baber/WOPTO huggingface dataset:
Patent KR-20040042129-A (KR)
Title: Body for fluorescent lighting
Inventor: KIM YOUNG KYUNG
IPC: F21V23/00
Filed: 2002-11-13
Abstract: PURPOSE: A socket is provided to reduce manufacturing costs by permitting the lead wire to be connected to the start lamp in a selective direction of the rear and bottom surfaces of the socket. CONSTITUTION: A socket(4) comprises a socket body(100) having lead wire guide holes(111,112) formed at the direction of a rear surface(120) and direction of a bottom surface(130), wherein the lead wire guide holes are communicated to a terminal groove(110) formed in the socket; a connection terminal(200) accommodated in the terminal groove, and which has ground holes(224,234) formed at the directions of the rear surface and bottom surface, respectively; and a cover(300) for preventing exposure of the connection terminal, and which has a through hole(310) for insertion of a fluorescent lamp terminal. A lead wire(6) is coupled to the connection terminal in a selective direction by using the guide holes of the socket body and the ground holes of the connection terminal.
Patent KR-20040042570-A (KR)
Title: Mehtod of Announcing Error of Mobile Communication Terminal
Inventor: HUH JUN
IPC: H04W24/02
Filed: 2002-11-15
Abstract: PURPOSE: A method for reporting an error of a mobile communication terminal is provided to notify error information of the mobile communication terminal to a producer when the error is generated in the mobile communication terminal. CONSTITUTION: When an error is generated in a mobile communication terminal, a diagnosis circuit unit of the mobile communication terminal grasps the state of each composition block and diagnoses the type and cause of the error(S1). The diagnosis circuit unit collects error information, and stores collected error information in a memory(S2). A BSC(Base Station Controller) receives error information from the mobile communication terminal, analyzes received error information(S4), and reports analyzed error information to a producer(S5-S14).
Patent KR-20040043277-A (KR)
Title: Method for decreasing control information corresponding to modulation and coding scheme on orthogonal frequency division multiple access/frequency division duplex
Inventor: JANG IL SUN
IPC: H04B7/26
Filed: 2002-11-18
Abstract: PURPOSE: A method is provided to increase throughput of system traffic of down link in OFDMA(orthogonal frequency division multiple access)/FDD(frequency division duplex) communication system by transmitting MCS(modulation and coding scheme) related control data at a time. CONSTITUTION: A method comprises a first step of permitting a terminal to be allocated with the highest cluster group by a base station when a call is set between the terminal and a base station; a second step of permitting the terminal to check the position of the cluster having the best radio environment from among the lowest cluster group included in the cluster of the corresponding group; a third step of permitting the terminal to determine the cluster group level having a high similarity by judging the similarity of clusters of the lowest group with respect to the clusters of the group excluding the upper group including the cluster of the lowest group; a fourth step of permitting the terminal to compare radio environments of the clusters checked in the second step, and determine MCS level corresponding to the lowest radio environment; and a fifth step of permitting the terminal to transmit, to the base station, MCS related control data including the position of the cluster checked in the second step, cluster group level determined in the third step, and the MCS level determined in the fourth step.
Patent KR-20030043685-A (KR)
Title: Reduction of aberrations produced by Wien filter in a scanning electron microscope and the like
Inventor: ROUSE JOHNA
IPC: H01J37/28
Filed: 2002-11-21
Abstract: PURPOSE: A wien filter in scanning electron microscope(SEM) is provided to improve resolution of an electron beams, which is collided with an image of a sample, when the wien filter is used for detecting radiation particles easily. CONSTITUTION: A wien filter in scanning electron microscope comprises a unit for creating the beams(2) of the charged particles moving toward a target(5), a unit for controlling the beams so as to form a beam envelop line(3A) of a prescribed shape with at least one crossover point(19A,19B), and a filter(15) passing through the electron beams. The unit for controlling the beams makes the crossover point position inside the wien filter.
