baber/WOPTO huggingface dataset:
Patent KR-20030097252-A (KR)
Title: Bandwidth calculating system of internet protocol network and method therefor
Inventor: CHOI SANG GYU
IPC: H04L12/66
Filed: 2002-06-20
Abstract: PURPOSE: A system and a method for calculating a bandwidth of an IP(Internet Protocol) network are provided to accurately calculate the bandwidth necessary for providing an Internet phone service to the IP network in consideration of the characteristics of a technique and a protocol used in an Internet phone. CONSTITUTION: A VoIP(Voice over IP) call classified bandwidth calculating unit(10) calculates an occupation bandwidth per VoIP call according to the size of a VoIP packet. An IP network bandwidth calculating unit(20) calculates the entire bandwidth of an IP network in consideration of the occupation bandwidth per VoIP call calculated in the VoIP call classified bandwidth calculating unit(10), the number of calls per unit time, a mean call time and a protocol specification.
Patent KR-20040001238-A (KR)
Inventor: LEE YONG GI
IPC: H04L12/28
Filed: 2002-06-27
Abstract: PURPOSE: An apparatus for dynamically allocating wavelengths and an apparatus for routing optical signals using the same are provided to dynamically change the wavelength of an inputted packet by optically extracting a header from a 40G or larger optical data packet and driving a wavelength corresponding to the bit pattern of the header. CONSTITUTION: An apparatus for dynamically allocating wavelengths and an apparatus for routing optical signals using the same are composed of a cell pointer extractor(100), a tag extractor(110), a decoder and optical source driver(120), an optical generator(130), an optical wavelength converter(140), and an NxN AWG(Arrayed Waveguide Grating)(150). The cell pointer extractor(100) extracts a cell pointer from an optical packet. The tag extractor(110) extracts a tag from the optical packet. The decoder and optical source driver(120) changes the extracted tag into an electrical signal, decodes it, and drives an optical source. The optical generator(130) generates lights of various wavelengths. The optical wavelength converter(140) converts the wavelength of a light into a wavelength corresponding to packet and tag information. The NxN AWG(Arrayed Waveguide Grating)(150) selects an output route.
Patent KR-20040003650-A (KR)
Title: Method for forming the Isolation Layer of Semiconductor Device
Inventor: WON YONG SIK
IPC: H01L21/76
Filed: 2002-07-03
Abstract: PURPOSE: A method for forming an isolation layer of a semiconductor device is provided to improve planarization efficiency by preventing dishing of a gap-fill oxide layer. CONSTITUTION: A silicon substrate(100) of a field region is exposed by using a pad oxide pattern(105) and a nitride pattern(110). A shallow trench is formed by etching the exposed silicon substrate. By sequentially forming a sacrificial nitride layer and an anti-reflective layer and performing etch-back, the substrate is selectively exposed. An oxide layer is formed by oxidation of the exposed substrate. After the sacrificial nitride layer is removed, a deep trench is formed. An isolation layer(180) is then formed by filling a gap-fill oxide layer in the deep trench and planarizing to expose the nitride pattern(110).
Patent KR-20040003796-A (KR)
Title: Cooling and Heating Device Using Hydrogen Storage Alloys
Inventor: CHA GANG UK
IPC: F25B17/12
Filed: 2002-07-04
Abstract: PURPOSE: A heating and cooling device using hydrogen storage alloys is provided to reduce flow resistance and noise by preventing a flow-boundary layer from being formed. CONSTITUTION: A heating and cooling device using hydrogen storage alloys comprises a housing(10) having air suction passages(11,12) for sucking in air from the outside, and indoor and outdoor exhaust passages(13,14) for guiding the heat-exchanged air to the room and to the outside; a pair of reactors(20,25) oppositely installed to the air suction passages inside the housing and filed with hydrogen storage; a switching plate(43) rotatably installed between the reactors, to separably guide the air passing through the reactors to the indoor and outdoor exhaust passages; a rotating unit to reciprocally rotate the switching plate within a predetermined angle range; indoor and outdoor blowing units(30,35) forcibly sucking in external air through the air suction passages and forcibly sending the air to the indoor and outdoor exhaust passages through each reactor; a hydrogen passage pipe(50) connected with the reactor; a pumping unit(60) connected to the hydrogen passage pipe to generate the forced sending force for forcibly sending hydrogen from one reactor to the other reactor; and a directional control valve(70) installed to the hydrogen passage pipe to control the forced sending direction of hydrogen.
