baber/WOPTO huggingface dataset:
Patent KR-910007114-B1 (KR)
Title: Semiconductor memory device and its manufacturing method
Inventor: SONG SEONG-HAE
IPC: H01L27/108
Filed: 1989-02-14
Granted: 1991-09-18
Abstract: The method increases the surface area of the electrode  plate of the laminated  type  capacitor  connected  to  the  MOSFET  by removing certain  part  of  the  electrode  plate  so  that   the capacitance is increased. The process for the laminated  capacitor comprises steps:  a)  forming  the  pattern  after  coating   the conductive material with certain thickness on the drain region; b) etching the conductive layer coated at certain part of the central area with constant width and thickness; forming the  nitride  type oxide layer on the upper and lateral sides  of  etched  conductive layer; and c) coating  the  conductive  material  for  the  VCC/2 electrode on the upper and lateral sides of  the  capacitor  oxide layer.
Patent KR-960008647-B1 (KR)
Title: Process for preparing polyglycerols
Inventor: GERARUTO YAKOBUSON
IPC: C07C43/13
Filed: 1989-03-08
Granted: 1996-06-28
Abstract: A process for the preparation of polyglycerols which are low in cyclic components comprises reacting glycerol or diglycerol or a higher polyglycerol with epichlorohydrin at elevated temperatures; adding base corresponding to the organically bound chlorine content of the reaction mixture, at a temperature of 50 DEG -120 DEG  C., to the unseparated reaction mixture obtained; desalting the resultant reaction mixture and recovering glycerol, diglycerol and higher polyglycerols by fractional distillation.
Patent KR-910003248-B1 (KR)
Title: Apparatus sorting fish
Inventor: SON SONG-NAM
IPC: B65D85/18
Filed: 1989-05-13
Granted: 1991-05-25
Abstract: The apparatus automatically sorts  dried anchovy by sizes.  A number of sorting screens  (2),(2')  are  mounted  spacing  of  an equidistance on in a sorting body (1). A supporting plate (6)  for anchovy is mounted to the lower of the screens (2),(2'). An outlet hole (6') is provided to  the  left  of  the  screens  (2)(2')  to communicate with feed duct (7) communcating with  an   inlet  hole (8) and an air blow duct (9). A rotating screen (10) is mounted on the front rear of the screens (2),(2').  An  inlet  tube  (12)  is fixed to  a suction duct (11). A suction hole  (14)  of  the  tube (12) is formed toward an outlet guide  (13).  A  supporting  plate (15) for the anchovy is provided on the lower of the screen (10).
Patent KR-960012876-B1 (KR)
Inventor: NAKAO KEN
IPC: H01L21/205
Filed: 1989-06-15
Granted: 1996-09-25
Abstract: 요약없음
Patent KR-920010744-B1 (KR)
Title: Method and apparatus for generating alarm as invading
Inventor: LEE HUI-DONG
IPC: G08B13/22
Filed: 1989-06-30
Granted: 1992-12-14
Abstract: The alarm generating device is composed of a sensing  section (121- 12n) which has m units of sensor (S11-Snm)  and  m  units  of resistor (R11-Rnm) to generate abnormal signal, a  micro  computer (100) generating alarm control data by the change of output of the sensing sect. monitored by n units of  input  sect.  (RD1-RDn),  a keyboard (110) generating function key  signal,  a  voice  circuit (130) linked to the  computer  to  generating  voice  alarm  by  a speaker (SP), a ladder circuit (140) linked  to  an  output  sect. (D0-D9) of the computer to generate ladder  signal,  a  number  of comparators (A1-An) linked to an  input  sect.  (RD1-RDn)  of  the computer and n units of the sensing sect. to compare the output of the sensing sect. with the output of the ladder  circuit  and  the convert into the digital  signal  to  be  inputted  to  the  input section.
