baber/WOPTO huggingface dataset:
Patent KR-20000031141-A (KR)
Title: Apparatus for purifying water in aquarium
Inventor: KIM CHOONG YEOL
IPC: C02F1/40
Filed: 1998-11-03
Abstract: PURPOSE: An apparatus for purifying water in an aquarium is provided, which is characterized in that bubbles generated by bubble generator(7) is supplied to water so that the amount of dissolved oxygen increases. CONSTITUTION: The apparatus is composed of a case(1) preparing a cover(2), which is separated into two storage spaces by partition wall(3), and the two spaces are connected by grove(4) for flowing water. Bubble generator wherein the first storage space, and bubbles are transferred through a venturi tube which is connected to inlet(12). A guiding plate(19) is installed at the upper part of the second storage space, so bubbles move according to the guiding part(20). Two disinfecting lamps are install in the second storage space, and wire and adaptor are installed in the second space. Water which is passed through the venturi tube flows fast, and mixed with air. Sprayed water is passed through filtration layers to break the air bubbles down, so the amount of dissolved oxygen is increased.
Patent KR-20000031216-A (KR)
Title: Device for measuring characteristic of wavelength division multiplexing erbium doped fiber amplifier having uniformed output power per each channel
Inventor: JUNG RAE SEONG
IPC: G01J11/00
Filed: 1998-11-04
Abstract: PURPOSE: A device for measuring is provided to measure an output power for each channel of a wavelength division multiplexing erbium doped fiber amplifier(WDM-EDFA) using smaller optical resources of signal than numbers of channels requested in the WDM-EDFA. CONSTITUTION: A measuring device contains: plural optical resources of signal(200) to generate an examining light differed each other; an optical multiplexer(202) to multiplex the examining lights generated in the optical resources of signal(200); an optical attenuator(204) to control an optical power multiplexed by connecting in the optical multiplexer(202); an optical switch(206) connected in the optical attenuator(204); a WDM-EDFA(208) connected in a first port(206-1) of the optical switch(206); a control unit of amplified benefit(210) to control the amplified benefit of the WDM-EDFA(208); and a measuring instrument(212) connected in a second port(206-2) of the optical switch(206) and the WDM-EDFA(208). The numbers of the signal optical resources(202) are more than two and the numbers is smaller than numbers of channels requested in the WDM-EDFA(208). A power of each examining light generated by the optical sources of signal(200) is same. And the whole power of the examining light is unrelated with the numbers of the signal optical source and is the same with a power of an input signal requested from the WDM-EDFA(208).
Patent KR-19990045026-A (KR)
Title: 고객 구내 장치로의 호출 자동 전송 방법 및 고객 구내 장치
IPC: H04M1/64
Filed: 1998-11-05
Abstract: 본 발명의 일 측면에 따르면, 고객 구내 장치(CPE)가 융통성이 있으며 보다 저렴한 비용으로 걸려온 호출을 전송하기 위하여 3 방식 호출 형태의 장점을 갖도록 채택된다. 따라서, 본 발명에 따르면, 걸려온 호출을 고객 구내 장치로 자동적으로 전송하는 방법은 걸려온 호출을 홀드 상태(212)로 일시적으로 위치시키는 단계, 전송 번호(214)를 호출하는 단계 및, 걸려온 호출을 전송 번호(216)에 연결하기 위해 홀드 상태로 부터 걸려온 호출을 복귀시키는 단계를 포함한다. 다른 실시예에서, 고객 구내 장치는 걸려온 호출을 홀드 상태로 위치시키기 위해 채택된 플래시 유닛 및 걸려온 호출과 관련된 호출 관련 정보에 기초하여 전송 번호를 호출하기 위해 채택된 호출 유닛(113)을 포함한다.
