baber/WOPTO huggingface dataset:
Patent KR-20000073122-A (KR)
Inventor: KWAK HUI SEOK
IPC: G11B20/10
Filed: 1999-05-06
Abstract: PURPOSE: Method of synchroniously recording with a cd-player in a car audio system is to edit music considering a recordable time of the tape when recording the music of a CD to the tape, thereby preventing a cutting of the last music. CONSTITUTION: A method of synchroniously recording to a tape from a CD player of a car audio system comprises the steps of: transmitting an entire recordable time of the tape to a CD player when the tape is inserted into a tape deck and the entire recordable time of the tape is input by a user; editing music on a CD to be recorded to each side of the tape and then transmitting the edited data to the tape deck; starting a recording operation of the tape deck and, at the same time, reproducing the edited music in order when a record starting signal is input by a user after receiving the edited data; performing a rewinding operation of the tape deck when the reproducing of the edited music for one side of the tape is completed and then starting a recording operation of other side of the tape; and ending the recording operation of the tape deck when the reproduction is completed.
Patent KR-20000022628-A (KR)
Inventor: MIYAJIMA MASAYASU
IPC: F02M63/02
Filed: 1999-05-08
Abstract: PURPOSE: A device for supplying fuel supplies fuel from an injector while preventing working of a delivery pipe from being lowered by securing the sealing even if the valve of a high-pressure regulator moves for controlling the pressure of the high-pressure regulator. CONSTITUTION: A device for supplying fuel contains a delivery pipe(5) installed in the lower unit of a cylinder head(8), a cam case(9) installed on the side surface of the cylinder head with a high-pressure pump(4) and a high-pressure regulator(6) installed on the cam case. Herein, the high-pressure regulator contains a valve having a sheet unit. Then, the hardness of the sheet unit of the valve is established for 800-1000Hv to reduce abrasion. Therefore, the pressure of the high-pressure regulator is controlled normally while supplying a certain amount of fuel from an injector without lowering the working of the delivery pipe.
Patent KR-20000074459-A (KR)
Inventor: YOO CHUL HO
IPC: C22C19/03
Filed: 1999-05-21
Abstract: PURPOSE: A Mg system hydrogen stored alloy is varied on the crystal structures thereof to improve hydrogenation characters such as an absorption and an emitting temperature and is manufactured by a simplified process. CONSTITUTION: A Mg2NiHx hydrogen stored alloy manufactured by hydrogen pressing type mechanical alloy method by using powders of nickel and magnesium, and manufacturing method and device thereof has following characteristics. The Mg2NiHx hydrogen stored alloy has a crystal grain having a diameter of 5 nm to 100 nm and an amorphous compound fine structure. The hydrogen stored alloy is made by a hydrogen pressing type mechanical alloy method by using powders of nickel and magnesium with steel balls. The powders have diameters of 0.01 nm to 100 mm and shapes of continuous flow type or shear type. Further, the device is a steel high pressure reaction apparatus having a needle shaped valve and a pressure gauge mounted thereon.
Patent KR-20010001454-A (KR)
Inventor: LEE JONG HUN
IPC: H01L29/786
Filed: 1999-06-04
Abstract: PURPOSE: A method for manufacturing a thin film transistor(TFT) is provided to effectively control off-current, by making a thickness of a channel region of an active region thinner in a drain region than in a source region, so that a drain area can be reduced and a carrier mobility of an electron or hole is decreased. CONSTITUTION: The first silicon layer(204) is formed on an insulating substrate(200). The first mask pattern covering a predetermined region is formed on the first silicon layer. The second silicon layer covering the first mask pattern is formed on the insulating substrate. The second silicon layer is crystallized to form an active layer(220). The second mask pattern is formed on the active layer which exposes a portion corresponding to the first mask pattern and covers a peripheral portion of the first mask pattern. The active layer and first mask pattern are eliminated to form a groove on the first silicon layer by using the second mask pattern as a mask. The second mask pattern is removed. A gate electrode(216) is formed by intervening a gate insulating layer on the groove. Impurity ions of the first conductivity type are doped to the active layer to form a source/drain region. Source/drain electrodes respectively connected to the source/drain regions are formed on the active layer.
