baber/WOPTO huggingface dataset:
Patent KR-20040022340-A (KR)
Title: Method for manufacturing silicide anneal block layer/shallow trench isolation block layer of semiconductor device
Inventor: KIM HYEONG SEOK
IPC: H01L21/28
Filed: 2002-09-05
Abstract: PURPOSE: A method for fabricating a silicide anneal block layer and a shallow trench isolation block layer of a semiconductor device is provided to improve contact resistance by preventing a shallow trench isolation spiking phenomenon due to contact misalignment while the shallow trench isolation block layer is used in a sidewall etch process. CONSTITUTION: A shallow trench isolation is formed in an specific upper region of a substrate. Nitride is formed on the entire surface of the substrate on which the gate is selectively formed. A silicide anneal block layer is patterned on the surface of a gate region adjacent to a contact formation part. A shallow trench isolation block layer is patterned on the shallow trench isolation region. An etch process is performed to eliminate the nitride except the nitride formed of the sidewall of the gate.
Patent KR-20040023338-A (KR)
Inventor: KWAK YEONG CHUN
IPC: H04B1/38
Filed: 2002-09-11
Abstract: PURPOSE: A vehicle handsfree system and method for controlling the same are provided to automatically transfer a handsfree mode to an audio mode in case that a signal is not inputted during an appointed time as a call is cut off in the middle of telephone conversation or the other side disconnects the call. CONSTITUTION: In case that a handsfree system is in a handsfree mode(S20), a handsfree control part detects the level of a received signal through a level recognition part(S30). The handsfree control part judges whether low-level signals are being received during an appointed time(S40,S50). In case that signals are being received at a low level during the appointed time, the handsfree control part judges that the phone call has been cut off, initializes the counted time(S60), and transfers the present handsfree mode to an audio mode(S70).
Patent KR-20030023555-A (KR)
Inventor: ASADA JUNICHI
IPC: G03B27/48
Filed: 2002-09-13
Abstract: PURPOSE: A beam-shaping device, an optical disc device, and a fabrication method of the beam-shaping device are provided to suppress aberration produced by wavelength variation of light sources and improve diffraction efficiency. CONSTITUTION: A beam-shaping device(10) comprises a first surface(10a) having a first diffraction grating through which a beam of light, emitted from a light emitting point on an optical axis, passes, and a second surface(10b) having a second diffraction grating through which the beam of light, having passed through the first surface, passes. The first diffraction grating and the second diffraction grating are designed, so as to maintain, when the wavelength of the emitted beam of light varies, a prescribed relationship between the displacement of a first virtual light emitting point, in a first meridian plane containing the optical axis, associated with the beam of light having passed through the first surface and the second surface, and the displacement of a second virtual light emitting point, in a second meridian plane perpendicular to the first meridian plane, containing the optical axis, associated with the beam of light having passed through the first surface and the second surface.
Patent KR-20040024784-A (KR)
Title: Method for composing distributed MAC protocol with service differentiation over IEEE 802.11 Ad-Hoc Wireless LANs
Inventor: KANG CHUNG GU
IPC: H04L12/28
Filed: 2002-09-16
Abstract: PURPOSE: A method is provided to effectively support a real time traffic and ensure a backward compatibility, while differentiating channel access regions between the real time terminal and non-real time terminal. CONSTITUTION: A method comprises a step(1000 to 1200) of constructing a first or a second competitive window in accordance with whether the corresponding terminal is a real time terminal or a non-real time terminal during channel access; and a step(1300,1400) of permitting the real time terminal to gain an access to the channel prior to the non-real time terminal by including a predetermined offset value to the second competitive window of the non-real time terminal in case where the real time terminal and the non-real time terminal request a channel access at the same time.
Patent KR-20040026576-A (KR)
Title: Simultaneous bidirectional input/output(I/O) circuit for improving data input margin
Inventor: CHOI JEONG HWAN
IPC: H04L5/14
Filed: 2002-09-25
Abstract: PURPOSE: A simultaneous bidirectional input/output circuit for improving a data input margin is provided to increase the data input margin and regenerate data by improving a structure of a bidirectional input/output circuit. CONSTITUTION: A simultaneous bidirectional input/output circuit for improving a data input margin includes a bus line(330), an input terminal(310), an output buffer(320), and an input buffer(350). The output buffer(320) is connected between the bus line(330) and the input terminal(310) in order to receive signals from the input terminal and transmit the signals to the bus line. The input buffer(350) is connected between the bus line(330) and the input terminal(310) in order to regenerate input signals by comparing two reference signals of three reference signals having different levels according to states of the signals of the input terminal and the input signals of the outside with the signals of the bus line determined by output signals of the output buffer.
