baber/WOPTO huggingface dataset:
Patent KR-20040043004-A (KR)
Title: An apparatus for removing tar from coke oven
Inventor: KIM SANG CHEOL
IPC: C10B43/04
Filed: 2002-11-15
Abstract: PURPOSE: An apparatus for removing tar of coke oven is provided to perform coke operation more stably by completely removing tar generated after coke extracting operation, thereby preventing mounting and demounting defects of coke oven door. CONSTITUTION: In an apparatus for removing solid of tar(205) generated at a lower part of coke oven door(220) when performing coke extracting operation using transfer car(210) in coke oven operation, the apparatus(1) for removing tar of coke oven comprises a heating part(10) comprising a heating plate(5) mounted on an outer lower part of the coke oven door, and a heat exchange pipe(15) installed at a lower part of the heating plate, and to which heat is conducted from a heat exchanger mounted on coke oven chamber(202) to heat the heating plate so that tar(205) on the heating plate is heated; a scraping part comprising a crushing roller(40) mounted on a lower part of the transfer car so that the crushing roller is rotated through a link arm(37), and a scraper(42) installed on an upper part of the crushing roller to remove the tar by scraping downward the tar on the heating plate; and a driving part(60) comprising a plural hydraulic cylinders(65) mounted on the transfer car so that the crushing roller crushes and removes the tar by rotating the link ram, thereby closely adhering the crushing roller to the heating plate.
Patent KR-20040043707-A (KR)
Title: Phamaceutical composition for hepatitis and hepatocaricinoma as pharmaceutical preparations ARTMISIA CAPILLARIS, ARTEMISIAE ASIATICAE HERBA, ULMUS DAVIDIANA VAR, HOVENIA DULCIS THUNB, ALNUS JAPONICA, LPH peptide isloated SOYBEAN DEBRIS-WATER EXTRACT, KOREA RAISIN and FAGOPYRUM ESCULENTUM containing them
Inventor: KIM JEONG DO
IPC: A61K36/185
Filed: 2002-11-16
Abstract: PURPOSE: Provided is a pharmaceutical composition containing Artmisia capillaris, Artemisiae asiaticae herba, Ulmus davidiana var, Hovenia dulcis thunb, Alnus japonica, LPH peptide, korea raisin and fagopyrum esculentum. The composition has excellent effects on prevention and treatment of hepatitis and hepatocarcinoma as well as removal of hangover. CONSTITUTION: A pharmaceutical composition for prevention and treatment of hepatitis and hepatocarcinoma is characterized by containing, as a main ingredient, 25-500 parts by weight of Artmisia capillaris, 25-500 parts by weight of Artemisiae asiaticae herba, 25-500 parts by weight of Ulmus davidiana var, 25-500 parts by weight of Hovenia dulcis thunb, 25-500 parts by weight of Alnus japonica, 25-500 parts by weight of LPH peptide, 25-500 parts by weight of korea raisin and 25-500 parts by weight of fagopyrum esculentum or extracts thereof using one of water, lower alcohol, ethyl acetate, aromatic hydrocarbon and chlorohydrocarbon.
Patent KR-20040019826-A (KR)
Inventor: CHEN YUNG LUNG
IPC: H04L27/14
Filed: 2002-11-27
Abstract: PURPOSE: A signal frequency splitter and a frequency shift key decoding apparatus using the same are provided to randomly change the frequency of a local carrier signal and to reduce manufacturing costs. CONSTITUTION: A multi-function wireless receiver(120) includes an antenna(122), a microprocessor(136), an interface(138), an oscillation crystal(134), a vibration initiator, and a frequency shift key decoding apparatus(110). The frequency shift key decoding apparatus(110) includes a frequency divider(140), a low-noise amplifier(124), a signal frequency splitter(100) and a demodulator(132). The signal frequency splitter(100) further comprises a frequency synthesizer(150), n-1 first mixers(M12 to M1n), n second mixers(M21,M22 to M2n) and n filters(128), where n is a positive integer larger the 2.
