baber/WOPTO huggingface dataset:
Patent KR-20010096711-A (KR)
Title: Method for controlling kimchi chamber
Inventor: LEE YEONG GIL
IPC: F25D11/04
Filed: 2000-04-14
Abstract: PURPOSE: A method for controlling operation of kimchi storage device is provided to allow a user to select an additional fermenting function during storage in accordance with the user's taste and enjoy kimchi with right taste. CONSTITUTION: A method comprises a step(S20) of selecting the type of kimchi to be stored in a kimchi storage device; a step(S22) of selecting fermentation time period appropriate for the selected type of kimchi; a step(S24) of determining temperature for fermenting kimchi over the selected fermentation time period; a step(S26) of fermenting kimchi at the determined fermentation temperature for the selected time period; a step(S28) of storing kimchi after elapse of the fermentation time period; and a step(S30) of performing an additional fermentation in the step(S28) in accordance with the user's selection.
Patent KR-20010014752-A (KR)
Inventor: SUZUKI HIDEKAZU
IPC: H01L21/285
Filed: 2000-04-18
Abstract: PURPOSE: To improve workability of a device and to contribute to improving productivity without necessity of resetting a target surface to its initial state by reducing formation of modules on the target surface with a sputter formation device, or the like, provided with an oscillating magnetron magnetic circuit behind the target. CONSTITUTION: A target 20 opposite to a substrate 42 and the magnetron magnetic circuit 24 installed on the back of the target are provided, the magnetron magnetic circuit is oscillated in one direction, and the sputter film is formed on the substrate surface. A control circuit 272, which controls an oscillation speed of the magnetron magnetic circuit, is provided so that a time for sputter etching for each part of the target surface may be continuously at least one second by a plasma area 7 having ability of sputter formed on the target surface with the magnetron magnetic circuit.
Patent KR-20010097014-A (KR)
Inventor: LEE BONG SANG
IPC: D06F23/06
Filed: 2000-04-19
Abstract: 본 발명은 케이스의 전방으로 돌출되는 부분을 제거하여 세탁물 인출을 보다 용이하게 하고, 세탁조가 세워지는 제품과 각 용량대 별로 케이스의 공용화가 가능하기 때문에 제조비용을 줄일 수 있으며, 제조가 간편하고 부품 조립이 용이한 기울어진 세탁기의 케이스를 제공하기 위한 것이다. 
     이러한 기울어진 세탁기의 케이스는 세탁을 위한 세탁수가 저장되는 저수조와, 상기 저수조 내에 회전 가능하게 설치된 세탁조와, 상기 세탁조를 회전시키기 위한 구동부와, 상기 저수조의 둘레에 감싸지고 구동원으로부터 사용자를 보호하는 케이스와, 상기 케이스의 상단을 덮는 덮개와, 상기 저수조를 상기 케이스와의 사이에 지지시키는 댐퍼를 포함하여 구성되고, 상기 저수조를 일정각도로 기울여 상기 케이스에 배치하고 상기 저수조의 기울어짐에 의하여 상기 저수조와 케이스가 간섭되기 않도록 케이스 일측에 형성되는 개구부와, 상기 개구를 덮음과 동시에 상기 기울어진 저수조를 간섭하지 않도록 볼록부가 형성되는 백커버를 구비하여 이루어진다.
Patent KR-20010097765-A (KR)
Inventor: CHOI KWI SEOK
IPC: G06F3/0354
Filed: 2000-04-26
Abstract: 본 발명은 데스크탑 컴퓨터, 노트북 등에서 사용할 경우 필기체 입력, 도면 작성, 그림 입력과 같은 작업을 수행할 때 종래의 마우스와 달리 보다 자연스럽게 입력을 처리할 수 있는 광을 이용한 좌표 입력 장치 및 좌표 인식 방법에 관한 것으로서, 이러한 목적은 광원과 온/오프 스위치 (13)와 적어도 하나의 누름 스위치 (14)를 구비하고,  지정하고자 하는 영역에 광을 방사하는 광 발생 장치와  광 발생 장치로부터 방사된 광이 통과하고, 미리 정해진 일정거리만큼 이격된 곳에 위치하는 적어도 2 개의 광통과부와  광통과부를 통과된 빛을 분할하고, 상기 광통과부에 적어도 하나씩 구비되는 광 분할판 및 광 분할판에 의해 분할된 각각의 광량을 감지하고 이를 전류 또는 전압으로 변환해 주는 복수 개의 광센서를 구비함으로써, 광 발생 장치에서 방사된 광 위치를 인식하는 것을 특징으로 하는 광을 이용한 좌표 입력 시스템에 의해서 달성된다.
