baber/WOPTO huggingface dataset:
Patent KR-19990086175-A (KR)
Title: 항공기 기술자료 검색 시스템
Filed: 1998-05-26
Abstract: 본 항공기 기술자료 검색 시스템은, 원본자료, 기술지시자료, 생산자료, 참고자료, 민항기자료, 또는 부품요소자료를 포함하는 데이터 베이스와; 다수의 클라이언트가 접속되는 통신망과; 상기 통신망에 접속되어서 상기 클라이언트로부터 검색조건을 입력받아 상기 데이터 베이스를 검색하고 그 결과를 상기 클라이언트에게 출력하는 서버를 포함한다. 또한 상기 서버에 의해 디스플레이되는 메인메뉴는, 상기 데이터 베이스내의 각종 자료인 원본자료, 기술지시자료, 생산자료, 참고자료, 민항기자료, 또는 부품요소자료를 선택할 수 있도록 이루어진 클릭버튼을 가진 툴바와, 상기 검색조건을 입력할 수 있는 작업창을 포함한다.
Patent KR-19990086477-A (KR)
Title: 이피롬 셀 형성 방법
IPC: H01L21/8247
Filed: 1998-05-28
Abstract: 본 발명은 단채널 효과를 방지할 수 있는 이피롬 셀 형성 방법에 관한 것으로서, 제 1 도전형의 반도체기판 상에 제 1 절연막 및 불순물이 도핑된 제 1 다결정실리콘층을 순차적으로 형성하고 상기 제 1 다결정실리콘층 및 제 1 절연막을 패터닝하여 플로팅게이트 및 게이트절연막을 형성하는 공정과, 상기 반도체기판 상에 상기 플로팅게이트를 덮도록 제 2 절연막을 형성하고 상기 반도체기판에 상기 플로팅게이트를 마스크로 사용하여 제 2 도전형 불순물영역을 형성하는 공정과, 상기 제 2 절연막 상에 제 2 다결정실리콘층을 형성하고 상기 제 2 다결정실리콘층 및 제 2 절연막을 일방향으로 패터닝하여 컨트롤 게이트, 게이트간절연막을 형성하는 공정을 구비한다. 따라서, 본 발명에 따른 이피롬 셀은 고온공정인 게이트간절연막의 형성 후 불순물영역을 형성하므로 불순물의 측면 확산을 방지하여 트랜지스터의 단채널효과를 방지할 수 있고 신뢰성을 향상시킬 수 있는 이점이 있다.
Patent KR-20000001218-A (KR)
Title: Apparatus for conveying and assembling grid electrode of crt's electron gun
Inventor: CHANG SANG WOOK
IPC: H01J9/18
Filed: 1998-06-09
Abstract: PURPOSE: Apparatus for conveying/assembling a grid electrode of an electron gun of CRT used to every monitor is provided to enhance a productivity and quality by using a minimized number of people. CONSTITUTION: A column(1) is fixed to the ground of a working place together with a cylinder(2) having a position determination pin(3) in order to stop a first grid electrode(G1) at a predetermined position. A horizontal driving part(10) is included to an upper part of the column(1), and horizontally moves the first grid electrode(G1) to a jig. A vertical driving part(20) is connected to the horizontal driving part(10), is horizontally moved, and vertically moves the first grid electrode(G1). A grip(30) is mounted to a lower part of the vertical driving part(20), clamps the first grid electrode(G1) with a clamper(32), and is rotated by 360degree by a rotation cylinder(31) simultaneously with moving the first grid electrode(G1) clamped.
Patent KR-20000003072-A (KR)
Title: Road-surface friction coefficient inferring method using angular velocity sensor and car electronic controlling device thereof
Inventor: YUN SUNG HYUN
IPC: B60K35/00
Filed: 1998-06-25
Abstract: PURPOSE: A road-surface friction coefficient inferring method is provided to have the running performance and the control stability of a car in turning. CONSTITUTION: The road-surface friction coefficient inferring method comprises the steps of:detecting the measuring angular velocity through an angular velocity sensor installed in a car in turning; detecting the operating angular velocity on the basis of the angular velocity operating function with the detected steering angle and wheel velocity as a variable; and inferring the road-surface friction coefficient according to the deviation of the measuring angular velocity and the operating angular velocity.
