baber/WOPTO huggingface dataset:
Patent KR-20020049867-A (KR)
Title: A damping structure for optical disk drive
Inventor: KIM YEONG JUN
IPC: G11B33/08
Filed: 2000-12-20
Abstract: PURPOSE: A damping structure of an optical disk drive is provided to install a deck plate installed with an optical pickup and to install dampers, which are interposed between decks where the deck plate is set and suppress a transmission of an external vibration to the deck plate, thereby preventing deck plate droop even the optical disk drive is vertically set. CONSTITUTION: A tray(400) transferring a disk(1) enters a main deck(100). A sub deck(200) installed with a deck plate(300) is rotative on the main deck. On the deck plate, a turn table(320) and an optical pickup(310) are installed. The disk is set in the turn table. The optical pickup writes or reads data on the disk as moving in a radius direction of the set disk. Many dampers(301, 302, 303, 304) are installed between the deck plate and the sub deck, to suppress a transmission of an external vibration. One sides of the dampers(303, 304) are closely adhered to a support(210) projected on the sub deck.
Patent KR-20020051719-A (KR)
Title: device and method for decreasing brake judder of anti brake system for vehicles
Inventor: KIM JEONG GYU
IPC: B60T8/58
Filed: 2000-12-23
Abstract: PURPOSE: A brake judder reducing apparatus of an anti-lock brake system for a vehicle and a method thereof are provided to prevent judder by separating a disk from a pad with opening and closing a solenoid valve corresponding to a wheel in detecting judder. CONSTITUTION: A brake judder reducing device of an anti-lock brake system for a vehicle is composed of a control unit(10) detecting judder by comparing frequency of data from a sensor in operating a brake; a hydraulic pressure control unit(20) applying hydraulic pressure of brake fluid from a master cylinder(31) to a wheel cylinder of a caliper(40) in braking, and separating a disk from a pad by opening and closing a solenoid valve(30) corresponding to the wheel in detecting judder; and a vibration detecting sensor(50) installed in the caliper of the wheel to transmit to the control unit by measuring vibration. The control unit decides driving of the solenoid valve by comparing vibration with the reference value, and outputs a signal to the hydraulic pressure control unit. Driving experience is improved with detecting judder by the vibration detecting sensor and restricting judder by the control unit. Performance is improved with simple structure.
Patent KR-20020054578-A (KR)
Title: Digital television repeater
Inventor: SHIN JEONG HO
IPC: H04H20/02
Filed: 2000-12-28
Abstract: PURPOSE: A digital TV repeater is provided to integrate linear/nonlinear distortions of a broadcasting signals delivered from a sub transmission path or a main transmission path by one device, and to compensate the distortions, then to perform linear/nonlinear compensations in the sub transmission path as well, thereby maintaining a high-quality broadcasting state. CONSTITUTION: The first and the second demodulators(1, 2) selected by a main transmission path or a sub transmission path receive a broadcasting signal to demodulate the signal, and convert the signal into a baseband signal. The first and the second modulators(21, 22) modulate data outputted from the first and the second demodulators to 8 VSBs(Vestigial Side Bands) to output IF signals, and distort the IF signals according to linear/nonlinear compensation coefficients to output the distorted signals. The first and the second frequency up converters(31, 32) perform frequency up-converting for the IF signals, and output RF signals. The first and the second high-power amplifiers(51, 52) amplify the RF signals. A channel filter(60) inputs the amplified signals, and restricts the signals to be outputted to an assigned channel. A linear/nonlinear compensator(100) down-converts a broadcasting signal of the channel filter to a baseband signal, and demodulates the signal to I/Q signals, then outputs the linear/nonlinear compensation coefficients. A main controller(70) applies the linear/nonlinear compensation coefficients to the first modulator or the second modulator.
