baber/WOPTO huggingface dataset:
Patent KR-20000028402-A (KR)
Title: Apparatus for removing and cleansing sensitizer of device for fabricating semiconductor
Inventor: O GYEONG TAEK
IPC: H01L21/02
Filed: 1998-10-31
Abstract: PURPOSE: An apparatus is provided to reduce the defect of production as well as to rapidly remove and cleanse a dry sensitizer. CONSTITUTION: An apparatus is composed of a multi chamber(1) and a robot arm(2). Herein, the multi chamber is formed in a hexagonal shape for having plural chambers(3,5,6,7,8,9) around the multi chamber. Then, the robot arm is installed in the center of the multi chamber to transfer a wafer between the chambers. And, the chambers are made up of a load lock chamber(3) having a cassette(4), a removing chamber(6) of a low temperature sensitizer, the removing chamber(5) of a high temperature sensitizer, the washing chamber(7), and first and second cleansing chambers(8,9). Herein, the removing chamber(6) is controlled to be lower than 70°C for forming O2 plasma in a vacuum state. The removing chamber(5) is controlled to be higher than 200°C, and the washing chamber rotates the wafer, feeds nitrogen gas of high temperature and DI water, and dries the wafer. Then, the first and second cleansing chambers primarily and secondarily cleanse the wafer with sulfuric acid and hydrogen peroxide. Therefore, a dry sensitizer is rapidly removed and cleansed in the additional chambers of the same device to reduce the defect of production as well as to improve the productivity.
Patent KR-20000030978-A (KR)
Title: Plastic packer for bills
Inventor: CHA GEON TAE
IPC: B65B25/00
Filed: 1998-11-02
Abstract: PURPOSE: A plastic packer is provided to easily check the bill by loading a bank bill vertically and packing the bill in the transparent vinyl pack while carrying. CONSTITUTION: Bills are piled between guide rails(7). When an operator pushes a start button after inserting a transparent vinyl pack into a side guide plate(5) and an upper guide plate(6), an input device(9) pushes a bunch of bills as a driving motor(17) rotates and the upper guide plate and the side guide plate open a vinyl pack(3) in a moment to put the bills. At the same time, a compressing stopper(4) pushes the opening of the vinyl pack to seal with a sticking tape.
Patent KR-20000032110-A (KR)
Title: Multiplexing apparatus for dividing and combining wavelength division signal
Inventor: JEONG GOO HONG
IPC: H04J14/00
Filed: 1998-11-12
Abstract: PURPOSE: A multiplexing apparatus for dividing and combining wavelength division signals is provided to monitor an output optic signal from a wavelength division multiplexer, so that the OSNR(Optical Signal to Noise Ratio) is constantly maintained. CONSTITUTION: A multiplexing apparatus for dividing and combining wavelength division signals comprises a pre-amplifier(21), at least one of optic demultiplexers(22), at least one of optic switches(23-1,..., 23-N), at least one of optic multiplexers(24), a post-amplifier(25), and a channel equalizing controller(28). The pre-amplifier(21) amplifies an input optic signal of wavelength division multiplexing. The demultiplexers(22) demultiplex the input optic signal of each channel of wavelength division multiplexing. The optic switches(23-1,..., 23-N) switches each channel of wavelength division multiplexing so that each channel signal is divided or combined. The optic multiplexers(24) multiplex each channel signal which is divided or combined. The channel equalizing controller(28) performs a real-time monitoring to the amplified output optic signals, and controls power of the optic output signals, so that the OSNR(Optical Signal to Noise Ratio) is constantly maintained.
Patent KR-19990046222-A (KR)
Title: 롤 연마용 다공질 지석 및 롤 표면의 연마 방법
IPC: B41N1/06
Filed: 1998-11-14
Abstract: 본 발명은 롤 표면에 당접하여 그 롤 표면을 연마하는 연마면이 평면 사각 내지 이십각의 다각 형상으로 형성되어 있는 것을 특징으로 하는 롤 연마용 다공질 지석에 관한 것이다. 
     본 발명에 의하면 롤 연마시에 양호한 치수 정밀도를 얻을 수 있음과 동시에 종래와 같은 지석 이송 속도에 의한 연마 이송 흔적을 롤 외주 방향으로 평행하여 이송 흔적 핏치가 강한 연마가 아니라, 지석 이송 속도에 의한 연마 이송 흔적을 롤 외주 방향으로 평행해지지 않도록 하며, 이송 흔적 핏치 경사 각도를 작게 함으로써 인쇄 공정에서 인쇄물에 연마 이송 흔적에 의한 줄기상의 인쇄 결함이 없는 롤 연마를 행할 수가 있다.
