baber/WOPTO huggingface dataset:
Patent KR-20030093555-A (KR)
Title: Method for fabricating semiconductor device
Inventor: SA SEUNG HUN
IPC: H01L29/78
Filed: 2002-06-03
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of preventing short channel phenomenon and the silicon lattice damage of a semiconductor substrate by improving the heat treatment for forming a buffer oxide layer. CONSTITUTION: A gate electrode(108) is formed at the upper portion of a semiconductor substrate(100). The semiconductor substrate includes a well(106). An LDD(Lightly Doped Drain) ion implantation is carried out at the substrate by using the gate electrode as a mask. The concentration of the well is locally increased by carrying out a tilt ion implantation. A buffer oxide layer(130) is formed by carrying out a high temperature oxidation process at a nitrogen gas atmosphere for enclosing the gate electrode. A silicon nitride layer(132) is formed at the upper portion of the buffer oxide layer.
Patent KR-20020095101-A (KR)
Title: Method of bacteria fermentative products for food containing lactic acid
Inventor: KWON JAE YUN
IPC: A23C9/123
Filed: 2002-06-07
Abstract: PURPOSE: Provided is a method for manufacturing fermentates produced by lactic acid bacteria, which is used for dairy products. The lactic acid bacteria fermentates have high number of lactic acid bacteria, can be stored longer, and is useful for treatment of disease treatment or diabetes. CONSTITUTION: The method for producing fermentates by lactic acid bacteria comprises the steps of: (1) hydrolysis of milk; (2) heating the hydrolysate and filtering or centrifuging the it to obtain the filtrated solution or the supernatant; (3) adding materials for growth of lactic acid bacteria into the filtrate or the supernatant; (4) sterilizing the filtrate or the supernatant to prepare a medium for lactic acid bacteria; (5) inoculating lactic acid bacterium into the medium; and (6) fermenting the medium at 36 to 38 deg. C for 10 to 25 hours, wherein the milk is selected from skim milk, milk and soybean milk; the hydrolysis is carried out by addition of any one selected from amylase, protease and pancreatin into the milk; and the material for growth of lactic acid bacteria is selected from agar, NaCl, yeast extract, peptone, lactose and dextrose.
Patent KR-20030094704-A (KR)
Title: Protector for magnet lifter
Inventor: CHOI BYEONG IK
IPC: B66C1/04
Filed: 2002-06-07
Abstract: PURPOSE: An apparatus for protecting a magnet lifter is provided to facilitate the hooking operation and prevent the attachment of foreign substances at using the lifter. CONSTITUTION: A magnet lifter includes a hook hanger(105), a chain(203) connected to the hook, a fixed supporter(103) fixed at the chain, a fixed plate(102) attached at the supporter, and a split plate fixed to the fixed plate with bolts. The split plate contains coils. A cylindrical guide(301) with protrusions passes through the fixed supporter and the plate. A main operator(205) is inserted into the guide and moves up/down with respect to the protrusions of the guide. A plurality of operating supporters(410) lift up/down with connecting to the fixed plate. An operating rod(404) seesaws to one point on the fixed plate.
Patent KR-20030095451-A (KR)
Title: An output buffer circuit
Inventor: LEE GYEONG HA
IPC: G11B7/10
Filed: 2002-06-10
Abstract: PURPOSE: An output buffer circuit is provided to prevent the generation of reading error or speed delay at a low temperature or a low voltage and minimize the power consumption. CONSTITUTION: An output buffer circuit includes pull-up/pull-down control parts(202,204), step-up/step-down boost blocks(206,208), and pull-up/pull-down control parts(210,212). As an output enable signal(poe) becomes high and enabled, the output buffer circuit becomes enabled. If the output enable signal becomes enabled and an input data signal(din) is high, the pull-up control part enables a pull-up driving signal(pup). If the output enable signal becomes enabled and the input data signal is low, the pull-down control part enables a pull-down driving signal(pdn). As the output enable signal becomes enabled, the step-up boost block steps up an external power supply(Vcc) for a predetermined time period to generate and supply an internal power voltage(IVCC) to the pull-up driving part. As the output enable signal becomes enabled, the step-down boost block steps down an external earth voltage(Vss) for a predetermined time period to generate and supply an internal earth voltage(IVSS) to the pull-down driving part. As the pull-up driving signal becomes enabled by the pull-up control part, the pull-up driving part outputs the internal power voltage via an output terminal(dout). As the pull-down driving signal becomes enabled by the pull-down control part, the pull-down driving part outputs the internal earth voltage via the output terminal.
