baber/WOPTO huggingface dataset:
Patent KR-20040021230-A (KR)
Title: Refractory for gas bubbling
Inventor: HONG GI GON
IPC: B22D41/42
Filed: 2002-09-03
Abstract: PURPOSE: A refractory material for gas bubbling is provided in which life cycle of the refractory material is extended by reducing residues of metal and slag, and an inexpensive refractory material for gas bubbling having a simple structure is provided. CONSTITUTION: The refractory material for gas bubbling comprises a central part refractory material(30) which is installed on the bottom surface inside ladle, on a lower surface of which an air pool(31) is installed so that the central part refractory material is formed in a cone shape, on an outer surface of which includes the air pool and is covered with metal case(33), and in which an air line(32) is connected to the air pool by passing through the metal case; and a safety brick(34) closely adhered to the outer surface of the metal case and installed on the bottom surface of an inner part of the ladle, wherein the central part refractory material and the safety brick are manufactured by adding Cr2O3 to a composition comprising 94 wt.% of Al2O3, 2.5 wt.% of MgO and 3.5 wt.% of other inevitable impurities, and the Cr2O3 is added to the composition in such a way that a content ratio (Al2O3/Cr2O3) of Al2O3 to Cr2O3 is 1.2 to 2.8, and a content ratio ((Al2O3+Cr2O3)/MgO) of the total content sum of Al2O3 and Cr2O3 to content of MgO is 3.0 to 4.5 in a fine powder part of the refractories having a particle size of 0.075 mm or less.
Patent KR-20040022320-A (KR)
Title: Compressive apparatus for gas in reciprocating compressor
Inventor: KIM BYEONG JIK
IPC: F04B35/04
Filed: 2002-09-05
Abstract: PURPOSE: A gas compressing device of a reciprocating compressor is provided to improve the structure of suction and discharge valves for preventing gas collision and the deterioration of compression efficiency caused by dead volume. CONSTITUTION: A gas compressing device of a reciprocating compressor includes a suction valve(143) mounted to a front end surface of a piston(142) for restraining gas inhaled via a suction channel(F) in the piston. A discharge valve assembly(170) is mounted to an end of a cylinder(141) inserted by the piston, and controls the discharge of compressed gas while opening and closing a compression space(P1) formed by the piston and the cylinder. The suction valve is fixed to the piston by a rivet(R) having a rounded head part. A discharge valve(172) of the discharge valve assembly has an insertion groove(172b) corresponding to the rounded head part of the rivet to insert the rivet to a pressure supporting surface(172a) contacting the suction valve.
Patent KR-20030022057-A (KR)
Title: Semiconductor memory device
Inventor: AGATA MASASHI
IPC: G11C11/401
Filed: 2002-09-06
Abstract: PURPOSE: To reduce layout area. CONSTITUTION: A port A of a path of transistors Ta-pair of bit line (Bai1, /Bai1), (Bai2, /Bai2)-column selection switches 14ai, 15ai-pair of data line DBa of a memory cell to be accessed and a port B of a path of transistors Tb-pair of bit line (Bbi1, /Bbi1), (Bbi2, /Bbi2)-column selection switches 14bi, 15bi-pair of data line DBb of a memory cell to be accessed are interleave-operated with two periods of a clock CLK. Data transferred to the pair of data line DBa, DBb are transferred alternately to a pair of data line RDB for each one period of the clock CLK by transfer gates 50, 51, amplified by a read-amplifier 25 and outputted to an input/output buffer 27. The input/output buffer 27 outputs data from the read-amplifier 25 to the out side with one period of the clock CLK.
Patent KR-20040022109-A (KR)
Title: compact type high minuteness load cell
Inventor: KANG DAE IM
IPC: G01G19/00
Filed: 2002-09-06
Abstract: PURPOSE: A large capacity compact-type high precision load cell is provided to achieve stability of a measuring system when used in a small industry field by minimizing an end effect even if an aspect ratio of the load cell becomes reduced. CONSTITUTION: A large capacity compact-type high precision load cell has a cylindrical shape having a length, a diameter, and an aspect ratio. A sensing element(1) having a strain gauge is installed on a cylinder surface of the load cell. An upper part of the sensing element(1) has a contact part(3) having the center of curvature of the upper part. A lower plate(2) having an outer diameter smaller than the size of the sensing element(1) is formed in the center of a lower part of the sensing element(1). Also, a setting hole(4) having an inner diameter is formed in the center part of the lower plate(2).
