baber/WOPTO huggingface dataset:
Patent KR-20010070147-A (KR)
Inventor: ISHIOKA NARUTOSHI
IPC: A01C11/02
Filed: 2000-10-18
Abstract: PURPOSE: Provided is a seedling transplanter to improve the operability of operating levers. CONSTITUTION: The seedling transplanter is obtained by respectively distributing and installing operating levers(62 and 64) for performing the on-off operations of driving and lifting and lowering of a seedling planting part on either one of the left and the right sides of a maneuvering seat(29) and further operating levers(60 and 63) for carrying out the regulation of the travel speed of a machine body on the other side of the left and the right sides.
Patent KR-20020031786-A (KR)
Title: A holder to file a paper
Inventor: YOON GWANG BONG
IPC: B42D17/00
Filed: 2000-10-24
Abstract: PURPOSE: Provided is a paper fixing tool for binding which is configured in a folding style at one side and unfolded to bind subjects to be bound so that it gives convenience in use. CONSTITUTION: In the common paper fixing tool for binding which forms a ring combination part(1) in the upper part, the paper fixing tool for binding is characterized by comprising the parts of: a folding part(2) which is formed at one side of the paper fixing tool; a curved projection part(5,5a) in which the projected parts are in gear vertically to fix the paper fixing tool at the internal side of the fixed side(3) and a folding side(4) of the paper fixing tool; and an inclination projection part(6) which fixes the subjects to be bound.
Patent KR-20020031827-A (KR)
Title: Locking device of index table for machine tool
Inventor: CHOI EON DON
IPC: B23Q16/00
Filed: 2000-10-24
Abstract: PURPOSE: A locking apparatus is provided to easily fix a turntable of an index table regardless of an angle of the turntable by directly fixing or releasing the turntable of the index table using hydraulic pressure. CONSTITUTION: A turntable(2) is rotated on an index table about a shaft(3). A ring shaped protrusion(2a) is formed at a lower side of the turntable(2). A worm gear(4) is fixedly installed at a lower end of the protrusion(2a) of the turntable(2). The protrusion(2a) of the turntable(2) and the worm gear(4) are rotatably installed at a groove(5a) formed on an upper surface of a body(5). A worm engaged with a worm gear(4) is rotated by a motor so as to rotate the turntable(2). A plurality of fluid passages(11) are formed in the body(5). A piston mounting part(12) communicated with the fluid passages(11) is formed in the body(5). A piston(13), a rod supporting member(14) and plug member(15) are installed on the piston mounting part(12).
Patent KR-20010040178-A (KR)
Inventor: AMADDEO ANGELA
IPC: B60C9/18
Filed: 2000-10-26
Abstract: PURPOSE: A low rolling resistance tire is provided to balancingly realize rolling resistance, handling, and comfortableness. CONSTITUTION: A low rolling resistance tire(1) for vehicles comprises at least one belt layer(7) coaxially extending around at least one carcass layer(3), a composite tread(10) coaxially extending around the belt layer(7) and comprising a radially outer layer(12) an a radially inner layer(11), wherein the ratio between the modulus of elasticity E' at 70 deg.C of the radially inner layer and the modulus of elasticity at 70 deg.C of the radially outer layer is comprised between 1.1 and 3, and the ratio between the value of tang delta at 70 deg.C of the radially inner layer and the value of tang delta at 70 deg.C of the radially outer layer is lower than 0.8. Advantageously, the tire(1) achieves a better compromise between the characteristics of rolling resistance, handling and comfort with respect to what is obtainable from known tires for the same type of use.
