baber/WOPTO huggingface dataset:
Patent KR-20000029229-A (KR)
Inventor: HUJITAE SUNORI
IPC: A61G3/00
Filed: 1999-10-21
Abstract: PURPOSE: A vibration damping structure for an ambulance is provided to prevent a patient from feeling unpleasant when rapidly stopping an ambulance or reducing speed. CONSTITUTION: A lower frame(72) is placed on a specific position by coil springs(114,116), permanent magnets(110,112,118,120) and a buffer(144) as a patient is carried on a vibration damping structure. The lower frame shakes the head part of itself around the rotational center against the pressurizing force of the coil spring(116) or the repulsive force of the permanent magnets(110,118) if acceleration is inputted by a sudden brake. A lever(78) has upper and lower ends connected to a slider(76) and the lower frame respectively to lift up the head part of the lower frame. The front element of the acceleration caused by the sudden brake is reduced by the rear element of the gravity acceleration while the rest elements not reduced by the rear element of the gravity acceleration is reduced by the force of the coil springs(114,116), the repulsive force of the permanent magnets(110,118) and the damping force through the electromagnetic induction between permanent magnets(126,128) and a conductor(130).
Patent KR-20010039179-A (KR)
Inventor: LEE YUN SEONG
IPC: H01L27/108
Filed: 1999-10-29
Abstract: PURPOSE: A method for forming a storage electrode of a cylinder-typed capacitor is to prevent a sidewall spacer of a storage electrode contact from being etched by forming the sidewall spacer and an etching stopping layer in a different substance. CONSTITUTION: An interlayer dielectric is formed on a semiconductor substrate(100), and is etched to form a contact on a predetermined portion of the substrate. An insulating film spacer is formed on a sidewall of the contact, and a buried contact is formed by filling a conductive substance in the contact. An etching barrier film(340) is formed on the interlayer dielectric and the buried contact, and a sacrificial oxide film is formed on the etching barrier film. The sacrificial oxide film and the etching barrier film are etched to form an opening(380) for a storage electrode exposing a portion of the interlayer insulating film and the buried contact. A conductive film is formed on the opening and the sacrificial oxide film.
Patent KR-20000035241-A (KR)
Title: Image sensor
Inventor: MURAMATSU YOSHINORI
IPC: H04N5/341
Filed: 1999-11-04
Abstract: PURPOSE: An image sensor is provided to adopt a source follower for outputting a photoelectric conversion voltage to a data line. CONSTITUTION: An image sensor comprises a pixel array(1), a noise control part(2), current sources(7,8), amplifiers(9,10), and current control circuits(11,12). The pixel array(1) have a plurality of pixels(1n-1n+3) arranged in a column and plural rows. The noise control part(2) has a plurality of noise control circuits(2n-2n+3) connected to correspond to the pixels, respectively. Four NMOS transistors(3n,4n,5n,6n) are configured so as to correspond to the noise control circuits(2n-2n+3). In order to amplifier a signal voltage held in a capacitor(CL) of the corresponding noise control circuit(2n), the transistor(3n) is connected to the current source(7) through the transistor(4n) so as to form a source follower circuit. In order to amplifier a signal voltage held in a capacitor(CR) of the corresponding noise control circuit(2n), the transistor(5n) is connected to the current source(8) through the transistor(6n) so as to form a source follower circuit. The transistors(4n,6n) are controlled by a corresponding bit line read control signal(YSWn).
Patent KR-20010046168-A (KR)
Inventor: JUN GYE HYEONG
IPC: C07D301/00
Filed: 1999-11-11
Abstract: PURPOSE: Provided is an improved process for injecting reaction inhibitors more effectively in the process of manufacturing ethylene oxide by replacing a thermal mass discharge meter with an orifice-type discharge meter. CONSTITUTION: In the process of manufacturing ethylene oxide by reacting ethylene with oxygen, the improved process for injecting reaction inhibitors is characterized by the following steps of; i) installing orifice-type discharge meter (22) instead of a thermal mass discharge meter to control ethylenedichloride depending on the gap of pressure, not temperature; ii) controlling the infusion of ethylenedichloride with discharge control valves (30, 31); and iii) making bypasses of the orifice-type discharge meter (22) and the two discharge control valves (30, 31).
