baber/WOPTO huggingface dataset:
Patent KR-20020002326-A (KR)
Title: Plasma display panel and driving method thereof
Inventor: HOMMA HAJIME
IPC: G09F9/313
Filed: 2001-06-29
Abstract: PURPOSE: A plasma display panel and a method for driving the plasma display panel are provided to obtain contrast and to reduce the manufacturing costs without brightness decrease. CONSTITUTION: A plasma display panel includes a pair of substrates facing with each other, a plurality of scanning electrodes(2), a plurality of sustaining electrodes(3), a plurality of data electrodes(5), a dielectric layer for coating the scanning electrodes(2) and the sustaining electrodes(3) and a plurality of spacers for dividing the scanning electrodes(2) into two parts. In the plasma display panel, the scanning electrodes(3) are shared between adjacent display lines. The sustaining electrodes(3) are disposed between the scanning electrodes(2) by two. The sustaining electrodes(3) form display lines by gaps with adjacent scanning electrodes(2). The sustaining electrodes(3) are separated into a first sustaining electrode group(103d) in which a plurality of sustaining electrodes(3) disposed at the one side of the scanning electrode(2) are commonly connected and a second sustaining electrode group(103e) in which a plurality of sustaining electrodes(3) disposed at the other side of the scanning electrode(2) are commonly connected to be independently driven.
Patent KR-20030003303-A (KR)
Title: Reservoir and a semiconductor memory device
Inventor: LEE CHAN YONG
IPC: H01L27/108
Filed: 2001-06-30
Abstract: PURPOSE: A reservoir capacitor and a semiconductor memory device are provided to be capable of increasing capacitance and obtaining effective metallization. CONSTITUTION: The semiconductor memory device comprises a DRAM cell formed on an active region of a semiconductor substrate(22) and a reservoir capacitor formed on a peripheral region of the semiconductor substrate(22). The reservoir capacitor is provided with a lower electrode(30), a dielectric film(32) and an upper electrode(34). The lower electrode(30) of the reservoir capacitor is connected to the active region of the semiconductor substrate(22), and the upper electrode(34) is connected with a power source line(40).
Patent KR-20020005444-A (KR)
Inventor: CHOI HYEON SEOP
IPC: G11B7/135
Filed: 2001-07-04
Abstract: PURPOSE: A compatible optical pick-up device employing a single optical source is provided, which uses a single optical source that emits beams having wavelengths longer than 650nm so as to employ both of CD and DVD. CONSTITUTION: The compatible optical pick-up device includes a single optical source(50), an objective lens(70), an optical path converter, and a light detector. The single optical source emits beams having wavelengths longer than 650nm. The objective lens focuses a beam emitted from the optical source to form light spots on the first and second optical discs(40a,40b). The first optical disc is relatively thin and the second optical disc is relatively thick. The optical path converter is arranged between the optical source and the objective lens and changes the traveling path of an incident light. The light detector receives light that was reflected from the optical disc and passed the objective lens and optical path converter to detect an information signal and/or error signal.
Patent KR-20030004891-A (KR)
Title: An ear micphone of mobile phone
Inventor: PARK CHAE HUN
IPC: H04B1/38
Filed: 2001-07-07
Abstract: PURPOSE: A handsfree device for a mobile communication terminal is provided to confirm incoming and outgoing telephone numbers without confirming an LCD of the mobile communication terminal although the mobile communication terminal is located in a remote place. CONSTITUTION: A plug(110) is inserted into a jack connection hole(101) or a receptacle of a mobile communication terminal for inputting and outputting a voice signal and receiving a DTMF(Dual Tone Multi Frequency) signal of the mobile communication terminal. A speaker(112) outputs the voice signal inputted through the plug(110) to the outside. A microphone(113) and a hook button(114) receive an external voice signal and inputs the received voice signal to the plug(110). An LCD(116) displays the DTMF signal of the mobile communication terminal inputted through the plug(110).
Patent KR-20030008005-A (KR)
Title: An apparatus for adjusting cleaner of belt conveyor
Inventor: CHOI JEONG HUI
IPC: B65G45/16
Filed: 2001-07-12
Abstract: PURPOSE: A cleaner adjuster of a belt conveyor is provided to lengthen the life span of a belt, to prevent environmental pollution, and to improve the durability by restricting breakage and impact with absorbing vibration and shock. CONSTITUTION: A blade and a holder(127) are placed in the lower part of a belt(110) with rotating, and gap adjusting levers(5) are formed at both ends of a holder central shaft(126) to rotate the holder. The blade is contacted to the belt by turning the gap adjusting lever. An elastic part(20) buffers vibration and impact to the blade and the holder by the belt attachment. Breakage of the blade or the holder is prevented by separating the gap adjusting lever from the elastic part in applying excessive vibration and impact.
