baber/WOPTO huggingface dataset:
Patent KR-20000016390-A (KR)
Title: Silica capable of being used in toothpaste compositions
Inventor: AMICHE FREDERIC
IPC: A61K8/66
Filed: 1997-06-04
Abstract: PURPOSE: A precipitation silica for polishing having an average diameter of particle over 10 micrometers and good particle cohesion factor and a manufacturing method thereof are provided. CONSTITUTION: The invention discloses an abrasive precipitation silica useable in toothpaste compositions, said silica having a BET specific surface ranging from 15 to 300 m2/g, a DOP oil absorption ranging from 40 to 160 ml/g, a median particle diameter of at least 10 micrometers, generally ranging from 12 to 30 micrometers, a particle cohesion factor of at least 85 % about for a median particle diameter ranging from 12 to 20 micrometers. Method for preparing silica by reacting an alkaline metal silicate with an acidifying agent, to form a silica slurry, separating and optionally drying the recuperated silica suspension, the operation for forming the slurry being effected according to the following steps:a first step consisting in using one initial heel solution constituted of water, an electrolyte salt of the alkaline or alkaline-earth metal group; a second step consisting in introducing the silicate and the acidifying agent, the reaction medium pH remaining constant from 4 to 7 and particularly from 5.8 to 6.7; and a third optional step, consisting in acidifying the reaction medium until a silica slurry with a pH of less than 6 and particularly of 4 is obtained. The silica is useful in toothpaste compositions. Toothpaste compositions containing the said silica are also disclosed.
Patent KR-20000016722-A (KR)
Title: Method for manufacturing shaped wafers, an intermediate product and a wafer obtained by this method, and an associated mould
Inventor: ROSSO REANTO
IPC: A21D13/08
Filed: 1997-06-12
Abstract: PURPOSE: A method for manufacturing shaped wafers is shaped, for example, as a basin(C) having much thinner walls CONSTITUTION: The method for manufacturing shaped wafers includes substantially flat base part(A), shaped parts and provided the moulding means(2,3) forming the space together. The shaped parts (C) have a thickness of the order of, for example, 1 - 1.5 mm compared with the significantly greater thickness, of the order of 2.2 - 2.5 mm, of the base part (A). In this way it is possible to extract the intermediate product (P) from the cooking mould safely and without the risk of breakage, even when the shaped parts (C) have much thinner walls.
Patent KR-20000065251-A (KR)
Title: 디지털 씨엠오에스 프로세스에서 시간적으로 연속적으로 필터링하는 방법 및 장치
IPC: H03H11/04
Filed: 1997-06-27
Abstract: 디지털 CMOS 프로세스에서는 레지스터와 캐패시터를 이용할 수 없고 종래의 방법을 이용하여 연속적인 시간 필터를 설계할 수 없고 실행할 수 없다. 따라서, 디지털 CMOS 프로세서에서 간단한 디지털 장치에 대해 연속 시간 필터를 설계하는 경우에 전압-전류 변환기에서 필터링 기능을 전류 미로를 이용하여 실현하는 것이 제안되어 있다. 따라서, MOS 트랜지스터(6)의 트랜스 컨덕턴스와 게이트에서 볼수 있는 캐패시터(8)의 캐패시턴스에 의해 폴 주파수가 결정된다. 이 응용에서, 디지털 CMOS에서 연속적인 시간 필터를 설계하는 일반적인 방법과 캐스케딩하는 방법은 폴 주파수의 확산을 감소하도록 제안되었다.
