baber/WOPTO huggingface dataset:
Patent KR-20020076253-A (KR)
IPC: A47L9/02
Filed: 2001-11-14
Abstract: 본 발명은 진공 청소기용 흡입 부착물(9)에 관한 것이다. 흡입 부착물은 코너부에서 각을 둘러싸는 두 개의 에지(43,45)를 구비한 하우징(11)을 포함한다. 제 1 흡입구(55,59)는 두 개의 에지 각각을 따라 흡입 부착물의 바닥부(57)에 뻗어있고, 상기 제 1 흡입구는 진공 청소기의 흡입 유닛(7)에 결합될 수 있는 연결 채널(21)에 연결된다. 제 1 흡입구는 상기 코너부와 가까운 제 2 흡입구(61)로 통한다. 본 발명에 따라, 흡입 부착물(9)는 적어도 두 개의 흡입부(35,37)를 포함하고, 상기 두 개의 에지(43,45), 상기 두 개의 제 1 흡입구(55,59) 및 상기 제 2 흡입구(61)는 흡입부(35) 중 제 1 흡입부에 제공되고, 흡입부(37) 중 적어도 제 2 흡입부에는 흡입구(67,69,71)가 제공되는데, 이것은 연결 채널(21)로부터 차단될 수 있다. 상기 연결 채널로부터 상기 제 2 흡입부의 상기 흡입구를 차단함으로써, 흡입 유닛(7)의 흡입력은 부분적으로 또는 완전하게 제 1 흡입부의 흡입구에 집중된다. 따라서, 제 2 흡입구(71)가 위치하는 곳인 제 1 흡입부의 코너부에서 비교적 높은 흡입력이 얻어진다. 따라서 상기 코너부는 청소하고자 하는 표면(5)의 좁은 영역이나 코너에서 비교적 높은 청소 효과가 이루어질 수 있도록 한다. 바람직한 실시예에서, 흡입 부착물(9)은 푸트(39)를 공동으로 형성하는 두 개의 흡입부(35,37)를 포함하고, 이 푸트는 흡입 부착물의 중심부(31)를 중심으로 회전할 수 있다. 양쪽 흡입부는 청소하고자 하는 표면(5)의 좁은 영역이나 코너를 청소하기 위해 제 2 흡입부(61,71)가 있는 코너부를 포함한다. 흡입 유닛(7)의 흡입력은 중심부를 중심으로 각각 +90°와 -90°만큼 제 1 위치로부터 푸트를 회전함으로써 두 개의 흡입부 각각에 집중될 수 있다.
Patent KR-20020077883-A (KR)
IPC: G06T9/00
Filed: 2001-11-09
Abstract: 향상된 데이터 프루닝 구현을 이용하는 MPEG-2 복호기와 같은 비디오 시스템을 스케일링하기 위한 시스템 및 방법이 제공된다. 멀티미디어 데이터를 처리하며, 제 1 처리 모듈과 제 2 처리 모듈을 포함하는 순차적인 데이터 경로와, 제 2 처리 모듈을 스케일링하기 위한 스케일링 어플리케이션과, 스케일링 어플리케이션과 관련된 멀티미디어 데이터의 일부가 잘려지도록 하는 제 1 처리 모듈 앞에 위치된 데이터 프루닝 시스템을 포함하는 스케일러블 데이터 처리 시스템이 제공된다.