Patent KR-20030006344-A (KR)
Title: mounting structure and method of a horn membrane switch of vehicles
Inventor: LEE SEUNG HUN
IPC: B60Q5/00
Filed: 2001-07-12
Abstract: PURPOSE: Structure and method for mounting a horn membrane switch of a vehicle are provided to make a horn keep operating stably by avoiding the transfer of the deforming force due to an external temperature or the deformation of an air bag cushion. CONSTITUTION: A guide having a fusion guide(12) is formed in a horn cover(10). A membrane switch(13) is inserted to the guide. A planar back plate(14) is covered on the membrane switch. The fusion guide is fused to the surface of the back plate. Since the back plate is made of a material of high strength and low thermal deformation, the back plate is firmly fixed with the horn cover.
Patent KR-20030008058-A (KR)
Title: An Appratus and a Method for detecting an erroneous Cyclic Redundancy Code in a Receiver
Inventor: KIM GI JUN
IPC: H03M13/09
Filed: 2001-07-16
Abstract: PURPOSE: A CRC error detecting method is provided to improve a system performance by preventing an unnecessary control channel signal from being transmitted to a transmitter and preventing the delay of call drop due to a CRC error. CONSTITUTION: There is received a transmitted signal comprising a cyclic redundancy code(CRC) in an information signal and the transmitted signal is decoded(S100). The decoded signal is encoded in a receiver(S200). A signal before decoding is compared with a signal after encoding(S300). When the number of different bits is lower than a threshold value(S400), an error of the received signal is detected according to judging of the CRC(S500). When the number of different bits is higher than the threshold value(S400), the received signal is judged as an erroneous signal regardless of the judging of the CRC(S600).
Patent KR-20030012490-A (KR)
Inventor: CHOI SEONG O
IPC: F04D29/28
Filed: 2001-08-01
Abstract: PURPOSE: A turbo fan is provided to equalize air flow discharged through a discharge port of the turbo fan by improving the blade shape of the turbo fan generating blowing force, thereby minimizing a noise generated in rotating the turbo fan. CONSTITUTION: A turbo fan includes a shroud(72) having a suction port(71) in the center; a hub(76) separated from the shroud, forming a discharge port between the shroud, and connected with a shaft(62) of a motor(60); a plurality of blades(80) arranged between the shroud and the hub for generating blowing force to discharge air, wherein the length from the inner end(86) of the blade to the shroud side end(82) of the blade is longer than the length from the inner end of the blade to the hub side end(84) of the blade, so that the discharged air flow being guided by the blades is equalized.
Patent KR-20020092148-A (KR)
Title: Semiconductor device
Inventor: MOMOSE HISAYO
IPC: H01L21/336
Filed: 2001-08-18
Abstract: PURPOSE: To provide a semiconductor device which can improve characteristics, such as reliability, gate leak current, noise characteristics of an MOSFET provided on a surface azimuth other than (100) and actualize an MOSFET with respective proper characteristics on various surface azimuths. CONSTITUTION: For example, a surface azimuth other than (100) is exposed at the surface part of an N-type well region 13a of a silicon substrate 11 whose face orientation is (100). Only in a region which includes a channel-forming region on the (100) face orientation, a silicon epitaxial growth layer 15 of low concentration is formed. Then an N-type MOSFET, having this silicon epitaxial growth layer 15 as a channel part, is formed in a P-type well region 13b. In an N-type well region 13a, on the other hand, a P-type MOSFET having the surface part of the well region 13a as a channel part is formed.
Patent KR-20030019832-A (KR)
Title: Digital Radio Board for Reception in Base Station
Inventor: LEE GYEONG HAN
IPC: H04B7/155
Filed: 2001-08-31
Abstract: PURPOSE: A receiving digital radio board of a base station is provided to install digital elements capable of processing a 3FA multi-carrier signal in a receiving end of the base station or processing a 1FA 3 sector signal, thereby improving reliability on the base station. CONSTITUTION: An analog/digital converter(500) converts an inputted IF signal into a digital signal. A traffic path selector(510) changes a path according to a structure of a demanded system for a signal outputted from the analog/digital converter(500). A digital radio processing part(520) converts a signal outputted from the traffic path selector(510) into a digital radio signal. A data format converter(530) inputs a signal outputted from the digital radio processing part(520) and a system clock signal, and outputs a data format signal with a channel card.
