baber/WOPTO huggingface dataset:
Patent KR-20000002529-A (KR)
Title: Frequency control circuit of dc-dc converter for liquid crystal display device usage
Inventor: YHU JUNG BUM
IPC: H02M3/155
Filed: 1998-06-22
Abstract: PURPOSE: A frequency control circuit of a DC-DC converter for liquid crystal display device usage is provided to have high stability for a loading change by adding a frequency control function to a pulse width modulation method. CONSTITUTION: The DC-DC converter comprises: a loading electric current detecting part(100) for detecting the loading current of a liquid crystal display device and for generating a first or a third electric current level signal according to the perceived current; a first and a second control signal for controlling upward and downward the frequency about a change of the loading current according to the screen display condition of the liquid crystal display device; a control part(200) generating a third or a fifth control signal for frequency changeable use at the same time in the blank section of a vertical locked signal; and a frequency changeable part(300) changing the frequency according to the loading change by inputting the control signal generated from the control part.
Patent KR-20000003766-A (KR)
Title: Combining structure of sensor substrate for motor
Inventor: SON JI CHANG
IPC: D06F37/30
Filed: 1998-06-29
Abstract: PURPOSE: A combining structure of a sensor substrate is provided to prevent the damage of an insulation covering coated for an insulation onto a coil by a sensor substrate contacted between slots of the stator for detecting the rotation speed of a motor of a washing machine. CONSTITUTION: The contacting structure of the sensor substrate of the motor having an isolation device to isolate a sensor substrate and a stator coil has: an isolation lib(112) formed in a slot of the stator; a contacting groove(113) formed between the isolation lib and a hanging projection to contact the sensor substrate.
Patent KR-19990013659-A (KR)
Title: 접이식 용기
IPC: B65D21/08
Filed: 1998-07-07
Abstract: 접이식 용기(10)는 절첩식의 제3 벽(16)에 의해 연결되는 제1 벽(12)과 제2 벽(14)을 포함한다. 제3 벽(16)은 각각 접혀지고 확장될 수 있는 내측 벽(20)과 외측 벽(22)을 포함한다. 적어도 하나의 스프링(60)이 내측 벽(20)과 외측 벽(22)의 사이에서 제1 벽(12)과 제2 벽(14)을 떨어지게 하도록 제1 벽(12)과 제2 벽(14)의 사이에서 연장한다. 또한 손잡이 끈(62)은 스프링(60)의 힘에 반작용하도록 제1 벽(12)과 제2 벽(14)의 사이에서 연장한다. 제1 벽(12)과 제2 벽(14)의 사이에서의 손잡이 끈(62)의 길이는 완전히 접혀지고 완전히 확장되는 위치의 사이에서 조절할 수 있다. 손잡이 끈(62)의 길이는 손잡이 끈(62)이 잠금 장치(64)에 의해 제2 벽(14)에 대해 유지되고, 제2 벽(14)에 활주하며 물리기 때문에 조절할 수 있다. 잠금 장치(64)는 제2 벽(14)에 대해 그 위치를 고정하기 위해 손잡이 끈(62)에 통상적으로 물리지만 제2 벽(14)이 제1 벽(12)으로부터 떨어져 움직이도록 해제될 수 있다. 또한, 잠금 장치(64)는 제2 벽(14)이 제1 벽(12)을 향하여 움직여지기 위해 해제될 필요가 없도록 구성된다.
Patent KR-20000007851-A (KR)
Title: Switching mode power supply having both power source
Inventor: KIM SI JIN
IPC: H02M3/335
Filed: 1998-07-07
Abstract: PURPOSE: The power supply removes the surge phenomenon occurred in power on-off or mode conversion, by separating the power supply port into a high voltage port and a low voltage port. CONSTITUTION: The power supply in a display device outputs a PWM(Pulse Width Modulation) pulse, whose duty is determined by a DC voltage from the external, to a switching output part(312, 352) and supplies the DC voltage of different intensity generated in the secondary side to a load circuit according as a switching transformer is switched. The power supply comprises: a low voltage switching mode power supply(350) generating many low voltages on the secondary side according as the DC voltage is inputted from the external; and a high voltage switching mode power supply(310) stopping the high voltage being generated on the secondary side temporarily by generating a high voltage on the secondary side according as the DC voltage is inputted from the external.
