baber/WOPTO huggingface dataset:
Patent KR-20020001469-A (KR)
Title: Ink suction apparatus of head for digital printing machine
Inventor: CHOI GWAN SU
IPC: B41J2/185
Filed: 2000-06-28
Abstract: PURPOSE: An ink suction device of a head for a digital printing machine is provided to reduce media and ink waste with preventing an injection hole from being clogged by solidifying ink, and to reduce working hours by supplying ink from an ink containing body to the head conveniently. CONSTITUTION: A head ink suction apparatus of a digital printing machine is a packing(107) having an opening part(105) contacted to the lower part of a fitting hole(104) in a transfer bracket(103) inserting an ink injection part(102) of a head(101), and a circumferential protrusion(106); a packing assembling unit closing the fitting hole of the transfer bracket by the packing; an intake pipe(108) combined with the packing; and a pump combined with the end of the intake pipe to suck air between the packing and the transfer bracket. Air is discharged from the supply pipe through the injection hole, and ink is charged in the injection hole of the head through the supply pipe. The injection hole of the head is prevented from clogged with discharging ink from the injection hole by the packing the pump.
Patent KR-20020002634-A (KR)
Title: Manufacturing method for semiconductor device
Inventor: KIM JEONG HO
IPC: H01L21/28
Filed: 2000-06-30
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to prevent a nitride layer stacked on the sidewall and the upper portion of a gate electrode from being damaged, by etching a low dielectric material on an isolation layer such that the low dielectric material is used as a sacrificial insulation layer in a process for forming a contact plug. CONSTITUTION: An isolation layer(12) is formed on a semiconductor substrate(10). A gate insulation layer is formed on the entire surface, and a stacked structure of a gate electrode(14) and a mask insulation layer pattern(16) is formed. An insulation layer spacer(18) is formed on the sidewall of the stacked structure, and a source/drain region is formed in the semiconductor substrate at both sides of the insulation layer spacer. A stacked structure of a low dielectric sacrificial insulation layer pattern and a hard mask which protects a portion for a bitline contact and a storage electrode contact, is formed on the entire surface. An isolation layer for insulating a contact plug(28b) is formed on the entire surface. The isolation layer and the hard mask are etched to expose the low dielectric sacrificial insulation layer pattern. The low dielectric sacrificial insulation layer pattern is eliminated. A conductive layer is formed on the entire surface. The mask insulation layer pattern is planarized by an etch barrier to form the contact plug.
Patent KR-20020009286-A (KR)
Inventor: LEE JAE HAK
IPC: G09G3/296
Filed: 2000-07-25
Abstract: PURPOSE: A high voltage output circuit using a double transformer is provided to solve a stress of a diode by rectifying a voltage applied from a transformer. CONSTITUTION: A bridge diode(BD11) rectifies a supply voltage. The first and the second transformers(T11,T12) are connected with an output terminal of the bridge diode(BD11) and a ground terminal in order to transform the rectified supply voltage. The first and the second transistors(Q11,Q12) have a drain connected with the first transformer(T11) and a source connected with the ground terminal in parallel, respectively. The third and the fourth transistors(Q13,Q14) have a drain connected with the second transformer(T12) and a source connected with the ground terminal, respectively. The first and the second diodes(D11,D12) are connected with the first and the second transformers(T11,T12). The first and the second inductors(I1,I2) are connected with the output terminals of the first and the second diodes(D11,D12) and a voltage output terminal(Vo).
Patent KR-20020010307-A (KR)
Title: Method for forming a bottom electrode of a capacitor
Inventor: KIL DEOK SIN
IPC: H01L27/108
Filed: 2000-07-29
Abstract: PURPOSE: A method for forming a lower electrode of a capacitor is provided to reduce the thickness of a dielectric layer, by improving an interface characteristic between the dielectric layer of a perovskite structure and the lower electrode. CONSTITUTION: An insulation layer(13) formed on a semiconductor substrate(11) is patterned to form a contact hole exposing a junction part(12). A plug(14) is formed in the contact hole. After a diffusion barrier layer(15) is formed on the entire surface to be connected to the plug, a sacrificial metal layer is formed on the diffusion barrier layer. An oxide conductive layer is formed on the sacrificial metal layer. The oxide conductive layer, the sacrificial metal layer and the diffusion barrier layer are sequentially patterned to form the lower electrode(17a).