Patent KR-20020076288-A (KR)
IPC: C08L23/08
Filed: 2001-02-07
Abstract: 본 발명은 
     (1) 폴리프로필렌, 밀도가 약 0.930 내지 약 0.960 g/cc인 에틸렌 단독중합체, 및 밀도가 약 0.930 g/cc 미만인 에틸렌과 α-올레핀의 공중합체와 블렌딩된 밀도가 0.930 내지 0.960 g/cc인 에틸렌 단독중합체로 이루어진 그룹중에서 선택되고, 두께가 약 3.0 mil 초과인 외피층, 및 
     (2) (a) 폴리프로필렌 및 폴리프로필렌 공중합체로 이루어진 그룹중에서 선택되는 제1 폴리올레핀, 
     (b) 에틸렌 공중합체, 초저밀도 폴리에틸렌, 폴리부텐, 및 부텐 에틸렌 공중합체로 이루어진 그룹중에서 선택되는 제2 폴리올레핀, 
     (c) (i) 아크릴산, 메타크릴산, 아크릴산과 탄소수 1 내지 10의 알콜과의 에스테르 유도체, 메타크릴산과 탄소수 1 내지 10의 알콜과의 에스테르 유도체, 비닐 아세테이트, 및 비닐 알콜로 이루어진 제1 그룹으로부터 선택된 공단량체를 갖는 에틸렌 함량 50 내지 85%의 에틸렌 공중합체, 및 (ii) 우레탄, 에스테르, 우레아, 이미드, 설폰 및 아미드의 하나 이상의 단편을 포함하는 단독중합체 및 공중합체로 이루어진 그룹중에서 선택되는 고주파 감응성 중합체, 및 
     (d) 스티렌과 탄화수소의 공중합체인 상용화제 
     를 포함하고, 외피층에 부착되고, 유전 손실율이 1 내지 60 MHz 및 주위 온도 내지 250℃에서 0.05 초과이며, 외피층에 부착되는 고주파 감응층 
     을 포함하며; 50 ml 용기로 제조된 구조물이, 이 용기를 121℃에서 20분 동안 오토클레이브 처리하고 40℃, 15% 상대 습도의 환경이 조절되는 격실에서 90일 동안 저장한 후 8중량% 미만의 수증기 투과율을 갖는 다층 열가소성 구조물을 제공한다.
Patent KR-20020084183-A (KR)
Inventor: AHN SEON UK
IPC: A63F13/31
Filed: 2000-04-20
Abstract: PURPOSE: A mobile telecommunication device with a game machine installed therein is provided to conveniently carry with, and be used as a game machine to make it possible to enjoy a game in a portable manner. CONSTITUTION: A mobile communication apparatus(1) forms a wireless talk path to a switching system(12) of a base station to carry out a voice communication and a data communication. The mobile communication apparatus includes an LCD panel(6), a telephone keyboard(7), a game keyboard(8), a speaker(4), and a mike(9). Further, a memory card(3) in which a program is stored is fit. Thus it can be used as a mobile telephone apparatus, and at the same time as a portable game machine. The LCD panel(6) includes a telephone status displaying part(5), and thus, even when the LCD panel is turned off to save the power, the telephone status displaying part(5) is in a turned on status to indicate the telephone status. The mobile communication apparatus(1) is connected through the switching system(12) of the base station to a game network(11) to download a game program so as to store it into the memory. Under this condition, the program procurement expense is added to the mobile telephone fee billing slip.
Patent KR-20030021172-A (KR)
IPC: C12Q1/42
Filed: 2001-06-13
Abstract: 본 발명은 스테로이드성 비유전자자극 효과의 작용기전의 이해 및 스테로이드 유전자자극 효과의 관련의 기본적인 발견에 관한 것이다. 본 발명자들은 (i) 스테로이드성 비유전자자극 효과 및 유전자자극 효과가 같은 스테로이드 수용체에 의해 매개될 수 있고; (ii) 양 효과는 리간드-유발되고; (iii) 비유전자자극 효과는 스테로이드 수용체의 리간드 결합 도메인에서 리간드 상호작용에 의해 일어나므로 빠르고 늦은 핏팅을 할 수 있고; (iv) 유전자자극 효과는 일반적으로 느리고, 강한 상호작용의 결과인 리간드 결합 도메인과의 리간드 상호작용에 의해 일어나지만, 스테로이드 수용체의 DNA-결합 도메인을 필요로 하며; (v) 리간드 상호작용의 비유전자자극 효과는 선택적 반응을 유도하는 방법에서, 리간드 상호반응에 유전자자극 효과로부터 분리될 수 있다는 것을 발견하였다.
Patent KR-20030009528-A (KR)
IPC: G05B19/418
Filed: 2001-06-14
Abstract: 연동 시스템은 네트워크를 거쳐서 제어기가 접속되는 반도체 제조 장치의 제어 시스템에서 이상이 있는 제어기를 즉시 판정할 수 있다.  제어 시스템은 반도체 제조 공정을 수행하는 적어도 하나의 처리 챔버를 포함하는 처리 시스템을 제어하는 적어도 하나의 장치 제어기와, 처리 챔버 내외에서 처리될 객체를 운반하는 운반 시스템과, 장치 제어기를 관리하는 장비 제어기를 포함한다.  장치 제어기와 장비 제어기는 네트워크를 거쳐서 통신할 수 있게 접속된다.  2 종류의 제어기가 배선을 거쳐서 접속되어, 제어 시스템으로 그들 제어기의 상태 신호를 전송하여, 각 장치 제어기의 존재와 제어기 사이의 접속 상태를 네트워크를 거친 통신을 이용하지 않고서도 검출할 수 있다.