Patent KR-20010103208-A (KR)
Inventor: JUNG YEONG HUN
IPC: B21C23/00
Filed: 2000-05-06
Abstract: 본 발명은 연속 전단변형장치에 관한 것으로서, 전단변형이 일어나는 금형로의 굴곡부에서 소재하부와의 틈이 발생하여 소재의 전단변형량이 불균일하고 불충분한 문제점을 해결하기 위해, 소재가 회전식 안내공급장치로부터 금형로로 들어가는 위치에서 전단변형이 일어나도록, 상기 회전식 안내공급장치와 상기 금형로의 입구가 협력하여 굴곡부를 구성하는 것을 특징으로 하는 연속 전단변형장치를 제공한다. 또한, 상기한 구성에 더하여 굴곡부를 제외한 금형로 부분에서의 마찰을 감소시켜 작은 힘으로 효과적으로 전단변형을 행하기 위한 추가적인 구성들이 제공된다. 이러한 구성으로 되는 본 발명은 전단변형된 소재를 연속적이고 효과적으로 대량생산하는데 사용될 수 있다.
Patent KR-20010106551-A (KR)
Title: A chatting service providing method in a computer network
Inventor: LEE JAE SEOK
IPC: G06F17/00
Filed: 2000-05-22
Abstract: A method is disclosed for recovering surface-ready silicon carbide substrates from heteroepitaxial structures of Group III nitrides on silicon carbide substrates. The method comprises subjecting a Group III nitride epitaxial layer on a silicon carbide substrate to a stress that sufficiently increases the number of dislocations in the epitaxial layer to make the epitaxial layer subject to attack and dissolution in a mineral acid, but that otherwise does not affect the silicon carbide substrate, and threafter contacting the epitaxial layer with a mineral acid to remove the Group III nitride while leaving the silicon carbide substrate unaffected.
Patent KR-20010106633-A (KR)
Inventor: JO YONG DU
Filed: 2000-05-22
Abstract: 본 발명은 인터넷을 통한 신용카드 결제 시스템 및 방법에 관한 것으로서, 인터넷을 통한 전자상거래 뿐만 아니라 실생활에서 발생하는 각종 상거래에 대하여 물품구매 방식, 판매자, 구매자의 제약없이 인터넷 상에서 신용카드를 이용하여 대금을 결제할 수 있는 시스템과 방법을 제공한다. 본 발명에 따르면, 신용카드 결제 시스템은 인터넷을 통하여 결제서버에 연결되는 다수의 구매자 컴퓨터들과, 각각 전용선을 통하여 결제서버에 연결되는 다수의 카드사 전산시스템들과, 각각 전용선 또는 인터넷을 통하여 결제서버에 연결되는 다수의 판매자 컴퓨터들을 포함하며, 특정 구매자와 특정 판매자 사이에서 매출이 발생한 후, 특정 구매자의 컴퓨터가 결제서버에 접속하여 카드정보와 결제내역과 대표가맹점번호를 전송하면, 결제서버에서 대표가맹점번호를 인식하여 해당 판매자의 컴퓨터를 선택하고 결제내역을 확인하며, 결제서버에서 카드정보를 인식하여 해당 카드사의 전산시스템을 선택하고 거래승인과 매출표매입을 신청하며, 해당 카드사 전산시스템에서 승인번호를 통지하면 결제서버에서 승인번호를 수신하여 특정 구매자 컴퓨터에 결제결과를 통보하는 것을 특징으로 한다.
Patent KR-20010106880-A (KR)
Inventor: SEO YOUNG WOO
IPC: G06F17/30
Filed: 2000-05-23
Abstract: 본 발명은 공동구매를 통하여 네트워크 공동구매 서비스를 구축하는 방법에 관한 것으로서 인터넷을 통한 네트워크 구축의 핵심으로의 전자상거래를 통하여 온 라인,오프라인,개인의 공동구매 참여를 활성화 시키는,즉다수의공동구매 네트워크를 구축하는 방법을 제공하는 것을 그 목적으로한다. 
     이러한 목적을 달성하기 위한 본 발명은 기본적으로 온/오프라인의 물품판매자들에게서 공동구매품목을 입력창을 통해서 신청을 받아 공동구매에 이를 검토하여 반영하고 공급자에게 물품공급에 대한 수량과 가격에 대한 입력을 받아 구매자에게 제공을 하는 서비스 형태를 지향한다. 