Patent KR-20020013088-A (KR)
Title: Crash barrier installed horizontal axis wind power system
Inventor: KANG JA SEUNG
IPC: F03D9/00
Filed: 2000-08-11
Abstract: PURPOSE: A horizontal shaft wind power generator of a median strip installing type is provided to increase size of rotor in a limited space as a median strip and to prevent resistant travelling wind by covering a rotor cover. CONSTITUTION: A horizontal shaft wind power generator in a median strip install type comprises a wind inducing film isolating offset between travelling wind; a wind prevent wall support vertically protruded on a ground to fix the wind inducing film; a vertical supporting pillar(14) pressed fit from the ground; a slave gear(12) mounted on an upper side of the vertical supporting pillar; a generator(13) installed on an upper portion of the vertical supporting pillar; a rotor having horizontal shafts on both sides of the slave gear; and a rotor cover(10) isolating resistant travelling wind preventing rotational movement of the rotor. Thereby, the horizontal shaft wind power generator of the median strip install type increases size of rotor in a limited space as the median strip. The horizontal shaft wind power generator prevents the resistant travelling wind by covering the rotor cover.
Patent KR-20020014167-A (KR)
Title: Clock driving apparatus for hitless switching
Inventor: CHO SEONG MUK
IPC: H04B10/2581
Filed: 2000-08-16
Abstract: PURPOSE: A hitless switching available clock supply apparatus in a synchronous optical transmission multiplexing device is provided to minimize a hitless error frequently generated when mounting, dismounting and switching a clock unit providing a clock and when switching various units requiring clock and enable an additional installation of a function addition unit requiring a new clock without changing a design of a system. CONSTITUTION: A main clock unit(20a) generates and outputs a 3.24Mbps single reference clock signal and a 2Kbps single synchronous clock signal synchronizing the reference clock signal. A preliminary clock unit(20b) receives the synchronous clock signal from the main clock unit(20a) and synchronizes a 3.24Mbps single preliminary reference clock signal that is generated and outputted by itself and the 2Kbps single synchronous clock signal. A switching controller(30) outputs a binary signal of high and low to provide it as a control signal for a switching to the main clock unit(20a) and the preliminary clock unit(20b), enables the main clock unit(20a) according to the high signal while disables the main clock unit(20a) according to the low signal, and reversely, disables the preliminary clock unit(20b) according to the high signal and enables the preliminary clock unit(20b) according to the low signal. A main unit(40a) and a preliminary unit(40b) each having clock generators(41a,41b) generating and outputting a desired clock(19.44Mbps or 51.84Mbps) on the basis of the synchronous clock signal and the reference clock signal provided from the main clock unit(20a) or the preliminary clock unit(20b).
Patent KR-20010021338-A (KR)
Title: Method of forming a bipolar transistor for suppressing variation in base width
Inventor: KATO HIROSHI
IPC: H01L29/73
Filed: 2000-08-17
Abstract: PURPOSE: A manufacture of semiconductor device is provided to suppress fluctuations of the base width and reduces fluctuation of the high-frequency characteristics. CONSTITUTION: The manufacturing method, a base polysilicon film(4) is grown, oxidation is made by the lamp annealing technique, where fluctuations with respect to an oxide film(3) is extremely small, buffered fluoric acid having a large selection ratio of the oxide film(3) to the polysilicon film(4) is used, an oxide film(SiO2) with a fixed width is etched for removal in the horizontal direction from an intrinsic base formation region, and a base impurity(BF2) is injected for forming an emitter polysilicon film(13). Accordingly, changes in the space between an N+ substrate 1 and N+SIC7 are reduced, preventing the width of a base(10) from being changed, and reducing the fluctuations in high-frequency characteristics.
