baber/WOPTO huggingface dataset:
Patent KR-20030016897-A (KR)
Title: Inflator assembly of air bag system for passenger
Inventor: CHUN JEONG HYEON
IPC: B60R21/20
Filed: 2001-08-23
Abstract: PURPOSE: An assembly for an inflator of a passenger airbag is provided to improve assembling and reduce producing cost by making a holder of the inflator integrally. CONSTITUTION: An assembly for inflator of a passenger airbag has a housing and a diffuser. The housing comprises a fixing part(27), a slant part and a sidewall part(29) integrally. The fixing part is folded polygonally to cover the inflator. The slant part and the sidewall part are formed integrally by being extended from the fixing part to hold an airbag cushion. The diffuser has two bolt holes to fix the airbag cushion inside the housing. A guide part is equipped to the diffuser to be recessed to correspond to the slant part. A side connecting part(30,30a) is inserted to the housing. A fixed end of the side connecting part is folded to seal both sides of the housing. Thereby, gas pressure of operation of the inflator is supported by forming the fixing part, the slant part and the sidewall part integrally. Separation of the airbag cushion and the diffuser is prevented.
Patent KR-20030016973-A (KR)
Title: Side Trim Structure with A Zipper of Luggage Cover in Vehicles
Inventor: SONG NAK GEUN
IPC: B60P7/02
Filed: 2001-08-23
Abstract: PURPOSE: A side trim structure is provided to prevent the inflow of foreign substances and to improve the appearance by preventing the exposure of a guiding groove of the side trim when a luggage cover is unfolded. CONSTITUTION: A zipper(23) is formed in a guiding groove to be passed by a cover supporting bar shaft(5). Zipper opening/closing portions(33a,33b) are formed in front and back of the moving direction of the cover supporting bar shaft. IN moving the cover supporting bar shaft through the guiding groove, the guiding groove is closed by the zipper and the zipper opening/closing portions. Thereby, the inflow of foreign substances is prevented.
Patent KR-20020083893-A (KR)
Inventor: YOUN KUN YOUNG
IPC: F16L9/14
Filed: 2001-08-24
Abstract: PURPOSE: A dual pipe including a cast iron pipe and a stainless steel pipe is provided to prevent rust from being created in a water pipe by installing the stainless pipe in the cast iron pipe. CONSTITUTION: A dual pipe includes a cast iron pipe(1). A stainless steel pipe(2) is accommodated in the cast iron pipe(1) in order to prevent rust from being created in the dual pipe. A funnel is mounted on an outer portion of the stainless steel pipe(2) and vibration is applied thereto. Then, cement mortar is poured into the stainless steel pipe(2) while continuously applying the vibration. Thus, cement mortar moves downwards by gravity. That is, cement mortar is filled between the cast iron pipe(1) and the stainless steel pipe(2). The cast iron pipe(1) is fixed to the stainless steel pipe(2) by cement mortar, thereby forming the dual pipe.
Patent KR-20030018299-A (KR)
Title: Apparatus for controlling a computer program by using a laser pointer
Inventor: JUNG MU YEONG
IPC: G06F3/03
Filed: 2001-08-28
Abstract: PURPOSE: A device for controlling a computer program using a laser pointer is provided to maximize the concentration of presentation by making a presenter control a presentation program remotely with use of the laser pointer, which is capable of realizing a function such as page migration and searching. CONSTITUTION: An optical sensor(150) is equipped with a plurality of optical sensors. A light filter(160) transmits the light from the laser pointer(170) and filters and interrupts the natural light and the artificial light of a beam projector. An ASCII(American Standard Code for Information Interchange) code generator(140) generates an ASCII code matching with a specific key of a keyboard(120) according to a position receiving the light injected to the optical sensor(150). A port sharing device(120) transfers the ASCII code to a PS/2(Personal System 2) port(111) by switching a connection path between the PS/2 port(111) of a PC(110) and the keyboard(130) or the PS/2 port(111) and the ASCII code generator(140). An ASCII code setting part(180) sets up the ASCII code generated by the ASCII code generator(140) according to the light receiving position of the optical sensor(150).