Patent KR-20030031422-A (KR)
Title: Polyether aromatic ketone resin composition and its film and sheet
Inventor: KANADA ARIHIRO
IPC: C08K3/00
Filed: 2002-10-11
Abstract: PURPOSE: To provide a resin molded product free from damage due to wear in both itself and others, excellent in molding properties by improving the sliding properties of a polyether aromatic ketone resin. CONSTITUTION: This invention includes the resin composition comprising 100 pts.wt. of the polyether aromatic ketone, 1-100 pts.wt. of a highly hard filler having ≧6 of Moh's hardness and the film or sheet comprising the same. The highly hard filler preferably has granular or spherical form with particle diameter of ≤100 μm.
Patent KR-20030031863-A (KR)
Title: Electronic component
Inventor: KUBO MASAHIRO
IPC: H01L23/31
Filed: 2002-10-15
Abstract: PURPOSE: To provide an electronic component device which can be repaired even in the case where the electronic component device is encountered with an undesirable condition in an electric connection after it had once an under fill. CONSTITUTION: The electronic component device has such a structure that, in a state where a connection electrode (solder bump) 3 placed on a semiconductor element (flip chip) 1 and a connection electrode (solder pad) 5 placed on a wire circuit board 2 are facing to each other, the semiconductor element (flip chip) 1 is loaded on the wire circuit board 2. A gap between the wire circuit board 2 and the semiconductor element (flip chip) 1 is resin-sealed with a sealing resin layer 4 consisting of a liquid epoxy resin composition containing the following components (A) to (C), and the following component (D). (A) a liquid epoxy resin. (B) a curing agent. (C) an inorganic filler. (D) a fluorine- containing aromatic diamine compound having four substituents at N,N,N',N'.
Patent KR-20040033806-A (KR)
Title: Assembly structure of head lamp for vehicles
Inventor: KIM YEONG MIN
IPC: B60Q1/04
Filed: 2002-10-16
Abstract: PURPOSE: Assembling structure of a headlamp for a vehicle is provided to improve worker's convenience and productivity by reducing the number of parts and simplifying the assembling process through improvement of the assembling structure of the headlamp. CONSTITUTION: A headlamp for a vehicle comprises a light bulb(200) to which a terminal is integrally formed; a reflecting mirror(100) supporting the light bulb; and a connector(300) fastened to the terminal of the light bulb, to supply sources of electricity. Assembling structure of the headlamp comprises a fitting projection(110) projected on the rear of the reflecting mirror, and fixed ends(310) integrally formed to both sides of the connector. The fitting projection is bent at a right angle. The fixed end forms a hook(311) bent at a right angle at the end portion, to be elastically inserted into the fitting projection.
Patent KR-20020097080-A (KR)
Title: Public transportation system using active dsrc & method of using thereof
Inventor: PARK YEONG IL
IPC: G08G1/123
Filed: 2002-10-18
Abstract: PURPOSE: An active DSRC(Dedicated Short-Range Communication) based public transportation management system and a method for the same are provided to perform effectively a data transmitting and receiving process by using a DSRC network to provided traffic information. CONSTITUTION: A vehicle transportation information system is formed with a DBS(DSRC Bus System) center(110), a RSE(Road Side Equipment)(115-1,115-2), a vehicles(140), and a depot guide system(170). A private network(113) is formed between the DBS center(110) and the RSE(115-1,115-2) or the DBS center(110) and the depot guide system(170). Traffic information and other information are received or transmitted between the DBS center(110) and the RSE(115-1,115-2) or the DBS center(110) and the depot guide system(170) through the private network(113). A management system(121) is installed at a bus carbarn(120). The management system(121) receives or transmits information from or to a card company(130) and the DSB center(110). A card terminal(142), a passenger guide device(144), and a driver guide device(146) are installed in the vehicle(140).