Patent KR-20000007660-A (KR)
Title: Heat exchanging unit
Inventor: PARK SUK BONG
IPC: F28F1/40
Filed: 1998-07-06
Abstract: PURPOSE: A heat exchanging unit is provided to raise the heat exchanging rate, and to improve the installation by forming inside a small square container at the same time. CONSTITUTION: The heat exchanging unit comprises:a circumferential space(2) formed inside the square vessel; a recessed groove group(4) formed in the circumferential wall(3); a screw(5) inputted inside the circumferential space(2); a spiral passage(7) by agreeing a screw hill(6) with a spiral of the recessed groove group(4); an inlet pipe and a draining pipe(9) formed in the both ends.
Patent KR-20000009529-A (KR)
Title: Panel for construction
Inventor: LEE BONG JAE
IPC: E04B2/58
Filed: 1998-07-25
Abstract: PURPOSE: A panel for a construction is provided to integrally combine an external material and an internal material and to complete an insulating treatment for largely reducing a dangerousness in an operation. CONSTITUTION: A panel for a construction is formed by; a bolt housing(20) attached to rear surface of a ceramic external panel(10); a combining bolt(22) combined to the bolt housing; a metal frame(40) combined to the combining bolt while having a sealing bar(30) between the metal frame and the combining bolt; filling an insulating layer(41) and combining a first internal panel(50); the combining aperture of the metal frame keeping a distance for the combining bolt and the anchor bolt not to contact; insulating gaskets(23), (24) inserted to be installed between the external panels(10), (11) and the metal frame, the metal frame and the fixing nut(26); and forming an insulating resin layer(25) on the tooth line of the fixing nut.
Patent KR-19980072145-A (KR)
Title: 다층 수납부를 갖는 골프백
IPC: A63B55/20
Filed: 1998-07-25
Abstract: 본 발명은 골프클럽을 수납하여 운반하기 위한 골프백에 관한 것으로, 특히 골프 클럽이 삽입되는 수직홀이 설치된 수납부를 계단식의 다층으로 형성하여, 비슷한 길이를 가진 골프클럽끼리 층별로 클러스터(Cluster)로 배치되게 하고, 상기 각 층 수납부를 형성하는 수직홀은 골프클럽의 클럽샤프트와 클럽그립이 고정되도록 지지할 수 있는 지지부와, 입구의 골프클럽 헤드가 접촉되는 모서리 부분에 클럽헤드의 무게에 의해 눌려져 헤드를 고정하는 헤드 고정부가 설치되어 있으며, 상기 일렬로 배열된 수직홀들의 전단 사이에 수납하는 골프클럽 헤드의 비틀림을 방지하기 위한 돌기가 설치되고, 상기 각층 수납부 측면에는 상기 각각의 수납부에 골프클럽을 수납할 때, 클럽이 고정되어 클럽 헤드의 움직임을 없게 하는 수단을 제공함으로써 클럽헤드가 클럽 샤프트에 부딪혀서 클럽 샤프트가 손상되는 것을 방지할 수 있는 다층 수납부를 갖는 골프백에 관한 것이다.
Patent KR-19990071371-A (KR)
Title: 부상 헤드 슬라이더 및 기록 디스크 장치
IPC: G11B5/60
Filed: 1998-07-29
Abstract: 본 발명은 헤드 슬라이더의 자세 변화가 예상되는 경우라도 헤드 슬라이더에 지지되는 헤드 소자를 가능한 한 디스크면에 가깝게 할 수가 있는 부상 헤드 슬라이더를 제공한다. 