Patent KR-20020020635-A (KR)
Inventor: BERTIN CLAUDE L
IPC: H01L21/8238
Filed: 2001-08-28
Abstract: PURPOSE: A method for forming mixed high voltage(HV/LV) transistors for CMOS devices using controlled gate depletion is provided to stop the "fast" diffusion which normally takes place in polysilicon, and eliminate diffusion between the conductors. CONSTITUTION: After photoresist removal, a deposition of a conformal oxide, such as TEOS(Tetra Ethyl Ortho Silicate)-based CVD oxide, is applied and an anisotropic reactive ion etch then is performed, typically using CHF3 and CF4, to create TEOS sidewall spacers(24). After spacer(24) formation and careful wet chemical cleans, an ion implantation step is conducted to create source/drain diffusion implants for source/drain regions(26,28,30,32) for both the conventional MOSFET devices(34,36) and depleted gate MOSFET devices(38,40). Standard lithography and RIE processing can be used to create vias to both the conventional and depleted gates, and via holes also are made to the source and drain regions.
Patent KR-20010088961-A (KR)
Inventor: LEE DEOK HEE
IPC: F16L55/24
Filed: 2001-08-25
Abstract: PURPOSE: An elbow type dust collector is provided to increase productivity by preventing the exhaust gas line from clogging and corrosion. CONSTITUTION: An apparatus comprises: an elbow type main body(100) having an exhaust gas inlet port(102) and an exhaust gas outlet port(104) bent at a predetermined angle; a first dust collecting unit(110) coupled to the main body through a screw or clamp, in such a manner as to be communicated to the gas inlet port, and which has a filter arranged inside of the first dust collecting unit to collect impurities and toxic gas from the exhaust gas; a second dust collecting unit(120) coupled to the main body through a screw or clamp, in such a manner as to be communicated to the gas outlet port, and which has a filter arranged inside of the second dust collecting unit to collect impurities and toxic gas from the exhaust gas; a pressure sensitive valve arranged inside of the exhaust gas outlet port of the main body, and which opens/shuts in accordance with the internal pressure of the main body; and an exhaust gas bypass pipe(140) communicating with the exhaust gas outlet port and the filter of the first dust collecting unit and arranged to be removable.
Patent KR-20020031282-A (KR)
Inventor: IIJIMA SHINPEI
IPC: H01L21/8242
Filed: 2001-09-01
Abstract: PURPOSE: To provide technique with which an Ru film for constituting the lower electrode of an information storing capacitor-element can be formed accurately in the inside of a hole. CONSTITUTION: After forming an Ru film 30a, which is the lower-electrode material to be deposited on the sidewall and the bottom portion of a deep hole 27 for forming therein an information storage capacitor element, the resultant structure is subjected to heat treatment in a reducing atmosphere. The Ru film is set as the laminated structure, of the Ru film 30a and an Ru film 30b. As a result, the impurities contained in the Ru film can be so removed effectively and the Ru film can be made dense.
Patent KR-20030022902-A (KR)
Title: method for processing pork cutlet using pork
Inventor: BAE DAE SUN
IPC: A23L13/00
Filed: 2001-09-11
Abstract: PURPOSE: A process for preparing a pork cutlet using unpopular pork parts is provided, thereby high quality pork cutlet having improved taste and plentiful nutrients can be prepared, and imbalance of pork consumption can be resolved. CONSTITUTION: The process for preparing a pork cutlet using unpopular pork parts comprises the steps of: mixing chopped pork with spice at 14deg. C or less for 15 minutes; mixing 54% of seasoned pork, 10% of water, 0.45% of salt, 0.05% of pepper, 1.4% of garlic, 0.3% of ginger, 1.1% of parsley, 2.2% of Welsh onion, 2.2% of carrot and 4% of whipping cream; kneading the pork mixture; covering the pork mixture with 2% of wheat flour, 6% of the white of an egg, and 16.3% of bread crumb, sequentially and press-molding the pork mixture; and freezing the pork mixture at -20deg. C for 24 hours, cutting and packaging it.
