTA MAURO
IPC: H04M1/00
Filed: 2000-06-07
Abstract: PURPOSE: A method for establishing transmission to a mobile station via a radio network is provided to obtain an enhanced mobile body cell reception scenario for a service dependent direct retrial. CONSTITUTION: In the method for establishing transmission to a mobile station in a cellular radio communication system, first, a mobile switching center(MSC) receives a signal to start a call, and informs a network information about a paging message. Next, the paging message is supplied to the mobile station(MS). The display of a radio service request condition is served together with the paging message. Thus, it is required to measure only a cell satisfying a radio service request condition to decide which cell is to be used. Accordingly, the paging signal can directly or indirectly provide the display of the radio service request, thereby optimizing the call terminated in the mobile station(MS)
Patent KR-20010049636-A (KR)
Inventor: KIM YEONG DAE
IPC: C07C68/06
Filed: 2000-06-27
Abstract: PURPOSE: A method for preparing methyl phenyl carbonate by using an inhomogeneous solid catalyst in gas phase is provided, which provides the methyl phenyl carbonate having excellent activity. CONSTITUTION: The method comprises steps of: (i) preparing a liquid mixture solution by mixing dimethyl carbonate with phenol in a molar ratio of 1:1-10:1; (ii) vaporizing the liquid phase mixture solution; and (iii) gas phase reacting the vaporized mixture solution under a catalyst selected from the group consisting of molybdenum dipped in catalyst, titanium dipped in catalyst, chromium dipped in catalyst, tungsten dipped in catalyst, vanadium dipped in catalyst and stannum dipped in catalyst at a temperature of 300-600 deg.C.
Patent KR-20000063325-A (KR)
Inventor: KANG SEONG GU
IPC: A61K9/70
Filed: 2000-06-28
Abstract: PURPOSE: A pharmaceutical aerosol is provided, which shows rapid analgetic and anti-inflammatory effect on the pain portion than existing ejection-type analgesic and anti-inflammatory drug by the refrigerating effect of the aerosol to the skin surface; and is easy to control pain by local anesthesia. CONSTITUTION: The pharmaceutical aerosols comprises of l-menthol(K.P.)(analgesic effect and antiseptic effect) 2.0g, d-Camphor(K.P.)(local irritation and antiseptic effect) 3.0g, methyl salicylate(K.P.)(local irritation and analgesic effect) 6.0g, diphenhydramin(K.P.)(anti-histamine) 0.2g, thymol(K.P.)(disinfectant and antiseptic effect) 0.2g, glycol salicylate 2.0g, tocopherol acetate(K.P.)(stabilizing effect on living membrane, and anti-oxidant effect) 0.2g, ethyl amino benzoate(K.P.)(local anesthesia) 2.0g, lidocaine(K.P.)(local anesthesia) 1.0g, ethanol(K.P.) adequate quantity. The pharmaceutical aerosol is prepared by pouring the mixed compound 20g into the vacuumed container filled with refrigerant.
Patent KR-20020002159-A (KR)
Title: Method for forming W gate electrode
Inventor: PARK SANG UK
IPC: H01L21/336
Filed: 2000-06-29
Abstract: PURPOSE: A method for manufacturing a tungsten gate electrode is provided to reduce the size of a barrier in a contact process of a bitline and the tungsten gate electrode and to increase adhesion intensity between the bitline and the tungsten gate electrode, by performing an in-situ plasma nitride process regarding a tungsten layer of the tungsten gate electrode to form a tungsten nitride layer. CONSTITUTION: A doped polysilicon layer(110) is formed on the oxide layer of the tungsten gate electrode of a semiconductor substrate. A diffusion barrier layer and the tungsten layer(114) are sequentially stacked on the doped polysilicon layer. An in-situ plasma nitride process is performed regarding the surface of the tungsten layer to form the tungsten nitride layer. A subsequent heat treatment process is performed regarding the tungsten nitride layer to crystallize the tungsten nitride layer.