     부상 헤드 슬라이더(15)에는 자기 헤드 소자가 매입되는 아우터레일(26b)의 ABS면에 절결 홈(36)이 형성된다.  부상 헤드 슬라이더(15)가 디스크면(12)으로부터 부상하면, 보호막(22)이 디스크면(12)에 가장 접근한 앞으로 기운 자세를 취한다.  이 때에 부상 헤드 슬라이더(15)가 롤각(B)으로 롤하여도 절결 홈(36)에 의해서 보호막(22)이 디스크면(12)에 접근하지 않는다.  그 결과 디스크면(12)에 자기 헤드 소자를 극력 접근시킬 수가 있게 된다.
Patent KR-20000006590-A (KR)
Title: System and method for inquiring a multi function information record medium
Inventor: LEE JONG IN
IPC: G06K17/00
Filed: 1998-08-01
Abstract: PURPOSE: A multi function information record medium inquiring system is provided to prevent an illegal use of a card by showing serviceable items read by a card terminal to a user. CONSTITUTION: The multi function information record medium inquiring system comprises: an information record medium access unit(10) which accesses an information record medium loading various card functions; a function setting unit(40) which selects user-appointed service functions; a multi function control unit(20) which displays items of the service functions recorded in the medium to read an information storage region of a corresponding medium when an information record medium is sensed, wherein the multi function control unit reads corresponding service function information from an information storage region when a service function is selected; a preservation module(31) which inquires information read from the access unit under an off-line condition and generates additional information according to the inquired result; and a communication unit(60) which communicates with an external inquiry equipment to inquire information of the information record medium under an on-line condition.
Patent KR-20000014356-A (KR)
Title: Clock control method and apparatus of a bus communication system
Inventor: AHN BYUNG DO
IPC: H04L12/40
Filed: 1998-08-20
Abstract: PURPOSE: A clock control apparatus of a bus communication system is provided to improve an efficiency of a bus communication by making the bus using machines recognize an exchange speed of a clock automatically. CONSTITUTION: The clock control apparatus of a bus communication system comprises: a bus matching part (421) for matching data received by a bus clock; a clock counting part (423) for counting the bus clock to judge a speed of the clock; and a bus matching control part (422) for compensating the speed of the bus clock by a clock speed judge signal to store the matched data to a memory. The clock counting part (423) includes a counter for counting the bus clock to generating a count value corresponding to a clock speed; and a clock speed judging part for analyzing the clock count value to judge the clock speed and for generating a select control signal of memory write control signals of the bus matching control part.
Patent KR-20000015193-A (KR)
Title: Transform diagnosis method of continuous casting device roll
Inventor: YUN WOO SUK
IPC: B22D11/16
Filed: 1998-08-27
Abstract: PURPOSE: The method for diagnosing continuously in a continuous casting the transform state of a continuous casting device using a frequency analysis data, analyzing the break surface change in a casting in the continuous casting in the frequency method is provided. CONSTITUTION: The diagnosis method of the transformation of a roll of a continuous caster has the steps of:measuring the change of the break surface in a casting continuously; analyzing the measured break surface change continuously in a frequency method; diagnosing the transformation of a roll having a set frequency near or the same with one frequency among the analyzing frequency by comparing the frequency analyzed with the frequency for previously established each roll.
Patent KR-19990029711-A (KR)
Title: 칼라 필터용 광중합성 조성물 및 칼라 필터의 제조방법
IPC: G03F7/028
Filed: 1998-09-11
Abstract: 본 발명은 하나 이상의 에틸렌성 불포화 이중결합을 갖는 부가 중합성 화합물, 광중합 개시제 및 Cu, Fe, Mn, Cr, Co, Ni 및 Al로 이루어진 그룹으로부터 선택된 하나 이상의 금속의 산화물을 포함하고, 실질적으로 어떠한 할로겐 원자도 함유하지 않는 칼라 필터용 광중합성 조성물, 및 칼라 필터의 제조방법을 제공한다.  칼라 필터용 광중합성 조성물은 우수한 내열성과 높은 내전기절연성을 갖는 칼라 필터를 제조할 수 있게 하고, 높은 저장 안정성을 갖는다.
