baber/WOPTO huggingface dataset:
Patent KR-20030031687-A (KR)
Title: Portable guidance apparatus for overall information
Inventor: LEE DONG HUI
IPC: G08G1/09
Filed: 2001-10-15
Abstract: PURPOSE: A portable apparatus for guiding integrated services is provided to guide local information as well as traffic information of a corresponding region by using the position information received from a GPS satellite. CONSTITUTION: A GPS reception portion(110) receives the position information of a transportation from a GPS satellite(300). A map database(120) is used for storing map data. A guide database(130) is used for storing guide data corresponding to traffic data and local data. A decision portion(140) decides the presence of the traffic data or the local data of a corresponding region on the basis of the present position of the corresponding transportation. A guide data output portion(150) outputs the guide data corresponding to the traffic data and the local data of the decision portion(140). A direction detection portion(160) grasps the moving direction of the corresponding transportation and outputs a signal to the decision portion(140). An update portion(170) receives the changed map data or the changed guide data and updates map database(120) and the guide database(130).
Patent KR-20020030033-A (KR)
Inventor: YAMAMOTO MASAYUKI
IPC: F16C39/06
Filed: 2001-10-16
Abstract: PURPOSE: A magnetic bearing apparatus is provided to reduce vibration caused by the unbalance of magnetic force generated in a motor portion due to run-out of a rotor by detecting run-out of the motor accurately, and to improve efficiency by decreasing the size of the magnetic bearing apparatus. CONSTITUTION: The vibration of a rotor(1) is detected by a radial direction sensor(4a) mounted for controlling a magnetic bearing. The vibration in the motor portion is inferred from the run-out of the rotor detected with the radial direction sensor by using the geometric positional relationship between the rotor and the radial direction sensor. The relationship between the unbalance amount of the magnetic force and the amount of run-out of the rotor in the motor portion is formed into the database through experiments or simulation in advance, and the unbalance amount of magnetic force is obtained from the database. The magnetic force resisting the unbalance amount of the magnetic force is generated to offset the unbalance amount.
Patent KR-20030032402-A (KR)
Title: Thin Film Piezoelectric Element and Manufacture Method of The Same
Inventor: KIM HEUNG RAE
IPC: H03H9/15
Filed: 2001-10-18
Abstract: PURPOSE: A piezoelectric thin film resonator and a fabrication method thereof are provided to increase a production yield through an easy fabrication process. CONSTITUTION: According to the piezoelectric thin film resonator, a bottom electrode(10) is formed in a fixed pattern on a substrate(2). A top electrode pad part(14) is formed on the same substrate as the above bottom electrode so that it is not disconnected each other. A piezoelectric thin film(20) is formed on a part of the top electrode pad part and on the bottom electrode. A top electrode(30) is formed on the above piezoelectric thin film. And a connection part(32) is formed by being prolonged projectedly toward the top electrode from the top electrode in a body and connects the top electrode pad part and the top electrode.
Patent KR-20030034496-A (KR)
Title: Semiconductor memory device capable of implementing first or second memory architecture and memory system using the same
Inventor: KYUNG GYE HYEON
IPC: G11C7/10
Filed: 2001-10-23
Abstract: PURPOSE: A semiconductor memory device and a memory system adopting the semiconductor memory device are provided to easily change a memory architecture, and to enhance a redundancy flexibility so that it can reduce a power consumption. CONSTITUTION: The device comprises the first memory group(301), the second memory group(302) and DQ(Data qualifier) pins(310, 320). Each memory group(301, 302) includes four memory banks(B0-B3). Each memory bank outputs eight pieces of data. The eight pieces of data are output to sixteen DQ pins(310, 320) via sixty-four data lines. The number of the actually used data lines is thirty-two. Namely, the eight pieces of data, output by each memory bank(B0-B3), of the first memory group(301) are output to the eight DQ pins(310) via the data bus lines, and the eight pieces of data, output by each memory bank(B0-B3), of the second memory group(302) being output to the eight DQ pins(320) via the data bus lines.
Patent KR-20030034973-A (KR)
Title: Discharge structure of compressor valve assembly
Inventor: AHN GWANG HYEOP
IPC: F04B39/10
Filed: 2001-10-29
Abstract: PURPOSE: A discharge structure of a valve assembly for a hermetic reciprocating compressor is provided to reduce impact noise. CONSTITUTION: Curved parts(105a) are formed on both ends of a retainer(105) to be bent downward. Round parts(101c') are formed on an inside of a valve mounting groove(101c) to face the curved parts. A space reducing part(107) is formed to be narrower than an outlet side of a discharge hole(106) thereby to reduce strength of shockwave of refrigerant discharged through a gap between the curved parts and the round parts.
