baber/WOPTO huggingface dataset:
Patent KR-20000043101-A (KR)
Title: Videophone communication system with document transmission and reception function and display function
Inventor: SEO MUN HWAN
IPC: H04N7/14
Filed: 1998-12-28
Abstract: PURPOSE: A videophone communication system with a document transmission and reception function and a display function is provided to display or edit video data and document data on one screen. CONSTITUTION: A videophone communication system with a document transmission and reception function and a display function comprises a modem(111), a packet processing portion(108), a video codec(103), a video signal processing portion(109), an audio codec(107), an audio signal processing portion(106), and a system control portion(115). The modem transmits and receives voice data, video data, and document data through a telephone line. The packet processing portion composes the voice data, the video data, and the document data as packet data and recovers the received packet data to an original status. The video codec codes and decodes the video/document data. The video signal processing portion processes the decoded video/document data. The audio codec codes and decodes the voice data. The audio signal processing portion processes decoded audio signal. The system control portion controls a storage mode and an edition mode of the document data and controls transmission and reception operations of composed blocks according to a transmission/reception mode.
Patent KR-20000043125-A (KR)
Title: Impact beam of bumper for vehicle
Inventor: KIM JONG JIN
IPC: B60R19/48
Filed: 1998-12-28
Abstract: PURPOSE: A structure of an impact beam for a bumper is provided to have the resistant force according to a sectional breakdown and to reduce a producing cost and a weight by improving a sectional structure of the impact beam. CONSTITUTION: An impact beam is equipped with a pair of closed sectional rib portions(102)(104) symmetric in an upper and a lower part. A middle bonding rib portion(106) to connect the closed sectional rib portions(102)(104) in the middle and a upper and a lower bonding rib portions(110)(112) extended in the closed sectional rib portions(102)(104) are contained. The closed sectional rib portions(102)(104) are equipped with a front and a rear walls(101A,101B), and a upper and a lower walls(103A,103B). The upper and the lower walls(103A,103B) have a certain inclination and a radius. Bent flange portions(130A,130B) are contained in the upper and the lower bonding rib portions(110,112).
Patent KR-20000043620-A (KR)
Title: Fabrication method of transistor
Inventor: KIM YEONG HUN
IPC: H01L29/68
Filed: 1998-12-29
Abstract: PURPOSE: A fabrication method of a transistor is provided to simplify a fabrication process and to improve productivity by employing doped polysilicon spacers. CONSTITUTION: In a fabrication of a transistor, a gate oxide(65) and a first conductor layer(67a,67b) to be used as gates are formed on a semiconductor substrate(61) having a P-well(81), an N-well(82), and a field oxide(63). Next, after lightly doped regions(93) of P-type are formed in the wells(81,82), an insulation layer(69) and a second conductor layer(71) are deposited on overall surfaces, and then etched to form spacers(71a,71b) on sidewalls of the gates(67a,67b). In particular, the insulation layer(69) is a silicon oxide layer, whereas the second conductor layer(71) is a lightly phosphorous-doped polysilicon layer. Next, while a photoresist layer covers the P-well(81), heavily doped regions(95) of P-type are formed in the N-well(82). Subsequently, while another photoresist layer covers the N-well(82), heavily doped regions(97) of N-type are formed in the P-well(81).
Patent KR-20000046791-A (KR)
Title: Circuit for protecting electrostatic discharge
Inventor: PARK HONG BAE
IPC: H01L27/06
Filed: 1998-12-31
Abstract: PURPOSE: A circuit for protecting electrostatic discharge is provided to lower the triggering voltage by coupling the gate of a field plate diode so as to improve electrostatic discharge protection. CONSTITUTION: A circuit for protecting electrostatic discharge includes an input pad(10), an input buffer(20), and a conductive member(30). The input pad(10) and the input buffer(20) includes a drain connected between them in parallel. The conductive member(30) is formed on the surface of the gate and the conductive member is connected directly to the input pad and the input buffer. The gate is coupled with a ground voltage(VSS) through a resistor. A source is also coupled with a ground voltage(VSS) through a resistor.
