baber/WOPTO huggingface dataset:
Patent KR-20020034653-A (KR)
Inventor: KIM SUN HONG
IPC: B29B17/00
Filed: 2000-11-02
Abstract: PURPOSE: A method for regenerating waste vinyl and a waste vinyl forming apparatus are provided to prevent water pollution by not using water during the regeneration process of the waste vinyl, and to reuse steel dust. CONSTITUTION: The method for regenerating waste vinyl comprises the steps of; pulverizing collected waste vinyl or waste polyethylene into an appropriate size in a pulverizer(1); gelling the pulverized material except steel powder and polypropylene by using the rotation of agitating blades of a kneader; cutting the material into a constant size while extruding it from a melt extruder(4); and forming a pellet by lowering the transferred cut material along a spiral screw vibrating up and down and supplied with cold air from the lower side.
Patent KR-20010051569-A (KR)
Inventor: KRAFCZYK ROLAND
IPC: C07F9/165
Filed: 2000-11-09
Abstract: PURPOSE: Provided is a process for the preparation of sulfur- and phosphorus-containing organosilicon compounds which can be used in rubber mixtures. CONSTITUTION: The process for the preparation of a sulfur- and phosphorus-containing compound of the formula:(R1n (R2O)3-n-Si-Alk-S-))3 P=S, in which Alk denotes an alkylene group having 1 to 10 carbon atoms, R1, R2 denote an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, a phenyl group, a benzyl group or a 2-methoxyethyl group, wherein R1 or R2 in each case can have identical or different meanings, and n=0, 1 or 2, comprises reacting a halogen-containing silane of the formula:R1n (R2 O)3-n-Si-Alk-Hal, in which Alk denotes an alkylene group having 1 to 10 carbon atoms, R1, R2 denote an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, a phenyl group, a benzyl group or a 2-methoxyethyl group, wherein R1 or R2 in each case can have identical or different meanings, Hal denotes a halogen and n=0, 1 or 2, with phosphorus pentasulfide (P4 S10) and a metal sulfide.
Patent KR-20010035032-A (KR)
Title: Site administrating system on internet and administrating method thereof
Inventor: KWON DAE WOOK
Filed: 2000-11-11
Abstract: PURPOSE: A system and a method for managing a site on the internet using a document editing system is provided for a client to offer and change all sorts of information quickly and accurately by using a program of a host computer without a homepage manufactured by each company. CONSTITUTION: A control unit(20) controls a comprehensive operation to be operated by a host computer. A database(21) receiving or outputting new data by controlling of the control unit(20) and displaying stored data through a screen in need is connected to the control unit(20). An information database(211) receiving or outputting new data by controlling of the control unit(20) and displaying stored data through a screen in need is connected to the control unit(20). A key button unit(22) and a display unit(23) input and display data in the control unit(20). A transmission unit(24) transmits data stored in the database(21, 211) from the host computer to a plurality user computers(11) by controlling of the control unit(20) through the internet. A receiving unit(25) receives data transmitted from the user computer(11) through the internet. If the user computer(11) modifies or deletes the contents of a commodity on condition that a modifying mode is set, the receiving unit(25) is electrically connected to a data converting unit(26) for rendering the changed data to be received in the receiving unit(25) through the data converting unit(26). A storing unit(27) stores IDs and secreted numbers of each company and users.
Patent KR-20020038908-A (KR)
Inventor: JUNG WOO HYUB
IPC: A61M1/08
Filed: 2000-11-18
Abstract: PURPOSE: Provided is a cupping device which has a pump for exerting pressure to the cupping container and the cups in one body. The device is operated by the battery as well as by the electric power to control the supporting micom, CPU and semiconductor so that it can be carried anywhere to treat the patient. The treatment effect is maximized with the device because the operation time of the air pump is controlled according to the patient's condition and his physical condition. CONSTITUTION: The above electronic device for cupping comprises: a power source part(2) in which a battery is used to operate the device and to control the micom, CPU and semiconductor in the place where electricity is not available; a control part(3) which has a switching device directing the operation of the above pump(7) and electronic control device, micom, CPU and semiconductor, operating the pump(7) in a manner and for the time operator wants; a relay part(6) which switches on the relay as long as the wanted period and as much as the wanted pressure; the aeration pump(7) which operates according to the wanted conditions of the control part(3) by the input voltage of the power source; an LED part(4) which shows on/off of the power source switch and manipulates the pressure lamp according to the wanted press of the user; and a buzzer part(5) which generates the sound making the user recognize data input of the above various operation conditions.