Patent KR-20030032887-A (KR)
Title: Holder for freeze-drying of drug solutions
Inventor: IKENOUE MASAKI
IPC: F26B5/06
Filed: 2002-10-18
Abstract: PURPOSE: To provide a holder for lyophilization, in which foreign substance or bacteria are not mixed inside a sealed part when welding the opening part of a flexible container to form the sealed part. CONSTITUTION: This holder is provided with a pedestal 1 having a slope 11 becoming gradually high from a top end to a base end, an air ventilating means provided on the base end of this pedestal 1 and a sealing means 3 for sealing the opening part B1 of the flexible container B placed on this pedestal 1. Then, this sealing means 3 has a pressing member 31 having two front and rear sealing bars 311 and 312 orthogonal with the axial direction of the pedestal 1 and a lever 32, and when this lever 32 is turned down toward the top end of the pedestal 1, the pressing member 31 doubly seals the opening part B1 of the flexible container B forward and backward.
Patent KR-20040035102-A (KR)
Title: Nitride semiconductor field effect transistor(FET) fabrication method thereof
Inventor: LEE GYU SEOK
IPC: H01L29/45
Filed: 2002-10-18
Abstract: PURPOSE: A nitride semiconductor FET(Field Effect Transistor) and a manufacturing method thereof are provided to be capable of increasing the current inflow efficiency of a source/drain ohmic electrode and preventing the thermal degradation of the source/drain ohmic electrode due to high temperature exothermic reaction. CONSTITUTION: A nitride semiconductor FET is provided with a substrate(100), the first semiconductor layer(104) formed on the substrate, the second semiconductor pattern(108a) formed on the first semiconductor layer, and a two-dimensional electron gas layer(106) between the first semiconductor layer and the second semiconductor pattern. The nitride semiconductor FET further includes a 'T' shaped gate(118) connected with the second semiconductor pattern and a source/drain ohmic electrode(114) formed at both sides of the second semiconductor pattern on the first semiconductor layer. At this time, the source/drain ohmic electrode is completed by sequentially forming an Ni(or Cr)/In/Mo(or W)/Au layer.
Patent KR-20030034017-A (KR)
Title: Metal-Graphite Brush
Inventor: OTANI TAKAYOSHI
IPC: H02K13/00
Filed: 2002-10-24
Abstract: PURPOSE: To prevent an increase in lead-wire fitting resistance in a metal graphite brush that contains a metallic-sulfide solid lubricant but does not contain lead. CONSTITUTION: A brush body 4 of the metal graphite brush 2 is formed of a commutator side member 6 that contains graphite, copper and a metallic- sulfide solid lubricant, and a lead-wire embedding member 8 that contains graphite and copper but does not contain a metallic-sulfide solid lubricant. A lead wire 10 is fitted to the lead-wire embedding member 8 that does not contain a metallic-sulfide solid lubricant.
Patent KR-20030045592-A (KR)
Title: Camera Built-in Exterior Rearview Mirror
Inventor: HITOMI YOSHINORI
IPC: B60R1/12
Filed: 2002-11-07
Abstract: PURPOSE: To provide an outer rear view mirror with built-in camera capable of maintaining the visibility of a vehicle near front wheels, securing the same specified imaging area as that at a neutral position even in the storage position. CONSTITUTION: This outer rear view mirror with built-in camera comprises a camera module 10 installed in a mirror housing 2 installed in a vehicle W rotatably from the neutral position N1 to a rearward storage position N2 and a forward position N3 through a mirror base 6 and a camera angle changing means having a drive mechanism 20 for changing the camera angle of a camera body 12 rotatably installed in the camera module 10. The camera body 12 is rotatively controlled so as to maintain a generally specified imaging area so that a variation in imaging area relative to the rotating operation of the mirror housing 2 can be suppressed.