Patent KR-0140709-B1 (KR)
Inventor: SHIMADA SATOSHI
IPC: H04N7/015
Filed: 1989-11-21
Granted: 1998-06-15
Abstract: 내용 없음
Patent KR-0182603-B1 (KR)
Inventor: RAETS RAETS
IPC: H02J3/28
Filed: 1989-11-28
Granted: 1999-05-15
Abstract: 주 전원(1 내지 5)으로부터 에너지를 부하(10)에 공급하는 본 발명의 회로장치는 간단한 수단으로서 균일한 에너지를 부하(10)에 공급하고 상기 부하(10)로부터 상기 주전원(1 내지 5)으로 또는 그 역방향으로의 간섭을 효과적으로 억제한다. 상기 목적을 위하여, 본 발명의 회로 장치는 둘 이상의 에너지 저장 장치(7,9)를 구비하고, 이중 하나 이상의 장치는 상기 부하(10) 또는 상기 주전원(1 내지 5)에 교호적으로 접속될 수 있다.
Patent KR-920000480-B1 (KR)
Title: Arbitration method of interrupt bus
Inventor: PARK BYUNG-KWAN
IPC: G06F13/18
Filed: 1989-12-22
Granted: 1992-01-14
Abstract: The  method  is  to  support  interprocess  communication  of multiprocessor  system.  When  an  interrupt  request  signal   is received, arbiters are  drived  fromthe  first  bit  according  to thepriorities to allow the usage of interrupt bus for  processors. The circuit  includes  an  interrupt  requester  (5)  for  request arbitration to interrupt handlers (3,4) when the interrupt request signal from processors (1,2) is received, interrupt handlers (3,4) for processing the arbitration request and interrupts  occured  in boards in which processors are deposited, an interrupt arbiter (7) for executing the  arbitration  and  sending  the  result  to  the interrupt  requestor  (5),  and  for  arbitrating  the   interrupt handlers, and  an  interrupt  bus  synchronizing  signal  (IBSYNC) driver (8) for generating the IBSYNC signal to  drive  the  signal line (9) and for  sending  the  IBSYNC  signal  to  the  interrupt requester (5).
Patent KR-920003401-B1 (KR)
Inventor: WADANADE GOJOO
IPC: A44B19/34
Filed: 1989-12-26
Granted: 1992-04-30
Abstract: 내용 없음.
Patent KR-930004048-B1 (KR)
Inventor: LUPKE MANFRED A A
IPC: B29C48/09
Filed: 1990-01-16
Granted: 1993-05-19
Abstract: 내용 없음.
Patent KR-920005070-B1 (KR)
Inventor: YARIDA YOSHIO
IPC: H05K3/40
Filed: 1990-01-20
Granted: 1992-06-26
Abstract: 내용 없음.
Patent KR-940003092-B1 (KR)
Inventor: KIUCHI NAOYUKI
IPC: B65G35/06
Filed: 1990-02-09
Granted: 1994-04-13
Abstract: 내용 없음.
Patent KR-950004477-B1 (KR)
Title: Glass solders
Inventor: KANG SANG-HUN
IPC: C03C8/24
Filed: 1990-03-12
Granted: 1995-05-01
Abstract: The glass of a low melting point composition for adhesion consists of PbO-B2O2-ZnO based glass powder and a filler. This composition has 50-95 wt% glass powder including 70-87 wt% lead oxide, 6-15 wt% boron oxide, 2-12 wt% zinc oxide, 0.5-3 wt% silica, 0.5-3 wt% alumina and 5-50 wt% the filler composed of willemanite, 2ZnOSiO2 which including a solid solution of 1-60 wt% antimony oxide. The filler enhances the fluidity of glass at low temperature and the adhesion property in IC package.
Patent KR-930006308-B1 (KR)
Inventor: WADA ICHIRO
IPC: G01K11/12
Filed: 1990-06-25
Granted: 1993-07-12
Abstract: 내용 없음.