Patent KR-20020042249-A (KR)
Title: Composite concrete form
Inventor: KIM PO JIN
IPC: E04G9/05
Filed: 2000-11-30
Abstract: PURPOSE: A cast for composite material used to newly build a concrete structure is provided to semi-permanently use the material containing a core and to lighten the structure in order to improve workability of the building process. CONSTITUTION: The cast comprises sandwich panels(21) interposed by a core and hollowed steel frames. The core(31) has multiple micro holes(33) charged by a composite material(32) to form the sandwich panel(21). Alternatively, the panel(21) may be manufactured by sewing together the core and a fibrous mat by a reinforcing fiber and introducing the resin. The composite material(32) comprises fibrous reinforcing mat containing carbon fiber, glass fiber and polymeric mats and the resin composed of polymeric material. The core can include urethane foam, polystyrene foam, plyboard or panels made of used wood or used paper.
Patent KR-20010062306-A (KR)
Inventor: DEMETRESCU CHRISTIAN
IPC: H04Q7/22
Filed: 2000-12-09
Abstract: PURPOSE: A multi-polling system for GPRS is provided to improve the polling rate in a data transmission system. CONSTITUTION: A mobile telephone network providing universal packet radio service includes a base station(2) and mobile telephones(M1-M8). The base station(2) includes a controller which not only generates the series of data packets and transmits the series to all mobiles telephones(M1-M8) through a downlink. Each data packet has a header and a payload. In the header, the configuration and length are variable, and the header includes a 1st uplink state flag for identifying a 1st selected satellite, at least one 2nd uplink state flag for identifying a 2nd selected satellite, the identification of the auxiliary uplink channel and a time slot.
Patent KR-20020047548-A (KR)
Title: Apparatus for releasing foot operating type parking brake
Inventor: KIM TAEK JO
IPC: B60T7/04
Filed: 2000-12-13
Abstract: PURPOSE: A device for releasing a parking brake of a foot type is provided to safely release a parking brake by simplifying a circuit and to prevent damage of a vehicle. CONSTITUTION: A parking brake releaser of a foot type comprises a foot brake pedal(2) mounted on a lower portion of driver's seat; a tooth(6) integrally formed with the foot brake pedal; an actuating piece(4) combined to the foot brake pedal; a pawl(8) maintaining brake state by fixing the actuating piece on the tooth; a torsion spring(12) moved to a fixing portion; a parking switch(10) switched according to control of the foot brake pedal; a knob connected to the pawl by being mounted on a steering wheel through a knob cable(16); a solenoid(14) releasing the parking brake by maintaining a releasing position of the torsion spring; and a knob controlling timer relay(18) fixed on the torsion spring. Thereby, the parking brake releaser of the foot type safely releases a parking brake by simplifying a circuit.
Patent KR-20020048029-A (KR)
Title: Decompression type air bag for automobiles
Inventor: LIM HUI JIN
IPC: B60R21/00
Filed: 2000-12-15
Abstract: PURPOSE: An airbag of pressure reducing type is provided to minimize the injury of passengers due to high explosion pressure occurring during expansion of the airbag by installing a partition wall for preventing gas inflow from an inflator. CONSTITUTION: The airbag comprises a partition wall(11), acoustic pressure preventing holes(12) and a tether(13). The partition wall(11) defines a predetermined space at the center of the airbag. Expansion gas is prevented from flowing into the space. The acoustic pressure preventing holes(12) are formed at the outer peripheral side of the space defined by the partition wall(11). The tether(13) functions to connect the partition wall with an airbag mounting portion(30) at an inflator(20) side. The acoustic pressure preventing holes(12) are sized so as not to create the friction with a passenger. The space defined by the partition(11) is filled with ambient air flowing into from the outside.
