baber/WOPTO huggingface dataset:
Patent KR-19980087462-A (KR)
IPC: C21D1/19
Filed: 1998-05-28
Abstract: Manufacture of less than 10 mm thick strip of ferritic stainless steel (  NOTGREATER  0.012% C,  NOTGREATER  1% Mn,  NOTGREATER 1% Si, NOTGREATER  0.040% P,  NOTGREATER  0.030% S and 16-18% Cr) involves (a) (naturally) cooling twin-roll continuously cast strip without holding in the austenitic transformation region; (b) optionally hot rolling at 900-1150 degrees C with ≥ 5% thickness reduction; (c) coiling at between 600 degrees C and the martensitic transformation temperature (Ms); (d) cooling at  NOTGREATER  300 degrees C/hr. to between 200 degrees C and ambient temperature; and (e) bell annealing, preferably at 800-850 degrees C for ≥ 4 hrs. Preferably, step (a) is carried out by cooling the strip immediately after leaving the casting rolls, at ≥ 10 degrees C/sec. down to 600 degrees C. Also claimed is ferritic stainless steel strip made by the above process.
Patent KR-19990086744-A (KR)
Title: 송수신 겸용의 레지스터를 갖는 직렬 인터페이스 장치
Filed: 1998-05-29
Abstract: 개시되는 본 발명의 직렬 인터페이스 장치(SERIAL INTERFACE UNIT; SIU)는 외부로부터 전송 데이터를 제공받아 저장하는 전송 목적 레지스터와; 상기 전송 목적 레지스터로부터 전송 데이터를 제공받아 1비트 단위로 쉬프트 하여 출력하고, 동일한 동작에 의해 직렬의 수신 데이터를 1비트 단위로 수신하는 직렬 입출력 레지스터와; 상기 쉬프트 동작에 의해 상기 직렬 입출력 레지스터로부터 출력되는 1비트 데이터를 전송하는 1 비트의 전송 레지스터와; 상기 직렬 입출력 레지스터가 직렬 데이터의 수신을 완료한 경우, 수신된 데이터를 제공받아 외부로 제공하는 수신 목적 레지스터와; 상기 레지스터들의 동작을 제어하기 위한 제어 신호들을 발생하는 제어 신호 발생부를 포함하여 직렬로 데이터의 송수신을 수행하며, 서로 다른 비트 수를 갖는 단위 데이터의 송수신을 동일한 비트 수를 갖는 직렬 입출력 레지스터를 사용하여 데이터 송수신을 수행할 수 있다.
Patent KR-19990086766-A (KR)
Title: 실린더 헤드의 워터재킷 냉각수 흐름구조
IPC: F01P3/02
Filed: 1998-05-29
Abstract: 본 발명은 실린더 블록에서 실린더 헤드의 워터재킷으로 유입되는 냉각수가 워터재킷 벽에서의 유선(streamline)으로 분기되어 흐르도록 함으로서 종래와 같이 워터재킷 벽에서의 스테그네이션 포인트(stagnation point)로 인한 냉각수의 흐름 방해를 개선하여 냉각수의 유속 및 유량을 증가시켜 실린더 헤드의 냉각성을 향상시키고, 또한 워터펌프의 효율을 향상시킬 수 있도록 하는 실린더 헤드의 워터재킷 냉각수 흐름구조를 제공하는 것으로, 실린더 헤드에 흡기밸브와 배기밸브가 설치되는 흡기포트와 배기포트가 엔진의 실린더 수에 따라 각각 형성되고, 이들 흡기포트와 배기포트의 주변으로 서로 교통되는 워터재킷이 형성되며, 상기 워터재킷은 실린더 블록의 워터재킷과 연결되어 실린더 블록 측의 냉각수를 실린더 헤드의 워터재킷으로 공급하는 입구홀이 다수 형성되고, 상기 실린더 헤드의 일 측에는 워터재킷을 통해 열교환된 냉각수를 외부로 방출하는 출구홀이 형성된 것에 있어서, 상기 흡기포트를 감싸면서 대략 원형을 이루는 워터재킷 벽에, 냉각수가 흐르는 방향에 대해 유선(streamline)으로 분기되어 흐르도록 로브(lobe)를 일체로 형성한 것을 특징으로 한다.