     따라서 이와같이 쌍방향 네트워크 구성을 통하여 총체적인 공동구매마켓을 구축하는것을 그목적으로 한다. 
     또한 본 발명에 따르면 공동구매 검색포탈 사이트를 구축함으로써 각각의 물품을 등록시키는 사이트에서 행하여지고있는 공동구매에 대한 데이터를 인터넷 사용자들이 검색로봇과 데이타 베이스연동을통한 실시간으로 검색함으로써 다양한 정보를 제공 받는 1단계;본 발명 사이트에 각각의 물품등록을 하는 판매자 사이트에 원-패스 아이디(one-pass id)를 구축하고 회원 데이타베이스를 통합함으로써 물품을 구매하려는 상기 인터넷 사용자 에게 판매자 사이트에서 쉽게 물품을 구입할 수 있는 2단계; 
     상기1,2단계를 통해 온/오프라인의 물품판매사이트 들이 발명사이트의 물품입력창을 통하여 물품정보를 입력시키고 이때에는 각종 데이타 베이스(상품,회원)를 통합하여 네트워크 공동구매서비스를 구현하는 방법이 제공된다.
Patent KR-20000054453-A (KR)
Inventor: HAN JEONG HUN
IPC: H04L12/54
Filed: 2000-06-07
Abstract: PURPOSE: A method for homologizing numbers of mail servers and clients by one-to-n, is provided to use resources of a computer system by making one mail server connect to many(n-number) mail clients. CONSTITUTION: A method for homologizing numbers of mail servers and clients by one-to-n, comprises the steps as follows. A mail server stores a socket descriptor in a buffer, when mail clients connects to the mail server by transmission control protocol(TCP) connection. The mail server use functions of select and FCNTL among socket functions to communicate with many(n-number) mail clients in real time with an asynchronous mode. The mail server stores and manages an n-number state code to manage present states and requests of respective mail clients by using the buffer. And, the mail server checks errors(for example, disconnection) of respective mail clients periodically, as one client should not affect the other n-1 clients in real-time communication. When an error is generated, a corresponding client is closed.
Patent KR-20000054652-A (KR)
Title: Water sofa
Inventor: PARK JONG PIL
IPC: A47C21/04
Filed: 2000-06-16
Abstract: PURPOSE: A water sofa is provided which makes the user comfortable and warm by installing a heating board in the lower part. CONSTITUTION: A water sofa is characterized by being comprised of: a cushion having water inside; a case(20) for laying a water cushion and having a board(90) to support a water cushion; a back sheet(30) having water inside; an armrest sheet having water inside(30); and a heating board(70) installed between the water cushion(10) and a board(90).
Patent KR-20000054690-A (KR)
Inventor: CHOI JONG IN
IPC: H01Q1/32
Filed: 2000-06-19
Abstract: PURPOSE: A structure of an antenna attached to a rear glass window of a vehicle is provided to improve the performance of an antenna by attaching a predetermined compensation circuit for various systems additionally installed in the vehicle to compensate a matching circuit and a length of an antenna element. CONSTITUTION: In an antenna structure, a dielectric substrate(100) for performing an antenna function is attached to a rear glass window and includes a compensation circuit(106) having a loading part(108) for minimizing a length of an antenna element and a matching part(109) for matching an input impedance of 75ohm of a dipole element, and a feeder distribution center(104) for connecting an input terminal of a vehicle receiver to the dielectric substrate via a connecting part(102) and supplying power. The feeder distribution center includes a microstrip substrate having a permittivity of 4.7(epsilon) and a thickness of 0.3mm and a dipole element formed of a polyester based copper clad laminate having a permittivity of 3.8(epsilon) and a thickness of 0.15mm.
Patent KR-20000063362-A (KR)
Inventor: KO JAE MUN
IPC: C01B35/02
Filed: 2000-06-29
Abstract: PURPOSE: A process for preparing boron powder by compression molding a mixture of boron oxide powder and magnesium powder in a proper size and reacting in a reactor that is under inactive atmosphere is provided which can produce high purity amorphous boron carbide powder at low cost. CONSTITUTION: A mixture of boron oxide powder having a size smaller than 10 mesh and magnesium powder having a size smaller than 50 mesh and carbon powder in a molar in a molar ratio of 1.0 : 3.0 to 1.0 : 4.0 is reacted under vacuum or inactive atmosphere to give boron powder. The process has advantages of synthesizing economically within a short time and obtaining high purity boron carbide powder.
