baber/WOPTO huggingface dataset:
Patent KR-20030071072-A (KR)
Title: Multiplex satellite receiver
Inventor: KIM CHANG HUN
IPC: H04N7/20
Filed: 2002-02-27
Abstract: PURPOSE: A multifunction system capable of receiving satellite signals is provided to integrate a digital set top box with a digital video disk player to reduce manufacturing costs. CONSTITUTION: A multi-function system capable of receiving satellite signals includes the first and second signal processors(110,120), a controller(130), a decoder(140), and a digital/analog converter(150). The first signal processor selects a channel, demodulates data of the selected channel and corrects an error in the data. The second signal processor demodulates compressed data read by a pick-up and reproduced on a digital video disk, corrects an error in the data, splits the data into a plurality of signal data and controls the pick-up with the error-corrected data. The controller selectively outputs a control signal according to signals output from the first and second signal processors. In the case that the signal output from the first signal processor is a scrambled signal, the decoder outputs the scrambled signal as a normal signal, reproduces the normal signal, and reproduces the compressed data output from the second signal processor, according to the control signal output from the controller. The digital/analog converter converts the digital audio and video signals output from the decoder into analog signals.
Patent KR-20030073598-A (KR)
Title: Vertical deflection electrode of Flat Type Display Device
Inventor: KIM IN JU
IPC: H01J29/74
Filed: 2002-03-12
Abstract: PURPOSE: A horizontal deflection electrode structure is provided to reduce electrodes and costs, while obtaining a sufficient structural strength and high quality spots on the screen. CONSTITUTION: A flat display device comprises a filament cathode, an electron lead out electrode(5), an electron control electrode, an electron focus electrode, a horizontal deflection electrode and a vertical deflection electrode. The horizontal deflection electrode has an electron beam deflection area formed by a plurality of electrodes applied with different voltages, wherein the electron beam deflection area has a configuration of an X-symmetry, a Y-symmetry and a point symmetry. The electron beam deflection areas are interconnected with each other in a horizontal direction.
Patent KR-20020032468-A (KR)
Inventor: MIN BYUNG EE
IPC: F24D3/12
Filed: 2002-03-13
Abstract: PURPOSE: A heating pipe made of synthetic resin is provided to obtain the thermal efficiency of the heating pipe made of the synthetic resin, and to flexibly construct the heating pipe at the floor of the room. CONSTITUTION: A heating pipe(11) made of synthetic resin is used for heating the room and maintaining the constant thickness. A wave shaped conduction wire(12) or a conduction wire is integrated with a protection film(13) at the upper surface of the heating pipe(11).
Patent KR-20030075215-A (KR)
Title: A measuring head for air-micrometer, having a opening and shutting means of injection air
Inventor: LIM BYEONG HUN
IPC: G01B21/00
Filed: 2002-03-16
Abstract: PURPOSE: A measuring head of a pneumatic micrometer having an opening/shutting device for blast air is provided to block blast air by arranging the opening/shutting device to the measuring head and to inject air only to measure inside and outside diameters. CONSTITUTION: A measuring head of a pneumatic micrometer having an opening/shutting device(15a) includes a body(5) injecting air to an inner peripheral surface of a tubular part and the opening/shutting device installed to the body to block blast air. The body has an air passage(3) injecting air toward a radial direction to measure a bore of the tubular part and an air supply hole to supply outer air. The opening/shutting device opens and shuts the air supply hole to pass or block air of the air passage. Therefore, a measuring portion measures pneumatic pressure of blast air in the tubular part and the bore is calculated.
Patent KR-20030075653-A (KR)
Title: A breather of electrical control unit for electronic control brake system
Inventor: HAN GAK HYEON
IPC: B60T8/34
Filed: 2002-03-20
Abstract: PURPOSE: An intake and exhaust apparatus of an electronic control unit for an electronic control brake system is provided to prevent inflow of foreign matters, and to reduce manufacturing cost by modifying the structure of the intake and exhaust apparatus for regulating internal pressure in the electronic control unit. CONSTITUTION: An intake and exhaust hole(43) is formed in a male connector(40), and communicated with a case(32). An intake and exhaust apparatus(60) is composed of a holder(63) and an air filter(62), and installed in a female connector(50) not to be exposed. The damage is prevented by restricting external pressure or hydraulic pressure from being applied directly to the air filter, and function of the air filter is improved. Parts of the intake and exhaust apparatus are reduced, and the intake and exhaust apparatus is installed in the female connector easily.