Patent KR-20000007871-A (KR)
Title: Repair etching method of semiconductor device
Inventor: KIM SAN GUK
IPC: H01L21/306
Filed: 1998-07-08
Abstract: PURPOSE: A repair etching method of an oxide layer is provided to maintain uniform thickness of the remaining oxide layer after a repair etching process using an oxide layer as an etch-stop layer. CONSTITUTION: The method comprises the steps of forming a lower insulating layer on a lower conductive layer over a semiconductor substrate including a cell region, a peripheral circuit region, and a repair box region; forming a silicon nitride layer on the lower insulating layer; selectively removing the silicon nitride layer on the peripheral circuit region using a photolithography process; forming an interlayer insulating film on an overall surface of the semiconductor substrate; performing a conventional self-aligned contact etching process; performing a conventional following device fabrication process; and performing a repair etching process for exposing a top of a repair fuse in the repair box region.
Patent KR-19990023208-A (KR)
Title: 듀얼 프로세서 모드 메모리 컨트롤러
IPC: G06F13/28
Filed: 1998-07-15
Abstract: 공유 멀티 프로세서 시스템에서, 순차 버스트 프로토콜이나 인터리브 버스트 프로토콜을 이용하여 I/O 디바이스들과 프로세서들 간의 캐시 라인 버스트 전송을 지원함으로써 제조시에 하드웨어 변경 비용을 최소화할 수 있는 메모리 컨트롤러가 설계된다.
Patent KR-20000009224-A (KR)
Title: Sanitary fabric and dish towel
Inventor: NO SEONG-HOON
IPC: D03D3/00
Filed: 1998-07-22
Abstract: PURPOSE: A sanitary fabric and a dish towel which are made from superfine brass fiber having excellent sterilizing and deodorizing performance. CONSTITUTION: A sanitary fabric(1) is woven warps that are twisted the superfine brass fiber and pure cotton yarn, with wefts that is also pure cotton yarn. A brass fiber(3a) can be one strip or three strips, and the superfine brass fiber can be used for a wrap(3) and a weft(2). The sanitary fabric is used for an underwear, the lining of a skirt or a pants, an unwoven fabric for an antiphlogistic, a bandage or a tablecloth that are contacted on food or human bodies, so as to kill various germs.
Patent KR-19990014198-A (KR)
Title: 용적형 유체기계
IPC: F04C18/04
Filed: 1998-07-27
Abstract: 용적형 유체기계에 관한 것으로서, 실운전시에 성능의 저하를 억제할 수 있는 용적형 유체기계를 제공하기 위해서, 끝판 사이에 디스플레이서와 내측을 향해 돌출하는 돌출부를 갖는 실린더를 배치하고, 실린더중심과 디스플레이서중심을 일치시켰을 때 실린더 내벽면 및 디스플레이서 외벽면에 의해 1개의 공간이 형성되고, 디스플레이서 및 실린더의 위치관계를 선회위치에 두었을 때는 여러개의 공간이 형성되는 용적형 유체기계에 있어서, 적어도 한쪽의 끝판과 돌출부를 고정하는 구성으로 하였다. 
     이러한 구성에 의해, 실운전시에 성능의 저하를 억제할 수 있다는 효과가 얻어진다.
Patent KR-20000013782-A (KR)
Title: Composition for antibacterial unsaturated polyester forms
Inventor: KIM KONG SU
IPC: C08L67/02
Filed: 1998-08-13
Abstract: PURPOSE: A composition for antibacterial unsaturated polyester products comprises an unsaturated polyester resin as a fundamental component and provides the antibacterial function on the surface of plastic bath tub, front tub shielder, closet and washstand. CONSTITUTION: A composition for antibacterial unsaturated polyester products comprises: based on 100 parts by weight of an unsaturated polyester resin, 40 parts by weight of styrene, 1-30 parts by weight of acrylate-based monomer and 0.01-10 parts by weight of metal compound added to a known gel coating composition comprising 0.5-10 parts by weight of a hardener and 0.5-5 parts by weight of an enhancer, the acrylate-based monomer being selected from the group consisting of acrylate, metacrylate, methylmetacrylate, ethylacrylate, n-butylacrylate, 2-ethylhexylacrylate, 2-hydroxyethylacrylate, phenylacrylate, ethyleneglycolmethacrylate and propyleneglycoldimethacrylate.