Patent KR-20030011900-A (KR)
Title: 스크류 기계
IPC: F01C1/16
Filed: 2000-12-21
Abstract: 스크류 기계(10)는 중첩 보어(12-1, 12-2)를 한정하는 로터 하우징을 가진다.  암 로터(14)가 보어(12-1) 내에 위치되고 수 로터(16)가 보어(12-2) 내에 위치된다.  내마모성 코팅이 로터의 팁부(14-1, 16-1) 상에 증착된다.  컨포머블 코팅이 로터의 골부(14-2, 16-2) 상에 증착된다.  컨포머블 코팅이 로터와 협력하는 보어의 표면 상에 증착된다.
Patent KR-20040065640-A (KR)
Inventor: LEE EUL HWAN
IPC: H04N1/387
Filed: 2003-01-15
Abstract: PURPOSE: A device for generating a binary image by using position information of minor pixels is provided to store position information on black/white pixels in one memory, and to comprise a small-capacity binary pixel storage memory, then to select position information on minor pixels and coordinates values, thereby remarkably reducing a memory capacity. CONSTITUTION: A minor pixel position storage memory(32) stores position information on black/white minor pixels corresponding to each line where binary pixels are located. A binary pixel storage memory(34) stores values only of the binary pixels corresponding to the stored minor pixels as 1 bit. A black/white position storage decider(30) selectively stores the minor pixel position information in the memory(32) according to binary pixel values of current input pixels and adjacent binary pixel values, and selectively calculates the minor pixel position information according to binary pixel values of a previous line and the current input pixel values.
Patent KR-20040065685-A (KR)
Inventor: WOO YOUN CHOON
IPC: F21S2/00
Filed: 2003-01-15
Abstract: PURPOSE: A method and an LED emission rod are provided to prevent accidents and achieve improved effects by arranging LEDs from bottom to the top of the LED emission rod. CONSTITUTION: A method comprises a step(100) of producing a plurality of vertical bodies from a material having a light permeability, wherein each of the vertical bodies has a vertical contact surface and an arc surface, and the vertical contact surface has a plurality of grooves for refraction of light and formation of diffused light, and a plurality of vertical grooves formed at the lower portion of the vertical contact surface so as to allow LEDs to be inserted into the vertical grooves; a second step(200) of producing a rod by combining the vertical bodies in such a manner that the vertical contact surfaces of the vertical bodies tightly contact with each other; and a step(300) of mounting LEDs in the vertical grooves formed at the lower end of the rod.
Patent KR-20030063179-A (KR)
Title: 보호테이프 절단방법 및 이를 이용한 보호테이프 접착장치
IPC: B26D1/28
Filed: 2003-01-17
Abstract: 커터유닛을 승강 이동시키는 승강 구동부의 동작을 제어부로 제어함으로써, 커터유닛의 칼날 끝의 위치(높이)를 미소 거리로 설정 변경한다. 요컨대, 웨이퍼의 표면에 접착된 보호테이프를 절단할 때, 보호테이프와 칼날 끝과의 접촉부위를 적절하게 변경함으로써, 늘 예리한 칼날 끝 부분으로서, 보호테이프를 웨이퍼의 외형을 따라서 절단한다.
Patent KR-20030031922-A (KR)
Inventor: LEE JOON PYO
IPC: A23L2/38
Filed: 2003-01-20
Abstract: PURPOSE: A method of preparing a beverage by crushing, filtering Luffa cylindrica Roem. and then mixing with an additive such as a Chinese herbal extract and conventional beverage material is provided. The beverage is excellent in a taste and flavor without a green odor as well as sensory characteristic. CONSTITUTION: Luffa cylindrica Roem. is washed, crushed, filtered with a filter press and sterilized at 95deg.C for 20 to 30sec to produce juice. Thereafter, 79% by weight of the juice is mixed with 0.83% by weight of arrowroot juice, 3% by weight of fructose, 3% by weight of sucrose, 4% by weight of Schizandrae Fructus extract, 4% by weight of yanggui extract, 0.15% by weight of Lycii Radicis Cortex extract, 0.02% by weight of an emulsifier to produce a drink for adult. The Luffa cylindrica Roem. can be also steamed at 90 to 120deg.C for 1 to 30min and then dried at 50 to 80deg.C to produce a Chinese herbal material.