Patent KR-20020004017-A (KR)
Title: Saving method for mobile communication charge by Internet advertisement
Inventor: LEE DONG JIN
Filed: 2000-06-29
Abstract: PURPOSE: A method for reducing charge for a portable mobile communication terminal through an Internet advertisement is provided to enable a user to reduce charges for a portable communication terminal by enabling the user to display a window for an advertisement to a screen of a computer without the need for reaching a specific amount of money accumulated, and by reducing the charges as much as the amount of money accumulated at a payment day. CONSTITUTION: A user who became a member inputs a portable communication terminal number to a computer(S1). The user clicks an advertisement or displays a window for the advertisement to a screen of the computer(S2). In case that earnings of the advertisement is generated(S3), a relevant Internet advertisement service company stores an amount of money accumulated to the number inputted from the user(S4). The user fits a payment day of the portable communication terminal service company(S5). Member users are classified into portable communication terminal service companies(S6). An amount of money accumulated of the users relevant to the portable communication terminal number is summed up. After that, the amount of money accumulated is paid to the portable communication terminal service company(S7). The user reduces charges as much as the amount of money accumulated(S8).
Patent KR-20020002876-A (KR)
Title: Novel photoresist monomer, polymer thereof and photoresist composition containing it
Inventor: CHOI JAE HAK
IPC: C07D295/185
Filed: 2000-06-30
Abstract: PURPOSE: Provided are a photoresist monomer, polymer thereof and photoresist composition containing the same, thereby capable of producing a photoresist film having a high transparency in the far ultraviolet region, and being excellent in etching resistance and post-exposure delay stability. CONSTITUTION: The photoresist monomer is a dipropargyl acetamide derivative represented by formula 1 in which n is an integer of 1 to 5. The polymer containing the photoresist monomer of formula 1 further comprises a dipropargyl acetic ester derivative of formula 2, in which R3 is hydrogen or an acid labile protecting group, or a dipropargyl carbinol of formula 3. The photoresist composition comprises a photoresist polymer composed of the dipropargyl acetamide derivative of formula 1 and a monomer selected from dipropargyl acetic ester derivatives of formula 2 and dipropargyl carbinol of formula 3, an organic solvent, and a photo acid generator.
Patent KR-20010066905-A (KR)
Title: Semiconductor device
Inventor: TAKESHITA KANEYOSHI
IPC: H05K1/18
Filed: 2000-07-06
Abstract: PURPOSE: To provide a semiconductor device in which stabilization to a power- supply wire and a ground wire and the mixed loading of logic-analog-memory or the like by lamination of chips are made to coexist. CONSTITUTION: Semiconductor chips 3, 4, 5, 6 are mounted on both surfaces of an intermediate substrate 2 with a conductive section 7 respectively, and at least the two semiconductor chips in these semiconductor chips are conducted electrically through the conductive section 7 of the intermediate substrate 2 in the semiconductor device. At least, one of power-supply wires, ground wires and signal conductors for the semiconductor chips 3, 4, 5, 6 mounted on the intermediate substrate 2 is connected to the conductive section 7 of the intermediate substrate 2 through connecting sections 8 at mutually conducted two positions or more in the semiconductor chips. External connecting terminals 12 conducted with the conductive section 7 are installed onto one surface of the intermediate substrate 2.
Patent KR-20010029925-A (KR)
Title: Semiconductor memory device
Inventor: NOMURA HIDEMI
IPC: G11C16/28
Filed: 2000-07-12
Abstract: PURPOSE: A semiconductor storage device is provided to prevent an erroneous readout from being caused, even if the manufacturing process of a semiconductor storage device is varied and to enable obtaining stable readout characteristics of the device. CONSTITUTION: A pair of reference cells(77, 78) are formed in the same structure as that of one pair of memory cells(51, 52) and are arranged in the same direction on a semiconductor substrate. The source-drain directions of the cell(51) and the cell(77) (an even number of cells) are matched with each other, and the source-drain directions of the cell(52) and the cell(78) (an odd number of cells) coincide with each other. Provided is a selector circuit(79) for selecting the cells(77, 78), where when the cell(51) is selected, the cell(77) is selected and when the cell(52) is selected, the cell(78) is selected.
