baber/WOPTO huggingface dataset:
Patent KR-20010085658-A (KR)
Title: Physical distribution transfer system for preventing environmental pollution and its transfer method
Inventor: SEO JUNG EUN
IPC: B65G51/04
Filed: 2001-02-27
Abstract: PURPOSE: A pollution free cargo transferring system and a method thereof are provided to reduce environmental pollution without an internal combustion engine, to transport cargo promptly and conveniently every time regardless of traffic, and to cut down the cost. CONSTITUTION: A cargo transporting system is composed of a first place(10) keeping a freight car waiting to prevent the freight car from entering downtown; a second place(20) in the downtown area; a rail(30) connecting the first place and the second place; a capsule(40) for cargo moving along the rail; and a capsule transferring unit. The capsule loading cargo is transferred from the first place to the second place through the rail. The cargo is loaded in the capsule at the first place, and the capsule loading the cargo is moved to the second place. The cargo is unloaded from the capsule at the second place. The first place is placed over the second place to apply gravity. The rail consists of a vacuum linear tube, and moves the capsule with magnetic force. The capsule is contacted to the bore of the rail tube, and moved with difference of pneumatic pressure.
Patent KR-20020069462-A (KR)
Title: Discrete rib arrangements in turbine blade cooling passage
Inventor: CHO HYUNG HEE
IPC: F01D5/18
Filed: 2001-02-27
Abstract: PURPOSE: Short unevenness of the internal passage of a turbine blade is provided to improve cooling performance of the internal secondary passage and to perform regular transmission of heat. CONSTITUTION: In the structure of a turbine blade(10) having unevenness installed in the internal passage(20) to cool a turbine blade through the internal passage of the turbine, short unevenness(100) of the internal passage of the turbine blade is short in parallel or crossed arrangement. The short shape is formed through combination of the pitched-moved unevenness. If the upper face and the bottom face of the unevenness are parallel, clearance(110) 0.1 time to 3 times of unevenness width is formed at the area having down-flow of secondary flow by the inclined unevenness in the arrangement of inclined unevenness. In the inclined unevenness arrangement, the angle of attack of duct flow and unevenness is from 90 degrees to 45 degrees. Therefore, the cooling performance in consideration of friction loss inside the duct is improved, and the uniformity of heat transmission is improved.
Patent KR-20010085737-A (KR)
Title: Projection exposure apparatus, method of manufacturing the projection exposure apparatus, and method of adjusting the projection exposure apparatus
Inventor: IWASAKI MASAYA
IPC: H01L21/027
Filed: 2001-02-28
Abstract: PURPOSE: A projection exposure apparatus is provided to reduce fabricating cost of the projection exposure apparatus and to decrease cost for operating or repairing such projection exposure apparatus, by easily disassembling or replacing a projection system. CONSTITUTION: The projection exposure apparatus irradiates an exposure beam to an object through the projection system. The projection system is mounted on a frame unit installed on a base member and at both sides of a leg part. At least a support unit is disposed in a region surrounded by the leg part on the base member while a stage system drives the object capable of sliding in a predetermined direction. The frame unit is capable of sliding on a base member. The projection system is mounted on the frame unit. The frame unit has three leg parts substantially corresponding to respective vertices of a triangle. The width of the support unit of the stage system is smaller than the interval between two leg parts among the three leg parts.
Patent KR-20010092318-A (KR)
Title: Communication apparatus, frequency spectrum inversion method and program storage medium
Inventor: SAWA KAZUHIRO
IPC: H04B17/40
Filed: 2001-03-14
Abstract: PURPOSE: To provide an inexpensive communication device of a simple constitution which can deal with a communication system of a fixed duplex interval, can easily set the transmitting and receiving frequency and also can attain the duplex calls between slave units. CONSTITUTION: The signals of transmitting frequencies fta and ftb sent from slave units A and B are received at a receiving part 20 and a signal processing part 40 inverts the entire frequency spectrum including the signals received and undergone the frequency conversion at the part 20. Then the received signals included in the frequency spectrum inverted at the part 40 are undergone by the frequency conversion at a transmitting part 30 and retransmitted as the signals of receiving frequencies fra and frb of the units A and B.
