baber/WOPTO huggingface dataset:
Patent KR-20000035152-A (KR)
Inventor: WAR WIKOLIN ALLEN
IPC: H04J11/00
Filed: 1999-11-02
Abstract: PURPOSE: A digital audio broadcasting system with local information is provided to comprise and transmit a multitude of local information within one broadcasting channel. CONSTITUTION: A digital audio broadcasting system with local information comprises a multitude of local content source information stream, a multitude of local broadcasting identification code, a format module, and a transmitter. The local broadcasting identification codes are related to the local content source information streams, respectively. The format module inserts the local broadcasting identification codes into the local content source information streams, respectively. The transmitter transmits a data packet. The data packet comprises one of the local broadcasting identification codes and a part of one stream of the local content source information streams.
Patent KR-20010045641-A (KR)
Inventor: LEE SIN DU
IPC: G02F1/13363
Filed: 1999-11-05
Abstract: PURPOSE: A reflective antiferroelectric LCD(liquid crystal display) is to use a polarizing plate and a phase delaying plate to provide a high iso-contrast ratio and luminance, a wide viewing angle and a fast responding characteristic. CONSTITUTION: A metal electrode(20) is formed on a strip of a first substrate(10). A transparent electrode(40) is formed on a strip of a second substrate(30) orthogonal to the metal electrode. An alignment film(50) is coated on the second substrate. Antiferroelectric liquid crystal is injected between the first and second substrates. A phase delaying plate(70) is formed on the second substrate on which the electrode is not formed. A polarizing plate(80) is formed on the phase delaying plate. Each molecule of the liquid crystal has an inclined angle between 20 to 60. A multiplying value of a thickness of the antiferroelectric liquid crystal and an optical anisotropy is between one eights of a wavelength and a half of the wavelength.
Patent KR-20010045877-A (KR)
Inventor: KIM CHA HWAN
IPC: B60T8/34
Filed: 1999-11-09
Abstract: PURPOSE: A brake fluid pressure control device prevents durability from falling by unneeded accumulating operation to a medium pressure accumulator by installing a switching part indirectly detecting brake fluid pressure in the medium pressure accumulator. CONSTITUTION: A brake fluid pressure control device includes a switching part(22), a control part(23), a motor driving part(25) and a solenoid valve driving part(24). The switching part(22) is switched by brake fluid pressure of a medium pressure accumulator. The control part(23) determines that the starting condition of accumulating operation to the medium pressure accumulator is satisfied and controls operation accumulating a certain amount of brake fluid to the medium pressure accumulator when the brake fluid pressure of the medium pressure accumulator reaches preset inferior limit so that the switching part(22) outputs a certain signal. The motor driving part(25) drives a motor installed on a hydraulic pressure circuit to pump brake fluid in the hydraulic pressure circuit to accumulate pressure in the medium pressure accumulator. The solenoid valve driving part(24) opens or closes a solenoid valve installed on a fluid pressure circuit to guide the brake fluid pumped by the driving of the motor to the medium pressure accumulator via the hydraulic pressure circuit.
Patent KR-20010046221-A (KR)
Inventor: BAE YEONG IL
IPC: H01L21/205
Filed: 1999-11-11
Abstract: PURPOSE: An apparatus for cooling a flange of a horizontal furnace for a low pressure chemical vapor deposition(LPCVD) process is provided to maintain uniform pressure inside a furnace and to stabilize a process, by prevent a sealing member inserted to a contact portion between the flange and a reaction pipe from being degraded by high heat. CONSTITUTION: A reaction pipe(10) of a cylindrical type is horizontally installed. Thermal wires(22) for applying heat to the circumference of the reaction pipe are built in a heater(20). A flange(30) and a cap(40) are coupled to front and rear portions of the reaction pipe, capable of being sealed. The first sealing member(50) is inserted into a contact portion between the flange and the cap. The second sealing member(60) is inserted into a common contact portion among the flange, the reaction pipe and the heater. The first coolant pipe(72) is buried along the circumference of the outer portion of the flange, adjacent to the first sealing member. The second coolant pipe(74) is buried along the circumference of the inner portion of the flange, adjacent to the second sealing member.
