baber/WOPTO huggingface dataset:
Patent KR-20000025685-A (KR)
Title: Method and device for refreshing semiconductor memory
Inventor: YOUN MIN HO
IPC: G11C11/401
Filed: 1998-10-13
Abstract: PURPOSE: A device for refreshing a semiconductor memory is provided to refresh all memory cells by pumping a voltage of a cell capacitor plate according to a constant refresh rate only one times. CONSTITUTION: A refresh device of a semiconductor memory comprises a charge pump which is connected to a cell plate line(a) supplied with a cell plate voltage. The charge pump is composed of a resistor and a PMOS transistor connected in series between a power supply voltage and the cell plate line(a). The PMOS transistor is turned on and off according to an oscillation control signal. Or, the charge pump is composed of four PMOS transistors. A first and a second PMOS transistors have a current electrode connected to the cell plate line(a), respectively. The first PMOS transistor has a gate connected to the other current electrode of the second PMOS transistor and to a gate of a third PMOS transistor, and the second PMOS transistor has a gate connected to the other current electrode of the first PMOS transistor and to a gate of a fourth PMOS transistor. Both current electrodes of each of the third and fourth PMOS transistors are connected to receive an oscillation control signal in common.
Patent KR-20000027357-A (KR)
Title: Capacitor of ferroelectric memory device and manufacturing method thereof
Inventor: KIM NAM KYUNG
IPC: H01L27/10
Filed: 1998-10-28
Abstract: PURPOSE: A capacitor of a ferroelectric memory device and a manufacturing method thereof are provided to assure electric characteristics and process margin due to the reduction of leakage current of a ferroelectric thin film. CONSTITUTION: A capacitor of ferroelectric memory device comprises a lower electrode(24) and a ferroelectric thin film(25) sequentially laminated on a prescribed lower layer; a barrier oxide film consisted of a first tantalum oxide(26)/tantalum nitration(27)/second tantalum oxide(28) structure; and an upper electrode(29). The barrier oxide film caps the lower electrode and the ferroelectric thin film. The upper electrode passes through the barrier oxide film
Patent KR-20000032610-A (KR)
Title: Method for scheduling cell in of asynchronous transfer mode switch
Inventor: MUN SEUNG JIN
IPC: H04L47/6275
Filed: 1998-11-16
Abstract: PURPOSE: A method for scheduling and a recording medium for reading a program by using a computer are provided to secure impartiality in every traffic distribution by generating diagonals for each direction while converting priority of scheduling in each input port for ATM switch having input queue. CONSTITUTION: Plural ordinary diagonals are generated, and a certain diagonal is selected from the diagonals. After giving a priority order to each time slot in the selected diagonal, moving direction is added or subtracted for each time slot to deciding cell to be transferred to one time slot. Also, an ATM switch contains input modules(111-11N) connected to input ports, a spatial switch(120) of NXN non-blocking for switching the signal transferred through the input modules to desired output port, and a cell scheduler(130) of central studio system connected to the input modules. Herein, the input modules are composed of an input buffer(101) and a controller(102) of input queue connected to the cell scheduler for controlling the input queue. Therefore, the cell scheduler decides the cell to be transferred to each time slot according to the control information of the controller of input queue.
Patent KR-19990062590-A (KR)
Title: 합성수지제 단열 기물
IPC: B65D81/38
Filed: 1998-11-23
Abstract: 본 발명은 장기간에 걸쳐 단열 성능을 유지하며 경량이고 저렴하며 상품 수명이 긴 합성수지제 단열 기물에 관한 것이다. 