Patent KR-20010046554-A (KR)
Inventor: JUNG KYE YOUNG
IPC: B25B13/00
Filed: 1999-11-07
Abstract: PURPOSE: A strong wrench and a strong spanner are provided to reduce a manufacturing cost by manufacturing a compact and strong decelerator and to control increased force rate without using a portable wrench. CONSTITUTION: A strong wrench and a strong spanner include a fixing device. The fixing device has a fixed grip(10) bent in the same shape at upper and lower portions and mounted at a side of the fixing device, a connecting plate(10a) mounted on the fixed grip and having mounting holes(11,11',3b) and a connecting pin(3a) for connecting a wrench body(1), a rotating ring(16) mounted at a side of a right front end, and a holding rod(14) connected with a lever(17) at the other side. The holding rod disperses strong pressure to rotating rings(13,13',16), the holding rod and the fixed grip.
Patent KR-20010054872-A (KR)
Inventor: JUN YE IM
IPC: H04M3/487
Filed: 1999-12-08
Abstract: PURPOSE: An extrinsic information guidance service method in serving a telephone number is provided to construct a database by editing and processing desired extrinsic information transferred from subscribers and to offer the edited/processed contents to subscribers with telephone number service. CONSTITUTION: If subscribers provide their own extrinsic information to a telephone number information center(301), the telephone number information center edits and processes extrinsic information through an information/edit/search terminal(302), and stores it in an information database(303). If a user who wants extrinsic information refers to the telephone number information center for desired extrinsic information with a telephone number(304), a telephone operator or the information/edit/search terminal searches the information database for the telephone number and desired extrinsic information(305) and informs the user of the searched telephone number with desired extrinsic information(306).
Patent KR-20010055168-A (KR)
Inventor: JANG GIL JIN
IPC: G06F17/00
Filed: 1999-12-09
Abstract: PURPOSE: A method for confirming a speaker on the Internet environment is provided to embody a system having an effectiveness and a convenience on a security by extracting a personal characteristic through a voice and using the personal characteristic to a security. CONSTITUTION: If a user speaks a voice to a personal computer(200) having an Internet phone, a packet loss of the voice speaking(100) is corrected by a packet loss compensating device(400) through an Internet phone(300). In addition, the voice speaking(100) is confirmed by a speaking confirming device(500) being mounted on an output unit of the Internet phone(300). Also, a user certification is performed by a server(600). If a speaking confirming system is provided to an output unit of the Internet phone and a voice loss by a packet loss is corrected, a system capable of performing a security certification in an electronic commercial transaction may be developed.
Patent KR-20010057831-A (KR)
Inventor: KIM JEONG SANG
IPC: H04B7/155
Filed: 1999-12-23
Abstract: PURPOSE: An apparatus for controlling a transmission gain in a base station system of mobile communication is provided to make a TPTL(Transmit Power Tracking Loop) function performed easily, by detecting a final output of a base station and an output from an IF(Intermediate Frequency) signal output terminal, and then keeping the difference between the two outputs constant. CONSTITUTION: A splitter(20) divides an input IF signal into two signals. A variable attenuator(23) controls a level of a signal. A detection part(21) detects intensity of the IF signals output from the splitter(20), and thereby converts them to DC signals according to the intensity thereof. An up-converter(24) converts an IF signal applied from the variable attenuator(23) to an RF(Radio Frequency) signal. An amplifier(25) amplifies the RF signal output from the up-converter(24). A band pass filter(26) filters a noise signal out of a transmission band from the amplified RF signal. A variable attenuator(28) attenuates the signal filtered by the band pass filter(26) so that a ratio of input output signals can be controllable.