Patent KR-20020036211-A (KR)
Title: method and apparatus of distributing IP addresses to the clients in DHCP system
Inventor: LEE SEUNG DONG
IPC: H04L12/28
Filed: 2000-11-08
Abstract: PURPOSE: A method for embodying a priority of an IP address and a DHCP(Dynamic Host Configuration Protocol) server for embodying the same are provided to enable a user who uses a DHCP client for receiving a licensed or a private IP in a priority to embody reliable network environment in case that a network environment is constructed using a method for supplying a priority in accordance with an IP distribution of a DHCP server. CONSTITUTION: An IP address pool(40) stores an IP address. An IP address rank deciding module(60) embodies a rank on the IP address stored in the IP address pool(40). An IP address selection module(50) selects one IP address of the IP pool and transmits an IP address to a data source(20) of a message transmission module(10). A message transmission module(10) includes a data source(20) and a data sink(15). In addition, a host setting module(30) is provided, and an error report module(70) and a timer(80) can be provided.
Patent KR-20020038390-A (KR)
Title: A method for manufacturing hot rolled galvanized iron steel sheets having high yield ratio
Inventor: KANG YONG SIK
IPC: C23C2/06
Filed: 2000-11-17
Abstract: PURPOSE: Provided is a process of preparing hot-dipped galvanized iron having an elongation of 20% or more and tensile strength of 58kgf/mm¬2 or more while having a high yield ratio. Whereby, the iron product can be effectively used as material for a deck plate, a pipe or the like. CONSTITUTION: A slave containing by weight, 0.13 to 0.17% C, 1.2 to 1.4% Mn, 0.05% or less P, 0.05% or less S, 0.02 to 0.045% sol. Al, and 0.02 to 0.03% Nb is reheated at 1,150 to 1,200deg.C, hot rolled at a transformation temperature or more, and reeled at 560 to 630deg.C. The hot rolled coil is then subjected to hot dip galvanizing, air-cooling, and quenching and tempering at a reduction ratio of 0.1% or less.
Patent KR-20020043327-A (KR)
Title: Stem thrust measuring method for motor operated valve
Inventor: CHAI JANG BOM
IPC: G01L5/12
Filed: 2000-12-02
Abstract: PURPOSE: A method for measuring force of stem is provided to eliminate the necessity of disassembling motor driven valve by easily measuring the force of stem during the shut-off stroke of motor driven valve. CONSTITUTION: A method comprises a first step(S10) of measuring a motor torque generated during open stroke of the motor driven valve; a second step(S20) of measuring the force of stem by using a force sensor arranged at the upper portion of the motor driven valve, when the stem is lifted by the open stroke of the motor driven valve; a third step(S30) of obtaining efficiency of stem lifting unit, from the motor torque and force measured in the first and second steps, respectively; a fourth step(S40) of calculating a lifting packing force being applied to the stem by the packing during lifting of the stem, by multiplying the motor torque measured in the first step and the efficiency of stem lifting unit obtained in the third step ; a fifth step(S50) of measuring a motor torque generating during shut-off stroke of the motor driven valve; a sixth step(S60) of calculating a lowering packing force being applied to the stem by the packing during lowering of the stem, by using the lifting packing force calculated in the fourth step; a seventh step(S70) of obtaining efficiency of stem lowering unit, from the motor torque and the lowering packing force measured in the fifth and sixth steps, respectively; and an eighth step(S80) of calculating stem force during shut-off stroke of valve, by multiplying the motor torque measured in the fifth step and the efficiency of stem lowering unit obtained in the seventh step.
Patent KR-20010062166-A (KR)
Inventor: IBUKI HIROAKI
IPC: H01J9/227
Filed: 2000-12-06
Abstract: PURPOSE: Provided is an exposure device for forming a phosphor screen in a color cathode-ray tube being able to compensate such landing errors of paired side beams as being unable to be compensated by the existing compensating lenses. CONSTITUTION: This exposure device to form a phosphor screen in the cathode- ray tube is designed so that the side of the central axis(31) from the light source(41) to the panel(1) inclines to approach the panel(1) and that one of optical lenses(28,42) is provided with a shape being able to relatively alter the pattern distance at the vertical axis ends against the pattern distance at the center of the panel(1) baked at the location opposing to a pair of the light beams.