     합성수지제 내용기 3을 이보다 약간 크고 거의 유사 형상의 합성수지제 외용기 4에 공극 5를 두고 수용하고, 각 개구부 끝 3a, 4a를 결합 일체화한 이중벽 구조의 용기의 공극부 5에, 기체장벽성의 합성수지로 되는 기체 봉입용 용기 7 내에 저열전도율의 기체 Z를 봉입하고 수분 흡착제 M, 산소 흡착제 S, 탄산가스 흡착제 T 등의 흡착제를 배치한 단열층부 6을 설치하여 단열 용기 1로 한다.  그래서, 단열층부 6의 합성수지를 항상 건조 상태로 함으로써 기체장벽성의 유지와 대기 성분의 흡착 제거에 의해, 봉입한 저열전도율 기체 Z가 외부로 누설되는 것과 대기 성분이 침입하는 것을 저감시키고, 단열층부 6 내의 저열전도율 기체 Z의 봉입 분압을 항상 높게 유지하여 단열 성능을 장기간에 걸쳐 유지한다.
Patent KR-19990045524-A (KR)
Title: 분리가능한 커버와 인쇄회로기판 커넥터의 연결조립체
IPC: H05K3/34
Filed: 1998-11-24
Abstract: 본 발명은 분리가능한 커버와 인쇄회로기판 커넥터의 연결조립체에 관한 것으로, 납땜연결작업시 절연하우징내에 보유지지된 복수의 전기접점을 갖춘 헤더커넥터가 인쇄회로기판에 견고하게 연결되도록 모서리 장착용 전기적 커넥터를 갖춘 커버와, 상기 인쇄회로기판의 납패드들과 연결되도록 연장되어진 납테일부를 갖춘 접점단자를 구비하되, 상기 커버는 헤더커넥터에 취부하기 위한 절연몸체를 구비하고, 상기 커버의 몸체는 이 몸체로 부터 연장형성되면서 상기 납테일부에 이격된 그리퍼아암을 갖추고, 상기 납테일부와 그리퍼아암들은 인쇄회로기판의 한쪽 모서리에 수용되도록 간격을 갖도록 형성되며, 상기 그리퍼아암와 납테일부들은 인쇄회로기판에 납패드들이 납땜연결되도록 인쇄회로기판을 보유지지하는 한편, 상기 커버는 분리가능하게 형성되면서 납땜연결작업을 하는 동안 노출된 접점단자가 보호되도록 베이플러그를 덥어씌울 수 있도록 형성되어 베이플러그가 베이소켓에 접속될 수 있도록 되어 있다.
Patent KR-20000034216-A (KR)
Title: Method of preparing ultra-fine barium titanate powder using property of sol-gel
Inventor: LEE CHEOL
IPC: C04B35/624
Filed: 1998-11-28
Abstract: PURPOSE: A method of preparing ultra-fine barium titanate powder using property of sol-gel is provided, which easily obtains the ultra-fine barium titanate powder with simple process. CONSTITUTION: The method comprises steps of: (i) keeping a reacting container containing at least one of nitric acid solution or hydrochloric acid solution at a fixed temperature and putting one material selected from an aqueous solution of titan and barium, dimethyloxalate or diethyloxalate in the reacting container and stirring to well dissolve the mixture; (ii) leaving the dissolved mixture for fixed times to change color; (iii) cooling the discolored mixture at room temperature to form gel; (iv) evaporating moisture contained in the gelled mixture without washing by heating it at a fixed temperature for a fixed time; and (v) calcining the solid powdery mixture at high temperature for a fixed time and pulverizing it into fine particles having less than 0.1 micrometer.
Patent KR-19990062862-A (KR)
Title: 이동 통신 시스템에서의 전송 전력 제어 방법
IPC: H04B7/26
Filed: 1998-12-07
Abstract: 코드 분할 다중 액세스(CDMA) 방식을 사용하는 이동 통신 시스템에서, 이동국은 우선 적은 전력으로 액세스 메시지를 제어 채널을 통해 기지국에 전송한 다음, 최소 전송 전력으로 통신하기 위해 상기 기지국으로부터 응답을 수신할 때까지 전송 전력을 점차 증가시키며, 상기 이동국은 액세스 메시지 및 이동국 전송 전력을 상기 기지국에 통지하고, 상기 기지국은 상기 이동국에 할당된 통신 채널을 통한 통신 개시시 상기 기지국이 전송하는데 필요로 하는 기지국 전송 전력의 초기값을 계산한다.  여기서, 초기 전력은 상기 이동국으로부터 상기 수신된 액세스 메시지에 추가된 이동국 전송 전력에 근거하여 계산된다.