Patent KR-20000050334-A (KR)
Inventor: WOO JONG KIL
IPC: A47F5/13
Filed: 1999-01-06
Abstract: PURPOSE: A bracket-A for display stand is provided to improve previously designed bracket in which bolts and screws should be disassembled by some tools to control the height of the display stand. CONSTITUTION: A bracket for display stand comprises a fixing socket for a prop of the display stand, a fixing socket for a hanger pipe, a joint device for a socket. The way of fixing a fixing socket of the prop to a prop comprises the steps of; inserting a lower socket(9), a pressing device for a prop(6) and an upper socket(2) in order; adhering closely the upper socket to the lower socket between a pressing device for a prop(6) and rotating each other to make the screw thread(5,7) joined, then the upper socket goes into the lower socket and pushes a pressing device for the prop upto a pressing taper of the lower socket(8); rotating both screw thread(5,7), then a pressing taper of the upper socket(4) and a pressing taper of the lower socket(8) are pushed upto inclined taper of a pressing device for the prop(6), thereby a pressing device for the prop(6) presses the prop and a fixing socket for the prop is attached to the prop, thereby, a hanger socket(4) is joined by the joint of a fixing screw for the hanger socket(13) and a fixing screw hole for the hanger socket.
Patent KR-20000051879-A (KR)
Inventor: PARK JIN WOO
IPC: G11B5/09
Filed: 1999-01-27
Abstract: PURPOSE: A compensation recording apparatus and method of a digital magnetization recording signal is provided to normally restore a digital pulse recorded with high density in its original recording pulse form in reproducing it by compensating and magnetization-recording the digital pulse in advance before recording it. CONSTITUTION: A signal delay(333) delays an inputted signal for a predetermined time. A first and a second gain compensators(332,335) compensate a gain of the inputted signal and output it. A first subtracter(334) subtracts the signal delayed for a predetermined time from the inputted signal. An adder(336) adds the signals outputted from the first and the second gain compensators(332,335).
Patent KR-19990078058-A (KR)
Title: 염안 정성양 이온성 실리콘 수중유 마이크로 에멀션
IPC: C08L83/04
Filed: 1999-03-19
Abstract: 본 발명은 (A) 양이온성 계면활성제에 의해 마이크로에멀션 중에 안정화된 폴리실록산을 함유하는 수성 수중유 마이크로에멀션(aqueous oil-in-water microemulsion)인 실리콘 성분 및 (B) 무기염 또는 유기염을 함유하는 조성물에 관한 것이다.  양이온성 마이크로에멀션 중의 폴리실록산은 입자 직경이 100nm 미만, 바람직하게는 40nm 미만이다.  폴리실록산은 폴리디메틸실록산 또는 아민 관능성 폴리실록산, 바람직하게는 에멀션 중합에 의해 제조된 폴리실록산이다.  당해 조성물은 바람직하게는 염을 20중량% 이상 함유한다.
Patent KR-20000061222-A (KR)
Inventor: LEE MOK SANG
IPC: H01H9/18
Filed: 1999-03-24
Abstract: PURPOSE: A method for controlling inputted keys is provided so that users can easily identify the inputted keys by immediately performing operation commands when peripheral brightness is bright for identifying the keys, and by supplying luminant light to the keys when the brightness is not enough. CONSTITUTION: A micro computer decides whether a key signal is inputted. If so, a buzzer is driven by the micro computer to generate a signal sound. If an optical sensor outputs a signal, present peripheral light is decided whether the light is over a reference light value. If so, an operation command of a corresponding key is performed. If the present peripheral light is less than the reference value, a back light unit is driven to supply luminant light to a key input circuit. Whether the key signal is re-inputted within a setup time is decided. If so, an operation command of a corresponding key is performed. If the key signal is not re-inputted, the back light unit is turned off.
Patent KR-20000061944-A (KR)
Inventor: LEE CHANG JIN
IPC: A47G19/22
Filed: 1999-03-27
Abstract: PURPOSE: A device is provided to allow users to drink beverage through the straw in a convenient and pleasant manner while preventing the straw from being slipped during movement. CONSTITUTION: A device(1) for fixing straw to beverage cup is made up of a plastic or other resilient material and is supported by a beverage cup(4). The device comprises a straw fixing hole(3) made up of resilient material for a tight coupling with a straw and which has an open portion. Thus, when a user moves with the beverage cup having a straw inserted therein, the straw is prevented from being slipped from the cup.