Patent KR-20020029360-A (KR)
Inventor: AHN CHANG GWON
IPC: H02K7/075
Filed: 2002-03-23
Abstract: PURPOSE: A coin type vibration motor and method for manufacturing the same is provided to reduce manufacturing procedures by eliminating a plating process and the need of using a printed circuit board, while lengthening useful life of commutator. CONSTITUTION: A coin type vibration motor comprises an upper case(10); a lower case(20); a magnet(30) attached to the lower case; a rotor(40) having a coil(120) and a commutator(110); an eccentric weight(140) arranged at the outer periphery of one or two coils of the rotor from among three coils disposed at a gap angle of 120 degrees so as to increase an eccentric distance; and a magnetic ring(50) disposed onto the rotor. A method for manufacturing the coin type vibration motor comprises a first step of pressing a commutator; a second step of soldering the commutator to a flexible printed circuit board; a third step of manufacturing a rotor by integrally injecting molding the flexible printed circuit board, coil and a bearing into a single body; a fourth step of soldering a coil to the solder land of the commutator; and a fifth step of attaching the magnetic ring onto the rotor.
Patent KR-20030079078-A (KR)
Inventor: KO SEUNG BEOM
IPC: G11C11/40
Filed: 2002-04-01
Abstract: PURPOSE: A semiconductor memory device is provided, where a sense amplifier sense data inputted or being output from each memory block with the same speed, and sense them stably at a high voltage region. CONSTITUTION: A memory cell array(10) is accessed in a block unit. A block selection signal generation circuit(30) generates a plurality of block control signals(CBL1-CBLn) by inputting an external address. An I/O multiplexer(20) comprises a plurality of multiplexers, and selects a memory block by receiving the plurality of block control signals from the block selection signal generation circuit and converts the input and the output of the selected memory block. A sensing gain control signal generation circuit(60) generates a plurality of sensing gain control signals by receiving the plurality of block control signal and a mode setting register signal(MRS) from the block selection signal generation circuit. And a sense amplifier(50) generates an output signal by amplifying data received from the I/O multiplexer.
Patent KR-20030083508-A (KR)
Title: Sheet pick-up apparatus
Inventor: PARK YEONG BAE
IPC: G03G15/00
Filed: 2002-04-23
Abstract: PURPOSE: A paper pickup device is provided to block or reduce the transmission of vibration via a coil spring to a printer main body by the friction noise generated in the procedure of paper pickup and transmission, thereby reducing the noise. CONSTITUTION: A paper pickup device includes a stacking plate(210), a pickup roller(240), a compression coil spring(230) and a blocking element. The stacking element is coupled to a hinge(215) of a cassette(200) and provided with a friction plate(220) formed of cork. The pickup roller is mounted on the friction plate for picking up a paper. The compression coil spring is mounted between the stacking plate and the cassette to apply elasticity to a bottom surface of the stacking plate in the pickup roller direction. The compression coil spring is elastically deformed by the weight of papers stacked on the stacking plate and rotates the stacking plate with respect to the center of rotation, thereby applying a predetermined elastic pressure to the papers and the pickup roller. The blocking element is a buffering tube(250) inserted in the spiral of the compression coil spring to make a lower end of the stacking plate contact the compression coil spring. The buffering tube blocks or mitigates the vibration of the stacking plate.
Patent KR-20020087003-A (KR)
Inventor: KLEEMANN BERND
IPC: G02B5/18
Filed: 2002-05-10
Abstract: PURPOSE: Diffractive optical element and also optical arrangement comprising a diffractive optical element are provided to correct for certain aberrations in an optical arrangement, for example the longitudinal color aberration, the color magnification error, the secondary spectrum and also the color variation in the coma. CONSTITUTION: The diffraction structures(104-109) have the same sawtooth-type basic shape as the corresponding diffraction structures of the diffractive converging lens. The widths r of the diffraction structures(104-109) are also equal to those of the diffraction structures as, for example, a comparison of the widths of the diffraction structure and r107 of the diffraction structure(107) shows. Those portions of the diffraction structures(104 - 109) extending furthest away from the counter surface(111), that is to say the tips of the sawteeth, are at the same distance from the counter surface(111) for all the diffraction structures(104-109).