Patent KR-20030038197-A (KR)
Title: Method of making extra fine labels and taffeta labels using a stain machine
Inventor: YEO SANG DO
IPC: D03D35/00
Filed: 2001-11-09
Abstract: PURPOSE: A manufacturing method of labels of superfine weave and plain weave using a satin weaving machine is capable of increasing productivity, increasing operation ratio and improving quality. CONSTITUTION: A manufacturing method of a label of plain weave comprises the steps of: dividing a warp into a lower layer and an upper layer; inserting melt-yarn at proper between the lower layer and the upper layer; and passing the label through a heat plate to melt the melt-yarn. The manufacturing method of a label of superfine weave comprises the steps of: manufacturing a label out of a warp and a weft having 40-50denier; making a structure graph for weaving the label; and then weaving the label having 76-82number of density using 89-94numbers of a high density gear.
Patent KR-20030042077-A (KR)
Title: Transflective LCD with High Light Efficiency and Simple Process
Inventor: NOH BONG GYU
IPC: G02F1/1335
Filed: 2001-11-20
Abstract: PURPOSE: A semi-transmissive liquid crystal display device with high photo-efficiency, fabricated in the simple procedure is provided to remove the step of forming a transparent conductive film for simplifying the fabricating procedure, and reduce the dependency upon the wavelength of light in the reflection and transmission for improving the color reproducibility. CONSTITUTION: A semi-transmissive liquid crystal display device with high photo-efficiency, fabricated in the simple procedure includes a metal reflecting film formed of aluminum and having etched parts to serve for transmission and non-etched parts for reflection. The etched parts have a width or diameter of 6 micrometer or less and transmit the light(42) emitted from a backlight, and the non-etched parts reflect the external light(43). An angle formed between a rubbing direction of an alignment film and a short axial direction of the etched parts is less than 20°.
Patent KR-20030042778-A (KR)
Title: Multi-Level Inverter and its excitation control for SRM Drive
Inventor: AHN JIN U
IPC: H02P25/08
Filed: 2001-11-24
Abstract: PURPOSE: A multi-level inverter is provided to be capable of generating a 5-level voltage by arc-suppressing current by a high demagnetizing voltage so as to increase a conduction rate. CONSTITUTION: A multi-level inverter generates many excitation voltages using an inverter for driving a switched reluctance motor while maintaining the same number as switching elements of conventional asymmetric bridge inverters. The inverter has five excitation voltages such as a C-dump voltage, a DC link voltage, a zero voltage, a negative DC link voltage, and a negative C-dump voltage.
Patent KR-20020041781-A (KR)
Inventor: MORY BENOIT
IPC: G06K9/62
Filed: 2001-11-28
Abstract: PURPOSE: A dividing method for object group and a retrieval method in one section of object group are provided to divide a set of objects particularly well adapted to the search for objects. CONSTITUTION: A partitioning method of partitioning a set of objects comprising a first iterative partitioning step(S0-S3) which utilizes a first partition formed by classes that contain an object and which at each iteration combines two classes that maximize a criterion of similarity for creating a new partition(Pi+1) used as an initial partition for the next step, until a partition(PN-1) is obtained that contains only a single class, a selection step(S4) of selecting from the obtained partitions, a partition(PY0) which comprises an optimal number of classes, characterized in that it comprises a step(S6) of calculating elements(Y0, j) which are representative of classes of the selected partition, a second iterative partitioning step(S7, S8) which utilizes the selected partition as a first current partition(PYi) and which, at each iteration(i), creates a new partition(PYi+1) by associating each object of the set(X) with the element which represents the current partition(Yi, j) it is closest to, and calculates elements(Yi+1, j) which are representative of classes of the new partition(PYi+1), the new partition forming the current partition for the next iteration, until the elements which are representative of the new partition are identical with the elements which are representative of the current partition(Yi+1, j=Yi, j).