Patent KR-20020048161-A (KR)
Title: Making apparatus of protective wall for tapping hole
Inventor: CHOI BYEONG GUK
IPC: C21B7/14
Filed: 2000-12-16
Abstract: PURPOSE: An apparatus for forming a protective wall of a tap hole is provided which is capable of promptly repairing the tap hole in the safe state using an exclusive repairing equipment. CONSTITUTION: In a closing machine(3) filling the tap hole with a mud material so as to close a tap hole formed in an iron notch of a blast furnace, the apparatus for forming a protective wall of the tap hole comprises a ring shaped sleeve(10) having an appropriate thickness which is coupled onto the outer circumferential surface of a tip(3a) equipped at the closing machine(3) so as to form the protective wall; flanges(20) which are formed on the outer circumferential surface of a nozzle connecting the closing machine(3) with the tip(3a) so as to fix a plurality of spiral fixing rods(11) formed at the rear of the sleeve(10), and which are locked to nuts(12) by means of elastic springs(13); a resting ring(30) which is slidingly connected onto the outer circumferential surface of the sleeve(10) so as to maintain the mud material in a block shape as preventing flying of the mud material when filling the mud material into the tap hole for repairing the tap hole; and slots(31) which are formed on the resting ring(30) so that the slots(31) are coupled to screw grooves(14) formed on the sleeve(10) by a fastener(32), and which limit a sliding distance of the resting ring(30).
Patent KR-20020051988-A (KR)
Title: Zn-Ni-Fe alloy electrodeposited steel sheet for good shielding electromagnetic wave
Inventor: HAN GAP SU
IPC: C23C2/06
Filed: 2000-12-23
Abstract: PURPOSE: A Zn-Ni-Fe alloy electrodeposited steel sheet with superior shielding against electromagnetic wave in the low frequency ranges from about 100 MHz to about 50 Hz is provided. CONSTITUTION: The present invention is characterized in that Zn-Ni-Fe alloy(Zn:Ni:Fe=1:30-50:5-15) layer is formed on one or both sides of a low carbon steel sheet with a carbon content of less than 0.04 wt.% in a thickness of 1.0μm to 0.4mm.
Patent KR-20010062696-A (KR)
Inventor: OKANOBU DAIWA
IPC: H04B1/26
Filed: 2000-12-26
Abstract: PURPOSE: To provide a receiver that receives low-band and a high-band signals of a VHF television broadcast program without switching a local oscillation circuit. CONSTITUTION: The receiver is provided with an oscillation circuit 41 and frequency divider circuits 42, 43 that frequency-divide an oscillation signal S41 of the oscillation circuit 41. Frequency division signals SLA, SLB or SHA, SHB of the frequency divider circuits 42, 43 are used for local oscillation signals and the frequency of the received signal SRX is converted into intermediate frequency signals SIFA, SIFB. The frequency divided signals SLA, SLB or SHA, SHB used for the local oscillation signals are selected to select the reception band. Changing the oscillating frequency of the oscillation circuit 41 for each of the reception bands changes the reception frequency.
Patent KR-20020054088-A (KR)
Title: Ball joint of steering device for vehicle
Inventor: YOO YEONG SEON
IPC: B62D7/16
Filed: 2000-12-27
Abstract: PURPOSE: A ball joint of a steering device for a car is provided to reduce a manufacturing cost by firmly coupling a female screw part formed on a rack bar and a male screw part formed on a ball housing without using any member. CONSTITUTION: A ball joint of a steering device for a car includes a female screw part(20), a male screw part(80), and a transformation area(90). The female screw part has inlets formed in the inside of both ends of a rack bar. The male screw part is formed at a side of a ball housing part to be coupled with the female screw part. The female screw part has teeth formed at a predetermined axial distances. The transformation area is formed at a part of the male screw part, and has an axial distance narrower than that of the teeth of the female screw part to transform the teeth of the female screw part.