Patent KR-20030011252-A (KR)
Title: Semiconductor memory device and information device
Inventor: FUKUI HARUYASU
IPC: G11C16/02
Filed: 2002-06-28
Abstract: PURPOSE: To realize diversification of expression of a status register. CONSTITUTION: This device has a first status register 202 and a second status register 203, and a status register selecting circuit 204 for selecting one status register out of the first status register 202 and the second status register 203 in accordance with an input command.
Patent KR-20040003648-A (KR)
Title: Method for forming of mos transistor
Inventor: JUN JAE GYU
IPC: H01L29/78
Filed: 2002-07-03
Abstract: PURPOSE: A method for forming a MOS transistor is provided to improve short channel effect by using a recessed source junction. CONSTITUTION: A gate oxide layer(11), a conductive layer(12) and a capping layer(13) are sequentially formed on a semiconductor substrate(10). A gate is formed by patterning the capping layer, the conductive layer and the gate oxide layer. A source formation region is selectively etched. An LDD region(17) is formed in the substrate. After a spacer(16) is formed at both sidewalls of the gate, a recessed source and drain region are formed by using the spacer as a mask.
Patent KR-20030007073-A (KR)
Title: Coupling device between car doors and landing doors of an elevator, actuated by a motor which is independent of the drive motor of the doors
Inventor: BADAOUI AMINE
IPC: B66B13/12
Filed: 2002-07-09
Abstract: PURPOSE: A coupling device between a car door and a landing door, actuated by a motor independent of a drive motor of an elevator is provided to use two different motors for opening and closing the coupling device and for moving the doors. CONSTITUTION: A coupling device between a car door(22) and a landing door of an elevator has two vertical structure sections(12,14) connected by upper and lower jointed connecting units(16,18). The vertical structure sections have L-shaped sections mounted to the car door. The coupling device includes a first DC-electric motor(66) to move the structure sections towards or away from each other at low speed; a movement transmission mechanism acting on the connecting units in a way of moving the structure sections towards or away from each other and converting a rotary motion of a shaft(72) of a first motor into a motion of an extending and contracting longitudinal direction; a mechanism including transmission unit driven by a second DC-electric motor, to move doors at faster speed; and a stiffness fastener connecting one side of a belt to the car door.
Patent KR-20040006301-A (KR)
Title: a method for engine controling in vehicle
Inventor: LIM HONG YEOL
IPC: F02P5/145
Filed: 2002-07-11
Abstract: PURPOSE: A method for controlling an engine for a vehicle is provided to prevent acceleration shock and indecisiveness of the vehicle having a manual transmission mounted thereto during acceleration by accurately calculating gear ratio depending on RPM of the engine compared to driving speed of the vehicle. CONSTITUTION: A method includes the steps of: a step(S110) in which an engine control unit receives information from a vehicle working status detecting unit to determine whether the vehicle is running; a step(S120) in which the engine control unit calculating gear ratio of a manual transmission depending on change of RPM of an engine and car speed, and calculating rate of change of engine RPM depending on operation of an acceleration pedal for each of TDC(Top Dead Center); a step(S130) in which the engine control unit determines whether the rate of change of the engine RPM is larger than first set reference value; a step(S140) in which the engine control unit determines ignition advance delay depending on change of driving speed to output corresponding control signal if the rate of change of the engine RPM is larger than the first set reference value; a step(S150) calculating the ignition advance delay following gear step of the last time to control output torque of the engine if the change of car speed exceeds second set reference car speed; and a step(S160) calculating ignition advance delay following updated gear step to control output torque of the engine if the change of the car speed is lower than the second set reference car speed.
Patent KR-20030007123-A (KR)
Title: Overcurrent protection circuit for voltage regulator
Inventor: FUKUI ATSUO
IPC: H02H7/20
Filed: 2002-07-11
Abstract: PURPOSE: To provide a voltage regulator capable of preventing the abnormal operation of an over current protecting circuit. CONSTITUTION: The operating states of a PMOS output driver transistor and a first PMOS sense transistor are always made the same, and the rate of currents made to flow through those transistors are set so as to be transistor size rate so that a drop of an output voltage due to the abnormal operation of an over current protecting circuit when a difference between an input voltage VIN and an output voltage VOUT is small and the inaccuracy of load currents where the over current protecting circuit operates due to the influence of channel length modulation when the difference between the input voltage VIN and the output voltage VOUT is large can be prevented.
