baber/WOPTO huggingface dataset:
Patent KR-20040089335-A (KR)
Inventor: BORISOVICH TEN EDIS
IPC: B22D7/04
Filed: 2003-04-11
Abstract: PURPOSE: To improve production efficiency and obtain hollow billet having homogeneous micro-structure by fabricating the hollow billet without extrusion process and fabricating the hollow billet without additional processes such as rotation of centrifugal casting. CONSTITUTION: The device comprises a molten metal supply part(10); a receiving and molding part(20) comprising a molten metal inflow port(22) connected to the molten metal supply part so that molten metal supplied from the molten metal supply part flows in the receiving and molding part through the molten metal inflow port, a low wall part(21) for supporting the molten metal flown in the receiving and molding part from a lower side thereof, a side wall part arranged in such a way that the side wall part is erected along the edge part the low wall part, and a cylindrical hollow receiving part which is formed in a central region of the receiving and molding part by the low wall part and the side wall part to contain molten metal flown in, and an upper part of which is opened; and a cooling part(30) for cooling the side wall part to form a hollow pipe shaped solidified cast body having certain thickness from the side wall part to the center of the receiving and molding part by cooling molten metal contacted with the side wall part.
Patent KR-20030038598-A (KR)
Inventor: JUNG HAE SANG
IPC: H05B33/10
Filed: 2003-04-15
Abstract: PURPOSE: A fine pitch stencil fabrication method is provided to reduce a shadow phenomenon by minimizing a hole size, an interval between holes, an hole integration and a stencil thickness and to coat an organic material uniformly. CONSTITUTION: A fine pitch stencil fabrication method comprises a step of half-etching a use portion on a fine pitch stencil to minimize a thickness of the fine pitch stencil and a step of processing a resultant structure using a laser. The fine pitch stencil fabrication method comprises a step of cutting a use portion of the first thin plate, a step of joining a cut portion with the second thin plate and a step of processing the use portion using a laser. The fine pitch stencil fabrication method comprises a step of processing the first metal thin plate using a laser and a step of coating the remaining portion except the use portion.
Patent KR-20040090131-A (KR)
Inventor: CHOI SEONG O
IPC: F25B40/00
Filed: 2003-04-16
Abstract: PURPOSE: A heat exchanging apparatus for supercooling of a multi-air conditioner system is provided to prevent a flow noise of a refrigerant passing through an expansion valve by cooling two-phase refrigerant generated due to loss of a pressure according to an installation distance of a high-pressure liquid pipe. CONSTITUTION: A header part(20) distributing a refrigerant compressed from an outdoor unit(10) to a plurality of indoor units(31) includes a supercooler(24). The supercooler has a cylindrical heat exchanging container communicated with a low-pressure gas pipe(22) to make a liquid refrigerant of high pressure exchange heat with gas refrigerant of low pressure discharged from outdoor heat exchangers(14). A high-pressure liquid pipe(21) is combined with the inside of the heat exchanging container to exchange heat.
Patent KR-20040090241-A (KR)
Inventor: POLVILAMPI JANNE
IPC: B66F9/08
Filed: 2003-04-17
Abstract: PURPOSE: A truck mast is provided to reduce a driver's blind spot by installing a cylinder liner in a mast structure, to simplify the mechanism by reducing the number of parts, and to secure an integral beam with favorable strength/weight ratio. CONSTITUTION: In two or multiple-stage mast hydraulic cylinder devices for a truck mast, a fixed mast assembly has vertical beams(4,5). A cylinder liner(29) supplies an integral structure. The cylinder linear is formed by a channel combined in the beams. The mass center of the integral structure is positioned in or near the cylinder liner. The integral structure is produced by hot-extrusion or cold-drawing. One side of the integral structure is formed as a bearing surface(16) and the other side is formed as a supporting surface(17). The surfaces comprise a first flange(13) disposed on a plane crossing the operation direction of a truck and at least one second flange for positioning the center of mass in or near the center of the cylinder liner.
Patent KR-20030040299-A (KR)
Title: Dirt rubbing towel structure
Inventor: JUNG WOONG SUK
IPC: A47K7/02
Filed: 2003-04-18
Abstract: PURPOSE: A dirt rubbing towel structure is provided to rub off dirts on the body and allow women or children with tender skin to use the towel safely without damage to the skin. CONSTITUTION: A viscose fabric(10) with a rough surface cut to a length twice as much as the length and width of a hand and a micro-fiber fabric(20) which is soft but rubs dirts well are laid over one upon another. The laid-over fabrics are folded to equal parts and the both opposite ends are sewn, thereby forming a first sewn portion(30). The first sewn portion(30) is positioned inward to thus form a second sewn portion(31) and form a pocket shape.
Patent KR-20030040330-A (KR)
Inventor: LEE JAE EUN
IPC: H04J11/00
Filed: 2003-04-24
Abstract: PURPOSE: A method and a device for effectively reducing a PAPR(Peak-to-Average Power Ratio) of OFDM(Orthogonal Frequency Division Multiplexing) communication signals by additionally using a specific dummy sequence are provided to adopt DSI(Dummy Sequence Insertion), so as to efficiently reduce a high PAPR caused by the use of multiple carriers. Accordingly, power efficiency of an HPA(High-Power Amplifier) is enhanced and nonlinear distortion is prevented. CONSTITUTION: Parallel data delivered from a serial-to-parallel converter that converts sequentially inputted data into the parallel data are stored and a dummy sequence is inserted thereto, then the parallel data are delivered to an IFFT(Inverse Fast Fourier Transform) part. If a signal for reducing a PAPR is delivered from a PAPR comparator, a DSI part selects another dummy sequence in the parallel data and delivers the selected dummy sequence to the IFFT part. The DSI part inserts a dummy sequence in data according to sequence types. The data delivered from the DSI part are IFFTed by receiving annexed information and divided data as inputs. The data delivered from the IFFT part are converted into serial data. A PAPR for the data delivered from a parallel-to-serial converter is measured and compared with a PAPR threshold. According to compared results, the data are transmitted to a receiver or feedback to the DSI part is performed to apply another sequence and deliver a signal for reducing the PAPR.