Patent KR-20020016722-A (KR)
Title: Method of advertsement with auction system on website
Inventor: KIM BONG GYEOM
Filed: 2000-08-26
Abstract: PURPOSE: An advertising method by auction using the Internet is provided so that an advertiser can directly determine advertising expenditure at auction and a user can directly find and watch the advertisement. CONSTITUTION: An advertiser accesses a portal site web server through an Internet web browser(S10-S12). The advertiser clicks on "auction participation"(S13) and conducts an auction with other advertisers of the same business lines(S14). If ranking is settled when the auction finishes(S15), the portal site registers advertisers' advertisements at sites concerning their desired business fields and area according to ranks of the advertisers(S16). A user accesses desired business lines or a desired area and watches a registered advertisement(S17).
Patent KR-20020020563-A (KR)
Title: Rear suspension of vehicle
Inventor: SON YEONG SU
IPC: B60G11/36
Filed: 2000-09-09
Abstract: PURPOSE: A rear suspension system of a vehicle is provided to reduce the impact force to be given to a vehicle body to a minimum through absorbing of impact force by the stopper bracket and to improve the riding comfort. CONSTITUTION: A rear suspension system of a vehicle includes a stopper bracket(10) to be bumped against a shock-absorbing member and composed of a first stopper bracket(11) and a second stopper bracket(12). The first stopper bracket is formed into closed section as a flat plate of fixed thickness and the top of the first stopper bracket is connected to a side member and a part of the bottom to connected to the shock-absorbing member is open. The second stopper bracket is installed to be able to shut the opening(11a) of the first stopper bracket and connected to the first stopper bracket by plural elastic members(20), and absorbs impact force while elastically contracting and being restored towards the side member when the stopper is bumped against the shock-absorbing member.
Patent KR-20000072603-A (KR)
Inventor: LEE JAE HAK
IPC: G06F15/16
Filed: 2000-09-15
Abstract: PURPOSE: A personal museum system is provided to make a database for detailed personal information from birth to death, and offer the information stored in the database to the offspring or a general user. CONSTITUTION: A personal museum system comprises a member management system(12), one electronic key system(13), a personal information management system(14), one information transmission system(15), the other electronic key system(22), a database(23) and the other information transmission system(24). The member management system(12) registers a personal information, a membership fee payment method and a membership level, and gives the registered member an ID code. The electronic key system(13) sets an information access coverage according to the access level to prevent general users from spoiling the information. The personal information management system(14) classifies the information according to the request of the members. The electronic key system(22), connected to the electronic key system(22) of an operation server(11), enable the user to access and browse the information only if the input code is identical to the code of the key system(22). The database(23), connected to the personal information management system(14), stores the classified information.
Patent KR-20020022143-A (KR)
Title: Disc identifying method for optical disc reader/writer
Inventor: HAN YONG HUI
IPC: G11B7/00
Filed: 2000-09-19
Abstract: PURPOSE: A method of judging disks in an optical recording/reproducing system is provided to judge the kinds of disks inserted into the optical recording/reproducing system as an audio files/songs storing disk, an MP3 files/songs storing disk, and a general data file storing disk and to normally reproduce the files/songs stored in the disks. CONSTITUTION: Table of content information of a disk inserted into an optical recording/reproducing system is obtained(201). Attribute information of a file stored in the disk is attained from the obtained table of content information(202). The kind of the inserted disk is judged using the attribute information of the file. The attribute information is grasped using extension information of the file(203).
Patent KR-20020023022-A (KR)
Title: Consumption power saving apparatus and controlling method in a stand-by mode
Inventor: YANG JUN HYEON
IPC: H02M3/335
Filed: 2000-09-22
Abstract: PURPOSE: A stand-by power saving power supply and a method of controlling the power supply are provided to cut power supply to circuits other than a starting switching circuit in power-saving mode so as to minimize consumption of power. CONSTITUTION: A power-saving power supply includes a starting switching circuit(40), a controller(50), and a feedback circuit(30). The starting switching circuit has the first remote control receiver(42) that provides starting power to a stand-by mode power supply in response to a power-on signal. The controller receives a control signal received through the second remote control receiver(26) to perform a function corresponding to the control signal. The feedback circuit converts the starting switching circuit into a stand-by mode or power-saving mode in response to a power-off signal from the second remote control receiver or a main power switch.