Patent KR-20020073056-A (KR)
Title: Double pile double raschel knit fabric and raschel machine for knitting thereof
Inventor: KIM HAE RYONG
IPC: D04B23/02
Filed: 2001-03-14
Abstract: PURPOSE: A double Raschel fabric of a double-faced pile in which a pile is formed on both surfaces of a double Raschel fabric, and a double needle bar Raschel for knitting the fabric are provided. Therefore, the fabric is used for shawls, scarf or a substitute for double-faced pile fabric. CONSTITUTION: A point chip(p1,p2) of a simple structure performing a circular arc motion is constructed on the outside of both stitching needles of a usual double Raschel knitting machine to engage in a latch needle(n1,n2) and to ascend and descend, thereby easily forming the same loop pile, or loop pile and cut pile, or the same cut pile on the surface or the back surface of a usual double Raschel fabric.
Patent KR-20020073358-A (KR)
Title: Study system and the method using internet
Inventor: LEE JAE DEUK
Filed: 2001-03-16
Abstract: PURPOSE: An internet education system and method is provided to mark an examination or guide an educatee according to an education progress of the educatee so that it can customize a request of the educatee or enhance an education progress. CONSTITUTION: The method comprises steps of a user accessing a service home page, passing a member subscription procedure by inputting a name, a grade, an e-mail address, an education subject or a payment method, and receiving a member ID and a password(S1, S2, S3), the user receiving a set of questions extracted from a question database via an e-mail(S4), the user solving the questions and transmitting the solution results to a web server by inputting a button of a correct answer check displayed on a screen(S5), the web server marking the solution results, diagnosing them, and transmitting the diagnosis result to a user terminal(S6), the web server selecting compensation questions from a compensation question database or a question database according to the diagnosis result and transmitting the compensation questions to the terminal of the user via an e-mail(S7, S8), and the web server continuing to offer the compensation questions to the user terminal or enabling the user to select upgraded questions according to the diagnosis result(S9, S10).
Patent KR-20020074851-A (KR)
Title: manufacture method of open-cell type matal preform
Inventor: PARK HAE WOONG
IPC: B22F3/11
Filed: 2001-03-22
Abstract: PURPOSE: A manufacturing method of an open-cell type metal preform is provided which easily produces the open-cell type metal preform durability and compression strength of which are substantially improved, and which has various densities. CONSTITUTION: The manufacturing method of an open-cell type metal preform comprises coating process of drying the metal powder coated polyurethane foam after coating a specific metal powder selected from copper, nickel and titanium powder on a polyurethane foam which is formed in a three-dimensional network structure having a porosity ranging from 50 to 98%, and on the surface of which a liquid phase polyurethane resin is coated; preform manufacturing process of impregnating the polyurethane foam passing the coating process into a slurry in which the same metal powder selected and used in the coating process, a water soluble PVA binder and ethyl alcohol are mixed in a weight ratio of 100:10-50:1-10 so that the surface of the polyurethane foam is coated with the slurry, removing the excess slurry by pressing the slurry coated polyurethane foam, and then drying the slurry coated polymer resin foam at a temperature of about 50 to 150 deg.C for more than 3 hours; oxidation process of removing pyrolytic organic constituents such as urethane and PVA binder by maintaining the foam at the maximum temperature for 1 to 5 hours and air cooling the heated foam after positioning the foam passing the foam manufacturing process in a furnace chamber and heating the air to a temperature of about 300 to 600 deg.C as continuously flowing air into the furnace chamber; and reduction and powder sintering process of sintering the resulting material by maintaining the reduced metal powder at a temperature of about 800 to 1000 deg.C for 3 to 6 hours after reduction treating the oxidized metal powder by applying a heating temperature of about 300 to 800 deg.C to the metal powder oxidized in the oxidation process in a reduction atmospheric chamber in which a mixed gas of hydrogen and argon is continuously flows.