Patent KR-20000066351-A (KR)
Inventor: JUN CHANG UK
IPC: H04R1/02
Filed: 1999-04-15
Abstract: PURPOSE: A multiple damper apparatus of a speaker system for an image display device is provided to minimize the vibration of a system to a cabinet so as to increase the quality of sound. CONSTITUTION: A multiple damper apparatus of a speaker system for an image display device includes a cover-frame combined speaker(1), a rear cover(2), a vibration attenuator(3) and a multiple vibration damper. The cover-frame combined speaker(1) includes a cover frame and a speaker. The rear cover(2) is attached to a rear portion of the cover-frame combined speaker and includes vibration damper container(200) at the upper and lower portion thereof, respectively. The vibration attenuator(3) is inserted in a container sphere of the vibration attenuator and attenuates the vibration to a cabinet. The multiple vibration damper is implemented between the cover-frame combined speaker and the cabinet and blocks the vibration generated at the speaker from being transferred to the cabinet.
Patent KR-20000066954-A (KR)
Inventor: HUH MIN
IPC: H01L21/8242
Filed: 1999-04-22
Abstract: PURPOSE: A method for manufacturing a dynamic random access memory(DRAM) device is provided to prevent a storage electrode conductive layer from remaining in a frame region, by forming a contact plug. CONSTITUTION: A conductive layer pattern(22) is formed on a semiconductor substrate(21). A first interlayer dielectric(23) is formed on the semiconductor substrate and conductive layer pattern to expose a central portion of the upper surface of the conductive layer pattern. A contact plug(24) is formed on the first interlayer dielectric and conductive layer pattern. The contact plug is polished by a chemical mechanical polishing(CMP) process until the first interlayer dielectric is exposed. A second interlayer dielectric(26), a sacrificial oxidation layer(28) and a storage electrode conductive layer are sequentially formed. The storage electrode conductive layer is eliminated by a CMP process.
Patent KR-19990083518-A (KR)
Title: 두개의고형체의접합방법및이로부터수득된구조요소
IPC: C09J5/04
Filed: 1999-04-27
Abstract: 본 발명은 황 함유 오가노실란의 단분자 층(monomolecular layer)으로 먼저 피복된 사실상 평활한 표면에 의하여 두개의 고형체(solid body), 특히 규소의 두개의 고형체를 접합(joining)시키는 방법 및 이로부터 수득한, 마이크로전자공학 또는 마이크로기계학 분야에 사용할 수 있는 고형체에 관한 것이다.
Patent KR-19990088094-A (KR)
IPC: C11D3/22
Filed: 1999-05-07
Abstract: 역청 기질(bituminous substrate)용 마스틱(mastic) 코팅 시스템의 품질은 물-불용성 라텍스 중합체로 이루어지는 상부 코팅 조성물 및/또는 결착코팅(tiecoat) 조성물의 사용을 통하여 개선된다.  상기 라텍스 중합체는 Tg가 -25∼20℃이며, 
     (a)(C 8 ∼C 24 )알킬 (메트)아크릴레이트로 이루어진 그룹으로부터 선택된 최소 하나의 소수성 단량체 최소 20중량%; 
     (b)최소 하나의 비닐 방향족 단량체 0 혹은 최대 45중량%, 
     여기서 (a)와 (b)의 중량합은 단량체 혼합물의 최소 25중량%를 이루며; 
     (c)(C 1 ∼C 4 )알킬 (메트)아크릴레이트로 이루어지는 그룹으로부터 선택된 최소 하나의 단량체 0 혹은 최대 75중량%; 및 
     (d)아크릴산 혹은 메타크릴산으로 부터 선택된 최소 하나의 단량체 0 혹은 최대 5중량%;로 이루어지는 단량체 혼합물로부터 제조되며, 
     여기서 (b)가 단량체 혼합물내에 존재하지 않는다면, (d)의 양은 0 혹은 최대 3중량%미만의 범위내에 있다. 
     상기 마스틱 코팅 시스템은 코팅이 고인 물에 노출될 때 개선된 접착력 및 블리스터링 저항성을 갖으며, 역청 기질로부터 화학 약품이 배어나는 것을 감소시킬 수 있다.
