baber/WOPTO huggingface dataset:
Patent KR-900005119-B1 (KR)
Title: Spinning proccessor
Inventor: ARI KATSUYUKI
IPC: H01L21/027
Filed: 1985-03-05
Granted: 1990-07-19
Abstract: The device includes a spinning head rotatable at a specified rate, and a member for dispensing a liquid onto a workpiece held on the head. A supersonic vibration transducer is embedded in the head, and conductors feed supersonic power generated by a generator to the transducer. Thus, supersonic vibration can be applied to a liquid dispensed onto the workpiece. The transducer is pref. embedded in an insulating material disc of the spinning head. The liquid is pref. a photoresist material.
Patent KR-900001233-B1 (KR)
Title: Compound semiconductor layer having high carrier concentration and method of forming same
Inventor: SASA SIGEHIKO
IPC: H01L21/338
Filed: 1986-02-22
Granted: 1990-03-05
Abstract: A compound semiconductor layer having a high carrier concentration comprising a semiconductor layer of GaAs or AlGaAs in which atomic planes of dopant are formed, characferized in that each of the atomic planes has a sheet dopant concentration of 2 x 1012cm-2 or more and is spaced from other atomic planes by an interval of 6mm or less, the carrier concentration o said GaAs or AlGaAs layer being 2 x 10-12cm-2.
Patent KR-930007884-B1 (KR)
Inventor: BAUMAN THERESE M
IPC: C08L83/00
Filed: 1986-05-24
Granted: 1993-08-21
Abstract: 내용 없음.
Patent KR-890003857-B1 (KR)
Title: Sintering products and method for producing thereof
Inventor: KASORI MIZO
IPC: C04B35/581
Filed: 1986-06-24
Granted: 1989-10-05
Abstract: The aluminium nitride sintered body contains addition of Al compounds with rare earth, alkaline earth and trasition metal. The sintered body comprises 80-99.98 wt.% of AlN, 0.01-18 wt.% of Al compounds with a rare earth metal, an alkaline earth metal or both, and 0.01-15 wt.% calculated as the oxide of a group IVa, Va, VIa, VIIa, or VIII transition metal.  It is prepared by mixing Al nitride with the appropriate additive components, then moulding and sintering the mixture.  AlN is used as a heat resistant material or a material for dissipating heat from semiconductor devices.
Patent KR-890002925-B1 (KR)
Title: Improved process for the polimerization or copolymerization of butadiene
Inventor: GORDINI SILVANO
IPC: C08F4/00
Filed: 1986-06-27
Granted: 1989-08-12
Abstract: High 1,4-cis content polymers of butadiene or copolymers with other conjugated dienes are obtd. using a polymerisation catalyst system comprising (a) a cpd. of a gp. IIIB metal having atomic number 21- 103; (b) a halogen cpd.; (c) a halide-free organoaluminium cpd. having formula RaRbAlRc where Ra,Rb,Rc are satd. hydrocarbyl or Rc is H; and (d) a hydroxy acid halide, metal or organometallic halide, hydrogen halide or hydrogen.  The addn. of (c) is timed portionwise during the progress of the polymerisation.
Patent KR-900008019-B1 (KR)
Title: Semiconductor programmable memory device
Inventor: FUKUSHIMA TOSHITAKA
IPC: H01L27/115
Filed: 1986-09-09
Granted: 1990-10-29
Abstract: Field programmable device e.g. PROM with memory device including a word line and a bit line has a semiconductor substrate, with high n+ type impurity concn. buried layer, on which a lower impurity n-type Si layer is formed. A diode is formed with a P-type Si layer above and an insulation layer is the n-type Si layer which divides the layer into upper and lower layers forming a capacitor. Isolation region of SiO2 surrounds part of the n-and p-type Si layers and insulation layer. Diode and capacitor are connected in series between word line and bit line.
