baber/WOPTO huggingface dataset:
Patent KR-20010045820-A (KR)
Inventor: JUN YEONG GAP
IPC: F02D41/14
Filed: 1999-11-08
Abstract: PURPOSE: An exhaust gas measuring sensor and a device for measuring exhaust gas and controlling a fuel amount in a car using the sensor are provided to adjust an amount of noxious exhaust gas by measuring and displaying in real time using an electric method and controlling fuel amount supplied to a car engine based on the measured value. CONSTITUTION: An exhaust gas measuring sensor includes a porous ceramic(11) and two electrode plates(14,14a) disposed at both sides of the porous ceramic for applying power source. A device for measuring exhaust gas and controlling a fuel amount in a car using the sensor includes the measuring sensor generating leakage current corresponding to exhaust gas flown into the pore, a meter for calculating a composition amount of exhaust gas based on leakage current, a controlling part for controlling a fuel feeding amount from a fuel tank to an engine based on the composition amount, and a display part for displaying the calculated composition amount.
Patent KR-20000047672-A (KR)
Inventor: SUSUMU CONNO
IPC: B23K26/06
Filed: 1999-11-18
Abstract: PURPOSE: A wavelength conversion laser and a matching device using the same are provided to establish the wavelength conversion laser so that a length in the direction of an optical axis determining a wavelength conversion for producing a second higher harmonic wave is a shorter than that in the direction of the optical axis determining a wavelength conversion for producing a sum of the frequency. CONSTITUTION: A wavelength conversion laser and a machining device using the same comprise a laser resonator, a solid-state laser active medium, a wavelength conversion decision for producing the second higher harmonic wave, and a wavelength conversion decision for producing the sum of the frequency.
Patent KR-20010048778-A (KR)
Inventor: CHOI MIN JO
IPC: A47L9/00
Filed: 1999-11-29
Abstract: PURPOSE: A wheel of a vacuum cleaner makes a vacuum cleaner body smoothly move and restrains the generation of a frictional sound due to the movement of the body to minimum. CONSTITUTION: A wheel(W) of a vacuum cleaner comprises a wheel body(11) and a cover(15). The wheel body(11) of ring shape is rotatably engaged on the outer periphery of a protruded boss(S) of a cleaner body(B). The cover(15) restrains the separation of the wheel body(11) from the protruded boss(S). The contacting area between the cleaner body(B) and the protruded boss(S) is minimized. Thus, the cleaner body(B) is movable without any shake and without any frictional sound during cleaning. Therefore, the wheel(W) is structurely stabled and the mechanical strength thereof is largely increased, thereby removing damages even under strong outer forces.
Patent KR-20010054379-A (KR)
Inventor: LEE HUI SU
IPC: H04N7/081
Filed: 1999-12-06
Abstract: PURPOSE: A method for recording backup data is provided to prevent simultaneous damage of backup data even when original data is damaged due to a physical damage on a recording medium, by storing the original data and the backup data at different locations separated to each other. CONSTITUTION: A method for recording backup data stores a plurality of inputted channel data bit streams at a predetermined region on a recording medium(302). Backup data for the stored data bit stream original data are created(304). The backup data are stored at a location separated from the location on the recording medium in which the original data are stored(306).
Patent KR-20010055149-A (KR)
Inventor: LEE GEUN HYEONG
IPC: A47L9/04
Filed: 1999-12-09
Abstract: PURPOSE: A rotary brush structure improves suction of the external air and foreign matters without consuming additional electricity. CONSTITUTION: A body(231) of a rotary brush(230) is formed to be a cross flow fan and a brush(232) is integrally placed around the cross flow fan(231). The inner front side of a suction inlet body(200) where the cross flow fan(231) is placed is formed to have wider space enough to accommodate the whole of a vacuum pressure generating area formed on the bottom front side of the suction inlet body(200) by the rotation of the cross flow fan(231). The vacuum pressure is increased as the rotary brush is formed to be a cross flow fan(231) for smooth suction.
Patent KR-20010056262-A (KR)
Inventor: KIM SEONG SU
IPC: H04Q1/14
Filed: 1999-12-14
Abstract: PURPOSE: A method for reducing the accumulation of jumpers on a telephone office distribution board is provided to minimize the accumulation of jumpers by replacing long-span jumpers, causing the jumper accumulation of distribution boards, with short-span jumpers under generic computing environments. CONSTITUTION: Based on the jumper configuration data of a single-sided distribution board(401), a CPU makes out a list of jumpers crossing the center of the distribution board area(402). For the jumpers crossing the central separation line of the distribution board, the CPU replaces inside lines with empty inside lines in the area of outside lines(403). The CPU divides the distribution board into two distribution board areas, right and left, on the basis of the central separation line, until no more separation can be allowed as the distribution board is separated into the minimum distribution board areas(404,405).