Patent KR-20010059847-A (KR)
Inventor: HUH GON
IPC: F01M11/00
Filed: 1999-12-30
Abstract: PURPOSE: An oil injecting nipple of an engine cylinder is provided to reduce abrasion of an engine through directly injecting abrasion oil to a cylinder block through a main gallery. CONSTITUTION: A main gallery(2) is formed for supplying lubricating oil to a cylinder block(1). A nipple(3) is combined for directly injecting the lubricating oil into the main gallery while preventing the oil from being flowed out. Herein, the nipple is formed by a housing(3a) having a screw unit, an oil injection passage(3b) passing through the housing, and a check valve flowing the oil in one direction. The check valve is formed by a spring seat(3ca) installed on the inner wall of the oil injection passage, a spring(3cb) supported by the spring seat; a ball(3cc) elastically supported, and a stopper(3cd) opened and closed by the ball while having a hole connected to the oil injection passage.
Patent KR-20010060105-A (KR)
Inventor: BAEK HONG SEON
IPC: F02N11/08
Filed: 1999-12-31
Abstract: PURPOSE: A system and a method for automatically controlling discharge of a battery and start of an engine are provided to prevent discharge of the battery while improving performance of the battery and to restart the engine. CONSTITUTION: A control system is formed by a voltmeter(20) measuring voltage of a battery(10), an engine start detect instrument(30) detecting an engine state, and a control unit(40) controlling an on/off switch(60) through generating a control signal. Herein, the voltmeter measures a voltage between an anode terminal and a cathode terminal of the battery for inputting the measured value to the control unit. Thus, the value is compared with an established minimum voltage. The engine start detect instrument detects cranking after turning on a key. Moreover, the control unit compares the voltage measured in the voltmeter with the established minimum voltage while deciding engine start by using the signal detected in the engine start detect instrument. Then, the control unit performs a specific control.
Patent KR-20000068689-A (KR)
Title: Ｃｖｔ에서의 변속비 조절 장치 및 그 방법
IPC: F16H59/36
Filed: 1998-06-26
Abstract: 본 발명은 입력부 및 출력부를 포함한, 자체 변속비에서 무단으로 조절가능한 루프 기어단의 변속 조절 장치 및 방법에 관한 것이다. 상기 입력부 및 출력부는 이 때 사실상 원추형 디스크 형태를 띠는 적어도 하나의 축방향으로 이동가능한 요소를 구비한다. 센서 수단을 통하여 한편으로는 입력부 또는 출력부의 회전운동을 나타내주는 회전수 신호를 인식하고 다른 한편으로는 축방향으로 이동가능한 요소들 중 적어도 하나의 축방향 이동을 나타내주는 이동 신호를 인식할 수 있다. 본 발명의 핵심은 변속비를 조절하기 위한 수단이 구성되어 있는데, 이 수단을 사용하여 적어도 검출된 이동 신호에 따라 조절 동작을 수행한다는 점에 있다. 본 발명의 효과는 이로써 하나의 회전수 센서를 절약할 수 있는 가능성이 주어진다는 점이다. 또한 명세서 본문에 정확하게 설명된 바와 같이 전체 변속비 조절은 모터 부하와 내지는 구동선내에서 작용하는 구동 역률과는 무관하게 진행된다.
Patent KR-20000068836-A (KR)
Title: 표시 시스템
IPC: G03B21/00
Filed: 1998-09-03
Abstract: 본 발명의 표시 시스템은 정보가 입력되는 시트부재(20)와, 그 배후에 있어서 시트부재(20)과는 별체로 형성되어, 동시에 시트부재(20)상의 입력위치를 검출가능한 감압식 터치패널등의 좌표위치검출수단(10)과, 좌표위치검출수단(10)의 출력데이터가 전송되어서 시트부재(20)의 입력정보를 처리하는 컴퓨터(104)와를 갖춘다.  또한 시트부재(20)을 투영용의 스크린으로써 이용할 경우에는 컴퓨터(104)에 투영기(106)을 접속하여 시트부재(20)에 입력정보를 투영한다.  시트부재로써는 복수의 정보입력면을 가지는 것이 바람직하다.