Patent KR-20010003787-A (KR)
Inventor: DONG CHA DEOK
IPC: H01L27/115
Filed: 1999-06-25
Abstract: PURPOSE: A method for fabricating a flash memory device is provided to improve the reliability and yield rate of a semiconductor device by preventing an over oxidization of an edge of a tunnel oxide film. CONSTITUTION: A source/drain area is defined in a semiconductor substrate(11) by performing a source/drain ion implantation process. A tunnel oxide film(14) is grown in the structure. Then, a polysilicon layer for a floating gate(15), a dielectric film(16), and a polysilicon layer for a control gate(17) are sequentially formed on the structure. After that, a patterning process is carried out so as to form a flash memory cell in which the floating gate(15) and the control gate(17) are arranged in stack. Then, an annealing process is carried out with respect to the source/drain area thereby forming a thermal oxide film on the structure.
Patent KR-20010009015-A (KR)
Inventor: JUNG CHANG O
IPC: H01L29/786
Filed: 1999-07-06
Abstract: PURPOSE: A thin film transistor of a liquid crystal display device and a forming method therefor are provided to prevent disconnection in a contact for electrically connecting a drain electrode and a pixel electrode. CONSTITUTION: A gate pattern having a chromium layer(21) and an aluminum layer(24) is formed on a glass substrate(20) and covered with a gate insulating layer(22). After an amorphous silicon pattern(23) is formed, a chromium layer(25) and an aluminum layer(26) are stacked thereon to form source and drain electrodes. Then, the resultant structure is covered with a protective layer(27) and a photoresist layer. Thereafter, a contact part(29) and a pad part(30) are formed through exposure and development processes using separate masks having different tones, respectively. Therefore, while the upper chromium layer(25) is exposed in the contact part(29), the lower chromium layer(21) is exposed in the pad part(30). Then, a transparent electrode layer(31) is formed and patterned to form a pixel electrode.
Patent KR-20010011371-A (KR)
Inventor: CHOI JI HWAN
IPC: H01L21/306
Filed: 1999-07-27
Abstract: PURPOSE: A method for etching a semiconductor device is to precisely regulate critical dimension of a bottom conductive layer upon etching using an anti-reflective layer as an etching mask, thus to form a micropattern. CONSTITUTION: A method for etching a semiconductor device comprises the steps of: successively depositing the first insulation layer(212), a conductive layer(214) and the second insulation layer(216) on a semiconductor substrate(210); forming a photoresist pattern on the second insulation layer; etching the second insulating layer in certain etching atmosphere using the photoresist pattern as an etching mask, so as to form a hard mask; and etching the conductive layer and the first insulating layer using the hard mask as an etching mask, the second insulating layer being an anti-reflective layer.
Patent KR-20000017355-A (KR)
Title: Heat pump
Inventor: KIM JOO SANG
IPC: F24F13/22
Filed: 1999-08-17
Abstract: PURPOSE: The freezing preventing device is provided for effectively preventing freezing, having a simple structure. CONSTITUTION: The freezing preventing device is composed of:a sequentially connected compressor(1); a rhombic valve(4); an outdoor device(3); an expansion valve(6); an indoor device(2); the 1st branched device(20) connected to an assistant heat exchanger, branched from a coolant pipe between the expansion valve(6) and the indoor device; an assistant heat exchanger(30) for preventing the freezing of the outdoor device by the emitting heat of the coolant flowed in through the 1st branched pipe, established at the outdoor device; the 2nd branched pipe for circulating the coolant, connected between the expansion valve and the indoor device in the assistant heat exchanger.
Patent KR-20010019740-A (KR)
Inventor: KANG GI JIN
IPC: G06F9/00
Filed: 1999-08-30
Abstract: PURPOSE: A signal converting circuit is provided to convert UART(Universal Asynchronous Receiver Transmitter) signals into JTAG(Joint Test Action Group) signals by directly connecting the UART to a microprocessor to interface a debugging unit so that it can reduce a debugging cost and make it easy constructing a debugging system. CONSTITUTION: The system comprises a core(202), a debugging unit(204) and a signal converting circuit(210). The debugging unit(204), for processing a debugging of a microprocessor, performs downloading compiled program codes or a single step or break function for the program debugging. The signal converting circuit(210) receives a universal asynchronous data from a host, outputs emulation test data to the debugging unit(204), receives the test data resulted from the emulation at the debugging unit(204) and outputs the universal asynchronous data. So the microprocessor(200) directly receives the UART signals via a RS 232 cable(110) from the host(100).
Patent KR-20010027332-A (KR)
Inventor: CHOI YEONG GEUN
IPC: D01D5/092
Filed: 1999-09-13
Abstract: PURPOSE: A cooling apparatus capable of uniformly cooling melt spinning multifilament yarns by natural cooling without forced cooling is provided which produces yarns at low cost without a special cooling wind supplying apparatus. CONSTITUTION: In an apparatus for cooling melt spinning multifilament yarn, the apparatus comprises at least one porous cylinder type spin tube (21) formed by air inlet holes having a diameter of 1 to 5mm on the wall and a windshield plate (22) for preventing an eddy, which is disposed at regular intervals at the outside of the spin tube.