Patent KR-20010062879-A (KR)
Inventor: BAE EUN HYUN
IPC: C01G23/047
Filed: 1999-12-20
Abstract: PURPOSE: Provided is a method for preparing a titanium oxide which has excellent adhesive strength to a base materials. CONSTITUTION: The method comprises steps of: (i) coating a titanium and titanium nitride thin film containing at least one impurities selected from the group consisting of Y, Ce, La, Hf, Zr, Ag, Pd, Au and Rh on the surface of the base materials to form a titanium or titanium nitride thin film; (ii) heat-treating the thin film coated surface; and (iii) high temperature oxidizing the surface heat-treated in the step (ii) at a temperature of 100-150 deg.C for 30 seconds-100 hours.
Patent KR-20010065030-A (KR)
Inventor: YOO BONG JUN
IPC: G02B26/10
Filed: 1999-12-21
Abstract: PURPOSE: A laser diode module of an optical scanning apparatus is provided which improves productivity and prevents disagreement between optical axes that may be generated during a process of fastening a fixed screw. CONSTITUTION: A laser diode module of an optical scanning apparatus includes a base(50), a circuit board(51) located at the back of one side of the base, and a case(53) that is placed movably in every direction on one side of the circuit board and contains a laser diode. The laser diode module further has a slider(54) fixed to the front side of the case and mounted on the top of the base, and a fixing member(110) for fixing the slider to the top of the base. The slider has a flat guide face(54a) placed at the left and right sides and a barrel-type guide face(54b) at the center. The laser diode module also includes a lens holder having a cylindrical body and a guide piece extended from the body to be mounted on the flat guide face. The lens holder is slidably mounted on the barrel-type guide face.
Patent KR-20010063608-A (KR)
Inventor: CHOI JAE SEUNG
IPC: G11C11/40
Filed: 1999-12-23
Abstract: PURPOSE: An output buffer circuit is provided to increase an access speed and to reduce noises by setting an output node to a predetermined voltage level before an output signal is outputted through the output node. CONSTITUTION: The output buffer circuit outputs an external input signal in response to an output enable signal and includes an output buffer(100), the first and second presetting signal generators(210,220), and a presetting driver(230). The output buffer receives the external input signal(sj) and outputs an output signal through the output node(out) when the output enable signal(poe) is enabled. The first presetting signal generator generates a signal for charging the output node with a high impedance level in response to the output signal of a low level fed back from the output node when the output enable signal is disabled. The second presetting signal generator generates a signal for charging the output node with a high impedance level in response to the output signal of a high level fed back from the output node when the output enable signal is disabled. The presetting driver sets the output node to a predetermined voltage level in response to signal generated from the first and second presetting signal generators.
Patent KR-20000012776-A (KR)
Inventor: YOO CHIN WOO
IPC: G06F21/31
Filed: 1999-12-24
Abstract: PURPOSE: An identity conformation method and system on internet is provided to improve security of identification and password for user and prevent steal of identification and remove procedure of registration for member. CONSTITUTION: The identity conformation method and system on internet comprises the steps of confirming an identification an applicant for membership; registering the applicant's affair and a password; issuing one of internet-id on web or sending the internet id to the applicant's mail-address; presenting an internet-id on a site to identify the identification; sending a internet-id to a identification confirming system and requesting a confirm of identification; requesting password of user and transmitting an authentication key.
Patent KR-20010063849-A (KR)
Inventor: KIM YONG TAEK
IPC: H01L21/784
Filed: 1999-12-24
Abstract: PURPOSE: A method for forming a metal line of a semiconductor device is provided to improve a characteristic and reliability of a semiconductor device by forming a plug poly on an active region of a peripheral circuit portion to overcome a resistance difference in a contact formation process. CONSTITUTION: An isolation layer(43) for defining an active region is formed on a semiconductor device(41). A poly 1 stacked with a doped polysilicon, a tungsten silicide, and a capping poly is formed on the active region. A low density N-type dopant junction region(51) is formed on the semiconductor substrate(41) by using the poly 1 as a mask. An insulating layer spacer is formed at a sidewall of the poly 1. A high density N-type dopant junction region(57) and a high density P-type dopant junction region(55) are formed on the semiconductor substrate(41) by implanting high density N-type and P-type dopant ions. A plug poly is formed on the whole face. The plug poly is etched back and flattened. An anti-reflective layer is formed on the plug poly. High density N-type and P-type dopant ions are implanted into the plug poly. A contact plug(67) is formed by patterning the plug poly.