Patent KR-20040004838-A (KR)
Inventor: KIM JU HYEONG
IPC: H03L7/08
Filed: 2002-07-05
Abstract: PURPOSE: A clock and data recovery circuit is provided to reduce the power consumption by recovering data according to a clock signal having a speed corresponding to a half of a speed of a clock signal. CONSTITUTION: A clock and data recovery circuit includes a phase detection circuit(210), a charge pump circuit(220), and a voltage-controlled oscillation circuit(230). The phase detection circuit(210) is used for receiving a data signal and the first to the fourth clock signals, comparing a phase of the data signal with phases of the first to the fourth clock signals. And then, the phase detection circuit generates the first and the second error signals in response to a compared result and outputs a recovery data signal. The charge pump circuit(220) is used for generating a voltage control signal in response to the first and the second error signals. The voltage-controlled oscillation circuit(230) is used for generating the first to the fourth clock signals in response to the voltage control signal and outputting a recovery clock signal.
Patent KR-20040005404-A (KR)
Title: Roll to Roll Manufacturing Method for Double side Flexible Printed Circuit Board
Inventor: WON U YEON
IPC: H05K3/46
Filed: 2002-07-10
Abstract: PURPOSE: A method for fabricating a double side flexible PCB using a roll to roll method is provided to enhance the yield and the productivity by performing all processes with the roll to roll method. CONSTITUTION: A soft copper laminated plate of a roll state is inputted(S31). A plurality of through-holes are continuously formed on the soft copper laminated plate according to a roll to roll method by using an UV laser drill(S32). A soft etching process is performed on the soft copper laminated plate having the through-holes by using the roll to roll method or the residues are removed from the through-holes by using a brush or a Z-scrubber(S33). An upper copper foil of the soft copper laminated plate is connected to a lower copper foil of the soft copper laminated plate by using an electroless plating device or a direct plating device(S34). A plating layer is formed on the soft copper laminated plate(S35). A dry film is adhered on the soft copper laminated plate by using the roll to roll method(S37). A circuit pattern is formed by performing an exposure process, a development process, and an etching process(S38-S40).
Patent KR-20040006266-A (KR)
Title: A ventilation apparatus air conditioner
Inventor: KIM SEONG HWAN
IPC: F24F1/00
Filed: 2002-07-11
Abstract: PURPOSE: A ventilating system of an air conditioner is provided to improve the appearance of the front side of the air conditioner and minimize breakdown in carrying the air conditioner by protruding only an edge of a rotor to the front of a front panel. CONSTITUTION: A ventilating system(80) of an air conditioner is composed of a rotor(82) rotatively arranged to a front panel(64) sucking in and discharging indoor air; a connection link(84) of which an end is rotatively connected to a part except for a rotational center of the rotor; and a plug(86) connected with other end of the connection link to interlock with the connection link and to open and shut a ventilating hole(57a) formed at the air guide in the rotation of the rotor. The edge of the rotor is protruded toward the front of an opening hole(64a) formed at the front panel.
Patent KR-20030085454-A (KR)
Title: Cosmetic brush assembly
Inventor: CHOI MAN SU
IPC: A45D40/26
Filed: 2002-07-18
Abstract: PURPOSE: A brush device for makeup is provided to expose a brush stored within a case to the outside by an opening operation of a cap for protecting the brush and store the exposed brush in the case by a simple construction. CONSTITUTION: The brush device for makeup has a first cylindrical member(110) with both ends being opened and a second cylindrical member(120) with a lower portion being slidably accommodated. The brush device for makeup comprises: a disc type supporting part(122-1); a gear stopping body(140); a hollow gear coupling member(130); a brush assembly(150); a length-variable member(122); a first elastic member(141); and a protecting cap(160).