Patent KR-20000033331-A (KR)
Title: Method for manufacturing evaporator of refrigerators
Inventor: KIM TAE HYUN
IPC: F25B39/02
Filed: 1998-11-23
Abstract: PURPOSE: A method for manufacturing evaporator of refrigerators is provided to increase the heat exchange efficiency of the evaporator by improving the contact efficiency between the heat exchange pin and a coolant pipe. CONSTITUTION: A method for manufacturing evaporator of refrigerators includes the steps of machining a heat exchange pin(54) by pressing, adding evaporating machining oil(56) as a lubricating oil when machining the heat exchange pin for preventing abrasion of the original plate of the heat exchange pin, drying the heat exchange pin in a drying furnace for evaporation of the oil, and washing the heat exchange pin for removing residual machining oil from the heat exchange pin, wherein the evaporating machining oil has lower viscosity so that the oil is easily evaporated at a room temperature and in heating, increasing the contact efficiency between a flange part(55) of the heat exchange pin and a coolant pipe(52) by removing the gap generated therebetween due to the residual lubricating oil and preventing the permeation of a coating agent(57) therebetween even when the coating agent is coated.
Patent KR-20000033596-A (KR)
Title: Device for producing cold-mix bituminous emulsion asphalt
Inventor: LEE CHUL SEON
IPC: B28C5/00
Filed: 1998-11-25
Abstract: PURPOSE: A device for producing cold-mix bituminous emulsion asphalt is provided to freely adjust grading distribution by changing mixing amount per aggregate size and to control supply amount of water and bituminous asphalt. CONSTITUTION: Stone powder from a first supplying hopper(12), an aggregate from a second supplying hopper(14) and a third supplying hopper(16) falls to a fourth conveyor(24). The aggregate and stone powder falls to the left end of a fifth conveyor(26) and lifts along the fifth conveyor to be input into a mixer(28) in the right upper end. Water is supplied to the mixer through a sprayer and bituminous emulsion asphalt is supplied to the mixer by the pump of a bituminous emulsion asphalt supplier(32). The stone powder, aggregate, water and bituminous emulsion asphalt are mixed together by a rotating cylindrical roll and temporally collected in a vent hopper(36). An operator operates the vent hopper to be open for loading mixture in a vehicle.
Patent KR-20000034544-A (KR)
Title: Method to produce antibody of zearalenone toxin
Inventor: YUN HWA JUNG
IPC: C07K16/00
Filed: 1998-11-30
Abstract: PURPOSE: A method to produce antibody of zearalenone toxin is provided which can produce in a large scale and can detect the infinitesimal quantity of zearalenone toxin economically and conveniently. CONSTITUTION: A method to produce antibody of zearalenone toxin is comprised of: obtaining zearalenone protein zygote by joining heterogeneous protein to zearalenone; inserting the zearalenone protein zygote into an animal; and collecting antibody produced from the same animal. A method to produce antibody of zearalenone toxin in a large scale is comprised of: obtaining zearalenone protein zygote by joining heterogeneous protein to zearalenone; inserting the zearalenone protein zygote into an animal; separating a cell to produce zearalenone antibody from the same animal; fusing the separated cell and tumor cell to produce simple clone; collecting zearalenone simple clone antibody by cultivating fused cell; inserting the zearalenone simple clone antibody into the animal; and collecting antibody produced from the same animal. The method to detect zearalenone toxin is comprised of: coating multiple micro wall of plate by the simple clone anti-Ig antibody; inserting diluted solution phased in one row of the micro wall; inserting diluted solution phased of extract of the test sample doubted as including zearalenone toxin; reacting by adding zearalenone-yeast conjugate; removing by washing non-reacting material which is not joined after reacting in room temperature; comparing the standard toxin and the test sample by measuring heat absorbing rate after reacting for a certain time by inserting coloring agent.