Patent KR-20000032591-A (KR)
Title: Automatic adjuster for road clearance of vehicle and control method thereof
Inventor: KIM MIN HONG
IPC: B60G17/00
Filed: 1998-11-16
Abstract: PURPOSE: A device and a method are provided to prevent a vehicle from being damaged by automatically adjusting road clearance of a vehicle depending on the opening and shutting of a door for stopping. CONSTITUTION: A control unit(18) detects height of an open door and a road by the output of a door sensor(16) and compares the detected height with a standard height(HR). When the detected height is higher than the standard height, the control unit outputs a down signal to an actuator of the corresponding door. If the open door is a left door, a left actuator(20) responds the input of the down signal to feed the signal to an L-F/R suspension(active damper)(22). Therefore, the left suspension drives downward. Also when the detected height is lower than the standard height, the control unit outputs an up signal to drive the corresponding suspension upward.
Patent KR-19990045430-A (KR)
Title: 회로기판의 평탄화방법 및 반도체장치의 제조방법
IPC: H05K3/00
Filed: 1998-11-19
Abstract: 회로기판의 평탄화 방법은 양면에 배선층을 갖는 회로기판을 접착층을 통하여 평탄한 표면을 갖는 기판에 고정시키는 단계를 포함하며, 상기 회로기판은 상기 기판상에 고정된 평탄부재에 의해 위로부터 압박된다.
Patent KR-20000037593-A (KR)
Title: Method for synthesizing artificial indoor impulsive response function
Inventor: KIM KI HONG
IPC: G10K15/08
Filed: 1998-12-01
Abstract: PURPOSE: A method for synthesizing artificial indoor impulsive response function is provided to obtain natural reverberation effect by an artificial indoor impulsive response function having efficient reverberation density. CONSTITUTION: A method for synthesizing artificial indoor impulsive response function includes a first step(200) of synthesizing an artificial indoor impulsive response function by an artificial indoor impulsive response function synthesizing module, performing a convolution of the artificial indoor impulsive response function to an original sound to increase a reverberation density by hours without periodicity, and catching an arrangement(h£len|:len is length of arrangement) to initialize the arrangement value(h£1|=1,h£n|=1 (n is not 1)), a second step(201) of determining parameters(nd: integer between 1 and len, g1 and g2: real number of which absolute value is below 0.5) for synthesizing the artificial indoor impulsive response function, a third step(202) of generating a random integer(d) between 1 and 2nd, a fourth step(203) of adding g1h£n| to n+dth arrangement value h£n+d| and g2h£n| to n+2dth arrangement value h£n+2d|, and repeating the above steps by increasing n by 1 until n exceeds the len to obtain an artificial indoor impulsive response function arrangement h£n|.
Patent KR-20000037904-A (KR)
Title: Circuit for removing noise component of image signal
Inventor: KIM JIN GAP
IPC: H04N5/14
Filed: 1998-12-03
Abstract: PURPOSE: A circuit for removing a noise component of an image signal is provided to improve image quality as muting an image signal including a noise component during a noise period to remove the noise component. CONSTITUTION: A circuit for removing a noise component of an image signal includes an image signal amplifying part(10), a signal sensing part(20) and an image signal muting part(30). The image signal amplifying part amplifies an image signal. The signal sensing part senses the amplified image signal and outputs a high signal when the amplified image signal is higher than a predetermined standard voltage. A signal from the signal sensing part is inputted to the image signal muting part and mutes an image signal during a noise period.
Patent KR-20000040299-A (KR)
Title: Method for displaying background picture in cellular phone
Inventor: YUN WOO SEON
IPC: H04M1/72427
Filed: 1998-12-17
Abstract: PURPOSE: A method for displaying a background picture in a cellular phone is provided to display the background picture desired by a user on a display unit of the cellular phone, by downloading the background picture via a computer to store it in a memory mounted in the cellular phone. CONSTITUTION: A controller detects a key input for the selection of the background picture(300). The controller sequentially reads still image data on the background pictures which are stored in a flesh memory, and then displays them with their selection numbers on the display unit for a certain time(302). If a key input occurs during the display, the controller set the background picture corresponding to the key input and stores it in the flesh memory(306). If a selection number is inputted while the background pictures are displayed(308), the controller set the background picture corresponding to the selection number and stores it in the flesh memory(306).