Patent KR-20000000833-A (KR)
Title: Plu manage method of electronic cash register
Inventor: PARK SIN SUNG
IPC: G07G1/12
Filed: 1998-06-03
Abstract: PURPOSE: A PLU manage method of an electronic cash register is provided to improve memory use efficiency by saving and managing a lot of PLU data in the same memory sphere. CONSTITUTION: The PLU manage method of an electronic cash register comprises the steps of: making out an option flag table in a PLU saving sphere and a certain sphere of a separately prepared memory; linking the option flag table to a PLU by saving the option flag table number in the PLU file, related with a corresponding PLU among the option flag table when making out a PLU file; executing a sale registration by reading the corresponding option flag table if the linked option flag table exists.
Patent KR-20000001039-A (KR)
Title: Stereophonic method of image expressed by vrml(virtual reality modeling language) and device thereof
Inventor: SONG MUN SEOB
IPC: H04N13/00
Filed: 1998-06-08
Abstract: PURPOSE: A stereophonic method of image expressed by VRML(virtual reality modeling language) and device thereof is provided to give more natural feeling by stereo effect. CONSTITUTION: The stereophonic device of image expressed by VRML(virtual reality modeling language) comprises: a virtual stereo-camera setting unit(16) setting a virtual stereo-camera by using virtual camera setting information the virtual reality information contained in VRML file; a virtual stereo-image combine unit(24) dividing respective moving image contained in VRML reality into block unit, calculating motion vector in block unit to determine the time difference of the block, and generating the second image which the block is horizontally shifted by the time difference of the block to combine them as virtual stereo image; and a stereographic/moving image combine unit( mapping the graphic model used in the virtual camera to combine stereo image into which the graphic model and the moving image are combined.
Patent KR-20000001422-A (KR)
Title: Bowl installing structure of sink
Inventor: PARK JIN SOO
IPC: A47B96/18
Filed: 1998-06-11
Abstract: PURPOSE: A bowl installing structure of a sink is provided to prevent gap of the top plate, to conveniently process the waste of the top plate. CONSTITUTION: A bowl installing structure of a sink comprises:a top plate(16); an artificial marble(12) fixed in the opening of the top plate(16); a bowl(14) attached in the lower end part of the artificial marble(12) and the top plate(16); a melamine cover layer(18) for forming the top face of a sink, installed the upper part of the wooden top plate(16) and the artificial marble(12).
Patent KR-20000008746-A (KR)
Title: Method of etching semiconductor device
Inventor: LEE YEON HWI
IPC: H01L21/311
Filed: 1998-07-15
Abstract: PURPOSE: A method is provided to easily form a contact hole with a deep depth on an insulated material layer, thereby minimizing the poor quality of a semiconductor device. CONSTITUTION: After multi layers of an insulated material layer is formed on a semiconductor substrate, on which a desired pattern such as a gate or a capacitor is previously formed, the insulated material layer and the pattern under the layer are etched to form a contact hole. The contact hole is achieved by steps of firstly etching with using a gas consisting of about 65 to 120 sccm of CHF3, about 12 to 23 sccm of CH2F2, about 20 to 40 sccm of Co, and about 300 to 550 sccm of Ar, and secondarily etching with using a gas consisting of about 55 to 105 sccm of CH2F2, about 55 to 105 sccm of O2, and about 210 to 390 sccm of Ar.
