baber/WOPTO huggingface dataset:
Patent KR-20060104637-A (KR)
Inventor: SHIN YONG HO
IPC: H04B10/29
Filed: 2005-03-31
Abstract: 본 발명은 기지국의 신호를 증폭 및 중계하기 위한 인빌딩 서비스용 무선 중계 장치를 제시하기 위한 것으로, 기지국으로부터 인가되는 전기적 신호를 광 신호로 변환하여 출력하거나, 마스터 리모트로부터 입력되는 광 신호를 전기적 신호로 변환하여 기지국으로 전송하는 도너, 도너로부터 수신한 광 신호를 전기적 신호로 변환하여 3개의 신호로 분할한 후 안테나, 슬래이브 리모트 및 타 마스터 리모트로 각각 출력하기 위한 마스터 리모트 및 마스터 리모트로부터 수신한 전기적 신호를 안테나를 통해 출력하기 위한 슬래이브 리모트를 포함하여, 무선 중계 장치의 제조 단가를 저감시킬 수 있고, 저렴한 비용으로 리모트의 개수를 확장할 수 있으며, 무선 중계 장치의 구성, 설치 및 운용이 용이하게 된다. 
       
     인빌딩, 광중계, 도너, 리모트
Patent KR-20060111177-A (KR)
Title: Ceiling ground gypsum board
Inventor: JUNG YOUNG KI
IPC: E04B9/04
Filed: 2005-04-22
Abstract: A plaster board for the ceiling is provided to prevent the formation of poisonous gas in a fire and to prevent sick house syndrome by manufacturing a plaster board panel with plaster and eco-friendly thread, and to be strong and to prevent the transfer of noise from the upper story by attaching molded plaster on inclines between plaster board panels. A plaster board for the ceiling comprises the steps of manufacturing a plaster board panel(10) by molding plaster and thread, forming many holes(11) on the plaster board panel to project a bundle of the thread, connecting one end of a bundle of synthetic thread(30) to a bundle of the projected thread, connecting a ring type screw(40) to the other end of a bundle of synthetic thread and fixing to the ceiling. Hereon the plaster board panel is provided with an incline and connected with adjacent plaster board panel by pouring molded plaster between inclines of the plaster board panels.
Patent KR-20060066028-A (KR)
Inventor: YU CHANG WAHN
IPC: H04B7/26
Filed: 2005-04-27
Abstract: 본 발명은 직교 주파수 분할 다중 접속(OFDMA) 방식의 셀룰러 시스템의 하향링크에 적합한 프리앰블을 사용하여 셀 탐색을 수행하는 장치 및 방법에 관한 것이다.  본 발명에 따른 셀 탐색 장치는, 직교주파수 분할 다중 접속 방식을 사용하는 셀룰러 시스템의 단말기 내의 셀 탐색 장치에 있어서, 기지국으로부터 단말기로 프리앰블 심벌이 수신되는 경우, 수신 프리앰블 심벌과 PN 및 Walsh의 조합으로 구성된 코드를 발생하고, 상기 코드에 대해 차등 복조를 사용한 상관 계산을 수행하여 상기 PN 코드 및 다수의 Walsh 코드들과 시간지연 오차를 검출하며, 상기 시간지연에 대한 위상지연 성분을 추정하는 PN 코드 및 위상지연 추정부; 및 상기 PN 코드 및 위상지연 추정부의 차등 복조에서 측정한 위상지연 및 PN 코드 정보를 사용하여 시간 오차의 영향을 최소화하고, 동기 복조를 수행하여 해당 셀의 Walsh 코드를 추정하는 Walsh 코드 추정부를 포함한다.  본 발명에 따르면, PN 코드 및 Walsh 코드의 조합을 사용한 셀룰러 OFDMA 방식의 단말기의 셀 탐색시, 초기 동기로 인한 시간 동기 오차에 상관없이 순차적으로 PN 및 Walsh 코드의 조합으로 구성된 셀을 효율적으로 탐색할 수 있고, 이에 따라 셀 탐색의 성능을 향상시킬 수 있다. 