Patent KR-20010069463-A (KR)
Title: Microphone and speaker made of polyvinylidene fluoride (pvdf) piezoelectric film having surface electrodes
Inventor: YUM SANG SEOP
IPC: H04R17/02
Filed: 2001-03-26
Abstract: PURPOSE: A PVDF(PolyVinyliDene Fluoride) piezoelectric film type microphone and flat speaker with both-sided electrode are provided to form a microphone and a speaker having a vibration plate function and a signal conversion function by using piezoelectricity of a PVDF film. CONSTITUTION: A metal electrode with a thickness of 200 to 1080 angstrom is deposited on both sides of a PVDF piezoelectric film(20). A piezoelectric film type microphone of a flat structure or a curve structure is formed by using the PVDF piezoelectric film(20) with the metal electrode. The piezoelectric film type microphone has a size of 3cmx 2cm. A flat speaker and the microphone are formed with one unit by using a structure of the PVDF piezoelectric film(20).
Patent KR-20020076350-A (KR)
Title: Heating apparatus for diesel engine
Inventor: KIM JIN MUN
IPC: B60H1/04
Filed: 2001-03-28
Abstract: PURPOSE: A device for preventing damage of auxiliary heater of diesel engine by fire and control method of the same are provided to prevent the auxiliary heater from overheating and damaging. CONSTITUTION: A water-pressure gauge(30) is additionally formed on a coolant hose(25) where an auxiliary heater(20) is installed. A control part(23) stops operation of the auxiliary heater and lights up a coolant warning lamp(32) placed on a dashboard of a driver's seat when hydraulic pressure measured by the water-pressure gauge is lower than fixed pressure, i.e., when amount of the coolant cooling an engine(21) is not enough.
Patent KR-20020076596-A (KR)
Title: Frequency hopping method for bluetooth system
Inventor: KIM BOK GYU
IPC: H04B1/713
Filed: 2001-03-29
Abstract: PURPOSE: A method for hopping a frequency in a Bluetooth system is provided to minimize the generation of an error and improve a data transmission rate by configuring a new frequency hopping sequence by only residual channels except for error generation channels and transmitting data by a hopping sequence newly configured when generating the error. CONSTITUTION: If a response signal is a non-acknowledge signal after transmitting a packet, a frequency channel in which an error is generated is stored(S61,S62). If the generated error is within a flush time(S63), it is judged whether the error is within a training period(S64). If the error is within the training period, a packet retransmission is performed by a conventional frequency hopping sequence(S65,S67). If the error is over the training period, a packet retransmission is performed by a new frequency hopping sequence(S66,S67). If the response signal is an acknowledge signal after transmitting the packet or the error exceeds the flush time after receiving the non-acknowledge signal, it is judged whether the error is within a training period(S69). If the error is within the training period, a new packet is transmitted by a conventional frequency hopping sequence(S70,S72). If the error is over the training period, a new packet is transmitted by a new frequency hopping sequence configured except for an error channel detected during the training period(S71,S72).
Patent KR-20020076820-A (KR)
Title: CONTROL OF ABNORMAL GROWTH IN DICHLORO SILANE(DCS) BASED CVD POLYCIDE WSix FILMS
Inventor: CHOI CHEOL HWAN
IPC: H01L21/24
Filed: 2001-03-30
Abstract: PURPOSE: A method for fabricating a semiconductor thin film having two layers capable of controlling an abnormal growth of dichloro-silane is provided to eliminate or decrease an abnormal growth of a lower polysilicon layer, by stacking the lower polysilicon layer at a temperature in which the lower polysilicon is not crystallized and by preventing silicon from being injected to the lower polysilicon layer. CONSTITUTION: A diffusion process is performed at the first temperature in which polysilicon is not crystallized so that a polysilicon layer is formed on a substrate. The first temperature for forming the polysilicon layer is increased to the second temperature. The polysilicon layer is flushed to form a transition layer by using the first flush material(S106). The polysilicon layer is flushed to form the second material layer on the polysilicon layer by using the second flush material(S108). The transition layer provides an adhesion characteristic between the second material layer and the polysilicon. The bulk of the second material layer is formed on the transition layer by using a composition of the first and second flush materials. The bulk of the second material layer is flushed to remove impurities by using the second flush material. The bulk of the second material layer is flushed to decrease stress between the polysilicon layer and the second material layer by using the first flush material(S116).