Patent KR-20030066361-A (KR)
Title: 전자 사진용 감광체 및 이것을 이용한 전자 사진 장치
IPC: G03G5/047
Filed: 2003-01-29
Abstract: 본 발명은 전자 사진용 감광체의 감광층 내에 전자 수송 능력이 우수한 화합물을 이용함으로써, 전기 특성이 우수하고 반복 사용에 있어서도 안정한 전자 사진용 감광체 및 그 전자 사진용 감광체를 이용한 전자 사진 장치를 제공하는 것을 목적으로 한다. 
     본 발명의 해결 수단은 도전성 기판 상에 직접 또는 하부층을 통해 감광층이 설치된 전자 사진용 감광체이다. 그 감광층 내에 하기 화학식 1로 표시되는 구조를 갖는 화합물을 함유한다. 상기 전자 사진용 감광체를 구비하고, 정대전 프로세스에 의해서 대전 프로세스를 행하는 전자 사진 장치이다.
Patent KR-20040070546-A (KR)
Inventor: KIM HYEON SEOK
IPC: G07F13/00
Filed: 2003-02-04
Abstract: PURPOSE: An apparatus for providing raw materials to the vending machine with equal quantity is provided to smoothly supply the raw materials by preventing the raw materials dissolved or solidified at the side of outlet during the supply of the raw materials. CONSTITUTION: An apparatus for providing raw materials to the vending machine with equal quantity includes a receiving unit(50), an open and close unit(60), a driving unit(70) and a control device. The receiving unit(50) has a raw material reception space for receiving the raw material in the form of powder supplied through the raw material inlet. The open and close unit(60) opens and closes the raw material outlet of the receiving unit(50) so as to discharge the powder raw material stored at the receiving unit(50) to outside. The driving unit(70) operates the open and close unit(60). And, the control device controls the driving unit(70) if an appropriate amount of the powder raw materials are filled into the receiving unit(50).
Patent KR-20040072011-A (KR)
Inventor: OH GIL HWAN
IPC: A01K1/03
Filed: 2003-02-07
Abstract: PURPOSE: A pyramid type pet house is provided to improve health of pets, look pretty outside, easily clean up, and remarkably increase productivity by reducing materials. CONSTITUTION: The pyramid type pet house includes: a pyramid(10) with at least one exit(13) that is formed to allow four trigonal plane(11) to be connected at one vertex; and a bottom body(20) hinged on one side of the pyramid(10). The pyramid(10) with four trigonal plane(11) fixes and connects each adjacent trigonal plane(11) by using three dimensional connection frame(15) and a bolt(17). The exit(13) is installed on two of the trigonal plane(11), respectively. The bottom body(20) has a shock-absorbing boss(23) to be landed in the end of the opposite direction of hinge(30) side of the pyramid(10) in the opposite direction of the hinge(30) side.
Patent KR-20040076035-A (KR)
Inventor: CHOI IN JEONG
IPC: G10L15/18
Filed: 2003-02-24
Abstract: PURPOSE: A method and a device for continuous speech recognition using phoneme combination information are provided to remove combination of incongruent grapheme-to-phoneme of phonemic rules between lemmas occurring during a continuous speech recognition process. CONSTITUTION: A method for continuous speech recognition using phoneme combination information includes the steps of recording phonetic transcription reflecting a change of phoneme to each lemma and constructing a pronunciation dictionary database by adding additional identifier to the phonetic transcription of the final or initial consonant of the corresponding lemma when the spelling and pronunciation of the final consonant of the final syllable of the former lemma or the initial consonant of the first syllable of the next lemma are not equal, making all possible phoneme combination information into a matrix using Korean basic phoneme and the second phoneme with the additional identifier, and carrying out speech recognition using the pronunciation dictionary and the phoneme combination information in relation to a feature vector generated from inputted speech.
Patent KR-20040081915-A (KR)
Inventor: CHOI JUN HYEOK
IPC: G01C19/56
Filed: 2003-03-17
Abstract: PURPOSE: A micro gyroscope is provided to reduce a size of the micro gyroscope with a simple structure by integrally forming a driving motion detection electrode with a Coriolis motion detection electrode. CONSTITUTION: A micro gyroscope(100) includes a driving gimbal(112) having a rectangular shape. The driving gimbal(112) forms a vibration mass installed on a housing or a substrate(111). A driving electrode is installed at upper and lower outer portions of the driving electrode. The driving electrode(116) is fixed to the substrate(111). A detection gimbal(118) is installed in the driving gimbal(112). First and second Coriolis motion detection electrodes(122a,122b) are fixedly installed in the detection gimbal(118).