Patent KR-20020055672-A (KR)
Title: Seat-sliding device of oil-pressure type for automobile
Inventor: KIM JEONG HEON
IPC: B60N2/07
Filed: 2000-12-29
Abstract: PURPOSE: A hydraulic type seat sliding device for a car is provided to reduce shock and continuously change a location of a seat by forcibly sliding the seat to the rear using hydraulic pressure when the car comes into collision. CONSTITUTION: A hydraulic type seat sliding device for a car includes a hydraulic cylinder(12), a piston(13), first and second holes, and an auxiliary piston(22). The hydraulic cylinder is fixed on a support bracket(11a) and slides on a slide part(18). The piston is inserted into an inner cylinder of the hydraulic cylinder and circulates the hydraulic pressure through a flow channel and a hollow part. The first and second holes are formed in a front end and an upper portion of the inner cylinder and circulate the hydraulic pressure. The auxiliary piston is mounted in the flow channel, serves as a damper by the circulated hydraulic pressure and has a spring(23).
Patent KR-20020055814-A (KR)
Inventor: KO SEOK JIN
IPC: F16C11/06
Filed: 2000-12-29
Abstract: PURPOSE: A ball joint is provided to achieve improved durability and performance of ball joint by reducing a frictional area between the ball stud and bearing. CONSTITUTION: A ball joint comprises a ball stud(7) having a spherical protrusion formed at an end of the ball stud, and the other end connected to a side of a vehicle body; a bearing(9) surrounding the ball stud; an elastic member(11) for elastically supporting the bearing, and which is connected to the other side of the vehicle body; and a roll member interposed between the ball stud and the bearing, such that the bearing supports the ball stud through a small frictional area. The roll member includes first, second and third ball bearings(13,15,17) which are arranged in the area where the bearing does not surface-contact the ball stud.
Patent KR-20020056614-A (KR)
Title: Dielectric material for rear panel of plasma display panel
Inventor: CHO WON DEOK
IPC: C03C8/16
Filed: 2000-12-29
Abstract: PURPOSE: Provided is dielectric materials for rear glass substrate of plasma display panel(PDP) which enable low temperature sintering, and have corrosion resistance against chemical etching for barrier rib formation. CONSTITUTION: The dielectric materials for rear glass substrate of plasma display panel(PDP) comprise glass powder with 1-10micrometer size and 390-550deg.C softening point, oxides filler, and organic materials supporting materials, wherein the volumetric ratio of filler/glass powder is less than 0.3. The glass is at least one compound selected from the group consisting of 30-80wt.% of PbO, less than 20wt.% of ZnO, less than 20wt.% of SiO2, 5-40wt.% of B2O3, less than 12wt.% of Al2O3, less than 5wt.% of Na2O+K2O+Li2O and less than 5wt.% of BaO+CaO+MgO+SrO. The filler is at least one compound selected from the group consisting of TiO2, ZrO2, ZnO, Al2O3, BN, mullite or magnesia. The resultant dielectric materials have also high reflexibility beside dielectric permittivity.
Patent KR-20020059017-A (KR)
Title: Method for generating test pattern capable of simultaneous testing of cluster and edge
Inventor: KIM GI WAN
IPC: G01R31/3183
Filed: 2000-12-30
Abstract: PURPOSE: A method for generating a test pattern performing a cluster test and an edge test is provided to performs simultaneously a test for cluster part and a test for edge part by applying predetermined values to the cluster part and the edge part. CONSTITUTION: A reset state of a particular element is determined(ST21). A boundary scan test chip including a boundary scan register preloads particular values output from a cluster part and an edge part(ST22). A boundary scan cell generates a test vector and applies the test vector to a test data input terminal(ST23,ST24). The test vector is performed on the cluster part and the edge part according to a command of a boundary scan test device(ST25). A performed result of the test vector is output to a test data output terminal(ST26). The boundary scan test device analyzes test data of the test data output terminal, generates a boundary scan result, and finishes the boundary scan test(ST27).
Patent KR-20010023117-A (KR)
Title: 면역을 향상시키는 젖산균
IPC: A61K35/74
Filed: 1998-08-18
Abstract: 본 발명은 세균 락토바실루스 람노수스 HN001 및 HN 067, 락토바실루스 아시도필루스 HN017 및 비피도박테리움 락티스 HN019에 관한 것으로서, 
     각 균주는 섭식시 면역향상효과를 제공하는 것을 특징으로 한다.