Patent KR-20020004428-A (KR)
Title: structure of switched reluctance motor and control board in vacuum cleaner
Inventor: KIM TAE U
IPC: A47L9/28
Filed: 2000-07-05
Abstract: PURPOSE: Structure for installing a switched reluctance motor and a controller substrate is provided to reduce power consumption by effectively cooling a controller substrate. CONSTITUTION: An inlet(111a) and an outlet(111b) are formed in a housing(111) of a switched reluctance motor(110). An air suction port(120a) and an air discharge port(120b) are formed in a cover(120) surrounding the switched reluctance motor. A controller substrate(130) is installed at the air discharge port of the cover, symmetrically facing the direction of airflow. The controller substrate is installed on the cover to efficiently cool a relay, a condenser(132) and a bipolar transistor(133) by the discharge air of the switched reluctance motor. The inside of the switched reluctance motor is cooled by the air sucked via a fan(115), and the cooling air is discharged through the air discharge port of the cover. By cooling the heat emitting elements of the controller substrate are cooled by the discharge air, cooling efficiency is improved even without a separate cooling device.
Patent KR-20020011518-A (KR)
Title: Method for Controlling the Cooling Water Temperature during Mixing
Inventor: MUN DONG SEOK
IPC: G05D23/22
Filed: 2000-08-02
Abstract: PURPOSE: A temperature control method of cooling water during mixing is provided to improve the quality of mixed products by controlling the temperature of cooling water in accordance with the respective mixing steps or requirements during mixing processes using a tire and a mixer. CONSTITUTION: A cooling water temperature controller(9) is connected to a PLC managing the operations of a mixer to be communicated. A computer(11) can communicate with the PLC(10) to control the PLC, and is suitably programmed. In addition, the computer(11) is programmed so that process factors such as material specifications, rotor speeds needed for respective steps, the operation, temperature, time and energy of the mixer and etc. can be input, and the changes of the factors during mixing can be identified through separate output values or a graph.
Patent KR-20020011702-A (KR)
Title: Structure signpost of magnetism ascent
Inventor: KIM CHANG SOO
IPC: E01F9/06
Filed: 2000-08-03
Abstract: PURPOSE: A magnetic floating road stud structure is provided to prevent damage by live load of a vehicle, not to be buried in asphalt concrete, to prevent a loss of magnetism caused by a residue separated from asphalt concrete or rainwater, etc. and to prevent a traffic accident by clearing up a traffic lane by diffused reflection of a road stud body emitting light. CONSTITUTION: In a road stud fixture composed of a retreated part(107) formed for interposing a road stud body(101), a rugged part(108), a coupling bar(109), a holding cup(111) and a coupling bar body(112) unified with a coupler(110), an insertion groove(113) for interposing the square bar coupler(110) formed on both ends of the coupling bar(109), and a supporter(116) containing a coupling groove(114) and a stop projection(115), a magnetic floating road stud structure(100) comprises: an outer holding cup(111) unified with a magnet fitting groove(118a) formed on the middle of the retreated part(107) of the holding cup(111), an ending groove(119) and a male spiral(120); an inner holding cup(122) inserted to the outer holding cup(111) and unified with a retreated part(121) for interposing the road stud body(101), a magnet fitting groove formed on the middle of the retreated part(121) and a through hole bored in the smaller diameter than the magnet fitting groove; magnets(117) fitting to the inner base plane of the inner holding cup(122) and the outer holding cup(111); an adhesive for fixing the magnet(117a) to the magnet fitting groove(118a); rubber bellows(124) for linking the inner holding cup(122) and the outer holding cup(111) mutually; and an upper cover(125) screwed down with a male spiral(120) formed on the outer circumference of the retreated part(107).
Patent KR-20020012040-A (KR)
Title: Metallocene compounds and methods for preparation of polymers using them
Inventor: CHOI GI HO
IPC: C07F17/00
Filed: 2000-08-05
Abstract: PURPOSE: Provided are a metallocene compound used as a polymerization catalyst and a polymerization for producing syndiotactic polystyrene having uniform distribution of molecular weight and high stereoregularity by using the metallocene compound. CONSTITUTION: The metallocene compound is represented by the formula 1:£MYSnX3-n|L, wherein n is 1, 2, or 3, M is a transition metal of 3-10 group in a periodic table, L is a ligand having a cycloalkadienyl skeleton, and YSn is an alcoholamine compound having a solid-limiting substituent, and X is halogen atom or C1-C10 alkyl, cycloalkyl, alkylsilyl, or C6-C20 aryl, arylalkyl, alkylaryl. And the polymerization is performed by using the metallocene compound as a main catalyst and an aluminoxane compound or an organoaluminium compound as a co-catalyst at a temperature of -50 to 200deg.C under the atmospheric pressure of 1.0-3000.