Patent KR-19990064842-A (KR)
Title: 분골석고자화상(粉骨석고自畵像)
Filed: 1999-05-13
Abstract: 1. 본 발명은 고인의 유골로 깨끗하고 간편하게 분골석고 자화상을 만들어 각 가정에서 영구 보관하며 조상을 모시는 것이다. 
     2.고인의 화장한 유골을 80메쉬의 입자로 분말화하여,포발알콜및eva 화공 약품에 혼합하여 고인의 형상을 빚어 160℃에서 응고시킨다음 고인의 초상을 그려 투명 16×23cm의 깨지지 않는 유리관 속에 안착시켜 각 가정에서 보관,늘 함께 생활하며,기일 때 제상위에 모셔놓고 제를 올리며 후손들에게 효행 사상을 고취시킴은 물론 강산의 파괴와 오염을 막고 간편하게 가지고 다니며 조상을 모시는데 특징이 있다.
Patent KR-19990088320-A (KR)
IPC: G02B6/04
Filed: 1999-05-15
Abstract: 필요한 최소한의 광경로 길이차를 갖는 광섬유들을 포함하는 광섬유 다발에 의해 코히런트 광의 코히런스의 감소를 실현하기 위하여, 코히런트 광의 코히런스는 출사광 빔의 코히런스 길이를 초과하는 길이차를 갖는 다수의 멀티모드 광섬유들이 다발화된 광섬유 다발이나, 입사 코히런트 광의 코히런스 길이의 60%를 초과하는 길이차를 갖는 다수의 멀티모드 광섬유들이 다발화된 광섬유 다발을 통해 감소된다.
Patent KR-20000074759-A (KR)
Inventor: HAN SEUNG UK
IPC: H04M1/23
Filed: 1999-05-25
Abstract: PURPOSE: An apparatus for inputting characters of a communication terminal is provided to add predetermined keys to easily input Korean character, so as to conveniently transmit text messages. CONSTITUTION: The apparatus for inputting characters of a communication terminal adds predetermined keys on a keypad. The apparatus separates vowels from consonants to make the vowels and the consonants correspond to each key. The apparatus makes consonants having double-consonants correspond to one key. If a key is inputted, the apparatus displays characters corresponding to the inputted key on a displaying window.
Patent KR-19990068729-A (KR)
Title: 가구용문짝
Filed: 1999-06-15
Abstract: 본 고안은 장농가구의 문짝을 보다 경제적이고 간편하게 제작할 수 있도록 하는 것으로서, 본 발명은 사각형태로 문틀을 형성하고, 이를 문양수지층에 올려 놓은 다음 성형틀에서 한 번의 공정으로 문양수지층을 접착시켜 성형되는 것을 특징으로 한다. 이와 같이 본 발명에 따라 제작된 가구용 문짝은 한 장의 합판을 사용하지 않고 쓰다 남은 조각난 여재를 사용하여 경제적이면서 간단한 구조로 문틀을 형성하고, 문틀에 부착되는 문양수지층을 별도의 공정을 거치지 않고 하나의 공정으로 간단하고 용이하게 부착함과 동시에 전체를 휘게 하거나 소정부위를 트위스트 형태로 성형하여 세부적인 질감과 전체적인 미감을 극대화 하여 장식적 미감을 증대하면서도 안전한 부착상태를 유지하여 경제적인 사용을 이루게 하는 효과가 있다.