Patent KR-20010023724-A (KR)
Title: 프탈라진 유도체 및 발기기능 부전 치료제
IPC: C07D403/04
Filed: 1999-02-17
Abstract: 발기기능부전증을 위한 치료제로서 유용한 화학식(I)로 나타낸 프탈라진 유도체 또는 약리학적으로 허용되는 그 염 또는 그 수화물로서, R 1 및 R 2 가 동일 또는 상이하고 각각은 할로게노, 선택적으로 할로겐화된 알킬 또는 알콕시 또는 시아노를 나타내고; X는 시아노, 니트로 할로게노, 선택적으로 치환된 히드록시이미노 또는 선택적으로 치환된 헤테로아릴을 나타내고; Y는 헤테로아릴, 아릴, 알킨일, 알켄일, 알킬 또는 시클릭 아민을 나타낸다.
Patent KR-20010030896-A (KR)
Title: 고조파 동기 검출을 갖는 지연 동기 루프
IPC: H03K5/26
Filed: 1999-07-27
Abstract: 지연 동기 루프는, 적어도 두 개의 지연 소자(DL 1 -DL N )―제 1 지연 소자(DL 1 )는 기준 신호를 수신하기 위한 입력단을 가지고, 최종 지연 소자(DL N )는 출력 신호(phiN)를 전달하기 위한 출력단을 가짐―의 체인(CHN)과; 상기 기준 신호(phi0)를 수신하기 위한 제 1 입력단(PH 1 )과, 상기 출력 신호(phiN)를 수신하기 위한 제 2 입력단(PH 2 ) 및 이진 제어 신호(B cntrl )를 전달하기 위한 출력단을 가진 위상 비교기(PHCMP)와; 상기 지연 소자(DL 1 -DL N )의 적어도 하나(DL 1 -DL N )의 지연 시간을 제어하기 위해, 상기 이진 제어 신호(B cntrl )를 아날로그 제어 신호(A cntrl )로 변환하는 변환기(CNV)를 포함한다. 상기 위상 비교기(PHCMP)는, 상기 최종 지연 소자(DL N )에 선행하는 적어도 하나의 상기 지연 소자(DL 1 -DL N-1 )의 출력 신호를 수신하기 위해, 적어도 하나의 부가적인 입력단(A ip )을 포함한다. 위상 비교기(PHCMP)에 의해 제공된 이진 제어 신호(B cntrl )의 상태는 기준 신호(phi0)와 위상 비교기(PHCMP)의 출력 신호에 의해 단독으로 결정되는 것이 아니라, 제 1 지연 소자(DL 1 ) 또는 최종 지연 소자(DL N )이 아닌 지연 소자의 하나 이상의 출력 신호의 상태에 의해 결정된다. 따라서, 지연 소자(DL 1 -DL N ) 출력 신호의 후속하는 활성 에지의 발생이 등록된다. 사실, 이러한 발생은, 지연 소자(DL 1 -DL N )의 지연 시간을 제어하는 아날로그 제어 신호(A cntrl )가 유도되는 적절한 이진 제어 신호(B cntrl )를 결정하기 위해, 지연 동기 루프에 필요한 부가적인 정보이다.
Patent KR-20010031573-A (KR)
Title: 나노다공성 실리카 박막용 폴리올-기초 전구체
IPC: H01L21/316
Filed: 1998-10-26
Abstract: 본 발명은 나노다공성 유전체 필름 및 그 제조방법에 관한 것이다. 이같은 필름은 집적회로 제조에 유용한다. 이같은 필름은 알콕시실란; 물 및 알콕시실란에 혼화가능한 C 1 -C 4 알킬렌 글리콜의 에테르를 포함하며, 히드록실 농도가 0.021몰/㎤이하이고, 비점은 대기압에서 약 175℃이상이고 중량 평균 분자량은 약 100이상인 최소 하나의 상대적으로 저휘발성인 용매조성물; 상기 상대적으로 저휘발성인 용매 조성물보다 비점이 낮은 최소 하나의 상대적으로 고휘발성인 용매조성물; 임의의 물; 및 임의의 촉매량의 산;으로 이루어지는 전구체로부터 제조된다.