Patent KR-20040002367-A (KR)
Inventor: CHO JEOM SU
IPC: H01J29/76
Filed: 2002-11-25
Abstract: PURPOSE: A deflection yoke is provided to correct screen distortions and mis-convergence, while reducing parts count and manufacturing costs. CONSTITUTION: A deflection yoke comprises a coil separator for electrically insulating a horizontal deflection coil and a vertical deflection coil, a pair of horizontal deflection coils mounted on the inner surface of the coil separator, and which generate magnetic fields for deflecting electron beams in a horizontal direction, a pair of vertical deflection coils(300) mounted on the outer surface of the coil separator, and which generate magnetic fields for deflecting electron beams in a vertical direction, and a ferrite core(40) which covers a certain part of the vertical deflection coil so as to reinforce magnetic fields of the horizontal and vertical deflection coils. The vertical deflection coil has a screen side vertical radius and a screen side horizontal radius which are formed differently so as to weaken the magnetic field generated from the screen side deflection coil.
Patent KR-20030052984-A (KR)
Title: Schedule managing method in mobile communication terminal
Inventor: SUK YUN HUI
IPC: H04M1/72451
Filed: 2002-12-10
Abstract: PURPOSE: A method of managing a schedule in a mobile communication terminal is provided to proceed to a schedule setup mode by inputting one time by a shortened schedule request, and to set an elapsing time to an alarming time from a current time while setting a schedule, thereby easily setting the schedule. CONSTITUTION: A controller maintains a standby state(200), and checks whether a shortened schedule request exists(202). If so, the controller reads a schedule initial value from a memory, and displays the value on a display(204). The controller determines contents and time of a shortened schedule according to a key value(206), and checks whether an OK key is inputted(208). If so, the controller stores the inputted schedule contents in the memory(212), and drives a shortened schedule timer(214). The controller checks whether a time over signal is received(216). If so, the controller displays an alarm message read from the memory, and performs an alarming function(218). The controller checks whether a schedule confirmation key is inputted(220). If so, the controller stops the alarming function, deletes the inputted schedule, and completes a routine(222).
Patent KR-20040051419-A (KR)
Title: Method of displaying picture and liquid crystal display apparatus using the same
Inventor: HONG HYEONG GI
IPC: G02F1/1335
Filed: 2002-12-12
Abstract: PURPOSE: An image displaying method and an LCD(Liquid Crystal Display) are provided to reduce power consumption and improve the quality of motion pictures. CONSTITUTION: The phase of light emitted from a light source is controlled to transmit or block the light along a screen scanning direction. An image is displayed using light incident on a partial region of a screen. The phase of light is controlled through a step of transmitting the light while maintaining polarized characteristic of the light without delaying the phase of light, and a step of delaying the phase of light to change the polarized characteristic to block the light. The light having the changed polarized characteristic is reflected using cholesteric liquid crystal. An LCD includes an LCD panel(1), a light source for irradiating light to the LCD panel, and a shutter(2) for controlling the phase of light traveling to the LCD panel to transmit or block the light along a scanning direction of the LCD panel.
Patent KR-20040056458-A (KR)
Inventor: CHOI IN SEOP
IPC: H04B7/26
Filed: 2002-12-23
Abstract: PURPOSE: A weather information processing method of a mobile terminal is provided to transmit weather information on a specific area to a terminal when the terminal and an adjacent base station are synchronized. CONSTITUTION: A user of a mobile terminal inputs a reservation operation for informing about weather information(302). The terminal obtains weather information of a short or medium period and time information from a base station when synchronized in standby(301,303). The terminal determines whether the pre-set weather information through the reservation operation and the weather information obtained from the base station are identical(304). If the pre-set weather information and the weather information obtained from the base station are not identical, the obtained weather information is displayed on an LCD of the terminal(306).