Patent KR-920009244-B1 (KR)
Title: Carding machine
Inventor: KIM HAK-CHOL
IPC: D01G15/00
Filed: 1990-08-30
Granted: 1992-10-15
Abstract: The machine for manufacturing fiber  sheets  such  as  cotton sheet, absorbent cotton etc., has a fiber drawing brush  contacted with a feed cylinder in order to  facilitate  the  fiber  drawing, make  the  thickness  of  the  sheet  uniform  and  increase   the productivity. The machine comprises a guide  cylinder  (1)  having toothed gears (2)(2') on the surface, a feed cylinder (1'),  fiber flying passage (10) near the cylinder (1'), sheet forming cylinder (12) with micro air-suction holes (13) on main  wall,  air-suction damper (14) being opposite to the passage  (10)  in  the  cylinder (12), fiber drawing brush (11)  near  the  cylinder  (1')  in  the passge (10).
Patent KR-100226088-B1 (KR)
Inventor: FUKUSHIMA TADASHI
IPC: G09G5/36
Filed: 1990-10-16
Granted: 1999-10-15
Abstract: 메인 메모리(203), 표시 데이터를 유지하기 위한 비트 맵 메모리를 포함하는 버퍼(205), 메인 메모리에의 액세스를 가상 어드레스로부터 물리 어드레스에의 변환을 포함하여 행하여 데이터 처리를 행하기 위한 중앙처리장치(201), 메인 메모리, 버퍼에 접속되어 데이터를 표시하는 형태로 처리하기 위한 도형처리장치(100), 중앙처리장치, 메인 메모리, 도형처리장치에 접속되고 이들의 사이에서의 데이터 교환을 가능하게 하는 시스템 버스 인터페이스(211), 시스템 버스 인터페이스에 접속되어 메인 메모리에 액세스하기 위하여 가상 어드레스로부터 물리 어드레스에의 변환을 행하여 데이터를 처리 하기 위한 묘화 처리 유닛(101), 중앙처리장치 및 도형처리장치로 부터의 인터페이스 사용의 요구(S)의 사이의 조정을 행하여 액세스권을 한쪽에 부여하는 버스 조정 장치(202), 인터페이스의 중앙처리장치에의 해제를 요구하기 위한 신호를 어서트하기 위한 서스펜드회로를 포함하는 도형 처리 시스템이다.
Patent KR-960011404-B1 (KR)
Title: Detector
Inventor: KIM JONG-HAE
IPC: H03D3/28
Filed: 1990-10-20
Granted: 1996-08-22
Abstract: The detection circuit for maintaining a detector stable for temperature in a cellular phone by checking the variation of an output level to vary a resonance frequency according to the temperature, includes a discriminator shifting the resonance to bypass a carrier signal out of modulated signals under a tuning control voltage, a detector receiving the modulated signals to amplify them twice(the first for just the signals and the second for high frequency filtered), an integral amplifier integrating an output from the detector to provide them to the discriminator.
Patent KR-100198991-B1 (KR)
Title: Process for preparing individualized polycarboxylic acid crosslinked fibers
Inventor: CARLISLE MITCHELL HERRON
IPC: D06M13/292
Filed: 1990-11-06
Granted: 1999-06-15
Abstract: Disclosed is a process for making individualized, crosslinked fibers which includes the steps of providing cellulosic fibers, contacting the fibers with a solution containing a C2-C9 polycarboxylic acid crosslinking agent, mechanically separating the fibers into substantially agent, mechanically separating the fibers into substantially individual form, drying the fibers and reacting the crosslinking agent with the individualized fibers and reacting the crosslinking bonds. Preferably, the crosslinking agent is citric acid, and preferably, between about 0.5 mole % and about 10.0 mole % of the crosslinking agent reacts to form the intrafiber crosslink bonds. The individualized, crosslinked fibers are useful in a variety of absorbent structure applications.