Patent KR-20000015035-A (KR)
Title: Capacitor forming method
Inventor: JEON YOU CHAN
IPC: H01L27/108
Filed: 1998-08-26
Abstract: PURPOSE: A capacitor forming method is provided to increase electric charging capacity and improve economic efficiency. CONSTITUTION: The method comprises the steps of: forming a first insulating layer having a contact hole on a substrate, forming a first conductive layer in the contact hole, a second insulating layer, a second conductive layer and a third insulating layer is formed on the first conductive layer and a first insulating layer, forming masking material on a part to form a lower electrode of the third insulating layer, selectivity etching the third insulating layer, forming a lower electrode by selectivity etching the second conductive layer using the masking material as a mask, etching the second insulating layer, removing the third insulating layer and the masking material, and forming a dielectric layer and an upper electrode on the lower electrode layer.
Patent KR-20000018759-A (KR)
Title: Freeze preventing method of freeze examine lever
Inventor: KIM YONG SIK
IPC: F25C1/24
Filed: 1998-09-04
Abstract: PURPOSE: Freeze preventing method of a freeze examine lever is provided to prevent the freezing in a work unit of a freeze examine lever by making the lever move upwards and downwards during a specific time if it reaches the set temperature and humidity. CONSTITUTION: A freezing of a freeze examine lever is prevented by the steps of: judging if the temperature and humidity of a refrigerator reaches the set value when completing the water feed stroke to an ice making container; on/off the action of a freeze examine lever during a first set time(T1) if it reaches the set value; judging if the ice making stroke is completed by passing a second set time(T2) after finishing the action of the lever; judging if the container is filled with ice after completing the ice making stroke; and returning to the first step after performing the ice separating stroke if it is not filled with ice and otherwise, judging if a third set time(T3) is passed.
Patent KR-20000018782-A (KR)
Title: Freezing sensor of refrigerator
Inventor: KWON HYUN MIN
IPC: F25D11/00
Filed: 1998-09-04
Abstract: PURPOSE: A freezing sensor is provided to sense if the surface of an evaporator is frozen or not in order to surely conduct the defrosting step of the evaporator. CONSTITUTION: A refrigerator is divided into a freezing chamber(20) and a cooling chamber(40) and the freezing chamber has a heat exchanging chamber(30) installing an evaporator(32) in the rear. The evaporator installs a freezing sensor(50) in the lower end and the freezing sensor contains a heat conductive plate(52) which is installed in one side of the evaporator to deliver the temperature of the evaporator and a temperature sensor(58) which is installed in a recessed groove(51) formed inside the heat conductive plate. Also, the heat conductive plate is molded with a high heat conductive material to deliver the temperature of the evaporator well and molds the groove that inserts the temperature sensor.
Patent KR-19990029625-A (KR)
Title: 카트용 브레이크기구
IPC: B62B5/02
Filed: 1998-09-08
Abstract: 에스컬레이터 상에서 확실하게 브레이크가 걸린 상태로 되는 카트의 브레이크를 제공하여 에스컬레이터 상의 카트의 낙하를 억제한다. 
     카트(1)는 에스컬레이터에 진입한 후 에스컬레이터와 함께 승강하는 카트로서, 카트본체(2)와, 전후륜(前後輪)(4,5)과, 수동브레이크기구와, 자동브레이크기구를 구비하고 있다.  전후륜(4,5)은 카트본체(2)에 장착된다.  수동브레이크기구는 조작자의 조작에 의하여 후륜을 제어한다.  자동브레이크기구는 에스컬레이터 상에 후륜(5)이 접지(接地)되어 있을 때에 자동적으로 후륜의 회전을 규제한다.