Patent KR-20000046805-A (KR)
Title: Structure for preventing decaying of wheel for semiconductor plating apparatus
Inventor: KIM DONG HUI
IPC: H01L21/00
Filed: 1998-12-31
Abstract: PURPOSE: A structure for preventing decaying of a wheel for a semiconductor plating apparatus is provided to prolong the lifetime of the apparatus as well as to prevent contaminants. CONSTITUTION: A structure for preventing decaying of a wheel for a semiconductor plating apparatus includes a wheel body(1), wheel arm(2), and a shaft(6). The wheel body(1) contains the wheel arm(2) at the center of it. The wheel body also contains a wafer to be plated. The shaft(6) is coupled with the inside of the wheel body and the shaft is extended to the wheel arm. The plating process is performed with the wheel body rotating around the center of the wheel arm inside the bath. A bush baring is implemented on a contact point of the wheel body and the wheel arm as well as at the position of the contact of the wheel arm and the shaft to prevent sliding of the members.
Patent KR-20000046836-A (KR)
Title: Structure of diffuser for turbo compressor
Inventor: GWAK SEUNG CHEOL
IPC: F04D29/54
Filed: 1998-12-31
Abstract: PURPOSE: A structure of a diffuser for a turbo compressor is provided to stabilize the movement of fluid passing through a diffuser unit by the rotating force of an impeller and to cancel noise generated by the mutual operation of the impeller and the diffuser unit. CONSTITUTION: When an impeller(200) is rotated by receiving the driving force of a driving motor through a driving shaft(120), refrigerant gas is inputted to an impeller chamber(3) through an inducing unit(2). Herein, the refrigerant gas is inputted to an inlet(1) by the rotational force of the impeller. The refrigerant gas moves to a diffuser unit(4) through the impeller. Herein, the fluid is discharged through the diffuser unit while containing kinetic energy by the impeller. Then, the kinetic energy of the fluid is converted into pressure energy by passing through the diffuser unit. Moreover, the fluid generates vortex in a vortex generating groove(4a). The vortex transmits energy to the boundary layer of the fluid for delaying the separation in the front end unit of a vein(6). Thus, the movement of fluid is stabilized. Moreover, noise is generated while generating vortex in the vortex generating groove. The noise is canceled by the noise generated by the mutual operation of the impeller and the vein.
Patent KR-20000047076-A (KR)
Title: Device for calibrating heat displacement of machine tool and control method thereof
Inventor: KIM YOUN SOO
IPC: B23Q15/18
Filed: 1998-12-31
Abstract: PURPOSE: A device and a control method thereof are provided to calibrate heat displacement of a machine tool in a real time. CONSTITUTION: A spindle bearing temperature sensor(T1) detects the temperature of a spindle bearing. A cutting oil temperature sensor(T2) detects the temperature of cutting oil. A spindle motor temperature sensor(T3) detects the temperature of a spindle motor. A main shaft transferring ball screw temperature sensor detects the temperature of a main shaft transferring ball screw. The temperatures are all stored in the resistor of a programmable logic controller(10). The programmable logic controller operates the expanding distance about each heat expanding coefficient on the basis of the detected temperatures and subtracts the expanding distance from the lid of the ball screw to obtain a calibrating value. A numerical controller(30) controls the main shaft transferring servomotor(SM) according to the calibrating value in order to control the lid to be the input data of the numerical controller.
