baber/WOPTO huggingface dataset:
Patent KR-20040021947-A (KR)
Title: Protection apparatus of horizontal output transistor
Inventor: SIM JAE DU
IPC: H04N3/20
Filed: 2002-09-06
Abstract: PURPOSE: An apparatus for protecting a horizontal output transistor is provided to cut power supplied to a flyback transformer when a flyback pulse voltage exceeds a predetermined reference voltage so as to protect the horizontal output transistor. CONSTITUTION: An apparatus for protecting a horizontal output transistor includes a DC-DC controller(104), a horizontal output transistor(108), a coil, a voltage sensor(110), a reference voltage setting part(112), and a muting part(102). The DC-DC controller provides power to a flyback transformer(106). The horizontal output transistor switches the power supplied to the flyback transformer. The coil is combined with the secondary side of the flyback transformer. The voltage sensor senses a voltage induced to the coil. The reference voltage setting part outputs a mute signal when the sensed voltage exceeds a reference voltage. The muting part cuts the power supplied from the DC-DC controller according to the mute signal.
Patent KR-20040024154-A (KR)
Title: High density plasma chemical vapor deposition apparatus for preventing particle from making in semiconductor wafer edge
Inventor: HUH GEUN
IPC: H01L21/205
Filed: 2002-09-13
Abstract: PURPOSE: High density plasma chemical vapor deposition(CVD) equipment capable of controlling generation of particles on the edge of a semiconductor wafer is provided to control a defect on the edge of a semiconductor wafer due to plasma and reaction gas by installing a clamp between the wafer and the plasma so that the clamp overlaps the edge of the wafer. CONSTITUTION: An inner space of a predetermined size is defined by the outer wall(310) of a chamber. The semiconductor wafer(200) is placed on a susceptor(320) in the chamber. A gas supply unit is so disposed to confront the upper surface of the semiconductor wafer. The clamp(360) is so disposed between the plasma on the semiconductor wafer and the semiconductor wafer to overlap the edge of the semiconductor wafer.
Patent KR-20020080320-A (KR)
Inventor: CHO JANG CHEON
IPC: C02F1/58
Filed: 2002-09-27
Abstract: PURPOSE: A method for removing nitrate and nitrite of wastewater using metal composition containing iron scrap and aluminium scrap is provided. CONSTITUTION: The method comprises (a) cleaning iron and aluminium scrap using hydrochloric acid in a reactor; (b) cleaning above iron and aluminium scrap using water; (c) packing iron and aluminium scrap into a reactor; (d) denitrification of wastewater through the reactor packed with iron and aluminium scrap; and (e) adjusting pH of treated water to 6-8. By the method nitrate and nitrite of wastewater is denitrified.
Patent KR-20040029673-A (KR)
Title: Electric pole sticking style integration terminal box that can receive internet and phone
Inventor: HA JONG YEONG
IPC: H01R9/24
Filed: 2002-10-02
Abstract: PURPOSE: An integrated terminal box attached to an electric pole for simultaneously receiving the Internet and telephone services is provided to simultaneously supply a very high speed Internet service and a general telephone service to general residential subscribers by using a UTP(Unshielded Twisted Pairs) cable, thereby supplying the very high speed Internet service at quick data rate to the general subscribers. CONSTITUTION: A protecting housing(11) attached to an electric pole consists of a data equipment installing unit(12) and a connection module installing unit. An optical cable star cluster unit(15) is installed on one end of a data equipment in order to connect a telephone office optical cable(16). A feeder star cluster unit(17) is installed on one end of the data equipment in order to receive power from subscriber facilities or other power supply facilities. An equipment UTP cable(21) connects a connector of the data equipment with a connector of an equipment connection module(13). A UTP cable(19) is connected to a connector(23) of a subscriber connection module(14). A telephone office line connector connects a telephone office line with a wire center for connecting the equipment connection module(13) to the subscriber connection module(14).