Patent KR-20010065401-A (KR)
Inventor: LEE JEONG NAM
IPC: H04B1/38
Filed: 1999-12-29
Abstract: PURPOSE: A method for storing and calling telephone numbers in a wireless terminal is provided to offer a method to easily execute the storing and calling of telephone numbers in a wireless terminal. CONSTITUTION: A control part checks whether a telephone number is inputted through a key input part according to a user's request(200). If the telephone number is inputted, the control part checks whether a send key is pushed(210). If the send key is pushed, the control part executes calling to the pushed number(280). In case that the send key is not pushed, the control part checks whether a specific numeric key is pushed for more than a given time(220). If the specific numeric key is pushed for more than the given time, the control part searches for the telephone number address corresponding to the inputted specific numeric key and checks whether the telephone number address is empty(230). If the telephone number address is empty, the control part makes the user input a name(240). Then the control part stores the inputted telephone number and name in the telephone number address(240).
Patent KR-20010065612-A (KR)
Inventor: KIM HYUNG BAE
IPC: B28D1/00
Filed: 1999-12-30
Abstract: PURPOSE: A natural stone processing device is provided to improve the performance of abrasion processing, and the strength and durability of a rotation drum by attaching shaped steels and polygonal pipes on the inner and outer walls of the rotation drum rotating to mix natural stones. CONSTITUTION: A natural stone processing device includes ring-shaped guide rails(12) mounted at both ends and in the middle of a polygonal rotation drum(10), respective two rollers(18) supported by saddles(20) in the middle part below the guide rails to slidingly rotate, a hinge(24) of a movable plate(22) mounted in the middle of the saddle for the pivoting of the saddle with respect to the hinge, a base plate(34) penetrated on four corners by anchor bolts(30) fixed to a base(28) and controllable in height by nuts(32), and a compression coil spring(36) mounted between the movable plate and the base plate, wherein saddles(20') respectively rotatably mounted on both sides below the guide rails and respectively supporting two rollers(18') pivoted by pivots(40) with respect to hinges(38) fixed both slant parts(28') of the base, the outer and inner walls of the rotation drum are fused with shaped steels(42) and pipes(44) in the longitudinal direction, and a lid for opening or closing an opened part of the rotation drum is mounted with links on both sides, the links fixed with handles corresponding to rings fixed to the outer wall of the rotation drum.
Patent KR-20000068490-A (KR)
Title: 전자파의 진폭정보와 위상을 감지하는 방법 및 장치
Filed: 1997-09-05
Abstract: 본 발명은 전자파의 진폭 정보와 위상을 감지하기 위한 방법과 장치에 관한 것으로서, 상기 방법을 얻어내기 위한 공간 깊이 분해능을 야기시키기 위하여 다음과 같은 단계로 이루어진다. 
     전자파가 적어도 하나의 픽셀에서 구성된 포토닉 혼합 요소의 표면으로 조사되고, 이 픽셀은 적어도 두 개의 광민감 변조 광 게이트 G am G bm 와 관련된 어큐뮬레이션 게이트 G a G b 를 갖는다; 
     U am (t)= U 0 + U bm (t)과 U bm (t)= U 0 - U m (t)로 구성된 변조광 게이트 전압 U am (t)와 U bm (b)은 변조광 게이트 G am G bm 로 적용된다. 
     변조 전압 U m (t)의 진폭과 전체 전압 U 0 와 적어도 동일한 크기를 갖는 직접적인 전압이 어큐뮬레이션 게이트 G a G b 에 적용된다. 
     입사 전자파에 의하여 변조광 게이트 G am G bm 의 차지 영역에서 발생된 차지 캐리어는 변조광 게이트 전압 U am (t)와 U bm (b)의 극성의 기능으로 작용한다; 
     차지 q a q b 는 각각 어큐뮬레이션 게이트 G a G b 로 표류되어 변환된다. 
     포토닉 혼합 요소는 적어도 두 개의 광감도 변조 광 게이트(G am , G bm )와 변조 광 게이트와 관련된 어큐뮬레이션 게이트(G a G b )로 구성된 적어도 하나의 픽셀을 갖고, 입사 전자파에 관해 분배된다. 