Patent KR-20020045814-A (KR)
Title: Structure for sealing of dish washer which is of drawer type
Inventor: HAN DAE YEONG
IPC: A47L15/42
Filed: 2000-12-11
Abstract: PURPOSE: A closing structure of a drawer type dishwasher is provided to effectively improve a door type dishwasher in its water leakage structure by closely sealing a contact face between an upper portion of a washing vessel and a lower portion of a cabinet using a tube. CONSTITUTION: A closing structure of a drawer type dishwasher comprises a cabinet(120) having an upper opened structure in which a tableware is received and forming an appearance thereof, a washing vessel(110), and a tube(170). The washing vessel is installed in an opening of the cabinet and has an upper opened structure in which a tableware is received. The tube is installed to a lower portion of the upper face of the cabinet so as to close a contact face between the lower portion of upper face of the cabinet and the upper portion of the washing vessel.
Patent KR-20020046843-A (KR)
Title: rotor shaft structure of alternator for automobile
Inventor: PARK HYEON SU
IPC: H02K15/00
Filed: 2000-12-15
Abstract: PURPOSE: A rotor shaft structure of alternator for car is provided to heighten a high frequency treatment effect for annealing by decreasing a sudden diameter step between a rear shaft end unit and a core combination unit. CONSTITUTION: A rear shaft end unit(30) with which a rear bearing is combined, and a core combination unit(10) with which a rotor core is combined have a diameter step therebetween. A plurality of step unit(11) are formed between the rear shaft end unit(30) and the core combination unit(10).
Patent KR-20010062597-A (KR)
Title: Vacuum pump
Inventor: NAMIKI HIROTAKA
IPC: F04D29/058
Filed: 2000-12-21
Abstract: PURPOSE: A vacuum pump is provided to restrict the transmission of vibration to an external container without using a damper. CONSTITUTION: A vacuum pump has an outer cylinder part(16); a rotor part(14) and a stator part(18) contained in the outer cylinder part for forming a carrying part for gas taken in from an intake port(38); a magnetic bearing(20) for supporting the rotor part to the stator part; a motor(21) for rotating the rotor part to the stator part; a base(19) for supporting the outer cylinder part and the stator part; and a vibration absorption member(50) having natural frequency of F=(f1+f3)/2+-(f1-f3)/4, disposed between the stator part and the base. Herein, f1 is the natural frequency of nutation of the rotor part rotated at a rated rotation number in the conical mode, f2 is its natural frequency in the parallel mode, and f3 is the natural frequency of its precession in the conical mode. The vacuum pump inhibits vibration transfer to an external container without using a damper.
Patent KR-20020050972-A (KR)
Title: Controlling method in mobile communication systems
Inventor: LEE JIN U
IPC: H04W24/00
Filed: 2000-12-22
Abstract: PURPOSE: A method for operating a mobile system is provided to achieve the normalization of a system within a rapid time. CONSTITUTION: A system for operating a mobile system is composed of a BSM(Base Station Manager,10) and a BTS(Base Transceiver Subsystem,20). The BSM(10) covers the operation, management and maintenance of the whole of the BTS(20). The BTS(20), connected through an E1/T1 line, a physical trunk line of the BSM(10), consists of an ECPA(Enhanced Control Processor Assembly,21), a main control board(22), and destinations(23). The ECPA(21) comprises an EDM(Enhanced Device Management) block(21a) that receives a command from the BSM(10) and executes an application operation. The main control board(22) controls a relevant shelf that the ECPA(21) executes actually. The destinations(23) are finally managed through the main control board(22).