Patent KR-20030048595-A (KR)
Title: Apparatus for level compensating of tension leveller back-up roll
Inventor: CHOI HYEON JUN
IPC: B21B37/00
Filed: 2001-12-12
Abstract: PURPOSE: An apparatus for compensating level of back-up rolls in tension leveller is provided to prevent generation of spalling in advance by preventing one sided abrasion of the back-up rolls. CONSTITUTION: In an apparatus for compensating level of back-up rolls in tension leveller by which strip (S) is curled, the apparatus comprises compensation rolls(100) installed at the lower part of the back-up rolls(20) to press the back-up rolls; a lowerable and liftable part comprising shaft for axially supporting the compensation rolls with being penetrated into the compensation rolls, and driving cylinders(200,210) connected to the lower part of the shaft to lower and lift the compensation rolls; and an elastic supporting part comprising lower bush installed on the upper part of the shaft, back-up roll supporting stand for supporting the back-up rolls, and spring installed between the lower bush and back-up roll supporting stand to closely adhere the back-up rolls(20) to work roll(10), and wherein the center of the outer circumferential surface of the compensation rolls(100) is formed in a convex shape.
Patent KR-20030048651-A (KR)
Title: Rate Settlement System
Inventor: KIM DONG JOON
IPC: G06Q20/16
Filed: 2001-12-12
Abstract: PURPOSE: A system for settling a charge is provided to make the cash flow of a goods supplier by enabling a customer to buy the goods from the goods supplier on credit and enabling the goods supplier to receive the settlement promptly as intermediating a mobile communication company and a credit card company between the customer and the goods supplier. CONSTITUTION: The communication company(10) provides a communication service to the customer(2). The goods supplier(20) provides the goods to the customer(2), is equipped with a reader(4) reading a non-contact type settlement tool(3) of the customer(2), and cooperates with the communication company(10). The credit card company(30) pays the goods buying charge to the goods supplier(20) on credit by giving the credit to the communication company(10) based on the credit relation between the communication company(10) and the customer(2) using a communication terminal(3A) of the communication company(10), and collects the goods buying charge from the communication company(10).
Patent KR-20030052553-A (KR)
Title: Polypropylene Resin Composition Having Good Coating Property
Inventor: CHAE GYEONG SEOK
IPC: C08L23/12
Filed: 2001-12-21
Abstract: PURPOSE: A polypropylene resin composition is provided, to enable the composition to be coated with a sufficient adhesive strength even by direct coating without using a primer and to improve the molding appearance, the impact resistance and the lightweightness. CONSTITUTION: The polypropylene resin composition comprises 60-80 wt% of crystalline polypropylene; 10-30 wt% of ethylene-propylene-based copolymer rubber; 3-10 wt% of polyolefin-graft-vinyl copolymer; and 1-5 wt% of azodicarbonamide-based foaming agent. Preferably the crystalline polypropylene has a melting index of 1-80 g/10 min (ASTM D1238, 230 deg.C); the ethylene-propylene-based copolymer rubber comprises ethylene and propylene in the ratio of 70:30 to 80:20 by weight, and has a Mooney viscosity of 10-100 (ML1+4, 100 deg.C) and a melting index of 0.5-25 g/10 min; and the polyolefin-graft-vinyl copolymer comprises polyolefin and vinyl copolymer in the ratio of 60:50 to 80;20 by weight and has a molecular weight of 5,000-8,000 and a graft ratio of 50 % or more.
Patent KR-20030054275-A (KR)
Title: Method for forming isolation of semicondctor device
Inventor: JUNG IN CHEOL
IPC: H01L21/76
Filed: 2001-12-24
Abstract: PURPOSE: A method for forming an isolation layer of a semiconductor device is provided to be capable of preventing the attenuation of device characteristics by forming a trench after implanting doped dopants into a silicon substrate. CONSTITUTION: After sequentially depositing a pad oxide layer(21) and a pad nitride layer(22) on the upper portion of a silicon substrate(20), a photoresist pattern(23) is formed on the resultant structure. A doped region(24) is formed in the silicon substrate by carrying out an ion implantation using the photoresist pattern as a mask. A trench is formed by selectively etching the resultant structure using the photoresist pattern as an etching mask. Then, a sacrificial oxide layer is formed by carrying out an oxidation at the trench. After depositing a gap fill oxide layer on the resultant structure, a CMP(Chemical Mechanical Polishing) process is carried out.