Patent KR-890001660-B1 (KR)
Title: Jacquard punching machine
Inventor: HA YONG-GIL
IPC: D03C17/00
Filed: 1986-12-01
Granted: 1989-05-12
Abstract: In the mechine (1) with a punch device (4), an axle shaft (6) rotating in association with a clutch motor (5) is movably attached with a drive lever (7) and an actuating lever (29), the end of (7) being attached movably to shafts (8,8') and the end of (29) being attached movably to the rear end of an arm (30) whose front end having a hook (31) to intermittently engage with a ratchet gear (28) on a shaft (19).  Channels (9,9') spaced apart in parallel to each other mounts a card holder (10) for sliding along them so as to make a rack (18) at the bottom of a carrier plate (11) engage with an idle gear (20) mounted on the shaft (19) through an opening (17).
Patent KR-940011455-B1 (KR)
Title: Process for the preparation of acyl ureas
Inventor: DRENT EIT
IPC: C07C239/00
Filed: 1986-12-08
Granted: 1994-12-15
Abstract: A process for the preparation of an N-aromatic-N min -acyl urea, which comprises reacting an aromatic nitro compound with a primary or secondary amide and carbon monoxide, in the presence of a catalyst comprising a selected Group VIII metal and a monodentate or bidentate ligand.
Patent KR-950011511-B1 (KR)
Inventor: AKIRA OHMORI
IPC: D06M15/277
Filed: 1987-05-27
Granted: 1995-10-05
Abstract: 내용 없음.
Patent KR-900005473-B1 (KR)
Title: Sampling apparatus for steel matter
Inventor: HIRATA GENZI
IPC: G01N1/02
Filed: 1987-07-04
Granted: 1990-07-30
Abstract: The steel sampling method involves cutting down a dish-shaped groove ring around a column left at the centre portion of it on a surface of the moving steel material, and cutting off the root of the column. The cut column is taken off for quantoback analysis. A cutting tool is fed reciprocally stepping in the direction of a central feed axes of it for cutting down the dish shaped groove ring. Great energy saving effect is achieved because sampling operation can be performed in hot state with cast steel piece.
Patent KR-910003027-B1 (KR)
Inventor: SIGA NOBUO
IPC: H03L7/089
Filed: 1987-07-08
Granted: 1991-05-15
Abstract: 내용 없음.
Patent KR-960002169-B1 (KR)
Inventor: ICHIKAWA NORIHITO
IPC: H04N5/445
Filed: 1987-07-29
Granted: 1996-02-13
Abstract: 내용 없음.
Patent KR-930010524-B1 (KR)
Inventor: HORI RYOUICHI
IPC: G11C11/4094
Filed: 1987-12-02
Granted: 1993-10-25
Abstract: 내용 없음.
Patent KR-900006395-B1 (KR)
Title: Monitor control circuit using computer
Inventor: HAN HWAN-HAE
IPC: G06F3/153
Filed: 1987-12-31
Granted: 1990-08-30
Abstract: The circuit is for controlling the brightness, sharpness or frame synchronisation of monitor with a keyboard. When the control signal from the keyboard is applied to a programmable array logic (PAL) (20) through an interface (10), a counter (30) and latch (40) are enabled and the value of the latch is converted to analog signal to be applied to the adjusting circuit of the monitor which comprises digital switches (DS1-n) and A/D converter (50) controlled by outputs (P1-n) of the PAL, and variable resistors (VR1-n). The contents of the counter and latch are kept by battery.
Patent KR-910003520-B1 (KR)
Inventor: YUGAE AKIO
IPC: B65H43/00
Filed: 1988-01-19
Granted: 1991-06-03
Abstract: 내용 없음.
Patent KR-950005672-B1 (KR)
Title: Carriage moving control method in typewirter
Inventor: JONG YONG-KYU
IPC: B41J25/12
Filed: 1988-02-15
Granted: 1995-05-29
Abstract: The method is saitable for quickly editing by moving the carriage swiftly when the printed content is corected or added. The method is composed of clearing the space counter (3) after moving the position of the memory pointer (2) to the mext letter when the word-space key is input; checking whether the memory-pointer indicating data from the data memory section is the space data; storing the printing-width data added with the content of the space counter (3) in the space counter; checking whether memory pointer (2) is reached to the end of the memory; storing the sum of the space counter data and carriage positioning buffer data in the buffer (6); moving the carriage according to the quantity of the space counter.