Patent KR-20000044216-A (KR)
Title: Method for changing relation regarding statistical information of full-electronic switch
Inventor: KIM CHANG SOO
IPC: H04Q1/00
Filed: 1998-12-30
Abstract: PURPOSE: A method for changing a relation regarding statistical information of a full-electronic switch is provided to accurately access the relation by completing a relation change of a main processor, completing the relation change of a call processor, and reading a changed relation in a statistical data collecting unit. CONSTITUTION: If a command for changing statistical information is inputted from an operator terminal, a statistical data information changing unit(11) transmits a change request signal of statistical information to a relation managing unit(12). The relation managing unit(12) changes its relation and requests a content change of the relation to the a relation managing unit(22) of a call processor(20). If a statistical performing command is inputted from the operator terminal after the relation is changed, a statistical data information changing unit(11) transmits a data collecting start request signal to the a statistical data collecting unit(21) of the call processor(20).
Patent KR-20000045268-A (KR)
Title: Apparatus for monitoring state of radio repeater
Inventor: KIM KWANG HYUN
IPC: H04B7/26
Filed: 1998-12-30
Abstract: PURPOSE: A radio repeater state monitoring apparatus is provided to monitor an operation state of the radio repeater by using a test terminal installed between a base station and a mobile terminal. CONSTITUTION: A radio repeater state monitoring apparatus comprises a multiple of antenna(ANT2,ANT3), directional couplers(12,13), an environment monitoring device(15), an SPDT switch(11), a multiple of duplexors(21,28), and a multiple of path signal amplifiers(22,29). The antenna(ANT2,ANT3) transmits RF signals bidirectionally toward a base station(10) and a mobile terminal(40). The directional couplers(12,13), connected to the antenna(ANT2,ANT3), divides the RF signals into a transmission path and a receiving path. The environment monitoring device(15), installed within the test terminal(14), monitors an internal environment of the repeater. The SPDT switch(11) connects the couplers(12,13) and the test terminal to an active network. The duplexors(21,28) divides the RF signals into a proper transmission/receiving bandwidth.
Patent KR-19990029063-A (KR)
Title: 마킹 다이아몬드
IPC: B23K26/00
Filed: 1996-07-17
Abstract: 다이아몬드 원석(7)의 테이블 상에 x10 루페를 사용하여 육안에 가시적이지 않은 정보 마크를 만들기 위하여, 193 nm의 파장을 갖는 자외선 레이저(1)가 펄스 당 2 J/cm 2 보다 적은 플루언스로 보석의 표면에 100펄스 보다 적은 펄스를 다이아몬드(7)와 반응하는 공기의 존재 하에 방사하여 현미경을 사용하여 관측할 수 있는 다크닝이 없는 마크를 형성하기 위하여 마스크(2)와 관련하여 사용되었다.
Patent KR-19990044326-A (KR)
IPC: C01C3/02
Filed: 1996-08-29
Abstract: A catalytic process and apparatus therefor for the manufacture of hydrogen cyanide. In the process an oxygen rich oxidant stream and at least one oxidant-free feed stream containing methane and ammonia are separately preheated and rapidly mixed to form a detonable mixed stream at a temperature which is at least 50° C. below the autoignition temperature of the mixed stream. The mixed stream is then conveyed to a catalyst capable of catalyzing the formation of hydrogen cyanide at such a velocity that detonation is avoided. The process is more energy efficient and gives rise to an effluent stream containing more hydrogen than the conventional Andrussow process.