Patent KR-20000041052-A (KR)
Title: Heat radiating apparatus of ductile board
Inventor: WI HONG BOK
IPC: H05K7/20
Filed: 1998-12-21
Abstract: PURPOSE: A heat radiating apparatus of a ductile board is to efficiently radiate a heat which is generated from an integrated circuit(IC) mounted on the ductile board, thereby increasing a durability of the ductile board. CONSTITUTION: A heat radiating apparatus of a ductile board(10) comprises an IC mounting groove(30) which is formed at a center portion of the ductile board, a lead which is exposed to a peripheral of an IC(20) mounted in the IC mounting groove and connected to a surface of the ductile board, a solder ball(50) which is formed on the surface of the ductile board, a radiation plate(80) which has an irregular portion(70) thereon and is attached at a rear portion of the IC mounting groove by an adhesive to radiate the heat from the IC. The radiation plate is made of Al or Cu. The irregular portion of the radiation plate is formed by an etching process or a mechanical process.
Patent KR-20000041064-A (KR)
Title: Multi low-noise frequency converter
Inventor: KIM WON HO
IPC: H03H9/25
Filed: 1998-12-21
Abstract: PURPOSE: A multi low-noise frequency converter is provided to perform a function of receiving different satellite signals simultaneously and a function of selectively receiving the satellite signals. CONSTITUTION: A multi low-noise frequency converter comprises a vertical polarized wave frequency converting part, a horizontal polarized wave frequency converting part, and a horizontal polarized wave bypass part. The vertical polarized wave frequency converting part receives a vertical polarized wave signal(RF-V) to output a vertical IF signal through a first output terminal(OUT1). The vertical polarized wave frequency converting part consists of a low-noise amplifier(V31), a band pass filter(V32), a first local oscillator(LO1), a mixer(V33), a low pass filter(V34), and first and second IF amplifiers(V35,V36). The horizontal polarized wave frequency converting part consists of a switching part(H31,H32,H33,H34,H35,DB1) for receiving the vertical IF signal and a diode block(DB2) for passing the horizontal IF signal to a second output terminal(OUT2). A horizontal polarized wave bypass part(H32-1,LO2,H33-1,H34-1,H35-1) provides the horizontal IF signal to the first output terminal(OUT1).
Patent KR-20000041224-A (KR)
Title: Array type micro injecting device
Inventor: AHN BYUNG SEON
IPC: B41J2/04
Filed: 1998-12-22
Abstract: PURPOSE: An array type micro injecting device is provided to make easy replacement of an ink supply tool in a micro injecting device applied to an ink jet printer, a micro pump for medical equipments, and a fuel spraying device. CONSTITUTION: A cartridge(401) supplies ink to a chamber of an ink spray head(101) via an ink supply hole(20) under a certain condition, if the pressure of the ink spray head is lowered. The ink spray head expands and contracts the ink repeatedly by the operation of an electrode layer and a heater thus the ink is sprayed promptly to an outside printing paper. Cartridges for supplying ink and ink spray head for spraying ink are placed in a printer. When the cartridges and the ink spray heads are to be replaced, only a certain component with defect is replaced. Thereby, unnecessary disposal of entire device is avoided.
Patent KR-20000042433-A (KR)
Title: Semiconductor device having auxiliary driving circuit for stable signal transfer
Inventor: CU SHIN HO
IPC: G11C7/10
Filed: 1998-12-24
Abstract: PURPOSE: A semiconductor device is provided to secure a stability at transferring a signal or data, and to perform a high-speed operation by forming an auxiliary driving circuit at a signal or data line. CONSTITUTION: A semiconductor device comprises a first master driver(1) and a second master driver(2) which are connected through a pair of global input/output lines(gio,giob). A first slave driver is connected to the global input/output line(gio), and consists of three inverters(10,11,32), two NMOS transistors(33,34), two PMOS transistors(P1,P2) and a delay(7). The PMOS transistor(P1) whose gate is grounded has a channel formed between a power supply voltage and the line(gio), and the PMOS transistor(P2) whose channel is formed between the power supply voltage and the line(gio) has a gate connected to receive a signal on the line(gio) through the delay(7) and the serially-connected inverters(10,11). The channels of the transistors(33,34) are formed in series between the line(gio) and a ground voltage. The gate of the transistor(33) is connected to the line(gio) through the inverter(32), and the gate of the transistor(34) is connected to receive a signal on the line(gio) through the delay(7). A second slave driver is connected to the global input/output line(giob), and consists of three inverters(12,13,35), two NMOS transistors(36,37), two PMOS transistors(P3,P4) and a delay(8). The second slave driver have the same circuit configuration as the first slave driver.