Patent KR-20020054905-A (KR)
Title: Method for manufacturing transistor in sram device
Inventor: KIM DO U
IPC: H01L21/334
Filed: 2000-12-28
Abstract: PURPOSE: A fabrication method of transistors of SRAMs(Static Random Access Memories) is provided to prevent oxide residues by depositing an oxide barrier layer before a gate oxidation. CONSTITUTION: After sequentially forming a gate insulating layer(12) and a conductive layer(13) on a semiconductor substrate(11), a gate is formed by patterning the conductive layer(13) and the gate insulating layer(12). At this time, the gate insulating layer(12) is residual to prevent a contact between the semiconductor substrate(11) and a following oxide barrier layer(100). Then, the oxide barrier layer(100) made of a capping nitride is deposited on the entire surface of the resultant structure with a thickness of 50 angstrom and an oxidation is performed on the resultant structure so as to restrain a plasma damage. At this time, the oxide barrier layer(100) prevents an oxidation of the conductive layer(13).
Patent KR-20020055031-A (KR)
Inventor: KIM HYEON GI
IPC: B60K28/00
Filed: 2000-12-28
Abstract: PURPOSE: A method for passing through a speed bump is provided to reduce the shock transmitted from the surface of a road, and to relieve the fatigue of a passenger by restraining the bouncing of a vehicle when passing through a speed bump. CONSTITUTION: A driver steps on a brake pedal in front of a speed bump(11,12). An ECU(Electronic Control Unit) repeatedly operates an ABS(Anti-lock Brake System) hydraulic device by using the signals transmitted from a bake pedal operation sensor and a speed bump sensor and the signals transmitted from a front G sensor and a rear G sensor. Then, a braking power is generated by the ABS(13). Therefore, the bouncing of a vehicle when passing through the speed bump is reduced.
Patent KR-20020058752-A (KR)
Title: Apparatus of measuring an outside noise for vehicles
Inventor: KI JEONG DO
IPC: G01H11/06
Filed: 2000-12-30
Abstract: PURPOSE: A device for measuring outside noise of vehicle is provided to improve performance recognizing noise source. CONSTITUTION: A device includes a vehicle(10) generating noise; a sound absorbing plate(20) installed on one side of an outside of the vehicle and absorbing the noise to measure; a control device installed on one side of the sound absorbing plate to control direction and position of the sound absorbing plate; more than one microphones(30) installed on the sound absorbing plate to collect sound; a data processing device connected with the microphone to process data about the noise; and a control device(40) connected with the data processing device and the control device to control.
Patent KR-20010023279-A (KR)
Title: 광 증폭 중계 시스템
IPC: H04B10/08
Filed: 1999-06-18
Abstract: 중계국(10)에서는 단국(1) 또는 중계국(20) 각각으로부터 도달한 신호광 및 감시광의 이상의 유무를 검출하여, 그 검출 결과에 근거하여 광 증폭기(11,12)의 동작 및 감시광을 제어한다. 단국(1)으로부터 하강 방향의 광 전송로를 통하여 도달하는 신호광 및 감시광의 쌍방이 이상인 경우에는, 하강 방향의 광 증폭기(11)는, 스스로 증폭 동작을 정지하고, 또한, 감시 제어 장치(13)는 다른쪽의 상승 방향의 광 증폭기(12)의 증폭 동작도 정지시키고, 단국(1)으로의 상승 방향의 감시광의 송신도 정지시킨다.
Patent KR-20010023310-A (KR)
Title: 저역 통과 구성을 이용하는 ｓａｗ 필터 및 그 제조 방법
IPC: H03H9/64
Filed: 1998-05-08
Abstract: 음향파 공진기 필터(10)는 사다리형 회로망에서 직렬 및 병렬 공진기 소자들(22, 24)을 제공한다.  직렬 소자들(22)은 저역 통과 구성으로 구성된다.  분로 소자들(24)은 필터의 통과 대역에서 임피던스 인버터로 동작하고 차단 대역에서 직렬 소자들(22)의 반공진 주파수에서 직렬 공진하여, 부가적인 아이솔레이션(isolation)을 제공한다.  소자들(22, 24)의 전극들(14)은 통과 대역에서 직렬 공진 주파수의 손실을 개선하는 금속 두께를 가지고 있어, 삽입 손실(insertion loss)을 개선한다.  그러나, 반공진 주파수 부근에서의 임의의 손실 증가는 분로 소자들(24)의 공진 주파수 부근에서 감소된 손실에 의해 보상된다.  저역 통과 구성, 배열된 직렬 소자들의 반공진 주파수 및 분로 소자 공진 주파수는 바람직한 삽입 손실과 전송 대역과 수신 대역 사이의 완전한 아이솔레이션을 제공하고, 사다리형 회로망에 필요한 소자들의 개수를 감소시키면서 우수한 차단 대역 특성을 유지한다.