Patent KR-930009838-B1 (KR)
Title: Cotton bales and method of producing same
Inventor: KINOSHITA TSUKASA
IPC: D06M15/643
Filed: 1991-04-04
Granted: 1993-10-11
Abstract: While cotton bales are produced by obtaining lint cotton by subjecting collected seed cotton to a ginning process, linear polyorganosiloxane of a specified type which has 10 - 6000 siloxane units and is insoluble or dispersive in water is attached to the seed cotton or to the lint cotton in an amount from 0.03 - 20. weight % with repsect to the lint cotton.
Patent KR-100189388-B1 (KR)
Title: Chelating compounds and their use
Inventor: SERI SHIGEMI
IPC: C07C311/41
Filed: 1991-04-10
Granted: 1999-06-01
Abstract: A chelating compound of the formula:    (R-NHOC-CH2)n-A-(CH2COOH)m   (I)   wherein R is an aromatic ring-containing organic group, A is a residue of an aminopolyacetic acid excluding acetic acid groups (-CH2COOH) therefrom, m is an integer of at least two and n is an integer of 1 or 2, or its salt, which has a specificity to a hepatobiliary system so that a chelate compound formed between said chelating compound and a metallic element through a chelate bond is useful as a diagnostic or therapeutic agent for hepatobiliary organs and tissues. <IMAGE>
Patent KR-930008099-B1 (KR)
Title: Process for making syrud in the ginseng and honey
Inventor: KIM YUN-JONG
IPC: A23L21/20
Filed: 1991-04-16
Granted: 1993-08-26
Abstract: A process for preparing ginseng  honey  syrup  comprises  (1) washing ginseng, drying, sterilizing by ethyl alcohol and grinding to 100 mesh, (2) heating honey  in  a  double  boiler  to  elevate sweetness concentration by 30 % of the original  honey  sweetness. Products from (1) and (2)  are  mixed  uniformly  to  prepare  the syrup.
Patent KR-940009275-B1 (KR)
Title: Waste water and oil treatment method
Inventor: KIM CHOL-SU
IPC: C02F1/40
Filed: 1991-06-11
Granted: 1994-10-06
Abstract: The method for treating waste oil without separator of water and oil comprises; (A) decomposing and solubilizing waste oil by water-solubilizing agent that consists of methanol and kalium hydroxide and separating by emulsifier; (B) neutralizing to pH 7-8 with a slaked lime; (C) percipitating floating matters by polymer cohesive agent; (D) dehydrating floating matters and discharging treated water after neutralizing again.
Patent KR-940000262-B1 (KR)
Title: Noise reduction circuit
Inventor: JONG DOK-YONG
IPC: H03G9/02
Filed: 1991-06-14
Granted: 1994-01-12
Abstract: The circuit comprises a main signal path and auxiliary signal path having a high-pass filter characteristic. The circuit may be used as a compression circuit or an expansion circuit in conjunction with a transmitter or a receiver, respectively. The auxiliary signal path includes a voltage dividing circuit, a voltage-to-circuit converting circuit, a differential amplifier, and a voltage buffer connected between an input terminal and an operational amplifier. The main signal path is constituted by a resistance connected between the input terminal and the operational amplifier.
Patent KR-940004598-B1 (KR)
Title: Semicondcutor device and making thereof
Inventor: JONG JAE-SUNG
IPC: H01L27/108
Filed: 1991-06-14
Granted: 1994-05-25
Abstract: The DRAM cell structure comprises a first conductive-type substrate for plate electrode, in which a trench is formed; a dielectric layer formed on the ground and sidewall of the trench; a second conductive-type polysilicon layer formed in the trench between the dielectric layer; a first conductive-type lightly doped epitaxial layer formed on the second conductive-type polysilicon layer; and a gate electrode formed on the sidewall of the epitaxial layer between a second conductive-type drain and source region formed on the surface of the epitaxial layer, thereby restraining the leakage current between the adjacent trench, and fabricating the bitline easily.