Patent KR-19990014260-A (KR)
Title: 리플로납땜방법 및 리플로노
IPC: F27B9/10
Filed: 1998-07-29
Abstract: 본 발명은, 땜납페이스트가 인쇄된 프린트기판 및 이것에 탑재된 표면실장디바이스와 같은 전자부품 등을 가열해서 상기 기판에 납땜하기 위한 리플로납땜방법 및 리플로노에 관한 것으로서, 프린트기판에 실장되는 전자부품의 열용량의 대소에 상관없이, 가열부족이나 과잉가열을 발생하는 일없이, 적정한 리플로납땜을 실시할 수 있는 리플로납땜방법 및 리플로노를 얻는 것을 과제로한 것이며, 그 해결수단으로서, 프린트기판(3)과 이 프린트기판(3)에 탑재된 복수의 전자부품과의 리플로납땜을 행하기 위한 리플로노로서, 노벽(1A)에 의해서 규정(define)된 복수의 가열존(R1∼R4)을 가진 리플로노본체(1)와, 열풍부여장치(100)와 복사열부여장치(110)를 포함하고 있고, 열풍부여장치(100)는, 프린트기판(3)에 각존의 목표온도보다도 낮은 온도의 열풍을 뿜어대기 위한 팬(13d)과 열원(14d)을 구비하고 있고, 복사열부여장치(110)는, 프린트기판(3)에 상기 목표온도보다도 높은 온도의 복사열을 조사하는 히터(15d)를 구비하고 있는 것이며, 히터(15d)가 조사하는 복사열에 의해서, 프린트기판(3)과 전자부품이, 땜납의 용융온도인 목표온도까지 가열되는 동시에, 이들 전자부품중 소형이고 열용량이 작은 것은, 열풍부여장치(100)가 뿜어대는 저온의 열풍에 의해서, 과열이 억제되는 것을 특징으로 한 것이다.
Patent KR-19990023304-A (KR)
Title: 설폰아미드-치환된 화합물, 이의 제조 방법, 약제 또는 진단제로서의 이의 용도 및 이를 포함하는 약제
IPC: A61K31/38
Filed: 1998-08-03
Abstract: 본 발명은 심혈관증, 특히 부정맥 예방 및 치료용, 위장부 궤양 치료용 또는 설사 치료용 약제 제조에 대해 두드러진 활성 물질인 하기 화학식 1의 화합물에 관한 것이다. 
     화학식 1 
     
       
     
     상기식에서, 
     치환체는 특허청구범위에서 정의한 바와 같다.
Patent KR-20000013880-A (KR)
Title: Manufacturing method for surface modified pigment for shade cosmetics and shade cosmetics containing surface modified pigment thereof
Inventor: CHOI GYUNG HO
IPC: A61K8/19
Filed: 1998-08-14
Abstract: PURPOSE: A surface modified pigment for soft and moist shade cosmetics with excellent waterproof and luster is provided. CONSTITUTION: A manufacturing method for a surface modified pigment is composed of: a step for coating an organic/inorganic pigment by using a long chained oil of a citrate group; a step for emulsifying an ester group oil and a silicon gel by using an emulsifier; and a step for dispersing the organic/inorganic pigment being coated by the long chained oil of the citrate group to the emulsifier for coating. Therefore shade cosmetics containing the surface modified pigment has a smooth and a moist feeling while having excellent waterproof, spreading property, and luster.
Patent KR-20000019380-A (KR)
Title: Method for fabricating electrode pattern for plasma display panel
Inventor: CHO SU JE
IPC: H01J9/02
Filed: 1998-09-10
Abstract: PURPOSE: A method for fabricating an electrode pattern is provided to improve a process yield by shortening a forming time of an electrode pattern and to improve an efficiency by reducing a visible ray reflected from a bus electrode. CONSTITUTION: In a method for fabricating an electrode pattern, a transparent electrode(34)is formed by depositing an indium tin oxide(ITO) on a substrate(32) by use of a sputtering method or a vacuum deposition method. A metal seed layer(38) is formed by sequentially depositing a first metal layer(38a) and a second metal layer(38b) on the transparent electrode(34) by use of the sputtering method or the vacuum deposition method. A photosensitive resin(40) is deposited on the metal seed layer(38), and then is patterned by a photo lithography method. An electric coating film(42) of a predetermined thickness(1-20 micrometer) is formed on a part of the metal seed layer(38) exposed by the photosensitive resin(40) pattern. The photosensitive resin(40) pattern is removed, and the metal seed layer(38) formed under the photosensitive resin(40) pattern is removed so as to form an electrode pattern.