Patent KR-20010047245-A (KR)
Inventor: KIM CHANG HWA
IPC: H04L27/08
Filed: 1999-11-18
Abstract: PURPOSE: A circuit for controlling modulation index of amplitude shift keying signal is provided to simplify the construction with having equivalent function as conventional multiplier and to manufacture the circuit at a low cost. CONSTITUTION: An amplitude adjusting part(50) has a resistor and a MOSFET(Q2) parallel with each other and connected between the first output terminal and power supply voltage(Vcc). Digital data is applied to the inverter logic connected to the gate terminal of the MOSFET(Q2). The voltage level on the first output terminal is maintained at the power supply voltage or dropped by turning on or off the MOSFET. An RF amplfying and modulating part(60) has an inductor(L2) and MOSFET(Q1) serially between the first output terminal of the amplitude adjusting part and ground. The RF amplfying and modulating part amplifies, modulates the carrier applied to the gate terminal of the MOSFET(Q1) and converts the modulated signal to desired voltage using LC resonance circuit to output it.
Patent KR-20010048892-A (KR)
Inventor: PARK CHANG SIK
IPC: C08K3/00
Filed: 1999-11-30
Abstract: PURPOSE: Provided is a process for preparing the natural foam rubber capable of improving the quality of final rubber products by uniformly dispersing loess and charcoal in the rubber. Therefore, the obtained rubber has a good elasticity, a flexibility and a strength, emits far-infrared ray, and can be used for bedclothes such as a pillow, a mat, a cushion or the like. CONSTITUTION: The natural foam rubber is prepared by a process consisting of: mixing 100 parts by weight of natural rubber, 10 to 80 parts by weight of one or more selected from loess and charcoal and a suitable amount of a plasticizer, a foaming agent and a vulcanizing agent; aging the mixture at ordinary temperature for more than 24 hr; and foaming and vulcanizing it at 120 to 150deg.C in a mold.
Patent KR-20010053707-A (KR)
Inventor: KIM BYEONG SEON
IPC: H01L21/20
Filed: 1999-12-01
Abstract: PURPOSE: A method for manufacturing an SOI(Silicon On Insulator) wafer is provided to reduce a junction capacitance by forming a BOX(Buried OXide) layer for separating unit devices from a silicon substrate. CONSTITUTION: The first silicon layer(14) is prepared. A Si1-x Gex is formed on the first silicon layer(14). A hydrogen is implanted into the Si1-x Gex in order to form a hydrogen implanting region. The second silicon layer(10) is prepared. A BOX layer(12) is formed on the second silicon layer. The first and the second layers(14,10) are aligned to face the Si1-x Gex and the BOX layer(12) to each other. The first and the second layers(14,10) are bonded to each other. A part of the first silicon layer(14) without the hydrogen is removed therefrom.
Patent KR-20010053930-A (KR)
Inventor: LEE HUI YEON
IPC: G06F17/30
Filed: 1999-12-02
Abstract: PURPOSE: The method for updating the multimedia feature information and the structure of the multimedia feature information are provided to update a feature weight and reliability adapted to the changed multimedia search environment, to grant the weight fitted to a characteristic of the multimedia even though the frequency of using feedback is few, and to enable the multimedia search using the weight to perform the multimedia data-centered search via the variable learning characteristic of the weight by new reliability. CONSTITUTION: When a reference object is inputted, the multimedia search is performed by using the existing weight(301). A relevance feedback is gotten from a user with the result of the multimedia search(302). The performance and feedback frequency concerned to the current search result are calculated by using over one feedback gotten from the user(303). The reliability concerned to the current weight is updated by considering the calculated search performance(304). A relative weight is calculated by using the current inputted feedback(305). The existing weight is updated by using the calculated weight and updated reliability(306).
Patent KR-20010054896-A (KR)
Inventor: PARK JUN HYEON
IPC: G06Q40/04
Filed: 1999-12-08
Abstract: PURPOSE: The device and method for reserving and ordering in the cyber stock trading system is provided to perform a sell/buy order according to the order price/quantity data of the relevant stock name which the user presets, when the TRV(Total Residual Volume) or TV/PD(Trade Volume/Previous Day) of the interesting or holding stocks of each user are approached to the preset condition. CONSTITUTION: Many client PCs(100(1)-100(N)) display a reserve order window on a screen when the user chooses the reserve order among various menus, and outputs to a main server(300) the confirm-order/auto-order selection, order condition of the TRV or TV/PD, account number, user ID, password, stock code, order quantity, order price, and the reserve order/order condition data which the user is inputted. Also, when the reserve-ordered stock name is approached to the condition which the user presets and the user selects the confirm-order, many client PCs display the confirm-order data via a confirm-order window and accomplishes the stock trading by outputting the confirm-order selection signal to the main server. The network communications net(200) connects many client PCs with communication circuits of the main server and accomplishes the data communication. The network communications net connects the main server with the computer system of the stock exchange(400) and accomplishes the real-time stock trading. The main server outputs the price data to many client PCs and compares the order-condition data of the user with the price data of the computer system of the stock exchange. And then, when the comparison result approaches to the order-condition which the user presets, if the user selects the confirm-order, the confirm-order data is output to the relevant client PC. When the user inputs the confirm-order selection signal, the computer system of the stock exchange performs the stock trading right now. If the user selects the auto-order, the relevant stock trading is right performed according to the reserve order data. Also, the main server updates and stores the holding stock data of every user after finishing the trading. The computer system of the stock exchange processes the trading of many users, and provides the price data in real-time to the main server of each security corporation.