Patent KR-20020056511-A (KR)
Title: LPG vehicle for supplying fuel through ignition key and control method thereof
Inventor: PYO SANG HAK
IPC: F02D41/02
Filed: 2000-12-29
Abstract: PURPOSE: An LPG(Liquefied Petroleum Gas) vehicle having fuel supply function using a start key and a control method thereof are provided to prevent the cut-off of fuel supply by unifying an engine start key and a fuel supply control key and to completely burn residual fuel by delaying engine stall. CONSTITUTION: A main relay(6) for supplying power to a controller(1) is connected with an operator(3) opened and closed by a signal generated from a fuel operating unit(2) of the controller having a main relay operating unit(5). A crank angle signal processing unit(20) for processing a crank angle signal of an engine are connected with respective connecting lines(4a,6a,20a). When an ignition key is on, the controller supplies fuel to the engine by operating a start switch. Thereafter, the crank angle signal processing unit ignites an ignition coil depending on the rotation of a crankshaft. Then, the engine is maintained in the idle rotation state. The circuit of the main relay is cut off. Thus, the engine is stopped.
Patent KR-20020057233-A (KR)
Title: Machine for double rubbing liquid display panel
Inventor: MUN CHEOL JU
IPC: G02F1/1337
Filed: 2000-12-30
Abstract: PURPOSE: A machine for double-rubbing a liquid crystal display is provided to prevent alignment force from deteriorating caused by a decrease in rubbing density and to reduce poor rubbing. CONSTITUTION: A machine for double-rubbing a liquid crystal display includes a plurality of rubbing rolls(2,6) used for rubbing the surface of an alignment film to align liquid crystal molecules in one direction. The rubbing rolls are placed and rotated on a glass substrate(4) on which the alignment film is formed so that a plurality of times of rubbing are performed simultaneously.
Patent KR-20010023109-A (KR)
IPC: C08K5/544
Filed: 1999-06-22
Abstract: The formation of thermoplastic vulcanates may be accomplished with two polymers, wherein one polymer is grafted, or copolymerized with a carboxylic acid anhydride, which acid anhydride grafted polymer then is reacted with an amino silane, which reacts with the acid anhydride and then cross links.
Patent KR-20010023430-A (KR)
Title: 반응성 메타카올린 첨가제를 포함하는 내화 시스템
IPC: C04B14/10
Filed: 1998-09-04
Abstract: 칼슘 알루미네이트 시멘트를 함유하는 내화성 혼합물에서 칼슘 알루미네이트 시멘트 함량을 감소시키는 첨가제를 제공하는데, 상기 첨가제는 분말상의 비정질 메타카올린 약 80 중량% 및 마이크로실리카 약 20 중량%를 함유하고, 상기 메타카올린의 평균 입자 크기가 약 3.0 미크론 미만이며, 상기 마이크로실리카의 평균 입자 크기가 45 미크론 미만이다.
Patent KR-20010015710-A (KR)
Title: 통신모듈의 시각 경보
IPC: H01H13/02
Filed: 1998-10-06
Abstract: 유기 전계발광 물질은 물질이 특이한 패턴으로 빛을 방출하도록 제어 격자와 함께 휴대용 무선 전화기의 외부 하우징 내에 밀봉된다. 픽셀은 메시지 또는 하우징이나 영상의 점멸 색상을 통하여 경보 상태를 사용자에게 알리도록 제어된다. 시각 경보는 이동 전화기 내의 가청 경보 및 진동 경보와 함께 사용되기도 한다.