Patent KR-20040047064-A (KR)
Title: Anti-wrinkle cosmetic composition
Inventor: CHAE HUI NAM
IPC: A61K8/97
Filed: 2002-11-29
Abstract: PURPOSE: Provided is an anti-wrinkle and anti-stress cosmetic composition containing the mixed extract of red ginseng and Rhus javanica Linne which scavenges free radicals, has astriction effect, protects cell membrane, proliferates cells and stimulates cell metabolism. Therefore, it makes the skin metabolism smooth. CONSTITUTION: An anti-wrinkle and anti-stress cosmetic composition is characterized by containing 0.01-10%(w/v) of the mixed extract of red ginseng and Rhus javanica Linne. The mixed extract is obtained by dipping red ginseng and Rhus javanica Linne in a solvent selected from the group consisting of distilled water, ethanol, methanol, butanol, acetone, ethylacetate, hexane, propanol, water containing butyleneglycol, and water containing propyleneglycol for 1-30 days at 0-100 deg.C.
Patent KR-20040047486-A (KR)
Title: Preparation of Oxidative Cleavage and Extraction of Fucoxanthin from Sea-weed(Brown algae)
Inventor: JUNG SUN TAEK
IPC: C07D303/14
Filed: 2002-11-28
Abstract: PURPOSE: A method for preparation and extraction of fucoxanthin pigments from seaweeds, especially brown algae is provided, thereby easily preparing and extracting fucoxanthin pigments having improved anticancer and antibiotics activities from seaweeds, especially brown algae. CONSTITUTION: The method for preparation and extraction of fucoxanthin pigments from seaweeds, especially brown algae comprises the steps of: extracting fucoxanthin from seaweeds, especially brown algae using methanol and dichloromethane; subjecting extracted fucoxanthin to HPLC(high performance liquid chromatography) to purify fucoxanthin; dissolving purified fucoxanthin in dichloromethane; reacting fucoxanthin with ozone on dry ice; and subjecting ozone reacted fucoxanthin to silica gel column chromatography and reverse column HPLC, sequentially to obtain carbonyl compounds apo-14', apo-12', apo-10', apo-8' and apo-6'.
Patent KR-20040050736-A (KR)
Inventor: CHAE TAE BYEONG
IPC: G06F13/00
Filed: 2002-12-09
Abstract: PURPOSE: A hardware memory scrubber is provided to shorten scrub time and reduce load by performing the memory scrub with hardware in a memory system of a satellite. CONSTITUTION: A scrub control block(110) generates a scrub execution control signal for executing the scrub of a mass memory control FPGA(Field Programmable Gate Array)(200), a page generating signal for scrubbing each page of a memory, and an address needed for executing the scrub. A multiplexer block(120) transmits the address, the data, and the control signal of the scrub control block to the mass memory FPGA. The scrub control block comprises a control block generating the scrub control signal by checking the time for executing the scrub, an address generating block generating the address needed for the scrub, and a page generating block generating the control signal for selecting the scrub page of a mass memory.
Patent KR-20040051708-A (KR)
Inventor: KIM YEONG SEOK
IPC: C03B37/02
Filed: 2002-12-11
Abstract: PURPOSE: An optical fiber drawing tower equipped with a sealing tube between coating applicator and hardening device is provided to improve free radical reaction and hardening of coated layers by preventing the coated layers of an optical fiber from exposing to air. CONSTITUTION: The optical drawing tower contains the parts of: a furnace(220) for melting an optical fiber preform(210) and drawing optical fibers; a coating applicator(240) for coating the circumference of optical fibers drawn from the melting furnace with liquid type thermosetting resin or UV-hardened resin; a hardening device(260) for hardening the coated layers of optical fibers; a sealing tube, having a hollow cylindrical shape, between coating applicator and hardening device for preventing the coated layers of an optical fiber from exposing to air, wherein the sealing tube contains a N2 purge unit(251) and has N2 atmosphere.
Patent KR-20040053471-A (KR)
Inventor: KIM DEOK YONG
IPC: H01P5/18
Filed: 2002-12-14
Abstract: PURPOSE: A directional coupler in one body with connector is provided to improve a directivity and a productivity by producing an input/an output connector and a directivity coupler with all in one of a coaxial structure. CONSTITUTION: A directivity coupler(300) comprises a housing(310), an input(311b)/an output connector(311c) combined at one part and another part of the housing, a main transmission line(330) passing through a signal by connecting the input/the output connector, and a coupling line inducing a portion of a signal applied at the main transmission line. The housing comprises a body(311a), the input connector extended with all in one at one part of the body, and the output connector extended with all in one at another part of the body.