Patent KR-20040056600-A (KR)
Title: Apparatus for disassemblying a radioactively contaminated parts used for nuclear reactor under water
Inventor: JUNG UN SU
IPC: G21F9/00
Filed: 2002-12-24
Abstract: PURPOSE: An apparatus for disassembling used components of a contaminated reactor under water is provided to recycle an uncontaminated component by disassembling a desired component within a water tank of the reactor. CONSTITUTION: An apparatus for disassembling used components of a contaminated reactor under water includes a base frame, a column, a disassembled component installation part, and a disassembled component grip part. The base frame(3) is installed on a bottom of a water tank of a reactor. The column(5) is installed at one end of the base frame. The disassembled component installation part(7) is moved to the longitudinal direction of the base frame. The disassembled component grip part(9) is moved to the longitudinal direction of the column.
Patent KR-20040057015-A (KR)
Title: Functional food for disease of adult
Inventor: CHOI JYENG HYEN
IPC: A23L33/00
Filed: 2002-12-24
Abstract: PURPOSE: A health food product comprising vegetables and cooked rice is provided. It contains sufficient nutrients necessary for good human health and is effective in preventing and treating adult diseases such as prostatomegaly, osteoporosis, obesity, hypertension or the like. CONSTITUTION: The health food product contains cooked rice and vegetables such as tomatoes, broccoli, pumpkins, carrots, onions, garlic, sesame and kelp. The cooked rice is obtained by washing rice, sweet potatoes and soybeans and then cooking.
Patent KR-20040059415-A (KR)
Inventor: HWANG SEONG BO
IPC: H01L21/8247
Filed: 2002-12-28
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to improve reliability by using a silicon germanium dot layer as a floating gate. CONSTITUTION: A silicon germanium layer with high surface roughness is formed on a silicon substrate(100). Dopants are implanted using the interface between the silicon substrate and the SiGe(Silicon Germanium) layer as a stop layer. By annealing the SiGe layer, a SiGe dot layer(112) is formed and a tunneling oxide layer(110) is simultaneously formed. Then, a control oxide layer(120) and a control gate(122) are sequentially formed on the tunneling oxide layer.
Patent KR-20040061556-A (KR)
Title: Dispersed pigment liquid for ink-jet printer
Inventor: JANG DU WON
IPC: C09D11/30
Filed: 2002-12-31
Abstract: PURPOSE: Pigment dispersion for an ink-jet printer is provided to improve dispersion stability, long-term storage stability and discharging stability. CONSTITUTION: The pigment dispersion comprises 5-10 wt% of a pigment; 0.5-1.0 wt% of a dispersant; 10-20 wt% of ethylene glycol as a moisturizing agent; 0.2-0.8 wt% of a sedimentation inhibitor; 10-20 wt% of a binder resin; and the balance of deionized water. The pigment dispersion is prepared by adding a pigment, a dispersant, ethylene glycol, a sedimentation inhibitor and a binder resin to deionized water and premixing the mixture solution by using a homogenizer with a velocity of 500-700 rpm; adding a zirconium bead or a glass bead to the mixture and dispersing it with a paint shaker; and optionally dispersing the obtained one with ball mill or dynomill.
Patent KR-20020037032-A (KR)
Title: Blocked Phenolic Silanes
IPC: C07B61/00
Filed: 2000-07-20
Abstract: The present invention is directed to acyl and carbonate blocked phenolic silanes of the general structural formula is:where RI is H, CH3 or RVO; RII is H or RVO; RIII is alkyl, phenyl or acyl from 1 to 6 carbon atoms; RIV is hydrogen, alkyl or phenyl from 1 to 6 carbon atoms; RV is a linear or branched alkyl group from 1 to 4 carbon atoms; y is an integer from 1 to 3; z is an integer from 1 to 3; x is an integer from 2 to 6 and a is an integer from 0 to 2.