Patent KR-20030054823-A (KR)
Title: Apparatus and Method for Detecting Loss and Packet Data Double in Mobile Communication System
Inventor: CHO YEONG IL
IPC: H04B7/26
Filed: 2001-12-26
Abstract: PURPOSE: A method for detecting packet data overlapping and loss in a mobile communication system is provided to detect the packet data overlapping and the loss when transmitting packets from a forward link, and to increase utility of time slots through overlapping prevention and loss detection while transmitting the packets, thereby increasing the number of users as improving quality. CONSTITUTION: If a new slot starts(410), a mobile communication system decides whether a slot to be transmitted is a start of an optional packet while giving sequential numbers(420). If so, the mobile communication system attaches a sequential number 1(430). If the slot to be transmitted is not the start of the optional packet, the mobile communication system confirms how many slots are transmitted(440). The mobile communication system completes the transmission by attaching '+1' to a number of the confirmed slot. A receiver confirms a sequential number of the received slot, and confirms whether the slot is overlapped or lost. If so, the receiver transmits the number of the slot to a transmitter.
Patent KR-20030057212-A (KR)
Inventor: KIM GYEONG HWA
IPC: H01R33/76
Filed: 2001-12-28
Abstract: PURPOSE: A memory module socket is provided to reduce abrasion of a contact pad and contact part using a streamlined contact pin and allow the contact pad and contact part to come into contact with each other smoothly according to elastic force of the contact pin. CONSTITUTION: A memory module socket(42) has a housing having a groove(44) into which a memory module is inserted and from which the memory module is separated. A plurality of contact pins(40) are included in the groove. The contact pins are electrically connected with a plurality of contact pads of the memory module, respectively. The plurality of contact pins easily comes into contact with the contact pads according to its elasticity when the memory module is inserted into the groove. Each of the contact pins has a streamline shape and made of BeCu.
Patent KR-20010072972-A (KR)
Title: 방직기용 급사구
IPC: D04B15/48
Filed: 1999-08-13
Abstract: 본 발명은 적합하게는 세라믹 재료로 제조되거나 유사한 물질로 코팅되는 얀 공급 휠을 포함하는 급사구(1)에 관한 것이다.  사용되는 재료 및/또는 형상에 기인하여, 얀 공급 휠은 개선된 연속 작동 특성을 나타낸다.  상기 형상 및/또는 재료는 높은 내마모성을 갖는다.  이는 세라믹 표면 및/또는 원추형의 연속적인 얀 도입 표면(24)과 얀 저장 영역(26) 내의 인접한 스트립 형상 지지 표면(25) 및, 얀 배출 영역 내의 연속적인, 즉 방해받지 않는 표면의 조합에 의해 성취된다.  상기 표면들은 얀이 도입 영역으로부터 배출 영역까지의 경로를 따라 전체 축방향 경로에 걸쳐 대응하는 표면들(24,25,36)을 따라 이동하도록 성형된다.  얀 저장 영역 내의 얀(2)의 스트립 형상 지지 표면은 저장 영역 내의 얀 공급 휠(17)의 적합한 형상에 의해 성취된다.  얀 공급 휠 내에 개구 또는 슬릿 등이 반드시는 아니지만 제공될 수 있다.
Patent KR-20010073158-A (KR)
Title: 카드 프린터 및 엔코더
IPC: G06K13/07
Filed: 1999-09-10
Abstract: 본 발명은 카드 인쇄 및 엔코딩 장치(13A)에 관한 것으로, 이 장치는 사람을 식별하는 정보(19)를 카드에 인쇄하도록 제공되며, 이 장치에는 2개의 엔코딩 스테이션(66, 82)이 포함되는데, 그 중 하나(66)는 카드(19)에 심어진 스마트 카드 칩을 엔코딩하는 것이고, 다른 스테이션(82)은 카드(19) 상의 자기 스트립을 엔코딩하는 것이다.  카드 지지부 및 구동 롤러(18, 20, 58, 60)는 카드를 지지하고, 카드는 그 평면으로부터 굽혀져 스마트 카드 엔코딩 스테이션(66)의 접점(76)과 접촉한다.  자기 스트립을 엔코딩하는 자기 헤드(82)는 탄성력 하에 스마트 카드 엔코딩 스테이션으로부터 카드(19)의 반대측에 대해 유지된다.  회전 가능한 인쇄 압반(32)에 대한 프린트 헤드(30)의 적재는 카드 구동부 및 지지 롤러(18, 20, 58, 60)와 동기되게 제어되어, 카드 구동부와 지지 롤러(18, 20, 58, 60)가 해제되고 카드(19)는 인쇄 공정 중에 회전 가능한 프린트 헤드 압반(32)에 의해서만 구동된다.