Patent KR-20000047095-A (KR)
Title: Branching apparatus of external extension line typed optical cable
Inventor: KWON OH JUN
IPC: G02B6/44
Filed: 1998-12-31
Abstract: PURPOSE: A branching apparatus is provided to prevent an optical cable from escaping out of the branching apparatus by securely fixing the optical cable to the branching apparatus by means of an extension lines. CONSTITUTION: An apparatus comprises a branching member(20) for branching a number of single core optical fibers(53) housed in an optical cable(50), a band(60) for fixing an external extension line(55) positioned in a banding groove(23) of the branching member(20), and an inlet member(30) and a cap(40) for holding the optical cable(50). The branching member(20) is threaded with an interior part of a cylindrical housing(10). The housing(10) has an inlet(15) and outlet(17) for the optical cable(50), a branching member-engaging portion(12) having helical grooves, and an inlet member-engaging portion(13) having helical grooves. The branching member(20) has a number of aligning holes(21) formed in a longitudinal direction. Protection tubes(27) are fitted into and bonded with the holes(21), respectively. The single core optical fibers(53) are fitted into the protection tubes(27). The banding groove(23) having a given depth is formed in a central portion of the external surface of the branching member(20). An inlet hole(24) and an outlet hole(25) for the extension line are respectively provided at opposite sides of the banding groove(23) such that the extension line passes from the inlet hole to the outlet hole via the banding groove. The extension line is bonded in the branching member(20). A predetermined band(60) is installed to hold the external extension line located in the banding groove(23) of the branching member(20). Fixing parts(63) having given through holes(64) are formed at the opposite ends of the band(60). The fixing parts(63) are formed to be spaced apart from each other and pressed by a bolt(66) and a nut(67).
Patent KR-19990036432-A (KR)
Inventor: MOORE KATHERINE LOUISE HEINICK
IPC: C11D3/16
Filed: 1996-08-02
Abstract: 수중유형 유화액 형태의 세정 제제가 제공된다.  오일상 입자의 중간 입경(체적 기준)은 1㎛ 이하이고, 방부제는 적어도 수성상중에 존재한다.  이러한 제제를 제조하는 방법은 입자가 굵은 유화액을 형성하는 단계, 입자가 굵은 유화액을 균질화하는 단계 및 균질화된 유화액을 방부제를 함유한 수성 희석액에 의해 희석하는 단계를 포함한다.  기재에 세정 제제가 담지된 세정 제품, 예를 들어 아기용 와이프를 제조할 수 있다.
Patent KR-19990044592-A (KR)
Title: 살진균제 혼합물
IPC: A01N37/34
Filed: 1996-09-04
Abstract: 상승 작용 유효량의 a) 하기 화학식 I의 (2RS,3SR)-1-[3-(2-클로로페닐)-2,3-에폭시-2-(4-플루오로페닐)-프로필]- 1H-1,2,4-트리아졸 또는 그들의 염 또는 부가물 및 b) 하기 화학식 II의 테트라클로로이소프탈로니트릴을 포함하는 살진균제 혼합물 및 해로운 진균 방제에 대한 그의 용도. 
     <화학식 I> 
     
       
     
     <화학식 II>
Patent KR-19990044593-A (KR)
Title: 질소 산화물을 함유하는 가스 스트림으로부터 그의 제거 방법
IPC: C01B21/40
Filed: 1996-09-10
Abstract: 본 발명은 가스 스트림으로부터 질소 산화물을 제거하는 방법에 관한 것이다.  가스 스트림은 (A) 흡수제에 N 2 O 외의 질소 산화물을 흡수시키거나, 1.5 내지 20 바의 압력에서 N 2 O 외의 질소 산화물을 흡수제와 반응시키는 단계, 및 
     (B) 바람직하게는 단계 A의 압력 수준을 사용하여 N 2 O 양을 감소시키는 단계를 거친다.  본 발명은 또한 이 방법을 수행하기 위한 장치 및 그의 용도에 관한 것이다.
Patent KR-20000065214-A (KR)
Title: 오프축 얼라인먼트 유니트를 갖는 리소그래픽 투영 장치
IPC: G03F9/00
Filed: 1998-03-02
Abstract: 본 발명은 기준(RGP)에 대하여 기판 얼라인먼트 마크(PI)를 얼라인시키기 위한 오프축 얼라인먼트 유니트를 갖는 리소그래픽 투영 장치를 개시한다.  이러한 유니트는 서브빔들이 별개의 기준 그레이팅(90-96) 상에 입사되도록 상이한 방향으로 회절성 기판 마크(PI)로부터 유래하는 상이한 회절 차수를 갖고, 별개의 검출기(DET)에 의해 검출될 수 있는 서브빔들을 제공하는 검출 소자들(80-86)의 구조물(WEP)을 포함한다.  또한, 이러한 유니트는 큰 정확도로 비대칭 얼라인먼트 마크들을 얼라인시킬 가능성을 제공한다.