Patent KR-20020092345-A (KR)
IPC: A61B5/00
Filed: 2000-03-23
Abstract: A diagnosis device which comprises a checkup signal output means such as a host computer (1) which outputs checkup signals such as light signals and sound signals to a user terminal, a user terminal (4) to which the checkup signals are inputted, a signal output means (5) such as a monitor by which a checkup sample corresponding to the checkup signal is loaded onto the user, a measuring means (6) which measures the vascular reflection of the user by sensing the loaded checkup sample, and a checker side recording means for a measured value measured by the measuring means (6), and which diagnoses the condition of the user in accordance with the change of the measured value. As the diagnosis can be practiced by the transmission/reception of signals, remote diagnosis can be practiced. Further, by the transmission of a treatment signal corresponding to the diagnosis result, remote treatment can also be practiced. <IMAGE>
Patent KR-20020097138-A (KR)
Title: 니메설라이드를 포함하는 방출 제어형 조성물
IPC: A61K47/32
Filed: 2000-09-27
Abstract: 본 발명은 활성 약물로서의 니메설라이드, 지속 물질 1종 이상, 및 약학 부형제를 포함하는, 방출 제어형 1일 1회 경구 투여형으로 제형화된, 니메설라이드의 방출 제어형 약학 조성물에 관한 것이다.
Patent KR-20020059433-A (KR)
IPC: H02J1/10
Filed: 2001-10-02
Abstract: 제1, 제2, 제3 전원 유닛(1, 2, 3)을 접속하기 위한, 교류 입력 버스라인(Vin+), (Vin-), 직류 출력 버스라인(Vo+), (Vo-) 및 커런트 밸런스 신호 버스라인(CB)이 커넥터 접속되어 모듈 전원이 구성되고, 이 모듈 전원에, 상기 버스라인을 이용하여 상기 모듈 전원에 소정의 부가기능을 부여하는 부가기능 유닛(4)을 커넥터 접속함으로써, 배선 절약적이며 또한 노이즈 내량이 큰 부가기능을 갖는 전원장치를 실현한다.
Patent KR-20020070302-A (KR)
IPC: C08F2/40
Filed: 2000-11-06
Abstract: 본 발명은 하기 A)와 B)의 혼합물의 유효량을 에틸렌형 불포화 모노머에 첨가하여 그의 미성숙 중합을 억제하는 방법에 관한 것이다: 
     A) 다음의 구조식을 갖는 하나 이상의 안정한 힌더링된 니트록실 화합물: 
     
       
     
     여기서, R 1 및 R 4 는 수소, 알킬 및 헤테로원자-치환된 알킬로 이루어진 군에서 독립적으로 선택되고, R 2 및 R 3 는 알킬 및 헤테로원자-치환된 알킬로 이루어진 군에서 독립적으로 선택되고; 및 X 1 및 X 2 은 (1) 할로겐, 시아노, COOR 7 , -S-COR 7 , -OCOR 7 (여기서, R 7 는 알킬 또는 아릴이다), 아미도, -S-C 6 H 5 , 카르보닐, 알케닐, 또는 1 내지 15개의 탄소원자를 갖는 알킬이고, 또는 (2) 질소와 함께 5원, 6원, 또는 7원의 고리 구조를 형성한다; 
     B) 오르토-퀴논, 오르토-히드로퀴논, 파라-퀴논, 파라-히드로퀴논, 및 이들의 유도체로 이루어진 군에서 선택된 하나 이상의 억제제.