Patent KR-20000019993-A (KR)
Title: Light source of optical fiber having high output and wide band
Inventor: RYU WOO CHAN
IPC: H01S3/10
Filed: 1998-09-17
Abstract: PURPOSE: A light source of optical fiber is provided to obtain an Eribium Doped Fiber(EDF) light source having a high output and a wide band operated at a wavelength range between 1520nm and 1560nm. CONSTITUTION: A light source of optical fiber having a high output and a wide band comprises a first optical fiber portion and a second optical fiber portion. The light source of optical fiber further comprises a recycling device. The first optical fiber portion performs an optical pumping however the second optical fiber portion connected to the first optical fiber portion does not perform the optical pumping. A spontaneous emission beam is output from the first optical fiber. The recycling device recycles the spontaneous emission beam from the first optical fiber to use it as a second pumping source.
Patent KR-19990030165-A (KR)
Title: 특정 형태의 말티톨 결정, 이를 함유하는 결정성 조성물 및 이들의 제조방법
IPC: A61K47/26
Filed: 1998-09-25
Abstract: 본 발명은 특정 형태, 즉 일부는 피라미드 형태이며 그 나머지는 사방정계 형태인 변형된 말티톨 결정에 관한 것이다.  또한 본 발명은 이를 함유한 결정성 조성물 및 이들의 제조방법에 관한 것이다.
Patent KR-20000025223-A (KR)
Title: Method for transmitting partial data of voice recognizing telephone information system
Inventor: KU MYUNG WAN
IPC: G06F15/00
Filed: 1998-10-09
Abstract: PURPOSE: A method for transmitting partial data of the voice recognization telephone provides many users with the service in a limited time by reducing the response time since the work necessary for recognizing voice is done while the voice is being inputted. CONSTITUTION: A system comprises a voice processing unit(21), a voice recognizing unit(22), a main processing unit(22), and a message transmitting unit. A method comprises a step of signaling the central processing unit(223) through the interrupt after writing the data at the memory(601); a step of writing the transmitting order at the command buffer inside the common memory(602); and a step of reading the data characteristics after according to the number of data written at the common memory(603). The method further comprises a step of sending the plurality of data to the central recognition unit(604) and making the interrupt and writing the result at the memory after searching(605).
Patent KR-20000031842-A (KR)
Title: Allotment method of walsh code channel
Inventor: JO SANG HYUN
IPC: H04B7/26
Filed: 1998-11-10
Abstract: PURPOSE: An allotment method of walsh code channel is provided to allot a channel having higher number though channels having lower number than that of finally used voice channel are vacant, thereby solving the problem of interference with adjacent frequency band within limited frequency band. CONSTITUTION: An allotment method of walsh code channel comprises steps of: deciding whether a channel allotment request is; identifying a final usage channel in accordance with the channel allotment request; searching whether unusage channel is present among channels having lower number than that of the identified channel; and newly allotting the searched channel if a channel to be terminated is present.
Patent KR-20000032363-A (KR)
Title: Sound-absorbing material of air conditioner
Inventor: KIM HYUNG SOO
IPC: F24F13/00
Filed: 1998-11-13
Abstract: PURPOSE: A sound absorbing material of air conditioner is provided to increase the sound absorbing efficiency by mounting the sound absorbing material adjacently to the noise source without disturbing the discharge air flow and remove the noise in the upper part of the indoor unit cabinet by placing the sound absorbing material in the upper part of the cabinet with a predetermined gap. CONSTITUTION: In an air conditioner including a cabinet(10) formed with a suction grill(20)and a discharge grill(30), an indoor heat exchanger(40) mounted between the suction grill and the discharge grill in the cabinet, and a blowing fan(20) mounted between the indoor heat exchanger and the discharge grill for guiding the air flow toward the discharge grill from the indoor heat exchanger, a sound absorbing material(80) is mounted in an upper part of the cabinet adjacently to the discharge grill for absorbing noise generated in the blowing fan, wherein the sound absorbing material is mounted under a plurality of supporting elements(90) protruded downward on an upper surface of the cabinet adjacently to the blowing fan as far as the sound absorbing material does not give any influence on the air discharged from the discharging grill.