Patent KR-20010099225-A (KR)
Inventor: LEE JUNG HOON
IPC: H04N21/236
Filed: 2001-09-13
Abstract: 본 발명은 유(200), 무선(300) 통신망에서 3D 캐릭터나 오브젝트를 광고나 간판이나 완구(510) 서비스(700)와 움직이며 말하는 완구를 실재로 만들어 광고나 간판이나 완구(520)(10A)로 사용되는 매체별(500)(800/900) 서비스 방법 또는 현지에서 그 각각의 간판이나 완구(530)를 작동하는 시스템 서비스(800/900) 방법에 관한 것으로 특히, 기존의 단말기(700)에 보다 향상된 디스플레이 기술을 목적으로 한 휴대용 3D 입체영상, 레이저/홀로그램(800) 단말기에 사용되거나, 장치용 3D 입체영상, 레이저/홀로그램(900) 단말기에 사용되거나, 지상파/위성/케이블 TV와 RDS/ DARC/디지털 Radio 그리고 IMT2000/CDMA/페이저/PDA/PC(500) 등 유, 무선 통신 기술이 목적에 따라 통합된 디지털 단말기기에 서비스를 할 수 있는 3D 캐릭터나 오브젝트에 애니메이션 서비스완구(510)와 실재의 광고나 간판이나 완구(520)(10A)로 사용하는 정보 서비스(800/900)를 원격협력 서비스하는 Broadband Collaborate Network(이하 "BCN"으로 표기함)체계로 서비스하는 방법(Business Model)이다. 
     이를 실현하기 위하여 본 발명은 2D/3D 캐릭터/오브젝트 실시간 애니메이션 서비스를 위한 편집도구(100)와 방송/통신 실시간 편집 데이터 연결 서비스(400) 체계에서 동시 서비스 기술(510)(520)(10A)과 지상파/위성/케이블 TV(710)와 RDS/DARC/디지털 Radio(720) 그리고 IMT2000/CDMA/페이저(730)/PDA/ PC(740) 단말기 별로(700) 유연성을 감안한 3D 스크린(800)(900) 광고나 간판이나 완구와 실재광고나 간판이나 완구에 BCN체계로 원격협력 또는 협업 서비스 방법/Business Model에 관한 것이다.
Patent KR-20030023907-A (KR)
Title: Method for controlling refine slag of Grain-Oriented electrical Steel
Inventor: KIM DONG RYEOL
IPC: C21C7/00
Filed: 2001-09-14
Abstract: PURPOSE: A control method of slag for refining grain-oriented magnetic steel sheet is provided to minimize adhesion of slag to submerged pipe during degassing by injecting calcium oxide into slag when tapping molten steel of converter and injecting a small quantity of silica when bubbling molten steel, thereby making slag having low Al2O3. CONSTITUTION: In a method for tapping molten steel(5) for grain-oriented electrical steel sheet of high silicon steel from converter to ladle(3), bubbling molten steel received in the ladle and degassing molten steel using a degassing unit(1), the refining method of high silicon steel for preventing slag from adhering onto the inside of submerged pipe(2) of vacuum degassing apparatus comprises a step of injecting 2.5 to 5.5 kg/ton-steel of CaO into the ladle according to terminal point oxygen amount of the converter while molten steel of the converter is being tapped into the ladle; and a step of injecting 1.0 to 1.5 kg/ton-steel of silica into the ladle as strongly bubbling molten steel inside the ladle for 8 to 12 minutes using nitrogen, wherein 2.5 to 3.5 kg/ton-steel of the CaO is injected in case that the terminal point oxygen amount of the converter is 750 ppm or less, 3.6 to 4.5 kg/ton-steel of the CaO is injected in case that the terminal point oxygen amount of the converter is 751 to 900 ppm, and 4.6 to 5.5 kg/ton-steel of the CaO is injected in case that the terminal point oxygen amount of the converter is 901 ppm or more, and wherein injection of the silica is completed within 2 minutes after starting the strong bubbling.