Patent KR-19990044522-A (KR)
Title: 2차전지 및 2차전지용 조립실링판
IPC: H01M10/48
Filed: 1997-07-08
Abstract: 구멍(I)을 가지고 안전회로(27)를 배치한 가요성배선판(38)과, 그 윗면에 면접촉하고 각각 배선을 통해서 안전회로(27)에 접속되는, 가스빠지기구멍을 가진 피제어입출력용플러스극(39) 및 가스빠지기구멍을 가진 안전회로용마이너스극(37)과, 가요성배선판(38)하부면에 면접촉한 PTC소자(21)와, 그 하부면에 포개진 슬릿(A)이 새겨진 밸브체(20)와는 내부가스킷(19)에 의해 일체화되고, 중앙부에서 상기 밸브체(20)와 용착하여 구멍을 가진 서브필터(18)와 내부가스킷(19)는 구멍을 가진 필터(17)의 주변부에서 코오킹되어서 실링부를 구성하고, 종래의 전지단체와 마찬가지로 취급할 수 있고, 전지내의 가스압이 이상한 고압으로 될 때에는, 신속하게 가스를 방출해서 전지의 파열을 미연에 방출할 수 있는 2차전지를 실현한다.
Patent KR-19990077056-A (KR)
Title: 자동차용 승객 보호 장치의 배치 구조
IPC: B60R21/232
Filed: 1997-11-04
Abstract: 전방 필러부에 격납된 에어백이 팽창했을 때 필러 가니쉬가 비산하는 것을 방지할 수 있는 자동차용 승객 보호 장치의 배치 구조를 제공하는 것을 목적으로 한다. 
     전방 필러부(20)에는 전방 필러 본체(38)와 필러 가니쉬(40)로 형성되는 공간 내에 에어백(16)이 격납되어 있다.  에어백(16) 팽창시에는 에어백(16)의 팽창 압력에 의해 필러 가니쉬(40)가 가압되고, 전방 필러 본체(38)와 필러 가니쉬(40) 사이에 에어백(16)의 팽창용 개구가 형성되고, 이 개구를 거쳐 자동차 실내로 에어백(16)이 팽창된다.  이 에어백(16)에는 비팽창부가 형성되어 있는 동시에 필러 가니쉬(40)에는 힌지부(46)가 형성되어 있으므로, 에어백(16) 팽창시에 필러 가니쉬(40)에 작용하는 팽창 압력이 낮아 필러 가니쉬(40)는 힌지부(46)를 거쳐 용이하게 개구된다.
Patent KR-19990087323-A (KR)
IPC: C07D405/06
Filed: 1997-02-27
Abstract: PCT No. PCT/FR97/00352 Sec. 371 Date Sep. 28, 1998 Sec. 102(e) Date Sep. 28, 1998 PCT Filed Feb. 27, 1997 PCT Pub. No. WO97/31926 PCT Pub. Date Sep. 4, 1997A compound of the formula wherein alc1, alc2 and alc3 are alkyl of up to 8 carbon atoms, n is an integer from 0 to 8, R1 and R2 are O-alkyl of up to 8 carbon atoms, or form together with the carbon atom to which they are linked a cyclic acetal which are useful intermediates to produce the compounds of the formula
Patent KR-20000022487-A (KR)
Title: Puncture, pierce, and cut resistant fabric
Inventor: KIM YOUNG HWA
IPC: A41D31/00
Filed: 1997-01-22
Abstract: PURPOSE: A fabric is provided to resist in puncture, piezo, and cut during medical process exposed to sharp material. CONSTITUTION: A puncture and cut resistant fabric is consisted of identical platelets (12) and rivets (41). The fabric comprises twist, bend, stretch by array of platelets in order to form a two dimensional sheet of the fabric. The fabric arranged into an array whereby the tops adjacent platelets are reversed so that tabs (15) on each platelet slidably engage with tabs of each adjacent platelet and are held in engagement by hooks depending from each tab and the rivets placed through apertures (26) formed by the edges of the tabs. It is constructed of material that will withstand cutting and piercing forces encountered in medical or other environments and is of thin walled construction to allow ease of use.