Patent KR-20000052331-A (KR)
Inventor: LEE JI HYUN
IPC: G06F3/14
Filed: 1999-09-20
Abstract: PURPOSE: An input switch circuit having noise reduction function and video pre-amplifying circuit having video input selection function are provided to prevent wrong operation caused by an instability of synchronous signal by eliminating noise contained in horizontal and vertical synchronous signals. CONSTITUTION: An input switch circuit comprises a horizontal synchronous signal switch unit(60) including a first comparing unit(80) having a first reference voltage setting portion for providing a first comparator with a lower voltage as a reference voltage if an output from the first comparator is high level, and a second comparing unit(82) having a second reference voltage setting portion for providing a second comparator with a lower voltage as a reference voltage if an output from the second comparator is high level; and a vertical synchronous signal switch unit(65) including a third comparing unit(84) having a third reference voltage setting portion for providing a third comparator with a lower voltage as a reference voltage if an output from the third comparator is high level, and a fourth comparing unit(86) having a fourth reference voltage setting portion for providing a fourth comparator with a lower voltage as a reference voltage if an output from the fourth comparator is high level.
Patent KR-20010035767-A (KR)
Inventor: YOO HAN GYU
IPC: H05B6/68
Filed: 1999-10-02
Abstract: PURPOSE: A microwave oven and its control circuit are provided to simplify the operation and to improve the external appearance. CONSTITUTION: The microwave oven comprises an operational panel(21) having an exposed contact element, a control circuit(61) for generating the prescribed signal based on the capacitance applied to the contact element, and a micro computer(91). The control circuit has an oscillator(63) for producing the prescribed signal, a reference signal generator(75) for generating the constant frequency signal, a comparator(81) for comparing the signals generated from the oscillator with the reference signal generator, and an output generator(85). The operational panel comprises an operational main body, a touch panel, and a flexible circuit board attached to the touch panel.
Patent KR-20010036010-A (KR)
Inventor: MIN GYEONG GWAN
IPC: C04B35/00
Filed: 1999-10-05
Abstract: PURPOSE: A method for preparing fireproof disc of insulating float is provided which simplifies manufacturing process more than conventional method and provides the fireproof disc having improved performance. CONSTITUTION: The method comprises steps of: (i) mixing raw materials wherein, 100 parts by weight of ceramic fiber, 50-200 parts by weight of filler and 5-50 parts by weight of heatproof binder are used as main materials and ripening the mixture; (ii) drying and processing the mixture to prepare circular plate discs of equal standard; and (iii) after ply-binding the discs at fixed thickness by simply compression-processing the discs, post-treating the discs to prepare the fireproof disc.
Patent KR-20010036237-A (KR)
Inventor: JUNG MIN YONG
IPC: H04B5/04
Filed: 1999-10-07
Abstract: PURPOSE: A paging terminal for an information service is provided to receive information supplied from an information server in the paging terminal, and to transmit the information to a computer, so that the computer can receive the information in real time. CONSTITUTION: An RF terminal(10) detects a frequency relating to an information target, and amplifies the detected frequency to detect a signal. An IF detector(20) amplifies the detected frequency and the signal again, and detects a necessary frequency only. A decoder terminal(30) compares and analyzes possessing information with the detected signal, and detects necessary information only. A CPU(40) controls an initialization and an operation condition of the decoder terminal(30), and analyzes the information transmitted from the decoder terminal(30). A computer(50) has input/output ports to receive the analyzed information, and analyzes data transmitted from the CPU(40) to store the analyzed data. The computer(50) performs an operation program to display the information on a monitor.
Patent KR-20010036622-A (KR)
Inventor: CHOI BONG GYU
IPC: H05K3/00
Filed: 1999-10-11
Abstract: PURPOSE: A coupling method and coupling apparatus for printed circuit board(PCB) is provided to increase yield rate of product and reduce cost by re-utilizing substrate sheet in an easy and convenient manner. CONSTITUTION: An apparatus comprises a substrate location determining unit(12) having a substrate mounting jig(10) which accommodates a plurality of circuit pattern sections(2a,2b) fixed in the substrate mounting jig; a substrate fixing unit(11) for fixing the non-defective circuit pattern section(2b) integrally to the substrate mounting jig so as to prevent movement of the non-defective circuit pattern section(2b) which is inserted, through a connection section, to a PCB(3); and an adhesion member which fills the space between the PCB fixed to the substrate mounting jig and the non-defective circuit pattern section so as to coupled the PCB and the non-defective circuit pattern section.