Patent KR-20010032578-A (KR)
Title: 주전동기 및 구동장치
IPC: H02K47/20
Filed: 1998-11-30
Abstract: 3상 주전동기, 또는 주전동기용 구동장치의 변압기 또는 회전 변류기는 권선을 포함하며, 이 권선은, 각 층이 실질적으로 등전위면을 제공하는 적어도 2개의 반도체층 (32,34) 으로 이루어지는 절연체와, 상기 반도체층 사이의 솔리드 절연체 (33) 를 포함한다.
Patent KR-20010024868-A (KR)
Title: 전지식 스캔헤드 충전기를 구비한 초음파 진단 이미징시스템
IPC: A61B8/00
Filed: 1999-11-18
Abstract: 초음파 진단 이미징 시스템은 이미징 시스템에 초음파 영상 신호를 무선으로 전송하는 전지식 스캔헤드를 구비한다.  전지식 스캔헤드는 미사용 중일 때 초음파 시스템에 의해 재충전되는 재충전가능 배터리에 의해 전력을 공급받는 배터리이다.  양호한 실시예들에 있어서 충전 시스템은 초음파 젤 등의 오염물로부터 보호된다.
Patent KR-20010041474-A (KR)
Title: 고체산촉매, 그 제조방법 및 그것을 사용하는 반응방법
IPC: C07B61/00
Filed: 1999-02-26
Abstract: 황산분을 함유하는 고체산촉매의 성형물이면서 충분히 높은 활성을 가지며, 실용상 충분한 취급성과 필요한 기계적 강도를 갖는 고체산촉매의 제조방법을 제공하는 것이다. 
     지르코니아 및 /또는 함수지르코니아로 이루어지는 부분과 알루미나 및/또는 함수알루미나로 이루어지는 부분으로 구성되고, (a) 세공직경 0.05∼10㎛의 세공분포에 있어서 직경 0.05∼1㎛의 범위에 피크를 갖는 담체를 작성하는 공정과, 그 담체에 황산분을 담지하는 공정을 포함하는 것, 또는, (b) 직경 0.05㎛ 이상 1㎛ 이하의 세공용적이 0.05∼0.5ml/g, 직경 1㎛을 넘고 10㎛ 이하의 세공용적이 0.05ml/g 미만인 담체를 작성하는 공정과, 그 담체에 황산분을 담지하는 공정을 포함하는 것이다.
Patent KR-20010082524-A (KR)
Title: 디지털 신호처리기
IPC: G06F15/78
Filed: 1999-03-04
Abstract: 디지털 신호처리회로는 가변 길이 명령집합의 사용을 필요로 한다.     전형적인 DSP 는 데이터가 레지스터 뱅크 (120) 및 3개의 데이터 메모리 (102, 103, 104) 와 교환될 수 있는 일군의 3개의 데이터버스 (108, 110, 112) 를 포함한다.     적어도 2개의 처리부 (128, 130) 에 의해 액세스가능한 레지스터를 갖는 레지스터 뱅크 (120) 가 사용될 수 있다.     명령 메모리 (152) 에 저장된 가변 길이의 명령을 수신하는 명령인출부 (156) 가 포함될 수 있다.     명령 메모리 (152) 는 상기 일군의 3개의 데이터 메모리 (102, 103, 104) 로부터 분리될 수 있다.
Patent KR-20010042417-A (KR)
Title: 열처리 챔버용 다중 선반 기판 지지부
IPC: H01L21/26
Filed: 1999-02-23
Abstract: 본 발명은 반도체 웨이퍼와 같은 제 1기판(106)을 지지하기 위한 상부 선반(150)과, 그리고 상부 선반(150)과 인접하고 기판 지지부(134)를 세척하기 위한 제 2공정 동안 제 2기판(170)을 지지하기 위한 하부 선반(148)을 포함하는 예컨대 에지링과 같은 기판 지지부(134)에 관한 것이다.  본 발명은 또한 열처리 챔버(100) 내에서 에지링에 의해 지지된 기판 처리 방법에 관한 것이다.