Patent KR-20010090764-A (KR)
Title: Non-reducing dielectric ceramic, monolithic ceramic capacitor using the same, and method for making non-reducing dielectric ceramic
Inventor: MOTOKI TOMOO
IPC: H01G4/30
Filed: 2001-04-07
Abstract: PURPOSE: To provide a nonreducing dielectric ceramic, the insulation resistance and dielectric loss of which will not deteriorated, even when the ceramic is baked in a neutral or reducing atmosphere and from which stable high reliability is obtained at the time of conducting a high-temperature loaded life test even when the thickness of an element is reduced for obtaining a small-sized large- capacitance laminated ceramic capacitor and a laminated ceramic capacitor using the ceramic. CONSTITUTION: The non-reducing dielectric ceramic does not contain Pb as a metallic element and is composed of at least Ca, Zr, and Ti. The intensity of the maximum peak of the subcrystalline phase (all crystalline phases other than the perovskite-type main crystalline phase) of the ceramic is adjusted to 12% or lower of that of the maximum peak of the perovskite-type main crystalline phase of the ceramic, which appears at 2θ=25-35° on an X-ray diffraction chart obtained by using a CuKα ray.
Patent KR-20010074227-A (KR)
Title: Monitortop Typed Simulation System and Method for Studying Based on Internet
Inventor: CHO IN HYUNG
Filed: 2001-04-12
Abstract: PURPOSE: A system and method for studying a monitor built-in type simulation based on the Internet is provided to enhance an interest and a studying effect by providing studying information through another unit besides a display monitor. CONSTITUTION: In a learner client having at least one simulation device being controlled by a computer and being connected electrically and having a studying agent, and an Internet simulation studying system comprising the learner client and a studying server being connected to learner client, the studying agent is operated(S10). Character information corresponding to studying information and the simulation device are downloaded from the studying server(S12). The simulation devices are registered as specific characters, respectively, based on the character information(S14). The learner is responded to contents being provided from the studying agent based on the studying information(S20). The respond of the learner is decided(S22). The responded operation is performed in accordance with the decided result by operating the simulation device(S26).
Patent KR-20010068002-A (KR)
Title: A Trial Examination of Automatic Making questions System Using Internet
Inventor: KIM SEONG YONG
Filed: 2001-04-13
Abstract: PURPOSE: A system for automatically making question of a test on Internet is provided to make a test be made automatically by not an input of a person who prepares examination questions but a specific conditional formula that is a subject, test coverage, a unit of a subject, a keyword and degree of difficulty. CONSTITUTION: A question DB(Data Base)(100) stores a subject, coverage, a unit of the subject, a question, voice, picture, explanation of the question and an example, correct and incorrect answer to the question, keyword and degree of difficulty of an examination question according to input degree. An example DB(200) stores content of an example, explanation, correct and incorrect answer, keyword and degree of difficulty according to the question DB(100). A search part(300) performs search for a subject, coverage, unit of the subject, keyword and degree of difficulty in the question and the example DB(100, 200). A type selecting part(400) selects types of examination questions such as OX question. An automatic question making part(500) automatically performs making a question of various tests such as tests by progress, whole coverage test, etc., through the type selecting part(400). A results analyzing part(600) performs inquiry of results, explanation of correct and incorrect answer and statistics of results by individual.