Patent KR-20010037979-A (KR)
Title: Fabricating method of semiconductor device
Inventor: NAM BYEONG SEOP
IPC: H01L21/027
Filed: 1999-10-21
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to simplify a photo process by skipping an AA mask, and to precisely measure align and overlay by forming a clear step difference of an align key in P-well and N-well photo processes. CONSTITUTION: After a nitride layer is stacked on the entire surface of a silicon wafer(1), photoresist(4) is patterned on the nitride layer to etch the exposed nitride layer. After the silicon wafer is etched and the photoresist is removed, an oxide layer(3) is applied. The oxide layer is etched by a chemical mechanical polishing(CMP) process. The exposed nitride layer is wet-etched and photoresist is applied on the nitride layer and the oxide layer, an exposure process using a P-well mask is performed to pattern the photoresist. The exposed oxide layer is planarized to the same surface as an upper surface of the silicon wafer. High-density P-type impurity ions are implanted to the silicon wafer to form a P-well by using the photoresist as an ion implantation mask. Photoresist is applied on the exposed oxide layer and the silicon wafer, an exposure process using an N-well mask is performed to pattern the photoresist. After the oxide layer is planarized using patterned photoresist, high density N-type impurity ions are implanted to form an N-well by using the photoresist as an ion implantation mask and the photoresist is eliminated.
Patent KR-20010045896-A (KR)
Inventor: KIM GUK HWAN
IPC: B60H1/30
Filed: 1999-11-09
Abstract: PURPOSE: A rotary air vent louver for motor vehicle is provided to allow cool or hot air to be uniformly distributed throughout the cab area by improving the structure of louver to be rotatable. CONSTITUTION: A rotary air vent louver comprises a circular louver frame(14) disposed within a louver cover to be inserted into a vehicle vent duct; a plurality of first wings(16) formed integrally with the louver frame; a plurality of second wings(18) mounted within the louver frame and which are interconnected through a single link; and a rotating unit(20) connected to the louver frame so as to support and rotate the louver frame. The rotating unit includes a bracket to be installed within the vehicle vent duct; a rod one end of which is fixed to the bracket and the other end of which is connected to the louver frame through a bearing; a metallic pad supported at the louver cover through an elastic member, and which contacts the outer periphery of the louver frame; an electro-magnet mounted in the louver cover and which draws the metallic pad toward the louver cover when a current is applied; and a switch for applying current to the electro-magnet.
Patent KR-20010054552-A (KR)
Inventor: PARK JAE HYEON
IPC: C22C38/04
Filed: 1999-12-07
Abstract: PURPOSE: A cast steel composition is provided that can substitute an existing C-Mn cast steel for slag pot for a material in which cracks due to thermal fatigues are less generated, thereby extending the life cycle of the slag pot by improving thermal fatigue properties. CONSTITUTION: The cast steel for slag pot having superior thermal fatigue properties comprises 0.05 to 0.15 wt.% of C, 0.3 to 1.5 wt.% of Cu, 0.8 to 1.3 wt.% of Mn, 0.025 wt.% or less of P, 0.025 wt.% or less of S, 0.6 wt.% or less of Si, 0.1 to 2 wt.% of Ni, 0.35 to 0.4 wt.% of Cr, 0.45 to 0.55 wt.% of Mo, 0.05 to 0.15 wt.% of Nb or V or a combination thereof, 0.02 to 0.06 wt.% of Al and 0.011 to 0.02 wt.% of N.
Patent KR-20010055090-A (KR)
Inventor: SON HYEON HO
IPC: G02F1/1333
Filed: 1999-12-09
Abstract: PURPOSE: LCD having a wide viewing angle is provided to achieve a wide viewing angle and a high brightness characteristic by forming an additional slit on a pixel electrode, and simplifies a fabrication process without an additional lithography process. CONSTITUTION: LCD includes first and second substrates, a common electrode(113), a pixel electrode(101) and a liquid crystal. The common electrode(113) is formed on the first substrate. The pixel electrode(101) is formed on the second substrate, includes a slit, and forms a projection projected toward the common electrode at edge. The liquid crystal is positioned between the first and second substrates. A first electrode is further included in the LCD, and the same voltage as the common voltage is applied to the first electrode.