Patent KR-20000041485-A (KR)
Title: Band pass filter circuit
Inventor: KIM OK HYUN
IPC: H03H9/25
Filed: 1998-12-22
Abstract: PURPOSE: A band pass filter circuit is provided to be able to generate an image trap frequency varied according to a channel in order to remove an image frequency. CONSTITUTION: A band pass filter circuit comprises resistors(10,60,110), voltage controlled diodes(20,70,100), blocking capacitors(30,50,90) and inductances(40,80). The resistors(10,60,110) are connected in series to tuning voltage terminals(Vt), respectively, and limit currents from the corresponding tuning voltage terminals. The voltage controlled diodes(20,70,100) are connected in parallel with the inductances(40,80), and generate a resonance frequency and an image trap frequency. Capacitance values of the voltage controlled diodes(20,70,100) are varied according to corresponding tuning voltages(Vt). The blocking capacitors(30,50,90) interrupt currents from corresponding tuning voltage terminals to the inductances(40,80). The inductances(40,80) are connected in parallel with the voltage controlled diodes(20,70,100), and generate a resonance frequency and an image trap frequency.
Patent KR-20000041921-A (KR)
Title: Lan interface apparatus of an internet matching apparatus
Inventor: KIM SANG CHEOL
IPC: H04L29/10
Filed: 1998-12-24
Abstract: PURPOSE: A LAN interface apparatus is provided to perform a service offer rapidly by making data accessed from a master board be transferred directly into a corresponding board. CONSTITUTION: A LAN interface apparatus comprises a first and second ports(111,112), a first and second transceiver parts(113,114), a first and second modulation/demodulation parts(115,116), a link control and switch part(117) and an ethernet controller(118). Each of the first and second transceiver parts(113,114) processes data received from a system management unit or a LAN matching unit into a predetermined state proper for a system, and processes data transmitted from an internet matching unit into a predetermined state proper to a LAN communication. The first and second transceiver parts(113,114) have obstacle detecting parts(113a,114a) each of which detects whether a link obstacle is generated between connected matching units and outputs a signal corresponding to the detection result. Each of the first and second modulation/demodulation parts(115,116) decodes data received from a corresponding transceiver part(113/114) to demodulate the decoded result into a format used in the internet matching unit. Each of the first and second modulation/demodulation parts(115,116) codes data transmitted from the internet matching unit to a system management unit and the LAN matching unit. The link control and switch part(117) controls a data link transmitted and received between the internet matching unit and the system management unit or the LAN matching unit. The link control and switch part(117) switches a link so that, when one of the links is hindered, data is transferred through the other link.
Patent KR-20000042491-A (KR)
Title: Voltage generator for antifuse program
Inventor: KIM PIL JUNG
IPC: G11C29/00
Filed: 1998-12-24
Abstract: PURPOSE: A voltage generator for an anti-fuse program is provided to increase charge pumping efficiency by preventing a breakdown. CONSTITUTION: An N+ junction is formed in an N well, and a P+ junction is formed in a P well. Thus, the junction between metals or poly lines to each well is strengthened. A P-typed substrate is grounded, and the N well intercepts the connection between the P well and the P-typed substrate. The N well is connected to node voltage the same with the P well in order to intercept current flow between wells. A breakdown voltage between the P-typed substrates is considerably high. Therefore, the breakdown voltage is not generated in the N well.
Patent KR-20000042698-A (KR)
Title: Apparatus and method for replacing a battery of a portable terminal
Inventor: CHOI BYUNG IL
IPC: H02J7/00
Filed: 1998-12-26
Abstract: PURPOSE: An apparatus for replacing a battery of a portable terminal is provided to maintain communications incessantly with a reserved battery by providing a reserved rechargeable battery and a switching circuit. CONSTITUTION: A reserved battery(50) of a small capacity supplies electric power to a mobile communication terminal for a while. A switching device(60) performs a switching function to the reserved battery(50) in case that a rechargeable battery(10) is run out or replaced. The switching device(60) includes a diode for supplying a current of the rechargeable battery(10) to the reserved battery(50), a transistor for supplying a current of the reserved battery(50) to a circuit unit(40) of the terminal, and a resistor for turning on and off the transistor.