Patent KR-20010023792-A (KR)
Title: 무선 송수신기와 전세계 측위 시스템 수신기 간의 무선 이동 단말기에서 기준 주파수 신호를 공유하는 시스템 및 방법
IPC: H04B1/40
Filed: 1998-09-03
Abstract: 무선 통신 시스템용 무선 이동 단말기는, 무선 송/수신기, 전세계 측위 시스템(GPS) 수신기를 포함하는데, 상기 무선 송/수신기 및 상기 GPS 수신기는 주파수 기준 신호를 공유한다. 주파수 기준 신호에 정수 배 곱하여, GPS 신호의 신호 처리용 중간 주파수로의 신호 변환을 위해 제 1 국부 발진기를 만들 수 있다. 추가적으로, 주파수 기준 신호를, 또한 저 주파수로 나누어 제 2 중간 주파수로의 변환용 제 2 국부 발진기를 만들 수 있다. 주파수 기준 신호는 또한 분리되어, GPS 수신기에서의 아날로그 대 디지털 변환기 샘플링 신호등의 기타 신호 처리를 위해 필요한 주파수를 만들 수 있다. 무선 송/수신기의 주파수 합성 메카니즘내의 상이한 위치로부터 주파수 기준 신호를 얻을 수 있다. 예컨대, 한 실시예에 있어서, 주파수 기준 신호는 기준 발진 신호이고, 다른 실시예에 있어서, 주파수 기준 신호는 무선 주파수 신호이며, 또 다른 실시예에 있어서, 주파수 기준 신호는 무선 주파수 제어 신호이다. 기지국 반송파로 로킹함으로써, 주파수 에러를 주파수 기준 신호로부터 제거할 수 있다.
Patent KR-20010031180-A (KR)
Title: 다중핵 메탈로센 촉매를 사용한 다중모드 중합체 조성물제조방법
IPC: C08L23/08
Filed: 1998-10-16
Abstract: 본 발명은 다중모드 중합체 조성물 제조 방법에 관한 것이다. 본 발병의 방법은 중합조건하에서, 선택 첨가 중합가능한 단량체를 둘 이상의 독특하고 화학적으로 상이한 활성자리를 갖는 메탈로센촉매 및 촉매 활성제와 접촉시키는 것을 포함한다. 촉매는 (Z)구조를 갖는다.
Patent KR-20010024730-A (KR)
IPC: C30B25/02
Filed: 1998-12-14
Abstract: An improved chemical vapor deposition method is disclosed that increases the uniformity of silicon carbide epitaxial layers and that is particularly useful for obtaining thicker epitaxial layers. The method comprises heating a reactor to a temperature at which silicon carbide source gases will form an epitaxial layer of silicon carbide on a substrate in the reactor; and then directing a flow of source and carrier gases through the heated reactor to form an epitaxial layer of silicon carbide on the substrate with the carrier gases comprising a blend of hydrogen and a second gas in which the second gas has a thermal conductivity that is less than the thermal conductivity of hydrogen so that the source gases deplete less as they pass through the reactor than they would if hydrogen is used as the sole carrier gas.