Patent KR-20000043189-A (KR)
Title: Method for manufacturing semiconductor device
Inventor: KIM JI HYUNG
IPC: H01L21/337
Filed: 1998-12-28
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to reduce a short channel effect and a leakage current by forming a punch-through barrier. CONSTITUTION: A method for manufacturing a semiconductor device comprises the following steps. A pocket(26) is formed by implanting ions of n type dopant on a p type semiconductor substrate(12) formed with gate electrodes(18). A punch-through barrier(24) is formed by implanting ions for punch-through barrier into a lower portion of the pocket. A source/drain area(28) is formed by implanting p type dopant on both sides of the substrate of the gate electrodes prearranged as the source/drain area. The source/drain area is formed to be surrounded by the pocket and the punch-through barrier.
Patent KR-19990036154-A (KR)
Title: 통신 네트워크에서 노드간의 추가경로 결정 방법 및 그 네트워크에서 사용되는 노드
IPC: H04Q3/66
Filed: 1996-08-06
Abstract: 본 발명은 노드가 부분적으로 또는 전부 메쉬구조로 된 통신 네트워크에서 재복구 경로(또는 추가 경로)를 결정하는 방법 및 그 네트워크에서 사용되는 노드에 관한 발명으로서, 처음에 자신을 현재 경로에서 슬레이브 앤드 노드로 되는 것으로 결정하는 노드에서 가장 짧은 길이를 갖는 잠재적 복구 경로를 나타내는 신호를 선택하고 경로 확인 신호를 돌려보내는 다수의 정방향 경로-찾기 신호를 수신하는 타임아웃을 설정하고;  상기 타임아웃의 만료시 어떠한 경로-찾기 신호도 수신되지 않은 경우에는 상기 현재 노드를 위한 마스터 앤드 노드처럼 동작하도록 스위치 하고 그의 이웃하는 노드에게 역 경로-찾기 신호를 보내고;  처음에 자신을 현재 노드용 마스터 앤드 노드로 결정하는 노드에서 역 경로-찾기 신호를 수신하자마자 슬레이브 앤드 노드처럼 동작하고, 해당 회신 신호를 보낸다.  슬레이브 앤드 노드가 상기 잠재적 복구 경로에 용량이 충분하지 않음을 나타내는 백트랙 신호를 수신하면, 상기 노드는 마스터 앤드 노드처럼 동작하도록 스위치하고, 노드가 역 경로-찾기 신호를 보내고 난 다음 정방향 경로-찾기 신호가 수신되면, 우선순위 경로 확인 신호가 보내지며, 상기 경로-찾기 신호에는 카운트 필드가 있어서 운반 방향을 나타내고 상기 보내는 노드가 마스터 앤드 노드처럼 동작하도록 스위치 되고, 정방향 신호가 1,3, 등 등을 카운트 하고, 역 신호는 2,4, 등 등을 카운트 하는 시간을 나타내며, 노드가 정방향 경로-찾기 신호를 보내고 역방향 경로-찾기 신호를 수신하고 확인 신호를 보내고 그리고 계속해서 우선순위 확인 신호를 수신하여, 백트랙 신호가 수신되지 않는다면 두 복구 경로가 설립되는 것이며 상기 노드는 더 좋은 노드고 선택되는 것을 특징으로 한다.
Patent KR-19990064206-A (KR)
IPC: C04B35/111
Filed: 1996-10-15
Abstract: PCT No. PCT/FR96/01609 Sec. 371 Date Sep. 22, 1998 Sec. 102(e) Date Sep. 22, 1998 PCT Filed Oct. 15, 1996 PCT Pub. No. WO97/14759 PCT Pub. Date Apr. 24, 1997Alumina-based abrasive grains having a skin constituted by a mixture of finely dispersed aluminum hydrate and sodium silicate, and a process for the production of such grains consisting of (a) preparing a gel by mixing a solution of sodium silicate and a colloidal solution of aluminum hydrate in acid medium, (b) coating the abrasive grains with the gel in an amount of 0.1 to 5 percent weight, and (c) subjecting the coated grains to a drying treatment at a temperature of between 100 and 500 DEG  C. The grains according to the invention are used for the manufacture of cloths and abrasive paper and also grinding wheels.