       
     셀 탐색, PN 코드, Walsh 코드, OFDMA, 단말기
Patent KR-20060113036-A (KR)
Title: Ear phone plug and ear phone plug connector
Inventor: LEE JUN HEEE
IPC: H01R24/38
Filed: 2005-04-29
Abstract: An earphone plug and an earphone plug connection device are provided to inhibit the generation of a pop-up noise due to the interference between terminals. A jack sense terminal(110) senses connection of an earphone plug. A microphone terminal(120) senses the contact related to the microphone contact terminal of the earphone plug. A ground terminal(130) performs the power grounding. Left and right terminals(150) sense the contact on the left and right contact terminals and provide the sound. The microphone terminal is formed at the right side of the inlet of a PCB(Printed Circuit Board)(160). The jack sense terminal is formed at the left side of the inlet of the PCB. The ground terminal(130) is arranged at the center of the PCB. The left and right terminals are arranged at the most inside of the PCB.
Patent KR-20060113219-A (KR)
Title: Organic electroluminescence display device
Inventor: MOON JI YOUNG
IPC: H05B33/00
Filed: 2005-04-30
Abstract: An organic EL display device is provided to increase a light emitting area of a unit pixel by electrically coupling anode and cathode electrodes with a semiconductor substrate having a pixel driver. An organic EL(Electro-Luminescence) display device includes an organic light emitting display element(OLED) and a pixel driver(101). The organic light emitting display element includes a light emitting region and a pad, which is connected to the light emitting region. The pixel driver is formed on a single crystal silicon substrate and includes a pixel driving circuit, which drives the organic light emitting display element. The pixel driver is electrically connected to the pad of the organic light emitting display element. The organic light emitting display element has a rear-side illumination structure.
Patent KR-20060114567-A (KR)
Title: Expended metal lath having crossed reinforcement and connecting structure thereof
Inventor: LEE YO SUB
IPC: E04B2/86
Filed: 2005-05-02
Abstract: An expanded metal lath with a crossed reinforcing member and a connection structure thereof are provided to cut down construction period and construction cost by simplifying assembling structure of the reinforcing member, and to improve assembling force by checking arrangement and pouring state of concrete. An expanded metal lath(1) comprises a lath(10) having a mesh part(11) formed by extending plural cutting lines in a steel plate and a rib part(12) formed by bending parts excluding the cutting lines, and plural channel bars(20) vertically combined with the rib part and arranged at regular intervals. A couple of assembling pieces(22,22') are formed in the channel bar by cutting the channel bar corresponding to the rib parts, and bent to the rib parts to combine the channel bar with the rib parts. A dust net is combined with the lath and mounted between the lath and the channel bar.
Patent KR-20060117499-A (KR)
Title: Jet fan for tunnel
Inventor: SEOL YONG WAN
IPC: E21F1/08
Filed: 2005-05-11
Abstract: A jet fan for a tunnel is provided to heighten ventilation efficiency for a tunnel by discharging polluted air at the appointed angle using a jet fan, to prevent accidents by exhausting flames, smoke and gas quickly and effectively and securing visibility range of drivers in a fire, to reduce energy or installation expense by increasing ventilation efficiency in a tunnel under the same condition and to prevent the accidental fall of a jet fan by keeping an anchor not to fall out from the ceiling. A jet fan for a tunnel(10) comprises many anchors installed to the ceiling of a tunnel(T) to make a joint of anchors exposed outward, a pair of roller guides fixed to the ceiling of the tunnel at regular intervals using many anchors and composed of a median strip and rails, a pair of jet fan installation frames placed perpendicular to a pair of roller guides and equipped with roller brackets having one or more rollers to attach to a pair of roller guides to be movable, and a jet fan installed to a pair of jet fan installation frames in the longitudinal direction of the tunnel and provided air inlet/outlet.
Patent KR-20060116973-A (KR)
Title: Construction to sound insulation of floor impact noise
Inventor: KIM IN BAE
IPC: E04F15/20
Filed: 2005-05-12
Abstract: An interlayer sound insulating structure is provided to reduce lightweight impact sound and heavy-weight impact sound and to cut down on construction expenses by forming projections on a silent block layer and diffused-reflecting impact energy in various angles. An interlayer sound insulating structure(A) comprises: a lower PE layer(10) formed on the upper part of a floor slab; a damping layer(20) made of PVC, EVA, EPDM, RUBBER or butyl based materials and formed on the upper part of the PE layer; a shock absorbing layer(30) made of soft EPS, EPP, EVA or PE and formed on the damping layer; a silent block layer(40) made of EPS or EPP and composed of many silent blocks(41) to couple with each other, setting grooves(42) to fix projections(50) made of EPS, EPP, EVA or PE and pipeline fixing grooves(44) to couple fixing clips coupled with a heating pipeline(60); and a mortar layer(70) and a floor decorative layer(80) formed on the upper part after coupling the heating pipeline.