Patent KR-20010052165-A (KR)
IPC: A61P31/20
Filed: 1999-02-11
Abstract: A strategically modified hepatitis B core protein is described, where an insert is provided, preferably in an immunodominant region of the nucleocapsid protein, containing a chemically reactive amino acid residue. The modified hepatitis B core protein or its aggregated nucleocapsid protein particles can be pendently linked to a hapten to form a modified nucleocapsid conjugate. Such a conjugate is useful in the preparation of vaccines or antibodies. The modified hepatitis B core protein can also be modified to include a T cell epitope.
Patent KR-20010041397-A (KR)
Title: 허혈 치료용 ｎ-[(치환된 5원 디- 또는 트리아자 이불포화고리)카르보닐] 구아니딘 유도체
IPC: A61K31/41
Filed: 1999-02-05
Abstract: 본 발명은 NHE-1 억제제, 이와 같은 NHE-1 억제제의 사용 방법 및 이러한 NHE-1 억제제를 함유하는 제약 조성물에 관한 것이다.  NHE-1 억제제는 조직 허혈로 인한 조직 손상을 감소시키는 데 유용하다.
Patent KR-20010041695-A (KR)
Title: 성형 호스 이음 조립체
IPC: F16L33/24
Filed: 1999-03-12
Abstract: 본 발명은 성형 호스 이음 조립체, 예를 들어 유체 회로용 접속부, 분기 호스 및 유출 장치에 관한 것으로, 보다 구체적으로 말하자면 자동차 및 공업용 냉각수 회로 조립체에 사용되는 성형 호스 이음 조립체에 관한 것으로, 이러한 조립체는 종래 기술의 구조에 비해 감소된 양의 성형 외부 덮개 요소를 포함하며, 이 외부 덮개 요소는 대체로 가요성의 호스 단부의 접속 지점을 대체로 강성이 있는 내부 접속 부재까지 거의 에워싼다.  외부 덮개 요소는 2개 이상의 호스 접속 지점의 둘레에 단일체 또는 상호 접속 링을 형성한다.  이러한 성형 호스 이음 조립체를 제조하기 위한 융통성 있는 제조 방법이 제공된다.
Patent KR-20010071305-A (KR)
Title: 반송파 누설을 보상하는 직교 변조기
IPC: H03C3/40
Filed: 2000-03-06
Abstract: 본 발명은 셋-엔드-포겟(set-and-forget) 반송파 누설을 보상하는 직교 변조기에 관한 것이다.  상기 직교 변조기는 동위상 브랜치 및 직교 브랜치를 포함한다.  동위상 및 직교 브랜치에서, 실시간 디지털 신호가 아날로그 신호로 변환되며, 상기 아날로그 신호는 필터링되고, 상기 필터링된 아날로그 신호는 반송파 신호 및 상기 반송파의 90도 위상 전이된 버전으로 각각 변조된다.  상기 변조된 동위상 신호 및 직교 신호는 가산되어 직교 진폭 변조 신호를 형성한다.  양호하게는 상기 직교 변조기의 파워 상승시, 동위상 및 직교 브랜치에서 반송파 누설이 측정된다.  상기 측정된 반송파 누설은 비교기에 공급되며, 상기 비교기는 반송파 누설이 각각의 동위상 및 직교 브랜치에서 최소일 때, 토글한다.  직교 변조기의 파워 상승시, 상태 머신은 보상 신호를 동위상 및 직교 브랜치에 주입하는 신호 발생기의 동작을 각각 개시하여, 동위상 및 직교 브랜치의 dc 오프셋이 감소하며, 이것에 의해 동위상 및 직교 브랜치의 반송파 누설을 감소시킨다.  비교기가 토글하면, 상태 머신은 출력 신호가 고정되는 대응하는 신호 발생기의 제어를 중지하도록 명령을 받는다.