Patent KR-20020007818-A (KR)
Inventor: OH CHANG YEOL
IPC: E01D22/00
Filed: 2000-07-19
Abstract: PURPOSE: Steel bridge reinforcement equipment is provided to restore the deflection of a main girder and to increase load carrying capacity. CONSTITUTION: Steel bridge reinforcement equipment comprises: local gusset plates(30) fixed to both sides of a main girder(10) by a pair to reinforce the upper and lower sides of the main girder(10) and installed to both longitudinal ends of the main girder(10); stiffening anchorages(20) provided with an anchorage(21) partitioned to form through holes and through routes, and many fixtures covered by a protective cap(27) filled with grease on the longitudinal end of the anchorage(20), and fixed to the upper and lower sides of the main girder(10) reinforcing the local gusset plates(30) by a bolt; a PT(Post-Tensioning) cable(40) fixed to the fixture at the tensioned state through the through route of the anchorage(21); and a steel tube(50) protecting the stiffening anchorage(20) and the PT cable(40) on a phase modulation end.
Patent KR-20020010378-A (KR)
Title: Method for forming pad region of semiconductor device
Inventor: KIM SEON SUN
IPC: H01L21/60
Filed: 2000-07-29
Abstract: PURPOSE: A method for manufacturing a pad region of a semiconductor device is provided to prevent a peel-off phenomenon of a pad region, by minimizing the region for forming a spin-on-glass(SOG)-based insulation layer used for insulating an aluminium layer under the pad region. CONSTITUTION: The first interlayer dielectric, the first barrier metal layer(13) and a lower metal layer(14) are sequentially formed on a semiconductor substrate(11). The lower metal layer is patterned to be left as a type having a plurality of dispositions of a ring shape by performing a photolithography process regarding the lower metal layer. The second interlayer dielectric, the second barrier metal layer(18) and a pad metal layer(19) are sequentially formed on the resultant structure, and a patterning process is performed.
Patent KR-20000072122-A (KR)
Title: E-mail contents
Inventor: CHOI DOO
IPC: G06F17/00
Filed: 2000-08-01
Abstract: PURPOSE: An e-mail content is provided for decreasing the amount of unnecessary e-mails because it is not needed to send e-mail to all persons for sending a news or message. CONSTITUTION: When searching an e-mail in an internet site, it is moved to an e-mail main page of a user and other users using only an e-mail address without inputting an e-mail address and password. In the present invention, it is moved to an e-mail main page of a user and other users using only the e-mail address, and then the password is inputted if necessary, and the mail writing and reading modes are performed. The above method is directed to move to the e-mail main page of the user and other users using only the e-mail address, so that it is possible to read a message(or multimedia message) in the main page.
Patent KR-20020012950-A (KR)
Title: Novel compounds showing apoptosis-inhibitive effect purified from Isodon japonicus and a method for preparing the said compounds
Inventor: KIM JIN HUI
IPC: C07C215/78
Filed: 2000-08-09
Abstract: PURPOSE: Provided is a novel compound having an inhibiting effect on apoptosis, and purified from Isodon japonicus. Thus it is useful as an apoptosis inhibitor. CONSTITUTION: The novel compound of the formula(1) or (2) is manufactured by the steps of: extracting Isodon japonicus with methanol then followed by concentrating the extract under reduced pressure and extracting the concentrate with ethylacetate; concentrating the ethylacetate extract then dissolving the concentrate in a mixed solvent; performing chromatography therewith and concentrating active fraction; dissolving the concentrate in methanol then performing chromatography to collect active fractions; and isolating the active fractions by chromatography then followed by removing solvent and freeze-drying it.
Patent KR-20020014868-A (KR)
Title: Mobile phone dial-up connecting device using a usb
Inventor: KIM HYEONG BAE
IPC: H04M11/06
Filed: 2000-08-19
Abstract: PURPOSE: A mobile phone dial up access apparatus using a USB(Universal Serial Bus) is provided, which enables a high speed wireless data communication in an information terminal, and can perform a data communication continuously by charging a battery of a mobile communication apparatus, and can use an internet or a network in the information terminal. CONSTITUTION: USB differential signals(D+,D-) inputted from a USB port are converted into a USB packet of digital data type by a USB receiver(417). This USB packet is inputted to a DPLL(Digital Phase Locked Loop)(416), and the DPLL removes a USB control cord part from the USB packet and extracts only data part and inputs it to an Rx buffer(413). Data inputted to the Rx buffer is transferred to a UART interface(411) by an Rx write signal of an Rx register(415). Then, the UART interface adds a start bit and a stop bit to the data, and then converts it to an asynchronous signal, UART Tx signal, and then sends it to a mobile phone through a data communication port.