Patent KR-20000050297-A (KR)
Inventor: AHN JUNG O
IPC: A61Q17/00
Filed: 1999-01-04
Abstract: PURPOSE: A process for preparing compositions for protecting and cleaning the skin and teethridge is provided. CONSTITUTION: A process for preparing the cream type of cosmetic composition having a disinfectant effect on the skin and a recovery activity of the injured skin comprises the steps: dissolving 18 wt.% of stearic acid and 5 wt.% of vaseline; adding 12 wt.% of triethanol amine, 30 wt.% of glycerine, 2 wt.% of lecithin, and 33 wt.% of silver of 2 to 100 ppm in water sonicated with 3.5 to 150 Hz of sonic wave with agitation and heating; and cooling with water to solidify. The cream type of dental composition having a disinfectant effect on the teethridge and a recovery activity of the injured teethridge is prepared by uniformly mixing 10% wt.% of soap powder, 0.2% wt.% of anisic acid oils, 0.04 wt.% of clove oils, 0.04 wt.% of cinnanic acid oils, 0.08 wt.% of spearmint oils, 0.01 wt.% of lemon oils, 33.6 wt.% of glycerin, 29.7 wt.% of calcic carbonate, 0.6 wt.% of peppermint oils, 25.7 wt.% of silver of 2 to 100 ppm in water sonicated with 3.5 to 150 Hz of sonic wave.
Patent KR-19990068072-A (KR)
Title: 메모리 제어기 및 메모리 액세스 방법
IPC: G06F13/16
Filed: 1999-01-22
Abstract: 메모리 제어기(42)는 연속 페이지 모드로 공지된 모드를 지원한다.  상기 메모리 제어기(42)는 파이프라인 내부 버스에 연결되어, 외부 버스로 제어 신호를 제공함으로써, DRAM(43) 등의 메모리를 제어한다.  상기 메모리 제어기(42)는, 다음 어드레스의 페이지 부분과 현재 어드레스의 페이지 부분을 비교한다.  상기 어드레스가 일치하면, 상기 메모리 제어기(42)는 다음 사이클에서 상기 페이지를 오픈한다.  그러나, 상기 어드레스가 일치하지 않거나, 상기 다음 어드레스가 제 1 액세스동안 상기 동일 포인트에서 유효하지 않다면, 상기 메모리 제어기(42)는 상기 제 1 사이클동안 상기 페이지를 완료한다.  상기 메모리 제어기(42)는 상기 페이지가 완료되면 페널티의 발생없이 연속 페이지 모드를 실행한다.
Patent KR-20000051940-A (KR)
Inventor: LIM JUN SUK
IPC: G05B23/00
Filed: 1999-01-28
Abstract: PURPOSE: A simulator of a parallel power management system of a generator is provided to automatically diagnose the parallel operation control system by a simulator and resolve complication and inconvenience of function test steps by an I/O board generating an additional pseudo signal, thereby improving productivity. CONSTITUTION: A parallel power management system(PMS) part(10) outputs a control signal for a parallel operation of a generator and an operation state of a ship engine according to an imaginary event signal or a key signal of a user via an interface. A local control panel(LCP)(20) generates an imaginary reply signal corresponding to the control signal output from the PMS part. A main switch board(30) outputs a control signal for a new operation condition to the generator in view of the power supply state of the generator and generates a reply signal for imaginarily turning on or off an air circuit brake(1) for power supply, and produces an imaginary event signal for a state of power supply line.