Patent KR-930000755-B1 (KR)
Inventor: DAGUBO TOYOKATSU
IPC: B29C47/10
Filed: 1988-03-05
Granted: 1993-02-01
Abstract: 내용 없음.
Patent KR-900009049-B1 (KR)
Inventor: BUHL REINHARD
IPC: B62D7/16
Filed: 1988-05-04
Granted: 1990-12-17
Abstract: 내용 없음.
Patent KR-970000808-B1 (KR)
Title: Human proapolipoprotein a-1 expression
Inventor: BOLLEN ALEX
IPC: C12N15/12
Filed: 1988-05-28
Granted: 1997-01-20
Abstract: The present invention provides recombinant DNA sequences comprising a sequence which codes for human proapolipoprotein A-I wherein part of the natural coding sequence has been replaced by a DNA fragment coding for the same amino acids but consisting of a different nucleotide sequence such as to reduce or prevent formation of hairpins, cloning and expression vectors containing these DNA sequences, cell cultures or microorganisms transformed with these expression vectors and processes using the same for the production of proapolipoprotein A-I.
Patent KR-960007288-B1 (KR)
Inventor: BECK MARTIN H
IPC: B29C49/00
Filed: 1988-05-28
Granted: 1996-05-30
Abstract: 내용 없음.
Patent KR-970004843-B1 (KR)
Inventor: PAXMAN DAVID H
IPC: H01L29/78
Filed: 1988-06-08
Granted: 1997-04-04
Abstract: 내용 없음.
Patent KR-910004524-B1 (KR)
Title: Manufacturing method for fuel compositions
Inventor: PARK KIL-WON
IPC: C10L1/00
Filed: 1988-07-11
Granted: 1991-07-05
Abstract: A process for producing a  fuel  oil  compsn.  comprises  (a) passing a salt water through the uranium catalyst tower  of  90-95 deg.C for about 10 min, (b) coantacting cokes and the  salt  water with bunker C oil under the boiling condition  in  the  retort  to evaporate the salt water, to remove cokes and to obtain  colloidal 1- liquid phase residues, (c) adding water to the  raw  liquor  of the residues, a light oil and bunker  c  oil,  and  agitating  the mixt., and (d) stabilizing the agitated mixt. for 70-80 deg.C  for 12-24 hr.
Patent KR-940007128-B1 (KR)
Inventor: TANIGUCHI KOTARO
IPC: B65D81/34
Filed: 1988-07-21
Granted: 1994-08-06
Abstract: 내용 없음.
Patent KR-920001169-B1 (KR)
Inventor: OOGAMI MUNEYUKI
IPC: F02B27/02
Filed: 1988-09-07
Granted: 1992-02-06
Abstract: 내용 없음.
Patent KR-910008534-B1 (KR)
Inventor: ISI KAZHIRO
IPC: H02H3/093
Filed: 1988-09-19
Granted: 1991-10-18
Abstract: 내용 없음.
Patent KR-910004626-B1 (KR)
Title: Razor range checking maching
Inventor: KIM HYUN-GYU
IPC: G01S7/48
Filed: 1988-09-30
Granted: 1991-07-08
Abstract: An photoenergy measuring system causes a  laser  beam  to  be reflected from an object whose distance is  being  determined  and also  causes  the  laser  beamto  be  reflected  from  a  standard reflector. The system consists of  a  photo  input/output  section (30) for  transmitting  the  laser  beam  to  the  laser  distance measuring device, a photoenergy displayer (31) for indicating  the intensity of the laser beam, an input section (34) for  converting the initial data into the  binary  data  form,  a  distance/  time converting section (32) for controlling the transmitting of  laser beam with jthe photo input/output section (30),  an  initial  data displayer (33) for inidating the distance data from the converting section (32), and the first power section (36).
Patent KR-970007785-B1 (KR)
Inventor: YUI YASUJI
IPC: G03F7/00
Filed: 1988-12-10
Granted: 1997-05-16
Abstract: 요약없음
Patent KR-920003940-B1 (KR)
Inventor: SCHWENNINGER RONALD L
IPC: C03B5/26
Filed: 1988-12-13
Granted: 1992-05-18
Abstract: 내용 없음.
