baber/WOPTO huggingface dataset:
Patent KR-20070117230-A (KR)
Title: A gas cylinder
Inventor: KIM KWANG YANG
IPC: A47C3/30
Filed: 2006-06-07
Abstract: A gas cylinder is provided to have a function of returning to a predetermined height automatically without the need to adjust the height of a chair directly, and to have strong durability. A gas cylinder includes a spindle(113), a cylinder(117), a piston member, a valve member(150), an ascending member, first and second return members and an erosion preventing portion. The spindle does a vertical reciprocating motion according to the adjustment of the height. The cylinder is mounted inside the spindle and gas is filled into the cylinder. The piston member divides the inside of the cylinder vertically. The ascending member is installed on the piston member or the valve member, and makes the spindle return to its original position automatically when the load given to the spindle is removed.
Patent KR-20070005476-A (KR)
Title: Marine craft
Inventor: BUDER INGO
IPC: B63G8/00
Filed: 2006-06-26
Abstract: A marine craft is provided to reduce the size and the weight of a power switch by using a vacuum switch with a rectifier, and to extend the life span of the vacuum switch by reducing power loss and load of the switch. A submarine includes direct current sources(1,2,3), electric apparatuses(4,5) such as a battery, a fuel cell, a motor or a circuit board, and a power switch(6) formed between the direct current sources and the electric apparatuses. The power switch is formed of a vacuum switch including a rectifier, and the vacuum switch is provided with a cylindrical housing. The gap between switching contacts is changed along a longitudinal axis of the housing, and the rectifier is arranged outside the housing. The rectifier has a rectifying switching circuit and a control unit arranged in parallel with the vacuum switch and provided with a switch and an electric charge carrier. The electric charge carrier is connected to the vacuum switch in parallel by driving the switch after opening the vacuum switch. The control unit compensates current in an arc of the vacuum switch by driving an electric charge generator after opening the vacuum switch.
Patent KR-20080000317-A (KR)
Title: Speaker for controlling direction of sound
Inventor: SEO GI JUN
IPC: H04R1/32
Filed: 2006-06-27
Abstract: A speaker for controlling a radiation direction of a sound is provided to adjust a radiation direction of the sound to a wanted direction of a user by rotating an inner case and a sound generator. A speaker for controlling a radiation of a sound includes an inner case(30) and an outer case(40). The inner case has a sound generator which is rotatably installed. The inner case is rotatably installed inside the outer case. A sound fixing bar(31) is installed on an inner plane of a top and a bottom of the inner case. The sound fixing bar is protruded to be coupled to the sound generator. A sound insertion groove is installed on a top plane and a bottom plane of the sound generator. An inner fixing unit(41) is installed on an inner plane of a left side and a right side of the outer case. The inner fixing unit is protruded to be coupled to the inner case. An inner insertion groove is installed on a left side and a right side of the inner case. The inner fixing bar is inserted into the inner insertion groove.
Patent KR-20080003083-A (KR)
Title: Method for fabricating flexible display device
Inventor: YI SANG YEOL
IPC: G02F1/136
Filed: 2006-06-30
Abstract: A fabrication method of a flexible display device is provided to reduce a kickback phenomenon caused by electric charges charged between a sus substrate and an upper electrode by being capable of sus-contact of a source and a gate TCP(Tape Carrier Package). A gate electrode(105), a storage electrode(107) and a gate pad(109) are formed on a sus substrate. A first insulating layer(111) is formed on the gate electrode, the storage electrode and the gate pad. A semiconductor layer is formed on the first insulating layer on the gate electrode. A source electrode(115), a drain electrode(117) and a data pad(119) are formed on the first insulating layer including the semiconductor layer. A second insulting layer(123) is formed on the entire substrate, and includes a plurality of contact parts respectively exposing the drain electrode, the storage electrode, the data pad and a portion of the sus substrate. A pixel electrode(127), a gate pad electrode(129), a data pad electrode(131) and a sus substrate contact electrode(133) are formed on the second insulating layer, and are electrically connected to the drain electrode, the storage electrode, the data pad and the sus substrate through the plurality of contact parts.