     다수의 포토닉 혼합 요소는 배열을 형성하기 위하여 조합될 수 있다.
Patent KR-20000048661-A (KR)
Title: Coaxial bushing filter
Inventor: GAUT AHIM
IPC: H03H1/00
Filed: 1997-07-21
Abstract: PURPOSE: A coaxial busing filter is provided to be able to manufacture a busing filter simply and cheaply. CONSTITUTION: A capacitance wire having a couple of a part capacitances is wired directly ferromagnetic longitudinal element(2). The wire comprises a couple of metal foil(5), dielectric foil(4), and a coating supporting foil(6). The metal foil(5) is wired directly on ferromagnetic longitudinal element(2) with the dielectric foil(4) and the coating supporting foil(6). In this case, a couple of metal foil(5) forms a couple of part capacitance having a wire with a metal layer and dielectric foil(4) on coating supporting foil(6). Crossing span conductor(7) contacting with the wire is arranged in ferromagnetic longitudinal element(2) by a conductive contact element(3). Conductive surface is provided for having a contact of capacitances(C1,C2) via ferromagnetic crossing span(7) form into a supporting surface of the metal foil(5).
Patent KR-19990084214-A (KR)
Title: 무선기기용안테나
IPC: H01Q1/08
Filed: 1997-01-29
Abstract: 본 발명은 이동 통신 무선 전화기 및 PCS등의 무선 기기에 설치되어 소정의 전파를 송신하고 수신하는 무선 기기용 안테나에 관한 것으로, 일끝단에 원형 홈부(10)를 갖는 지지부(11)를 일체형으로 형성하고, 원형의 삽입부(13)와 장공(14)을 가진 연결편(15)을 형성하여 상기 연결편(15)의 삽입부(13)를 지지부(11)의 홈부(10)에 탄력적으로 결합시킬 수 있도록 구성한다.
Patent KR-20000052824-A (KR)
Inventor: LINDSTROEM JAN
IPC: D21G3/00
Filed: 1996-11-08
Abstract: PURPOSE: Method and device in paper machine or equivalent or in finishing device of same for removal of dust is provided for a method in a paper machine or equivalent or in a finishing device of same for removal of dust, in which method a blowing is directed at the web. CONSTITUTION: Method and device in paper machine or equivalent or in finishing device of same for removal of dust has a method in a paper machine or equivalent or in a finishing device of same for removal of dust. In a method, before the dust separating blowing (P) in the running direction of the web (W), a vortex flow (P2) is produced so as to prevent carriage of the dust into the environment and to compensate for the suction effect. Further, the invention concerns a device in a paper machine or equivalent or in a finishing device of same for removal of dust, in which device (10) there are blow elements (11, 13, 20) for producing a blowing (P) that separates dust from the web (W) and suction elements (14, 16, 15) for producing a suction effect so as to remove the dust that is separated out of connection with the web. The device (10) comprises an arrangement (20, 17, 18) for producing a vortex flow (P2) before the dust separation blowing (P) in the running direction of the web (W) so as to prevent carriage of the dust into the environment and to compensate for the suction effect.
Patent KR-20000069216-A (KR)
IPC: G02B6/36
Filed: 1997-10-28
Abstract: 광섬유 장치의 자동화 제조 시스템은 광섬유 장치의 자동화 생산내의 환경 및/또는 주위를 조절하는 체임버를 포함한다. 섬유 광학 소자를 자동으로 생산하기 위하여 내부의 적어도 하나의 환경 및 분위기를 조정하는 체임버와, 상기 체임버와 소통하며, 상기 체임버의 환경 및 분위기를 사실상 밀봉하고, 그를 통해 상기 체임버 내로 삽입될 수 있도록 적어도 하나의 광섬유를 수용하는 적어도 하나의 밀봉 가능한 입력 포트와, 상기 체임버 내에 배치되며, 적어도 하나의 광섬유에 고정될 수 있는 적어도 하나의 클램프를 포함하는 적어도 하나의 이동 가능한 고정 스테이지와, 상기 체임버 내에 배치되며, 적어도 하나의 광섬유에 에너지를 인가하는 적어도 하나의 에너지원과, 상기 체임버 내에 배치되며, 그를 통해 적어도 하나의 광섬유를 수용하고 그에 고정할 수 있도록 된 공동을 포함하며, 상기 적어도 하나의 밀봉 가능한 입력 포트로부터 상기 적어도 하나의 이동 가능한 고정 스테이지로 그리고 상기 적어도 하나의 에너지원에 의해 인가된 에너지를 받아들일 수 있는 사전 설정된 위치로 적어도 하나의 광섬유를 수송할 수 있도록 된 적어도 하나의 파지 장치를 포함하는 것을 특징으로 하는 섬유 광학 소자의 자동 생산 시스템을 개시한다.