Patent KR-960010090-B1 (KR)
Inventor: GERHARD JACOBUS MOSTERT
IPC: C01B21/076
Filed: 1991-07-24
Granted: 1996-07-25
Abstract: 없음
Patent KR-0150465-B1 (KR)
Title: Process for producing amino acids
Inventor: MOTOYAMA HIROAKI
IPC: C12P13/08
Filed: 1991-08-02
Granted: 1998-08-17
Abstract: Disclosed is a process for producing amino acids such as L-threonine and L-lysine, which comprises culturing, in a medium containing methanol as a major carbon source, a microorganism which belongs to the genus Methylobacillus and which has an ability to produce the amino acid(s) and resistance to at least one member selected from the group consisting of L-threonine, L-lysine and an amino acid analogue, said microorganism being obtained by mutation of a parent strain which belongs to the genus Methylobacillus and which has an enhanced sensitivity to at least one of an antibiotic and an amino acid analogue; allowing the amino acid(s) to accumulate in the culture; and recovering the amino acid(s) therefrom.
Patent KR-940011823-B1 (KR)
Title: Method of processing waste water including formaldehyde
Inventor: MUN SUNG-SU
IPC: C02F1/52
Filed: 1991-09-10
Granted: 1994-12-26
Abstract: The slaked lime as catalyst of 0.05-0.15 wt.% is inputted in a waste water containg formaldehyde and persisted to 70-90 deg.C, and formaldehyde is changed to formose. The formose is biologically decomposed by suspension or adhesion propagation method. The acid and ferrate and hydrogen peroxide is inputted to waste water for reduction of remained COD.
Patent KR-940007452-B1 (KR)
Title: Manufacturing method of semiconductor device
Inventor: KO JANG-MAN
IPC: H01L21/335
Filed: 1991-09-13
Granted: 1994-08-18
Abstract: The method decreases a channeling effect and an emitter push effect by forming an n-type collector layer below a self-aligned base region. The method includes the steps of: (A) vaporizing a polycrystal silicon layer and a first oxide layer; (B) etching the first oxide layer using a resist pattern; (C) etching an exposed polysilicon layer; (C) injecting high energy, low density n-type impurity on a n-type epitaxial layer; (D) etching a polycrystal silicon to form an edge rectangular; (E) diffusing P-type impurity contained on a polycrystal silicon layer into n-type epitaxial to form a base contact region; (F) vaporizing a nitride layer and a second oxide layer; and (G) forming a P-type active base region and emitter region by etching and impurity diffusion process.
Patent KR-930006640-B1 (KR)
Title: Dephosporus agent for preheat treatmenting of molten metal
Inventor: SON JAE-UNG
IPC: C21C7/064
Filed: 1991-10-01
Granted: 1993-07-22
Abstract: A dephorsphorising agent for molten pig iron  includes  60-80 wt.% sencondary dust of converter  furnace,  10-38  wt.%  dust  of electric furnace and additive containing 5-10 wt.% lime (CaO)  and 1- 3 wt.% fluorite (CaF2).  The  converter  furnace  dust  contains 85- 95 wt.% Fe, 2-12 wt.% CaO, 0.2-2.0 wt.% SiO2, 0.8-15 wt.%  MgO, 1-2 wt.% MnO and 0.1-0.5 wt.% carbon and its size distribution  is 85-90 % for 40-250 meshes.  The  electric  furnace  dust  contains 13-15 wt.% Fe, 75-85 wt.% CaO, 4-6 wt.% SiO2,  1-3  wt.%  MgO  and less than 1-3 wt.% Cr and/or C and its size distribution is  80-85 % for 40-250 meshes.