Patent KR-20030024447-A (KR)
Title: The head drum assembly for VCR
Inventor: MUN GI SEONG
IPC: G11B5/52
Filed: 2001-09-18
Abstract: PURPOSE: A head drum device of a magnetic recorder is provided to easily and firmly assemble the head drum device without extra equipment, and reduce manufacturing cost by simply forming a ring collar through a press work. CONSTITUTION: A shaft(30) has key grooves opposite with each other. A upper drum(50) rotates centering on the shaft, includes a rotational head(52) recording and playing signals, and includes a signal transmitting element(56) transmitting the signals. A lower drum(40) includes another signal transmitting element(42) interworking with the signal transmitting element of the upper drum, and at which the shaft is fixedly installed. A motor part(60) provides a rotary force rotating the upper drum. A ring collar(70) is coupled with a stator(64) of the motor part, and is mounted at the shaft for providing pre-pressure to a bearing(51) rotatively supporting the upper drum to the shaft. A stop key is secured at the key grooves of the shaft for fixing the stator of the motor part at the shaft.
Patent KR-20030028930-A (KR)
Title: Shock-absorbing Apparatus For Vehicle
Inventor: HA JAE DU
IPC: B60R19/20
Filed: 2001-10-04
Abstract: PURPOSE: A shock absorber for a vehicle is provided to protect a driver and to prevent the damage of the vehicle in a vehicle crash. CONSTITUTION: A pedal switch(14) is switched on/off by the operation of a brake pedal(10). A wheel speed sensor(15) measures the rotary speed of a wheel. An electronic control unit(16) is electrically connected to the pedal switch and wheel speed sensor, and determines the braking state with the signals output from the pedal switch and wheel speed sensor. A shock absorbing unit(20) is installed between a vehicle body and a bumper, and receives hydraulic pressure from a master cylinder when braking the vehicle. A supply line(18) and a discharge line(19) are connected to the shock absorbing unit, and supplies/discharges the hydraulic pressure to the shock absorbing unit. A flow-rate control valve(18a) is installed at the supply line, and the electronic control unit controls the opening degree of the flow-rate control valve.
Patent KR-20030029382-A (KR)
Title: Cathode Ray Tube Monitor
Inventor: HA HYUN SEOUNG
IPC: G06F1/16
Filed: 2001-10-08
Abstract: PURPOSE: A CRT(Cathode Ray Tube) monitor is provided to install a display screen maximally close to an installation surface, and to automatically keep a shelf on the monitor horizontal while freely adjusting an angle up/down conveniently for seeing. CONSTITUTION: A housing(20) accepts a CRT(10) having the display screen and a circuit board for driving the CRT(10), and is installed by contacting a front lower end with an installation surface. A rotating axis is installed to the rear inside of the housing(20) in a horizontal direction. A cam(30) adjusts a rear height of the housing(20) according to rotation. The shelf(40) connects a front-end part with a front end of an upper housing surface and is equipped with an arm extended to a lower direction. A power-transferring device drives the arm upward and downward by responding to a rotation angle of the cam(30). A rotation resistance tool supplies a resistance force restraining the rotation of the rotating axis. A locking tool prevents the cam(30) for spontaneously rotating by gravity.