Patent KR-20040056237-A (KR)
Title: Method for electrical transient analysis
Inventor: HAN MU HO
IPC: G01R27/00
Filed: 2002-12-23
Abstract: PURPOSE: A method for analyzing the effect of a transient phenomena is provided to exactly perform the analysis of the transient phenomena for various frequency bandwidths, thereby allowing the interaction between the loads to be analyzed in response to the measurement data at the same band. CONSTITUTION: A method for analyzing the effect of a transient phenomena includes the steps of: measuring the 3 phase voltage and current changes; generating the event signal in response to the triggering method previously set in the corresponding measurement device if the transient state voltage and current signal are measured at anyone of the target electronic panels and transmitting the event signal to the other measurement devices; storing the data corresponding to the time band; storing the data stored at the measurement devices into the buffers by each channel and analyzing the data based on the information from the divided buffers; and generating the interrupt signal related to the various parameters and programs generated at the analyzed computer and transmitting the generated interrupt signal to the measurement devices.
Patent KR-20040059926-A (KR)
Title: Method for etching polysilicon with high etch selectivity through isotropic dry etch
Inventor: JUNG TAE U
IPC: H01L21/3065
Filed: 2002-12-30
Abstract: PURPOSE: A high selectivity etch method of a polysilicon layer is provided to improve process margin and to reduce loss of an oxide layer by using isotropic dry-etching. CONSTITUTION: A polysilicon layer(2) is deposited on an oxide layer(1), such as PSG(Phosphor Silicate Glass). The polysilicon layer is etched with high selectivity by controlling simultaneously SHF(Super High Frequency) power and RF bias power in isotropic dry-etching. The etching selectivity between the polysilicon layer and the oxide layer is 7 : 1.
Patent KR-20040060457-A (KR)
Title: Method for filtering spam short message of mobile communication terminal
Inventor: KIM YEONG SIM
IPC: H04M3/436
Filed: 2002-12-30
Abstract: PURPOSE: A method for interrupting spam short messages in a mobile terminal is provided to interrupt a short message containing a specific word, previously appointed by a user, according to a desired handling method. CONSTITUTION: A mobile terminal user inputs and sets a specific word to be interrupted, interruption levels for indicating the interruption degrees of short messages, and handling methods for dealing with short messages to be interrupted(S11,S12). If a short message is received(S13), the mobile terminal checks how often the specific word has been used in the received message and determines whether the received message is to be interrupted, based on the interruption levels(S14). In case that it is judged that the received short message is a spam message, the mobile terminal processes it according to a preset handling method(S15).
Patent KR-20040060459-A (KR)
Title: Transmitter using a bluetooth in a wireless lan
Inventor: KIM TAE GWAN
IPC: H04B1/02
Filed: 2002-12-30
Abstract: PURPOSE: A wireless LAN transmitter using Bluetooth is provided to minimize deterioration in the performance of a wireless LAN system, generated due to Bluetooth interference, by measuring the number and RSSIs(Received Signal Strength Indicators) of adjacent Bluetooth modules and controlling the transmission power of the wireless LAN system. CONSTITUTION: A wireless LAN transmitter using Bluetooth consists of an RSSI measurement part(11), an interference signal measurement part(12), a wireless LAN transmission power control part(13), and a wireless LAN transmitting part(14). The RSSI measurement part(11) measures and stores the number of adjacent Bluetooth modules and the RSSIs of the signals received from the adjacent Bluetooth modules. The interference signal measurement part(12) gives a weight factor to the measured number and RSSIs and outputs a regular interference signal level. The wireless LAN transmission power control part(13) compares the interference signal level outputted from the interference signal measurement part(12) with a preset transmission power level and controls wireless LAN transmission power. The wireless LAN transmitting part(14) outputs a transmission signal, based on a wireless LAN transmission power control signal from the wireless LAN transmission power control part(13), to an antenna.
Patent KR-20020013964-A (KR)
Title: Communication terminal apparatus and demodulation method
IPC: H04L1/00
Filed: 2001-05-21
Abstract: A base station apparatus 100 conveys information indicating the ratio of the transmission power of a common known signal (common pilot) included in a common control channel to the transmission power of a signal included in a downlink shared channel to a mobile station apparatus 110-K. Based on this power ratio information, the mobile station apparatus 110-K arranges signal points accurately and performs QAM demodulation with high precision. <IMAGE>
Patent KR-20020053825-A (KR)
IPC: H01J29/07
Filed: 2000-10-20
Abstract: 본 발명의 음극선관은 전자 빔을 방출하는 전자총과, 전자총으로부터 방출되는 전자 빔이 통과하는 복수의 구멍 또는 슬릿이 형성된 마스크와 마스크가 부착되는 프레임을 포함하는 마스크 프레임과, 복수의 구멍 또는 슬릿을 통과한 전자 빔이 주사하는 형광체층이 형성된 패널을 구비하고, 패널은 프레임을 지지하는 스터드 핀을 포함하며, 프레임은 스터드 핀과 감합하는 탄성 지지체를 포함하여, 탄성 지지체의 적어도 하나는 스터드 핀과 감합하는 감합 구멍이 형성되는 감합부와, 스터드 핀과 접하는 탄성부를 포함하고, 탄성부는 마스크 프레임가 진동할 때, 마스크 프레임의 진동을 감쇠하는 마찰력이 발생하도록 스터드 핀과 마찰된다.