Patent KR-20000069284-A (KR)
Title: 개별적인 층상 구조체 및 그 제조 방법
IPC: B32B37/22
Filed: 1997-11-20
Abstract: 본 발명에 따르면 개별적인 층상 구조체(12)와 이것의 제조 방법이 제공된다.  폭을 가로질러 절단선을 갖는 연속적인 웨브 층상 구조체(14)가 제공되어 있다.  이 연속 웨브 층상 구조체(14)는 두 개가 수납층(1, 2) 사이에 미립자 물질(6, 7, 9)를 함유한다.  2개의 수납층(1, 2)중 일층은 액체 투과성이다.  액형의 열가소성 물질(16)이 연속적인 웨브류 층상 구조체의 절단선의 적어도 일부에 가해진다.  열가소성 물질(16)은 각각의 적용 점에서 2개의 수납층(1, 2)을 결합할 것이다.  열가소성 물질(16)은 경화가능하다.  연속적인 웨브 층상 구조체(14)는 가해진 열가소성 물질(16)내의 절단선을 따라 절단되어 개별적인 층상 구조체(12)를 제공한다.
Patent KR-20000057550-A (KR)
Title: Shoe lasting adhesive
Inventor: MCBRIDE EDWARD
IPC: C09J123/08
Filed: 1997-12-11
Abstract: PURPOSE: Provided is a hot-melt adhesive for use as a shoe last adhesive, particularly one in a form for use in a direct through feed adhesive dispensing system, made from a melt-blend of a copolymer of ethylene and carboxylic acid, a synthetic wax such as a Fischer-Tropsch wax, and an ethylene/unsaturated carboxylic acid wax having a melt index of at least about 5000 dg/min. CONSTITUTION: Provided is a hot melt adhesive, particularly one in the form of a rod, strip, strand, or the like for use in a direct through feed adhesive dispensing system and, more particularly, for shoe last adhesive applications. It consists essentially of (a) a copolymer of ethylene with an unsaturated carboxylic acid selected from the group consisting of acrylic acid (E/AA copolymer) and methacrylic acid (E/MAA copolymer) having a melt index (Nit) as if measured by ASTM 1238 Condition E of at least 100 deci-grams per minute (dg/min.) to about 2000 dg/min. but preferably about 500 dg/min., (b) a synthetic wax selected from the group consisting of Fischer-Tropsch wax, polyethylene wax, and their oxidized counterparts, and (c) a high melt index E/AA or E/MAA copolymer having a melt index as if measured by ASTM 1238 Condition E of at least about 5,000 dg/min. but preferably at least 10,000 dg/min. The high melt index E/AA or E/MAA copolymer of this invention have viscosities of less than about 5000 centipoise (cp.), preferably of about 600 cp. at 1400C.
Patent KR-20000069836-A (KR)
Title: 로킹을 사용한 캐시 대체방법
IPC: G06F12/08
Filed: 1998-09-24
Abstract: 각각 로킹을 사용하는 캐시 대체방법을 할 수 있게 하는 컴퓨터 시스템, 캐시 메모리 및 프로세스이다.  컴퓨터 시스템은 처리장치 및 메모리 시스템을 포함하며, 이 메모리 시스템은 상위레벨 메모리, 캐시 메모리 및 로크 순서할당 자원을 포함한다.  상위레벨 메모리는 정보저장을 제공하며 캐시 메모리는 그 정보의 일부를 캐시블록에 복사하며, 캐시 메모리는 세트 및 웨이로 조직된 요소를 포함하며 대체방법을 지원한다.  로크 순서할당 자원은 전체 웨이보다 적은 세분성(granularity)과, 선택된 웨이 중 하나의 선택된 시작 요소부터 시작하여 선택된 순서로 한 요소씩, 그 선택된 웨이를 통해 진행되는 요소 로킹의 선택된 연속성을 지원한다.  프로세스는 전체 웨이보다 적은 세분성을 설정하는 단계, 로킹 시작 요소를 선택하는 단계, 로킹에 사용할 수 있는 웨이를 선택하는 단계, 선택된 웨이 중 하나의 선택된 시작 요소부터 시작하여 선택된 순서로 한 요소씩 그 선택된 웨이를 통해 진행되는 요소 로킹의 선택된 연속성을 선택하는 단계를 포함한다.