Patent KR-20080004962-A (KR)
Title: Transistor having a recessed channel and method for forming the same
Inventor: HUR KI JAE
IPC: H01L29/78
Filed: 2006-07-07
Abstract: A transistor having a recessed channel and a manufacturing method thereof are provided to decrease a GIDL(Gate Induced Drain Leakage) current of the transistor by increasing a thickness of a gate insulation film. Oxidation acceleration ions are injected on a semiconductor substrate(100). A trench(125) is formed on the semiconductor substrate. A gate insulation film(150) is formed on the semiconductor substrate. A gate conduction film(163) is formed on the gate insulation film. A pad oxide film is formed on the semiconductor substrate, before the oxidation acceleration ions are injected. After the trench is formed, the pad oxide film is removed.
Patent KR-20060088870-A (KR)
Inventor: LEE SANG CHOL
IPC: B63C3/00
Filed: 2006-07-18
Abstract: 본 발명은 선박이송용 대차에 관한 것으로서, 더욱 상세히는 태풍이나 해일 등이 발생 시 연안의 선박을 인양하여 안전한 장소로 대피시킬 때 사용하는 선박용 대차를 제공하되, 선박의 크기에 구애받지 않고 호환성 있게 적재, 이송할 수 있으며, 좁은 골목길도 운반이 가능하고, 보관 및 이송의 용이성도 제공받을 수 있도록 한 선박이송용 대차를 제공코자 하는 것이다. 
     즉, 본 발명은 선박을 인양하여 안전한 대피장소로 이송하기 위한 선박 이송용 대차(1)를 구성하되, 이는 직사각형의 전후 분할형으로 이루어지고 견인고리(21)를 설치한 프레임(2)과, 상기 프레임(2)의 하부에는 설치되는 캐스터(5) 및 대차(1) 유동방지용 나사식 서포터(6) 및 상기 프레임(2)의 전후로 설치되어 선박을 적재하는 적재서포터(7)가 프레임(2)의 전후 길이방향으로 형성된 수개의 제1조절공(8)에 제1조절핀(9)으로 위치조절고정되는 적재플레이트(10)와, 상기 적재플레이트(10)상에는 좌우방향으로 수개의 제2조절공(11)에 제2조절핀(12)으로 위치조절고정되는 좌우조절판(13)과, 상기 좌우조절판(13)에 상하 방향으로 고정되는 포스트(14)와, 상기 포스트(14) 상단부에 스프링(15)으로 탄력설치되고 제1축핀(16)에 의해 좌우로 각도조절되는 좌우각도조절판(17)과, 상기 좌우각도조절판(17) 상부로 제2축핀(18)에 의해 전후로 각도조절이 이루어지는 전후각도조절판(19) 및 상기 전후각도조절판(19) 상면에 고정되는 선박받침판(20)으로 이루어지도록 한 것으로서, 
     이와 같은 본 발명에서 제공하는 선박이송용 대차(1)는 태풍이나 해일 등이  예보 시에 연안에 정박 중인 선박을 안전한 대피장소로 이동할 시에 사용할 수 있는 것으로서, 본 발명은 특히 대차(1)를 좁은 장소에도 보관할 수 있으며, 선박(22)의 크기에 구애받지 않고 안정적으로 적재하여 이송이 가능하며, 좁은 골목길도 운반이 가능한 등 다수의 이점을 제공하는 것이다. 
       
     선박이송용 대차, 적재서포터, 적재플레이트, 조절공, 조절핀, 선박받침판
Patent KR-20060089706-A (KR)
Inventor: CHO TAE HWAN
IPC: H04B1/38
Filed: 2006-07-21
Abstract: 본 발명은 휴대전화기용 슬라이딩 장치의 결합구조를 개시한다. 