Patent KR-20010063221-A (KR)
Title: Audio amplifier
Inventor: LEE CHEOL U
IPC: H03G5/00
Filed: 1999-12-22
Abstract: PURPOSE: An audio amplifier is provided to reduce the volume loss by a noise when a volume adjuster of the audio is installed in the position separated from the audio amplifier. CONSTITUTION: An audio amplifier comprises a volume adjuster(10), a volume adjustment signal processing part(20), a microprocessor unit(30), a pre-amplifier(40) and a power amplifier(50). The volume adjuster(10) generates a volume adjustment signal according to operation of a user. The volume adjustment signal processing part(20) converts the volume adjustment signal input from the volume adjuster(10) to a digital signal and stores the digital signal to a buffer(24). The microprocessor unit(30) reads the digitalized volume adjustment signal at predetermined time intervals, converts the signal to the analog signal, and calculates digital-analog converting gain. The pre-amplifier(40) amplifies the conversion gain and voltage of the audio signal, and outputs the amplified signal to the power amplifier(50). The power amplifier(50) converts the signal input from the pre-amplifier(40) to the driving signal of a speaker.
Patent KR-20010057849-A (KR)
Title: Microwave filter
Inventor: BENDICKAIRINA
IPC: H01P1/203
Filed: 1999-12-23
Abstract: PURPOSE: A microwave filter is provided to reduce the size and to guarantee the excellent transmission characteristics. CONSTITUTION: The microwave filter comprises a substrate(1), a ground layer(2), two feed lines(3), a plurality of oscillators(4), two connection pads(5), and a foil(6). The substrate is made of LaAlO3 and MgO. The ground layer used to strengthen the ground between the filter and the filter package is made of superconductor such as YBa2Cu3O7-δ. The foil is formed on the ground layer. The feed line and the oscillators are made of superconductor. The connection pads are made by forming the foil on the feed lines made of superconductor, YBa2Cu3O7-δ, to connect the SMA connector with the microwave connector component. The oscillators have meander line shape and the number of section of the meander line exceeds three. Each meander line oscillator is symmetrically arranged with respect to the adjacent oscillator. The symmetric arrangement produces two supplementary poles at both terminals of the pass bandwidth such as pseudo-elliptic method. The center frequency and the pole position of the pass bandwidth are determined by the section length of each meander line of each oscillator and the space between sections.
Patent KR-20010058206-A (KR)
Inventor: KIM JEONG SU
IPC: H01L21/336
Filed: 1999-12-24
Abstract: PURPOSE: A method for forming a gate electrode of a CMOS transistor is provided to prevent a residue of a polysilicon for gate electrode from a PMOS region when forming a gate electrode of a CMOS transistor. CONSTITUTION: A polysilicon layer is deposited on a semiconductor substrate(11) having an NMOS region and a PMOS region. A gate electrode(13a,13b) is formed by patterning the polysilicon layer. An ion implanting barrier is formed at a space portion between the gate electrodes(13a,13b). A high density N type dopant is implanted selectively at a gate electrode(13a,13b) of the NMOS region. A high-density P type dopant is implanted at the gate electrode(13a,13b) of the PMOS region.