Patent KR-20000020550-A (KR)
Title: Method for determining ageinging crack of austenite stainless steel
Inventor: KIM KWANG YUK
IPC: G01N33/20
Filed: 1998-09-22
Abstract: PURPOSE: A method for determining an ageing crack of an austenite stainless steel is provided to determine an ageing crack of an austenite stainless steel by analyzing composition of a stainless steel. CONSTITUTION: A method for determining an ageing crack of an austenite stainless steel comprises the steps of: analyzing components of an arbitrary austenite-based stainless steel; calculating a nickel equivalent from the analyzed components; obtaining a limit drawing ratio according to an ageing crack of the steel through a multiple drawing; obtaining a correlation between the nickel equivalent and the limit drawing ratio; obtaining a nickel equivalent through the composition of a particular austenite-based stainless steel and determining the ageing crack by comparing the obtained nickel equivalent with the limit drawing ratio.
Patent KR-20000025948-A (KR)
Title: Method and system for managing gauge examination system network
Inventor: HAN WON MIN
IPC: H04L12/12
Filed: 1998-10-16
Abstract: PURPOSE: A system for managing a gauge examination system network is provided to minimize a money loss owing to an erroneous gauge examination occurring at a manual operation by observing and controlling a gauge examination system at a real time. CONSTITUTION: In a system for managing a gauge examination system network, a home controller (20) is installed at each home so as to control an operation of a gauge examination system(10) and to extract data from the gauge examination system(10) of each home. A common controller(30) periodically receives data of the gauge examination system of each home from the home controller of each home, and controls the home controllers of the respective home. A PCS terminal module(40) sends the gauge examination data stored in the common controller(30) to a manager through a CDMA PSC network(50) based on a polling of the manager, or receives a control signal of the gauge examination system from the manager to transfer the control signal to the common controller(30). A network managing server of a network managing center(60) controls the common controller(30) to the gauge examination system(10) by being connected to the common controller(30) through the PCS terminal module(40).
Patent KR-20000027425-A (KR)
Title: Method for controlling tv having reset function of regulation mode
Inventor: KIM PAN JIN
IPC: H04N5/445
Filed: 1998-10-28
Abstract: PURPOSE: A TV controlling method is to control TV having a reset function that sets a corresponding regulation value on regulation mode menu screen to a basis value in forwarding in factory. CONSTITUTION: A method for regulating green conversions in a projection TV comprises the steps of: selecting a predetermined mode for changing a value on a menu screen of a regulation mode; increasing and decreasing a value of the mode selected according to which or not an inputted key is a data up/down key(114-120); setting the mode value to basis value in a factory if a reset key is inputted(122,124); and returning to a channel screen if an exit key is inputted(126,128). The method further comprises the step of canceling a menu fine tune if the reset key is inputted in selecting a fine tune regulation.
Patent KR-20000031101-A (KR)
Title: Interior control unit and method for remote gauge examination system
Inventor: KIM HEE SEON
IPC: H04Q9/00
Filed: 1998-11-03
Abstract: PURPOSE: An interior control unit and a method for a remote gauge examination system is provided to prevent a data collis ion by supplying a power to only a CPU and a gauge connection portion. CONSTITUTION: An interior control unit and a method for a remote gauge examination system comprises a first CPU(100) having a ROM and a ROM, a relay setting portion(110), a power supply portion(120), a gauge connection portion(130), a second CPU(140) having a ROM, a RAM, and an RTC, an input device connection portion(160), a buffer(170), a battery(180), a universal synchronous/asynchronous transceiver(200), a display device(210), an address decoder(220), a FSK modem(191), a power amplification portion(192), a coupler(193), and a NOT gate(194).