Patent KR-20020056807-A (KR)
Title: A timing and frequency offset estimation scheme for OFDM systems by using an analytic tone
Inventor: KIM DONG GYU
IPC: H04L27/26
Filed: 2001-04-14
Abstract: PURPOSE: A timing and frequency offset estimation for OFDM(Orthogonal Frequency Division Multiplexing) system using analytic tone is provided to remove the necessity of general synchronization in a frequency synchronization process and simplify the mathematical calculation required to the calculation of the frequency offset estimation value. CONSTITUTION: An ADC(Analog Digital Converter)(1) converts the inputted analog signal into a digital signal. A correlation sum calculator(3) receives a signal from the ADC(1), calculates the output received by a frequency offset estimation and analytic tone-phase compensator(5) and a frequency offset estimation value corresponding to the analytic tone. A timing offset estimator(7) receives a signal from the ADC(1), calculates independently a timing offset estimation value to the calculation of the offset estimation value by a frequency offset estimation and analytic tone-phase compensator(5). The timing offset estimation value is received by a switch(9) and the frequency offset estimation value is calculated through a single step by using a timing offset estimating value.
Patent KR-20010068077-A (KR)
Title: System and method for placing an order in online stock trading
Inventor: JUNG MIN MO
Filed: 2001-04-19
Abstract: PURPOSE: The system and method for ordering the on-line stock is provided to enable a beginner to order the stock easily and promptly according to the real-time stock news. CONSTITUTION: A user connects to the order processing server of a security(S301). A presentation part serves the initiative screen on the client terminal(S302). The user can set up the order term in advance(S303) and inputs the desire terms to the configure window(S305). The terms configuration checks if the save deposit excesses the standard amount or not(S306). If the save deposit is proper, the order terms of the user is configured as the new input value. Otherwise, the terms modification is requested. A news searcher of the order processing server checks the news related to the stock name(S307). When the stock name is checked, the order sheet processor automatically makes the order form(S308). If the user wants to order(S309), the order information is sent to the order processing server by clicking an order button. While the specification of ordering the stock is sent to the Securities Exchange, the order sheet processor receives and processes the buy order(S311).
Patent KR-20020084363-A (KR)
Title: Apparatus and method for testing linearity character of analog to digital converter
Inventor: CHO BYEONG HWAN
IPC: H03M1/10
Filed: 2001-04-30
Abstract: PURPOSE: A test device for testing linearity of an analog/digital converter and a method thereof are provided, which can test the linearity of the analog/digital converter accurately without being influenced by noise, and can minimize the influence of noise using a digital filter. CONSTITUTION: A control part(42) outputs a resolution control signal to convert an analog signal into a digital signal, and controls to test linearity of the digital signal and to display a test signal. A signal generator(30) generates a triangular wave signal, and an analog/digital converter(32) converts an analog triangular wave from the signal generator into a digital signal. A memory(34) stores a code value digital-converted from the analog/digital converter by the control part. A digital filter(36) performs a digital filtering of the digital code value read from the memory by the control of the control part. A histogram generation part(38) generates a histogram by receiving the digital code value filtered from the digital filter. And a display part(40) displays the histogram by the control of the control part. A comb filter is used as the digital filter.
Patent KR-20020087681-A (KR)
Title: Using Customer Relationship Management Marketing Technology, Internet Agent of Customer Management
Inventor: RYU JONG YEON
Filed: 2001-05-16
Abstract: PURPOSE: An agent business for managing an Internet customer using a CRM(Customer Relationship Management) marketing technique is provided to realize the customer's satisfaction management for a client and a client's customer by applying the professional customer management and a scientific customer management system. CONSTITUTION: A businessman registers as a member by connecting to a headquarter server through the Internet(30). The server receives the managing customer information, the anniversary days and the client information(40). The customer information is constructed into a DB of an off-line agency DB system(503). The customer of the businessman is requested to the off-line agencies of each region(610). The headquarter integrally makes the printings, a discount coupon and a business card by requesting the marketing, the PR and the advertisement to a regional businessman helping the off-line agency(640). The businessman searches the anniversary days of the customer by using the database(60). After confirming an address of the customer, the printing materials are directly sent to the customer via a mail, a fax or a SMS(Short Message Service) at the anniversary days of the customer(520,530).