Patent KR-20000034182-A (KR)
Title: Apparatus for auto cruise control of automatic transmission vehicle
Inventor: YUN JONG KYUNG
IPC: B60K31/02
Filed: 1998-11-27
Abstract: PURPOSE: An apparatus for auto cruise control of an automatic transmission vehicle is provided to maintain a speed of the vehicle preset by a driver continuously even when brake or acceleration pedals are pressed by comparing the preset speed with a current speed. CONSTITUTION: An apparatus for auto cruise control of an automatic transmission vehicle includes an air flow meter(2) for measuring air flow introduced into an engine, an engine management system(3) for determining fuel injection amount in proportion to the measured air flow, an injector(4) for injecting fuel to the engine under the control of the engine management system, a speed setting element(12) for setting a speed of the vehicle, a throttle chamber(6) of which opening degree is controlled in association with a manipulation of an acceleration pedal, and a control element(10) for controlling the opening degree of the throttle chamber to maintain a speed of the vehicle according to input signals of a water temperature sensor(13), a vehicle speed sensor(14) and a brake signal(11), and a position signal of the automatic transmission(15), if the speed of the vehicle is set.
Patent KR-20000037876-A (KR)
Title: Method for mapping qam symbol of cable modem
Inventor: YUN SANG HO
IPC: H04L27/34
Filed: 1998-12-02
Abstract: PURPOSE: A method for mapping a QAM symbol of a cable modem is provided to reduce a size of a hardware by performing a symbol mapping using one 256 QAM constellation. CONSTITUTION: A method for mapping a QAM symbol of a cable modem comprises the following steps. Four symbols of 8 bits corresponding to a 256 QAM constellation coordinate are designated as one bundle. Total number is 64. Any one 8-bit symbol of each bundle is designated as a representative symbol. A symbol mapping performed by the 256 QAM constellation if data of the 8 bits are inputted. The 64 QAM symbol mapping is performed by ignoring 2 bits of the representative symbols of the 8 bits if data of 6 bits are inputted.
Patent KR-20000039363-A (KR)
Title: Electron gun for color brawn tube and its driving method
Inventor: SONG BYUNG GWON
IPC: H01J29/48
Filed: 1998-12-12
Abstract: PURPOSE: An electron gun for a color brawn tube is provided to improve an image quality of a brawn tube by lowering a dynamic voltage and by inhibiting a gradation of a spot without reducing the efficient diameter of a main lens, and to increase the productivity of the electron gun. CONSTITUTION: An electron gun for the color brawn tube comprises followings. A cathode emitting an electron beams; the first and the second electrodes forming the above electron beams into the bunches of the beams; the third to the fifth electrodes performing a function of a unipotential lens; the sixth electrode performing the function of a bipotential lens; and an anode. The electron gun is driven by applying a voltage to be applied to the second electrode and the voltage to be superposed a dynamic AC voltage.
Patent KR-20000042267-A (KR)
Title: Device for compensating pressure of fuel for lpg vehicle
Inventor: KIM HYEONG SEOK
IPC: B60K15/00
Filed: 1998-12-24
Abstract: PURPOSE: A compensator of fuel pressure for an LPG(Liquefied Petroleum Gas) vehicle is provided to quickly supply a fuel into a vaporizer when the LPG vehicle is rapidly accelerated by installing a surge tank between a solenoid valve and the vaporizer. CONSTITUTION: A LPG fuel of gaseous or liquid phase ventilated from a bombe(22) is flowed in a solenoid valve(16) through fuel pipes(18,20), the solenoid valve(16) flows the gaseous fuel or the liquid phased fuel into a surge tank(40) by sorting according to a driving condition of an engine. The LPG fuel flowed inside the surge tank(40) is flowed in a vaporizer(12) by a negative pressure of the vaporizer(12). The LPG fuel is evaporated by flowing in the vaporizer during filtering impurities with a filter(50) through a ventilating pipe(48). The evaporated fuel inside the vaporizer(12) is formed a mixed gas by mixing with an outer air with passing to a sucking pipe(6) between an air cleaner(8) and a throttle valve(4). And the fuel is burned by sucking into a combustor of the engine with passing a throttle valve(4).