Patent KR-20040082003-A (KR)
Inventor: KIM DONG HWON
Filed: 2003-03-17
Abstract: PURPOSE: An AD(ADvertisement) method using an Internet auction and a system thereof are provided to make an advertiser register an auction article by inputting the auction article, a condition, and a distribution method, and advance the bidding for the auction article by offering a tool for searching the auction article and joining in the bidding. CONSTITUTION: A web server(201) provides an auction service to an auction participant and an auction article register. A homepage(202) performs the interface for a service user connected to the web server. A common gateway interface(203) receives/transfers a member ID and a password of the service user connected to the homepage. An auction service system(204) provides/processes the functions for performing the auction service. A database server(205) stores auction service user information, auction article registration information, auction result information, auction participation point information, and auction article settlement information.
Patent KR-20030078030-A (KR)
IPC: B61L23/04
Filed: 2003-03-27
Abstract: The method is for checking the integrity of a section of railway track, comprised of two rails (1, 2) between which is placed a generator (3) or detector at one extremity and an impedance at the other extremity. A detector or generator (3) is arranged in a common mode connector (6). The method involves the following steps: generation of a signal of a given frequency and its application to the track section; capture and detection of the signal using a detector; and processing of the signal to made a deduction about the track integrity.  An Independent claim is included for a corresponding installation for checking the integrity of a railway track section, especially for detecting a break in one of the rails.
Patent KR-20040085379-A (KR)
Inventor: PARK CHEOL MIN
IPC: G01B7/00
Filed: 2003-03-31
Abstract: PURPOSE: A supporter for measuring a scribe line is provided to improve precision, reliability, and efficiency of a scribe line measurement by exactly measuring the scribe line on a curved surface as well as a plane and by exactly measuring the scribe line formed at a predetermined position. CONSTITUTION: A supporter for measuring a scribe line includes a body(200), a measurement ball installing part(210), and a plurality of locators(240). The measurement ball installing part(210) is formed on an upper part of the body(200). The measurement ball installing part(210) has a measurement ball which is measured and is formed thereon. The locators(240) are installed on the body(200) and are inserted into a scribe line. The measurement ball installing part(210) includes a magnet inserting hole and a measurement ball nesting surface.
Patent KR-20040085471-A (KR)
Inventor: YOON JEONG CHAE
IPC: G11B7/005
Filed: 2003-03-31
Abstract: PURPOSE: A method for searching for a lead-in area of a multi-session disk is provided to jump into a search target spot to confirm whether a defect exists at the location, and to finely move an optical pickup if the defect is confirmed, then to read data from a normal recording position, thereby normally performing a searching process of a next session. CONSTITUTION: A microcomputer sets an operational mode of an optical disk device to a multi-session lead-in area search mode(S10). The microcomputer retrieves/reads next session start address information(S11), and sets a search target spot within a predetermined section range included in a lead-in area of a next session(S12). The microcomputer moves an optical pickup to the search target spot(S13), and attempts reading the address of the spot(S14). If the address is not read(S15), the microcomputer finely moves the optical pickup(S16). The microcomputer releases the search mode, and normally reads TOC(Table Of Contents) data(S18).
Patent KR-20040088267-A (KR)
Inventor: KANG JAE GU
IPC: B25B13/08
Filed: 2003-04-09
Abstract: PURPOSE: A spanner is provided to minimize the damage of a head portion in a bolt or a nut when tightening/untightening the bolt and nut. CONSTITUTION: A spanner(10) is composed of a rod type spanner body(12) used as a handle, and a fit unit(13) integrally formed at one end of the spanner body. The fit unit is fit into the outer circumference of the head portion of a polygonal bolt or a polygonal nut, and has a plurality of contact surfaces(15) in contact with at least half of each side in the head portion. A plurality of separating grooves(17) are formed between the contact surfaces of the fit unit so that the fit unit is easily separated from the heat portion.