Patent KR-20020023480-A (KR)
Title: Method for measuring channel holding time in base station transciever
Inventor: HAN WON JUN
IPC: H04W88/08
Filed: 2000-09-22
Abstract: PURPOSE: A method for measuring a channel holding time of a BTS(Base Transceiver Station) is provided to obtain reliable data by measuring the channel holding time in the BTS. CONSTITUTION: If a BCOX(Bcp Call prOcessing eXecution) of a BTS receives call setting request from a terminal, the BCOX pages a library for retrieving an available channel, assigning the retrieved channel, and measuring a channel holding time using an ID of the assigned channel. If the BCOX pages the library, a channel card number is searched using the channel ID, and a channel use state counter provided to the channel card is increased by 1 when assigning the channel and the channel use state counter is decreased by 1 when releasing the channel. The number of current using channel is notified to a BMMX(Bcp Measurement Management eXecution) block. The BMMX periodically reads the counter value using a timer provided from an OS, adds the read values, and stores the added value in a corresponding card-classified buffer. The BMMX reads the stored buffer value by every 10 minutes, multiplies a period by the read value for obtaining a channel card classified channel holding time used during 10 minutes, and initializes the buffer value. The channel hold time calculated by 10 minutes is inserted into a BSC(Base Station Controller) transmission packet according to the channel card, and data are transmitted to the CMMX(Ccp Measurement Management eXecution) block of the BSC.
Patent KR-20020025544-A (KR)
Title: Manufacture method of optical connector
Inventor: CHOI HYEONG
IPC: G02B6/24
Filed: 2000-09-29
Abstract: PURPOSE: A method for manufacturing an optical connector is provided to reduce a total size and easily arrange optical elements according to an optical axis using a plurality of etching mask layers. CONSTITUTION: First upper and lower etching mask layers(143,144) are deposited on both surface of a wafer and a first patterning step is performed to expose hole corresponding and V-groove corresponding areas(155,157). A second etching mask layer is deposited on the first upper and lower etching mask layers(143,144) and a second patterning step is performed to expose a micro pit corresponding area(150) and the hole corresponding area(155). The micro pit and hole corresponding areas(150,155) are etched by a predetermined depth(d1). The second etching mask layer is removed, the micro pit and hole corresponding areas(150,155) is etched by a predetermined depth(d2), and the first upper etching mask layer(143) is removed.
Patent KR-20010000888-A (KR)
Inventor: JANG HUN
IPC: G06Q50/20
Filed: 2000-10-25
Abstract: PURPOSE: A method and system for playing a musical instrument and learning a music based on the Internet is provided to download a desired file for playing , accompaniment or a sheet of the music, and to satisfy various desire of a user. CONSTITUTION: A service provider makes a music book every musical instrument and a musical performance of a famous musician as a digital file, makes a database, and provides the database to each membership. A user registered as a member is connected to a server of a service provider. The member searches the database, selects a desired file in the database, and stores the selected file in his computer. The downloaded file from the service provider's server is transmitted to a sound reproducer mounted to a desired musical instrument. The transmitted file is decoded, is reproduced by a sound reproducer, and is output to external amplification device. While the member listens an instrument playing or an instrument accompaniment. the member plays his musical instrument, practices the music, or sings a song. Thereby, a musical instrument can be played on the Internet by connecting a wireless communication technique to a digital signal processor technique.
Patent KR-20020032746-A (KR)
Title: A method of connecting external keyboard for pcp
Inventor: CHO YUL JE
IPC: H04B1/40
Filed: 2000-10-27
Abstract: PURPOSE: A method for connecting an external keyboard of a portable terminal is provided to increase the convenience of a user by recognizing an external keyboard with a key button of a portable terminal, by easily making use of additional services provided from a mobile communication system, and by easily connecting to the Internet. CONSTITUTION: It is judged whether an external keyboard is connected to a portable terminal. In case that '0,1' signal isn't recognized from the external keyboard, it is judged the external keyboard isn't connected(S100). In case that the '0,1' signal is applied from the external keyboard, it is judged whether the external keyboard is continuously connected(S110). The connection of the external keyboard is stabilized(S120). A key button recognition data frame signal applied through an RXD(Received Data) line of a data cable from the external keyboard is recognized and processed in the portable terminal(S130). It is judged whether a key button input signal is inputted from the external keyboard through the RXD line of the data cable(S140). The conversion into a sleep mode capable of reducing power consumption of batteries of the portable terminal is performed(S150). It is judged whether the key button input signal is recognized by the portable terminal. In case that the signal isn't recognized, it is judged whether the external keyboard is connected(S160). In case that the signal is recognized, the first key button input signal is ignored(S170).