Patent KR-20040008677-A (KR)
Title: Method of manufacturing semiconductor device
Inventor: CHOI BONG HO
IPC: H01L21/3205
Filed: 2002-07-19
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to prevent damage of a polysilicon layer by enhancing the etching selectivity of the polysilicon layer against a silicon oxide layer. CONSTITUTION: The first interlayer dielectric(21A), the first lower line(22A), the second interlayer dielectric(21B) and the second lower line(22B) are sequentially formed on a substrate(20). A nitride layer(23) is formed by nitridizing the surface of the second lower line. After forming the third interlayer dielectric(21C), a deep contact hole(C4) is formed to expose the first lower line(22A) and a shallow contact hole(C3) is simultaneously formed to expose the nitride layer.
Patent KR-20020071811-A (KR)
Inventor: HUH JAE HUN
IPC: G11B20/02
Filed: 2002-08-19
Abstract: PURPOSE: A storage medium storing catalog information, a system and a method for reproducing the catalog information are provided to freely inspect the contents of a catalog that a user desires from catalog information about audio data while reproducing the audio data stored in a DVD disc. CONSTITUTION: A method of reproducing data of a storage medium that stores audio data, catalog information related with the audio data, and catalog reproduction information connecting the audio data and the catalog information in case of reproduction includes a step of reproducing the catalog reproduction information, and a step of reproducing the audio data corresponding to the reproduced catalog information. A method of recording data in the storage medium includes a step of encoding the audio data, the catalog information related with the audio data, and the catalog reproduction information, and a step of recording the encoded audio data, encoded catalog information and encoded catalog reproduction information in the storage medium.
Patent KR-20040019411-A (KR)
Title: Virtual company business model by search project service
Inventor: PARK DONG HWA
IPC: G06F17/30
Filed: 2002-08-26
Abstract: PURPOSE: An implementation of a virtual company model through a search project service is provided to supply information for an engagement and an employment between a company and a special person and enable the company and the special person to supply a service necessary for processing a business such as a common design, a common development, a quality evaluation, and a cost calculation on an on-line for executing a project. CONSTITUTION: A job offering company registers project execution basic information such as a condition of a special person, and a job contents and method for processing a project. The special person registers one's career record and work conditions. A proper project participator is searched through an interactive search. The company selects a proper project participator on an on-line. The company and the selected participator(special person) process a preparation of a proposition and an execution of a project jointly on an on-line. After completing the project, participation details of the participator are collected and a cost thereof is calculated.
Patent KR-20030023481-A (KR)
Inventor: AOYAMA TETSUYA
IPC: G09G3/36
Filed: 2002-08-29
Abstract: PURPOSE: To provide a liquid crystal display device in an IPS display mode in which the liquid crystal responds speedily and also the color tone variation accompanied by fluctuation of a driving voltage is suppressed. CONSTITUTION: The liquid crystal display device comprising; a 1st substrate; a 2nd substrate arranged to be faced to the 1st substrate; a liquid crystal layer held between the 1st and 2nd substrates; a plurality of scanning lines arranged on the 1st substrate; signal lines arranged crossing the scanning lines on the 1st substrate; pixels formed corresponding to the areas enclosed by the scanning lines and the signal lines; pixel electrodes which are arranged on the 1st substrate and correspond to the signal lines; common electrodes which are arranged on the 1st substrate and correspond to the pixel electrodes; 1st active elements arranged at the intersections of the scanning lines and the signal lines and electrically connected to the signal lines and the pixel electrodes; and an insulating film arranged on the 1st substrate, is provided with ruggedness for varying the liquid crystal layer in thickness at least either on the 1st or 2nd substrate in a light transmission area in a same pixel.
Patent KR-20040020175-A (KR)
Title: The method which decodes the content file encoded by public key algorithm, and DRM client program which is independent of plug-in of viewer program
Inventor: KO JAE SUL
IPC: G06F17/00
Filed: 2002-08-29
Abstract: PURPOSE: A method for decoding a content file on a kernel mode by applying a public key encryption algorithm and a DRM(Digital Rights Management) client program not subordinated to the plug-in support of a viewer program by using the same are provided to improve stability by decoding an encrypted content file as a file system filter driver directly accesses a memory on the kernel mode, and complexly using a public key and a symmetric key for an encryption/decryption method. CONSTITUTION: In case of the contents for a plug-in supported viewer program, if an inquiry request of a viewer is received, plug-in gets the certification information by communicating with a server(7-9), decodes the certified contents(11), and permits the content inquiry(12). In the case of the contents for a plug-in non-supported viewer program, if the inquiry request of the view is received, the file system filter driver calls a DRM enabler(6e). The DRM enabler gets the certification information by communicating with the server, decodes the certified contents(10f), and permits the content inquiry(12).