Patent KR-20030082397-A (KR)
IPC: G02B13/18
Filed: 2003-04-12
Abstract: A miniature image capturing lens includes an aperture diaphragm; and a lens system consisting of a first lens having a positive refracting power in which a convex surface of the first lens is directed toward an image; and a meniscus-shaped second lens in which a concave surface of the meniscus is directed toward an object. The aperture diaphragm, the first lens and the second lens are aligned in this order from the object side, the fist and second lenses have at least one aspherical surface. The following conditional formulas are satisfied: <DF>0.50 < f1/f < 0.80 </DF> <DF>0.30 < (R2 + R1)/(R1 - R2) < 1.20 </DF> where f1 is a focal length of the first lens, f is a focal length of the entire image capturing lens, R1 is a radius of curvature of the object side surface of the first lens, and R2 is a radius of curvature of the image side surface of the second lens. <IMAGE>
Patent KR-20040088863-A (KR)
Inventor: JANG SANG BIN
IPC: B05D1/28
Filed: 2003-04-14
Abstract: PURPOSE: A method for applying an aqueous adhesive onto a sticker material and an apparatus therefor are provided to obtain a smooth coating of the aqueous adhesive which is harmless and has good adhesion, heat- and cold-resistance without a curling phenomenon. CONSTITUTION: The method comprises the steps of: applying an aqueous adhesive onto one side of a sticker material(1); and spraying water onto the backside (adhesive-uncoated) of the material(1). The apparatus includes a sticker material roller(2) for unrolling and supplying a rolled sticker material(1); a first rotating roller(3) for supporting the transferred material; a first reverse roller(4) for applying an aqueous adhesive sprayed via an adhesive spray(10) onto one side of the material while rotating reversely; a second rotating roller(6) for spraying water onto uncoated side of the material while rotating reversely; and a second reverse roller(7) for delivering water sprayed via water spray(11) to the second rotating roller(6) while rotating in an engagement with the second rotating roller(6).
Patent KR-20040087237-A (KR)
Title: Pollution-free color paint having no odor and toxicity
Inventor: PACK PYOUNG IL
IPC: C09D1/00
Filed: 2003-04-03
Abstract: PURPOSE: Provided is a pollution-free color paint, which has no odor and toxicity and thus is suitable for indoor painting as well as favorable to the human body, does not discolored, and thus is suitable for outdoor painting, and is produced from easily available materials. CONSTITUTION: The pollution-free color paint is produced by the method comprising the steps of: collecting loess and screening loess with a fine sieve to obtain powder; and introducing an adhesive, a waterproofing agent and a pigment into a container in a predetermined ratio, mixing them, and aging the mixture for 15 hours while stirring it for 10 minutes at intervals of 2 hours. In order to develop the color sufficiently, 50% of adhesive, 40% of waterproofing agent and 10% of pigment are mixed uniformly.
Patent KR-20040090594-A (KR)
Inventor: CHA TAE GYEONG
IPC: H04B1/40
Filed: 2003-04-17
Abstract: PURPOSE: A method for displaying the call duration of a mobile communication terminal is provided to subdivide call duration information supplied from a terminal, and to display call duration accumulated according to each time zone and a day of the week on weekly or monthly basis, thereby being used to select a rate system of a user. CONSTITUTION: A system accumulates call durations for each call originated by a user. The system divides the accumulated call durations according to each time zone and a day of the week, and accumulates the divided call durations in the corresponding time zone/day of the week call duration and the frequency of calls. At the request of the user, the system displays the divided call duration data in number or graphic bar type.
Patent KR-20040092649-A (KR)
Inventor: KIM BYEONG JIN
IPC: G06F21/80
Filed: 2003-04-24
Abstract: PURPOSE: A method for managing copy protection information of an optical disk is provided to record copy protection information in a key locker, and to read the copy protection information by a combination of a hidden code of the first key value recorded on an optical disk and a drive key of the second key value recorded within an optical disk drive. CONSTITUTION: Copy protection information for deciphering audio and video data recorded in a data area of an optical disk by being enciphered is recorded in the first specific area. The first key value for reading and deciphering the copy protection information recorded in the first specific area is recorded in the second specific area of the optical disk, while the second key value is recorded/managed within an optical disk drive or an application. Key renewal information showing whether the second key value is valid is included/recorded in the first specific area.
Patent KR-20040097815-A (KR)
Inventor: LEE YEONG BAE
IPC: F04C18/02
Filed: 2003-05-13
Abstract: PURPOSE: A noise reduction device of a scroll compressor is provided to reduce noise produced by wrap contact during operation by differentiating wrap profiles of a fixed scroll and a rotary scroll and maintaining a gap between the fixed scroll and the rotary scroll during operation. CONSTITUTION: A scroll compressor constitutes a discharge system by having wraps(7a,8a) of a fixed scroll(7) and a rotary scroll(8). In a noise reduction device of the scroll compressor, a gap(10) is maintained, when the wraps of the fixed scroll and rotary scroll are started and operated. The wraps of the fixed scroll and rotary scroll are formed in each different wrap profiles. The wraps of the fixed scroll and rotary scroll are formed with each different thickness.