Patent KR-20000054918-A (KR)
Title: Mask assembly for cathode ray tube
Inventor: LEE HUI CHEOL
IPC: H01J29/07
Filed: 1999-02-01
Abstract: PURPOSE: A mask assembly for a cathode ray tube is to prevent a doming of a shadow mask, particularly, a partial doming, thereby preventing a lowering of a quality of image and reinforcing a strength of the shadow mask. CONSTITUTION: A mask assembly for a cathode ray tube comprises a shadow mask(20) which has a plurality of beam passing holes and divides and lands electron beam to a corresponding fluorescent material, a mask frame(30) which is weld to a peripheral of the shadow mask to support the shadow mask, a plurality of spring members which are interposed between the mask frame and a stud pin buried in a panel and fixes the mask frame to the panel. A radius of curvature of a long side of the shadow mask is formed to be larger than or the same as 4500mm but less than or the same as 5500mm. A radius of curvature of a short side of the shadow mask is formed to be larger than or the same as 1500mm but less than or the same as 2500mm.
Patent KR-20000055224-A (KR)
Inventor: HWANG SUN HONG
IPC: H01L21/28
Filed: 1999-02-04
Abstract: PURPOSE: A contact characteristic improving method of a semiconductor device is to prevent a junction leakage current from generating by ensuring a deep junction depth. CONSTITUTION: A method of fabricating a semiconductor device comprises the steps of: defining an active region(22) and a field region as a field insulating film on a predetermined portion of a semiconductor substrate(20); forming a gate insulating film and a gate on a predetermined portion of the active region; obliquely injecting an impurity ion into the active region to form an impurity ion buried layer having the impurity ion distribution equal to that of a portion of the active region adjacent to a field oxide film(21) and the remained portion thereof; forming a silicide layer(23) on the impurity ion buried layer; and forming an interlayer insulating layer(24) having a contact hole for exposing part surfaces of the silicide layer and the field insulating film together on the whole surface of the substrate including the silicide layer and the field insulating film.
Patent KR-19990072495-A (KR)
Title: 정전기방지처리된폴리우레탄및엘라스탄섬유
IPC: C08L75/04
Filed: 1999-02-08
Abstract: 본 발명은 폴리우레탄 조성물에 관한 것이며, 특히, 이로부터 제조되는 탄성 폴리우레탄 섬유에 관한 것으로, 이는 첨가제로서 디알킬 술포숙시네이트를 함유하고(거나) 폴리디알킬실록산, 디알킬 술포숙시네이트 및 임의의 미네랄 오일로 마무리 처리된다.  디알킬 술포숙시네이트의 첨가, 또는 이를 함유한 폴리우레탄 조성물 또는 탄성 폴리우레탄 섬유의 제조 결과, 예를 들어, 폴리우레탄 섬유로 제조된 경편포의 가공 처리시 발생하는 것과 같은 중합체의 정전기 충전이 억제된다.
Patent KR-19990072653-A (KR)
Title: 니어필드형광학적저장매체및이를위한광학적데이터저장시스템
IPC: G11B7/24056
Filed: 1999-02-12
Abstract: 광학적 데이터저장시스템은 니어필드를 발생하는 고체함침렌즈 또는 고체함침광학계를 구비한 광픽업을 이용하여 광학적 저장매체에 정보를 쓰거나 읽는다.  광학적 저장매체는 고체함침렌즈 또는 고체함침광학계에 마주보는 광학적 투과층의 한 쪽 표면의 반대가 되는 다른 쪽 표면에 놓인 기록층을 구비한다.  광학적 트과층의 두께는 사용하는 광의 한 파장 보다 크며, 고체함침렌즈(또는 고체함침광학계)와 광학적 투과층의 표면들간의 간격은 사용하는 광의 한 파장보다 작다.  따라서, 본 발명은 에어갭 속이나 에어갭과 기록층사이의 저장매체 내부에서 반사되는 광빔이 기록층에서 반사되는 광빔에 노이즈로 작용하지 않게 한다.  또한, 본 발명은 광학적 저장매체의 외부표면이 되는 보호층 또는 기판의 두께를 두껍게 할 수 있으므로, 먼지나 흠집 등에 있는 경우에도 광학적 저장매체에 정보를 정확하게 쓰거나 읽어낼 수 있다.