Patent KR-20010034798-A (KR)
Title: 광학 기록 매체를 조립하기 위한 방법 및 장치
IPC: G11B7/26
Filed: 1998-09-04
Abstract: 본 발명은 광학 기록 매체의 부재(12)에 접합층(60)을 부착시키고 광학 기록 매체의 부재들을 함께 접합시키는 방법 및 장치에 관한 것이다.  본 방법 및 장치는 컴팩트 디스크(CD) 및 디지털 다기능 디스크(DVD)와 같은 광학 기록 매체를 조립하는데 유용하고 특히 압력 민감성 접착제와 함께 사용되기에 적합하다.  광학 기록 매체의 제1 및 제2 부재(12, 40)의 각각은 내부면 및 외부면을 포함하고 내부면들의 적어도 하나는 내부면 상의 접합층(60)을 포함하고 부재들의 적어도 하나는 데이터 저장면을 포함하는, 제1 부재 및 제2 부재를 함께 조립하는 양호한 방법은, a) 제1 부분(32) 및 제2 부분(34)을 갖는 외부 고리를 구비한 상기 제1 부재의 내부면이 볼록하도록 제1 부재(12)를 만곡시키는 단계와, b) 제1 부분(54) 및 제2 부분(56)을 갖는 외부 고리를 구비한 상기 제2 부재의 내부면이 제1 부재의 내부면과 대면하도록 제2 부재(40)를 배향시키는 단계와, c) 제1 부재의 외부 고리의 제1 부분(54)과 제2 부재의 외부 고리의 제1 부분(32)을 압력하에서 상호 접촉시키는 단계와, d) 제1 부재의 내부면과 제2 부재의 내부면을 각각의 외부 고리의 제1 부분으로부터 각각의 외부 고리의 제2 부분으로 압력하에서 상호 점진적으로 접촉시켜 제1 부재 및 제2 부재의 내부면들이 상호 부착되도록 제1 부재 및 제2 부재를 서로에 대해 회전시키는 단계를 포함한다.  접합층을 부재에 부착하는 유사한 방법이 개시되어 있다.  또한, 상기 방법과 함께 이용되는 장치가 개시되어 있다.
Patent KR-20010043640-A (KR)
IPC: D21F11/00
Filed: 1999-05-18
Abstract: A process for increasing bulk of a foreshortened fibrous web comprises adding moisture to at least the web's selected portions, thereby causing the crepe in the selected portions to relax and the selected portions to expand, while retaining the crepe in the rest of the web. A preferred apparatus comprises a pair of opposite surfaces, at least one of which having expansion conduits therethrough, the web being impressed between the surfaces. A temperature differential is created between the two opposite surfaces, sufficient to drive the moisture added to the selected portions therethrough, thus relaxing crepe in the selected portions which expand into the expansion conduits, while the crepe is retained in the rest of the web impressed between the two surfaces.
Patent KR-20020059199-A (KR)
Title: PSC beam and slabplate junction system
Inventor: CHA EUNG SEOP
IPC: E01D21/00
Filed: 2001-01-10
Abstract: PURPOSE: A jointing/coupling structure of a PSC beam and a bridge slab is provided to shorten the period of construction and to decrease installation expenses of a bridge. CONSTITUTION: The jointing/coupling structure of a PSC(Pre Stress Concrete) beam and a bridge slab comprises the steps of installing many PSC beams(A) on a pier and jointing/coupling a floor slab(4) on the PSC beam(A), wherein a shear connecting bar(1) and a web shear reinforcing bar(2) are buried in the PSC beam(A), and the web shear reinforcing bar(2) is exposed to the outer side of the PSC beam(A) and the exposed part of the web shear reinforcing bar(2) is buried in the floor slab(4).