Patent KR-20010032120-A (KR)
Title: 자동차 운전대의 높이 및 경사각 조절멤버 잠금장치
IPC: B62D1/18
Filed: 1999-10-04
Abstract: 본 발명은 자동차 운전대의 높이 및 경사각을 조절하기 위하여 서로 대향하여 상대운동을 하는 2개의 멤버들을 결합/고정시키는 잠금장치에 관한 것으로서, 1개의 멤버는 자동차의 차체에 견고히 장치된 고정대에 착설되며, 다른 1개의 멤버는 운전대가 장착될 케이싱에 장치되는 구성품으로서, 상기 잠금장치는 상기 대향 이동 멤버에 각각 고정되어 서로 결합할 수 있도록 되어있는 최소 2개의 치상표면을 가지고 있으며, 이때 상기 치상표면들은 각각 다수의 이(齒)들이 나란히 배치된 최소 1개 이상의 치열을 가지고 있고, 상기 양쪽 치열 상에서 서로 대향하는 치선들은 자기력에 의하여 서로 반발작용을 하도록 되어있다.
Patent KR-20010033334-A (KR)
Title: 전기활성 황 재료을 함유하는 캐소드 및 그를 이용하는이차전지
IPC: H01M4/136
Filed: 1998-12-09
Abstract: 본 발명은 (a) 산화의 상태에서, 식 -S m - 다만 m은 3∼10의 정수,의 폴리황화물 몫을 함유하는 전기활성 황함유 캐소드 재료와, (b) 용해가능 폴리황화물의 강한 흡착을 가지는 비전기활성 미립자 재료를 함유하는, 고체 합성 캐소드에 관한 것이다.   본 발명은 또 상기 고체 합성 캐소드를 함유하는 전류산출 전지와, 상기 고체 합성 캐소드와 전류산출 전지를 제조하는 방법,에 관한 것이다.
Patent KR-20010033960-A (KR)
Title: 동일 챔버에서의 산화물층 및 실리콘층의 성장
IPC: H01L21/336
Filed: 1999-01-08
Abstract: 매엽식 웨이퍼 화학증착 리액터(10)는 비반응 가스 내의 산소의 안전한 혼합물(70)은 물론 에피택셜 실리콘 증착에 적합한 수소 및 실리콘 소스가스(72, 72, 86)를 구비한다.  동일 챔버 내에서 산화물층과 실리콘층을 형성하는 방법이 제공된다.  특히, 희생 산화 공정(102)이 행해진 후, 수소 베이킹(104)에 이어져 산화물층을 승화시켜 깨끗한 표면을 형성한다.  에피택셜 증착 공정(106)이 동일한 장소(챔버)에서 뒤따를 수 있다.  보호 산화물이 동일 챔버 내의 에피택셜층 위에 형성되어(108), 중요한 에피택셜층의 오염을 방지할 수 있다.  이에 대한 대안으로, 산화물층(124)이 게이트 유전체로 이용될 수 있고, 폴리실리콘 게이트층(126)이 산화물(124) 위에 동일한 장소(챔버)에서 형성될 수 있다.
Patent KR-20010024842-A (KR)
Title: 데이터 전송장치
IPC: G11C7/10
Filed: 1998-03-12
Abstract: 병렬 데이터 배선간에 경로 길이차나 기생소자를 포함한 부하용량의 차이가 있는 경우, 데이터간의 전파 지연시간차가 무시할 수 없는 크기가 된다. 이 때문에, 특히 주기가 짧은 고속 데이터 전송시에, 데이터 수신을 위한 셋업시간과 홀드시간을 확보할 수 없으며, 데이터를 정상으로 전송할 수 없게 된다. 이것에 비하여, 본 발명의 데이터 전송장치는, 병렬 데이터를 수신하는 리시버에 수신 데이터의 일부 또는 전부의 비트의 위상을 비교하는 동시 도착 판정회로를 설치하고, 이 동시 도착 판정회로의 판정결과에 의거하여 리시버의 데이터 수신점에서의 병렬 비트간의 위상을 조정하는 타이밍 조정기구를 설치하는 것에 의해, 각 데이터 비트를 리시버에 동시 도착시킬 수 있다. 따라서, 상기 경로 길이차나 부하용량의 차이가 있더라도 데이터 수신을 위한 셋업시간과 홀드시간을 확보할 수 있다.