Patent KR-20000045947-A (KR)
Title: Lamination method of semiconductor device and apparatus for fabricating semiconductor device
Inventor: SIM IL GWON
IPC: H01L21/60
Filed: 1998-12-30
Abstract: PURPOSE: A lamination method of a semiconductor device is to automatically perform an attaching process of a circuit tape and an adhesive tape in a reel state, thereby continuously performing a next process. CONSTITUTION: A lamination method of a semiconductor device comprises steps of supplying a circuit tape(12) from a bobbin(11) wound in a reel state, supplying an adhesive tape(22) from a bobbin(21) wound in a reel state, attaching the circuit tape and the adhesive tape each other, laminating the circuit tape and the adhesive tape at a high temperature and a high pressure, cutting a cutting area for a wire bonding in the form of a window type, winding the circuit tape to the bobbin. In the method, the step of supplying the adhesive tape further comprises a step of removing a protect film attached to one side of the adhesive tape. When the circuit tape is wound again on the bobbin, the circuit tape is in a state that the cutting area is cut.
Patent KR-20000046510-A (KR)
Title: Calling telephone number voice information service apparatus
Inventor: LEE HYON YONG
IPC: H04M3/22
Filed: 1998-12-31
Abstract: PURPOSE: A calling telephone number voice information service apparatus is to provide a telephone number related to an insulated conductor to a worker with voice information service in case of the failure repairing work of a telephone line or the insulated conductor transfer work of a cable. CONSTITUTION: A control unit(101) is connected with an ISDN switching system through a line interface unit(102). The control unit(101) transfers calling telephone number information from the ISDN switching system to a voice conversion unit(103) and supplies voice information from the voice conversion unit(103) to the ISDN switching system through the line interface unit(102). The voice conversion unit(103) converts calling telephone number information from the control unit(101) into voice information. A key input unit(104) connected to the control unit(101) is composed of number keys, alphabet keys and function keys. The control unit(101) displays the operation status of an information service apparatus, calling telephone numbers and the driving key of the key input unit(104) through a displayer(106) by controlling the driving of a displayer driving unit(105) and driving the displayer(106).
Patent KR-19990024283-A (KR)
Title: 평판디스플레이의 커버그라스 모서리 모따기 장치
IPC: C03B17/00
Filed: 1998-12-31
Abstract: 본 발명은 평판디스플레이장치에 사용되는 커버그라스가 단일체로 사용되기 위하여 수행되는 밴딩작업이 보다 효율적으로 이루어지도록 하기 위하여 커버그라스의 모따기작업을 이루는 평판디스플레이의 커버그라스 모서리 모따기 장치에 관한 것이다. 본 모따기 장치는 커버그라스가 다수개 내장된 카트리지와, 구동축 및 안내로울러에 결속되며 구동영역 내에서 상기 카트리지를 이동 안내하는 벨트로 이루어진 이동수단과, 상기 이동수단에 의하여 이송되는 카트리지의 커버그라스를 눌러주는 가압수단과, 상기 가압수단에 의하여 눌러진 상기 커버그라스의 모서리를 모따기하는 모따기수단과, 상기 커버그라스의 폭과 높이를 고려하여 한 쌍의 플레이트와 지지대의 간격을 조절하는 간격조절수단을 포함한다. 이에 따라, 평판디스플레이 커버그라스의 모서리 모따기작업은 커버그라스가 카트리지에 의하여 다수개 안전하게 고정되며 평판으로 견고하게 지지되면서 종,횡방향에서 평판디스크판으로 절단하여 모따기작업을 완성하여 연속적인 작업으로 생산성을 향상시키고 불량을 예방하여 경제적인 사용을 이루게 하면서 평판디스플레이장치에 사용되는 단일체 커버그라스의 밴딩작업을 보다 편리하게 수행하는 효과가 있으며, 결과적으로 사용자는 향상된 기능에 따라 그 편리성을 극대화시킬 수 있다.