     본 발명에 따른 휴대폰용 슬라이딩 장치의 결합구조는 슬라이드와 본체를 구비하며, 이들 사이에 구성되어 슬라이드를 동작시키는 것으로 양단이 수회 굽힘되는 한쌍의 레일이 형성되며 상면 내측에는 상호 간격을 두고 상 안착홈이 형성되는 슬라이드 프레임 및 상기 슬라이드 프레임의 레일에 미끄럼 접촉되게 끼움되는 가이드부가 굽힘 형성되며 상 안착홈과 이격되는 위치에 스프링이 개재되는 하 안착홈이 요입 형성되는 본체 프레임을 구비한 슬라이딩 장치로 구성되는 슬라이드형 휴대전화기에 있어서, 상기 슬라이딩 장치는 일측 끝단에 슬라이드에 대향하는 방향으로 수회 굽힘되면서 돌출 형성되는 결합편이 형성되고, 이에 대응되는 슬라이드에는 결합편이 끼워 맞춤 구조로 삽입되는 결합구멍이 일체로 형성되는 구성이다. 
     또한, 상기 슬라이딩 장치는 결합편이 형성된 부분의 일측을 하방향으로 돌출되게 끼움 돌출부가 형성되고, 이에 대응되는 슬라이드에는 끼움 돌출부가 끼워 맞춤으로 삽입되게 요입된 끼움 조립홈이 형성되는 것을 특징으로 하는 휴대폰용 슬라이딩 장치의 결합구조. 
     상기와 같이 구성되는 본 발명에 따른 휴대전화기용 슬라이딩 장치의 결합구조는, 결합편과 결합구멍 그리고 끼움 돌출부와 끼움 조립홈에 의해 슬라이딩 방향에 대한 직각 방향과 측면 방향에 대한 높은 구속력을 생성하게 되므로 슬라이딩  장치와 슬라이드와의 결합력 증대를 꾀할 수 있고 이를 통한 안정감 있는 동작 보장을 통한 사용감 유지와 제품의 내구성 향상을 통한 소비자의 만족도를 높일 수 있는 유용한 효과를 제공한다. 
       
     휴대전화기, 슬라이드, 본체, 탄성체
Patent KR-20080010583-A (KR)
Title: Method for manufacturing flexible printed circuit board
Inventor: PARK JONG HEUM
IPC: H05K3/02
Filed: 2006-07-27
Abstract: A method for manufacturing a flexible printed circuit board is provided to prevent a pattern from being damaged or scratched by protecting the pattern from the contact with the outside by using a coating layer of a thin film. A method for manufacturing a flexible printed circuit board includes the steps of: applying a pattern(21) divided into a rigid area(21a) and a flexible area(21b) by patterning a copper foil(20) deposited on a polyimide film(10); pasting a coverlay film(30) on the pattern; covering a mask(40) on a lower part of the polyimide film corresponding to the rigid area; applying a coating layer(50) by performing super thin-film coating of the entire polyimide film including the pattern, the coverlay film, and the mask; and completing the flexible printed circuit board by removing the mask and adhering a stiffener(60) to the removed part.
Patent KR-20080013338-A (KR)
Title: Unity oil sensor
Inventor: CHUN KUK JIN
IPC: G01N27/22
Filed: 2006-08-08
Abstract: An integrated oil sensor is provided to exactly sense deterioration of oil by measuring physical and chemical changes simultaneously, and to determine replenishment of oil by including plural integrated oil sensors at an oil cylinder rod. An integrated oil sensor comprises a capacitor formed of two electrodes(41,43) provided with grooves on the surfaces thereof so that oil infiltrates between the electrodes, an inductor provided at the outer side of the capacitor for LC resonation with the capacitor, and a resonator(42) provided between the electrodes of the capacitor and made of piezoelectric material for being resonated vertically by the LC resonation.