Patent KR-20040031153-A (KR)
Title: Semiconductor manufacturing system for thermal process
Inventor: LEE BEOM HUI
IPC: H01L21/68
Filed: 2002-10-04
Abstract: PURPOSE: A semiconductor manufacturing apparatus for heat treatment is provided to be capable of preventing the warpage phenomenon of a semiconductor substrate and reducing the time used for a loading and unloading process of the substrate. CONSTITUTION: A semiconductor manufacturing apparatus is provided with the first substrate loading boat(10) installed at the inner portion of a reaction tube and the second substrate loading boat(20) for supporting a semiconductor substrate. The semiconductor manufacturing apparatus further includes a boat cap(40) for supporting the first and second substrate loading boat from the lower portion, a door plate for supporting the boat cap, and a lift driving part(70) for lifting one out of the first and second substrate loading boat as much as a predetermined distance.
Patent KR-20040032224-A (KR)
Title: Thread bar coating method corrosion prevention and to improve adhesive strength with moltar and Thread bar
Inventor: LEE KWANG YOUNG
IPC: B05D7/14
Filed: 2002-10-08
Abstract: PURPOSE: Provided are a coating process of thread-bar which prevents the erosion and enhances the adhesive force between a thread-bar and a mortar by attaching the fine sand to the surface of a thread-bar, and a thread-bar coated thereby. CONSTITUTION: The coating process of a thread-bar comprises a step(10) for forming a coat by applying the powdery epoxy resin of 0.13 to 0.3 mm in thickness to the surface of the thread-bar in an electro-spray mode; a step(20) for attaching the sand before the applied resin gets hard so as to integrate the fine sand and the epoxy resin; and a step(30) for drying the integrated resin and sand so as to have the sand attached to the epoxy resin perfectly.
Patent KR-20040035358-A (KR)
Title: Control apparatus and method for brushless dc motor
Inventor: LEE GWANG UN
IPC: H02P6/06
Filed: 2002-10-22
Abstract: PURPOSE: An apparatus and a method for controlling a brushless DC motor are provided to supply the compensation voltage during a phase commutation period by detecting a starting point and an ending point of the phase commutation period. CONSTITUTION: An apparatus for controlling a brushless DC motor includes a power conversion unit and a control unit(214). The power conversion unit converts the commercial AC power to the multi-phase AC power. The control unit(214) detects a phase commutation period by using the position information of a rotor and an extinction point of the arc extinction phase current applied to a cathode of the power conversion unit. In addition, the control unit(214) controls the power conversion unit to supply the compensation voltage for maintaining the average voltage of non-commutation phases during the phase commutation period. The power conversion unit includes a converter(204) for converting the commercial AC power to the DC power, an inverter(206) for converting the DC power to the multi-phase AC power, and a DC terminal capacitor(208) for connecting the converter(204) to the inverter(206).
Patent KR-20040036964-A (KR)
Title: Automatic gain control(agc) method for linearization
Inventor: KIM HYEON SU
IPC: H03G3/00
Filed: 2002-10-25
Abstract: PURPOSE: A method for controlling a linearized auto gain is provided to control the output power gain with a small amount of memory as well as to improve the radio frequency(RF) performance. CONSTITUTION: A method for controlling a linearized auto gain includes the steps of: measuring(S10) the reception sensitivity of the received radio frequency(RF) signal; outputting(S30) an auto gain control(AGC) value by using the measured reception sensitivity value and the high order curve fitting coefficient value stored at the memory; and controlling the output power gain of the transmitted and received signals by using the AGC values.
Patent KR-20040041845-A (KR)
Title: Safety device of plate fixing stacks of weight training machine
Inventor: LEE BYUNG DON
IPC: A63B21/062
Filed: 2002-11-12
Abstract: PURPOSE: A safety and locking device of a stack fixing plate of a weight training instrument is provided to prevent a fixing plate inserted into an insert hole of a stack from an external force from falling out from the insert hole and prevent a safety accident which may occur by an exerciser's taking exercise in an idling condition. CONSTITUTION: The device comprises: a safety device(3000) having a push pin(2004) and a stopping pin(2005) arranged orthogonal at both sides of a fixing plate(2000) and having a rotary bar(3100) with a push plate(3101) adjacent to the push pin(2004), with a supporting bar(3106) located at the bottom of a stack(310) at the lowermost side in the lower end of the rotary bar(3100); and a locking device(4000) having upper and lower ring plates fixed to a stopping portion in conjunction with the stopping pin(2005) by upper and lower rings and arranged on a front plate(1100) of a fixing device(1000) adjacent to the stopping pin(2005).