Patent KR-20000068972-A (KR)
Title: 칫솔
IPC: A46B9/04
Filed: 1998-11-06
Abstract: 본원의 칫솔은 손잡이 와, 헤드에 고정되는 강모로 이루어진 복수 터프트 와, 손잡이로부터 연장되는 헤드를 구비하는 것이다.  일 터프트가 헤드에 고정되는 구역 보다 손잡이로부터 더 원거리에 있는 구역에서 헤드에 타 터프트가 고정되지 않도록 일 터프트가 임의 구역에서 헤드에 고정되는 것이다.  일 터프트가 헤드에 그를 통하여 고정되는 헤드의 표면과 동일 평면 또는 접선면으로 있는 가상선에 대하여 약 81도 또는 그 이하로 일 터프트가 각이 지는 것이다.  일 터프트는 헤드가 그를 따라서 손잡이로부터 연장되는 방향 쪽으로 손잡이로부터 이격져 경사지는 것이다.
Patent KR-20000069435-A (KR)
Title: 와이퍼 시스템
IPC: B60S1/38
Filed: 1998-10-08
Abstract: 본 발명은 하나의 와이퍼 시스템, 특히 자동차 유리창을 위한 와이퍼 시스템에 관계하며, 적어도 와이퍼 고무, 즉 이동 고정대 위에 닦이는 지지면과의 접촉면에서 고정이 되고, 또한 이동 고정대가 구동될 수 있는 와이퍼 아암과 연결되어 있으며, 그리고 와이퍼 고무와 이동 고정대 사이에 고정영역이 하나의 링크로 이루어져 있고, 또한 하나의 링크축이 와이퍼 고무의 종방향을 지나고 있다. 
     이에 대해서 링크(40)에 와이퍼 고무(14)의 회전운동을 흡수하기 위해서 적어도 하나의 완충연결부(42)가 장치되어 있어 있다.
Patent KR-20010006357-A (KR)
Title: 고피에이치에서의 나노 다공성 유전필름 제조방법
IPC: C01B33/158
Filed: 1998-04-03
Abstract: 본 발명은 나노 다공성 유전필름 및 그 제조방법에 관한 것이다. 이와 같은 필름은 집적회로제조에 유용한 것이다. 알콕시실란 전구체와 저휘발성 및 고휘발성 용매를 pH 약 2-5에서 혼합하고 저휘발성 염기로 pH를 약 8이상 상승시키고 반도체 기질에 침착한다. 
     대기중의 수분에 노출시킨후 나노 다공성 유전필름이 기판상에 형성된다.
Patent KR-20010012746-A (KR)
Title: 다이내믹 랜덤 액세스 메모리 제조 프로세스 및 그프로그래밍 방법을 사용하여 제조된 전기적으로프로그래밍 가능한 판독 전용 메모리
IPC: G11C14/00
Filed: 1999-03-18
Abstract: 본 발명은 다이내믹 랜덤 액세스 메모리 셀 어레이의 선택된 셀을 영구적으로 프로그래밍하기 위한 방법에 관한 것이다.  제1 선택된 셀은 제1 셀의 제1 캐패시터 플레이트를 접지시키고, 상기 어레이의 셀에 공통인 제2 캐패시터 플레이트에 프로그래밍 전압을 인가함으로써 로직 1로 프로그래밍된다.  상기 제1 캐패시터 플레이트와 제2 캐패시터 플레이트 사이에 배치된 유전체가 파괴되며, 그결과 제1 및 제2 캐패시터 플레이트가 단락된다.  제2 선택된 셀은 프로그래밍 전압이 제2 캐패시터 플레이트에 인가될때의 주기동안 제2 셀의 제1 캐패시터가 플로팅되도록 함으로써 로직 1를 저장하도록 프로그래밍된다.