Patent KR-910003005-B1 (KR)
Title: Industrial waste water treating method and apparatus
Inventor: AN TAE-YOUNG
IPC: C02F9/00
Filed: 1989-05-25
Granted: 1991-05-15
Abstract: The waste water treating process comprises (1) collecting and settling waste water, (2) adding 1500-6000 mg/l oxidizer (NaOCl or ClO2) to waste water from the reservoir, (3) reacting the  mixture in a vacuum tank for 5-45 mins. with agitation, (4) adding 350-700 mg/l flocculant (polyaluminum chloride)  and  2-7  mg/l  auxiliary agent, (5) separating sludge and  treated  water  from  the  waste water, and (6) storaging and  filtering  the  treated  water  with activated carbon to remove the remaining chlorine.
Patent KR-910008034-B1 (KR)
Title: Steering position indicators
Inventor: LEE WOO-YOL
IPC: B62D15/02
Filed: 1989-06-07
Granted: 1991-10-07
Abstract: When  the  steering  wheel  is  rotated,  the  pulse  signal proportional to the rotation angle is detected by the sensor,  and input to the microprocessor. The  microprocessor  drives  the  LCD instrument to display the shifted angle of  the  front  tyre  with analog or digital number.
Patent KR-920005260-B1 (KR)
Inventor: OTAKURO YUKIO
IPC: G06F7/02
Filed: 1989-07-07
Granted: 1992-06-29
Abstract: 내용 없음.
Patent KR-920006289-B1 (KR)
Title: Subprocessor controlling method for self tuning monitor
Inventor: SONG HONG-SOK
Filed: 1989-12-26
Granted: 1992-08-03
Abstract: The  subprocessor  of  a  self  tuning  controller  processes control algorithm by communicating  with  a  host  processor.  The method comprises: (A) designating a stack  setting  ROM-less  mode and wait state, and resetting an interrupt flag; (B)  setting  I/O ports, initializing  universal  asynchronous  receiver-transmitter and checking memory to initialize a sub-processor; (C) receiving a second interrupt and UART interrupt to receive a set value  and  a manipulated value of a main processor; and (D)  executing  control algorithm according to the set value and the manipulated value.
Patent KR-0169980-B1 (KR)
Inventor: MCCLURE DAVID C
IPC: G06F7/04
Filed: 1990-03-28
Granted: 1999-03-30
Abstract: 내용없음.
Patent KR-0135073-B1 (KR)
Inventor: STROSZYNSKI JOACHIM
IPC: B41N3/03
Filed: 1990-04-20
Granted: 1998-04-20
Abstract: 내용 없음.
Patent KR-930007009-B1 (KR)
Title: Input board of video signal for p.c.
Inventor: BYON DAE-KYU
IPC: G06F3/05
Filed: 1990-08-02
Granted: 1993-07-26
Abstract: The device for converting the video data which was previously inputted from such a video camera source and stored in  the  video memory for the next-monitor displaying process includes: an analog to digital converter (3); an input look-up table circuit (LUT) (5) for converting the A/D converter output values into the bypass  or the zero value; a frame memory (7) to store video  data  from  the LUT (5); a SYNC separating circuit (9) to detect the SYNC from the video inputs; an unified chip - a vision controller (8) to control the respective input board functions; a D/A converter (4).