Patent KR-20010051707-A (KR)
Inventor: FEDER PERETZ MOSHES
IPC: H04B17/00
Filed: 2000-11-15
Abstract: PURPOSE: A wireless modem alignment in multi-cell environment is provided to allow an installation personnel to adjust a first communication unit to obtain an optimum position adaptive properly to signal quality in both reverse and forward link directions in the installation of the first communication unit in a wireless environment. CONSTITUTION: In addition to aligning a first unit for proper forward link communications in a wireless environment, there is a method of alignment where a reverse link signal is transmitted from the first unit to a second unit. Therefore the first unit may be positioned based on at least one signal quality parameter measure contained in a forward link signal reply to the reverse link signal. The method enables an installer to verify signal quality in both the forward link and reverse link directions by reviewing indications of received signal strength for both the reverse link and forward link directions on an LED display, so as to position the first unit for achieving acceptable signal strength in both directions.
Patent KR-20020041024-A (KR)
Inventor: BAE JIN CHAN
IPC: C21B11/00
Filed: 2000-11-25
Abstract: PURPOSE: A method for accurately evaluating dynamic reduction degradation of iron ore for shaft reduction furnace is provided. CONSTITUTION: The method includes the steps of drying 500g iron ore followed by charging it in a reaction tube; raising the temperature of the tube up to 600-800°C within 50 to 70 minutes while rotating the tube at 4 to 8 rpm and flowing nitrogen gas into the tube at 5-10 Nl/min(Nl is Normal Liter); replacing the nitrogen gas by 9-18 Nl/min of a reducing gas comprising CO 40-50%, CO2 30-35% and H2 20-25% and reducing the iron ore for 30-70 minutes; replacing the reducing gas by 5-10 Nl/min of nitrogen gas followed by air cooling; discharging iron ore from the tube when the temperature of the tube is below 100°C; sorting the reduced iron ore into iron ore greater than 3mm and smaller than 3mm and weighing sorted iron ore; and calculating LRDI by the following equation: LRDI(%)=100xW2/(W1+W2) where W1 is weight of iron ore larger than 3mm(g), W2 is weight of iron ore smaller than 3mm(g).
Patent KR-20020043743-A (KR)
Title: Method for manufacturing steel plate to be precipitating TiN+MnS by nitriding treatment for welded structures
Inventor: CHOI HAE CHANG
IPC: C23C8/24
Filed: 2000-12-04
Abstract: PURPOSE: A method for manufacturing a high strength steel plate having a composite precipitate of TiN and MnS is provided, in which TiN that is precipitated by nitriding treatment is surrounded by MnS to minimize toughness difference between base metal and weld heat-affected zone. CONSTITUTION: The method for manufacturing the high strength steel plate for welded structure comprises the processes of casting a steel slab comprising 0.03 to 0.17 wt.% of C, 0.01 to 0.5 wt.% of Si, 1.0 to 2.5 wt.% of Mn, 0.005 to 0.2 wt.% of Ti, 0.0005 to 0.1 wt.% of Al, 0.005 wt.% or less of N, 0.0003 to 0.01 wt.% of B, 0.001 to 0.2 wt.% of W, 0.03 wt.% or less of P, 0.003 to 0.05wt.% of S, 0.005 wt.% or less of O, a balance of Fe and other inevitable impurities wherein the ratio of Mn against S is as follows: 220<=Mn/S<=400; nitriding the steel slab in the temperature range of 1000 to 1250°C for 60-180 minutes wherein nitrogen content in the steel plate is kept within the range of 0.008 to 0.03% while satisfying the following inequalities: 1.2<=Ti/N<=2.5, 10<= N/B<=40, 2.5<=Al/N<=7, 6.5<=(Ti+2Al+4B)/N<=14; hot rolling the heated steel slab at a reduction ratio of higher than 40% over austenite recrystallization zone; and cooling the hot rolled steel sheet to a ferrite transformation finish temperature±10°C at a cooling rate of higher than 1°C/min.