Patent KR-20060118156-A (KR)
Title: Multi-layered graft copolymer and method for preparing thereof
Inventor: O HYUN TAEK
IPC: C08F265/06
Filed: 2005-05-16
Abstract: Provided are a multi-layered graft copolymer that is superior in compatibility with matrix and physical properties including weatherability, impact resistance, tensile strength, etc, and is remarkably improved in a coloring property, and a preparation thereof. The multi-layered graft copolymer comprises: (a) a seed formed of a copolymer polymerized from 1-25 parts by weight of seed-forming monomers including a vinyl cyano compound and an alkyl methacrylate monomer; (b) a soft core layer formed of a copolymer polymerized from 20-70 parts by weight of an alkyl acrylate monomer, 0.01-0.5 parts by weight of a crosslinking agent, and 0.01-0.5 parts by weight of a grafting agent; (c) a first graft shell layer formed of a (co)polymer polymerized from 7-40 parts by weight of an alkyl methacrylate monomer; and (d) a second graft shell layer formed of a copolymer polymerized from 5-30 parts by weight of an aromatic vinyl compound and 2-25 parts by weight of a vinyl cyano compound.
Patent KR-20050055665-A (KR)
Title: 과일나무/가로수나무/열대과일나무/열대나무/각종꽃나무/각종나무 우성교배/유사품종우성교배/잔가지치기자르기신품종/우성 육성/재배·방법.
Inventor: KIM KI OK
IPC: A01G1/00
Filed: 2005-05-18
Abstract: 1.①한국·홍옥·부사·사과나무 ②포도알이굵은·신맛·단맛 한국거봉 적·청/적/청·포도나무 ③한국천도·백·복숭아·나무 ④한국·천도복숭아/백복숭아·자두·나무 ⑤백복숭아·매실·나무 ⑥우성교배/잔가지치기·슈퍼·배/호도/밤/감·나무 ⑦우성교배/잔가지치기·슈퍼·파인애플/야자열매/키위·나무 ⑧우성교배/잔가지치기·슈퍼·한국소나무 ⑨우성교배/잔가지치기·슈퍼·한국소나무·외국소나무/낙송 ⑩우성교배/잔가지치기 느티·단풍·나무 ⑪우성교배/잔가지치기 슈퍼·각종과일나무 및 무궁화/라일락/철쭉/각종·꽃나무 및 각종가로수 및 각종나무 과일나무/가로수나무/열대과일나무/각종꽃나무/각종나무/열대나무 우성교배/유사품종우성교배/잔가지치기자르기 신품종/우성 육성/재배·방법(1,도1)
Patent KR-20060120744-A (KR)
Title: Device for detaching viscera/arm of squid
Inventor: KIM HEUNG DAI
IPC: A22C25/00
Filed: 2005-05-23
Abstract: Provided is a device for detaching squid's viscera/arm by using a wide slot and a narrow slot, thereby precisely detaching the squid's viscera and arm from the squid's mantle. A viscera/arm cutting plate(10) is equipped with a cutting slot. The cutting slot has a wide slot passing through squid's viscera(2A) and arm(2B) and a narrow slot formed in a narrow space for cutting the squid's viscera and arm. A squid transfer unit(20) moves the squid from an upper portion to a lower portion in a state of folding the squid by the viscera/arm cutting plate. A viscera collecting unit(30) is installed on a lower portion of the viscera/arm cutting plate for collecting the squid's viscera separated from the squid's arm, and has a viscera input port, a separating slot, and a transfer unit(33).
Patent KR-20060122100-A (KR)
Title: Cord reel
Inventor: HA GUN HO
IPC: H02G11/02
Filed: 2005-05-25
Abstract: A cord reel is provided to wind a cable on a reel slowly by comprising a reel, a reel elastic unit, and a reel decelerating unit. In a cord reel, a reel(60) is rotatably mounted on a reel housing(50). A cable is wound on the reel(60). A reel elastic member rotates the reel(60) for the cable to be wound. A reel decelerating member applies a friction force to the reel(60) when the reel rotates.
Patent KR-20060122415-A (KR)
Title: Projector
Inventor: WOO SUNG JE
IPC: G03B21/00
Filed: 2005-05-27
Abstract: A projector is provided to absorb and shield light unnecessary for image reproduction by an aperture unit made of SUS or copper(Cu) and of which a surface is treated with a black matted. In a projector, a light optical system(130) illuminates a light emitted from a light resource(103). An image reproduction unit(110) reproduces a light necessary for producing an image from the light emitted from the lighting optical system. An aperture unit(151) is mounted on the image reproduction unit, wherein an opening is formed on a central part of the aperture unit and a light shield unit is formed around the opening. And, a transmission unit(170) transmits the reproduced image through the image reproduction unit.