Patent KR-20010002661-A (KR)
Inventor: YOON JONG SU
IPC: H01L29/786
Filed: 1999-06-16
Abstract: PURPOSE: A substrate of a TFT(Thin Film Transistor) LCD(Liquid Crystal Display) and a manufacturing method of the substrate are provided to simplify manufacturing steps. CONSTITUTION: A gate wire and a capacity maintaining electrode(28), separated from the gate wire, are built on an insulation substrate. The gate wire is comprised of a gate line(22), a gate pad(26), and a gate electrode. On the substrate, a gate isolation pattern(30) covers the gate wire(22, 24, 26) and the capacity maintaining electrode(28). A semiconductor pattern(42, 44, 46, 48) is formed on the gate isolation pattern(30). The semiconductor pattern consists of four parts; one is a contact hole part(46), containing a contact hole(36) to expose the gate pattern(26); another is a TFT(Thin Film Transistor) channel part(42) on the gate electrode(24); another part(48) is between a pixel electrode(64) and the capacity maintaining electrode(28); and the other part(44) is among a data line(82), the capacity maintaining electrode(28), and the gate line(22). An etching resistant film(50) is formed inside the semiconductor pattern(42) of the gate electrode(24). Conductive patterns(63, 66) are doped on the semiconductor pattern (42, 44, 46, 48) and the etching resistant film(50). One of the conductive layer(64) is a pixel electrode, another is a sub-data line, and the other is a sub gate pad. Between the conductive pattern(64, 66), and the semiconductor pattern(42, 44, 46, 48), a resistant contact layer(72, 74, 76, 78) is formed to reduce a contact resistance. A data line(82) defines a pixel and connects with a data pad(88) on one of the conductive layer. On another conductive layer, a drain electrode(86) is generated. A shield membrane(90) contains a contact hole(98) and is produced on the data wire(82, 84, 86, 88).
Patent KR-19990068826-A (KR)
Title: 전기자전거
IPC: B62M6/70
Filed: 1999-06-26
Abstract: 본 발명은 일반 자전거와 같이 페달에 가하는 답력(踏力)으로 주행할 수 있으면서 사용자의 선택에 따라 전동모터의 동력으로 주행할 수 있는 전기자전거에 관한 것으로서, 독립적으로 설계/제작되는 전동기구(傳動機構)가 사용되어 이 전동기구를 축전지 및 전동모터와 함께 일반 자전거에 장착할 경우 별도의 개조작업없이 일반 자전거를 답력 및 전기력을 겸용하여 사용할 수 있는 자전거로 쉽게 전환하여 사용할 수도 있게 하는 전동기구를 구비하고, 구성이 단순하여 경량이면서 제조원가도 저렴한 전기자전거를 제공하는데 목적이 있다. 
     본 발명은, 트러스 구조의 프레임과; 상기 프레임의 전,후에 장착되는 전,후륜과; 상기 전륜의 방향을 조종할 수 있게 하는 조종바(핸들); 상기 프레임의 중앙 하부에 설치되는 구동축; 상기 구동축 양단에 결합되는 좌,우 아암 및 그 선단의 좌,우 페달; 상기 구동축에 상기 아암의 회전에 따른 구동축의 회전력을 정방향(자전거가 전진하는 방향)으로만 전달하는 제 1 정방향클러치를 개재하여 결합되는 구동스프로킷과; 그리고, 상기 후륜 회전축을 상기 구동스프로킷에 동력적으로 연결하는 피동스프로킷를 포함하는 자전거에 있어서, 상기 구동스프로킷과 상기 제 1 정방향클러치 사이에 개재되는 제 2 정방향 클러치와, 상기 프레임에 장착되는 축전지와, 상기 축전지의 상기 전동모터의 전원단속용 모드스위치와, 상기 모드스위치 조작에 의해 상기 축전지 전원에 의해 전동되는 전동모터와, 상기 제 1 정방향클러치에 역방향클러치를 개재한 채로 결합되어 상기 전동모터의 전동축과 동력적으로 연결되는 전동스프로킷을 포함하여 이루어지는 것을 특징으로 한다.
Patent KR-20010005072-A (KR)
Inventor: CHO JUN HUI
IPC: H01L27/10
Filed: 1999-06-30
Abstract: PURPOSE: A method for forming a capacitor of a ferroelectric memory device is provided to improve the reliability of a semiconductor device by etching the ferroelectric film with a high etching selectivity. CONSTITUTION: The first conductive film for forming a lower electrode(22) of a capacitor and the second conductive film for forming an upper electrode(24) of the capacitor are formed on a semiconductor substrate(20). An upper electrode pattern is formed by selectively etching the second conductive film. The part of the first conductive film which is designed to connected to a metal wire is exposed by selectively etching the ferroelectric film. At this time, a C2F6 gas is used as an etching gas for etching the ferroelectric film. The first and second conductive films are made of platinum film.