Patent KR-20010034102-A (KR)
Title: 자기 데이터 태깅
IPC: G06K19/06
Filed: 1999-01-12
Abstract: 본 발명은 자기 층들의 자화용이축의 상대적 배향에 의해 데이터가 저장될 수 있도록 배열된 복수의 자기층을 포함하는 태그와 태그 판독 시스템에 관한 것으로, 하나의 태그 판독기는 여하한 태그 배향에서도 데이터가 판독될 수 있는 하나의 데이터 코딩 시스템을 가짐으로서, 광학적 바코드 라벨링 시스템을 대체할 수 있게 된다.
Patent KR-20010034611-A (KR)
Title: 천연의 및/또는 합성된 퀸산 및/또는 그 전구체의방충제로서의 용도
IPC: A01N37/36
Filed: 1999-03-22
Abstract: 본 발명은 천연의 및/또는 합성된 퀸산(quinic acid: 1,3,4,5,-테트라하이드록시 시클로헥산 카보닉 산) 및/또는 그 전구체를 방충제(insect repellent)로서 사용하는 용도에 관한 것이다.
Patent KR-20010042836-A (KR)
Title: 신규 치환 아미드, 그의 제조 및 그의 용도
IPC: A61K31/517
Filed: 1999-04-19
Abstract: 본 발명은 하기 화학식 I의 아미드 및 그의 호변이체 및 이성질체 형태, 그의 가능한 거울상 이성질체 및 부분입체 이성질체 및 가능한 생리학적으로 허용되는 염에 관한 것이다. 
     ＜화학식 I＞ 
     
       
     
     상기 식에서, 
     R 1 은 C 1 -C 6 -알킬, 페닐, 나프틸, 퀴놀릴, 피리딜, 피리미딜, 피리다질, 퀴나졸릴 및 퀴녹살릴이고, 이때 고리는 또한 2개 이하의 라디칼 R 4 로 치환될 수 있고, 
     R 2 는 -(CH 2 ) m -R 8 이고, 여기서 R 8 은 페닐, 시클로헥실- 또는 인돌릴이고, m은 1 내지 6이고, 
     X는 결합, -CH 2 -, -CH 2 CH 2 -, -CH=CH-, -C≡C-, -CONH-, -SO 2 NH-이고, 
     R 1 -X는 또한 함께 하기 화학식 a일 수 있고, 
     R 3 은 수소 및 CO-NR 6 R 7 이고, 
     R 4 는 수소, 분지형 또는 비분지형 C 1 -C 4 -알킬, 및 -O-C 1 -C 4 -알킬이고, 
     R 5 는 수소, 분지형 또는 비분지형 C 1 -C 4 -알킬, 및 -O-C 1 -C 4 -알킬이고, 
     R 6 은 수소, 분지형 또는 비분지형 C 1 -C 6 -알킬이고, 
     R 7 은 수소, 분지형 또는 비분지형 C 1 -C 6 -알킬이고, 
     n은 0, 1 또는 2이다. 
     ＜화학식 a＞ 
       및   
     화학식 I의 아미드는 효소, 특히 칼파인(칼슘 의존성 시스테인 프로테아제) 및 그의 동위효소 및 카텝신, 예를 들면 카텝신 B 및 L과 같은 시스테인 프로테아제의 억제제이다.
Patent KR-20020059171-A (KR)
Title: Durability Coating Fertilizer using a Oyster Shell and process for preparing of the same
Inventor: JUN GYEONG SU
IPC: C05D3/00
Filed: 2001-01-03
Abstract: PURPOSE: A slow-release fertilizer, being coated with chitosan, using oyster shells is provided, which improves quality of agricultural products, and has effects of antibiotics, activation of growing plants and acceleration of calcium(Ca) absorption. CONSTITUTION: The preparation method of slow release fertilizer comprises the steps of: preparing Ca-chelated oyster shell powder by sintering shells at 800-1200deg.C for 3-4hrs., and cooling; adding 40-80wt.% of shell powder, 1-15wt.% of amino acid, 5-20wt.% of nitrogen(N-NO3, N-NH3), 5-20wt.% of P2O5, 5-20wt.% of K2O, 0.01-1wt.% of B2O3, 0.1-5wt.% of MnO, 0.1-5wt.% of Fe, 0.001-0.1wt.% of microbes(photosynthetic bacteria:Rhod bact.) and 0.5-1wt.% of plant extracts such as small amount of Mg, I, Fe, Ca, fiber, etc.; mixing and forming to a shape of ball; and coating with chitosan by spraying.