Patent KR-20020012922-A (KR)
Title: Method for Fabricating Isolation of Semiconductor Device
Inventor: KIM HUI JIN
IPC: H01L21/76
Filed: 2000-08-09
Abstract: PURPOSE: A method for isolating a semiconductor device is provided to improve an insulation characteristic and to prevent a defect of an upper pattern, by removing the defect to prevent a void in an isolation region. CONSTITUTION: The first insulation layer is deposited on a semiconductor substrate(21). A predetermined region of the first insulation layer is removed, and the semiconductor substrate under the first insulation layer is removed by a predetermined depth to form a plurality of trenches(23). The second insulation layer is deposited on the semiconductor substrate including the trenches by a high density plasma deposition process. The second insulation layer is selectively removed to be left only inside the trench. A large quantity of nitrogen gas is sprayed to the semiconductor substrate while argon gas is sputtered to the semiconductor substrate in a horizontal direction, so that particles generated in an initial state of the second insulation layer under unstable surroundings and attached to the semiconductor substrate are eliminated.
Patent KR-20020014866-A (KR)
Title: Cable for sensing temperature and method thereof
Inventor: BAEK DONG HYUN
IPC: H01B7/32
Filed: 2000-08-19
Abstract: PURPOSE: A temperature sensing cable and its preparation method are provided, which senses and checks whether a body to be checked is short or not, to prevent a fire and to maintain the body to be checked more systematically. CONSTITUTION: The temperature sensing cable comprises a plurality of conductors(10) which is to be short according to the temperature change and transmits the fire signal if it is determined to be a short circuit and has a diameter of 0.8-0.9 mm; thermoplastic resin insulators(20) which wrap the conductors(10) in a thickness of 0.2-0.3 mm, and are melt at a temperature of 70-120 deg.C to make the conductors be short; a polyester tape(30) which twists and combines the insulators(20) in a thickness of 0.015 mm; and poly(vinyl chloride)(40) which jackets the conductors(10) the insulators(20) in a thickness of 0.5-1.0 mm. Preferably the conductors(10) comprises 70-90 g/m3 of Zn; 0.7-1.0 wt% of C; and 0.5-0.7 wt% of Mn, and has a tensile strength of 2,300-2,500 Mpa and an elongation of 2-3 %.
Patent KR-20020015239-A (KR)
Title: Liquid Crystal Display
Inventor: KIM GYEONG SEOP
IPC: G02F1/1333
Filed: 2000-08-21
Abstract: PURPOSE: An LCD(Liquid Crystal Display) is provided to prevent optical sheets from being damaged or corrugated by a panel guide. CONSTITUTION: An LCD consists of a first silicon pad(54) mounted between a backlight assembly and a panel guide(42), a second silicon pad(56A) installed between a main frame(44) and a PCB(Printed Circuit Board,38), and a third silicon pad(56B) set between the PCB and a bottom case(40). The backlight assembly includes a lamp(50), a lamp housing(48), a light guide plate(36) and optical sheets(34). The backlight assembly is fixed by the main frame. The first silicon pad supports the panel guide from the lower part and keeps a gap between the optical sheets and the panel guide regular. The first silicon pad cuts off heat and foreign material to an LCD panel(32) and the optical sheets from the lamp. The second silicon pad keeps a gap between the main frame and the PCB while the third silicon pad keeps a gap between the PCB and the bottom case. The first to third silicon pads cover the LCD module in rectangular band type. Therefore, the optical sheets are prevented from damage and corrugation.