Patent KR-20000033237-A (KR)
Title: Insulating scagliola for interior and exterior finish and producing method thereof
Inventor: KIM HYUNG CHEOL
IPC: B28B11/00
Filed: 1998-11-20
Abstract: PURPOSE: An insulating artificial marble for interior and exterior finish and a producing method thereof are provided to easily ornament the appearance by attaching to the interior or exterior of a building and to offer effects of insulation, soundproof and shockproof. CONSTITUTION: An insulating artificial marble is produced by the following steps. A frame(20) having a product molding space(21) of a certain shape and size is prepared. A reinforcement attachment part(12) is attached on the surface of an insulating buffering part(11) cut into the size to be inserted to the product molding space. An upper layer(13) of a certain thickness is formed by pouring an upper layer material to the product molding space. An insulating buffering part(11) with the reinforcement attachment part is input to the product molding space with an upper layer part(13). The upper layer part is contacted to the insulating buffering part by pressurizing with vibration. The frame is separated from the upper layer part grown for a certain time. The surface of the upper layer part is coated with a finish material. Thereby a coating part(14) is formed.
Patent KR-20000034031-A (KR)
Title: Lever structure of parking brake equipping locker
Inventor: LEE MU SEOP
IPC: B60T7/00
Filed: 1998-11-27
Abstract: PURPOSE: A lever structure is provided to prevent a parking brake from releasing caused by hitting a push button without intention as the push button operates only when a locker is released. CONSTITUTION: A lever(20) rotates upward by a rotating pin as a center when a driver pulls the lever upward. At the same time, a pull rod(70) rotates upward to pull a cable(8) fixed in one end of the pull rod. A brake shoe tightens a rear brake drum to brake a vehicle. In pushing a safety button(92), a push button(40) and a push pin(45) return to the rear with repulsive force of a return spring and thus a push rod(30) moves backward. A hanging iron(51) rotates counterclockwise by the fixing pin as a center while the upper part of pawl(50) fixed in the push rod moves backward. Therefore, a hanging protrusion(51a) is hung on a hanger(61) of a latch(60) and the vehicle completely brakes.
Patent KR-20000038795-A (KR)
Title: Semiconductor memory having sub-word line driving circuit
Inventor: JEONG JAE HONG
IPC: G11C11/407
Filed: 1998-12-09
Abstract: PURPOSE: A semiconductor memory having a sub-word line driving circuit is provided to simplify a layout and to reduce the size of a memory chip by decreasing the number of additional NMOS(n-channel metal oxide semiconductor) transistors for connecting a sub-word line to a grounding. CONSTITUTION: A first sub-word line driving unit(200) has four sub-word line driving units(SWLD101-SWLD104) and first to third NMOS transistors. The first to fourth sub-word line driving units selectively output first and second lower pre-decoding signals(P0,P1) or grounding potentials to each sub-word line(SWL0,SW2,SW5,SW7) through inverted first and second global word line enable signals(GWLB0,GWLB1). Each first and second lower pre-decoding signal(PB0,PB1) inverted to a gate is fed and the same lower pre-decoding signals are transmitted to adjacent sub-word lines. The first to third NMOS transistors connect the adjacent sub-word lines.
Patent KR-20000039428-A (KR)
Title: Voice information dispenser using wired and wireless dedicated telecommunication network
Inventor: OH BYONG HO
IPC: H04M15/00
Filed: 1998-12-11
Abstract: PURPOSE: A voice information dispenser using the wired and wireless dedicated telecommunication network is provided to acquire a variety of information through a voice information dispenser to overcome the limitation of location and to get free from a load of charges. CONSTITUTION: A comprehensive processing system(2) stores and regenerates a variety of voice information, controls each voice information dispenser(1). The comprehensive processing system(2) executes functions to transmit and manage information provided from the voice information dispenser(1). The voice information dispenser(1) comprises an exclusive line simulator to carry out on/off function and a coin or card inserting slot to insert a coin or a card for service charges.