Patent KR-20030040135-A (KR)
Title: Method for producing the metal bath with the metallurgical engineering plant
Inventor: RAMASEDER NORBERT
IPC: C21C5/00
Filed: 2002-11-13
Abstract: PURPOSE: A process for manufacturing steel such as alloy stainless steel and high class steel by refining molten metal is provided. CONSTITUTION: The process comprises the steps of explaining behavior on at least one process variable between actual process variables, control variables and process final variable in a process model, and calculating process variable for a later point of time (t1+dt), mainly process final variable by performing direct simulation through operation engineering at the maximum point of the actual process variables using data in which the actual process variables such as temperature of molten metal and chemical composition of molten metal are increased to a specific time (ti) in the process model; predicting correctional method for changing the actual process variables using the process model through operation engineering if the simulated process variables are deviated from a desired set value, and changing the process variables correspondingly; and repeating the method using data in which the actual process variables are continuously increased at the later point of time (ti+dt).
Patent KR-20040042259-A (KR)
Title: A wig
Inventor: PARK HEE GONG
IPC: A41G3/00
Filed: 2002-11-13
Abstract: PURPOSE: A wig with an improved structure is provided to enable a wig wearer to part hairs of the wig more naturally in any desired direction, and to maintain the hair style for a long time. CONSTITUTION: The wig includes an oval-shaped net plate(1) and hairs(2) planted on the net plate(1). To part the hairs(2) more naturally, a circular arc adhesive plate(3) including a recess(31) where a number of concave and convex parts(311,312) are formed is on the front lower surface of the net plate(1). The concave parts(311) have triangle shapes, while the convex parts(312) have equilateral triangle shapes. Also, meshes on the front net with respect to the circular arch adhesive plate(3) are larger than meshes on the rear net to plant more hairs on the front net, so that hairs look more naturally when they are parted to either side.
Patent KR-20040042492-A (KR)
Title: Transparency design manufacturing process of low reflection-plate glase
Inventor: AHN GWANG HYEON
IPC: C03C17/00
Filed: 2002-11-14
Abstract: PURPOSE: Provided is a method for producing a transparent pattern of a low-reflective glass plate, which is economical, protects workers from harmful environment, dose not pollute environment, and can improve productivity. CONSTITUTION: The method comprises the steps of: screen-printing on the surface of the low-reflective glass plate with a print ink; drying the printed glass plate at about 80-150deg.C or heat-treating the glass plate at 600deg.C or higher without drying to form the transparent print design by heat melt welding. The print ink is a mixture of a transparent ion coloring low temperature frit having a melt welding temperature of 600deg.C or lower and a turpentine oil or a terpene alcohol or ethyl cellulose and optionally an oil color pigment.
Patent KR-20040044022-A (KR)
Title: Method for reproducing repeatedly optical disc in optical disc device
Inventor: LEE GI YEONG
IPC: G11B19/02
Filed: 2002-11-20
Abstract: PURPOSE: A method for repeatedly playing an optical disc on an optical disc device is provided to repeatedly play a preset section of the audio data or the sub title data recorded in various languages on the optical disc. CONSTITUTION: The repeated playback information for the audio data or the sub title data is stored/managed(S12). If a user inputs a disc playback command, the disc playback operation is performed from a position fixed by the user(S12). During the playback of the disc, a microcomputer judges that a repetition playback command is inputted from the user(S13). If the repetition playback command is inputted from the user, a repetition playback operation for the repetition playback section including the current playback position is performed(S14). If the repetition playback operation is performed, it is judged that the audio data or the sub title data recorded in other language is present(S15). If the audio data or the sub title data recorded in other language is present, the playback operation is repeatedly performed for the repetition playback section(S16).
Patent KR-20040046429-A (KR)
Title: Ejecting mechanism of printing media and inkjet printer having the same
Inventor: KANG SEUNG UK
IPC: B41J13/10
Filed: 2002-11-27
Abstract: PURPOSE: A discharging unit for a recording medium and an ink jet printer having the same are provided to simplify a structure of the recording medium discharging unit by allowing a wing supporting a recording paper to be rotated together with a discharge roller. CONSTITUTION: A discharging unit for a recording medium includes a discharge roller(121) and a wing shaft(161). A wing gear(162) is fixedly installed around the wing shaft(161). Plural cylindrical members(163) are rotatably installed around the wing shaft(161). The wing gear(162) is engaged with a gear(121b) of the discharge roller(121). A wing(165) is aligned at one end of a connection part(164) extending from the cylindrical member(163). The wing shaft(161) prevents the recording paper from making contact with the cylindrical member(163).