Patent KR-20040023063-A (KR)
Title: Apparatus for detecting abrasion of brush in direct current motor
Inventor: JUN GWAN SIK
IPC: H01R39/26
Filed: 2002-09-10
Abstract: PURPOSE: An apparatus for sensing the abrasion of a brush of a DC motor is provided to prevent a degradation of driving efficiency of motor and cooling efficiency of engine. CONSTITUTION: An apparatus comprises a fixed contact member(60) fixed in a brush holder(20) in the direction opposite from a brush(10), and constituted by a conductor having a contact elongated in the extension/retraction direction of a support spring(40); a movable contact member interposed between the brush and the spring in such a manner that the movable contact member has an end contacting the brush and the other end elastically supported by the spring, wherein the movable contact member is arranged to be movable along the extension/retraction direction of the spring, and released from the contact with the fixed contact member when the spring extends further than the predetermined length in accordance with the abrasion of the brush; and a control unit(70) for turning on an alarm lamp(80) when the current from the fixed contact member is not sensed.
Patent KR-20040026206-A (KR)
Title: The multipurpose saving box of a electron
Inventor: HAM YOUNG KUG
IPC: A45C1/12
Filed: 2002-09-23
Abstract: PURPOSE: An electronic multifunctional saving box is provided to encourage young boys and girls to save money by various kinds of marvelous sounds and images when money is input or after a predetermined time since a money input. CONSTITUTION: The saving box includes a coin input port(2), a hinged gate and a coin remainder storage portion(5), wherein an electric device unit including a power supply portion(1), a coin input sensing and discriminating sensor portion(3), a switch input portion(6) and a timer(10), an input coin arithmetic portion, an electronic control unit including an acoustic and phonation control portion(11) and a display unit including an image display portion(12) and a signal generating portion(13) are connected to a microcomputer(4).
Patent KR-20040026311-A (KR)
Title: Automatic apparatus for opening/closing of curtain
Inventor: PARK BO IN
IPC: A47H5/02
Filed: 2002-09-24
Abstract: PURPOSE: An apparatus for automatically opening/closing curtain having a simplified structure is provided to enable users including elderly people, children and patients in hospital to open/close the curtain as far as the users desire at an improved convenience. CONSTITUTION: The apparatus for automatically opening/closing curtain includes a motor(101) connected to an external power supplier; a worm(105) connected to a rotational axis of the motor(101) to rotate the motor(101) clockwise/counterclockwise; a worm gear built in a case(108) to be engaged with the worm(105); a driving roller(109) connected to the rotational axis(107) of the worm gear; a supporter for supporting the motor(101) connected to the driving roller(109); and a protruded piece(110) for connecting a curtain to the case(108) through a connector.
Patent KR-20030030865-A (KR)
Title: Power source circuit
Inventor: KOMORI CHIHIRO
IPC: G03G21/00
Filed: 2002-09-28
Abstract: PURPOSE: A power circuit is provided to reduce power loss of switching transistor and manufacturing costs, while achieving operating efficiency of voltage doubler circuit. CONSTITUTION: A power circuit comprises a transformer(200) having a primary coil(210), a secondary coil(220) and a feedback coil(230); a resonance condenser(240) connected in parallel to the primary coil of the transformer; a switching unit having an input terminal connected to an end of the feedback coil of the transformer and an output terminal connected to an end of the primary coil of the transformer, wherein the switching unit controls the current flowing at the output terminal in accordance with the voltage input to the input terminal; and a current detection unit for detecting the current flowing at the switching unit, and turning off the switching unit when the detected current has a level higher than the level of predetermined current. The end of the feedback coil connected to the input terminal of the switching unit has a polarity reverse to the polarity of the end of the primary coil connected to the output terminal of the switching unit.