Patent KR-20060122556-A (KR)
Title: Semiconductor apparatus capable of removing particles
Inventor: LEE UI BANG
IPC: H01L21/027
Filed: 2005-05-27
Abstract: A semiconductor apparatus capable of removing impurity is provided to prevent defocusing and to reduce processing time by using magnetic force in order to remove metallic impurity from a wafer. An impurity removing apparatus(110) is located in an interface between a first processing apparatus and a second processing apparatus. The impurity removing apparatus removes a metallic impurity of a rear surface of a wafer by using magnetic force. The impurity removing apparatus includes a magnet(11) and a driving unit(20). The magnet scans the whole rear surface of the wafer. The driving unit moves the magnet to scan the wafer. The driving unit includes a motor(24), a first gear(21), a second gear, a belt(22), and a holder(23). The first gear is connected to the motor to rotate. The second gear is separated from the first gear as a diameter of the wafer. The belt is connected to the first and second gears and rotates as the first gear rotates. The holder is attached to the belt and fixes the magnet.
Patent KR-20060131283-A (KR)
Title: Rotor for flux barrier type synchronous reluctance motor
Inventor: LEE KYUNG HOON
IPC: H02K1/28
Filed: 2005-06-15
Abstract: A rotor for a flux barrier type synchronous reluctance motor is provided to obtain relatively high connection strength and prevent deterioration of performance by not generating magnetic saturation. In a rotor for a flux barrier type synchronous reluctance motor, an axis hole(123,143) is penetrated so that a rotating axis(111) is connected. A core steel plate laminate(121) is laminated by a plurality of flux barrier groups(124) and core steel plates(122). The plurality of flux barrier groups(124) is separately arranged along the circumferential direction, and has a plurality of flux barriers(125a-125c) which is separated along a radius direction and the central part is protruded toward the center of the axis hole(123,143). The core steel plates(122) have connection holes(127,147) penetrating between two flux barrier groups(124) adjacently arranged along the circumferential direction. A connection member(131) is connected by penetrating the connection holes(127,147).
Patent KR-20060134457-A (KR)
Title: Unit for driving liquid crystal display device and method for driving the same
Inventor: KIM SEONG GYUN
IPC: G09G3/36
Filed: 2005-06-22
Abstract: A method and an apparatus for driving a liquid crystal display(LCD) device are provided to prevent the LCD device from erroneously operating by lowering the operation speed by decreasing the frequency of a clock signal. An apparatus for driving a liquid crystal display device includes a storage(240) and a timing controller(210). The storage stores data having bits, whose number corresponds to the bandwidth of the storage. The timing controller rearranges input image data from the outside corresponding to the bandwidth of the memory and stores the rearranged result on the memory. The timing controller rearranges image data, which is read from the memory, to recover the initial bit number and processes the recovered image data. The timing controller includes a data arranging unit and a memory interface. The memory interface delivers the image data between the data arranging unit and the storage.
Patent KR-20070003362-A (KR)
Title: A structure of projection television
Inventor: KIM KEE YONG
IPC: H04N5/74
Filed: 2005-07-01
Abstract: A structure for a projection TV is provided to reduce the bulk of the projection TV by transmitting an image signal outputted from an engine to a screen by a wire. A light absorbing device converts an image outputted from an engine into an optical signal. A wired transmission body(40) transmits the optical signal inputted through the light absorbing device by a wire. A light transmitting device irradiates the optical signal of the wired transmission body(40) to a screen according to pixels.
Patent KR-20070004308-A (KR)
Title: Method for service goods information providing based on the location of mobile communication terminal
Inventor: SOHN SUNG CHUL
IPC: H04W4/02
Filed: 2005-07-04
Abstract: A product information service method based on a position of a mobile communication terminal is provided to be capable of perceiving the current position of a mobile communication terminal, and of servicing information about goods within a floor where a customer is currently positioned, according to the customer's purchase patterns on the basis of the perceived position, thus required product information can be offered to the customer. A PAN(Personal Area Network) coordinator delivers a beacon signal which includes self ID information(S10), and a mobile communication terminal entering a jurisdictional area of the coordinator receives the beacon signal(S12). The terminal extracts the ID information(S14), and transmits an entrance notify message which includes the ID information of the coordinator and self ID information to a district management server(S16). The server perceives a position where the terminal enters(S18), and delivers the ID information on the terminal to a product information service server(S20). The product information service server searches all of product information to be provided from the position(S22), and perceives purchase patterns of a terminal user(S24), then extracts product information to be provided to the user(S26). The extracted product information is included in a product information service message, and the message is sent to the terminal(S28).