Patent KR-20010080292-A (KR)
Filed: 1999-10-11
Abstract: 리그닌을 여전히 함유한 펄프 또는 종이, 특히 화학기계적 또는 열기계적 펄프 또는 종이는, N,N-디알킬히드록실아민, 에스테르, 아미드 또는 티오 치환된 N,N-디알킬히드록실아민 또는 N,N-디벤질히드록실아민 또는 그들의 암모늄염을 안정화 유효량만큼 함유함으로써 황화에 대한 내성이 증대된다. 이러한 물성은, 자외선 흡수제, 중합성 개시제, 나이트론, 형광백색제 및 금속 킬레이트제로 이루어진 군으로부터 선택된 하나 이상의 공첨가제의 존재에 의해 더욱 증대된다. 히드록실아민 또는 그들의 염, 벤조트리아졸 또는 벤조페논 자외선 흡수제 및 금속 킬레이트제의 결합물은 특히 유효하다. N,N-디에틸히드록실아민 및 N,N-디벤질히드록실아민 및 그들의 산염은 이러한 목적에 있어서 놀라울 정도로 유효하다.
Patent KR-20010080574-A (KR)
IPC: H01L21/311
Filed: 2000-03-06
Abstract: 본 발명에 따르면, 불소 첨가 카본막(102) 상에 SiF 4 와 C 2 H 4 를 소스 가스로 한 화학 기상 성장법에 의해 SiC로 이루어지는 무기 절연막(103)을 형성한다. 수소(H)를 포함하지 않은 SiF 4 와 CF 4 를 소스 가스로 함으로써 하드 마스크(113)를 형성하는 무기 절연막(103)내로의 H의 결합이 억제된다. 이에 따라, 무기 절연막(103)에서 외측으로 확산된 H가 불소 첨가 카본막(102) 중의 불소(F)와 결합하여 HF를 형성하여, 이 HF가 무기 절연막(103) 등을 부식하는 것이 억제된다. 이 때문에, 무기 절연막(103)으로 형성된 하드 마스크(113)와 불소 첨가 카본막(102) 등의 다른 층과의 밀착성의 열화를 억제할 수 있게 된다. 1c
Patent KR-20030022660-A (KR)
IPC: C09D129/00
Filed: 2001-05-21
Abstract: 본 발명은 고농도이며, 충분한 착색성을 가지고, 졸-겔법에 적합하게 사용될 수 있는 귀금속 또는 구리의 콜로이드 알코올 용액, 및, 그 제조방법, 용액조정방법, 그리고 상기 귀금속 또는 구리의 콜로이드 알코올 용액, 또는, 귀금속 또는 구리의 콜로이드 용액을 이용하여 이루어지는 코팅용 조성물과 이를 이용한 무기 피막 및 무기 피막 형성방법을 제공한다.  본 발명은 귀금속 또는 구리의 콜로이드 입자 및 고분자량 안료 분산제를 포함하는 귀금속 또는 구리의 콜로이드 알코올 용액이며, 상기 알코올의 탄소수는 1-4이고, 상기 고분자량 안료 분산제는 하기 수학식(1) 또는 (2)를 만족시키는 것을 특징으로 하는 귀금속 또는 구리의 콜로이드 알코올 용액이다.   (1) A ≥3 ㎖이며 3 ㎖ ≤B ≤40 ㎖, (2) 0.25 ≤A/B ≤4.5 
     〔상기 수학식 중, A 및 B는 각각, 상기 고분자량 안료 분산제 0.5 g을 아세톤 10 ㎖에 용해시킨 아세톤 용액에 물 또는 헥산을 각각 첨가하는 경우에 있어서의, 상기 아세톤 용액이 백탁될 때까지의 상기 물의 첨가량(㎖), 및, 상기 아세톤 용액이 백탁될 때까지의 상기 헥산의 첨가량(㎖)이다.〕
Patent KR-20020008126-A (KR)
Title: 운송 시스템에 있어서 동력 레일 및 가이드빔 어셈블리
IPC: B60M1/30
Filed: 2000-03-10
Abstract: 운송 시스템에 사용되는 동력 레일 및 가이드빔 어셈블리(10)는 운송 시스템에서 운송수단을 움직이도록 전기적인 동력을 전달한다.  동력 레일 및 가이드빔 어셈블리는 H형의 몸체(14)를 갖는 가이드빔(12)을 포함한다.  가이드빔(12)의 몸체는 웹(20)에 의해 상호연결되는 두개의 플랜지(16,18)에 의해 형성된다.  설치 브라켓(30)이 웹에 체결되고, 설치 브라켓(30)은 적어도 하나의 귀(54) 및 기저부를 포함한다.  동력 레일(26)은 설치 브라켓의 적어도 하나의 귀(54)에 체결된다.  동력 레일은 설치 브라켓(30)에 의해서 가이드빔(12)으로부터 전기적으로 절연된다.  가이드빔(12)은 바람직하게는 접지된다.