Patent KR-20040031180-A (KR)
Inventor: LEE HA GEUN
IPC: G06F17/00
Filed: 2002-10-04
Abstract: PURPOSE: A transmitting/receiving system for displaying an e-book is provided to receive/display contents of the e-book received through broadcasting network by using an MHEG(Multimedia and Hypermedia information coding Experts Group) engine without additional network setting or equipment. CONSTITUTION: A transmitter encodes the contents of the e-book to an MHEG application form and transmits it through the broadcasting network. A TV receiver is equipped with the MHEG engine for decoding/displaying the e-book contents received through the broadcasting network. The MHEG engine comprises an ASN.1(Abstract Syntax Notation) decoder to extract the e-book contents included in a text object of the application by decoding the MHEG application, and a text decoder to decode markup decoding for the extracted e-book contents again and converting it into a form readable to a user.
Patent KR-20030029508-A (KR)
Title: Preparation of cephalosporin C broth for manufacturing 7-aminocephalosporanic acid
Inventor: CHOI SANG YONG
IPC: C07D501/24
Filed: 2002-10-04
Abstract: PURPOSE: Provided is a method of pretreating cephalosporin C cultured broth to prepare 7-aminocephalosporanic acid(7-ACA) in high yield without crystallization. CONSTITUTION: The pretreatment method of cephalosporin C cultured broth comprises the steps of: (1) preparing glutaryl-7-aminocephalosporanic acid by reacting with D-amino acid oxidase the cultured broth of cephalosporin C from which catalase is eliminated; and (2) preparing 7-aminocephalosporanic acid by reacting the obtained glutaryl-7-aminocephalosporanic acid with glutaryl-7-ACA acylase.
Patent KR-20040034147-A (KR)
Title: apparatus of transferring a substrate in a semiconductor fabricating
Inventor: KIM JONG DEOK
IPC: H01L21/68
Filed: 2002-10-21
Abstract: PURPOSE: A transfer apparatus used for manufacturing a semiconductor device is provided to be capable of considerably improving the abrasion state of a pad and easily replacing the pad with another. CONSTITUTION: A transfer apparatus used for manufacturing a semiconductor device includes a transfer part(10) having a pad(12). At this time, the pad contacts the backside of a substrate. The pad is made of predetermined rubber, wherein the predetermined rubber is mixed with soft silicon. Preferably, the soft silicon has a Shore hardness of 20-30 degrees. Preferably, at least three pads are installed at the transfer part and the outer diameter of each pad exceeds 3 π. Preferably, the pad is screw-connected with the transfer part, so that the pad is easily replaced with another.
Patent KR-20040037375-A (KR)
Title: Compression bonding method
Inventor: KOO JA NAM
IPC: B23K20/02
Filed: 2002-10-28
Abstract: PURPOSE: A compression welding method is provided to weld glass plates having various sizes to silicon, ceramic or a metal substrate at a low temperature and low pressure environment. CONSTITUTION: A metal welding layer(33) is patterned on an upper surface of a substrate(31). Then, a welding member(35) is aligned on the metal welding layer(33). Then, heat is applied to the substrate(31) while applying pressure to the metal welding layer(33) so that the metal welding layer(33) is melted, thereby welding the substrate(31) to the welding member(35). The substrate(31) includes a silicon substrate or a ceramic substrate. The metal welding layer(33) includes an aluminum layer. The welding member(35) includes an optical device made from glass.
Patent KR-20040037476-A (KR)
Title: Battery use possible time display apparatus for mobile communication terminal
Inventor: CHOI DAE HO
IPC: H04B1/40
Filed: 2002-10-28
Abstract: PURPOSE: An apparatus for displaying a battery available time of a mobile communication terminal is provided to allow a user to know how long a current battery can be used by quantifying a battery charge state to an SOC(State Of Charge) according to a battery parameter and a measured discharge current. CONSTITUTION: A discharge current measuring unit(30) measures a discharge current of a battery. A battery parameter calculating unit(20) calculates a battery parameter by using an electric equivalent circuit model of a battery. A remaining battery capacity calculating unit(40) calculates an SOC by using the discharge current and the battery parameter. A battery available time estimating unit(50) estimates a remaining battery available time by using the SOC. A display unit(60) displays the remaining battery available time for the user's attention.