Patent KR-20000043008-A (KR)
Title: Method for controlling operation range of power amplification module using pin diodes and switching transistors
Inventor: BAE JUN HO
IPC: H03G5/00
Filed: 1998-12-28
Abstract: PURPOSE: A method for controlling an operation range is provided to correctly operate a power amplification module by constructing a power amplification module circuit to control the operation range of the power amplification module. CONSTITUTION: A method comprises the steps of: applying a small current amount to the base of a transistor supplied with a low voltage value and transmitting the small current amount through the collector of the transistor(303); transmitting a carrier signal to an input port of a power amplification module since a pin diode supplied with the small current amount from the transistor increases a resistant component thereof by the small current amount(306); and transmitting the amplified carrier signal to an antennal through the output port of the power amplification module(311).
Patent KR-20000044624-A (KR)
Title: Method for manufacturing large scale plasma display panel
Inventor: HA PYUNG SU
IPC: H01J9/24
Filed: 1998-12-30
Abstract: PURPOSE: A method for manufacturing a large scale PDP(Plasma Display Panel) is provided to minimize distortion of a glass substrate according to a firing process performed after forming various patterns of a PDP. CONSTITUTION: A method for manufacturing a large scale PDP comprises the following steps. Predetermined patterns is formed on a multitude of glass substrate(31,32), respectively. A firing process for the predetermined patterns is performed. The multitude of glass substrate is adhered to one substrate. The adhered glass substrate comprises a front face and a rear face. The predetermined patterns are formed with barrier ribs(3). The method comprises the steps of the cutting end portions of the barrier ribs and polishing the cut faces after performing the firing process.
Patent KR-20000045108-A (KR)
Title: Asynchronous variable length decoding apparatus
Inventor: KIM GYUN SU
IPC: H03M7/40
Filed: 1998-12-30
Abstract: PURPOSE: An asynchronous variable length decoding apparatus is provided to have a rapid processing speed, a less hardware area and a less power consumption by connecting plural logic operations in a domino logic and by making a finally selected thing be processed by a simplified programmable logic array(PLA). CONSTITUTION: An asynchronous variable length decoding apparatus comprises a mode sensing part(11) which receives a decoding request event signal(bsq_req) and a mode signal to invoke one of paths of a dynamic domino connection part(12). The dynamic domino connection part(12) is operated to use one path of the paths detected by the mode sensing part(11). A programmable logic array(PLA) part(13) processes a code from a second barrel shifter(17) to transfer a process completion signal, a symbol signal and a match signal as a process result to a bit stream decoder, and to transfer a code length and a calculation completion signal(c1) to an accumulation part(14) and the second barrel shifter(17). The code length accumulation part(14) receives the calculation completion signal and the code length to accumulate the code length, and transfers a shift length and a process completion signal(c3) to a first barrel shifter(16). A bit stream buffer part(15) receives a read signal fro the code length accumulation part(14) for reading a bit stream from a channel buffer, and transfers buffering bits to the first barrel shifter(16).
Patent KR-20000046607-A (KR)
Title: Automobile damper having flexible structure
Inventor: HA JONG KWON
IPC: F24F13/18
Filed: 1998-12-31
Abstract: PURPOSE: An automobile damper having a flexible structure is provided to allow an adjustment of air passage while eliminating the use of an additional cam or a link so as to save a space for operating the cam or link in the damper. CONSTITUTION: An automobile damper comprises a pair of rollers(10, 11) spaced a predetermined distance and which are arranged to be rotatable in the same direction, a flexible plate(12) having a predetermined portion wound onto the rollers(10, 11) and which moves right and left upon rotation of the rollers(10, 11), and a wire(13) arranged at the upper and lower portions of the flexible plate(12) and which moves in accordance with the rotation of the rollers(10, 11), the plate(12) moving left or right by the rotation of the rollers(10, 11) thereby adjusting an air passage.