Patent KR-20030021960-A (KR)
Title: Audio signal recorder in optical disc recording system
Inventor: YOO YEONG TAEK
IPC: G11B20/14
Filed: 2001-09-10
Abstract: PURPOSE: A device for recording an audio signal in case of no video signal in an optical disk recording system is provided to generate a video signal in the system in the case that only an audio signal is input. CONSTITUTION: A first PLL(Phase Loop Locked) part(212) generates a video clock synchronized with a synchronizing signal of an input video signal. A video clock generating part(230) generates a video clock independent from the first PLL part. A video signal generating part(240) generates a predetermined frame of video signals according to the video clock. A second PLL part(280) generates an audio clock synchronized with the video clock selectively generated from the first PLL or the video clock generating part. An audio signal processor(282) encodes the audio signal being synchronized with the audio clock generated from the second PLL part. A video signal processor(270) selectively encodes the video signal of the video signal generating part or the input video signal being synchronized with the video clock selectively generated from the first PLL part or the video clock generating part according to the existence of the video synchronization.
Patent KR-20030024948-A (KR)
Title: Vehicle's Meter Hood with Blind Rubber
Inventor: AHN GEON CHEOL
IPC: B60K37/00
Filed: 2001-09-19
Abstract: PURPOSE: A meter hood for vehicle having a blind rubber is provided to cut down the production cost by integrating a blind rubber with a meter hood. CONSTITUTION: A curved extension(3) having the function of a blind rubber is integrally formed on a lower flange(2b) of a meter hood(5) to prevent the exposure of a gap between the meter hood and a column cover(6). When the column cover is tilted, a notch portion(4) is formed between the lower flange and the curved extension to make the curved extension deform smoothly. The curved extension performs the function of the blind rubber by being deformed in the tilting of the column cover.
Patent KR-20020022606-A (KR)
Inventor: KANAYA HIROYUKI
IPC: H01L21/8246
Filed: 2001-09-19
Abstract: PURPOSE: To provide a semiconductor memory device for preventing deterioration of capacitor characteristics at a terminal end of a memory cell block, and to provide a method of manufacturing the same. CONSTITUTION: In a TC parallel unit serially connected type ferroelectric memory, a dummy upper electrode 25 which is not connected to another element is disposed in a capacitor of a terminal end of the block in which a block selecting transistor 6 or a plate line is disposed, so that an upper electrode 20 in the capacitor used for the cell is not disposed at an outermost periphery to prevent a deterioration of the ferroelectric capacitor characteristics. An element region for holding a passing word line 36 of a block selector of the TC parallel unit serially connected type ferroelectric memory is connected by a lower electrode wiring of the capacitor, a hierarchical word line can pass thereon, and hence high integration is realized.
Patent KR-20020061150-A (KR)
Title: Liquid crystal display device
Inventor: ITOU OSAMU
IPC: G02F1/139
Filed: 2001-09-20
Abstract: PURPOSE: To provide a reflection type liquid crystal display device which makes a display with a high contrast ratio by reducing a phase difference variation accompanying the field angle variation and a phase difference variation accompanying the variation in liquid crystal layer thickness. CONSTITUTION: This reflection type liquid crystal display device is equipped with an upper substrate 1 which has a common electrode 9 formed on one surface and a phase plate 4 and a polarizing plate 5 arranged on the other surface, signal lines and scanning lines which are arranged crossing each other, thin film transistors 16 which are arranged in respective intersection areas of the signal lines and scanning lines, a lower substrate 2 which has projections and recesses and also has a light- diffusive reflecting electrode 13 connected to the respective thin film transistors 16, a liquid crystal layer 3 which is inserted between the upper substrate 1 and lower substrate 2, and a driving part which is connected to the common electrode 9 and the signal lines and scanning lines, and the liquid crystal layer 3 makes a normally closed display and the liquid crystal layer 3 has a twist angle of 40 to 65° and when the twist angle is 40°, the product of the height of the projections and recesses of the light-diffusive reflection electrode 13 and the birefringence of the liquid crystal 3 is 10 to 53 nm.