Patent KR-19990066861-A (KR)
Title: 흡입 조절을 이용한 이송 냉동 유닛용 배출압력 제어 시스템
IPC: F25B49/02
Filed: 1998-12-22
Abstract: 컨테이너 냉동 유닛에 사용되는 압축기 배출 압력 제어 시스템은 시스템의 고압측에 위치된 압력 트랜스듀서와, 응축기 압력 제어가 정상적이지 않을 때 압축기 배출 압력을 최대치로 제어 및 제한하기 위한 데이터 프로세서를 이용한다.  압력 제어 시스템은 풀-다운(pull-down) 기간동안 압축기 사이클링을 현저히 감소시키고 냉동 시스템 성능을 증가시키는 방법으로 흡입 조절 밸브를 작동시킨다.  또한, 압력 제어 시스템은 수냉식 응축기를 구비한 냉동 시스템의 수냉식 작동 중에 작동하여, 냉동 시스템 내에 수압 스위치를 제공할 필요성이 없게 한다.
Patent KR-20000041421-A (KR)
Title: Method of manufacturing semiconductor device
Inventor: JANG DONG HYEOK
IPC: H01L21/28
Filed: 1998-12-22
Abstract: PURPOSE: A method of manufacturing a semiconductor device is to effectively dispense the heat produced from a polysilicon film resistor formed between a pad and an electrostatic discharge protection circuit. CONSTITUTION: A polysilicon film(P1) resistor is formed in a semiconductor substrate(S) with a field oxide film(FOX) formed thereon. A first interlayer insulated film(11) is formed on the whole surface of the substrate, and is etched to expose both ends of the polysilicon film for forming a first and second opening. A tungsten silicide pattern is formed to engage with the polysilicon film through the first and second openings. A second interlayer insulated film(12) is formed on the whole surface of the substrate, and is etched to expose the tungsten silicide pattern for forming a third opening.
Patent KR-20000041549-A (KR)
Title: Field emission display device and fabrication method thereof
Inventor: KO YOUNG WOOK
IPC: H01J9/02
Filed: 1998-12-23
Abstract: PURPOSE: A field emission display device is provided which has a steep emitter tip formed with a stacked film of a metal film and a pseudo diamond layer. CONSTITUTION: A field emission display device includes an emitter tip(18) radiating phosphor by emitting electrons. The emitter tip includes: a first tip(16a) of a cone shape made of a metal material; and a second tip(17a) which is formed on top of the first tip in a fine circular cone shape. The method for fabricating the field emission display device includes the steps of: forking a gate insulation film(13) and a gate electrode(14) on top of a substrate(11) including a cathode line(12); forming a hole by patterning the gate electrode and a part of the gate insulation film; forming an aluminum sacrificial layer(15) on top of the gate electrode; forming the first tip by depositing a metal film in the hole; forming the emitter tip by forming the second tip of a fine circular shape on top of the first tip; and removing the first and second tip material, and the sacrificial layer, remained on top of the gate electrode.
Patent KR-19990063489-A (KR)
Title: 감광성 도체 페이스트
IPC: H05K3/02
Filed: 1998-12-26
Abstract: 본 발명은 높은 정확성을 갖는 전극 패턴의 형성이 가능한 감광성 도체 페이스트를 제공한다. 
     감광성 도체 페이스트는 폴리머, 모노머, 광중합개시제, 도전성 분체, 유리 프릿 및 용매로 적어도 이루어지고, 상기 폴리머, 모노머 및 광중합개시제의 함량이 고형분의 9 내지 30중량%이고, 도전성 분체의 함량은 고형분의 60 내지 90중량%이고, 유리 프릿의 함량이 고형분의 1 내지 10중량%이고, 동시에 상기 폴리머가 알코올성 히드록실기와 카르복실기를 갖는다.