Patent KR-20070008161-A (KR)
Title: Apparatus for alarming end of run of the dual cassette and the controlling method thereof
Inventor: BAE SEUNG JOON
IPC: H01L21/68
Filed: 2005-07-13
Abstract: An apparatus for alarming an end of a dual cassette run and a controlling method thereof are provided to clearly classify a completed cassette by turning on a lamp and generating buzzer sound at the same time upon finishing a running work. Wafers are respectively mounted on a first cassette(10a) and a second cassette(10b). A first sensor(20a) and a second sensor(20b) detect whether or not the wafers are mounted on the first and second cassettes. A first buzzer sound generating unit(30a) and a second buzzer sound generating unit(30b) are mounted on the first and second cassettes to generate buzzer sound by detecting signals from the respective sensors. A first lighting unit(40a) and a second lighting unit(40b) are simultaneously lightened with each buzzer sound of the first and second cassettes. A controlling unit(50) controls a function of the respective units.
Patent KR-20070020988-A (KR)
IPC: A61H19/00
Filed: 2005-08-17
Abstract: 본 발명은 부인과 질환의 치료장치에 관한 것으로서, 
     중공형의 삽입프레임(1100)과; 상기 삽입프레임(1100)의 선단부에 설치되어 있는 것으로, 내부에 치료약제 담체 수용부(1290)가 형성되어 있고 선단에는 캡표면 훈증약제 배출공(1230)이 형성되어 있는 치료봉 캡(1200)과; 상기 삽입프레임(1100)에 내장된 히터(1600)와; 상기 삽입프레임(1100)에 내장되는 에어분사수단(1800)과; 상기 삽입프레임(1100)과 치료봉 캡(1200)에 형성된 에어배기통로(1110)와; 상기 삽입프레임(1100)의 중공 내부에 설치된 진동모터(1700)를 포함하는 치료봉(1000)과, 쑥추출액 담체(2110)의 둘레에 약제추출액이 내장되어 있는 약제추출액 흠침포(2120)와, 약제추출액 흠침포(2120)의 일부 표면에 도포된 점착제로 구성되어 있는 약제패드(2100)와; 상기 약제패드(2100)의 상면에 배치되는 것으로 히터를 내장하고 있는 스팀패드(2200)와; 상기 스팀패드(2200)에 전기적으로 연결되는 전원단자(2300)를 포함하는 전자 뜸 치료기(2000)와, 중ㆍ저주파치료기(3000) 또는 음악치료기(4000) 어느 하나 이상이 부가적으로 설치되며, 제어기 본체(5000)에 의해 상호 연결되는 것을 특징으로 하므로, 
     부인과 질환의 치료약제를 흠침한 치료약제 담체를 치료봉에 장착하여 여성의 질내에 삽입하고, 적절히 공급함으로써 직접 환부에 적용할 수 있기 때문에 다양한 병증를 정확하고 구체적으로 치료할 수 있으며, 히터가 내장되어 있어 치료약제 담체를 훈증시키고 여성의 하복부 내부에 열을 가해 비정상적인 세포조직과 냉 증으로 인한 손상을 치료하는 등 온열치료를 효과적으로 수행할 수 있고, 또한, 진동모터가 내장되어 있어 마사지 치료와 성기능장애 치료를 수행할 수 있으며, 진동모터에 연결된 에어분사팬에 의해 훈증된 치료약제증기를 환부에 효과적으로 공급할 수 있고, 전자뜸치료기가 부수적으로 포함되어 있어 다양한 경혈위치에 뜸치료를 할 수 있으며, 온열과 약제로 부인과 질환 치료와 부인과 질환의 주요 인자인 하복부 냉증과 복부비만의 치료를 병행할 수 있고, 중ㆍ저주파치료기를 구비하여 적절한 주파수로 근육을 자극함으로써, 부인과 질환과 성인병의 주요 인자인 피하지방과 내장지방을 분해하여 복부비만치료기능을 수행하며 몸속의 노폐물과 독소를 배출하는 기능을 수행할 수 있고, 프로그램된 명상음악, 파동음악, 호흡조절음악 등의 기능성 음악을 유선 또는 무선헤드폰을 통해 청취하도록 하여 부인과 질환의 주요 인자인 스트레스와 화병 등을 치료할 수 있다.