Patent KR-20010063798-A (KR)
Inventor: CHO SEONG DAE
IPC: B65D19/06
Filed: 1999-12-24
Abstract: PURPOSE: A prefabricated packing box is provided to reduce production cost and to be easily handled in assembling and disassembling by forming frames of synthetic resin and making massive production possible. CONSTITUTION: A frame(20) having a hollow part, a partition, many reinforcement grooves, connecting grooves and a ledge is prepared. Rectangular plate type unit faces are formed by slantingly cutting both ends of the frame in accordance with the size of a packing box(100) and thermally bonding the cut pieces. The units are stood on a pallet(10), and an upper face body is assembled to the upper portion of the units. The pallet is connected with the frames via fixing clips(30), and the frames of the units are connected via many fixing clips. According to elasticity, support rods of the fixing clip are firmly fixed and a hanging sill of the clip is tightly connected to the connecting groove of the frame. with the packing box including a pallet, articles are accommodated and transported easily.
Patent KR-20010066183-A (KR)
Inventor: JU SU CHEON
IPC: B62D65/00
Filed: 1999-12-31
Abstract: PURPOSE: A balance maintaining method for mounting a door is provided to accord mounting points of a hinge part of a door and a vehicle body precisely in the door mounting line, thereby easily mounting the door to the vehicle body and improving the workability. CONSTITUTION: A balance maintaining method for mounting a door includes the steps of reading a kind of a door by an optical sensor, receiving a signal output from the optical sensor and sensing a signal to a PLC(Programmable Logic Controller), and lifting or lowering the door to a predetermined height according to the read kind of the door by a cylinder which receives a signal output from the PLC, wherein the PLC is input with weight values for various kinds of vehicles in advance for automatically controlling a pressure of the cylinder according to a weight of the door, thereby maintaining the vertical position of the door uniformly.
Patent KR-20010087458-A (KR)
Inventor: PARK CHEON U
IPC: B60K17/34
Filed: 1999-12-31
Abstract: PURPOSE: A wind-up preventing device for a rear wheel drive vehicle is provided to restrain the vibration of a differential gear by applying an oil pressure in the opposite direction of the vibration of the differential gear, thereby preventing the vibration and the noise of a driving system. CONSTITUTION: A wind-up preventing device for a rear wheel drive vehicle includes a hydraulic cylinder(7) coupled with a vehicle body and having a piston rod(8) connected to a differential gear(5) via a hinge for preventing the vibration of a rear axle by applying an oil pressure to the differential gear, an oil pump(9) connected to the hydraulic cylinder for pumping oil to be supplied to the hydraulic cylinder, a direction control valve(10) mounted to the tube way between the oil pump and the hydraulic cylinder for controlling the direction of the compression oil supplied to the hydraulic cylinder, a vibration sensor(11) for sensing the vibration direction of the rear axle, and an electronic control unit(ECU) for applying a control current to the direction control valve to apply an oil pressure of the hydraulic cylinder to the differential gear in the opposite direction of the rear axle vibration.
Patent KR-20000049007-A (KR)
Title: Communication system using geographic position data
Inventor: VELAZQUEZ SCOTT R
IPC: G01S19/48
Filed: 1997-10-10
Abstract: PURPOSE: A communication system using geographic position data is provided to reduce co-channel interference. CONSTITUTION: A wireless communication system employs directive antenna arrays and knowledge of position of users to form narrow antenna beams to and from desired users and away from undesired users to reduce co-channel interference. By reducing co-channel interference coming from different directions, spatial filtering with antenna arrays improves the call capacity of the system. A space division multiple access (SDMA) system allocates a narrow antenna beam pattern to each user in the system so that each user has its own communication channel free from co-channel interference. The position of the users is determined using geo-location techniques. Geo-location can be derived via triangulation between cellular base stations or via a global positioning system (GPS) receiver.
Patent KR-20000053193-A (KR)
Title: Water jet propulsion unit for use in water borne craft
Inventor: DAVIES BARRY JOHN
IPC: B63H11/08
Filed: 1997-11-07
Abstract: PURPOSE: A water jet propulsion unit for use in water borne craft is provided an improved fuel efficient and compact water jet propulsion unit which can be used in either an outboard or stern-drive configuration. CONSTITUTION: A unit has an intake section, a pump section and a drive section within which is incorporated a pressure control device(35) and nozzle(43). In the pump section there are two counter-rotating impellers (2,3) on concentric counter-rotating shafts(4,5). The impellers(2,3) are mounted upstream of the drive section. The drive section contains a drive transmission carrier(20) to which is attached the pressure control device(35) both being located in the vortex created in the water flow, downstream of the two impellers(2,3). The pressure control device(35) allows the propulsion unit to operate in a low pressure high mass mode while maintaining pump priming. The impellers(2,3) can be removed without disassembly of the drive transmission carrier(20).