Patent KR-20030007129-A (KR)
Title: Dielectric porcelain
Inventor: MATSUMIYA MASAHIKO
IPC: C01G35/00
Filed: 2002-07-11
Abstract: PURPOSE: Provided is a dielectric ceramic material exhibiting dielectric characteristics including a small dielectric loss and a small absolute value of temperature coefficient of resonance frequency. CONSTITUTION: The dielectric ceramic material is characterized by comprising Ba, Nb, and Ta; at least one of Zn and Co; and at least one species selected from K, Na, and Li. The ceramic material is represented by the following compositional formula: (100-a)£Bau{(ZnvCo1-v)wNbx}O delta 1|-a£MyTazO delta 2| in which M is at least one species selected from K, Na, and Li and the following relationships are satisfied simultaneously: 0.5 ≤ a ≤ 25; 0.98 ≤ u ≤ 1.03; 0 ≤ v ≤ 1; 0.274 ≤ w ≤ 0.374; 0.646 ≤ x ≤ 0.696; 0.5 ≤ y ≤ 2.5; and 0.8 ≤ z ≤ 1.2.
Patent KR-20040008471-A (KR)
Title: Method for manufacturing a metal line of semiconductor device
Inventor: CHO YONG TAE
IPC: H01L21/28
Filed: 2002-07-18
Abstract: PURPOSE: A method for forming a metal line of a semiconductor device is provided to be capable of preventing the short between an upper metal line and a lower metal line. CONSTITUTION: The first interlayer dielectric(33), a conductive layer(35), a metal layer(37), and a hard mask layer(39) are sequentially formed at the upper portion of a substrate(31). A lower metal line is formed by selectively etching the resultant structure by using a metal line mask. At this time, the lower metal line has a side notch profile at the metal layer. An insulating spacer(43) is formed at both sidewalls of the lower metal line. After the second interlayer dielectric(45) is formed on the entire surface of the resultant structure, an etching process is carried out at the second interlayer dielectric for forming a contact hole. Then, a plug(47) is formed at the inner portion of the contact hole.
Patent KR-20040011085-A (KR)
Title: Refrigerator system and upgrade methode the same
Inventor: AHN GYU HWAN
IPC: F25D23/00
Filed: 2002-07-27
Abstract: PURPOSE: A refrigerator system and a method for upgrading the same are provided to be connected with an outside network, and to allow building of a home network and easy upgrade by having a network module connectable to both of a cable network and a radio network. CONSTITUTION: A refrigerator system includes an access station(12) placed in a refrigerator main body(10) to allow radio connection of outside equipments to the Internet; a home network control module(18) placed in the refrigerator main body, and including a radio interface for radio connection with the access station, a home network interface for connection with a home network built by a plurality of electronic equipments outside of the refrigerator main body, and a home network control part supplying the radio interface with data on state of the electronic equipments collected through the home network interface; and a radio terminal separated from the refrigerator main body, connected with the radio interface of the home network control module by radio through the access station of the refrigerator main body, and displaying data on state of the electronic equipments supplied through the radio interface.
Patent KR-20030076160-A (KR)
IPC: H01R13/00
Filed: 2002-08-02
Abstract: 본 발명의 접촉자 및 이것을 이용한 전기적 접속장치는 돌기전극에 확실하게 접촉하면서도 용이하게 제조하기 위한 것이다. 접촉자는 개구를 갖는 베이스와, 상기 베이스에서 개구 내로 연장하는 1 이상의 접촉편을 포함하고, 접촉편은 돌기전극의 외주의 최소한 일부에 접촉하도록 개구의 중심쪽으로 향하는 접촉연부를 갖춘다.
Patent KR-20020067907-A (KR)
Inventor: JUN JU HYEON
IPC: B32B15/08
Filed: 2002-08-05
Abstract: PURPOSE: Provided is a health mat and floor with generating anion which generates anion in large quantities by tourmaline so that it promotes blood circulation, breaks water vein or electronic waves and generates far-infrared ray. CONSTITUTION: The health mat and floor with generating anion comprises the parts of an external cover layer(1,7) which is made from a plastic film or weaved raw yarn; a metal exclusion sheet layer for breaking water vein or electronic waves(3) which is made of one layer from a copper sheet layer or an aluminium sheet layer; an exclusion raw yarn(4) and a silicone electric wire(5) which treat water vein and materials for breaking electronic waves; and a discharge layer for anion(2,6) which discharges a large quantity of anion and far-infrared ray at the same time and gets sterilizing disinfection effect.