Patent KR-20040046825-A (KR)
Title: A bipolar plate for fuel cell comprising prominence and depression type gas flow channel
Inventor: CHO EUN AE
IPC: H01M8/02
Filed: 2002-11-28
Abstract: PURPOSE: A separating panel having a gas flow channel with uneven structure for a fuel cell is provided to minimize the gradient in gas concentration in the gas flow channel, and remarkably reduce the pressure drop between the inlet and outlet of the gas flow channel, thereby helping to easily drain the water in the channel, to diffuse the gas into the electrode. The separating panel also has improved efficiency without requiring additional manifolds. CONSTITUTION: The separating panel(11) made of an electroconductive material comprises a plurality of gas flow channels as one group, which are symmetrically positioned having the center of the separating panel as the axis, wherein the gas flow channel is formed to have repetitively protruded-and-receded uneven patterns(13) to each horizontal and vertical axis(15) of the separating panel, and the plurality of gas flow channels are converged, at each end of the inlet and outlet, into one channel being connected to one manifold(14).
Patent KR-20030044847-A (KR)
Title: Ultrasonic diagnostic apparatus
Inventor: YAWATA TSUTOMU
IPC: A61B8/00
Filed: 2002-11-29
Abstract: PURPOSE: To provide ultrasonic diagnostic equipment improving operability by effectively using two displays. CONSTITUTION: At least, two types of display modes are set. In a first display mode, arithmetic control and signal processing means 11 controls video signal processing means 18 to display an ultrasonic diagnostic image based on an ultrasonic reflection signal stored in an image memory 16 on a CRT (cathode-ray tube) device 30 as a monitor display, controls video signal processing means 17 to display an operation display content for operating the ultrasonic diagnosis on LCD (liquid crystal display) device 40, and operates the ultrasonic diagnosis according to the operation content detected by position detecting means of a touch panel 42. In a second display mode, the arithmetic control and signal processing means 11 controls the video signal processing means 18 to display the operation display content for operating the ultrasonic diagnosis on the CRT device 30, controls the video signal processing means 17 to display the ultrasonic diagnostic image based on the ultrasonic reflection signal stored in the image memory 16 on the LCD device 40, and performs a processing, for example zooming, according to the position detecting signal detected by position detecting means of the touch panel 42.
Patent KR-20030055112-A (KR)
IPC: B23P15/00
Filed: 2002-12-11
Abstract: [과제] 내구성이 보다 우수한 회전날개부재 및 그의 제조방법을 제공한다. 
     [해결수단] 인장 잔류응력이 남아있는 임펠러(21)를 통상의 사용회전속도 보다 빠른 회전속도로 회전시킨다. 그리하면 임펠러(21)의 내부의 고응력(高應力)발생부(24)가 원심력(F)에 의하여 소성(塑性)변형된다. 이것에 의해 회전을 정지한 후에는 고응력발생부(24)에 압축잔류응력이 잔류(殘溜)하여 인장(引張)잔류응력이 제거된다. 따라서 고응력발생부(24)에 걸리는 반복인장응력을 경감하여 내구성이 보다 우수한 임펠러(21)를 제공한다.
Patent KR-20040051149-A (KR)
Title: Apparatus for transferring wafer of semiconductor manufacturing device
Inventor: LEE SANG DEOK
IPC: H01L21/68
Filed: 2002-12-12
Abstract: PURPOSE: A wafer transfer apparatus of semiconductor manufacturing equipment is provided to be capable of preventing the warp of a vacuum hose due to deterioration at high temperature for stably carrying out predetermined processes and improving the operating rate of the semiconductor manufacturing equipment. CONSTITUTION: A wafer transfer apparatus of semiconductor manufacturing equipment is provided with a plurality of blade arms, a blade connected with the blade arms, a guide cap(50) for supporting a vacuum hose(40), and the vacuum hose connected to the blade via the guide cap. At this time, the guide gap includes an outlet end portion(51) prolonged to the length direction as much as predetermined length for guiding the vacuum hose to the blade.