Patent KR-20040038047-A (KR)
Title: Electric storage device and method for manufacturing the same
Inventor: JANG DONG HWAN
IPC: H01G11/24
Filed: 2002-10-31
Abstract: PURPOSE: An electric energy storage system and a fabricating method thereof are provided to fabricate slurry having various viscometric characteristics by mixing a binder with activated carbon powders or conductive carbon powders. CONSTITUTION: An electric energy storage system includes an electrode having a binder. The binder includes a compound including activated carbon and conductive carbon and water-soluble chitosan for settling the compound on a current collector. The content of the water-soluble chitosan within the binder is 3 to 10 weight percent to the compound. The water-soluble chitosan has the molecular weight of 5,000 to 10,000. The binder further includes thermosetting resin. The thermosetting resin is formed with one material selected from a group including polyurethane resin, melamine resin, polyester resin, and epoxy resin.
Patent KR-20040038130-A (KR)
Title: A system for monitoring electric power system having a global positioning system receiver
Inventor: CHOO JIN BU
IPC: H02J13/00
Filed: 2002-10-31
Abstract: PURPOSE: A power monitoring system having a position information system receiver is provided to perform a phase angle comparison process and enhance the reliability and the accuracy by using a GPS time synchronization signal. CONSTITUTION: A power monitoring system having a position information system receiver includes a data monitoring/analyzing unit, a data transmitter, a GPS receiver(142), a plurality of data acquisition units(144), a transformer, a current transformer, and a power distribution unit. The data acquisition unit(144) includes a DSP(320), an A/D converter(340), a real-time clock(330), a sample and holder(350), and an anti-aliasing filter(360). The DSP(320) receives time information of the GPS receiver(142) through an RS-232C circuit(310). The A/D converter(340) is used for converting an analog value to a digital value according to a data acquisition command of the DSP. The real-time clock(330) is used for providing correctly the time information to the DSP. The sample and holder(350) is used for receiving the data through the anti-aliasing filter. The anti-aliasing filter(360) is used for preventing a data aliasing phenomenon.
Patent KR-20040038460-A (KR)
Inventor: LEE JONG IK
IPC: F24H1/36
Filed: 2002-11-01
Abstract: PURPOSE: A flue and water tube type boiler is provided to improve heating efficiency and quickly generate hot water. CONSTITUTION: A flue and water tube type boiler(100) is composed of an inner body having a combustion chamber(130a), a heating chamber(130b), and an opening(140) communicating the combustion chamber with the heating chamber; an outer body containing the inner body and having space units(120); and a plurality of minute water pipes(131) passing through the heating chamber and communicated with the space units. A discharge hole(137) and a burner insertion hole(136) pass through the inner and outer bodies. A water inlet, a discharge port, and a water injection port are formed at the outer body.
Patent KR-20040039590-A (KR)
Inventor: JUN SUNG BOUNG
IPC: B44B5/00
Filed: 2002-11-04
Abstract: PURPOSE: An automatic metal printer is provided to display an image in a dot matrix printing type on a hard material such as metal plates by using a method different from a cutting method of a conventional engraving machine. CONSTITUTION: An automatic metal printer includes a working table(10), a saddle(20), and a dotter(30). Herein, the working table(10) has a resting slot(11) formed on both a center and an upper surface of the working table(10). The resting slot(11) receives a material moving in front and rear directions by a ball screw rotated according to driving of a sub motor(M). The saddle(20) is transported in right and left directions by the ball screw(S) rotated according to the sub motor(M). The dotter is installed perpendicularly to the saddle(20). Also, the dotter(30) includes a diamond tip(31) and a solenoid(33). In addition, the automatic metal printer includes a cartridge(41) and a supply unit.
Patent KR-20040039840-A (KR)
Title: nose glasses
Inventor: SHIN SUK KYUN
IPC: G02C5/12
Filed: 2002-11-05
Abstract: PURPOSE: An anti-slide-nose pad of spectacles is provided to prevent spectacles from being slid on a nose by fixing an embossing plate to an insertion groove formed at a predetermined position of a nose pad. CONSTITUTION: An anti-slide-nose pad of spectacles includes an embossing plate(20). A fine embossing(21) and a downward embossing are formed on the upper surface of the embossing plate(20). An insertion groove(11) is formed at a predetermined position of an anti-slide-nose pad(10). The embossing plate(20) is adhered to the insertion groove(11) by using an adhesive. The anti-slide-nose pad(10) having the embossing plate is fixed at a predetermined part of a spectacles frame.