Patent KR-20080014338-A (KR)
Title: Air-conditioner
Inventor: KIM JOON HYOUNG
IPC: F24F5/00
Filed: 2006-08-10
Abstract: An air conditioner is provided to induce inorganic matters of a water pipe to a scale generation preventing device and clean the induced inorganic matters periodically, to prevent generation of rust or scale in the water pipe connected with a heat exchanger. A water-cooled heat exchanger(2) transfers heat between a refrigerant and water by crossing a refrigerant pipe and a water pipe(20). A scale generation preventing device(30) is installed at one side of the water pipe and receives minute electric currents to cohere inorganic matters of water flowing in the water pipe. The scale generation preventing device includes a branch pipe(31) branched from the water pipe, a cap(35) attached to one end of the branched pipe detachably, and a cohering rod(40) fixed at the cap for receiving electric currents to cohere inorganic matters of water flowing in the water pipe.
Patent KR-20080015642-A (KR)
Title: Method of indirectly testing adhesion between an epoxy molding compound and a polyimide layer in semiconductor package using a test device
Inventor: YOON SEONG MOON
IPC: H01L21/66
Filed: 2006-08-16
Abstract: A method for indirectly testing adhesive force between an epoxy molding compound layer and a polyimide layer of a semiconductor package using a test device is provided to improve accuracy of an adhesive force measurement. A specific section having weak adhesive force between a main polyimide layer(14) and a main epoxy molding compound(17) in a semiconductor package(10) is detected. A test device having a dummy polymide layer and a dummy epoxy molding compound pattern contacting thereto is formed so as to have a structure identical to that of the specific section. Adhesive force between the dummy epoxy molding compound pattern and the dummy polyimide layer is measured. The dummy polyimide layer is formed on a test chip and then a test substrate is attached onto the dummy polyimide layer. The test substrate includes a window for exposing a certain region of the dummy polyimide layer. The dummy epoxy molding compound pattern covers the window.
Patent KR-20080016287-A (KR)
Title: A novel soil microorganism, a novel beta transaminase seperated from the soil microorganism, a gene encoding the beta transaminase, and a method for producing enantiomerically pure beta amino acids and their derivatives by using the same
Inventor: KIM BYUNG GEE
IPC: C12P21/00
Filed: 2006-08-18
Abstract: A novel microorganism primarily isolated from soil using a minimum culture medium including a beta amino acid as a single nitrogen source is provided to show the high optical selectivity and transaminase activity on a D-type beta amino acid. And a method for producing an L-type or a D-type beta amino acid is provided to be able to obtain the enantiomerically pure product using the same microorganism. A Mesorhizobium sp. LUK is deposited as a deposition no. KCCM-10752P. An L-type beta amino acid is produced at a temperature of 20-70 deg.C under pH of 5-10 by using the Mesorhizobium sp. LUK or a cell extract thereof as a bio-catalyst through optical resolution. A D-type beta amino acid is produced at a temperature of 20-70 deg.C under pH of 5-10 by using the Mesorhizobium sp. LUK or the cell extract thereof as a bio-catalyst through asymmetric synthesis. A transformed host cell is transformed by a recombinant DNA vector including a beta-transaminase gene encoding an amino acid sequence of SEQ ID : NO. 3 or a gene having more than 97% homology to the sequence of SEQ ID : NO. 3 and encoding a protein with the beta-transaminase activity. Further, an amino accepter for the optical resolution is selected from keto acid group.
Patent KR-20060096971-A (KR)
Inventor: JEON MYEONG SIM
IPC: B02C23/02
Filed: 2006-08-17
Abstract: 본 발명은 고추가 투입되는 투입부와 고추가 분쇄되는 분쇄부와의 사이에 상기 분쇄부측으로 일정량의 고추를 공급하여 주는 정량공급기를 더 구비하여 일정량의 고추가 분쇄부측으로 공급되도록 함으로써 분쇄부에 많은 양의 고추가 투입됨에 따라 야기되는 문제점을 해결할 수 있는 정량공급기가 구비된 고추분쇄기를 제공함에 그 목적이 있다. 