Patent KR-20020063204-A (KR)
Title: Modified polytrimethylene terephthalate
IPC: C08G63/80
Filed: 2000-12-15
Abstract: The present invention provides poly(trimethylene terephthalate) copolymerized with ester-forming sulfonate and a fiber thereof. The polymer of the present invention is high in melting point, small in loss of melting viscosity and has a high molecular weight. The fiber of the present invention is high in toughness, excellent in whiteness and dyeable with a cationic dye, whereby it is useful for clothing, carpets or non-woven sheets, etc.
Patent KR-20020073523-A (KR)
IPC: H04M1/18
Filed: 2001-01-31
Abstract: 휴대용 통신 장치는 종래 기술에 비해 향상된 내충격성을 갖는 케이스 몸체를 갖는다. 휴대용 통신 장치(1)의 케이스(2)의 적어도 한 부분은 금속으로 제조된다. 케이스(2)가 전면 케이스 부재(4)와 후면 케이스 부재(5)로 구성될 때 그들 중 적어도 하나는 금속으로 제조된다. 이 경우, 회로 모듈(3)과 상기 후면 케이스 부재(5)는 상기 전면 케이스 부재(4)에 동일한 종류의 나사를 통해 고정된다.
Patent KR-20020092949-A (KR)
Title: 내시경의 소독방법
IPC: A61L2/20
Filed: 2001-02-09
Abstract: 도관을 가지는 중공의 내시경을 소독하는 방법을 설명한다. 내시경도관의 한 끝단은 밀봉된 용기에 연결되어, 내시경도관은 상기 밀봉된 용기와 유체전달을 할 수 있다. 내시경은 소독챔버내에 위치되고 챔버는 밀봉된다. 소독챔버는 챔버내의 압력이 변하는 소독사이클이 수행된다. 소독챔버내의 압력변화 중에, 소독가스, 즉 오존은 소독챔버로부터 내시경도관을 통하여 용기내로 뿜어진다. 압력변화 중에, 내시경의 내부표면은 내시경의 외부표면과 함께 소독상태에 놓인다.
Patent KR-20020079898-A (KR)
Title: 냉각부재 및 냉각부재의 제조방법
IPC: F27D1/00
Filed: 2001-02-21
Abstract: 특히 노를 위해 구성된 냉각부재로서, 상기 부재는 주로 구리로 구성되는 하우징 (1) 과, 상기 하우징에 냉각매체의 순환을 위해 채널 시스템 (6) 을 구비한다.    상기 부재 하우징 (1) 의 표면의 적어도 일부에는 확산 결합에 의해 내부식성 표면층 (2) 이 배치된다.    본 발명은 또한 냉각부재에서 상기 표면층을 배치하는 방법에 관한 것이다.
Patent KR-20020093006-A (KR)
Title: 알칼리금속 플루오르 아연산염 및 그 제조방법
IPC: C01G9/00
Filed: 2001-03-28
Abstract: 본 발명은 알칼리금속 플루오르 아연산염, 특히 칼슘 플루오르 아연산염을 제조하는 새로운 방법이 개시된다. 입자 크기의 범위에 따라 정의되는 제조물들은 칼슘 수산화물, 산화아연 그리고 플루오르화 수소의 요소들을 제공하는 일련의 과정을 통해서 얻어진다. 이렇게 하여 제조된 칼슘 플루오르 아연산염은 특히 알루미늄 용접시에 융제 또는 융제의 첨가제로서 적합하고, 상기의 칼슘 플루오르 아연산염의 입자크기에 따라서 습식 또는 건식 융제로서 사용될 수 있다.