Patent KR-20020022173-A (KR)
Title: Roof rack attaching structure for automobiles
Inventor: LEE JAE HYEOK
IPC: B60J7/185
Filed: 2000-09-19
Abstract: PURPOSE: Assembling structure of a roof rack for a vehicle is provided to improve appearance by preventing the roof from curving with mounting a bracket in the lower part of the roof, and to prevent rainwater from being infiltrated and breakage by increasing intensity against dynamic load. CONSTITUTION: A roof rack(30) of a vehicle is composed of a stay(31) penetrated by an assembling bolt(40), and fixed in a roof; a connecting bar inserted to the stay; and a cover member(35) assembled with the upper part of the stay. The roof rack is combined with the roof by inserting the assembling bolt to a through hole(21) and by assembling with a nut(50). A bracket(60) is installed in the lower part of a roof panel(20), and fixed in a roof rail(70) mounted in the roof panel. The stay is combined with the roof panel. The roof is prevented from being curved, and unfastened with supporting the assembling hole part by the bracket. Leakage is prevented with increasing strength against load in mounting the roof rack in the roof.
Patent KR-20020022504-A (KR)
Title: System and method for 3D animation authoring with motion control, facial animation, lip synchronizing and lip synchronized voice
Inventor: PARK JAE YONG
IPC: G06T13/40
Filed: 2000-09-20
Abstract: PURPOSE: A system and a method for producing three-dimensional motion pictures by synthesizing the motions, facial expression and lip-synced voice of a three-dimensional character are provided to automatically process the motion of the character according to output voice. CONSTITUTION: A motion picture producing system includes a memory system, a voice information converting engine(310), a lip-sync producing engine(320), an animation generation engine(330), and a synthesizing engine(350). The memory system stores information about the facial expression, lip's shape and motion of a character. The voice information conversion engine receives text information and/or voice information previously recorded from a user and converts the information into corresponding voice information. The lip-sync producing engine extracts phoneme information from the voice information and generates a facial shape or lip's shape of the character, corresponding to extracted phoneme information. The animation producing engine receives motion information and produces a character's motion corresponding to the motion information. The synthesizing engine synthesizes the character's shapes generated by the lip-sync producing engine and the animation producing engine, and outputs the shapes on a screen.
Patent KR-20020024462-A (KR)
Title: Planar type fluorescent lamp
Inventor: MUN JEONG MIN
IPC: H01J61/30
Filed: 2000-09-25
Abstract: PURPOSE: A flat plate type fluorescent lamp is provided to obtain a light source having a uniform thickness regardless of an area of a light emitting surface with wide light projection angle characteristics, wherein the high luminance is provided by minimizing the difference of brightness between a light emitting area and a light non-emitting area. CONSTITUTION: A flat plate type fluorescent lamp includes a first glass substrate(100), a second glass substrate(100a) facing the first glass substrate, a discharge channel(101) having a round light emitting surface facing the first glass substrate, electrodes inserted at both ends of the discharge channel, discharging rare gas injected into the discharge channel by joining and sealing the first and second glass substrates and a fluorescent material doped on an inner wall of the discharge channel.
Patent KR-20010007806-A (KR)
Title: automatic a vending machine and method
Inventor: PARK DONG OK
IPC: G07F13/06
Filed: 2000-09-25
Abstract: PURPOSE: A vending machine checking physical health of a user automatically and serving herb tea according to the health condition is provided. CONSTITUTION: The vending machine comprises a monitor(100) showing a using method and health information of the user, a health examination mean including an iris shooting part(70) and a pulse detecting part(50) installed at a main body of the machine for checking physical condition of a user, a controller(30) judging the health condition by using the data from the examination mean and outputting signals selecting various herbal materials and the content to improve the state, various herbs storing containers (200,200a,200n) with herb discharge ports for keeping powdered herbal materials, and an automatic control part(110) controlling the discharge amount of the stored herbs according to the signals from the controller, which is placed around the herb discharge ports. The discharged herbs are mixed with water, boiled and then provided into a cup or packed. A desired herb tea can be selected by a user without the examination process.
Patent KR-20020025473-A (KR)
Title: Apparatus for compensating frequency offset and method thereof in orthogonal frequency division multiplexing system
Inventor: HAN DONG SEOK
IPC: H04L27/26
Filed: 2000-09-29
Abstract: PURPOSE: A frequency offset compensating apparatus and of an orthogonal frequency division multiplexing system and a method thereof are provided to reduce a time and a compensating process required to acquire a frequency synchronization. CONSTITUTION: A correlator(413) Fourier-transforms receiving data to delay a demodulated symbol by a set period, and correlates the demodulated symbol with the delayed symbol. A pilot location detector(415) compares the correlation value with a set pilot location value and samples a correlation value corresponding to a pilot location. A frequency offset compensator(423) estimates the sampled correlation value as a frequency offset when the sampled correlation value becomes a set maximum value. The frequency offset compensator(423) transits a phase of pilot data by the estimated frequency offset.