     상기 목적을 달성하기 위한 수단으로 본 발명인 정량공급기가 구비된 고추분쇄기는, 고추가 투입되는 투입부와, 투입되는 고추가 분쇄되는 분쇄부와, 분쇄된 고추가 이송되는 이송부를 갖는 고추분쇄기에 있어서, 상기 투입부(10)와 분쇄부(20) 사이에 구비되고 상부가 개방되어 상기 투입부(10)로부터 투입되는 고추가 낙하되며 바닥면 일측에 정량공급홈(51)이 통공된 하우징(52)과; 상기 하우징(52)의 상단측에 체결되고 일측에 모터축(53)이 축설된 모터(54)와; 상기 모터축(53)의 하단측에 일측이 체결되어 적어도 2개 이상의 방사상으로 구비된 회전날개(55)와; 를 갖는 정량공급기(50)가 더 포함되어 이루어지는 것과, 상기 모터(54)는 감속모터로 구성되어 이루어지는 것을 특징으로 한다. 
     또한, 상기 하우징(52)의 내측면 상단부에는 상기 하우징(52)의 내부로 낙하되는 고추의 양이 일정량을 초과할 경우 이를 감지하는 정량높이감지센서(56)가 더 구비되어 이루어진다. 
     본 발명인 정량공급기가 구비된 고추분쇄기에 의하면, 고추가 투입되는 투입 부와 분쇄부 사이에 정량공급기가 더 구비되어 있음에 따라 항상 일정량의 고추만이 분쇄부측으로 공급될 수 있어 분쇄부는 물론 고추분쇄기 전체에 무리를 가하지 않고 고추의 분쇄가 원활하게 이루어지는 효과가 기대된다. 
       
     고추분쇄기, 에어이송장치, 고추파쇄장치
Patent KR-20080019751-A (KR)
Title: The circuit for papr reduction of ofdm signal using dc offset
Inventor: LIM MYOUNG SUB
IPC: H04J11/00
Filed: 2006-08-29
Abstract: A circuit for reducing a PAPR(Peak to Average Power Ratio) of an OFDM signal using a DC offset scheme is provided to maintain the quality of an OFDM transmission system by transmitting a DC offset signal without a signal distortion. A circuit for reducing a PAPR of an OFDM signal using a DC offset scheme includes the steps of: subtracting an average value from an output value in case of a larger signal than an average value of an IFFT(Inverse Fast Fourier Transform) signal; modulating and transmitting the subtracted signal to a carrier wave having a large frequency as much as a subcarrier wave frequency instead of a carrier wave frequency of the OFDM signal; and transmitting a smaller signal than an average value through a conventional transmission scheme.
Patent KR-20080019962-A (KR)
Title: Semiconductor device and fabricating method thereof
Inventor: HAN JAE WON
IPC: H01L27/04
Filed: 2006-08-29
Abstract: A semiconductor device and a method of manufacturing the same are provided to reduce crosstalk of an element caused by inductance. An inductor cell(130) is formed in an inductor element(100). An RF element circuit part having a transistor and a wiring is formed in a second element. A connective electrode is formed to connect electrically the inductor cell with the RF element circuit part. The inductor element includes the inductor cell formed on a semiconductor substrate, a first terminal connected to the inductor cell, and a second terminal connected to the inductor cell. The connective electrode is formed to connect electrically through the first terminal and the second terminal to the inductor cell.
Patent KR-20080022953-A (KR)
Title: Laundry treatment machine and the display method of the same
Inventor: HA MI KYUNG
IPC: D06F25/00
Filed: 2006-09-08
Abstract: A laundry treating machine having drying function and a method for displaying the same are provided to display degree of a dryness to a display unit so as to improve convenience. A method for displaying of a laundry treating machine comprises the steps: sensing humidity(S1); computing degree of dryness according to the sensed humidity(S3); and displaying sensed humidity and at least one computed the degree of dryness to the external(S4).