Patent KR-19990067457-A (KR)
IPC: A24D3/06
Filed: 1996-10-31
Abstract: PCT No. PCT/EP96/04733 Sec. 371 Date May 4, 1998 Sec. 102(e) Date May 4, 1998 PCT Filed Oct. 31, 1996 PCT Pub. No. WO97/16986 PCT Pub. Date May 15, 1997A description is given of a filter cigarette, whose filter a) contains fibrous filter material, b) contains an additive with an antimutagenic action on the cigarette smoke in a quantity of less than 15 wt. %, based on the fiber weight of the filter and c) on smoking a similar unventilated filter cigarette, but not containing additive, has a nicotine retention RN (in %) (determined according to CORESTA recommended method No. 9) satisfying the following formula:RN>/=100*(1-D) in which:D=exp(A*B+C),withA=21 mm-filter length (mm) for filter lengths</=25 mm orA=-4 mm for filter lengths>25 mm,B=9.3*10-3(1/mm) andC=-(d4* DELTA p*K+L) with d=filter diameter (mm),  DELTA p=draw resistance of filter (mm hydraulic pressure), K=1.0228*10-6 (1/(mm4*mm hydraulic pressure)) and L=0.2334. Using said filter and measured according to the Ames test with strain TA 98, it is possible to filter mutagenically acting substances with a selectivity of at least 10% better than other smoke ingredients. A particularly suitable method for the manufacture of such a filter cigarette is described.
Patent KR-19990077135-A (KR)
Title: 5에이치, 10에이치-이미다조[1,2-에이]인데노[1,2-이]피라진-4-온 유도체, 이의 제조방법, 이의 중간체 및 이를 함유하는 약제
IPC: A61K31/675
Filed: 1997-01-06
Abstract: 화학식 1의 화합물, 이의 이성체, 라세미체 혼합물, 에난티오머 및 부분입체 이성체 및 이들의 염, 이들의 제조방법, 이들의 중간체, 및 이들 화합물을 함유하는 약제가 기술됨. 
     화학식 1 
     
       
     
     상기식에서, 
     R은 수소원자 또는 -COOH, -alk-COOH, -PO 3 H 2 , -CH 2 -PO 3 H 2 ,  또는 -CH=CH-COOH 라디칼, 또는 카복시 라디칼로 치환된 페닐 라디칼이고, 
     R 1 은 -alk-CN, -alk-COOH, -alk-Het, -alk-PO 3 H 2 또는 -alk-CO-NH-SO 2 R 2 라디칼이며, 
     R 2 는 알킬 또는 페닐 라디칼이며, 
     alk은 알킬 라디칼이며, 
     Het는 1 내지 9 개의 탄소원자와 O, S, N 중에서 선택된 하나 이상의 헤테로원자를 함유하며, 하나 이상의 알킬, 페닐 또는 페닐알킬 라디칼로 임의로 치환되는 포화 또는 불포화 모노 또는 폴리사이클릭 헤테로사이클이며, 
     단, R이 수소원자 또는 -COOH 또는 -PO 3 H 2 라디칼을 나타낼 때, R 1 은 -alk-COOH일 수 없다. 
     화학식 1의 화합물은 귀중한 약리학적 성질을 지니고 있고 퀴스쿠알레이트 수용체로도 알려져 있는 α-아미노-3-하이드록시-5-메틸-4-이속사졸프로피온산(AMPA) 수용체의 길항제이다.   더욱이, 화학식 1의 화합물은 N-메틸-D-아스파테이트(NMDA) 수용체의 비-경쟁성 길항제, 및 특이적으로 NMDA 수용체 글라이신 모듈레이터 부위에 대한 리간드이다.
Patent KR-20000064747-A (KR)
Title: Absorbent cores having improved acquisition capability, and absorbent articles containing them
Inventor: HUGHES AMY GRAY
IPC: A61F13/534
Filed: 1997-03-18
Abstract: The invention relates to an absorbent core capable of absorbing discharged aqueous body fluids, said absorbent core comprising: (1) an upper fluid acquisition/distribution component capable of receiving aqueous fluids, the fluid acquisition/distribution components being positioned in the fluid discharge region of the absorbent core; (2) at least one upper fluid storage component positioned at least partially underneath and in fluid communication with the upper fluid acquisition/distribution component(s), the upper fluid storage component being capable of expanding in the z-direction when contacted with aqueous body fluids to form a fluid acquisition zone; (3) a fluid acquisition zone capable of receiving aqueous body fluids, the fluid acquisition zone being at least partially surrounded by said at least one upper fluid storage component(s); (4) a lower fluid acquisition/distribution component capable of acquiring and transporting aqueous body fluids being positioned at least partially underneath and in fluid communication with the upper fluid storage component(s); and (5) preferably, at least one lower fluid storage component positioned underneath the lower fluid acquisition/distribution component and in fluid communication therewith. The invention further relates to an absorbent article useful for absorbing discharged aqueous body fluids that comprises: A) a fluid pervious topsheet; B) a backsheet; and C) an absorbent core of the present invention.