Patent KR-19990067406-A (KR)
Title: 타원형 프레임 면도기
IPC: B26B21/00
Filed: 1996-11-08
Abstract: 안전 면도기용 면도기 블레이드 유니트는 신체 특히, 겨드랑이 영역의 면도를 위하여 최적의 형태와 칫수를 갖는다.  이러한 블레이드 유니트는 직선형의 예리한 엣지를 구비한 신장된 블레이드와, 길이가 1 내지 4 배이고 폭이 60 ㎜ 이하인, 양호하기로는 40 내지 45 ㎜ 인 피부 접촉면을 포함한다.  상기 피부 접촉면은 적어도 450 ㎟, 양호하기로는 600 내지 750 ㎟ 의 발자국 면적과, 65 % 이상의 원형성을 포함하며, 폭의 30 % 의 모서리 반경과 피부 접촉면과 동일한 전체 폭 및 길이를 갖는 장방형의 원형성을 포함한다.  블레이드 엣지에 수직한 평면에서, 피부 접촉면은 볼록하며, 반경이 15 내지 70 ㎜, 양호하기로는 25 ㎜ 의 가상원과 적어도 3개의 점 접촉을 이루도록 형성되어야 한다.  블레이드 엣지의 전후방에서 보호면 및 캡면은 적어도 140 ㎟ 의 피부 접촉 면적을 포함하며, 그 조합된 면적은 적어도 400 ㎟, 양호하기로는 450 내지 500 ㎟ 이다.  양호한 형태는 반원형 단부를 갖는 장방형이다.
Patent KR-19990076588-A (KR)
Title: 플루르바이프로펜의 경피 전달용 기구
IPC: A61P17/00
Filed: 1996-12-16
Abstract: 본 발명은 아크릴레이트 또는 메타크릴레이트계 공중합체, 피부 침투 강화제, 폴리비닐피롤리돈, 및 치료학적 유효량의 플루르바이프로펜을 포함하는 약물의 경피 전달용 기구에 관한 것이다.
Patent KR-19990081870-A (KR)
Title: 연속주조장치의 용탕 공급장치
IPC: B22D11/08
Filed: 1997-01-16
Abstract: 본 발명은 금속스트립의 연속주조방법 및 연속주조장치에 관한 것으로서, 평행하게 배치된 한 쌍의 냉각식 주조로울(16) 사이에 주탕푸울을 형성하기 위해 상기 주조로울의 상측에 배치됨과 동시에 상기 주조로울 사이의 닙을 따라 길이방향으로 연장설치된 기다란 주탕노즐(19)을 통해 용탕을 도입하고, 상기 닙의 하방에서 응고된 금속스트립(20)을 제조하기 위해 상기 한 쌍의 주조로울을 서로 반대방향으로 회전시킨다. 용탕은 턴디쉬의 용탕을 수용하는 상측의 유입단부와 주탕노즐(19)의 용탕실(61) 내에 삽입되는 하측의 유출단부(84)를 구비하는 내측노즐(18)을 통해 주탕노즐(19)의 용탕실(61)에 주입된다. 상기 내측노즐(18)의 유출단부(84)는 저벽(86), 상기 주탕노즐(19)의 양측벽(62)으로부터 내측으로 이격된 기다란 양측벽(88) 및 이 양측벽(88)에 형성된 용탕 토출공(92)을 구비한다.
Patent KR-19990087442-A (KR)
Title: 화염지연식 압력균등밸브
IPC: F16K17/12
Filed: 1997-03-03
Abstract: 본 발명은 하우징(1)에 안내된 밸브몸체(3)를 구비하고 있는 화염을 지연시키는 압력균등밸브에 관한 것으로,  초과압력하에서 상기 밸브몸체(3)가 폐쇄위치에서 분출위치로 변위되고 이들 하우징(1)과 밸브몸체(3)는 제 1폐쇄부(8) 및 제 2폐쇄부(9)에 형성되고, 개구방향(7)으로 돌출된 제 2폐쇄부(9)의 표면은 이와 마찬가지로 개방방향(7)으로 돌출된 제 1폐쇄부(8)의 표면보다 더 크게 형성되며, 제 2폐쇄부(9)이전에 제 1폐쇄부가(8)가 개방되어 있는 동안 초과압력이 확장된 표면상에 작용됨과 동시에 밸브가 개방되며, 상기 제 2폐쇄부(9)는 개방방향(7)으로 제 1폐쇄부(8)로 부터 이격되도록 되어 있어, 밸브의 폐쇄동작과 배출가스의 출구속도 증가가 이루어지도록 되어 있다.