Patent KR-0119643-B1 (KR)
Title: Generator
Inventor: KIM WON-KWON
IPC: H02K7/09
Filed: 1991-10-04
Granted: 1997-10-23
Abstract: To provide a generator having a maximum efficiency with a minimum resistance by enclosing the inside of the casing with vacuum and supporting the both ends of rotation axis with magnetic repulsive power. The generator consists of casing(1), generation part(2), top/bottom axis supporting part(3A)(3B), driving part(4) and output part(5). The casing(1) is enclosed with vacuum, and the generation part(2) installed in the center of the casing generates electromotive force. The top/bottom axis supporting part(3A)(3B) is installed in the top and bottom of the inside of the casing and supports the generation part(2). The driving part to rotate the generation part is furnished in the bottom of the casing inside. The output part(5) installed in the outer lateral of the casing provides electric power. Thereby, it is possible to remarkably increase the generation efficiency with the minimum of air and friction resistances by keeping the inside of the casing with vacuum and supporting the rotation axis by magnetic levitation, and to provide easiness for maintenance due to no abrasion by friction.
Patent KR-940001745-B1 (KR)
Title: Reverse brake device for vcr
Inventor: KANG SONG-SHIK
IPC: G11B15/22
Filed: 1991-12-23
Granted: 1994-03-05
Abstract: The reverse traveling brake for VCR includes a resilient member hinged on one end of a plate of an idler, thereby preventing a tape from being damaged.
Patent KR-950005063-B1 (KR)
Title: Apparatus for selecting broadcasting tv channels automatically
Inventor: LEE SANG-YONG
IPC: H04N5/50
Filed: 1991-12-28
Granted: 1995-05-17
Abstract: The circuit automatically converts the broadcasting channel of the television by the signal based on whether it is the television signal or the reproducing signal of VCR. The circuit comprises a signal input part for receiving the signal from the television and the VCR, a VCR signal detector (4) for detecting the video signal from the tuned signal, a video signal processor (2) for tuning the input signal with the corresponding channel and processing the correspondance video signal, and a controller (3) for automatically converting the received channel of the video signal processor into the channel of the television and VCR.
Patent KR-930005626-B1 (KR)
Inventor: SUGAWARA HARUSHIGE
IPC: C07C51/573
Filed: 1990-05-23
Granted: 1993-06-23
Abstract: 내용 없음.
Patent KR-940009771-B1 (KR)
Title: Automatic selecting device for the modem of a cordless-phone
Inventor: LEE KYUN-HA
IPC: H04M1/725
Filed: 1992-02-25
Granted: 1994-10-17
Abstract: The device comprises a micon (13) for controlling the operation of entire system in wireless telephone by checking the number of the received ring data, a switching part (15) which transmits the received signal of a modem (3) to a fixed apparatus through a transmitting part of portable apparatus, and a ring singnal generator (16) for generating a ring signal by the control signal of the micom (13) and transmitting the signal to the modem (3) through a hybrid (21).
Patent KR-940005064-B1 (KR)
Title: Biological purifier for waste water
Inventor: PARK WAN-CHOL
IPC: C02F3/30
Filed: 1992-05-20
Granted: 1994-06-10
Abstract: The high efficient aerobic purifying tank (1) for waste water from the stockfarming includes a sedimentation separating chamber (2) for sedimentation and separation of the waste water, an aerating chamber (3) for decomposition of organic materials by the activation of microorganisms, a final sedimentation chamber (4) for precipitating solids and the microorganism in the waste water, a circulating chamber (5) for treating untreated organic materials with the pollutant-decomposing microbial, and a disinfecting chamber (6) for treating the waste water for disinfection.
Patent KR-960003336-B1 (KR)
Inventor: OCHIAI KUNIAKI
IPC: B41J2/16
Filed: 1992-06-25
Granted: 1996-03-08
Abstract: 내용 없음.
Patent KR-100194654-B1 (KR)
Title: 반도체장치 및 그의 제조방법
Filed: 1992-07-13
Granted: 1999-06-15
Abstract: 이 발명은 반도체 장치 및 그의 제조방법에 관한 것으로, 하나의 매몰층 마스크                                              및 하나의 불순물 소스로써 상하층의 다른 농도 프로파일을 갖는 2층의 매몰층을 형성한다. 상기 2층의 매몰층은 저농도의 제1매몰층과 고농도의 제2매몰층으로 이루어진다. 상기 제1 및 제2매몰층의 농도 프로파일은 이용목적에 따라 역전될 수도 있다. 이 발명에 의하면 바이폴라 트랜지스터 또는 바이시모스 등의 반도체 장치를 제조하는 경우에 고내압이면서 고속인 반도체 장치를 실현할 수 있다.