Patent KR-20020095225-A (KR)
Title: Reduced complexity intercarrier interference cancellation
Filed: 2002-01-16
Abstract: Described is a transmission system for transmitting a multicarrier signal from a transmitter (10) to a receiver (20). The multicarrier signal comprises a plurality of subcarriers. The receiver (20) comprises a channel estimator (28) for estimating amplitudes of the subcarriers and for estimating time derivatives of the amplitudes. The receiver (20) further comprises an equalizer (24) for canceling intercarrier interference included in the received multicarrier signal in dependence on the estimated amplitudes and derivatives (29). The channel estimator (28) comprises a reduced complexity filter for deriving vectors of the estimated amplitudes and derivatives (29) from vectors of received symbols (23) and vectors of estimated symbols (27). The reduced complexity filter may be arranged for exploiting an amplitude correlation between the amplitudes of different subcarriers and/or for exploiting a derivative correlation between the derivatives of different subcarriers.
Patent KR-20020095243-A (KR)
Title: Thermal Transfer of Crosslinked Materials
Filed: 2000-08-24
Abstract: The present invention provides a thermal transfer donor element that includes a transfer layer comprising a fully or partially crosslinked material. The crosslinked transfer layer can be image wise transferred from the donor element to a proximate receptor by imaging the donor element with radiation that can be absorbed and converted into heat by a light-to-heat converter included in the donor element. The heat generated during imaging is sufficientto effect transfer of the crosslinked transfer layer.
Patent KR-20030013439-A (KR)
IPC: B65B55/10
Filed: 2001-06-22
Abstract: 장벽 층 형성 원료(장벽 재료 선구 가스)를 용기의 내부에 공급하는 것, 상기 내부를 고에너지 광선으로 조사하는 것, 이것에 의해 장벽 층을 용기의 내부면에 형성하는 동시에 용기의 내부를 살균시키며, 그리고 액체 식품을 충전하기 전에 또는 액체 식품을 충전하는 동안 잔여 장벽 재료 선구 가스 및 부산물 가스를 용기로부터 배출하는 것을 포함하는 충전 방법; 상기 방법을 실시하는 장치. 
     상기 방법은 용기 내부에서 가장자리, 홈, 틈새 및 갭을 커버하는 연속 장벽 층의 형성, 및 액체 식품의 충전을 통해 용기로부터 잔여 장벽 재료 선구 가스 및 부산물 가스의 자동적이고 효과적인 배출을 허용한다. 또한, 상기 방법은 조사를 통해 용기의 내부를 고에너지 광선으로 살균하는 것 그리고, 그 후 즉시 무균 상테에서 액체 식품을 충전하는 것을 포함하기 때문에 과산화수소와 같은 화학 살균제를 사용할 필요성이 없다.
Patent KR-20040064795-A (KR)
Inventor: CHO JONG UN
IPC: A01N65/12
Filed: 2003-01-10
Abstract: PURPOSE: Provided is a herbicide which contains an extract of Ligularia stenocephala M. or a weedkilling material derived therefrom, and is used as a natural agricultural medicine to kill weeds, such as finger grass, barnyard millet and Solanum nigrum. CONSTITUTION: The herbicide comprises an extract of Ligularia stenocephala M., and an agriculturally allowable carrier. The herbicide further comprises benzofuran derivatives of Ligularia stenocephala M., such as 5,6-dimethoxy-2-isopropenylbenzofuran expressed of formula 1, 5,6-dimethoxy-2-acetylbenzofuran of formula 2, 5-acetyl-2-isopropenylbenzofuran of formula 3, 5,6,7,8-tetrahydro-3-hydroxy-7-(1-methylethenyl)-1-naphthalene carboxaldehyde of formula 4, hydroxy tremethon of formula 5, toxol of formula 6 and hydroxyplatyphyllid of formula 7, and chlorogenic acid derivatives thereof such as 3,5-dicaffeoylquinic acid, and 3,4-dicaffeoylquinic acid.
Patent KR-20030061688-A (KR)
Title: 축류피스톤식 유체기계
IPC: F04C9/00
Filed: 2003-01-14
Abstract: 본 발명의 과제는 피스톤 펌프 및 피스톤 모터의 축류피스톤(axial piston)에 있어서 슈(shoe)와 피스톤의 요동각을 크게 하는 것이다. 
     본 발명은 상기해결수단으로서 연결부재와 피스톤(6)이 회전운동이 가능하게 연결되어 있는 연결부에 있어서 연결부재의 회동에 의한 피스톤(6)과 간섭하는 부위에 방출부(escape)(18)를 형성한다.