Patent KR-20040022505-A (KR)
Title: Apparatus for cooperating with private branch exchange in integrated access device
Inventor: KO YEONG HUN
IPC: H04W84/16
Filed: 2002-09-09
Abstract: PURPOSE: An interworking device with a PBX in an IAD(Integrated Access Device) is provided to directly connect PCM data to a highway of a PBX, and to replace an SPI(Serial Port Interface) for exchanging information between a DSP and a CODEC and a logic for exchanging information between the CODEC and an SLIC(Subscriber Line Interface Circuit), thereby interworking with the PBX. CONSTITUTION: A DSP(10) connects PCM-related data to a highway of a PBX, and controls SLIC information through an SPI. A CPLD(Complex Programmable Logic Device)(22) directly supplies the SLIC information given through the SPI from the DSP(10) to a private exchange. The CPLD(22) transmits the SLIC information through the SPI, reads a state of an SLIC, reflects a detected hook-off state on a state of the SLIC, and generates a ring signal. A TMC(Trunk Module Controller)(24) interfaces between the CPLD(22) and the private exchange.
Patent KR-20040022566-A (KR)
Title: Memory device arranged memory cells having complementary data
Inventor: CHOI MUN GYU
IPC: G11C11/404
Filed: 2002-09-09
Abstract: PURPOSE: A memory device including memory cells having complementary data is provided to reduce the number of sense amplifiers and the power consumption by arranging a memory cell between a couple of memory cells and a complementary memory cell and connecting selectively the selected memory cell and the complementary memory cell to the sense amplifier. CONSTITUTION: A memory device including memory cells having complementary data includes a memory cell array block(610), the first sense amplifier(640), the second sense amplifier(650), the first switch(620), and the second switch(630). The memory cell array block(610) includes the first to the fourth memory cells and the first to the fourth complementary memory cells. The first sense amplifier(640) is arranged at a top end part of the memory cell array block. The second sense amplifier(650) is arranged at the end of the memory cell array block. The first switch(620) is used for connecting the first sense amplifier to bit lines between the first memory cell and the complementary memory cells or connecting the second sense amplifier to the bit lines between the second memory cell and the complementary memory cells. The second switch(630) is used for connecting the first sense amplifier to bit lines between the third memory cell and the complementary memory cells or connecting the second sense amplifier to the bit lines between the fourth memory cell and the complementary memory cells.
Patent KR-20040024966-A (KR)
Title: a device and method to test a bush for door hinge
Inventor: KIM JIN WOONG
IPC: G01M99/00
Filed: 2002-09-18
Abstract: PURPOSE: An apparatus and a method for inspecting a bush for a door hinge are provided to check existence and assembling state of the bush by performing only one step of a process. CONSTITUTION: A bush(30) to be inspected is coupled to a movable wing member(40) and conveyed into a lower portion of an inspection apparatus. An air chuck(20) is moved down so that a contact piece(9a) of an electrically conductive pin(9) presses an upper portion of the movable wing member(40) so as to fix the movable wing member(40). An inner chuck and an outer chuck(3) of an inspection tool(10) are aligned at the center of the bush(30). The inspection tool(10) is moved into the center of the movable wing member(40) so that the inner chuck is operated separately from the outer chuck(3).
Patent KR-20040025222-A (KR)
Title: Intergrated services management apparatus and method in W-LAN
Inventor: BANG JEONG HUI
IPC: H04L12/28
Filed: 2002-09-18
Abstract: PURPOSE: An apparatus and a method are provided to achieve improved user convenience and use efficiency of mobile data service. CONSTITUTION: An apparatus comprises an integrated wireless LAN service management unit for allowing for an integration of authentication, charging, and subscriber management, performing a MAC ID based authentication and real time charging service, providing a stable Internet service through a centralized management, and transmitting traffic data to a service management unit(34) and an operator connection unit(35); the service management unit for collecting traffic data and data processed in each unit, storing the analyzed data in an operation management database, and managing operation management data in a real time basis; the operator connection unit for receiving command from an operator, and transmitting the result of integrated service management in a wireless LAN to the corresponding operator; and a database management unit(36) for managing a subscriber database, an authentication database, a charge database, and an operating database, and providing the management status information.