Patent KR-20010006139-A (KR)
Title: Device for chopping garlic
IPC: B26D3/00
Filed: 1999-01-15
Abstract: The garlic press has a casing (6), which carries a knife (8) at its bottom edge and has an upper part (2) with a stamp (12) fastened to it, which is turned about the casing opposite a cutting grid (5b) that rotates in the casing (6). An inner body (7) contains the garlic and contains the cutting grid. The stamp is fixed on a spindle (4) and is pressed against the garlic over the cutting grid by an outer nut (3), which acts on the spindle and gives it a longitudinal sliding movement.
Patent KR-20010020438-A (KR)
Title: 주입가능한 알기네이트 조성물
IPC: A61K31/734
Filed: 1998-04-23
Abstract: 본 발명은 굴루론산 잔기에 대한 만누론산 잔기의 평균 비가 0.6:1 이상인 고농도의 나트륨 알기네이트 및 알칼리 금속 중탄산나트륨을 포함하는 주입가능한 수성 액체 조성물을 제공한다.  또한, 본 발명은 위장 점막 조직 상에 보호 피막을 형성하기 위한 알기네이트 또는 알긴산, 이의 용도 및 이를 포함하는 조성물을 제공한다.
Patent KR-20010068827-A (KR)
Title: Apparatus and method for driving control of single phase switched reluctance motor
Inventor: KIM SANG DU
IPC: H02P27/08
Filed: 2000-01-10
Abstract: PURPOSE: An apparatus and method for controlling driving operation of single-phase switched reluctance motor is provided to achieve an improved safety and reliability of product by preventing damage to the internal component of the motor caused due to reverse rotation of the motor. CONSTITUTION: An apparatus comprises a single-phase switched reluctance motor(SRM)(10); the first sensor(20) for sensing the location of the low speed driving rotor of the single-phase SRM ; the second sensor(30) for sensing the location of the high speed driving rotor of the single-phase SRM; an AND gate(700) for performing AND logic operation to outputs from the first sensor and the second sensor; and a micro computer(400) for detecting the current rotational frequency of the single-phase SRM and the location of rotors in accordance with outputs of first and second sensors, outputting a driving signal for permitting the driving pulse having a pulse width corresponding to the detected rotational frequency, to be applied to the single-phase SRM, and stopping outputting of driving signal upon detection of reverse rotation of the single-phase SRM in accordance with the output from the AND gate; a pulse generating unit(50) for generating pulses in accordance with the driving signal output from the micro computer; and a driving unit(60) for supplying power corresponding to the pulse generated from the pulse generating unit so as to drive the single-phase SRM.
Patent KR-20000076566-A (KR)
IPC: H03F3/21
Filed: 2000-01-29
Abstract: 제1 및 제2 바이어스 전압 쌍(pair)에 의해 바이어스된 G급 증폭기, 구동 제어 회로(drive control circuit)및 제2 바이어스 전압 쌍에 의해 바이어스된 제2 증폭기(C)를 포함하고, 구동 제어 회로(DCD)는 G급 증폭기 내의 전류가 제1 바이어스 전압 쌍으로부터 제2 쌍까지 내부적으로 스위치될 때의 입력 신호 진폭보다 높은 입력 신호 진폭일 때 상기 제2 증폭기(C)를 턴 온 하는 증폭기 장치가 개시된다.
Patent KR-20010081291-A (KR)
Title: a wastewater treatment equipment
Inventor: CHO DEOK HUI
IPC: C02F11/00
Filed: 2000-02-11
Abstract: PURPOSE: A portable sewage and wastewater treatment apparatus is provided to reduce installation space, make it possible to move the apparatus to another place and minimize maintenance cost by simplifying its structure. CONSTITUTION: A flow control tank(2) equipped with a drainage pump(21) and a drainage pipe(22) stores sewage and wastewater flown from a movable case(1). A filtration tank(3) is equipped with a diffuser(31) at the bottom and a membrane filter(32) on the diffuser(31), which filters the sewage and wastewater flown from the flow control tank(2) via the drainage pipe(22). A discharge pump(4) discharges water purified by the membrane filter(32) to outside of the filtration tank(3).