Patent KR-20010088325-A (KR)
Title: Positive-working resist composition
Inventor: AOAI TOSHIAKI
IPC: G03F7/004
Filed: 2001-01-26
Abstract: PURPOSE: Provided is a positive type resist composition having enhanced resolving power and improved process admissibility such as an improved margin for exposure and an improved depth of a focus in lithography using a short- wavelength light source for exposure capable of ultramicro-fabrication and a positive type chemical amplification type resist. CONSTITUTION: The positive type resist composition contains a resin having a group which is decomposed by the action of an acid and increases solubility in an alkali developing solution and a compound which generates an aliphatic or aromatic carboxylic acid substituted by at least one fluorine atom when irradiated with active light or radiation ray.
Patent KR-20020063733-A (KR)
Title: Operational amplifier with a common mode feedback circuit
Inventor: LEE HO YEONG
IPC: H03F1/22
Filed: 2001-01-30
Abstract: PURPOSE: An operational amplifier comprising a common mode feedback circuit is provided, which occupies a small chip size and is appropriate for a high speed operation. CONSTITUTION: A folded cascode operational amplifier circuit comprises a folded cascode gain unit including a differential input section, a cascode current mirror and a cascode current source, and a common mode feedback circuit. The common mode feedback circuit comprises two capacitors, and is connected to both output ports of the folded cascode gain unit to seize a common mode of a differential output voltage to the folded cascode operational amplifier circuit. According to the common mode feedback circuit, the first switch transfers a bias voltage(BIAS4) to one end of the first capacitor, and the second switch connects a signal line(CML) to another end of the first capacitor. The third switch connects one end of the first capacitor to an output port(CMFB). The fourth switch connects another end of the first capacitor to a differential output port(OUTT). The fifth switch transfers the bias voltage to one end of the second capacitor, and the sixth switch connects the signal line to another end of the second capacitor. The seventh switch connects one end of the second capacitor to the output port(CMFB), and the eight switch connects another end of the second capacitor to the differential output port.
Patent KR-20020065091-A (KR)
Title: System of multipoint conference
Inventor: CHO HWI GYEONG
IPC: H04N7/15
Filed: 2001-02-05
Abstract: PURPOSE: A multilateral video conference system is provided to make a client perform an asynchronous work and a real-time work via user registration and user login, to carry out a video conference without a server, thereby implementing smooth video communication. CONSTITUTION: A chorus(1) is a video conference program. The chorus is connected to a server(2), and transmits/authenticates user information. A client performs an asynchronous work and a real-time work via user registration and user login, to carry out a video conference without the server. Many parties transmit videos and audio on a network. The asynchronous work corrects personal profiles, and generates/corrects/deletes user groups, then sets each device, personal using environments, and multimedia mail user environments. The asynchronous work sets and confirms status information. The real-time work is composed of bilateral conversation application/approval, multilateral shared work request/approval, and multilateral conference hosting room generation. The multilateral conference hosting room generation is composed of conference participating invitation, conference participating request approval, and conference participant extraction/conference ending.
Patent KR-20020065676-A (KR)
Title: Feed additive containing beta-glucan
Inventor: CHOI WON A
IPC: A23K1/16
Filed: 2001-02-07
Abstract: PURPOSE: A feed composition using beta-glucan as a feed additive is provided which accelerates the growth of livestock as well as increasing self-protecting ability for protecting from diseases using immunostimulating activity of the beta-glucan. CONSTITUTION: This feed composition contains 0.002 to 0.2% by weight of beta-glucan produced from Agrobacterium or Alcaligenes faecalis, based on the weight of dried feed. For example, the beta-glucan is added to conventional feed in an amount of 0.01%, 0.025% and 0.05% respectively and fed to 30 chickens per each sample. The amount of 0.025% by weight of beta-glucan used exhibits the best result of them in mortality, intake amount of feed, demand rate of feed.