Patent KR-20010006267-A (KR)
IPC: A61K47/32
Filed: 1998-04-08
Abstract: Use of microparticles having a protein and an antibody adsorbed thereon for preparing a pharmaceutical composition for intranasal administration.
Patent KR-20010012582-A (KR)
IPC: C09K5/04
Filed: 1998-05-15
Abstract: 오존층파괴성능을 지니지 않고, 지구온난화계수가 작은 것으로 알려져 있는 히드로플루오로카본(HFC)중에서도, 특히 화학적안정성이 우수하고, 또한 생체에 대한 안정성이 높은 트리하이드로플루오로카본을 높은 비율로 함유하는 불소화포화탄화수소로서, 쇄상 또는 환상의 불소화포화탄화수소에 있어서, 하기 식(Ⅰ) 
     Rf 1 - R 1 - Rf 2 (Ⅰ) 
     (R 1 은 CHF와 CH 2 가 결합된 탄소사슬을 나타낸다. Rf 1 및 Rf 2 는 각각 퍼플루오로알킬기, 불소원자 또는 수소원자를 표시하고, 그중 적어도 하나는 퍼플루오로알킬기이고, 또한 Rf 1 및 Rf 2 는 서로 결합하여 퍼플루오로알킬렌사슬로 된 고리를 형성하여도 좋다) 
     로 표시되는 트리하이드로불소화포화탄화수소(A)가 95몰% 미만으로 또한 나머지로는 전기한 트리하이드로불소화포화탄화수소(A)와 탄소수가 같고, 동일한 탄소골격을 갖는 하기 식(Ⅱ) 
     Rf 1 - R 2 - Rf 2 (Ⅱ) 
     (R 2 는 CH 2 와 CH 3 가 결합된 탄소사슬을 나타내고, Rf 1 및 Rf 2 는 전기와 동일하다). 
     로 표시되는 테트라하이드로불소화포화탄화수소(B)가 함유되어 있는 것을 특징으로 하는 불소화포화탄화수소를 제공한다.
Patent KR-20010014104-A (KR)
Inventor: PENSJ THOMAS
IPC: H01Q1/12
Filed: 1998-06-11
Abstract: The present invention relates to an antenna (1) with an aerial sheath (5), a body (3) and legs (11) pivotally attached to said body (3). The legs (11) can be pivoted in the body (3) from a storage position in which they are adjacent to the aerial sheath (5) to a working position in which they extend away from the body (3) in a direction opposite that of the aerial sheath (5) and can support the antenna with the aerial sheath (5) pointing upwards.
Patent KR-20010068744-A (KR)
Title: Portable 808㎚ wave length laser instrument for medical treatment using high power semiconductor Laser Diode (InGaAsP).
Inventor: BAHK JONG YOON
IPC: A61B18/20
Filed: 2000-01-08
Abstract: PURPOSE: A portable medical laser treatment device of 808nm wavelength using a high-power semiconductor laser diode is provided to reduce the cost and the size of medical laser treatment equipment. CONSTITUTION: The portable medical laser treatment device uses a direct current supplied via a direct current input code(9) after being discharged from a battery(2) or being produced via a DC converter. The voltage of the direct current is stabilized by a printed circuit board(3) as a main control board. The stabilized current is successively connected to a first switch(4), a second switch(5), and a laser source(6) of the high-power semiconductor laser diode generating laser energy of fixed wave length, and again an electric wire of the laser source is connected to the printed circuit board, thereby one large electric circuit is completed. The laser beam generated from the laser source is emitted via a condensing lens(7). Also, a laser beam aiming device is installed in a groove(8) of a portable medical laser treatment device body(1) to confirm a focus of the laser beam within a short time.
Patent KR-20010073894-A (KR)
Inventor: KANG CHI WON
IPC: B60T7/08
Filed: 2000-01-22
Abstract: PURPOSE: A drum brake reduces friction and impact noise among two brake shoes and an anchor block supporting the brake shoes when a parking lever is released. CONSTITUTION: An elastic damper(40) is placed among an anchor block(25) and the other ends of two brake shoes(21, 22) to reduce friction and noised generated on the operation of a parking lever(28). The damper(40) formed to be a thin plate and covers the outer surface of the anchor block(25). When the parking lever(28) is released, the damper(40) covering the anchor block(25) reduces the impact when the lower parts of the brake shoes(21, 22) are suddenly restored to strike the both ends of the anchor block(25).