Patent KR-20020070326-A (KR)
IPC: C09K19/30
Filed: 2000-12-18
Abstract: The invention relates to a liquid crystalline medium based on a mixture of polar compounds with positive dielectric anisotropy, characterized in that said medium contains one or more alkenyl compounds of the formula (I) and one or more compounds of the formula (IA) wherein R, R<SUP>1</SUP>, R<SUP>2</SUP>, ring A and ring B, L<SUP>1</SUP>, L<SUP>2</SUP>; L<SUP>3</SUP>; L<SUP>4</SUP>; X, Z<SUP>1</SUP>, Z<SUP>2</SUP>, y and z have the meanings cited in Claim 1</
Patent KR-20020071954-A (KR)
IPC: H01L29/739
Filed: 2001-09-07
Abstract: DMOS디바이스(또는 IGBT)는, SiC기판(2)과, 에피택셜층 내에 형성된 n － SiC층(3)(드리프트영역)과, 게이트 절연막(6) 및 게이트전극(7a)과, 게이트전극(7a)을 둘러싸도록 형성된 소스전극(7b)과, SiC기판(2)의 하면에 형성된 드레인전극(7c)과, p － SiC층(4)과, 소스전극(7b)의 단부 아래쪽으로부터 게이트전극(7a)의 단부 아래쪽에 걸쳐 형성된 n ＋ SiC층(3)을 구비한다.  또한 에피택셜층의 표면부 중 n ＋ SiC층(5)이 형성된 부분을 제외하는 영역에, 고농도 질소를 함유하는 n형 도핑층(10a)과, 비도핑층(10b)을 적층시켜 구성된다.  양자효과를 이용하여 온 저항의 저감과, 오프 시 내압의 향상이 얻어진다.
Patent KR-20020080432-A (KR)
IPC: F15B15/10
Filed: 2001-02-10
Abstract: A fluid power operable actuating device, which possesses a flexible contractible tube extending between two spaced head pieces, such flexible contractible tube being caused to expand radially when its inner space is subjected to fluid pressure and transmitting simultaneously axial forces, due to contraction, to the head pieces. The flexible contractible tube comprises an elastically deforming flexible tube body which has a special geometrical shape having a cross sectional outline on the inner periphery and/or the outer periphery of the flexible tube body which is non-circular and/or is in the form of several portions of the body of the flexible tube with properties of the material of the flexible tube body which are different from one another.
Patent KR-20020089367-A (KR)
Title: 인쇄회로상에 본드 패드를 형성하는 방법
IPC: H01L21/48
Filed: 2001-12-20
Abstract: 본 발명은 본드 패드 (8) 의 물질이 크롬 코팅 (4) 에 의해 완전히 제한된 영역에 존재하도록 크롬 코팅 (4) 을 형성하는 방법에 관한 것이다.     본 발명은 전자부품용 본드패드에 이용가능하다.
Patent KR-20020080004-A (KR)
Title: 강유전체형 불휘발성 반도체 메모리 및 그 구동방법
IPC: H01L21/8246
Filed: 2002-01-17
Abstract: 본 발명은, 비트선과, 선택용 트랜지스터와, M개의 메모리셀로 구성된 서브 메모리 유닛과, M개의 플레이트선과, 비트선에 접속된 센스앰프로 이루어지는 메모리 유닛으로 구성되고, 각 메모리셀은, 제1 전극과 강유전체층과 제2 전극으로 이루어지고, 서브 메모리 유닛을 구성하는 메모리셀의 제1 전극은, 서브 메모리 유닛에 있어서 공통이며, 상기 공통의 제1 전극은, 선택용 트랜지스터를 통하여 비트선에 접속되며, 제2 전극은 플레이트선에 접속되는 강유전체형 불휘발성 반도체 메모리의 구동방법에서는, 외부로부터 지정된 지정어드레스의 메모리셀에 기억된 데이터를 판독하고, 센스앰프에 래치한 후, 센스앰프에 래치된 상기 데이터를 출력한다.
Patent KR-20020087941-A (KR)
IPC: H04L27/06
Filed: 2001-12-19
Abstract: There is disclosed an improved system and method for providing frequency domain synchronization for a single carrier signal such as a vestigial sideband signal. The system comprises a synchronization circuit that is capable of obtaining a coarse frequency estimate of the single carrier signal and a fine frequency estimate of the single carrier signal. The system also comprises a three state machine for obtaining an accurate frequency estimate from three separately obtained frequency estimates. The system also comprises a DC estimator circuit that is capable of providing a time domain DC estimate. The system provides a pilot carrier recovery circuit for single carrier signals that has a linear transfer function.