Patent KR-20030014141-A (KR)
Inventor: SCHERBARTH STEFAN
IPC: B23C5/20
Filed: 2002-08-08
Abstract: PURPOSE: A cutting bit for milling and a milling tool are provided to improve productivity by having cutting edges replaceable by rotation, and to operate at high speed even in a weak machine apparatus by improving the actuating force. CONSTITUTION: In a cutting bit for milling, an upper face(2) and a lower face(3) are interconnected by extended edge surfaces(4,4'). The upper face is in a hexagonal shape and the upper face intersects with the edge surfaces bordering a cutting edge(5). In the edge surfaces of the area adjacent to the cutting edge, six surfaces form an angle of 60 degrees. The upper face comprises a flat face formed of a partially rake face. The lower support face is substantially flat. The upper face, having the edge faces adjacent to the cutting edge going with a face of the hexagon substantially, forms parallel areas(7) extending along faces of the hexagon. The cutting bit for milling has a pair of contact faces defined as a flank forming an angle of 60 degrees each other.
Patent KR-20040015628-A (KR)
Title: A flashlight
Inventor: KWAK JEONG KUK
IPC: F21L4/00
Filed: 2002-08-13
Abstract: PURPOSE: A flashlamp is provided to prevent the tremble of a bulb case by inserting a plurality of LEDs(Light Emitting Diodes) into a circular substrate to integrate them onto a single body. CONSTITUTION: A bulb is interposed between a head and a metal case. The bulb is comprised of a plurality of LEDs(51). One end of each of the plurality of LEDs(51) is commonly coupled to first and third soldering lines(A,C) of a substrate(53). The other end of each of the plurality of LEDs(51) is commonly coupled to second and fourth soldering lines(B,D) within an internal side of the substrate(53). With these structures, a bulb case(50) is formed. A positive terminal(52) is protrude-formed on the center of the respective second and fourth soldering lines(B,D). A circular ring is installed on the first soldering line(A) that is coupled to the third soldering line(C).
Patent KR-20040017894-A (KR)
Title: Silicon carbide back-to-back Schottky barrier diode structure
Inventor: BANG UK
IPC: H01L29/47
Filed: 2002-08-22
Abstract: PURPOSE: A silicon carbide back to back Schottky barrier diode structure is provided to be capable of easily embodying a high breakdown voltage and enduring surge current. CONSTITUTION: A silicon carbide back to back Schottky barrier diode structure is provided with a silicon carbide mono-crystal substrate(500) and an upper and lower silicon carbide epitaxial layer(501,502) formed at the upper and lower portion of the silicon carbide mono-crystal substrate for controlling a breakdown voltage. The silicon carbide back to back Schottky barrier diode structure further includes an upper and lower Schottky metal junction layer(503,504) formed on the predetermined surfaces of the upper and lower epitaxial layer for being used as an electrode.
Patent KR-20030019117-A (KR)
Title: Link for watch bracelet
Inventor: CHRISTOPHE GUERRY
IPC: A44C5/14
Filed: 2002-08-27
Abstract: PURPOSE: Provided is a link for connecting a bracelet to a case of a watch having an exterior or decorative element which defines at least partially its limits in the longitudinal direction of the bracelet. CONSTITUTION: The link(1) for connecting a bracelet to a watch case(22) includes a first hollow element(2) provided with a first means for attaching it to the bracelet; a second element(9) disposed in the first element and second means(12,13) for attaching the second element to the watch case; and a third exterior decorative element(18) fixed on the first element(2) and at least partially covering the second element(9) on the side of the second attaching means. The link also includes a mechanical device allowing a translation of the first element with respect to the second element in the direction of the bracelet, so as to apply the decorative element against the decorative element of the watch case.