Patent KR-20080023281-A (KR)
Title: Remembering thousand characters book
Inventor: KUM HA YEON
IPC: G09B11/08
Filed: 2006-09-09
Abstract: A method for memorizing a chunjamun is provided to enhance concentrative power, imaginative power, and metal power by using an association training. A chunjamun includes a plurality of picture cards. Each of the picture cards includes 10 rooms for storing 10 Chinese characters. Each of the Chinese characters are assigned to each of the rooms of the cards. A first to ninth Chinese characters of each card are arranged in three groups. A tenth Chinese character of each card is used as a room name. The chunjamun has 100 room names. The 100 room names correspond to gate names. Each of the room names of the cards corresponds to each of the gate names.
Patent KR-20080024609-A (KR)
Title: Non-invasive vascular screening device and its measurement method
Inventor: PARK WEON HEE
IPC: A61B5/02
Filed: 2006-09-14
Abstract: An arteriosclerosis diagnosing apparatus and a measurement method thereof are provided to measure pulse waves without influence of external noises by installing both a pressing unit and an exhaust unit on each cuff. An arteriosclerosis diagnosing apparatus includes cuffs(120~123), pressing units, exhaust units, and main body control units. The cuffs are installed on arms and legs respectively to measure velocity of pulse waves. The pressing units and the exhaust units are installed in the cuffs to press the cuffs and exhaust air from the cuffs. The main body control units are electrically connected to the pressing units and the exhaust units to control the pressing units and the exhaust units and measure the velocity of the pulse waves.
Patent KR-20080028170-A (KR)
Title: Apparatus and method for battery charging
Inventor: LEE YOUNG HEE
IPC: H02J7/04
Filed: 2006-09-26
Abstract: An apparatus and a method for battery charging are provided to expand an application range of a battery by using the batteries of different charge voltages in one system through selective conversion of a voltage level of power supplied from a power adapter. An apparatus for battery charging includes a plurality of batteries(10), an embedded controller(20), a system control unit(30), an input/output control hub(40), and a charge unit(50). The plurality of batteries have different charge voltages from each other. The embedded controller receives the charge voltage of the battery through communication with each of the batteries. The system control unit generates a charge voltage control command for the charge voltage of the battery. The input/output control unit determines a voltage level of a charge voltage control signal according to the charge voltage control command. The charge unit selectively converts supplied power into a voltage level of the charge voltage according to the voltage level of the charge voltage control signal so as to charge the battery with the converted voltage.
Patent KR-20080029392-A (KR)
Title: Supply reel of labeling machine for attaching shielding sheets
Inventor: SUN CHUNG LAE
IPC: B65H19/10
Filed: 2006-09-29
Abstract: A supply reel of a labeling machine for attaching shielding sheets is provided to maintain coupling force between a tape bobbin wounded by a carrier tape and a reel bobbin having the inserted tape bobbin to supply a tape according to control signals. A supply reel of a labeling machine for attaching shielding sheets comprises a reel bobbin(18), a plurality of air cylinders(30), an air supply tube(20), an opening and closing check valve(20d), and a tube expanding hole(30e). Penetrated holes(18c) are formed on an outer peripheral surface of the reel bobbin, where a tape bobbin(11) enters. A pair of flanges(18b) are attached and detached to and from both sides of the reel bobbin. The air cylinders are installed in the reel bobbin by installing a tube(30c) in a housing. The air supply tube connects air distribution holes(20b) connected to the tube of the air cylinder by an air hose(30a) with an air injection unit(20a). The opening and closing check valve is installed at the air supply tube and controls injection and exhaust of air. The tube expanding hole is formed at the housing of the air cylinder opposite to the water discharge holes of the reel bobbin.