Patent KR-20030047882-A (KR)
IPC: B01J20/02
Filed: 2001-05-29
Abstract: 아연 옥사이드, 팽창된 펄라이트 및 알루미나를 함유하는 흡착제 조성물을 니켈 및/또는 코발트와 같은 촉진제 금속으로 함침시킨 다음, 촉진제 금속의 원자가를 감소시켜 제조된, 분해-가솔린 및 디젤 연료로부터 황 및 하이드로겐 설파이드, 카보닐 설파이드 및 머캅탄과 같은 황 화합물의 제거용 흡착제 조성물. 흡착제 조성물을 형성하는 데 있어 제분된 팽창 펄라이트의 사용은 아연 옥사이드 함량 및 결합제 함량을 조정할 수 있어 내마모성 흡착제를 제공하고, 흡착제의 유효 수명을 연장하는 서포트를 초래한다.
Patent KR-20030001479-A (KR)
IPC: C09D7/63
Filed: 2001-04-30
Abstract: 본 발명은 대전방지성이 있고 가공 동안 황변을 나타내지 않는, 퍼플루오로알킬술폰산의 특정 4급 암모늄 염 및 열가소성 플라스틱으로부터 제조된 성형 재료에 관한 것이다.
Patent KR-20030072212-A (KR)
IPC: H01F1/113
Filed: 2002-02-06
Abstract: 본 발명은 페라이트 자석분말, 및 그 제조방법에 관한 것이다.  본 발명에 의하면, Sr, Ba, Pb 또는 Ca의 일부를, Y를 포함하는 희토류원소와 Bi에서 선택되는 적어도 1종류임과 동시에 반드시 La를 포함하는 원소로 치환한, 육방정의 M형마그네트 플럼바이트 구조를 가지는 페라이트에 대하여, 미분쇄시에 Co, Ni, Mn, 및 Zn으로 되는 군에서 선택되는 적어도 1종의 원소를 첨가하고, 다시 가소 및/또는 소결하는 페라이트 자석이다.  이미 육방정의 M형 마그네트 플럼바이트 구조를 가지는 페라이트에 대하여, 미분쇄시 첨가하는 것으로, 적은 양의 Co, Ni, Mn, Zn 등의 원소의 첨가량으로 자기특성의 향상을 모도할 수 있게 된다.
Patent KR-20030003745-A (KR)
Title: Optical device with chip level precision alignment
IPC: G02B6/24
Filed: 2001-05-23
Abstract: Optical packages and a method of fabricating same, wherein an active optical device can be located relative to a substrate and coupler. The structure includes a substrate having electrical contact pads and alignment pads with precision aligned through-holes for at least one optical fiber. The optical fibers are supported by a housing, or coupler, having alignment pins that are precision located relative to the through-holes in the substrate and the optical fiber. A die, or active optical device, with one or more active optical elements on a first die surface and electrical contacts on a second die surface, is aligned with the electrical pads of the substrate and the active optical elements. The method incorporates the steps of grinding alignment pins into metallic pads and grinding optical fibers in one pass and then aligning the active optical device and the optical fibers by using the surface tension of conductive adhesive liquid. The fibers are then bonded.