Patent KR-20000047034-A (KR)
Title: Cell scheduling method using delay bounds
Inventor: LYU HYONG KEUN
IPC: H04L12/24
Filed: 1998-12-31
Abstract: PURPOSE: A cell scheduling method using delay bounds is provided to prevent unnecessary waste of resources by previously disposing of cells of which a standby time in an input buffer exceeds CTD(Cell Transfer Delay). CONSTITUTION: Arrived cells are bound up into a new group. The allowable cycle of each group is decreased. A variable value to store the sum of cells which request a service is assigned. A variable value to appoint a group under process currently is assigned. Among the cells of each of the groups, in case that a delay request time of a first arrived cell requests exceeds an allowable delay time, the cell is abandoned. In case that the number of cells of a group under service is smaller than an assigned weight value, all cells of the group under service are serviced together with the next group. In case that the number of cells under service is larger than a weight value and a delay request value is '0', a reservation counter value is used. In case that the number of cells under service is larger than the weight value and the delay request value is not '0', the cells are serviced as much as the weight value without using the reservation counter value.
Patent KR-19990067025-A (KR)
Title: 열반송 장치
IPC: F24F5/00
Filed: 1996-10-24
Abstract: 1차측 냉매회로(A)의 1차측 열원 열교환기(12)와 열교환 가능한 2차측 열원 열교환기(1)와 실내 열교환기(3)를 가스 배관(6) 및 액체 배관(7)에 의해 연결한다.  각 배관(6, 7)에 전자밸브(SV1, SV2)를 설치한다.  1차측 열원 열교환기(12)를 방열할 때, 액체 배관(7)의 전자밸브(SV2)를 개구하여 2차측 열원 열교환기(1)에서 증발되는 냉매의 고압에 의해 2차측 열원 열교환기(1)로부터 실내 열교환기(3)로 액체 냉매를 공급한다.  1차측 열원 열교환기를 흡열할 때, 가스 배관(6)의 전자밸브(SV1)만을 개구하여 2차측 열원 열교환기(1)에서 응축되는 냉매의 저압에 의해 실내 열교환기(3)로부터 2차측 열원 열교환기(1)로 가스 냉매를 회수한다.
Patent KR-19990067188-A (KR)
Title: 컬러 정전 기록기
IPC: G03G15/01
Filed: 1996-10-29
Abstract: 단일 경로 컬러 정전 기록 장치는,  정전 기록 헤드와 슬라이딩 접촉하여 진행하는 기록 매체상에 정전 잠상을 형성하는 정전 기록 헤드와,  기록 헤드와 쌍이 되어 정전 잠상을 현상하는 현상 장치와,  기록 매체와 정전 기록 헤드의 슬라이딩 접촉을 조절하는 장치로 구성되며,  정전 기록 헤드 및 현상 장치는 컬러 화상 기록을 위해 필요한 수만큼 제공되고,  각각의 정전 기록 헤드는 기록 매체의 이동 방향으로의 하류측보다 상류측 표면에서 더 큰 곡률 반경을 가지며,  슬라이딩 접촉 조절 장치는 기록 매체의 종류에 대응하여 정전 헤드의 중앙에서 압력을 용이하게 조절할 수 있다.
Patent KR-19990071587-A (KR)
IPC: H02M3/338
Filed: 1996-11-20
Abstract: An uninterrupted power supply (UPS) for a computer having a data storage element and an associated monitor, the computer operating on power supplied by an internal switch mode power supply (SMPS) system receiving line power, characterized in that the UPS comprises an internal device for installation inside the computer and the internal device supplies back up power and protection to the computer and to the monitor from power abnormalities and noises.