Patent KR-20030089793-A (KR)
Title: Method and Apparatus for extraction of Precious metals from Plating Wastewater
Inventor: KIM JAE YONG
IPC: C02F1/42
Filed: 2002-05-20
Abstract: PURPOSE: Provided are a method and an apparatus for recovering valuable metal from plating wastewater to save natural resources and prevent soil contamination and water pollution. CONSTITUTION: The apparatus comprises a wastewater tank(10) with a water level adjusting sensor installed at a wall thereof, a first and a second ion exchange chambers(50,60) connected to the wastewater tank via pipes(30), each chamber(50,60) having an ion exchange fabric support therein, a strongly acidic cation exchange fabric, and a cleaning agent distributing nozzle vertically installed at the center thereof, solenoid valves(70) installed in the middle of the pipes between the wastewater tank(10) and the ion exchange chambers(50,60), for selectively supplying wastewater to the first and second ion exchange chambers(50,60), a cleaning agent tank(100) with a pressure pump for selectively washing cation exchange fabrics in the first and second ion exchange chambers(50,60) by supplying cleaning agent through the nozzles, an electrolyzing tank(120) connected to the ion exchange chambers(50,60) for receiving back washed water used for back-washing the cation exchange fabrics and containing valuable metals, a heater(160) installed above the electrolyzing tank(120), a cation exchange fabric chamber(170) connected to the first and second ion exchange chambers via pipes, and a treated water tank(190) connected to the cation exchange fabric chamber(170) via an activated carbon filter(180) and a micro filter(180'). The method comprises the steps of selectively supplying plating wastewater to a first and a second ion exchange chambers, collecting valuable metals from the wastewater by ion exchange of strongly acidic cation exchange fabrics in the first and second ion exchange chambers, back-washing one of the first and second ion exchange chambers, which is not filled with plating wastewater, by supplying cleaning agent to the ion exchange chamber, transferring the back washed water to an electrolyzing tank, recovering valuable metals by performing electrolysis at temperature of 30 to 70 deg.C in the electrolyzing tank, and transferring the valuable metal-removed water to a treated water tank via a cation exchange fabric chamber, an activated carbon filter and a micro-filter.
Patent KR-20030090092-A (KR)
Title: Lapping-tool for lapping apparatus of crt glass
Inventor: LEE DAE YEON
IPC: H01J9/38
Filed: 2002-05-21
Abstract: PURPOSE: A polishing tool for polishing a glass product of a cathode ray tube is provided to prevent a scratch on an indicative side of the glass product by improving a combination structure of polishing buttons. CONSTITUTION: A polishing tool for polishing a glass product of a cathode ray tube includes a disk-shaped support plate(33) and a plurality of polishing buttons(35). The disk-shaped support plate(33) is formed with an elastic material. The polishing buttons(35) are arranged on a surface of the disk-shaped support plate(33). The disk-shaped support plate(33) is formed with a plurality of layers. The layers of the disk-shaped support plate(33) have different degrees of elasticity. The disk-shaped support plate(33) includes a soft rubber layer and a plurality of hard rubber layers. The soft rubber layer is installed between the hard rubber layers.
Patent KR-20030090365-A (KR)
Inventor: OK JIN GU
IPC: H01L21/027
Filed: 2002-05-23
Abstract: PURPOSE: A blind unit cover of a semiconductor stepper is provided to prevent separation of a blind unit cover due to the vibration in an exposure process using the semiconductor stepper by combining the blind unit cover with a blind unit. CONSTITUTION: A handle(32) is formed at an intermediate portion of a horizontal side(38). Four holes(32) are formed at each edge of the horizontal side(38). A vertical side(40) is vertical to the horizontal side(38). Four holes(36) are formed at a bottom end of the vertical side(40). A blind unit cover(30) is combined with a blind unit by inserting a plurality of screws into the holes(36) of the horizontal side(38). The separation of the blind unit cover(30) is prevented by combining the blind unit cover(30) with the blind unit.