Patent KR-20030030367-A (KR)
Title: Bidirectional wireless service system and method using 2-WAY pager network
Inventor: JUNG YONG SANG
IPC: H04W84/02
Filed: 2001-10-10
Abstract: PURPOSE: A bi-directional radio service system and method using a 2-way pager network are provided to increase a profit of an ISP/CP through expansion of paid users by discriminating paid service users and constructing a data communication environment, and create a new profit of an ISP by making a PCMCIA user and a communication network provider to share a communication service use fee. CONSTITUTION: A user has an information processor(302) in which a bi-directional radio interface card formed as a PCMCIA card is installed, through which the user is connected to a radio network provided by a radio network provider(304). The information processor can be a computer, a notebook computer, a PDA(Personal Data Assistance) or a Web pad. The radio network can be a 2-Way pager network. The user is connected to an ISP(306) such as DAUM or MSN through the radio network to use a service such as E-mail or IM(chatting). The ISP(306) provides the service such as E-mail or IM(chatting) with fee or for free, and makes a profit for the use of the paid service. The radio network provider(304) makes a profit from the network use fee.
Patent KR-20030029740-A (KR)
Title: Tool for discharging pus of nose/ear
Inventor: YOON JOUNG YOON
IPC: A61M1/00
Filed: 2001-10-10
Abstract: PURPOSE: Provided is an exhaust system for extraneous matters from nose or ear with a toy included which exhausts mucus or pus from nose or ear through a dispensing hole so that it prevents mucus or pus from being flown into users' mouth through a pipe. CONSTITUTION: The exhaust system for extraneous matters from nose or ear with the toy included comprises the parts of: a dispensing pipe(10) which forms a combination hole at the lower center; a suction pipe(20) which is fixed at the combination hole to cross the dispensing hole and projected into the dispensing hole to keep the form of the dispensing hole to be a Venturi; an ear inhaler(30) which is combined with the suction pipe at one side through a connection hole(33) and inserted into the ear at the other side; a nose inhaler(40) which is combined with the suction pipe and widened in diameter as nose is increasingly closed; a flute(50) which is fixed at the upper center of the dispensing hole; and a generator for soap bubble(60) in which a tube(61) is combined with an outlet of the dispensing hole and a bubble generation hole(62) is combined with the upper edge of the tube.
Patent KR-20010099503-A (KR)
Inventor: HAN SUK KYOUNG
IPC: A23B7/10
Filed: 2001-10-12
Abstract: 본 발명은 송이 버섯의 향이 발현되어 식미와 식감을 향상시킨 송이 김치에 관한 것으로, 배추 75 ∼ 90중량%, 무우 0.5 ∼ 20중량%, 고추가루, 마늘, 생강 양파, 젓갈, 배, 파, 조미료, 소금 등으로 구성되는 적어도 1종 이상의 부재료 4.5 ∼ 19.5중량%와 송이 버섯 5 ∼ 20중량%로 이루어진 송이 김치를 제조하되 배추 및/또는 무우의 절임 및 김치의 간을 조절하기 위하여 사용되는 소금으로서 적어도 800℃ 이상의 고온에서 후처리한 소금을 사용하며, 고추가루는 기존 사용량의 반은 건조 고추가루를, 그리고 나머지 반은 생고추를 파쇄한 생고추 파쇄물을 사용하고, 송이의 향을 저해하는 마늘, 생강, 젓갈의 사용량은 공지의 사용량에 비하여 절반의 양으로만 사용하며, 조미료는 화학조미료가 아닌 버섯 등에서 추출한 천연 핵산조미료를 사용하므로서 김치 고유의 짠맛, 단맛, 신맛, 쓴맛을 부드럽게 하고, 김치 자체가 갖는 맛을 깊이 있게 만들며, 절임 공정 후에 세척의 마지막 단계에 증류수를 사용하여 세척하므로서 사용되는 물에서 함입되는 무기물 및 금속 성분으로 인한 맛의 변화를 최소화함과 동시에 이상 발효를 일으키거나 김치의 숙성에 관여하는 미생물의 수를 저감시키므로서 빨리 시지 않고, 사용되는 재료들의 조직연화현상 발생을 가능한 한 억제하며, 사용되는 송이 버섯의 1/4은 채형태로 잘게 썰어 첨가하여 송이 버섯이 첨가되었음을 육안으로 확인할 수 있도록 하고, 나머지 3/4은 파쇄하여 부재료와 혼합하여 사용하므로서 김치 전체에서 송이 버섯의 향이 발현되도록 하므로서 소비자에게 신뢰감을 심어줄 뿐만 아니라 실제적으로 송이를 첨가하여 송이에 함유된 유용한 성분을 섭취할 수 있도록 하는 송이 김치를 얻을 수 있었다.