Patent KR-20000011513-A (KR)
Inventor: SASAKI YASUSHI
IPC: H01L23/544
Filed: 1999-07-06
Abstract: PURPOSE: A wafer is provided to exactly measure the degree of heavy metal impurities even in a manufacturing process of processing a wafer of a long diameter of 8 inches, 12 inches or longer. CONSTITUTION: The manufacturing method of a wafer for monitoring the amount of heavy metal impurities, which is thinner than the previous provided standard wafer thickness to a diameter of a wafer and has the reduced measuring errors, is composed of the steps of: heating the light element in an atmosphere of O¬2+He or H¬2+He at a temperature of 1150 to 1350°C; and heating the light element in an atmosphere of N¬2+O¬2 or O¬2 at a temperature of 900 to 1000°C.
Patent KR-20010009852-A (KR)
Inventor: LEE YEONG JU
IPC: G11B7/1362
Filed: 1999-07-14
Abstract: PURPOSE: A micro-mirror element of electrostatic driven type and an optical pickup device thereof are provided to improve precision in location adjustment of input beam and to reduce size of optical system by integrating the mirror and a driver. CONSTITUTION: A light source module(11) generates light. Condense units(14,16,18) condense a light from the light source module on surface of an optical recording medium. An optical detecting unit converts light reflected on the medium into an electric signal. An optical separate unit(13) transfers light from the light source module to the condense units and transfers light reflected on the optical recording medium to the optical detect unit. A micro-mirror element(30) reflects light while finely adjusting path of the reflected light.
Patent KR-20000017434-A (KR)
Inventor: SHIMAZ SATOSHI
IPC: B41J2/14
Filed: 1999-08-21
Abstract: PURPOSE: The liquid venting device is provided to vent liquid demanded by bubble formed by feeding heat energy acts on the liquid. CONSTITUTION: The installation of a liquid venting head has the steps of:arranging an emitting member(2) on a flat and slippery device substrate(1); each arranging a liquid moving channel(10) by corresponding to the emitting member(2) on the device substrate(1); piping the liquid moving channel(10) with a venting port(18); piping with a common liquid room to supply liquid into the plural liquid moving channel; each liquid moving channel containing the liquid amount vented from each venting port(18) from the common liquid room(13).
Patent KR-20000023038-A (KR)
Inventor: SMIYOSHI TETSUMI
IPC: A61B18/22
Filed: 1999-09-10
Abstract: PURPOSE: A laser irradiation device using fiber laser radiating laser beam containing at least 2 wave components is provided to radiate laser beam in coaxial direction with an object, thereby easily and accurately radiating laser beam. CONSTITUTION: A laser irradiation device using fiber laser radiating laser beam containing at least 2 wave components comprises a pumping light radiator(1), a fiber laser(14), and a beam guide(13). The pumping light radiator generates and radiates pumping light. The fiber laser excites a light fiber(4) doped with laser ion with the pumping light to generate laser beam containing at least two wave components. The beam guide(13) guides the laser beam generated by the fiber laser into required position and direction. The device further comprises beam rectifiers(7,10) rectifying the laser beam guided by the guide.
Patent KR-20010027613-A (KR)
Inventor: KANG BYEONG GYU
IPC: G11B7/095
Filed: 1999-09-14
Abstract: PURPOSE: A device for controlling a sled motor driving in an optical disk device is provided to set up a movement range within a maximum value, and to control entire gain or a low band gain of a tracking error value according to a current double speed when the object lens exceeds the movement range, then to control a performance of the sled motor driving. CONSTITUTION: An optical pick-up(2) reads a signal recorded on an optical disk(1). A filter shaping unit(RF)(3) performs a filter shaping for the signal, and outputs the signal as a binary signal. A DSP(Digital Signal Processor)(4) converts the binary signal into a digital signal by a generation signal process. A decoder(5) decodes the digital signal, and outputs the decoded signal as original digital data. A sled motor(10) moves the optical pick-up(2). A spindle motor(11) rotates the optical disk(1). A driver(7) drives rotations of the sled motor(10) and the spindle motor(11). A servo unit(6) controls operations of the optical pick-up(2) and the driver(7). A microcomputer(8) controls operations of the servo unit(6) and the DSP(4). A memory(9) stores data necessary for a control operation of the microcomputer(8). The servo unit(6) comprises as follows. An LPF(Low Pass Filter)(61) converts an output signal of a PD(Photo Diode) into a signal of a DC(Direct Current) component, and outputs the converted signal in order to detect a tracking error value of an object lens. An input gain unit(62) performs a gain control for the converted signal by a level size of a determined range. A low-band gain unit(63) performs a gain control for a low band component of the signal. An output controller(64) controls a gain of the signal, and entirely controls a gain of the tracking error value. The tracking error value lastly output from the output controller(64) is inputted to the microcomputer(8) and the driver(7).