Patent KR-20020012178-A (KR)
Title: Page-width printhead
IPC: B41J2/01
Filed: 2000-04-20
Abstract: A page-width printhead for an ink printer. The printhead (102) comprises a series of individual printhead elements (110, 112), each having an array of ink ejection nozzles (7) formed therein. The series of printhead elements extends substantially across the width of the printhead, with respective end portions of adjacent elements (104, 106) being located side by side in overlapping relationship. A dithering unit (114) is provided for controlling the ejection of ink from the ink ejection nozzles of the printhead elements and the dithering unit is arranged, in use, to provide an overlap dithering matrix for a pair of the respective end portions.
Patent KR-20030060005-A (KR)
Inventor: CHOI SEONG O
IPC: F24F11/02
Filed: 2002-01-05
Abstract: PURPOSE: A method for controlling driving of an air conditioner for a bathroom is provided to keep the bathroom comfortable. CONSTITUTION: A method comprises the steps of: a first step sensing current temperature and humidity of a bathroom; a second step comparing the temperature and the humidity sensed in the first step with preset reference temperature and reference humidity; a third step executing cooling and dehumidifying operation if the sensed temperature and the sensed humidity are higher than the reference temperature and the reference humidity, respectively; a fourth step executing blowing operation if the sensed temperature is higher than the reference temperature and the sensed humidity is lower than the reference temperature; a fifth step executing constant temperature and dehumidifying operation if the sensed temperature is lower than the reference temperature and the sensed humidity is higher than the reference temperature; and a sixth step switching to stand-by mode to stop operation if the sensed temperature and the sensed humidity are lower than the reference temperature and the reference humidity, respectively.
Patent KR-20030063614-A (KR)
Title: An aromatic resin composition having improved maintaining-aroma, preparing method thereof and article using the same
Inventor: KIM DAE SEOK
IPC: C08K13/00
Filed: 2002-01-23
Abstract: PURPOSE: A delayed release aromatic resin composition, its preparation method and a product using the composition are provided, wherein the composition shows an excellent aroma persistence, a strong aromatic and a high stability at a high temperature. CONSTITUTION: The aromatic resin composition comprises 100 parts by weight of a synthetic resin; and 0.5-70 parts by weight of a solid aromatic. The solid aromatic comprises 100 parts by weight of a mixture comprising 30-80 wt% of a perfume carrier and 20-70 wt% of a perfume base; and 0.05-5.0 parts by weight of a coating agent. Preferably the perfume carrier is at least one selected from the group consisting of silica, silica gel, zeolite, a porous polypropylene resin, an ethylene vinyl acetate resin, dextrin and gum; and the coating agent is vinyltrimethoxysilane, vinyltriethoxysilane, 3-chloropropyltrimethoxysilane or 3-methacryloxypropyltrimethoxysilane.
Patent KR-20030069232-A (KR)
Title: Diterpene derivatives and anti-inflammatory analgestic agents comprising the same
Inventor: CHAE HUI SEONG
IPC: C07D263/06
Filed: 2002-02-04
Abstract: PURPOSE: Diterpene derivatives and anti-inflammatory analgesic agents comprising the same are provided, which compounds effectively inhibit TNF-α(tumor necrosis factor-alpha), NO, NFk B(nuclear transcriptional factor kappa B) and interleukin-1. CONSTITUTION: A diterpene derivatives represented by the formula 3 are provided, wherein R is imidazolylcarbonyl, 2,5-dioxooxazolidin-3-ylcarbonyl, methoxymethyl, methoxybenzyloxymethyl, tetrahydropyranoxymethyl, hydroxymethylvinyl, imidazolylcarbovinyl, imidazolylcarboethyl, hydroxypropanyl, methoxypropanyl, methoxybenzyloxypropanyl, tetrahydropyranoxypropanyl, imidazolylcarboallyl, imidazolylcarbopropanyl, dimethylhydroxymethylvinyl, dimethylhydroxypropanyl, thiomethyl, isocyanatyl, tertierybutoxycarbamyl, ethoxycarbamyl or amino. Anti-inflammatory analgesic agents comprise the diterpene derivatives of the formula 3 as effective components.