Patent KR-20040040678-A (KR)
Title: Multi carrier transmission system
Inventor: KIM DONG GYU
IPC: H04J1/05
Filed: 2002-11-07
Abstract: PURPOSE: A multi-carrier transmission system is provided to enhance the transmission efficiency of a communication system by reducing a period of time for processing data. CONSTITUTION: A multi-carrier transmission system includes an encoder(110), a first shifter(120), an IFFT(Inverse Fast Fourier Transform) unit(130), a second shifter(140), and an insertion unit(150). The encoder(110) is used for converting transmitting data to sub-carriers. The first shifter(120) is used for shifting phases of the sub-carriers within one frame. The IFFT unit(130) transforms the shifted sub-carriers within a frequency region to a digital data sequence within a time region. The second shifter(140) is used for rearranging the order of the digital data sequence within the time region. The insertion unit(150) inserts a copied part of the rearranged data sequence into a rear part of the rearranged data sequence.
Patent KR-20040040740-A (KR)
Title: Apparatus for supplying a slurry
Inventor: HWANG IN SEOK
IPC: H01L21/304
Filed: 2002-11-07
Abstract: PURPOSE: A slurry supply apparatus is provided to be capable of preventing generation of a pulsation phenomenon in supplying slurry and uniformly supplying the slurry. CONSTITUTION: A slurry supply apparatus(100) is provided with a circulation pipe(110) for circulating slurry, a cylinder(120) connected with the circulation pipe for storing the slurry, and the first piston(124) for dividing the inner portion of the cylinder into the first region connected with the circulation pipe and the second region connected with a supply pipe. At this time, the first piston includes the first through hole for connecting the first region with the second region. The slurry supply apparatus further includes the second piston(126) connected with one side of the first piston for switching the first through hole and a driving part(150) connected with the first and second piston for controlling the first and second piston. Preferably, the first and second piston have the same shape with each other.
Patent KR-20030041847-A (KR)
Title: Pseudo-differential amplifier and analog-to-digital converter using the same
Inventor: KAWAHITO SHOJI
IPC: H03F3/68
Filed: 2002-11-21
Abstract: PURPOSE: To obtain an artificial differential amplifier circuit which can be reduced in power consumption and perform low-voltage operation and an A/D converter which uses the artificial differential amplifier circuit. CONSTITUTION: The artificial differential amplifier circuit 1 is constituted by using two identical amplifiers 2 and 3 which amplify a pair of input signals correspondingly without using any differential pair and such an artificial differential amplifier circuit 1 is used for respective arithmetic circuits 25 of A/D converting circuits AD1 to ADm of a parallel pipeline type A/D converter 10.
Patent KR-20040046335-A (KR)
Title: Method for reproducing multi-path data stream of high density optical disc
Inventor: EOM SEONG HYEON
IPC: G11B27/10
Filed: 2002-11-27
Abstract: PURPOSE: A method for playing a multi-path data stream of a high density optical disc is provided to normally and continuously perform the path change for the multi-path data stream read/played from the high density optical disc in a state that no buffer under run occurs. CONSTITUTION: When the path change for the multi-path data stream read/played from the high density optical disc is requested, it is checked that a capacity of the path data buffered in a device satisfies a preset standard capacity. An operation for jumping to other data path corresponding to a path change request is selectively performed depending on a check result. The standard capacity is previously set to a value occurring no buffer under run during the jump operation to other path.
Patent KR-20040046459-A (KR)
Title: flow route for cooling in condenser for condensing type clothes drier
Inventor: CHOI MU YONG
IPC: D06F58/02
Filed: 2002-11-27
Abstract: PURPOSE: A cooling passage of a condenser for a condensation-type clothing drier is provided to improve heat exchange efficiency of the condenser by forming two suction ports for external air to the front and rear of the drier and minimizing the passage resistance of the external air. CONSTITUTION: A cooling passage of a condenser(40) for a condensation-type clothing drier comprises front and rear suction ports(60a,60b) formed to a body to make external air come in the inside of the drier; the condenser executing heat exchange action with the external air coming in through the front and rear suction ports and with circulation air circulating through the inside of the drier; a cooling fan(80) forcibly sucking the external air exhausted after heat exchange action of the condenser and discharging sucked external air; and a cooling fan duct(70) connecting an external air discharge surface of the condenser and a suction part of the cooling fan.