Patent KR-20000016452-A (KR)
Title: Drive circuit for active matrix liquid crystal display
Inventor: NAKAMURA MIKA
IPC: G09G3/36
Filed: 1998-04-21
Abstract: PURPOSE: No drive IC is used in a liquid crystal display, thus the manufacturing cost being low, the step of mounting drive ICs on the array substrate being dispensed with, and the thickness of the liquid crystal display being small. CONSTITUTION: The drive circuit for an active matrix liquid crystal display, which comprises a resistor-division digital-analog converter, the analog output voltage of the converter being amplified by a signal amplifying element and a liquid crystal display element being driven by the amplified analog output voltage, and wherein a resistive element (R) is formed of a p-Si n+ layer over the array substrate of the liquid crystal display, and a switching element (Tr) and the signal amplifying element are formed in the array substrate.
Patent KR-19990067713-A (KR)
IPC: H01J29/04
Filed: 1999-01-05
Abstract: 본 발명은 높은 전계 강도에서 고체로부터 진공으로 전자를 방출하는 전계 방출 장치(field emission device)의 기술분야에 관한 것이다.  본 발명은 또한 그의 제작방법과 매트릭스 어레이(matrix array), 특히 평판 표시기에서의 그의 용도에 관한 것이다. 
     본 발명에 따른 전계 방출 장치는 게이트(gate) 전극에 의해 형성된 각 개구(5)에 배열된 다수의 팁(tip)(2)을 포함한다.  소정의 게이트-음극 전압이 인가되면, 하나 이상의 팁이 진공으로 전자를 방출한다.  모두 거의 같은 높이를 갖는 팁(2)은 단결정질 규소(1) 또는 다결정질 규소(6)로 구성되며, 그 말단은 각각 단결정질 규소 층(1) 또는 다결정질 규소 층(6)과 절연체(3)의 하부 경계층에 위치한다.
Patent KR-19990068010-A (KR)
Title: 무선 통신 장비
IPC: H05K7/20
Filed: 1999-01-20
Abstract: 무선 통신 장비는 외부 도어에 장착된 밀폐체(2)를 갖게 개시된다. 상기 밀폐체는 무선 송신기 및 무선 수신기를 함유한다. 
     냉각 모듈(12)은 상기 밀폐체의 표면 위에 존재하여 작용하도록 밀폐체에 인접하게 장착되므로써 밀폐체를 냉각시킨다. 
     주 분할기 유닛(20)은 케이블에 의해 주 전기 전원에 접속된 주 유입구(18)와, 하나는 송신기 및 수신기에 전력을 인가하고 다른 하나는 냉각 모듈에 전력을 인가하는, 케이블 및 커넥터에 의해 접속된 두개의 주 방출구를 갖는다. 
     스위치(30)는 주 전원으로부터 제 2 방출구를 절연시킨다. 
     상기 배열은 무선 장비의 전력을 오프하지 않은 채 냉각 유닛을 교체할 수 있게 하며 주 전원에 단지 단일 케이블만을 사용할 필요성을 유지한다.
Patent KR-20000055790-A (KR)
Inventor: PARK CHANG SU
IPC: H04B7/02
Filed: 1999-02-10
Abstract: PURPOSE: An apparatus for controlling a transmit antenna diversity in a mobile communication system is provided, so that a base station can control transmit power of two antennas by weighting the transmit power, by making a terminal measure relative receiving signal strength of the two antennas, to transmit measured information to the base station through a channel such as a reverse link dedicated control channel. CONSTITUTION: An apparatus for controlling a transmit antenna diversity in a mobile communication system comprises a central controller(111), space-time transmit diversity(STTD) coders(103,105), multiplexers(104,106), a diffuser, and a transmit power controller. The central controller decides a transmit mode according to a mobile speed of a terminal and a handoff region. The STTD coders perform STTD coding processes for transmitting information in a base station. The multiplexers separate signals into at least two antenna signals. The diffuser diffuses the separated signals with orthogonal codes and scrambles the orthogonal codes. The transmit power controller controls transmit power ratios of antennas according to feedback information received from the terminal.