Patent KR-20000025569-A (KR)
Title: Wide viewing angle liquid crystal display
Inventor: KIM KYUNG HYUN
IPC: G02F1/1333
Filed: 1998-10-13
Abstract: PURPOSE: A liquid crystal display is provided to extend an align margin of upper and lower substrates with increase of a degree of freedom in forming an opening part pattern by forming a certain pattern on a common electrode and a pixel electrode. CONSTITUTION: A first gate line(11) is formed on a lower substrate. A first independent wiring (12) is formed on the lower substrate. A data line(13) is insulated and crossed with the first gate line(11) and the first independent wiring(12). Pixel electrodes(14) are insulated and crossed with the first independent wiring(12). An opening pattern(15) is formed in a shape dividing the pixel electrodes(14) into plural regions. The pixel electrodes(14) are in an edge-recessed shape. A boundary line of the opening pattern(15) and a boundary line of the pixel electrodes(14) are bent or curved with an obtuse angle.
Patent KR-19990037293-A (KR)
Title: (메트)아크릴 단량체의 음이온성 중합을 통한 신규한 유동점 강하제
IPC: C10N30/02
Filed: 1998-10-22
Abstract: 본 발명은 (메트)아크릴 단량체의 특정 조합의 음이온성 공중합으로 수득된 윤활 점성유에 대한 유동점 강하제로서 유용한 신규한 공중합체에 관한 것이다.    본 발명의 유동점 강하제를 형성하는데 사용되는 음이온성 중합법은 WO 96/23008(미국 특허 제 08/378,978, 1995 년 1 월 27 일자 출원)에 기재되어 있다.     아크릴레이트 및 메트아크릴레이트의 음이온성 중합 또는 공중합 공정에 있어서, 단량체 또는 공단량체를 동시에 또는 빠른 연속적인 방법(적가법은 아님)으로 음이온성 중합 반응 매질에 가한다.
Patent KR-20000027708-A (KR)
Title: Method for forming metal wire of semiconductor devices
Inventor: CHO KYUNG SU
IPC: H01L21/768
Filed: 1998-10-29
Abstract: PURPOSE: A metal wire formation method using degassing process is provided to stabilize a via resistance and improve a reliability by preventing protrusion of metal to a via hole when degassing process. CONSTITUTION: A stop layer is formed on a lower metal wire(21) having an oxide layer(22) and a barrier metal(23). For preventing the lower metal wire(21) from protrusion into a via hole due to thermal expansion, the stop layer has multi-layers composed of a refractory metal(26), such as Mo, Co, Ta having high resistivity compared to the lower metal(21), and titanium nitride layers(25,27) formed on upper and lower of the refractory metal(26). Then, an interlayer dielectric(29) having a via hole is formed on the resultant structure. An upper metal wire(32) is connected to the stop layers(25,26,27) through the via hole.
Patent KR-20000031144-A (KR)
Title: Telephonic conference communication apparatus in exchanger
Inventor: PARK JONG HYUK
IPC: H04M3/56
Filed: 1998-11-03
Abstract: PURPOSE: A telephonic conference communication apparatus is provided to implement a hardware for an algebra calculation in place of a DSP(digital signal processor) core, simplify a memory controlled by a CPU and make possible an easy adjustment of a gain. CONSTITUTION: The telephonic conference communication apparatus comprises an input buffer(10), a telephonic conference communication processor(20), an output buffer(30), a CPU interface logic device(40), a conference communication control memory(50), and a timing control logic device(60). The input buffer(10) temporarily stores a plurality of serial PCM data into parallel data. The telephonic conference communication processor(20) elongates the stored PCM data, adjusts the gain on the data, and compresses it. The output buffer(30) converts the parallel PCM data into a serial PCM data. The CPU interface logic device(40) transmits the control signal of the CPU, which the conference communication control memory(50) stores, and transmits to the timing control logic device(60).