Patent KR-930005610-B1 (KR)
Title: Burst gate pulse circuit
Inventor: CHON BYONG-HWAN
IPC: H04N9/64
Filed: 1990-09-15
Granted: 1993-06-23
Abstract: The circuit for generating burst gate pulses  by  using  only horizontal sync. signals comprises a latch  (10)  for  latching  a horizontal sync. signal (H-SYNC) and a  burst  control  signal,  a first combination unit (20) for combining the  latch  (10)  output with the sync. signal  (H-SYNC)  to  output  a  switching  control signal (SCP), a second combination unit  (30)  for  combining  the inverted signal of the latch with the signal (H-SYNC) to output  a burst gate pulse (BGP), a first switching unit (40) driven by  the signal (SCP), a pulse width control unit (50) for controlling  the output voltage according to the unit (40),  a  voltage  comparator (60) for comparing the output voltage with  a  reference  voltage, and a second switching unit (70) driven  by  the  comparator  (60) output to output the burst control signal (BCP)>
Patent KR-930004191-B1 (KR)
Title: Scale inhibiting composition for water treatment
Inventor: HAN SUN-JONG
IPC: C02F5/00
Filed: 1990-10-19
Granted: 1993-05-21
Abstract: The water-treating agent compsn. is composed of 0.1-50 wt.% of polyacrylate acrylamide copolymer cpd. of formula (I), and 0.5- 30 wt.% of hydroxy ethylidine diphosphonate, phosphonobutane tricarboxylic acid and/or phosphonohydroxy acetic acid. In (I), n = m = 5-1000; R1=R6=H,OH or alkyl; R2=R3=H or C1-2 alkyl; R4=H or C1-5 alkyl; R5=C1-10 alkyl or C8-10 aralkyl; X=Y=H, one valence metal or N-(R7)2 [R7=H,C1-5 alkyl or C1-5 hydroxy alkyl . The compsn. has a good anticorrosion and antiscale effect.
Patent KR-940001078-B1 (KR)
Inventor: GOTO MASARU
IPC: B05D3/10
Filed: 1990-10-25
Granted: 1994-02-12
Abstract: 내용 없음.
Patent KR-0156921-B1 (KR)
Inventor: ANNALISA DELLORO
IPC: H04L5/22
Filed: 1990-10-31
Granted: 1998-11-16
Abstract: 중간수신블럭에 의해 수행된 속도의 적용, 한 집적된 장치속도 적용, 집적된 서비스 디지털  네트워크(ISDN)에 대한 CCITT V.110 스탠다드에 따른 동기식, 비동기식 적용을 위한 팔정수-행 비트로 조직된 동기화 및 비동기식 프레임의 분해처리로서, 8비트 쉬프트레지스터에서 한번에 한 팔중수를 저장하므로써 그리고 각 비동기식 프레임내 각 팔중수의 현재위치를 저장하기 위해 계수기를 사용하며 다른 계수기에 의해 각 팔중수의 관련비트를 인식하므로써 수행되면, 각  팔중수의 관련비트가 네트워크로부터 단말기로 자료의 직렬흐름관리 및 제어를 위해 각 요소로 저장되고 스위치 된다. 이로부터 한 구조가 유래되며, 이는 전체 프레임을 저장하는 대신 한번에 단 하나의  팔중수를 저장해야 하는 레지스터의 크기를 재조정하므로써 간단해진다. 또한 블럭에 의해 전달시 자료에 의해 받게되는 지연이 단일  팔중수의 이동을 위해 필요한 지연으로 줄어든다. 사실 종래 타입의 구조에 따라 필요하였던 바 두 개의 프레임 또는 한 개의 프레임대신 당해 블럭내에 한번에 두  팔중수보다 많은  팔중수가 담기게 되지는 않을 것이다. 두 개의 PLA 각각은 자신의 클럭과 함께 적용하며 동기화, 프레임의  팔중수로의 분해 그리고 비트의 주소를 관리하고 제어하며, 그리고 상기 스텐다드와 관련해서 입력에서 자료의 흐름을 블럭으로 그리고 출력에서 자료의 흐름을 블럭으로부터 각각 관리하고 제어한다.
Patent KR-100193588-B1 (KR)
IPC: B29B13/08
Filed: 1990-12-04
Granted: 1999-06-15
Abstract: A flexible glass fiber reinforcement material has a microwave-sensitive or ultraviolet sensitive binder added and is formed into a desired shape. Selected electromagnetic energy (microwave or ultraviolet) is then applied to cure and rigidize the binder. A mold (72) for shaping the reinforcement material comprises a mold cavity defined by microwave or ultraviolet transparent material divided into separate and separable mold parts and, for microwave applications, each part carries one half of a split microwave waveguide which directs microwave energy to cure the binder resin when the mold is closed. For ultraviolet applications, an ultraviolet source (or sources) is located in the mold. Energetic stitching of a reinforcement rib is performed by applying a binder resin to the rib at at least one location, placing that location into contact with a preform (84) and curing the binder resin to bond the parts together.