Patent KR-20040067571-A (KR)
Inventor: KWON UN TAE
IPC: E21B33/13
Filed: 2003-01-24
Abstract: PURPOSE: A pollution protective system of a tubular well for the underground water development is provided to prevent the inflow of pollutants to a tubular well. CONSTITUTION: The pollution protective system of a tubular well(100) for the underground water development contains: an anti-breaking device(200) interposed to a soil layer(100a) which borders on a bedrock layer(100b) to prevent the breaking of soil; a backing member(300) formed in the granular type and filled up to the appointed height of the bedrock layer(100b); and a pollution protective wall(500) supported by the backing member(300) and formed to the bedrock part, where the backing member(300) is filled up from the surface where the tubular well(100) is formed by curing the concrete surface, by discharging the backing member(300) from the tubular well(100) using a high-pressure discharge device(700).
Patent KR-20040070687-A (KR)
Inventor: CHOI HYUN WOO
IPC: A61K35/66
Filed: 2003-02-04
Abstract: PURPOSE: A composition including microorganism obtained by culturing lactic acid bacteria or yeast in a medium of soybean refuse(Beeji), glutinous rice or rice bran is provided. It exhibits better blood-glucose lowering actions than animal lactic acid bacteria drinks available on the market. CONSTITUTION: The pharmaceutical composition for prevention and treatment of diabetics contains microorganism having antidiabetic activity and a nutritionally acceptable food supplementary additive. The microorganism is prepared by culturing lactic acid bacteria or yeast in a medium of soybean refuse(Beeji), glutinous rice or rice bran. The lactic acid bacteria are Lactobacillus fermentum, the yeast is Pichia kluyveri.
Patent KR-20040073012-A (KR)
Title: Method for reproducing audio and image in digital recorder
Inventor: KIM NAM YEONG
IPC: G11B20/10
Filed: 2003-02-12
Abstract: PURPOSE: A method for reproducing audio and image in a digital recorder is provided to show various images while listening to wanted audio by reproducing images files while reproducing audio files. CONSTITUTION: A microcomputer(12) controls an OSD(On Screen Display) generator(14) to output audio file list information to an OSD picture. If a user selects an 'image display' menu, the microcomputer controls a PIP(Picture In Picture) generator(110) to output a PIP image formed of a reproduced image and an OSD image. If the user selects an 'audio file list' menu in a state the PIP image is displayed, the microcomputer outputs audio file list information to the OSD picture.
Patent KR-20040078479-A (KR)
Inventor: KIM JIN HONG
IPC: G11B7/26
Filed: 2003-03-04
Abstract: PURPOSE: A fabrication method of a stamper for an optical disk is provided to use two laser beams while photosensitizing a photosensitive film, and not to photosensitize a groove which will have disk information/address information, to omit the process for making a mother stamper, thereby simplifying a fabrication process. CONSTITUTION: A photosensitive film(45) is applied to a glass plate(40). By simultaneously irradiating the first laser beam and the second laser beam at a predetermined groove width interval on the glass plate(40) while rotating the glass plate(40), the photosensitive film(45) is exposed. The exposed photosensitive film(45) is developed. After depositing a metal on the photosensitive film(45) in predetermined thickness, the patterned metal is separated so as to be relative to concavo-convex parts of the photosensitive film(45), then the separated metal is defined by a stamper(52).
Patent KR-20040078525-A (KR)
Inventor: JUNG JUN HWAN
IPC: C04B35/495
Filed: 2003-03-04
Abstract: PURPOSE: Provided is a microwave dielectric ceramic composition of the Ba(Zn1/3Nb2/3)O3-Ba(Co1/3Nb2/3)O3-Ba(Ni1/3Nb2/3)O3-BaWO4 system having a high dielectric constant, large Q value and low temperature coefficient of resonant frequency. CONSTITUTION: The dielectric ceramic composition for producing dielectric resonator or filter for microwave application is expressed by a composition formula of Ba(Zn1/3Nb2/3)O3-Ba(Co1/3Nb2/3)O3-Ba(Ni1/3Nb2/3)O3-BaWO4, wherein x, y and z are in the ranges of 0<=x<=0.9 mole, 0<=y<=0.9 mole and 0<=z<=0.3 mole. BaWO4 for high quality factor and low temperature sintering, and Ba(Co1/3Nb2/3)O3 and/or Ba(Ni1/3Nb2/3)O3 for low temperature coefficient of resonant frequency are added to Ba(Zn1/3Nb2/3)O3, dielectric ceramic composition. The resultant composition has 30-40 of dielectric constant, more than 55,000 of Q value and controllable temperature coefficient of resonant frequency of -10 to 20.