Patent KR-20010055181-A (KR)
Inventor: BYUN TAE BONG
IPC: C22B1/14
Filed: 1999-12-09
Abstract: PURPOSE: A method is provided which restrains decrease of metallization ratio progressed by corrosion reaction by immersing metal pellets into a lauric acid solution under the appropriate conditions so that organic coating layer is formed on the surface of the pellets as well as internal pores of the pellets. CONSTITUTION: In a method for forming a coating layer for restraining the chemical reaction of metal pellets, the method for coating metal pellets comprises the process of drying the coating layer formed iron pellets at a temperature of 40 deg.C or less after forming a coating layer on the iron pellets by immersing iron pellets into a lauric acid solution which is controlled to the temperature range of less than 50 to 140 deg.C for more than 30 minutes.
Patent KR-20000052503-A (KR)
Inventor: POSCHUMA CARL ROBERT
IPC: H04B3/00
Filed: 1999-12-17
Abstract: PURPOSE: A method for assigning an overhead voltage in a communication system is provided to utilize normal batteries for telephone offices as a standard battery for telephone offices, by assigning the overhead voltage while transmitting Plain Old Telephone Service(POTS) signals and Digital Subscriber Line Service(XDSL) signals. CONSTITUTION: A method for assigning an overhead voltage in a communication system for transmitting Plain Old Telephone Service(POTS) signals and Digital Subscriber Line Service(XDSL) signals, comprises the steps of: deciding a communication state of calls for the communication system; and assigning the overhead voltage according to the communication state of calls. The first step further decides a loop condition state for the communication system, a state of POTS signals, and then a state of XDSL signals according to the loop condition state.
Patent KR-20000048349-A (KR)
Inventor: SAGATA MUNEHIRO
IPC: F02M25/07
Filed: 1999-12-23
Abstract: PURPOSE: A structure of attaching an exhaust gas recirculation(EGR) valve and EGR tube to an intake manifold is provided to reduce a weight of the attachment structure and a cost for attachment while eliminating a cooling water channel or a water hose required for cooling a female screw portion. CONSTITUTION: A structure for attaching an EGR valve(3) and EGR tube formed of a cast iron or stainless steel having a high heat resistance to an aluminum intake manifold(4) by means of inserting a bolt(8), wherein the EGR valve(3) and EGR tube side has a female screw(3a) to be coupled with the bolt(8), and the intake manifold(4) side has a perforation(4c) for insertion of the bolt(8).
Patent KR-20010060797-A (KR)
Inventor: PARK YONG SIK
IPC: C22C38/08
Filed: 1999-12-28
Abstract: PURPOSE: A method for manufacturing a component material of an automobile steering system is provided to improve mechanical properties by adding a small amount of alloy element during manufacturing of an existing material used as a component of the automobile steering system. CONSTITUTION: The method for manufacturing a component material of an automobile steering system comprises the process of simultaneously adding 0.1 to 0.2 wt.% of vanadium (V) a constituent showing the synergistic effect of strength and 0.3 to 0.5 wt.% of nickel (Ni) improving toughness to component constituents of an ordinary automobile steering system so as to improve strength and impact toughness. The method comprises the processes of simultaneously adding 0.10 to 0.30 wt.% of Ni an element restraining process hardening during cold processing and 0.70 to 1.60 wt.% of Mn to material constituents of a component of an ordinary automobile steering system; and lowering a maximum stress value after the high speed compression test, thereby improving cold processing, and simultaneously improving strength and impact toughness.
Patent KR-20000068095-A (KR)
Title: 도로상의 차량 식별 방법
IPC: G08G1/017
Filed: 1997-07-09
Abstract: 본 발명은 적어도 하나의 무선표지(3)를 통하여 한정범위 내에서의 차량(F1)이 데이터전송을 실시하는 차량 식별 방법에 관한 것이다.  이 데이터전송과 센서(51)의 데이터를 통하여 통신영역 내에서 데이터전송과 차량위치의 상호관계가 가능하다.  무선표지는 차량의 상대속도를 결정하기 위해서 차량(F1)으로부터 전송되어 무선표지(3)에 의해 수용된 데이터전송신호를 이용한다.  또한 센서(51)는 차량의 속도와 위치에 관한 데이터를 제공한다.  레인을 결정한 후 데이터를 전송하는 차량(F1)의 위치를 결정하기 위해서 차량관계 또는 수개의 차량관계가 이용된다.  이것은 도로통행세의 감소나 운행허가를 제어하는 곳에서 바람직하게 이용된다.