Patent KR-20000032346-A (KR)
Title: Method of saving paper for receipt printer
Inventor: LEE KWANG RYUL
IPC: G07G1/00
Filed: 1998-11-13
Abstract: PURPOSE: A method for saving paper of receipt printer is provided to print necessary data on one receipt sheet to save the paper by printing remained data using remained paper. CONSTITUTION: First, a receipt printer of the present invention decides exchange time for printer paper. If yes, the receipt printer notifies the exchange time by driving a displayer and decides whether a cover of the receipt printer is opened or closed. If the cover is opened, the receipt printer decides there is an instruction that a remained paper is continuously used to print out. If yes, the receipt printer decides that the paper is remained. Next, if the paper is remained, the receipt printer decides to print 1 line of the data for printing and to perform printing operation continuously. If the printing operation is performed continuously, the receipt printer prints the remained data line by line and outputs the receipt when the printing operation is stopped. The receipt printer checks there is a new instruction printing a new receipt using the remained paper. If the instruction is instructed, the receipt printer checks the amount of remaining paper and repeatedly performs the steps described as above.
Patent KR-20000037609-A (KR)
Title: Method for editing bell sound type of reception signal in cellular phone
Inventor: KONG SEONG HWA
IPC: H04B1/40
Filed: 1998-12-01
Abstract: PURPOSE: A method for editing a bell sound type of a reception signal in a cellular phone is provided to allow a user to input a musical note and scale and thus edit the bell sound type thereof as a desired one, thereby reducing confusion due to the same bell sound provided by the same company. CONSTITUTION: It is determined whether a function of editing the bell sound type by a user is selected(300). If the function is selected, the edit screen is displayed on a displayer(310). It is determined whether a function of deleting the bell sound type is selected(320). If the deletion function is selected, a bell sound type selected by a user is deleted from a memory(321,322). It is determined whether a function of modifying the bell sound type is selected(330). If the modification function is selected, a bell sound type to be modified is selected(331,332). If the modification function is not selected, a name of a new bell sound type for the reception signal is inputted(340). The musical note and scale corresponding to the new bell sound type are inputted(360). The inputted musical note and scale are stored in a memory as the name thereof(390).
Patent KR-20000040618-A (KR)
Title: Method of manufacturing titanium-added austenite stainless hot-rolling steel material
Inventor: LEE JONG SEOK
IPC: C21D8/02
Filed: 1998-12-18
Abstract: PURPOSE: A method of manufacturing titanium-added austenite stainless hot-rolling steel material is provided to improve corrosion resistance and productivity by omitting heat treatment for annealing and stabilizing. CONSTITUTION: A steel slab consists of less than 0.08wt% of carbon, 17-19wt% of chrome, 9-13wt% of nickel, less than 1.0wt% of silicon, less than 2.0wt% of manganese, less than 0.5wt% of titanium, 5*Cwt% of titanium and the rest such as iron and other impurities. A hot-rolling steel material is fabricated by hot-rolling the steel slab. After hot-rolling the steel slab at a temperature over(6120/(3.693-log(C)))-273°C, the steel slab is cooled at a regular cooling temperature to be kept for over 15 minutes at a temperature between(7000/(2.75-log(Ti)-log(C)))-273°C and((6120-(3.693-log(C)))-273°C.
Patent KR-20000041045-A (KR)
Title: Chip-type electric power divider
Inventor: SHIN JI HWAN
IPC: H01P5/00
Filed: 1998-12-21
Abstract: PURPOSE: A chip-type electric power divider is provided to obtain desired frequency characteristics and minimize the size by constructing plural substrates into a single chip through electrical connections of patterns of respective layers. CONSTITUTION: At least one inductor substrate(322, 324, 326) is laminated on a lower insulating substrate(310) and printed with double patterns(P21, P22) of open conductive patterns. An upper insulating substrate(340) is laminated on the inductor substrate(322, 324, 326). The inductor substrate(322, 324, 326) between the lower and upper insulating substrates(310, 340) is laminated on the lower insulating substrate(310). Two open conductive patterns forms double patterns(P21, P22). One end of each pattern forms input connection parts(IN1, IN2) and the other end forms pattern connection parts(T21, T22).