Patent KR-20000023311-A (KR)
Inventor: TERRANOVA ERIC
IPC: A61K8/41
Filed: 1999-09-20
Abstract: PURPOSE: Composition for oxidation dyeing of keratinous fibers including cationic 4-hydroxyindole is provided which make it possible for colored materials to show a clear contrast between light and shade in various color and to have a good resistance to exterior environments. CONSTITUTION: Composition for oxidation dyeing of keratinous fibers includes 0.0005-12wt.% of cationic 4-hydroxyindole of formula 1, wherein R1 is a hydrogen, a Z group, a C1-C4 mono hydroxy alkyl radical, a C2-C4 polyhydroxyalkyl radical, a (C1-C4 alkoxy)-C1-C4 alkyl radical, an acetyl radical, a C1-C4 aminoalkyl radical, or a (C1-C4 alkyl)-C1-C4 thioalkyl radical; R2 and R3, which are identical or different, are a hydrogen or halogen atom, a Z group, a -NH-Z group, a C1 -C4 alkyl radical, a carboxyl radical, a (C1 -C4 alkoxy) carbonyl radical or a formyl radical; R4 and R5, which are identical or different, are a hydrogen or halogen atom, a Z group, a -NH-Z group, a C1 -C4 alkyl radical, a C1 -C4 alkoxy radical, an acetylamino radical or C1-C5 monohydroxyalkyl radical.
Patent KR-20010028443-A (KR)
Inventor: KIM YEONG WAN
IPC: F24F1/66
Filed: 1999-09-21
Abstract: PURPOSE: An outdoor unit for air conditioner is provided to reduce noise of the outdoor unit and prevent damage to components by allowing the mounting supporter for supporting the base panel of the outdoor unit to have a variable position. CONSTITUTION: An outdoor unit comprises a bracket(22) attached to the bottom surface of a base panel(20) and which has a plurality of reset holes(22a); a slider(24) mounted to be movable in lengthwise direction along the guide bracket and which has a fixation hole(24a) to be coupled to one of reset holes; and a mounting supporter(30) coupled, through a height adjustment screw(26), to the lower end of the slider in a height-adjustable manner. The bracket has a lower end(22') which is bent and open so as to prevent escape of the slider during lengthwise movement and at the same time allow the height adjustment screw to move along the lengthwise direction of the guide bracket.
Patent KR-20010028577-A (KR)
Inventor: BAE IL MAN
IPC: G11C11/407
Filed: 1999-09-22
Abstract: PURPOSE: A synchronous D-RAM(dynamic random access memory) is provided to reduce a skew effect of a column address signal. CONSTITUTION: The SDRAM includes a memory-cell array(110), a row-address buffer(114), a row decoder(116), a column-address buffer(118), a column decoder(120) and a column-selection line enable circuits(128,130). In the memory-cell array(110), memory cells are arranged along the row and column directions. The row decoder(116) decodes a row address signal(RAi) to activate a corresponding word line. The column-address buffer(118) preliminary decodes a column address signal(CAj), and outputs the pre-decoded column address signal(DCAij) according to the column-selection line enable circuit(128). The column decoder(120) decodes the pre-decoded column address signal(DCAij) to activate a corresponding column selection line.