Patent KR-950007311-B1 (KR)
Title: Refing method of hydrogen fluoride
Inventor: KWON YONG-SU
IPC: B01D3/00
Filed: 1992-07-15
Granted: 1995-07-10
Abstract: The hydrogen fluoride generated from the reaction of a fluorite and a sulfuric acid was purified using a refining tower by a multi-step distillation method. A liquid hydrogen fluoride in the bottom of the refining tower(11) was recycled to the removing tower of a high boiling point material(5) through a recycling pipe(24) and a storage tank of a refluxing liquid(8), thereafter the refined hydrogen fluoride was effused from an effluent pipe(22). A part of the hydrogen fluoride steam was condensed and recycled to the refining tower(11).
Patent KR-100231128-B1 (KR)
Inventor: ZEHNER GEORGIA L
IPC: A61F13/62
Filed: 1992-09-09
Granted: 1999-11-15
Abstract: 본 발명은 전면 연부의 접혀질 수 있는 흡수 패널을 이용함으로써 길이 조절이 가능하며, 서로 중첩되고 접착될 수 있거나 또는 중첩되지 않고 전면부에 접착되지 않는 이어 부재에 의해 아기의 허리에 맞게 조절할 수 있는 신생아용의 성장에 따라 조절할 수 있는 기저귀에 관한 것이다. 쿠션 배리어를 가랑이부 및 후면허리 가장자리에 제공하여 신생아의 진무르기 쉬운 민감성 피부를 보호한다.
Patent KR-950001196-B1 (KR)
Title: Apparatus for forming needle
Inventor: LEE JIN-OK
IPC: B21G1/08
Filed: 1992-09-19
Granted: 1995-02-14
Abstract: The method is for manufacturing the needle with a hole and a groove bent at an end by use of a holed steel pipe. The method comprises a step of bending an end corner (e') of the holed steel pipe (S) at an angle that the end corner (e') meets the center line (C) of the hole (H); a step of making the bent end corner (e') into a needle end (e) by cutting the pipe (S,S',S") near the hole; a step of making a narrow width groove (SL) by a rotary cutter; a step of carving the needle end into an elliptical entrance by an other rotary cutter.
Patent KR-950003348-B1 (KR)
Inventor: TANAKA TOMOHARU
IPC: G11C16/06
Filed: 1992-09-24
Granted: 1995-04-10
Abstract: 내용 없음.
Patent KR-950009789-B1 (KR)
Title: Optical disk player
Inventor: MAENG HYON-JIN
IPC: G11B19/02
Filed: 1992-12-15
Granted: 1995-08-28
Abstract: a U-shaped rack fixed at the center portion of a main base, to invert a pickup module; a U-shaped inverter having a pinion provided at a bottom portion of the pickup module; first and second roller guides installed at left and right sides of the main base; and a guide unit having first and second guide rollers which are guided by the first and second roller guides.
Patent KR-950012164-B1 (KR)
Title: Water temperature control method for gas boiler
Inventor: PARK PYONG-UN
IPC: F24H9/20
Filed: 1992-12-31
Granted: 1995-10-14
Abstract: In a gas boiler having a room-heating water temperature detecter, a hot water temperature detecter, a temperature setter, a proportion valve driver, and a controller, the method for controlling the hot water temperature comprises the steps of detecting a room-heating water temperature and a hot water temperature; controlling a heating power, pref. increasing, according to the hot water temperature when the hot water temperature is rising; and controlling the heating power, pref. maximizing, according to the room-heating water temperature when the room-heating water temperature is falling or maintained.