Patent KR-20020091006-A (KR)
Title: A rolling work hardening apparatus for wire rod
Inventor: YOO BYONG SEOP
IPC: B21F99/00
Filed: 2002-11-08
Abstract: PURPOSE: A rolling work hardening apparatus for wire rod is provided which not only improves surface roughness and hardness of the wire rod, but also continuously hardens the wire rod by rolling the surface of the wire rod. CONSTITUTION: In a rolling work hardening apparatus for wire rod which processes the surface of the wire rod, the rolling work hardening apparatus for the wire rod is characterized in that the rolling work hardening apparatus comprises a pair of working rolls(30a,30b) which are idly arranged in the upper part of a frame, and into which the wire rod (W) is interposed; a rolling dies(50) which is rotationally arranged in the upper part of the frame to roll the surface of the wire rod (W) that is penetrated into between the pair of working rolls(30a,30b) in such a manner that direction of a headstock(60) is inclined in a certain angle of degrees to a vertical plane to give transfer force to the wire rod (W) rolled; and a driving means for rotating the rolling dies(50), wherein a plurality of back up rolls(40a,40b,40c) reinforcing the pair of working rolls(30a,30b) with the back up rolls(40a,40b,40c) being contacted with the working rolls(30a,30b) are arranged in the upper part of the frame, slope of the headstock(60) of the rolling dies(50) is an angle of 1 to 30 degrees, and outer circumference of the front end of the rolling dies(50) is crowning treated for easy initial entry of the wire rod (W).
Patent KR-20040041274-A (KR)
Title: Apparatus and method for automatically controlling volume of digital audio
Inventor: LEE MYEONG HUN
IPC: H03G3/20
Filed: 2002-11-09
Abstract: PURPOSE: An automatic volume controller of a digital audio system and a controlling method thereof are provided to prevent the damage of the digital audio system by controlling automatically the volume of the digital audio system. CONSTITUTION: An automatic volume controller of a digital audio system includes an audio decoder(201), a controller(203), a volume control(204), and a D/A converter(205). The audio decoder(201) is used for decoding an inputted digital audio bit stream according to a PCM(Pulse Code Modulation) method. The controller(203) senses an on/off state of an audio signal and outputs a volume control signal according to a sensed result. The volume control(204) increases or reduces the volume of PCM signals of the audio decoder according to the volume control signal of the controller. The D/A converter(205) is used for converting the PCM signals to analog signals and outputting the analog signals to a speaker.
Patent KR-20030040098-A (KR)
Title: Three phase rectifier circuit with virtual neutral
Inventor: LUBOMIRSKY VADIM
IPC: H02M7/06
Filed: 2002-11-12
Abstract: PURPOSE: A three phase rectifier circuit with virtual neutral point is provided to supply a smoothing DC rail voltage to a power converting module, decrease the ripples in the EC rail voltage output and increase the power factor. CONSTITUTION: A rectifier circuit(12) for powering three power conversion modules using a three phase AC input without a neutral connection comprises a first bridge rectifier that is connected to a first phase of the three phase AC input and that produces a first rectified waveform, a second bridge rectifier that is connected to a second phase of the three phase AC input and that produces a second rectified waveform, a third bridge rectifier that is connected to a third phase of the three phase AC input and that produces a third rectified waveform, and a connection between the first, second, and third bridge rectifiers that forms a virtual neutral.
Patent KR-20030080990-A (KR)
IPC: G06F17/00
Filed: 2002-12-06
Abstract: 본 발명은 서지에 의한 파괴가 발생되어 있는지를 마이크로컴퓨터 자체에서 검출할 수 없다는 문제를 해결하기 위한 것으로, 마이크로컴퓨터의 포트부의 패드에 접속하는 입출력 버퍼용 인버터 회로와, 이 회로의 입력과 출력을 논리 게이트를 거쳐서 배타적 논리합의 연산을 처리하는 인버터 회로와, 그 처리 결과를 마이크로컴퓨터에 실장한 레지스터 회로에 유지하고, 그 레지스터값을 판독함으로써 당해 입출력 버퍼용 인버터 회로에 포함되는 버퍼 트랜지스터가 정상인지 여부를 판정하도록 하며, 이것에 의해, 트랜지스터의 서지에 의한 파괴를 검출할 수 있도록 했다.
Patent KR-20040049974-A (KR)
Title: A distillation apparatus having bubble cap trays for discharging pitch easily
Inventor: KIM MYEONG HUI
IPC: B01D3/20
Filed: 2002-12-06
Abstract: PURPOSE: Provided is a distillatory column having a bubble cap tray which easily discharges pitch generated from the distillatory column. CONSTITUTION: The distillatory column comprises discharge grooves formed on the bottom of a multistage bubble cap tray(10) to collect pitch (P), drain nozzles(15) respectively connected to the discharge groove to discharge the pitch to the outside of the distillatory column, a separating port(20) collecting the pitch inside through an unifying pipe(17) connecting each drain nozzle and a screw pump(50) transferring the precipitated pitch on the lower part of the separating port to an outside wastewater treating device.