Patent KR-20030094429-A (KR)
Title: Automatic setting method of digital camera for broadcasting
Inventor: LEE MUN SIK
IPC: H04N5/225
Filed: 2002-06-04
Abstract: PURPOSE: A method of automatically setting up a digital camera for broadcasting is provided to simply and promptly set up set items including black balance, iris compensation, white balance, and functional balance in a digital camera. CONSTITUTION: Test chart video is prepared in advance, all functions are turned off, and an iris is closed(S31). A mean video level of each compensation item related to a predetermined pixel block of the test chart video is obtained through black video analysis and the obtained mean video levels are stored as reference values(S32). A black balance compensating process executing black shading, black set, and pedestal is executed, and an iris compensating process is executed by obtaining a mean value of an image by opening the iris at a predetermined opening rate, comparing the mean value with the reference values(S33). A white balance is compensated by executing white shading, flare compensation, and gain compensation according to the test chart video analysis(S34). A functional balance is compensated by executing gamma compensation and knee compensation according to the test chart video analysis(S35).
Patent KR-20030097233-A (KR)
Title: Chrome-Molybdenum alloy steel for gear
Inventor: CHO BONG RAE
IPC: C22C38/18
Filed: 2002-06-20
Abstract: PURPOSE: A chromium-molybdenum (Cr-Mo) alloy steel for gear is provided which is easily applied to high power transmission gear and shaft by adding a trace of boron to Cr-Mo alloy steel not containing nickel and controlling contents of some of alloy elements, thereby improving properties and formability and reducing manufacturing cost. CONSTITUTION: In a chromium-molybdenum (Cr-Mo) alloy steel used as a material for gear, the chromium-molybdenum (Cr-Mo) alloy steel for gear comprises a principal constituent of iron (Fe), 0.17 to 0.23 wt.% of carbon (C), 0.10 wt.% or less of silicon (Si), 0.55 to 0.90 wt.% of manganese (Mn), 0.015 wt.% or less of phosphorus (P), 0.02 to 0.03 wt.% of sulfur (S), 0.85 to 1.25 wt.% of chromium (Cr), 0.15 to 0.35 wt.% of molybdenum (Mo), 0.015 to 0.035 wt.% of niobium (Nb) and 10 to 20 ppm of boron (B).
Patent KR-20030097374-A (KR)
Title: Checking Apparatus of Slip for Roll
Inventor: HAM BYEONG HA
IPC: B21B37/00
Filed: 2002-06-20
Abstract: PURPOSE: An apparatus for detecting slip of rolls is provided to prevent flaws generated by slip of two rolls to which high load is applied and prevent defects of product generated by the flaws by accurately detecting the slip when slip is generated during rotation of the two rolls. CONSTITUTION: The apparatus comprises a pulse detecting cover formed on the front surface of hydraulic nut of second roll; gear grooves a plurality of which are formed on an upper surface of the pulse detecting cover with being spaced apart from each other in an equal distance so that the gear grooves function as a detection plate of first and second sensors; a rotation detecting mark formed at a lower part of the gear grooves so that the rotation detecting mark functions as a detecting plate of the rotation sensing sensor(22); first and second sensors for sensing the gear grooves of the pulse detecting cover; a rotation sensing sensor(22) for sensing rotation of the pulse detecting cover; sensor box body(50) and sensor box cover(51) formed to protect the sensors; moving box body(52) and moving box cover(53) smoothly operated by trust operation during rolling; a guide(59) for guiding the movement of the moving box body(52) when the moving box body(52) is moved by interaction of guide block(58), guide bar(56) and elastic body(57); a bellows type rubber cover(55) for preventing oil in chock from flowing in the sensor box body(50); a converter(54) for converting signals sensed in the sensors into pulse signals; and a connector(24) transmitting the pulse signals converted by the converter to an outer data processor.
Patent KR-20030001296-A (KR)
Inventor: ASANO TETSURO
IPC: H01L29/423
Filed: 2002-06-21
Abstract: PURPOSE: To solve the problem that pad electrodes are disposed in an L shape along chip corners so as to reduce the cost by shrinking the chip size in a GaAs FET adopted for a high-frequency device. CONSTITUTION: In order to realize a further shrinkage of the chip size and improve high-frequency characteristics of a compound semiconductor device, the pad electrodes are disposed at respective corners of the chip, and the FET is disposed at the center with inclination of 45° to the side of the chip. Thus, the chip size can be further reduced, and a lower cost GaAs FET than that of a silicon semiconductor of an ultra-high frequency can be realized.