Patent KR-20000041807-A (KR)
Title: Method for forming contact plug of semiconductor device
Inventor: JEONG GU CHEOL
IPC: H01L21/28
Filed: 1998-12-23
Abstract: PURPOSE: A method for forming a contact plug is to simplify a process by forming an etching mask pattern in line type on a conductive layer to remain a contact plug and controlling a line width according to width and length of a removed conductive layer. CONSTITUTION: A method for forming a contact plug comprises the steps of: forming a word line(51) comprising an impurity diffusion region, a cap insulation film, a gate line, a gate insulation film and a gate sidewall spacer(52) in a first direction on the semiconductor device defining an active region(53), a field region and a bit line contact region; forming many plugs which fully bury a space between the word lines and are flush with a surface of the cap insulation surface with a conductive material; forming a first mask layer above the plug in a part extending from the bit line contact region to the field region in a predetermined length; forming a line type second mask layer crossing the field region in a second direction perpendicular to the first direction on the substrate to cover the active region; and removing the plug in an area unprotected by the first mask layer and the second mask layer.
Patent KR-20000041992-A (KR)
Title: Polycarbonate-based thermoplastic resin composition having flame retardancy
Inventor: SHIN JUN HYEOK
IPC: C08L51/00
Filed: 1998-12-24
Abstract: PURPOSE: A polycarbonate-based thermoplastic resin composition having flame retardancy is provided which by mixing a phosphate ester with aluminum hydroxide in an appropriate ratio, has excellent heat resistance even though the amount of the phosphate ester is reduced. CONSTITUTION: A polycarbonate-based thermoplastic resin composition having flame retardancy comprises (A) 45 - 95 % by weight of a thermoplastic polycarbonate resin containing no halogen, (B) 5 - 50 % by weight of a grafted copolymer resin having a rubber-modified styrene containing no halogen, (C) 0 - 30 % by weight of a copolymer resin having styrene containing no halogen, (D) a phosphate ester compound, (E) aluminum hydroxide, and (F) a fluorinated polyolefin-based resin, wherein, with respect to 100 % by weight of (A) + (B) + (C), (D) + (E) is 2 - 20 % by weight and (F) is 0 - 2 % by weight, and in (D) + (E), the ratio of (D) to (E) ranges from 50 : 50 to 90 : 10.
Patent KR-20000042246-A (KR)
Title: Compost generation device
Inventor: SAIDO MITTUO
IPC: C05F9/02
Filed: 1998-12-24
Abstract: PURPOSE: A compost generation device is prepared which transfers raw materials inside a fermentation tank drum that occupies 70-80% volume with the help of a flat board wing and two screw wings so that the fermentation situation is optimally maintained and the compost is efficiently generated. CONSTITUTION: A compost generation device contains the following parts of: a cylindrical outer circumference wall(6) that is made of a metal net; a guide part that is installed inside the drum to transfer raw materials(2); a drop hopper(3) that is set up in the upper part of one edge of the fermentation tank drum(5) to drop raw materials; an exit hopper that is set up in the other edge of the fermentation tank drum to discharge composts; and a steam pipe(14) with a small diameter which is installed on the center axis of the fermentation tank drum to send an air.
Patent KR-20000042500-A (KR)
Title: Method for removing water from impregnating solution by electrolysis
Inventor: CHOI YEONG SUK
IPC: C25B1/00
Filed: 1998-12-26
Abstract: PURPOSE: A method for removing moisture from an impregnating solution to prevent the concentration drop of an impregnating solution by inhibiting hygroscopic capacity using electrolysis is provided which can elevate the concentration of the impregnating solution and improves the leakage current characteristics of products. CONSTITUTION: A method comprises (a) impregnating a manganese nitrate solution (Mn(NO3).xH2O) in an atmosphere having a temperature of 40 ±2°C, a relative humidity of 60 to 70% and a specific gravity of 1.85 in an electrolytic cell, (b) forming the plus terminal (38) of the power source in an impregnating solution, (c) forming the minus terminal (40) in one side of the electrolytic cell, and applying voltage across electrodes of an anode and a cathode to remove moisture contained in the impregnating solution. The specific gravity of the impregnating solution after electrolysis is maintained to be 1.85.