Patent KR-20010044269-A (KR)
Title: Mattress
Inventor: KIM HUN SANG
IPC: A47C27/00
Filed: 2001-01-30
Abstract: PURPOSE: A mattress is provided to support the head, waist and back of a user comfortably and to restrain the shake or movement of a user's body. CONSTITUTION: A mattress comprises: a waist-backing part(12) contacted to the waist part to support the waist of a user; a hips-backing part(14) formed to be lowered gradually toward the contact part with the legs of the user from the waist-backing part and contacted to the hips of the user to support the hips; a crotch-backing part(15) put to be opposite to the hips-backing part, contacted to the part between legs of the user to support the crotch and included with an air bag(50) inflated and deflated with air; an upper body-backing part(16) lowered gradually toward the contact part with the head of the user from the waist-backing part and contacted to the back and shoulder of the user to support; a handle part(20) installed to both sides of the hips-backing part not to be moved to the direction of force added by being caught in both hands when adding force to the user in bed from legs to the head; a feet-backing part(30) installed to the lower part of the hips-backing part not to be moved to the direction of force added by being caught in feet of the user when adding force to the user in bed from the head to the legs; and a pair of belts(40) installed to both sides of the waist-backing part to wind round the waist part of the user on mutual connection.
Patent KR-20010035271-A (KR)
Title: automatic incinerator of human body's excrement applicable to toilet
Inventor: HAN KAB YONG
IPC: F23G5/00
Filed: 2001-01-30
Abstract: PURPOSE: An excrement incinerator needs inexpensive installation and maintenance cost and protect water resources by not using water to hygienically dispose of excrement. CONSTITUTION: A perpendicularly inclined pipe body(8) is formed to connect between a closet(1) and an incinerating oven. Multiple opening and shutting doors(9, 9') are formed vertically layeredly in the middle of the pipe body(8) to form compartments(11, 11'). Driving motors(10, 10') are installed on one sides of the opening and shutting doors(9, 9') to be engaged with racks(12) and pinions(13) to open and shut the opening and shutting doors(9, 9') sliding. The multiple compartments(11, 11') temporarily store excrements to increase disposal capacity.
Patent KR-20010078794-A (KR)
Title: Analogue frontend
Inventor: MENKHOFF ANDREAS
IPC: H04Q7/32
Filed: 2001-02-09
Abstract: PURPOSE: An analog front end is provided, which is used in a receiver for communication unit, to control a precise driving level. CONSTITUTION: An analog front end, which is used in a receiver for communication unit, includes plural analog constitution elements(1 - 3) which is connected with the up stream of an analog/digital converter(4). For the purpose of controlling the driving levels of the individual analog constitution elements(1 - 3) precisely, the input of the analog/digital converter(4) can optionally be connected to one of the analog constitution elements(1 - 3) through a switch(8). Driving level control signals for the analog constitution elements(1 - 3) are generated by evaluating a sample value supplied by the analog/digital converter(4).
Patent KR-20010082723-A (KR)
Title: Apparatus and method for position control of optical system and storage and reproduction appratus
Inventor: ICHIMURA ISAO
IPC: G01Q60/22
Filed: 2001-02-16
Abstract: PURPOSE: To provide a position control device for an optical system, capable of highly precisely positioning a lens in an near-field optical system using a solid immersion lens. CONSTITUTION: An objective lens 2 and a solid immersion lens 3 are fixed to a lens holder 4. The lens holder 4 is moved in the tracking direction of an optical disk 51 by a tracking actuator 5, and moved in a focusing direction by a focus actuator 8. The focus actuator 8 is controlled based on capacitance generated between the solid immersion lens 3 and an optical disk 51.
Patent KR-20010088353-A (KR)
Title: Positive-working photosensitive composition
Inventor: AOAI TOSHIAKI
IPC: C08L101/00
Filed: 2001-02-23
Abstract: PURPOSE: To provide a positive photosensitive composition excellent in developability (particularly reduction of residue on development and development defects) and excellent also in sensitivity, resolving power and the shape of pattern profile. CONSTITUTION: The positive photosensitive composition contains a compound which generates an acid when irradiated with active light or radiation, a resin which is decomposed by the action of the acid to increase its solubility in an alkali developing solution and an N,N-dialkylcarboxylic acid amide.