Patent KR-20040001908-A (KR)
Title: Method for fabricating semiconductor device induced junction leakage
Inventor: YOON GI SEOK
IPC: H01L21/336
Filed: 2002-06-29
Abstract: PURPOSE: A method for manufacturing a semiconductor device by restraining junction leakage is provided to improve reliability by restraining junction leakage generated at edges of an active region. CONSTITUTION: A field insulating layer(12) is formed at a silicon substrate(10) for defining an active and inactive region. A portion of the field insulating layer(12) adjacent to the active region is selectively removed. A source/drain region(20) is then formed in the active region of the silicon substrate(10) by ion-implantation. At this time, the source/drain region further includes a band-down profile(20A) located at an edge portion of the active region.
Patent KR-20020064260-A (KR)
Inventor: JIN HAK MU
IPC: F21V8/00
Filed: 2002-07-15
Abstract: PURPOSE: A lighting apparatus is provided to economize energy by using a convex reflective mirror, a concave reflective mirror, and a plane reflective mirror. CONSTITUTION: A frame is formed in a cylindrical structure(90). A convex reflective mirror(10), concave reflective mirrors(20,50), and a plane reflective mirror(40) are installed in the frame. The external light passing a beam penetrating hole(30) is refracted by the convex reflective mirror(10) and the plane reflective mirror(40). The light refracted by the convex reflective mirror(10) and the plane reflective mirror(40) is refracted by a plane reflective mirror(60). A convex reflective mirror(80) is installed on a wall surface of a desired region. A lamp(100) is installed at an outside of the cylindrical structure(90). The lamp(100) is used in the night or in the inclement weather.
Patent KR-20040007086-A (KR)
Title: Method for automatically receiving SMS of SMS telephone for CID non-affilation
Inventor: KIM JU HUN
IPC: H04M11/10
Filed: 2002-07-16
Abstract: PURPOSE: A method for automatically receiving an SMS of an unregistered CID(Calling Identity Delivery) SMS telephone is provided to confirm whether a CAS(CPE Alerting Signal) of the SMS received after a designated bell signal exists, and to receive an SMS message, thereby easily receiving the SMS message with the unregistered CID SMS telephone. CONSTITUTION: A system is in standby state(S1). The system sets an automatic SMS receiving function by designating reception frequency of a ring signal in an unregistered CID wire telephone(S2). The system decides whether the ring signal is received as much as preset frequency(S3). If so, the system automatically performs an off-hook function, and converts into a speech state(S4). The system decides whether a CAS is included in communication signals(S5). If so, the system receives an SMS message transmitted through a PSTN(S7). The system displays and stores the received SMS message(S8).
Patent KR-20020073103-A (KR)
Inventor: KIM YEONG SU
IPC: B60B33/00
Filed: 2002-07-22
Abstract: PURPOSE: A damper of a caster is provided to prevent noise by doubling damping through an urethane cap and a spring and shielding the spring with the urethane cap and to maximize the quality and the reliability of the caster by stably carrying various of loads. CONSTITUTION: Combining grooves(5') are formed in both ends of an arm(5) to combine an urethane cap(10). The urethane cap(10) is smaller than the length of a spring(15) to doubly damp the spring and the urethane. An inserting portion(11) is formed in both sides to load the spring. The spring is loaded in a loading protrusion(6') of a combining member(6). Thereby, the caster is doubly damped by the urethane cap and the spring.
Patent KR-20030027657-A (KR)
Title: Die for injection molding
Inventor: MURAYAMA FUJIO
IPC: B29C45/27
Filed: 2002-07-25
Abstract: PURPOSE: To simplify the structure of a valve gate and the structure of a valve gate mounting part and thereby, make the working/assembling of the valve gate simple to save the price of the whole molding tool. CONSTITUTION: This injection molding tool comprises a first mold part 4 with a gate 7, a second mold part 20 for forming a molding cavity 23 communicating with the gate 7 in collaboration with the first mold part 4, a manifold 10 having a molding material supply passage 12 communicating with the gate 7, a heat insulating space 16 formed between the first mold part 4 and the manifold 10 and a valve gate 24 for opening/closing the gate 7. The valve gate 24 is structured of a valve pin 25 which penetrates the first mold part 4 and the manifold 10 and opens/closes the gate 7, a sealing member 27 for sealing a through part for the valve pin 25 of the manifold 10 and a heater 29 for heating the manifold 10. As each of the parts is formed as an discrete element, the structure of the individual parts and their mounting parts can be simplified and thus the working/assembling of the valve gate 24 are simple.