Patent KR-19990087540-A (KR)
Title: 용융선철 또는 용강 중간제품의 생산방법 및 동 생산방법을실행하는 설비
IPC: C10J3/00
Filed: 1997-03-03
Abstract: 바람직하게는 괴상 및/또는 펠릿인 철광석 및 선택적으로 용제를 포함하는 장입물질로 용융선철 중간제품 또는 용강 중간제품을 생산하는 방법에 있어서, 상기 장입물질이 환원대(12)에서 해면철로 직접환원되고, 상기 해면철은 탄소캐리어 및 산소함유가스의 공급으로 용융가스화대(8)에서 용해되는 동시에, 환원가스대(12) 내에 취입되는 CO- 및 H 2 -함유환원가스가 생성되어 반응한 후 배가스로서 배출되고, 상기 배가스는 소진기(20)에 전달된다. 
     C fix 가 높은 탄소캐리어 및 O 2 소모의 억제를 가능하게 하기 위하여, 배가스의 CO 2 함유량을 훨씬 초과하되, 바람직하게는 40%를 초과하는 CO 2 함유량을 가지며, 또한 CO가 존재하는 경우 CO의 함유량이 배가스의 CO 함유량에 훨씬 미달하는 CO 함유량을 가지는 CO 2 함유량이 높은 가스가 상기 용융가스화대(8) 내에 취입되고, CO가 형성되면 탄소캐리어와의 반응이 일어난다.
Patent KR-20000064964-A (KR)
Title: 가속도센서용 소자 및 그 제조방법
IPC: G01P15/08
Filed: 1997-10-22
Abstract: 작용하는 가속도를 검지하기 위한 가속도센서용에 사용하는 휨 변환소자는, 
     (1) 상측면과 하측면을 가지는 프레임, 
     (2) 복수의 휨 가능부와 중앙부를 가지고서 이루어지는 시트형태 부재로서, 각 휨 가능부는, 프레임의 내연부의 적어도 일부분과 중앙부의 사이에서 연재하여, 이들과 일체로 연결되는 시트형태 부재, 
     (3) 시트형태 부재의 중앙부와 일체로 연결되는 넥부를 가지고서, 그것을 통해 시트형태 부재로부터 매달려 있는 추, 및 
     (4) 프레임의 하측면을 지지하고, 내측 측면이 추의 측면과 제1공극을 사이에 두고서 마주 보는 지지부재를 
     가지고서 이루어지며, 
     제1공극과 연결되는 제2공극이, 시트형태 부재의 각 휨 가능부와 추의 사이에서 규정되고, 
     프레임과 시트형태 부재와의 사이 및/또는 시트형태 부재내에 제3공극이 규정되고, 
     소자에 가속도가 작용하면, 적어도 2개의 휨 가능부가 탄성적으로 변형하여, 그 결과, 프레임에 대하여 상대적으로 추가 변위하도록 프레임과 시트형태 부재 또한 시트형태 부재와 추가 서로 접합되고, 
     추와 지지부재는 반도체기판을 사용하여 구성되고, 
     제2공극은 반도체기판에 설치한 희생층을 제거함으로써 형성되고, 
     프레임과 시트형태 부재는 반도체기판 상에 설치한 에피텍샬층에 의해 형성되어 있다.
Patent KR-20000010641-A (KR)
Title: Flame processing method
Inventor: STROBELL MARK A
IPC: B29C59/08
Filed: 1997-03-28
Abstract: PURPOSE: The flame processing method is provided to improve the wettability of a polymer film surface, to modify the surface of the polymer base material to change the reaction of the base surface. CONSTITUTION: The flame is formed by the mixture of the fuel and an oxidizing agent including more than one kind of compound selected among the groups consisted of oxygen-containing compound, nitrogen-containing compound and oxygen-nitrogen containing compound having 10¯50 % of atomic oxygen for working as a fuel substitute or a substitute of the oxidizing agent except carbon monoxide. The oxygen-containing compound is consisted of methyl alcohol, ethyl alcohol, acetone, dimethyl ether, formaldehyde, acetic aldehyde. And the nitrogen-containing compound is consist of ammonia, monomethyl amine, dimethyl amine, hydrocyanic acid and hydrotriazoic acid.