Patent KR-20020023663-A (KR)
Inventor: BAUMEISTER MARKUS
IPC: G06F17/30
Filed: 2001-09-21
Abstract: PURPOSE: A method for detecting writing conflict in a database copied without having memory overhead is provided to avoid a data loss and thus solves the so-called lost update problem if different users, the so-called clients, of the distributed software system simultaneously have write access to the database. CONSTITUTION: The invention relates to a network comprising network nodes and to a software system distributed over all the network nodes which comprises a database management system(7 to 9) which is provided for calculating a characterizing unit of the data object when a user, referred to as a client(10 to 12), of the database management system(7 to 9) accesses a data object, and the characterizing unit is provided for being transferred to the client(10 to 12) and the client(10 to 12) is provided for storing the characterizing unit.
Patent KR-20020025823-A (KR)
Inventor: CHO TOM K
IPC: C23C16/44
Filed: 2001-09-28
Abstract: PURPOSE: An apparatus is provided to be capable of reducing particle residues in a semiconductor wafer processing system. CONSTITUTION: The apparatus is provided with a chamber and a chamber slot(196) which extends through a side wall of the chamber. A processing platform(120) having at least one side wall(121) is coupled to the chamber, and a wafer channel(131) extends through the side wall of the chamber and at least one side wall of the processing platform(120) such that the wafer channel(131) intersects the chamber slot(196). A chamber slit valve(190) extends through the chamber slot(196) and controls particle residues in the wafer channel(131).
Patent KR-20020026849-A (KR)
Title: Wiring circuit board having bumps and method of producing same
Inventor: KANEDA YUTAKA
IPC: H01L23/498
Filed: 2001-09-28
Abstract: PURPOSE: Wiring circuit board having bumps and method of producing same are provided to achieve a stable bump connection, and eliminate complex operations such as plating pre-treatment. CONSTITUTION: Bumps(2) having a surface roughness on the tip face thereof of 0.2 to 20 μm are formed by forming an etching mask for bump formation on bump formation surface of a metal foil(10) which has a thickness(t1+t2) which is the sum of a thickness(t1) of a wiring circuit(1) and a height(t2) of bumps to be formed on wiring circuit and which has a surface roughness of the bump formation surface thereof of 0.2 to 20 μm, and half etching the metal foil from the side of the etching mask for bump formation to a depth corresponding to the desired bump height(t2).
Patent KR-20030027618-A (KR)
Title: Dome type camera assembly
Inventor: JUN BYEONG MUN
IPC: H04N5/225
Filed: 2001-09-29
Abstract: PURPOSE: A domed camera assembly is provided to improve the structure of a camera assembly so as to easily assemble and decompose the camera assembly. CONSTITUTION: A domed camera assembly includes a plate type main frame(110), a camera adaptor(120), a camera main body(130), a domed cover(140), and a housing(150). The camera adaptor is combined with the lower part of the main frame and connected to a power cable, a video output cable and a communication cable. The camera main body is detachably combined with the camera adaptor, and transmits/receives signals to/from the camera adaptor when the camera main body and the camera adaptor are combined with each other. The camera main body has a movable camera lens. The domed cover is combined with the lower part of the camera main body to cover the camera lens. The housing has opened top and bottom ends. The top end of the housing is combined with the camera adaptor to surround the outer side of the camera main body. The domed cover is exposed through the bottom end of the housing.
Patent KR-20030030130-A (KR)
Title: Apparatus for adjusting temperature using a positive temperature coefficient resistor
Inventor: JUNG NONG HEY
IPC: A45D1/28
Filed: 2001-10-08
Abstract: PURPOSE: Provided is a temperature adjuster with a PTC element used which uses the PTC element as a heating element to simplify an adjusting circuit and lower the amount of electronic wave generated in using the temperature adjuster. CONSTITUTION: The temperature adjuster with the PTC element used comprises the parts of: the PTC element(16) which responses AC voltage to heat; a relay part(14) which is connected between a common AC power and the PTC element to response a control signal and convert AC voltage of the PTC element; a circuit for absorbing electronic wave which is connected between the common AC power and the relay part to absorb the electronic wave generated by converting the relay part; a power part(11) which rectifies and flats the common AC power and changes the flatted voltage into static voltage; a temperature sensor(15) which senses a heating temperature of the PTC element; and a control part(12) which compares the set temperature and heating temperature of the PTC element sensed by the temperature sensor and generates a control signal as a comparison result to keep heating temperature of the PTC element same as the set temperature.