Patent KR-19990077648-A (KR)
Title: 웨이퍼가공기및그가공방법
IPC: B24B9/00
Filed: 1999-03-05
Abstract: 본 발명은 연마용 패드(pad) 또는 연마석을 부착한 2개의 정반을 가지며, 그들 사이에 웨이퍼(wafer)를 탑재하여 웨이퍼의 양면과 웨이퍼의 최외주부(연부)를연속적으로 가공하는 쉬트(sheet) 공급식 웨이퍼 연마기에 관한 것이다.  상기 웨이퍼의 표면은 상기 2개의 정반중 하나와 웨이퍼를 회전시켜서 가공하고, 상기 정반의 직경은 상기 웨이퍼의 반경보다 크고 상기 웨이퍼의 직경보다는 작으며, 상기웨이퍼는 상기 웨이퍼의 최외주부에 접촉하는 적어도 3개의 안내 롤러(roller)에 의해 지지된다.  또한 본 발명은 상기 웨이퍼 가공기에 의한 연부 연마와 표면 연마 방법을 제공한다.
Patent KR-20000060927-A (KR)
Inventor: KIM HYEON SU
IPC: B60G17/04
Filed: 1999-03-22
Abstract: PURPOSE: An active suspension for automobile is provided that improves the suspension performance and the vibration absorbing property, and highly reduces the consumption of energy and electric current, as well as greatly enhances a safety. CONSTITUTION: The suspension is characterized by connecting in line a spring for a vibration absorption against a road surface and an active suspension being a damper with an actuator controlled by an oil pressure. The active suspension is converted to a semi-active suspension during the actuator failure. The spring connected in line with the actuator and the active suspension being the damper are constituted by a monotube suspension (MTS).
Patent KR-20000061994-A (KR)
Inventor: LEE CHANG JIN
IPC: A61Q19/00
Filed: 1999-03-30
Abstract: PURPOSE: Massage cream containing sericite, a kind of montmorillonite-based mineral, that has conditioning effect on skin is provided. CONSTITUTION: To achieve the beforementioned purpose, firstly a predetermined amount of sericite is collected, screened, and disinfected to remove harmful factors. And then, the processed sericite is put in a container which is full of water. As time goes by, the mixture consisted of water and sericite is separated into two layers, i.e sediments precipitate at the bottom part and sericite supernatant is located in the upper part. The sericite supernatant is applied as an ingredient of additives for massage cream in the preparation process.
Patent KR-20000065981-A (KR)
Inventor: JANG CHEOL HYEON
IPC: H04L12/28
Filed: 1999-04-12
Abstract: PURPOSE: A device for multiplexing/demultiplexing an asynchronous transfer mode(ATM) cell of a base station, is provided to multiplex an ATM cell transmitted from the base station and transmit the ATM cell to an ATM switch to be switched by destinations, and to demultiplex the switched ATM cell to be transmitted by destinations, thereby a control station has a transmission function of ATM cells from many base stations, so as to transmit every kind of traffic through an ATM network. CONSTITUTION: When an asynchronous transfer mode(ATM) cell is received from a base station(BS), the received cell is divided into an ATM adaptation layer(AAL)2-type ATM cell loading voice data and an AAL5-type ATM cell loading non-voice data, by four ATM frame/deframe assembly(AFDA,21a-21d) of a BTS interface subsystem(BIS). Then the ATM cells passe an ATM multiplexing/demultiplexing circuit(AMDA)(22) and are transmitted to an ATM switch(30), then are transmitted to MSC(50). The AMDA(22) has four AFDA(21a-21d), a controller, a cell bus interface, an ATM cell multiplexer/demultiplexer, a user-network interface(UNI), an optical transceiver and an external device monitoring circuit. The controller controls an entire operation for multiplexing/demultiplexing ATM cells between ATM switches. The cell bus interface performs an ATM cell bus interface function, and transceives the AFDA(21a-21d) and ATM cells. The ATM cell multiplexer/demultiplexer multiplexes the ATM cells from the cell bus interface and demultiplexes the ATM cells from the UNI, according to control of the controller. The UNI performs an ATM physical layer function and a STM-1 frame configuration function. The optical transceiver converts a serial electrical signal transmitted from the UNI into an optical signal, and reversely converts an optical signal from the ATM switch into an electrical signal. And the external device monitoring circuit monitors the mounting/demounting and operation of the AFDA(21a-21d).