Patent KR-20030010651-A (KR)
IPC: C04B35/00
Filed: 2001-05-28
Abstract: 본 발명은 내열 플래이트와 그 제조 방법에 관한 것으로서, 본 발명에 따른 내열 플래이트는 특히 용해된 액상 금속의 유량 조절 시스템에 사용되며 2개 이상의 영역, 즉 
     - 액상 금속이 통과할 수 있는 캐스팅 홀(3)을 하나 이상 구비하고, 특히 액상 금속이 상기 캐스팅 홀(3)을 통해 흐르면서 닿는 부분에 작용하는 외력을 견뎌낼 수 있도록 선택된 성분을 가지고 있는 적어도 하나 이상의 통과 영역(1)과, 
     - 특히 액상 금속의 흐름을 차단하는데 쓰이며 상기 통과영역(1)을 구성하는 성분과는 달리 액상금속의 흐름을 차단시켰을 때 해당 액상금속의 압박으로 발생하는 열충격을 견뎌낼 수 있는 성분으로 구성된 유량을 멈추고 조절하는 하나의 조작영역(2)으로 구성되며, 
     상기 영역들은 각각 플래이트의 전체 두께로 연장되고, 상기 통과영역(1)과 조작영역(2) 사이의 접합은 영역에 따라 미리 틀에 주입되는 혼합물들 즉, 하나 혹은 다수의 통과영역(1)을 구성하는 혼합물과 조작영역(2)을 구성하는 다른 혼합물을 동일 틀내에서 동시 프레싱하여 형성되며, 상기 동시 프레싱이 행해진 이후에는 열처리 강화 작업이 실행되는 것을 특징으로 한다.
Patent KR-20030011924-A (KR)
IPC: G11C16/06
Filed: 2002-04-12
Abstract: 본 발명은 마이크로프로세서(74), 데이터를 플래시 메모리 디바이스(71) 내부로 기록하기 위한 데이터 버스(75), 데이터를 상기 플래시 메모리 디바이스(71)로부터 판독하기 위한 데이터 버스(75)를 포함하는 시스템(70)에 관한 것이다. 상기 플래시 메모리 디바이스(71)는 오차 보정 인코더(72)와, 플래시 메모리(71)와, 오차 보정 디코더(73)와, 상기 오차 보정 인코더(72)와, 상기 플래시 메모리(71)와, 상기 오차 보정 디코더(73)를 상호접속하는 플래시 데이터 버스(75)를 포함한다. 데이터는, 상기 오차 보정 인코더(72)에 의해 처리될 시에, 상태 워드(51), 데이터 워드(52), 용장 워드(53)를 포함하는 워드로 변환된다.
Patent KR-20030031007-A (KR)
Title: Adaptive transmission channel allocation method and system for ISM and unlicensed frequency bands
IPC: H04L12/56
Filed: 2001-06-07
Abstract: A method and system for establishing a connection link between a master device and a plurality of slave devices in a communications network having a plurality of frequency channels within a radio frequency band known as the unlicensed ISM band, wherein the connection links between the master device and the slave devices are capable of being carried out in a frequency-hopping fashion. The method comprises the steps of sending a link request to the master device requesting establishment of a non-frequency-hopping connection link between the master device and a slave device; establishing the non-frequency-hopping connection link as requested if the master device is able to select a communication channel for such a connection link; and establishing or maintaining the connection link in the frequency-hopping fashion if the master device is unable to select such a communication channel. In order to establish the non-frequency-hopping connection link, channel conditions including the carrier power of the channel and the interference and noise levels adversely affecting the connection link are measured.
Patent KR-20040063032-A (KR)
Inventor: CHO IN SU
IPC: H01J17/28
Filed: 2003-01-04
Abstract: PURPOSE: A dual type heat sink and a plasma display panel assembly are provided to achieve improved efficiency of heat release by quickly releasing the heat generated from electronic components through first and second heater sinks. CONSTITUTION: A dual type heat sink(30) comprises a first heater sink(31) including a first fixing plate(32) and a plurality of first heat radiation plates(33) spaced apart from the first fixing plate in a horizontal direction; a second heater sink(310) including a second fixing plate(320) and a plurality of second heat radiation plates(330) spaced apart from the second fixing plate in a horizontal direction; and a connection member(350) arranged at the lower end of the first or second heater sink, wherein the connection member solders the first and second heater sinks onto a substrate.