Patent KR-20000043214-A (KR)
Title: Fabrication method of semiconductor device
Inventor: KIM YEONG JUNG
IPC: H01L21/28
Filed: 1998-12-28
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to enable a wet-type cleaning process without damage to the device. CONSTITUTION: A semiconductor substrate(1) is coated with an interlayer dielectric(3), and a gate electrode(4) for word line is embedded in the interlayer dielectric(3) while partly exposing a top surface thereof through a contact hole(6) for a metal wiring. Furthermore, another gate electrode for bit line is formed in an upper interlayer dielectric and exposed through another contact hole. In particular, the top surfaces of the word line and the bit line are nitrified, so that a TiSiNx thin film(7) having a thickness of 10 to 200 angstrom is formed on the word line and the bit line. Next, by utilizing a buffered oxide etchant or a hydrogen fluoride solution, a wet cleaning process is performed to the bottom surface in the contact hole before the metal wiring fills the contact hole.
Patent KR-20000044180-A (KR)
Title: Projection type image display device having thin-film micromirror array-actuated panel
Inventor: NAM SEONG WOO
IPC: H04N5/74
Filed: 1998-12-30
Abstract: PURPOSE: A projection type image display device having TMA(thin-film micromirror array-actuated) panel is provided to structure a projection lens with zoom lens systems, thereby freely changing the size of a screen and providing clean images. CONSTITUTION: A projection type image display device having TMA panel comprises a light source(111), TMA panels(120,122,124), a source stop(113), a projection stop(115), field lenses(130,132,134) and a projection lens(116). The TMA panels(120,122,124) consist of mirror pixels for reflecting lights and are deformed into sizes corresponding to the strength of corresponding single pixel. The fluxes of the lights from the source(111) are focused by the source stop(113). The image of the source stop(113) is focused to the projection stop(115) with 1:1 by the field lenses(130,132,134). The projection lens(116) consists of first to forth lens groups from a screen.
Patent KR-19990063570-A (KR)
Title: 디티엠에프신호 간섭제거장치
IPC: H04M1/23
Filed: 1998-12-30
Abstract: 본 발명은 자동응답기능을 갖춘 통신단말기에서 국선을 통해 출력되는 안내메시지에 의해 상대방으로부터의 DTMF신호가 간섭받지 않도록 하기 위한 DTMF신호 간섭제거장치에 관한 것이다. 
     본 발명에 따르면, 안내메시지데이터가 저장된 안내메시지저장부와 그 안내메시지저장부에서 독출되는 안내메시지신호를 국선을 통해 출력되도록 하는 모뎀을 구비한 자동응답기능을 갖춘 통신단말기에서, 상기 안내메시지신호를 버퍼링/증폭하는 제 1버퍼와, 상기 제 1버퍼로부터의 안내메시지를 DC커플링캐패시터를 경유하여 수취하여 상기 국선상으로 출력하는 데이터출력부, 상기 안내메시지신호의 레벨과 상기 국선상의 신호레벨을 정합하기 위한 저항, 상기 저항의 전단에서 얻어지는 안내메시지신호와 상기 국선상의 안내메시지 및 상대방으로부터의 DTMF신호의 합성신호를 수취하여 DTMF신호만을 추출하는 합성기, 상기 DTMF신호만을 버퍼링/증폭하여 상기 모뎀으로 인가하는 제 2버퍼를 구비하여 구성된다.
Patent KR-20000045749-A (KR)
Title: Device for preventing backward miss-operation of manual shifting vehicle
Inventor: KANG DAE JUNG
IPC: B60K17/06
Filed: 1998-12-30
Abstract: PURPOSE: A device for preventing a backward miss-operation of a manual shifting vehicle is provided to prevent a backward shifting when a shifting lever is controlled as the rear shifting by a driver's misunderstanding. CONSTITUTION: A first shifting rail(50) is shifted by operating a shifting shaft to shift from a five-speed traveling state and the first shifting rail(50) is moved to a neutral position by moving rightward. A stopper plate(10) is stopped in a position passed the neutral position during pushing a reserve lock plate(20) by moving with the first shifting rail(50). Thereby a performance of a backward shift is prevented.