Patent KR-940003160-B1 (KR)
Inventor: SPIOTTA MARK G
IPC: H04L9/00
Filed: 1989-10-10
Granted: 1994-04-15
Abstract: 내용 없음.
Patent KR-100193313-B1 (KR)
Title: 가소성 수지,그의 수성 분산액 및 제조방법
IPC: C08G59/14
Filed: 1991-04-11
Granted: 1999-06-15
Abstract: 양이온 전기침전에 사용 가능한 가소성 수지, 양이온 수지의 수성 분산액 및 이의 제조방법에 관한 것이다. 수지는 폴리옥시알킬렌폴리아민, 페놀 및 포름알데히드의 반응에 의해 생성된다. 반응물은 폴리에폭시로부터 유도된 블록 형성 단위체를 더 포함할 수 있다. 종래의 전기 침전수지와 결합하여 사용되는 경우, 개선된 기계적 성질과 감소된 마멸경향을 갖는 침전막을 얻을 수 있다.
Patent KR-0159530-B1 (KR)
Inventor: KIM JUNG-HWAN
IPC: A23L27/00
Filed: 1991-05-13
Granted: 1998-11-16
Abstract: 본 발명은 끓는 물 또는 전자렌지 가열로 2∼5분 후에 취식할 수 있는 즉석성과 편의성이 강조된 즉석식품 짜장의 제조방법 및 그 조성물에 관한 발명이다. 
     즉, 통상의 짜장 조성에 미역추출액, CaCl 2 또는 MgCl 2 를 첨가하여 점도를 개선 시킴으로써, 종래 밀가루를 사용할 경우 나타나는 이취, 외관의 결점을 보완, 기호도를 증진시키며, 사용되는 야채류를 CaCl 2 또는 MgCl 2 용액에서 데치기 함으로써 최종제품에서의 조직감을 향상시키는 것을 특징으로 한다.
Patent KR-930007974-B1 (KR)
Title: Echo protecting method for fax
Inventor: IM NAM-SOP
IPC: H04N1/00
Filed: 1991-05-23
Granted: 1993-08-25
Abstract: The method eliminates the effect of echo generated  by  state of transmission line. The  method  comprises  the  steps  of:  (A) dialing an opponent facsimile number; (B)  sending  CNG  tone  and receiving echo of CNG signal for a fixed time; (C)  discriminating that CNG tone is received and storing echo data on a  memory  when CNG data is detected; and (D) suppressing echo by sending CNG tone with 800ms delay or by skipping CNG tone send.
Patent KR-0181958-B1 (KR)
Inventor: SHINODA SHIGERU
IPC: C08K3/00
Filed: 1991-06-05
Granted: 1999-05-15
Abstract: 강철-벨트 자동차 타이어에 특히 유용한 고무 조성물은 선택된 량의, 헥사메틸올멜라민 펜타메틸에테르의 부분축합체, 크레졸 수지, 황 및 유기산의 코발트염을 혼입하며, 그들 모두는 합해져서 타이어내의 강철 와이어 코오드에 있어 향상된 부착성 및 증가된 인장 강도에 기여한다.
Patent KR-950006086-B1 (KR)
Inventor: MATSUSHITA TOYOHIKO
IPC: G11B27/00
Filed: 1991-06-10
Granted: 1995-06-08
Abstract: 내용 없음.
Patent KR-940010554-B1 (KR)
Title: Manufacturing method of bipolar transistor
Inventor: KO JANG-MAN
IPC: H01L29/73
Filed: 1991-06-14
Granted: 1994-10-24
Abstract: The method forms a low concentration emitter around a high concentration emitter with a self matching method by use of a polycrystal silicon layer. The method comprises a step of forming an oxidization film (7) on an n-type epitaxial layor (2); a step of forming an intrinsic base layer by elimination of a photosensitive film (8) and a heat treatment; a step of etching the oxidization film, forming a polysilicon layer (11), and covering a photosensitive film (14); a step of etching the n+ polysilicon layer (11) by a predefinined thickness; a step of forming a side wall including a nitride film (19) and a polysilicon layer (18); a step of forming an extrinsic base; a step of making an emitter electrode (26) and a base electrode.