Patent KR-20010012771-A (KR)
Title: 핵 연료봉을 이송 및 저장하기 위한 장치 및 상기 장치를사용하기 위한 방법
IPC: G21F5/012
Filed: 1998-05-19
Abstract: 핵연료봉을 이송 및 저장하기에 적당한 장치는 직선 구조의 금속 플레이트 벌집모양 그리드워크로 형성된 저장 셀을 가지는 바스킷을 포함하고, 상기 플레이트는 전도성 열 전달을 허용하도록 상기 그리드워크에 의해 형성된 저장 셀의 모든 인접 모서리가 완전하게 접속되도록 교차점에서 서로 용접되고, 상기 금속 플레이트는 저장 셀의 벽을 형성하는 영역에 배치된 중성자 흡수재를 가진다.  핵연료봉을 이송 및 저장하기에 적당한 장치를 만드는 방법은 a) 슬롯 및 금속 플레이트상에 배치된 재료를 가지는 금속 플레이트를 제공하는 단계, b) 슬롯이 인접 모서리를 가지며 저장 셀의 측면상에 중성자 흡수 재료를 가지는 저장 셀의 벌집모양 그리드워크를 형성하기 위하여 교차도록 상기 플레이트를 정렬하는 단계, 및 c) 그리드워크에 의해 형성된 저장 셀의 모든 인접 모서리가 전도성 열 전달을 허용하고 단단한 구조를 제공하기 위하여 완전하게 접속되도록 교차점에서 서로에 대해 플레이트를 용접하는 단계를 포함한다.
Patent KR-20010013795-A (KR)
Title: 올레핀 중합 방법
IPC: C08F10/02
Filed: 1998-06-16
Abstract: 본 발명은 올레핀 중합 방법, 구체적으로는 에틸렌 또는 프로필렌 단일 또는 공중합체의 제조 방법에 관한 것으로, 이 방법은 수소 및 η-리간드 올레핀 중합 촉매 존재하에 α-올레핀을 중합시켜 제1 중합 생성물을 제조하는 것을 포함하는 비교적 전반 단계, 및 올레핀 중합 촉매 존재하에 상기 α-올레핀을 중합시켜 상기 제1 중합 생성물보다 낮은 MFR 2 을 갖는 중합 생성물을 생성시키는 것을 포함하는 비교적 후반 단계인 2개 이상의 중합 단계를 포함한다.  본 발명은 또한 상기 방법의 올레핀 중합체 생성물에 관한 것이다.
Patent KR-20010069010-A (KR)
Inventor: PARK SEON GYU
IPC: G06F1/16
Filed: 2000-01-11
Abstract: PURPOSE: A device for engaging a speaker at the exterior of a computer monitor to detach a speaker to a computer monitor easily and to change the location of the speaker. CONSTITUTION: The first hole(30) and the second hole(34) are separately formed at one surface of a computer monitor(20), respectively. An insertion protrusion(44) is formed compared to the lower surface of a speaker(40) and installed at the lower surface of the speaker(40) for inserting into the first hole(30). A locking member(50) is formed compared to the lower surface of a speaker(40) and installed at the speaker(40) for inserting into the second hole(34). In addition, the locking member(50) is moved for making the speaker(40) be fixed at one surface of the computer monitor(20). The speaker(40) is fixed to and separated from the computer monitor(20) by the locking member(50). When the speaker(40) is separated from the computer monitor(20), the speaker(40) is supported from the bottom surface by the insertion protrusion(44) and the locking member(50).