Patent KR-20040052119-A (KR)
Title: Apparatus for connecting slide door of car
Inventor: OH JONG HWAN
IPC: B60J5/08
Filed: 2002-12-13
Abstract: PURPOSE: A device for connecting a slide door of a vehicle is provided to reduce the number of operation processes and conveniently perform an error correction by regulating the error with a connecting mechanism if the error is generated at the connecting point for connecting between the slide door and a guide rail. CONSTITUTION: A connecting device for a slide door of a vehicle comprises a connecting bracket(10) composed of a rotary tool formed at one side to slidingly combine to a guide rail(30) disposed to a vehicle body and through-holes(14',15') formed at upper and lower ends at the other side; a supporting bracket(20) of which one side is received in the connecting bracket and arranged with through-holes(21',22') at the same position of the through-holes of the connecting bracket and the other side is fixed with the slide door of the vehicle by a combining tool; and a connecting mechanism fitted into the through-holes of the connecting and supporting brackets to adjust the upper and lower positions of the connecting and supporting brackets.
Patent KR-20040053566-A (KR)
Title: Automatic open-device of rear package trim using spiral spring
Inventor: HAN JAE YUL
IPC: B62D25/12
Filed: 2002-12-17
Abstract: PURPOSE: An automatic opening device of a rear package trim making use of a spiral spring is provided to automatically open the rear package trim by elastic force of the spiral spring wound on a rotating shaft and prevent sudden opening of the rear package trim by elastically installing a torsion spring to the rotating shaft. CONSTITUTION: An automatic opening device of a rear package trim(200) making use of a spiral spring(30) comprises the spiral spring connected to the end of the room side of the rear package trim and wound on a rotating shaft(20), to automatically open the rear package trim by the elastic expanding force acting outward; the rotating shaft on which the spiral spring is wound while the both ends of the rotating shaft are supported in structure of rotating by fixing bosses(12); a torsion spring(40) wound on the rotating shaft to prevent sudden opening of the rear package trim; a slide roller(50) pressing the spiral spring from a side to restrict the expanding state of the spiral spring; and an assembling plate(10) having a discharge hole(13) guiding withdrawal/receiving of the spiral spring and storing the spiral spring, the rotating shaft, the torsion spring, and the slide roller. The torsion spring gives torsional force to the rotating shaft. The assembling plate is installed to a rear seat panel(100).
Patent KR-20030011043-A (KR)
Title: Self-aligned patterns by melting point difference
Inventor: LEE JEONG LIM
IPC: B22D25/02
Filed: 2002-12-17
Abstract: PURPOSE: A method for forming self-aligning patterns using difference of melting point is provided to form self-aligning aesthetic patterns on the surface of accessories within a short period of time by overcoming problems of cost, time and labor. CONSTITUTION: The method for forming self-aligning patterns using difference of melting point comprises the steps of positioning metal having a high melting point in the combination of metals or nonmetals having each different melting points into a casting mold, and then injecting metal having a low melting point into the casting mold so that an ingot is manufactured; and cutting and grinding the ingot so that patterns of the cut surface of the metal having a high melting point are self-aligned in matrix of the metal having a low melting point, wherein the metal having a low melting point out of the metals having each different melting points is a metal that can be cast, and the self-aligning patterns comprise selective oxidization and selective additional painting as post-processes.
Patent KR-20030007336-A (KR)
Inventor: KIM BYUNG JOO
IPC: A47J37/06
Filed: 2002-12-17
Abstract: PURPOSE: An automatic cooker using a bamboo vessel is provided to improve the convenience of use and safety of a worker by rapidly cooking foods in a short time period using a semi-automatic cooking system. CONSTITUTION: An automatic cooker includes a head section(2) and a combustion chamber section(3). A two-stepped lid(1) is provided at an upper portion of the automatic cooker so as to lift up the head section(2) from the combustion chamber section(3). Five chain gears and one spur gear are installed in the head section(2). A reduction motor(8) is provided to supply power to the chain gears and one spur gear. A terminal(4) is provided to receive gas through a pipe(7). The combustion chamber section(3) is foldable in a three step. A withdrawing rod(6) is provided to withdraw foods from the combustion chamber section(3).