Patent KR-20030033523-A (KR)
Title: The branch line connecting structure for a lowvoltage cable
Inventor: KIM BONG JU
IPC: H01R31/02
Filed: 2001-10-23
Abstract: PURPOSE: A branch connecting device for a low voltage railway line is provided to firmly assemble the branch connecting device with excellent work efficiency, and improve waterproof efficiency. CONSTITUTION: An insulating housing includes an upper insulating cover(20) and a lower insulating cover(30) with a plurality of extracting holes(21,31). A connecting conductor(40) is dividedly assembled into conductor insertion holes(22,32) formed at the upper insulating cover and the lower insulating cover, and communicated with the plurality of extracting holes. A plurality of fixing sleeves(50) are inserted into sleeve holes(23,33) communicating with the extracting holes, so that the fixing sleeves are restricted from moving toward the extracting holes. A plurality of compression springs(60) are inserted into spring grooves(55) between the fixing sleeves for providing an elastic repulsive force outward. A plurality of connecting sleeves(70) are inserted between the connecting conductor and the fixing sleeves. The connecting sleeves are fixed by the fixing sleeves with the elastic repulsive force for being connected with the connecting conductor.
Patent KR-20030037116-A (KR)
Title: Extensive pda apparatus
Inventor: LEE GANG IL
IPC: G06F15/02
Filed: 2001-11-02
Abstract: PURPOSE: An extension PDA device is provided to increase a memory capacity, solve a restrictive data transmission problem, and exchange data and store information conveniently by connecting a printer, a monitor, a keyboard, a mouse, a serial port, etc. and using a proper application program adapted thereto. CONSTITUTION: A central processing unit(31a) calculates an inputted command. A ROM(31c) stores an operating system program and an application program. A RAM(31b) temporarily stores the operating system program and the application program for executing the programs in the central processing unit(31a). A data storing unit stores data and an application program. At least one USB input/output port(31j) is provided for being connected to an external device having a USB function. At least one input/output port(31i) is provided for being connected to an external device having no USB function.
Patent KR-20020018638-A (KR)
Inventor: OI HIROYUKI
IPC: H01L21/20
Filed: 2001-11-30
Abstract: PURPOSE: A dielectrically separated wafer and its manufacturing method are provided to extend an area for fabricating dielectrically separated islands, by making a silicon island on a high density impurity layer formed under the island, wherein a low density impurity layer including dopants of the same conductivity type as the high density impurity layer is stacked in the silicon island. CONSTITUTION: The surface between the dielectrically separated islands is flattened by polishing the surface of the dielectrically separated wafer only the amount needed for the surface of a dielectrically separated wafer to become a flat surface between dielectrically separated silicon islands, without projections or indentations.
Patent KR-20030046174-A (KR)
Title: Component of tension-rod bush for automobile
Inventor: SON BYEONG CHEON
IPC: F16F1/36
Filed: 2001-12-05
Abstract: PURPOSE: Provided is a composition for cushion tension rod bush of automobile in which special natural rubber is used instead of carbon to give the same tensile strength, elongation, their change rate and permanent contraction rate as well as impact resistance to absorb vibration and impact from the road. CONSTITUTION: The composition comprises 100wt.% of natural rubber, 17-18wt.% of special natural rubber(HS785), 57-58wt.% of carbon black(SRF), processing oil(P-1) and other additives.