Patent KR-20000050985-A (KR)
Inventor: PARK SEONG CHAN
IPC: G11B7/1376
Filed: 1999-01-16
Abstract: PURPOSE: An optical pick-up device is provided to precisely adjust a laser diode and a collimating lens by adjusting the eccentricity of the collimating lens upon fixing the laser diode. CONSTITUTION: A laser diode(2) generates an optical beam. An objective lens(10) focuses the optical beam on a recording face of an optical disk(12). A photo diode(16) converts the optical beam reflected on the optical disk(12) to an electric signal. A shaping prism(6) is installed between the laser diode(2), the objective lens(10) and the photo diode(16). A collimating lens(4) is installed between the laser diode(2) and the shaping prism(6). A reflecting mirror(8) is installed between the shaping prism(6) and the objective lens(10). A sensor lens(14) is installed between the shaping prism(6) and the photo diode(16).
Patent KR-20000011171-A (KR)
Inventor: SCHNAIDER NORWERT
IPC: F04B43/12
Filed: 1999-02-08
Abstract: PURPOSE: A safety device is provided to detect the abrasion of a delivery hose for the delivery media at beginning. CONSTITUTION: A hose pump comprises:a delivery hose(1) including a textile reinforcement part(11) having strong tensile strength and combined with a liner(12) inside the reinforcement part having its inner face to be compressed by a compressing member(3); a housing(2) including a track(7) to support the outer side having the hose(1), and a side wall(6); and a compressing member(3) constituting a part of a rotor(4) rotating around a shaft(5). Herein, the abrasion point is reliably detected even though a damage is occurred in an area of a hose wall specially limited.
Patent KR-19990072744-A (KR)
IPC: H01L21/762
Filed: 1999-02-18
Abstract: 제 1기체와 제 2기체를 갈라지게 하는 일없이 분리하기 위하여, 파손된 기체를 수율을 향상시키기 위하여 반도체기판으로 다시 사용하기 위하여, 제 1기체와 제 2기체를 절연층을 개재해서 서로 접합해서 형성된 복합부재를 제 1기체속의 접합면과는 다른 개소에 형성된 분리영역에서 복수의 부재로 분리함으로써 한쪽의 기체의 일부를 다른 쪽의 기체상에 이동시키는 것을 특징으로 하는 반도체기체의 제조방법이 기재되어 있다.   분리영역의 기계적 강도는 복합부재의 접합면을 따라서 불균일하다.
Patent KR-20000056433-A (KR)
Inventor: KIM SU NAM
IPC: A61K8/97
Filed: 1999-02-22
Abstract: PURPOSE: A gel composition for massage is provided which shows a massage effect simply by wearing on the skin and also removes remained dirt or waste materials from the skin by stimulating blood circulation and consequently releasing caused by massage effect. CONSTITUTION: A massage gel composition comprises the followings: 20-50 % of soft creamy base containing one or more cereals selected from the groups of rice, wheat powder, mung bean, corn and starch extracted from a potato or a sweet potato; 20-40 % of bamboo salt having particle size of 120-400 mesh; 15-20 % of glycerine; 2-4 % of olive oil; 1-3 % of hyaluronic acid; 2-4 % of alginic acid extracted from seed weeds; 1-3 % of propolis; 0.8-1.2 % of gel type vitamin A; 0.5-1.5 % of aloe extract powder; 0.5-1.5 % of powder type sulfur; optionally 0.8-1.5 % of fragrance such as fruit fragrance or chinese herb.
Patent KR-20000060872-A (KR)
Inventor: LEE YONG SUNG
IPC: G01N33/487
Filed: 1999-03-20
Abstract: PURPOSE: A device for sensing man's excrement and urine is provided especially for a patient who has difficulty in moving, helping the protector recognize the patient's excretion state, thus it prevents skin diseases and digestion disorder. CONSTITUTION: A device for sensing excrement and urine is comprised of: a device for holding excretion(11); a device for sensing gas, temperature and/or humidity of the excretion(13), installed in the device for holding; a device for controlling(17) by the input of the signal of the sensing device; a device for signaling(15); and a device for supplying electronic power(19).