Patent KR-20020079693-A (KR)
Inventor: CHOI SANG HUN
IPC: H04L12/66
Filed: 2002-09-19
Abstract: PURPOSE: A method for controlling a telephone using a USB(Universal Serial Bus) is provided to call the other party and grasp a current telephone state by easily confirming the telephone of the other party on a PC using the USB and clicking the telephone of the other party. CONSTITUTION: A PC maintains a hook-off state in an initial state(S600). The PC selects a telephone number of the other party from a program DB of a telephone control device(S610). The PC calls the telephone of the other party(S620). The PC confirms a state of the telephone of the other party(S630). In case that the telephone of the other party is not busy, the PC maintains a hook-on state of a call standby state(S640). The PC transmits telephone data to the telephone of the other party using a USB communication(S650). The telephone of the other party converts the received telephone data into a DTMF(Dual Tone Multi Frequency) and transmits the converted DTMF(S660). A user of the PC calls the other party(S670).
Patent KR-20030003136-A (KR)
Title: Sanitating apparatus for urinal
Inventor: AHN JUNG MIN
IPC: E03D13/00
Filed: 2002-10-01
Abstract: PURPOSE: A sanitary device of an urinal is provided to eliminate residual urine at particular area in body after passing the urine by compression-injecting the residual urine by way of heating air. CONSTITUTION: The sanitary device comprises a sensor(110) at one side of a urinal(1) to detect a particular portion of a body pushing out the urine; an arm(120) activating by means of the sensor(110) at the other side of the urinal(1); a heating-air injection portion(130) at front end of the arm(120) to remove the residual urine at the end part of the body portion discharging the urine by applying the heated-air injected from the injection portion(130). The device further has a water-injection portion(140) at the front end of the arm. The injection portion(130) is connected to a compressor(C), a storage tank(T) and a heater(H). Further, the water injection portion(140) is also connected to the compressor and the storage tank.
Patent KR-20030030912-A (KR)
Title: Method and apparatus for forming seams
Inventor: NISHI NOBUHIRO
IPC: B60N2/58
Filed: 2002-10-09
Abstract: PURPOSE: To perform sewing not to make stitch thread appear on a surface of a sewing material when putting the surfaces of two sewing materials together, sewing the ends, then turning the sewn part to an inner side and splitting open the sewing materials in a thick leather material such as an automobile seat or furniture. CONSTITUTION: By a cloth feeder for a sewing machine forming stitches, the stitches are successively formed on cloth by repeating processings of forming a plurality of the stitches by feeding the cloth in one direction for n+1 stitches or more and then forming the stitches by feeding it in the opposite direction for n stitches by the same feed amount.
Patent KR-20040035355-A (KR)
Title: A Case for Laying a person's ashes to rest
Inventor: PARK HUN EUE
IPC: A61G17/08
Filed: 2002-10-22
Abstract: PURPOSE: An ashes box is provided to prevent ashes contained in the ashes box from being deteriorated by forming a dual wall structure in the ashes box and providing charcoal in the dual wall structure. CONSTITUTION: An ashes box includes an ashes jar(20), an ashes box protection jar(30) and a charcoal member(40). The ashes jar(20) is provided at an inner portion thereof with a receiving section(21) for receiving ashes(11) therein. A first jar lid(23) is provided at an opening section(22) formed at an upper portion of the ashes jar(11). The ashes box protection jar(30) has a space section(31) for receiving the ashes jar(20) and the charcoal member(40) therein. A second jar lid(33) is formed at an upper portion of the ashes box protection jar(30). When the ashes jar(11) is accommodated in the ashes box protection jar(30), empty space is formed between the ashes box and jar. The charcoal member(40) is installed in the empty space.