Patent KR-20020065146-A (KR)
Title: Circuit to calculate logic value for analogue signal
Inventor: KIM HYEONG GEOL
IPC: H03K19/00
Filed: 2001-02-06
Abstract: PURPOSE: A circuit for calculating a logic value of an analog signal is provided, which calculates the logic value more accurately by constructing a circuit so that a reference voltage is varied according to an amplitude of an input signal. CONSTITUTION: A band pass filter(31) outputs a voltage value by separating a signal as to a frequency of a constant bandwidth from an input signal. The first low pass filter(32) smooths the signal of the constant bandwidth from the band pass filter. A comparator(31) calculates the logic value by comparing a comparison voltage from the low pass filter with a reference voltage. And the second low pass filter(34) receives a branched input signal to generate the reference voltage. And an inversion amplifier(35) returns a phase of a signal from the second low pass filter whose phase is inverted.
Patent KR-20010085435-A (KR)
Inventor: KANBA SEIJI
IPC: H01P1/208
Filed: 2001-02-21
Abstract: PURPOSE: To provide a dual mode band pass filter, which is miniaturized, coupled efficiently and controllably, and easily provides a wide passband and enhances the degree of freedom for design. CONSTITUTION: Concerning a dual mode band-pass filter 1, a metal film 3 comprising a resonator is formed at a certain height on the first main side of a dielectric substrate 2 having first and second main sides or on the dielectric substrate. The metal film 3 is formed with a through hole 3a. At least, one ground electrode 4 is formed inside the second main side of the dielectric substrate 2 or inside the dielectric substrate so as to face the metal film 3 through a dielectric substrate layer, and input/output coupling circuits 5 and 6 are coupled to the metal film 3.
Patent KR-20010085532-A (KR)
Title: Dual control dimming ballast
Inventor: LIU GUANG
IPC: H05B41/392
Filed: 2001-02-23
Abstract: PURPOSE: A dimming ballast apparatus is provided to accept and provide two dimming controls, that is, a power-line-based dimming control and a non-power-line-based dimming control. CONSTITUTION: The dimming ballast apparatus comprises power lines(20,24) dimming control input and non-power-lines(30,32) dimming control input. The apparatus comprises a firing angle/pulse width modulation converter(44) responsive to the power line dimming control input, a voltage/pulse width modulation converter(50) responsive to the non-power-line dimming control input, a low-pass filter(46) responsive to the firing angle/pulse width modulation converter(44) and the voltage/pulse width modulation converter(50), and a dimming ballast circuit having a dim level command input responsive to the low-pass filter.
Patent KR-20020069974-A (KR)
Inventor: LEE KYUL JOO
IPC: B65B31/02
Filed: 2001-02-28
Abstract: PURPOSE: A portable vacuum packing machine is provided to perform vacuum packing by using a head part regardless of location, and to increase the productivity and cut down expenses by improving working efficiency. CONSTITUTION: A portable vacuum packing machine is composed of a body part having a vacuum pump and a transfer grip; and a head part(2) having an upper cover, a lower fixing body, a handle(23) on the upper cover, operating switches(24,24A), operating lamps(25,25A), a pressure gauge(26), packing in the lower part of the lower fixing body, a vacuum chamber including an air suction port connected to the body part by a connecting pipe(29) and a gauge inlet, and a thermal bonding part. The body part is connected electrically to the head part, and the vacuum packing machine is divided into the body part forming vacuum and the head part for packing. Vacuum packing is performed with the head part regardless of location.