Patent KR-20000065527-A (KR)
Title: Spring
Inventor: KIM JIN UK
IPC: F16F1/04
Filed: 1999-04-06
Abstract: PURPOSE: A spring is provided to reduce hysteresis of a spring by obtaining the same load on compression and restoration corresponding to the same external force. CONSTITUTION: A spring(31) is provided for precise position control of a main control valve applied by a repetitive load from an excavator, a loader and a dump truck. To reduce hysteresis through the same load on compression and restoration corresponding to the same external force, both grinding ends(34a,34b) are closely adhered to each adjacent coil(33a,33b) to a regular length.
Patent KR-19990083499-A (KR)
Title: 일회용기저귀
IPC: A61F5/44
Filed: 1999-04-27
Abstract: 본 발명은 일회용 기저귀에서의 흡액성 패드 부재를 요도구 부근에 확실히 접촉시키는 것을 과제로 한다. 
     일회용 기저귀는 커버 부재(2)와 흡액성 패드 부재(3)로 구성된다. 커버 부재(2)는 요도구 부근을 덮는 부위(8)가 기저귀 폭방향으로 탄성 신축성을 갖는다. 패드 부재(3)는 커버 부재(2)의 내면에 부착되고, 요도구를 덮는 부위와 그 부근이 커버 부재(2)에서 요도구와 그 부근을 덮고 있는 부위(18)에 대하여 기저귀 폭방향으로 서로 이간된 2 개의 지점(51,52)에서 접합된다.
Patent KR-20000067306-A (KR)
Inventor: KIM CHUNG SEOP
IPC: A61K31/42
Filed: 1999-04-27
Abstract: PURPOSE: Quinolone substituted oxazolidinone capable of exhibiting an excellent antibacterial activity against resistant bacteria as a characteristic of an oxazolidinone antibacterial agent as well as maintaining a wide range of antibacterial activities of quinolone antibacterial agent, process for producing the same and their use as an antibacterial agent are provided which can be effectively used in the treatment of infectious diseases such as various bacterial infections. CONSTITUTION: Quinolone substituted oxazolidinone of formula 1 and pharmaceutically acceptable salts thereof, which has strong antibacterial activity against existing betalactam, quinolone, vancomycin as well as having a wide range of antibacterial activities against gram-positive and gram-negative bacteria and Pseudomonas bacteria are described. In formula, R1, R2, R4, R5, X and Y are defined in the description.
Patent KR-20000067315-A (KR)
Inventor: YOON SUK JOONG
IPC: H04N7/08
Filed: 1999-04-27
Abstract: PURPOSE: A cable television converter capable of an information display is provided to enable a converter converting a television signal transmitted by a broadcasting center into a watchable signal to display auxiliary information. CONSTITUTION: A cable television converter capable of an information display includes a display(30), a data input member(50), a memory(40), and a data processor(20). The display(30) displays current channel, time and information, etc. The data input member(50) enables a user to input arbitrary data through the display. The memory(40) stores the data input by the data input member. The data processor(20) receives the data announced to the user by the cable television broadcasting center and the data input by the data input member and displays the same on the display. The cable television converter converts the signal of cable television broadcasting into a watchable signal.
Patent KR-20000073250-A (KR)
Inventor: PARK SUNG JUN
IPC: F01L1/18
Filed: 1999-05-08
Abstract: PURPOSE: A locker arm assembly is provided to reduce noise of engine by assembling a roller bearing to a pad portion of the locker arm, and reduce gas emission by reducing wear of the pad portion. CONSTITUTION: A locker arm assembly comprises a locker arm(11) which is supported by a locker arm support shaft(15) and vertically moves by the rotation of a cam shaft(14), a roller bearing(12) installed to a pad portion of the locker arm and which converts an abrasion caused by a rotational motion of the cam shaft into a sliding rotational motion, a valve clearance adjusting screw(16) screw-coupled to an end(111) of the locker arm and which adjusts clearance of the valve which is opened/shut off by the locker arm, a nut(17) for fixing the valve clearance adjusting screw to the locker arm, and a valve bridge(18) for opening/shutting off the valve in accordance with the vertical movement of the locker arm. When the locker arm vertically moves by the rotation of the cam shaft, the cam shaft and the roller bearing contact one another, causing a wear and damage. To minimize the contact between the cam shaft and the roller bearing, the contact surface is shaped as a crown.