Patent KR-20040020583-A (KR)
Title: Device for indicating mounted and charged state of battery mounted on charger and thereof
Inventor: HWANG SEON UNG
IPC: H04B1/40
Filed: 2002-08-31
Abstract: PURPOSE: An apparatus and method for displaying a battery mounting state in a charger and a battery charging state are provided to allow a terminal user to easily know a state of a battery mounted in a charger and a battery charging state by using a communication terminal. CONSTITUTION: When a battery is mounted in a desk charger(102), a terminal controller controls a terminal light emitting unit to display a battery mounting state as a light(104). The terminal controller controls an alarm driving unit to drive a battery mounting alarm to inform the battery mounting state(106). The terminal controller controls a display unit to display the battery mounting state as a text or a picture(108). The terminal controller detects a voltage or a current flowing in the battery(110). The terminal controller checks whether the battery has been completely charged(112). The terminal controller controls the terminal light emitting unit to display a charging completion state of the battery as a light(114). The terminal controller controls the alarm driving unit to drive a battery charging completion alarm to inform the charging completion state of the battery(116). The terminal controller controls the display unit to display the charging completion state of the battery as a text or a picture(118).
Patent KR-20040023440-A (KR)
Title: Frequency error detector and frequency error combiner for receiver in a mobile communication system
Inventor: AHN WON IK
IPC: H04B1/707
Filed: 2002-09-11
Abstract: PURPOSE: A frequency error detector and frequency error combiner in the receiving block of a UMTS(Universal Mobile Telecommunication System) is provided to present a frequency error detector and frequency error combiner hardly influenced by fading. CONSTITUTION: An AFC(Automatic Frequency Control) in a UE(User Equipment) of a UMTS comprises an analog part(100) and a digital part(200). The digital part(200) is comprised of despreading parts(202,220), integrate and dump parts(204,224), antenna pattern cancellation parts(206,226), 2-symbol accumulators(208,228), a frequency error detector and frequency error combiner(210), a frequency multiplier(212), a loop filter(214), a D/A converter(216), and a local oscillator(118). The despreading parts(202,220) multiply the data, spread using a channelization code at the transmitting block of a base station, by the same code. The integrate and dump parts(204,224) integrate and dump the output of the despreading parts(202,220) during appointed intervals. The antenna pattern cancellation parts(206,226) remove antenna patterns from the signals outputted from the integrate and dump parts(204,224). The 2-symbol accumulators(208,228) accumulate the despread data for a specific time and output the accumulated data. The frequency error detector and frequency error combiner(210) determines a frequency offset value by the values supplied from the 2-symbol accumulators(208,228) and outputs a frequency offset detection value. The loop filter(214) filters and outputs the frequency offset detection value. The D/A converter(216) converts the digital frequency offset detection value, provided from the loop filter(214), into an analog signal and outputs it to the local oscillator(118).
Patent KR-20040024648-A (KR)
Title: Radio Transceiving Unit Having Battery Saving Function
Inventor: KIM GIL JAE
IPC: H04B1/40
Filed: 2002-09-16
Abstract: PURPOSE: A radio transmitter/receiver unit is provided to reduce a battery power consumption by maintaining the wake-up state for a time period shorter than the time period of the sleep state. CONSTITUTION: A radio transmitter/receiver unit comprises a first micro processor unit(101) maintained at a sleep state; a second micro processor unit(102) connected to the first micro processor unit, and repeatedly maintained at a sleep state and a wake-up state; a wave receiving unit(200) for receiving waves applied from an external source; and a wave transmitting unit(150) for transmitting waves to the external source. The second micro processor turns on the wave receiving unit at a wake-up state, permits the first micro processor unit to be turned to a wake-up state when waves are received through the wave receiving unit, and turns off the wave receiving unit when waves are not received through the wave receiving unit. The first micro processor unit transmits waves through the wave transmitting unit at a wake-up state.
Patent KR-20030035868-A (KR)
Title: Zoom lens and camera with zoom lens
Inventor: HOSHI KOJI
IPC: G02B15/173
Filed: 2002-09-27
Abstract: PURPOSE: To obtain a zoom lens having high optical performance despite its simple configuration by making the entire lens system small and to provide optical equipment having the zoom lens. CONSTITUTION: This zoom lens consists, from the object side, of a static first lens group with positive refracting power for zooming, a second lens group with negative refracting power and movable on the optical axis for zooming, a static third lens group with positive refracting power for zooming, and a fourth lens group with positive refracting power and movable on the optical axis for zooming. The first lens group consists of one positive lens and one negative lens from the object side, and the fourth lens group is composed of one positive lens.