Patent KR-20010113620-A (KR)
Title: 국선 전원 및 태양광을 이용한 멀티미디어 공중전화 단말기
Inventor: CHO SEONG JUN
IPC: H04M17/00
Filed: 2001-12-07
Abstract: 본 발명은 국선 전원 및 태양광을 이용한 멀티미디어 공중전화 단말기에 관한 것으로, 전화국으로부터 제공된 국선 선로를 통해 공급되는 전원으로부터 추출 변환된 전원 및 태양광 모듈을 통해 광전변환된 전원을 단말기내의 각 동작전원으로 제공토록 하는 국선 전원 및 태양광을 이용한 멀티미디어 공중전화 단말기를 제공함에 그 목적이 있다. 
     본 발명은 전화국으로부터 배설된 전화선이 구비되고, 상기 전화선 및 충전부와 전기적으로 접속된 제어부로서 송수신 통화부, 표시부, 지불수단 판별부 및 키조작부를 제어함으로써 음성 통화 및 인터넷 통신이 가능한 멀티미디어 공중단말기에 있어서, 상기 전화선의 전기적인 연결로써 인가되는 신호에서 각종 노이즈를 제거하기 위한 필터링부와; 상기 필터링부와 전기적으로 접속되어, 상기 전화선으로부터 상기 필터링부를 통해 인가되는 전원으로 상기 공중전화기의 제어부와 각 부를 구동함에 필요한 DC전원을 발생하기 위한 정류부; 상기 정류부에 전기적으로 연결되며, 상기 정류부로부터 전화선을 통해 입력되는 DC전원을 유도작용에 의해 추출하는 전압 추출부와;  상기 전압추출부와 전원공급부와 전기적으로 연결되어 상기 전압 추출부로부터 인가된 전원을 송수신의 분리 및 전원 공급부로 전원을 공급하기 위한 복수의 유도코일로 이루어진 변환부와; 상기 변환부와 전기적으로 접속되며, 상기 변환부로부터 공급되는 DC전원을 상기 공중전화기의 제어부 및 각 부와, 상기 충전부의 충전에 필요한 전원으로 만들어 공급하기 위한 전원 공급부와;단말기 외부에 설치되어 태양광을 조사받기 위한 광전판과; 상기 충전부와 전기적으로 접속되며, 상기 광전판으로부터 인가된 광에너지를 전압으로 변환시키기 위한 광/전 변환부로 구성된 것을 특징으로 한다. 
     본 발명을 적용하면, 상시 국선전원 및 태양광 모듈로부터 전원을 인가받아 충전부를 충전시킨 상태에서, 정전상황이 발생되면 그 충전부의 전원을 이용하여 멀티미디어 공중전화 단말기를 동작시킴으로써 무정전 시스템이 구축되어 비상시 전화 및 인터넷 통신이 가능하게 된다는 효과가 있다.
Patent KR-20030049973-A (KR)
Title: Oil calculating apparatus
Inventor: YOO DONG GYU
IPC: F01M11/10
Filed: 2001-12-18
Abstract: PURPOSE: An apparatus for measuring the amount of engine oil of an oil pan is provided to accurately measure the amount of engine oil in an oil pan even if the surface of oil is inclined due to a slope. CONSTITUTION: A float(4) is installed on oil surface(3) of engine oil(2). The float moves upward and downward along the level of the oil surface. A specific amount of engine oil(5) is received in the float. Upper and lower gap sensors(8,9) for measuring the inclination of the float are installed on a lever(7). A rack gear(10) is prepared on the upper end of the lever. The rack gear is engaged with a pinion gear(11). An indication needle(14) of a rheostat(13) is mounted on a rotating shaft(12) of the pinion gear. The amount of the engine oil is outputted depending on a resistance and the inclination of the float. The amount of the engine oil is indicated by an engine oil gauge(17).