Patent KR-20010073361-A (KR)
Title: Heterogeneous correction method and apparatus for video of flash burn equipment
Inventor: HONG SEOK MIN
IPC: H04N5/14
Filed: 2000-01-14
Abstract: PURPOSE: A method and a device for correcting image heterogeneity in thermotropic phase equipment are provided to generate a clear screen even in a still image using a micro-scanning effect as well as being operated in real time with a digital method. CONSTITUTION: In a first step, micro-scanned frame image signals are regularized into an intermediate value of a maximum dynamic range of an A/D converter. In a second step, a gain factor of pixel unit is multiplied to the regularized image signals and an offset factor is added to the resultant value to output a pixel signal with heterogeneity being corrected by performing de-regularization. In a third step, the average value of vertical/horizontal 4 adjacent pixels is set as a reference value on the basis of the corrected pixel signals, and the difference between the reference value and a value of a current output pixel signal is output as an error value. In a fourth step, the gain factor and the offset factor are calculated in a direction that an error in a (n+1)th frame is decreased by referring the error value to the update of a correction factor.
Patent KR-20010076660-A (KR)
Title: Method for fabricating semiconductor capacitor
Inventor: HWANG SUN HONG
IPC: H01L21/02
Filed: 2000-01-27
Abstract: PURPOSE: A method for fabricating a capacitor is provided, which has a MIM(Metal-Insulator-Metal) structure to have a symmetric C-V curve, and to increase an effective surface area of a bottom electrode of the capacitor without using a process of forming an HSG(Hemispherical Silicon Grain) film. CONSTITUTION: A gate oxide and a gate electrode(221) are formed on a semiconductor substrate(200), and a source(222) and a drain(223) are formed by implanting an impurity into the substrate on both sides of the gate electrode to form a MOS transistor(220). An interlayer insulation film(202) is formed with a silicon oxide on the substrate, and then a contact hole(203) is formed on the location of the source by etching the interlayer insulation film. A conductive plug(204) is formed in the contact hole, and a metal film pattern(205) is formed on the polysilicon plug and the interlayer insulation film. Then a polysilicon layer(206) is formed on the metal film pattern and the interlayer insulation film. And a silicidation reaction occurs by thermally treating the polysilicon layer and the metal film pattern to form a silicide layer(207). And the residual polysilicon layer is selectively etched. The silicide layer surrounding the surface of the metal film pattern is removed. After forming a dielectric film(208) on the surface of the metal film pattern, a top electrode(209) of the capacitor is formed on the surface of the dielectric film.
Patent KR-20010077148-A (KR)
Title: Method for sending/receiving email and the attached file
Inventor: LEE CHANG HO
IPC: H04W4/14
Filed: 2000-01-31
Abstract: PURPOSE: A method of transmitting and receiving an e-mail and a file attached to the e-mail is provided which sends URL information of the attached file to a receiver without delivering the file to reduce the quantity of data of the mail. CONSTITUTION: A transmitting part(200) inputs ULR of the first server(210) that provides e-mail and attached file transmitting service through a web browser to be connected with the first server in order to send the e-mail and attached file to a specific receiver(230). The transmitting part forms a mail including the e-mail and attached file. The mail is up-loaded to the first server. The mail is transmitted to the mail server of the receiver. The receiver is connected to the mail server to confirm the mail.
Patent KR-20000076614-A (KR)
Title: 미싱제어박스
IPC: D05B73/04
Filed: 2000-02-08
Abstract: 본 발명에 따른 미싱제어박스는 본체부(100A)에 대하여 지지축(21a)(21a)을 중심으로 회전가능하게 설치된 개폐커버(10)와, 이 개폐커버(10)를 개방할 때에 개폐커버(10)에 접촉하는 접촉부(25)(25)를 갖는 후방커버(20)를 구비한 미싱제어박스(100)이다. 접촉부(25)(25)는 지지축(21a)(21a)의 축방향으로 지지축으로부터 소정량 떨어진 위치에 설치되고, 개폐커버(10) 및 후방커버(20) 중 최소한 한쪽은 탄성을 갖는 수지재로 형성된다. 또, 개폐커버(10)를 폐쇄할 때, 개폐커버(10)의 위치결정을 행하는 위치결정수단을 설치하였다. 