Patent KR-20040051364-A (KR)
Inventor: CHO HAN JIN
IPC: G06F11/22
Filed: 2002-12-12
Abstract: PURPOSE: A method for measuring a path code coverage is provided to reduce a delay by inserting an additional code for a coefficient into each graph model after understanding a basic block, as reading a source code of a designed hardware, and converting the basic block into a graph model. CONSTITUTION: A source file of the designed hardware is inputted(101). A modified design source file is generated by inserting the additional code into the source file(103). The path coverage data is obtained through a logical simulation using the modified design source file(106).
Patent KR-20040051847-A (KR)
Title: A ground bait scoop formed a projection and the method thereof
Inventor: KIM JUNG SIK
IPC: A01K97/02
Filed: 2002-12-13
Abstract: PURPOSE: A ground bait scoop having projections and a method for producing the same are provided to easily fall ground bait off from side faces in a scoop part when putting ground bait in the scoop part of the ground bait scoop and throwing the same so that no residual amount of ground bait remains in the inner side face of the scoop part and accurately throw ground bait to a user-desired target position. CONSTITUTION: A plurality of air holes(5) are perforated so as to prevent ground baits from sticking to one another or aggregating between the air holes(5), blocking the air holes(5) and interrupting an air flow. A plurality of projections(6) are protruded between the air holes(5). Cut grooves(8) are formed in a thin lone line shape between projecting lines(7) so as to avoid the residual amount of ground bait from sticking to the front of the inner side face of the scoop part(3) by generating an air flow in the front side of the scoop part(3) upon throwing ground bait. The upper end(9) of the entrance of the scoop part(3) is formed in a round shape outwardly curved so as to easily fall the ground bait contained inside off outwardly of the scoop part(3).
Patent KR-20040052175-A (KR)
Inventor: LEE GEUN SU
IPC: G03F7/09
Filed: 2002-12-14
Abstract: PURPOSE: Tetraisopropyl methylene diphosphonate (TIMD), a photoresist composition containing TIMD, a method for forming a photoresist pattern by using the composition and a semiconductor prepared by the method are provided, to obtain a photoresist composition for VUV having a very low absorptivity to the light of 157 nm. CONSTITUTION: TIMD is used as a light absorption falling agent to the light of wavelength of 200 nm or less. Preferably the wavelength is 157-193 nm. The photoresist composition comprises a base resin; and 0.01-25 wt% of TIMD based on the weight of the base resin. Preferably the base resin is a blend polymer of the poly(norbornene hexafluoroalcohol) represented by the formula 2 and the polymer represented by the formulas 3a and 3b. Preferably the composition is a chemical amplification photoresist composition containing a photoacid generator.
Patent KR-20040054217-A (KR)
Title: Vertical cavity surface emitting laser and method for fabricating the same
Inventor: KWAK GYU SEOP
IPC: H01S5/00
Filed: 2002-12-18
Abstract: PURPOSE: A vertical cavity surface emitting laser and a fabricating method thereof are provided to control oxidization speed of an oxidation layer by forming a mesa trench having a segment structure. CONSTITUTION: A bottom reflection layer(110) is formed on a substrate(100). An active layer(120) is formed on the bottom reflection layer. An insulating region(150) is formed on the active layer. The insulating region includes an aperture to guide the flow of current. A top reflection layer(140) is laminated on the insulating region. A trench is partially formed on the top reflection layer, the active layer, and the bottom reflection layer. The trench has a segment structure to control oxidization speed of an oxidation layer. An insulating layer(160) is formed on the trench. A top electrode(170) is formed on the top reflection layer. A bottom electrode(180) is formed on a bottom of the substrate.
Patent KR-20040054850-A (KR)
Inventor: LEE HYUNG KYU
IPC: G06F3/039
Filed: 2002-12-18
Abstract: PURPOSE: A mouse pad phone is provided to conveniently talk over the telephone in the middle of a work with a computer and a mouse. CONSTITUTION: A main mouse pad(200) has a circuit for executing a telephone function inside, and has a plurality of buttons for a telephone call. A telephone line connecting terminal is connected with the circuit of the main mouse pad, and is connected with an external telephone line. A microphone earphone connecting terminal is installed to be connected with a microphone earphone so that a user talks over the telephone. A sound output connecting terminal is installed to be connected with an external sound apparatus so that the user can hear a sound inputted from the external sound apparatus. A hook button starts or terminates the telephone call.