Patent KR-20080030823-A (KR)
Title: High photocatalytic acitivity of mesoporous tio2 and visible lingt photocatalyst with hydrotheramal treatment and methode of manufacturing thereof
Inventor: KIM CHANG GEUN
IPC: B01J21/06
Filed: 2006-10-02
Abstract: A method is provided to mass-produce materials with excellent thermal stabilities even at high temperatures due to their superior crystallinities through a hydrothermal reaction in an inexpensive and environmentally friendly manner after preparing mesoporous TiO2 in a solid form using pure water as a solvent, and materials having high optical activities in ultraviolet region as well as visible light region by doping pores with transition metals such as Cr, Fe, V, Ag and the like are provided. A method of preparing mesoporous TiO2 comprises: a surfactant dissolving step of injecting 3 to 5 weight parts of Pluronic P123 that is a neutral surfactant represented by the formula (PEO)20(PPO)70(PEO)20 into 100 weight parts of water to dissolve the surfactant into water; a sulfuric acid adding step of adding 1 to 2 weight parts of sulfuric acid into a solution prepared by the surfactant dissolving step with respect to 100 weight parts of water; and a titanium precursor stirring step of stirring a precursor titanium isopropoxide represented by the formula Ti(OCH(CH3)CH2CH3)4 and 2,4-pentanedione represented by the formula CH3COCH2COCH3 with the solution prepared by the surfactant dissolving step, wherein the Pluronic P123 that is a neutral surfactant represented by the formula (PEO)20(PPO)70(PEO)20 and the precursor titanium isopropoxide represented by the formula Ti(OCH(CH3)CH2CH3)4 are added in a mole ratio of 1:40 to 80, and the precursor titanium isopropoxide represented by the formula Ti(OCH(CH3)CH2CH3)4 and the 2,4-pentanedione represented by the formula CH3COCH2COCH3 are added in a mole ratio of 1:1 to 10.
Patent KR-20080033594-A (KR)
Title: A fire door having fire-proofing
Inventor: CHAE SU HA
IPC: A62C2/10
Filed: 2006-10-12
Abstract: A fire door having a fire-proofing capacity is provided to prevent the spread of a fire that occurs inside a building, and to improve the effects of absorbing or intercepting the sound. In a fire door having a fire-proofing capacity, an insulating material is installed in a space between an indoor panel(11) and an outdoor panel(12). A tray made of an incombustible material(13) is installed in a space between the indoor panel and the outdoor panel. Filling drums having a filling recess are formed in parallel to each other in the tray made of an incombustible material. A incombustible material(14) is filled into each filling drum. Urethane foam(15) is filled into a space between the filling drums. The tray made of an incombustible material is molded with a pulp mold on which fire retardant treatment is made.
Patent KR-20070044794-A (KR)
Inventor: AWAD YASSIN ADEN
IPC: H04B1/76
Filed: 2006-10-25
Abstract: 본 출원은, 일련의 TDS(time domain symbol)가 송신기에 의해 하나 이상의 수신기에 송신되는 통신 방법에 관한 것이다.  각각의 시간 영역 기호는 송신기에 의해 병렬로 송신되는 복수의 신호를 갖는다.  상기 신호들은 데이터 신호들 또는 파일럿 신호들을 포함할 수도 있다.  송신기에서, 소정의 시간 영역 기호에 할당되는 파일럿 신호들의 세트에는 시간 영역 기호에 적용되는 위상 벡터에 관한 정보가 제공된다.  위상 벡터는, 시간 영역 기호에 벡터가 적용될 때 달성될 수 있는 피크 대 평균 전력비에서의 감소를 고려하여 선택되는 것이 바람직하다.  또한, 통신 방법에서 이용되는 송신기와 수신기도 제공된다.  본 발명은, 특히, OFDM 통신 시스템에의 적용이다. 
       
     다중반송파, 서브반송파, 통신 시스템, 송신기, 수신기