     이러한 구성에 따라 개폐커버가 필요없을 때에 벗겨지고, 개폐커버가 부착될 때에 개폐커버의 힌지결합부분이 파손되는 문제를 감소시키는 동시에 개폐커버에서 발생하는 덜거덕소리를 감소시킬 수 있다.
Patent KR-20010077787-A (KR)
Title: The ultvared rayed charging materials for the builbing material's use and the manufacturing way
Inventor: KIM JANG UK
IPC: C04B14/04
Filed: 2000-02-08
Abstract: PURPOSE: Far infrared emitting fillers using silicate ore composite, elvan and sericite, as main materials is provided for use in construction fields due to abundant far infrared emission, sterilization and deodorization. CONSTITUTION: The manufacturing method of far infrared emitting fillers is as follows: ball-milling elvan and sericite mixed in a ratio of 1;1 to 10-40micrometer in size; adding oxide comprising 10-20wt.% of Al, 10-20wt.% of Al2O3, 5-10wt.% of Zr, 5-10wt.% of TiO2, 5-10wt.% of TiO2, 5-10wt.% of C, 2-5wt.% of Ca3(PO4)2 1-2wt.% of MgO, based on the 100wt.% of ground silicate composite powder; sintering them at 300-800deg.C.
Patent KR-20000024360-A (KR)
Title: H-class audio power amplifier
Inventor: KOH BUM JONG
IPC: H03F3/20
Filed: 2000-02-10
Abstract: PURPOSE: An H-class audio power amplifier is provided to realize a power switching without affecting an audio signal by a simple circuit configuration. CONSTITUTION: An H-class audio power amplifier comprises a first output stage(1) which consists of a plurality of NPN transistors and a plurality of PNP transistors. A collector of each NPN transistor is supplied with a voltage(Vcc1(+)) through a diode(D1), and a collector of each PNP transistors is supplied with a voltage(Vcc1(-)) through a diode(D2). A second output stage(2a) consists of a plurality of NPN transistors each of which has a collector supplied with a voltage(Vcc2(+)). A third output stage(2b) consists of a plurality of PNP transistors each of which has a collector supplied with a voltage(Vcc2(-)). A power switching part(3) consists of constant current sources(CC1,CC2), zener diodes(ZD1,ZD2) and switching transistors(Q3,Q4,Q5,Q6), and is to switch a power to the first to third output stages(1,2a,2b). An input part(4) receives an output signal of a previous stage through an emitter follower consisting of transistors(Q1,Q2), and transfers the received signal to the power switching part(3).
Patent KR-20010081285-A (KR)
Title: Evaporator for Refrigerator
Inventor: LEE JANG SEOK
IPC: F28D1/00
Filed: 2000-02-11
Abstract: PURPOSE: A refrigerator evaporator is provided, in which tubes and fins are made up of a plastic material, to thereby reduce weight and manufacturing cost, while obtaining an improved heat transfer effect. CONSTITUTION: A refrigerator evaporator comprises a heat exchanger constituted by a plurality of tubes(34) and fins(31); a first header/refrigerant storage tank(35) for arranging a refrigerant inlet tube(33) and a refrigerant outlet tube(39) of the tube of the heat exchanger to a first bending portion where the tube of the heat exchanger is bent, and which separates refrigerant discharged through the refrigerant outlet tube and supplies the stored refrigerant to the refrigerant inlet tube in accordance with the ambient temperature; a second header(32) for supporting a second bending portion where the extrusion tube of the heat exchanger is bent; a sheath heater tube(37) for removing the frost or ice formed around the heat exchanger; and brackets(36a,36b) for connecting the sheath heater tube to the first header/refrigerant storage tank and the second header, respectively. The tubes and fins of the heat exchanger are formed into a single unit made up of a plastic material.