Patent KR-930007616-B1 (KR)
Title: H-beam bending device
Inventor: PARK KWANG-KUN
IPC: B21D7/00
Filed: 1991-07-15
Granted: 1993-08-14
Abstract: The apparatus includes  a  device  for  transferring  a  flat H-beam located on a fixed plate to suitable velocity and a  device for bending H-beam to a predetermined  circular  constant,  and  a device for pressing to prevent a  distortion  of  connection  part generated by the difference between the  inner  circular  constant and the outer circular constant.  The  circular  H-beam  has  high strength and is manufactured to be a standard  product  through  a simple process.
Patent KR-960002483-B1 (KR)
Inventor: HIROAKI SANO
IPC: B22D41/00
Filed: 1991-08-02
Granted: 1996-02-17
Abstract: 내용 없음.
Patent KR-950004355-B1 (KR)
Inventor: SHIYA YOSHIAKI
IPC: F01N13/16
Filed: 1991-10-23
Granted: 1995-04-28
Abstract: 내용 없음.
Patent KR-940005079-B1 (KR)
Title: Process for producing of ceramic a heating element
Inventor: LEE SANG-JIN
IPC: C04B35/10
Filed: 1991-11-05
Granted: 1994-06-10
Abstract: The ceramic heating element is produced by (a) mixing a sintering auxiliary material of 0.5-2 wt.% MgO, 0.5-3 wt.% CaO and 1-5 wt.% SiO2, a solvent of 10-20 wt.% ethyl alcohol, 10-20 wt.% ispropyl alcohol, 5-15 wt.% n-butyl alcohol and 5-16 wt.% toluene, and a dispersing agent of 0.2-1 wt.% manhattan oil or cerosol and 0.2-1 wt.% polyvinyl butyral (PVB) with alumina powder having 1-5 μm particle size to make a first alumina slip, (b) adding a binder of 3-7 wt.% PVB and a plasticizer of 2-3 wt.% polyethylene glycol and 2-3 wt.% n-butyl phthalate to the first slip to make a second alumina slip, (c) tape-molding the slip to make a dryed tape, (d) screen printing a tungsten paste on the tape, and laminating the tape, and (e) sintering it in the humidity and hydrogen atmosphere.
Patent KR-950013348-B1 (KR)
Inventor: UJIDA NAOSHI
IPC: H01H77/10
Filed: 1991-11-19
Granted: 1995-11-02
Abstract: 내용 없음.
Patent KR-960015815-B1 (KR)
Inventor: RIENECKER REIMUND
IPC: D21D5/02
Filed: 1991-11-22
Granted: 1996-11-21
Abstract: 내용없음.
Patent KR-940004762-B1 (KR)
Title: Process for preparation of machinable ceramics
Inventor: YANG SAM-YOL
IPC: C04B35/14
Filed: 1991-12-30
Granted: 1994-05-28
Abstract: The machinable ceramics having the complex crystalline phase of fluorophlogopite and beta spodumene in the ratio of 8:2-5:5 consists of 50-80 wt% pyrophyllite containing 70-80% silica, 5-8 wt% alumina, 5-11 wt% magnesia, 6-12 wt% magnesium fluoride, 1-4 wt% potassium oxide or potassium carbonate, 1-5 wt% sodium oxide, lithium oxide, titania respectively and 0.01-1.0 wt% arsenic pentoxide. These materials are mixed and molded, and the molded body is heated at 700-1,150 deg.C for 1-2 hrs. and annealed, or this body is heated at 750-950 deg.C for 1-2 hrs. and soaked at 1,150 deg.C for 3-4 hrs. and annealed.
Patent KR-950014856-B1 (KR)
Title: Automatic time setting and correction system of receiver
Inventor: AN CHIN-WON
IPC: G04R20/00
Filed: 1991-12-31
Granted: 1995-12-16
Abstract: a transmitting unit for transmitting broadcasting signals; and a receiving unit which receives the broadcasting signals and has a decoder unit for decoding the broadcasting station time information contained in the broadcasting signals and generating a broadcasting station time, a receiver time generating unit for generating a receiver time; an initial state determining unit for determining if the receiver time is of an initial state and generating an intial state confirming signal, and a unit for changing the receiver time to the broadcasting station time in response to the initial state confirming signal.