Patent KR-20070023063-A (KR)
IPC: G01P15/00
Filed: 2005-08-23
Abstract: 본 발명은 노이즈 등과 같은 외부 환경으로부터의 영향을 최소화하고 캐패시터의 변화값을 직접 측정하는 방식을 택하여 가속도 변화값을 정확히 측정할 수 있는 동작 인식 회로에 관한 것으로서,  
     본 발명에 따른 동작 인식 회로는 제 1 캐패시터를 포함하며 가속도 변화에 따라 상기 제 1 캐패시터의 용량이 가변하는 가속도 센서와, 상기 가속도 센서의 제 1 캐패시터의 용량 변화에 따라 그에 상응하는 교류 전류를 발생시키는 측정 발진기와, 소정의 기준 교류 전류를 발생시키는 기준 발진기와, 상기 측정 발진기의 교류 전류와 상기 기준 발진기의 기준 교류 전류를 입력받아 두 교류 전류의 주파수 차이를 검출하고 주파수 차이만큼의 전압을 출력하는 위상 검출기와, 상기 위상 검출기로부터 출력되는 전압을 직류 전압으로 변환시키는 루프 필터와, 상기 루프 필터와 전기적으로 연결되어 상기 루프 필터로부터 인가되는 직류 전압에 의해 가변되는 제 2 캐패시터를 내장하는 버랙터를 포함하여 이루어지는 것을 특징으로 한다.  
       
     동작, 인식, 캐패시터, 가속도, 위상고정루프
Patent KR-20070024107-A (KR)
Title: Method and apparatus for playing the wireless communication data without stop
Inventor: LEE DEOK JOO
IPC: H04B1/40
Filed: 2005-08-26
Abstract: A method and an apparatus for continuously reproducing wireless communication data without stop are provided to successively reproduce or check wireless communication data without stop even in an area incapable of receiving wireless communication data. A receiving unit, which includes an antenna(10) and a signal separating unit(20), repeatedly receives the same wireless communication data at certain time intervals. A storage unit(40) stores the first wireless communication data among the repeatedly received wireless communication data. A reproducing unit(60) reproduces the second wireless communication data among the repeatedly received wireless communication data. A controller(30) controls to continuously reproduce the wireless communication data by using the first wireless communication data stored in the storage unit(40) based on a reception state of the second wireless communication data.
Patent KR-20070003498-A (KR)
Title: Apparatus for transmit/receive antenna switch in tdd wireless communication system
Inventor: AN YOUNG JIN
IPC: H04B1/44
Filed: 2005-08-30
Abstract: A transceiving antenna switching device in a TDD(Time Division Duplex) wireless communication system is provided to protect an LNA(Low Noise Amplifier) in transmission mode by supporting high isolation between transceiving paths, and to realize a separation function of transceiving paths by using a low-power RF(Radio Frequency) switch, thereby reducing a manufacturing cost of a TRAS(Transmit/Receive Antenna Switch) module. A circulator(352) delivers a signal received from a PA(Power Amplifier)(320) to an antenna feed line, and delivers a signal received from the antenna feed line to a reflector(354). The reflector(354) reflects the signal received from the circulator(352) by making a reflection operation turn on in case of a transmission mode, and delivers the signal of the circulator(352) to an RF switch(356) by making the reflection operation turn off in case of a receiving mode. The RF switch(356) delivers or does not deliver the signal received from the reflector(354) to an LNA according to the transmission/receiving modes.
Patent KR-20070024926-A (KR)
Title: Plasma display panel with hetero-dieletric layer and method of fabricating the same
Inventor: KIM BO HYUN
IPC: H01J11/38
Filed: 2005-08-31
Abstract: A plasma display panel with a hetero-dielectric layer and a manufacturing method thereof are provided to reduce a discharge voltage by forming a high-permittivity dielectric layer on a portion in which a surface discharge starts. A plasma display panel includes a substrate(10), sustain electrodes(11) formed on the substrate and spaced apart from each other, bus electrodes(12) formed on the sustain electrodes, and a dielectric layer formed on the sustain electrodes and the bus electrodes. The dielectric layer has a high-permittivity dielectric layer(14) formed to cover the substrate and a portion of the sustain electrodes, and a low-permittivity dielectric layer(13) formed on a portion on which the high-permittivity dielectric layer is not formed.