Patent KR-20000050965-A (KR)
Inventor: OH SEONG JIN
IPC: H01H35/02
Filed: 1999-01-16
Abstract: PURPOSE: A position adapting switch is provided to differentiate electrical passages according to the position of a switch by differentiating contact points according to the position and the direction of the switch. CONSTITUTION: A position adapting switch comprises a case(10) and first to fourth connecting pins(31,32,33,34). A conductive liquid(22) is contained in the case(10). The connecting pins(31,32,33,34) are penetrated through the outer wall of the case(10) so that contact points which are connected by the conductive liquid(22) can be differentiated according to the position of the case(10).
Patent KR-20000055116-A (KR)
Inventor: KIM DAE YOUNG
IPC: F24F1/00
Filed: 1999-02-03
Abstract: PURPOSE: An air conditioner for both cooling and heating is provided to sufficiently heat a room by detachably providing an additional heating device in a heating hole at a lower part of a main body of the air conditioner and reduce power consumption by removing the heating device to a desired position for local heating. CONSTITUTION: An air conditioner for both cooling and heating includes an upper panel(2) formed with a suction hole(4) and a discharge hole(9) and coupled at a front upper part of a main body(1), and a lower panel(14) detachably coupled at a front lower part of the main body, so that room air drawn into the main body is subject to heat exchange for cooling and heating a room, wherein the lower panel is formed with a heating hole(14a) to be detachably coupled with a main body(102) of a heating device and mounted with a power supply element for providing power to the heating device.
Patent KR-19990045889-A (KR)
Title: 수질개선용이동형오존발생장치
Filed: 1999-02-05
Abstract: 오존발생장치는 전기분야이고, 생산되는 오존가스는 화학, 용도는 환경산업 분야이다. 
     발명의 목적은 상수원이나 강 또는 저수지의 수질오염을 오존가스의 특성을 이용하여 수질을 개선하는 것이다. 
     발명의 구성은 오존을 생산하는 오존발생장치와 발생기에 공기를 공급해 주는 장치, 만들어진 오존을 물에 용해 시키는 장치와 용해된 오존수를 필요한 곳 까지 보내는 장치, 또 잔여가스를 회수하는 장치와 모든장치를 제어해 주는 전기부분으로 되어 있으며 이러한 장치를 설치하여 이동하기위한 운반선으로 구성되어 있다. 발명의 효과는 저렴한 가격으로 쉽게 오염된 수질을 개선할 수가 있고, 생활용수는 물론 농업, 공업용수의 정화로 환경산업 분야의 발전에 크게 이바지 하게 될 것이다.
Patent KR-19990072492-A (KR)
IPC: C08F2/00
Filed: 1999-02-08
Abstract: 본 발명은 
     a) 이온 중합 반응을 개시 및 시작하는 1종 이상의 성분, 
     b) 중합-개시 성분이 그 위에 부가되는 지지체, 및 
     c) 임의로는, 반응 속도 및(또는) 생성물 특성에 영향을 미치는 1종 이상의 조절제, 
     를 포함하는, 지지된 중합-개시계를 사용하여 기체상 또는 현탁 공정으로 단량체를 이온 중합하기 위한 통상적으로 사용가능한 방법에 관한 것이다.
Patent KR-19990046360-A (KR)
Filed: 1999-02-26
Abstract: 본 발명은 볏짚을 이용한 판지 제조 방법에 관한 것으로 더욱 상세하게는 밀가루나 쌀가루로 풀을 쑤어 종이에 바르고 그 위에 수확을 끝낸 벼를 머리부분을 제거하여 종이 길이 만큼 절단하거나 여러 등분으로 나누어 일렬로 고르게 하고, 그 위에 다시 풀칠을 한 종이를 덮어 씌우는 방법으로 판지를 제조하는 볏짚을 이용한 판지 제조 방법에 관한 것이다.