Patent KR-20010082108-A (KR)
Title: Signal construction, detection and estimation for uplink timing synchronization and access control in a multi-access wireless communication system
Inventor: LAROIA RAJIV
IPC: H04L27/26
Filed: 2001-02-09
Abstract: PURPOSE: To provide structuring, detection and estimation technology of a signal used for uplink timing synchronization and access control in a wireless communication system adopting the orthogonal frequency division multiplex system(OFDM) or other types. CONSTITUTION: In an illustrative embodiment of this invention, a timing and access signal transmitted in designated timing and a designated access interval is structured with an orthogonal multi-tone signal. The multi-tone signal can be obtained similarly to the case with a multi-tone signal used for transmission of OFDM data except for correspondence of the multi-tone signal to a timing error of a mobile station not synchronized yet through the extension of a cyclic prefix related to reception of the signal by a base station.
Patent KR-20010085574-A (KR)
Title: Process for producing a ferroelectric capacitor arrangement
Inventor: HARTNER WALTER
IPC: H01L27/105
Filed: 2001-02-24
Abstract: PURPOSE: A method of fabricating a ferroelectric capacitor is provided to have two pieces or more of withstand voltage which are different from each other. CONSTITUTION: The first electrode structure(11) having the surface which forms at least two-height levels is formed on a substrate(1), a ferroelectric layer(13) having different thicknesses is formed on the first electrode structure(11) by a spin coating method, and sequentially, the second electrode structure(12) is formed on the ferroelectric layer(13).
Patent KR-20010085678-A (KR)
Title: Liquid silicone rubber composition of low specific gravity
Inventor: OKA YUTAKA
IPC: C08K7/22
Filed: 2001-02-27
Abstract: PURPOSE: To provide a low-specific gravity liquid silicone rubber composition that can yield a low-specific gravity silicone rubber having excellent dimensional stability at molding as well as on heating or on cooling after its thermal curing. CONSTITUTION: This low-specific gravity liquid silicone rubber composition comprises a diorganopolysiloxane that is liquid at ordinary temperature and has at least two silicon atom-bonded alkenyl groups in one molecule, an organohydrogenpolysiloxane having at least two silicon atom-bonded hydrogen atoms in one molecule, a platinum-type catalyst, hollow powder particles having crusts made of a thermoplastic resin other than a silicone resin and containing a gas, and hollow powder particles having crusts made of a thermoplastic silicone resin and containing a gas.
Patent KR-20020069826-A (KR)
Title: method for memory management in digital system
Inventor: LEE GYEONG MI
IPC: H04N21/434
Filed: 2001-02-28
Abstract: PURPOSE: A memory maintaining method for a digital system is provided to store more data without degrading the performance of the system by maintaining the data by a plurality of storing units to compress partially. CONSTITUTION: A memory maintaining method for a digital system includes the steps of forming a plurality of free-memory blocks by dividing an assigned memory into blocks of a predetermined size(S1), forming compression/extension areas coupled with at least one or more of the memory blocks(S2), setting a priority to the free memory blocks except the memory blocks in the compression/extension areas(S3), and carrying out the data operation of input information in the free memory blocks per block and carrying out the compression/extension of the data generated by the operation in the compression/extension areas according to the set priority(S4).
Patent KR-20020071376-A (KR)
Title: Method and apparatus for generating channel identification codes in a mobile communication
Inventor: SONG YEONG JUN
IPC: H04B7/26
Filed: 2001-03-06
Abstract: PURPOSE: An apparatus and a method for generating a channel recognition code in a mobile communication system are provided to maintain an optimum performance by generating a (24,12) extended Golay code on the basis of a (23,12) Golay code, generating an optimum (48,12) codeword, and generating the generated optimum (48,12) codeword. CONSTITUTION: A (23,12) Golay code generating unit generates a (23,12) Golay code using input information. An adding unit adds the generated (23,12) Golay code to random information. A (24,12) extended Golay code generating unit generates a (24,12) extended Golay code with a different codeword length according to the added result. A repeating unit repeats the all or part of the (24,12) extended Golay code at least one or more.