Patent KR-20000000026-A (KR)
Inventor: BYUN YOUNG BOK
IPC: C10M171/00
Filed: 1999-04-21
Abstract: PURPOSE: Manufacturing method of grease by mixing conventional grease with a modifier of synthetic hydrocarbon and MILITEC-IR or Mira-rube is provided to reduce the coefficient of friction. CONSTITUTION: A modifier of synthetic hydrocarbon and MILITEC-IR or MIRALUBE is mixed with ordinary grease in the ratio of 1:12 and stirred at 80-100°C for 90-150 min in a mixer. The mixer comprises a cylindrical tank(10) for storing grease to mix, a steam pipe(20) installed on the periphery of the tank(10) in spiral form, a steam boiler(30) for supplying steam to the steam pipe(20), and a blade(44) of the mixer mounted on a mixing shaft(42) rotating at a speed of 150-200 rounds per sec by motor. The process reduces the coefficient of friction of grease by above 80% and lessens the abrasion rate by above 80%.
Patent KR-19990087984-A (KR)
Title: 씨디앰에이셀방식시스템및씨디앰에이셀방식시스템에있어서확산부호검출방법
IPC: H04J13/16
Filed: 1999-04-29
Abstract: 모든 기지국간에 정확한 동기를 요하지 않으며 복잡한 과정 없이 기지국간을 서로 구별할 수 있는 CDMA 셀방식 시스템이 개시되어 있다.   2개의 요소부호가 확산부호를 발생시키기 위해 쉬프트된 타이밍에 의해 승산되면 순환적으로 쉬프트될 때도 서로간에 일치하지 않은 다른 부호들이 각 기지국에 대해 발생된다. 기지국들의 확산부호는 기지국간에 서로 동기되지 않을 때라도 구별되어진다. 이러한 확산부호를 사용하는 CDMA 셀방식 시스템에서는 프레임 동기가 모든 기지국에 공통인 확산부호에 의해 확산된 퍼치 채널을 사용하여 이루어지면, 기지국들중 하나로부터 송신된 신호는 모든 기지국에서의 프레임에 대하여 동일 타이밍(위상)인 제1 요소부호를 기초로 역확산된다. 역확산된 신호는 기지국간에 서로 다른 타이밍(위상)으로 제2 요소부호를 쉬프팅함으로써 발생된 신호이기 때문에 사용되어지는 확산부호는 상관치 산출유니트에 의해 특정될 수 있다.
Patent KR-20000072882-A (KR)
Inventor: KIM HYUNG SEOB
IPC: A21B5/00
Filed: 1999-05-01
Abstract: PURPOSE: Pizza roasting device is able to confirm all cooking process of pizza by the naked eye, raises confidence on cooking pizza, increase purchasing power by arousing interest and curiosity of consumer by being exposed oven visually in cooking. CONSTITUTION: Pizza roasting device comprises driving motor to be equipped in frame; driving wheel geared by connecting with the driving motor in driving the driving motor; first axis(9) and second axis (10) to be equipped in the frame to bite each other by maintaining fixed period with toothed wheel part of the driving wheel; casing(16) to see through the inside to confirm cooking state of pizza in baking pizza, to be equipped in the frame; oven(11) to bake pizza by automatic-transferring on the identical plane of casing(16) inside with feeding device geared in rotating first axis(9) and second axis (10); heating device to heat pizza and oven(11) automatic-transferred by forming to maintain fixed interval vertically for the oven(11).