Patent KR-20000074047-A (KR)
Inventor: BAE SEON HYEONG
IPC: B01J19/00
Filed: 1999-05-18
Abstract: PURPOSE: A method for eluting energy by synthesis of mineral materials is provided which is able to minimize an entropy phenomenon. CONSTITUTION: The method comprises steps of: (i) pulverizing an energy-radiating mineral materials composed of 57.06% of silicone dioxide, 15.50% of aluminum oxide, 10.00% of titanium oxide, 4.70% of magnesium, 3.20% of sodium, 3.20% of potassium. 3.00% of calcium oxide, 1.40% of ferrous oxide, 1.30% of ferric oxide, 0.30% of phosphoric oxide and 0.04% of manganese oxide; (ii) operating wave by using rated voltage of 220 volt at a frequency of 30-120 hertz, where resonance wavelength is operated after finding a wavelength zone of each individual's resonance point; and (iii) after synthesizing the mineral minerals according to their ratio and having them built in a specially designed box, regulating the temperature of the inside of the box to elute a large amount of mineral materials' energy.
Patent KR-20000075006-A (KR)
Inventor: RYU JAE BONG
IPC: H02S20/30
Filed: 1999-05-27
Abstract: PURPOSE: An apparatus is provided to achieve an improved efficiency of solar energy collection. CONSTITUTION: An apparatus comprises light receiving elements(11,12,13,14,15) for sensing the position of sun, amplification units(21,22,23,24) for amplifying the signal input from the light receiving elements, relay units(51,52) for driving a horizontal driving motor(61) and a vertical driving motor(62) in accordance with the signal input from the amplification units, a manual operation unit(70) for manually operating a solar collector unit by the horizontal and vertical motors, disconnecting switches(41,42,44,43) for shutting off operation of the driving motors in accordance with the signal input from the amplification units, and manual switch units(31,32,33,34) for stopping operation of the driving motors by shutting off a signal transmission from the amplification units to the disconnecting switches in accordance with the signal input from the manual operation unit. The solar collector unit is arranged to always move in accordance with the movement of the sun, and automatically returned to its original position after sunset.
Patent KR-20000075026-A (KR)
Inventor: LEE GANG JU
IPC: F16H61/04
Filed: 1999-05-28
Abstract: PURPOSE: A method for improving shock when converting a belt of a continuously variable transmission for a vehicle is provided to enhance travel experience and traveling performance by using a logic circuit able to gradually compensate a pulley position sensor speed change ratio. CONSTITUTION: A belt(27) is connected between a primary pulley(21) and a secondary pulley(22). For compensating a pulley position sensor speed change ratio by relatively spacing apart a variable pulley(25), the variation of the connection inner diameter of the secondary pulley is performed by the pressurizing force of a torque cam(40) and a spring(41) to correspond to the inner diameter variation of the primary pulley. Thus, continuous tensile force is applied to the belt and the power of an engine is varied continuously. A logic circuit is added to prevent shock occurring during speed change through gradual decrease of the pulley position sensor speed change ratio when converting power transfer from a two-way gear to a belt.
Patent KR-19990088654-A (KR)
Title: 리튬이온이차전지
IPC: H01M10/0569
Filed: 1999-05-28
Abstract: 리튬이온을 도프(dope) 및 탈(脫)도프하는 양극 및 음극을 가지는 리튬이온 이차전지에 있어서, 술톤화합물을 전해액 또는 전해액의 일부에 첨가하고, 양극활성물질로서 코발트산리튬, 망간산리튬, 니켈산리튬 중에서 선택되는 적어도 한 종류와, 폴리프로필렌카보네이트함유 전해액, 음극활성물질로서 흑연질의 탄소재료를 사용한 전지.