Patent KR-20020056814-A (KR)
Inventor: CHEN CHIEN-HSING
IPC: C07D401/06
Filed: 2001-10-18
Abstract: PURPOSE: Provided is a process for preparing imidacloprid in the presence of an alkali carbonate in an organic solvent. Imidacloprid (1-((6-Chloro-3-pyridinyl) methyl)-4,5-dihydro-N-nitro-1H-imidazol-2-amine) is known as an insecticide, and is a neonicotinoid compound. CONSTITUTION: The process for preparing imidacloprid comprises reacting 2-nitroiminoimidazolidine with 2-chloro-5-chloromethyl pyridine in the presence of an alkali carbonate in an organic solvent, wherein a stoichiometric amount of the 2-chloro-5-chloromethyl pyridine is gradually added into mixture of a corresponding stoichiometric amount of the 2-nitroiminoimidazolidine and the organic solvent under reflux condition. Imidacloprid is represented by the formula(1), wherein n is 0 or 1; X is S, O, -N-R7 or -CH-R8; Y is N or C-R9; R7, R8 and R9 are hydrogen or specifical organic radicals; Z is 5- or 6-membered nitrogen-containing heterocyclic ring; R1, R2, R5 and R6 are hydrogen or alkyl group; and R3 and R4 are hydrogen, hydroxy group or alkyl group.
Patent KR-20030032612-A (KR)
Title: A method for photocatalysis of a volatile organic compound and a method for regenerating a deactivated photocatalyst
Inventor: CHO JU HWAN
IPC: B01D53/94
Filed: 2001-10-19
Abstract: PURPOSE: Provided are method of oxidizing volatile organic compound (VOCs) using photocatalyst of anatase TiO2 and a method for regenerating deactivated photocatalyst. CONSTITUTION: The method comprises the steps of radiating ultraviolet rays to VOCs of less than 2000 ppm in the presence of anatase titanium dioxide, wherein a light source for irradiating the ultraviolet rays is an ozone lamp, and wherein light beams irradiated from the light source includes a light beam with wave length of 185 nm by no less than 30%.
Patent KR-20030034316-A (KR)
Title: Bracing type steel frame construction with slited damper
Inventor: OH SANG HUN
IPC: E04B1/24
Filed: 2001-10-22
Abstract: PURPOSE: A bracing type steel frame structure is provided to improve the structural efficiency of a brace frame and to easily maintain by applying a slit plate type damper to the brace frame. CONSTITUTION: A structure(50) forms a lattice shaped space by alternatively fixing a pair of first horizontal plates(51H,51L) and a pair of first vertical plates(52R,52L). A damper(53) is located in the space of the structure and has many slits(54) in parallel with the first vertical plates. The one ends of braces(40a,40b) are connected with a pillar and a beam. The other ends of the braces are connected with the structure. Second plates(56R,56L) in parallel with the first vertical plates are fixed in upper and lower faces of the structure. The second vertical plates are connected by second horizontal plates(58H,58L) vertically. Thereby, the vertical load and the horizontal load are separated completely.
Patent KR-20020003155-A (KR)
Inventor: OK MOON SOO
IPC: D06M11/00
Filed: 2001-11-10
Abstract: PURPOSE: A manufacturing method of a coating solution is provided to improve the resolution of an image by preventing a dye from spreading on the surface of fabrics when printing and to emit far infrared rays by coating on the surface of a rag. CONSTITUTION: A manufacturing method of a coating solution comprises the steps of: manufacturing a primary yellow muddy water containing yellow soil of particles smaller than the primary size by putting yellow soil in a sieve having meshes of the primary size and pouring water; manufacturing a secondary yellow muddy water containing minute particles smaller than the secondary size by passing the primary yellow muddy water through a sieve having meshes of the secondary size smaller than the primary size; settling the yellow soil particles smaller than the secondary size, removing water and drying at the state of holding the secondary yellow muddy water in a container; pulverizing the dried yellow soil; and mixing the dried yellow soil with a high molecular resin solution of PVA(Polyvinyl Alcohol) or PVAC(Polyvinyl Acetate) in the volume ratio of 1 to 0.1 ¯ 1 to 0.25.