Patent KR-20030086914-A (KR)
Inventor: DING HAO
IPC: C07B61/00
Filed: 2003-04-30
Abstract: This invention relates to improved catalytic compositions suited for use in hydrogenation processes and to an improved process for hydrogenating organic compounds as in amination of alcohols or hydrogenation of nitro groups to the amine using the catalyst. The catalytic composition is more particularly an improvement in nickel catalysts promoted with palladium carried on a support. The improvement resides in including a promoting effect of a metal M and/or its oxide, selected from Zn, Cd, Cu, and Ag, typically from about 0.01 to 10% by weight of the support.
Patent KR-20040093909-A (KR)
Inventor: LEE WON HO
IPC: H01L27/146
Filed: 2003-04-30
Abstract: PURPOSE: A unit pixel of a CMOS image sensor is provided to extend dynamic range of a drive transistor by using a feedback transistor for applying a feedback path from a source to a gate of the drive transistor. CONSTITUTION: A unit pixel(100) comprises a photodiode(PD), a drive transistor(MD), a select transistor(MS) connected to a source of the drive transistor for applying electrical signal from the drive transistor to an output node, a reset transistor(MR) connected between the drive transistor and the photodiode for resetting the charge of the photodiode, and a feedback transistor(MF). In the drive transistor, a gate inputs charges stored in the photodiode and a power voltage applies to a drain. The feedback unit provides a feedback path from the source of the drive transistor to the gate of the drive transistor.
Patent KR-20030086930-A (KR)
Title: 인버터 제어장치
IPC: H05B41/392
Filed: 2003-05-06
Abstract: 본 발명은 두 개 또는 그 이상의 입력 신호를 입력받도록 구성된 적어도 하나의 입력 핀을 포함하는 인버터 제어장치 집적회로에 관한 것이다. 상기 입력 핀은 멀티플렉싱되고, 그 결과 적절한 입력 신호가 제어장치의 두 개 또는 그 이상의 기능을 지원하도록 상기 제어장치 내의 적절한 회로로 전달된다. 또한, 하나의 핀이 두 개 또는 그 이상의 기능을 지원할 수 있도록 상기 입력 신호는 서로 다른 주기 동안 존재할 수 있다. 다기능적이거나 다중작업적인 핀들은 인버터 제어장치의 전체 핀 계수를 감소시킨다.
Patent KR-20040097795-A (KR)
Inventor: KIM BO HYEON
IPC: F24C3/10
Filed: 2003-05-13
Abstract: PURPOSE: Ignition structure of a gas oven is provided to ignite securely without failure by enlarging the are of the ignition target and temporarily collecting gas injected through the gas penetration holes with the ignition target. CONSTITUTION: An ignition system of a gas oven is composed of a burner(66) having plural gas penetration holes(92) and heating food by burning gas injected through the gas penetration holes; a burner holder(90) supporting the burner; an ignition plug(94) installed in the burner holder to generate spark by applying power; and an ignition target(96) spaced from the ignition plug to contain spark from the end of the ignition plug. The ignition target is composed of an installation part mounted in the burner holder and a collecting part extended from the installation part and formed to be larger than the installation part, and integrally formed with the burner holder.
Patent KR-20040098481-A (KR)
Inventor: CHO NAM HYO
IPC: C02F1/74
Filed: 2003-05-15
Abstract: PURPOSE: To increase rotary force and horizontal-moving speed of bubbles by improving an exit, where air is discharged, thereby increasing oxygen transmission efficiency. CONSTITUTION: The diffuser comprises an inlet where air is flown, a chamber (14) where the air flown in through the inlet generates vortex and acoustic resonance, a guide (17) installed on the center portion of the lower side of the chamber, having a circular cross-section of outer circumference thereof with increasing diameter toward the upper part and allowing rotation of the air flown in through the inlet to be smooth and a ring-shaped exit (16) where the air vortex obtains acoustic energy from the chamber and then is supplied to underwater.
Patent KR-20040098892-A (KR)
Inventor: CANG DONG BOK
IPC: H01L21/68
Filed: 2003-05-16
Abstract: PURPOSE: A cassette loading apparatus is provided to selectively load a dummy wafer by installing a dummy wafer slot with a loaded dummy wafer in a loading chamber of a swing bracket or settling a dummy wafer cassette with a loaded dummy wafer in a cassette carrier. CONSTITUTION: A separation plate(4) is fixed to a swing plate of a swing bracket(10) wherein a mounting piece is formed under both sides of the separation plate while protruding to the outside. A cassette settling part(2) is fixed to the swing plate together with the separation plate by forming the mounting piece(7) at both ends of the inside of the cassette carrier(5) as one body with the cassette carrier. A dummy wafer slot(50) is detachably mounted on the inner surface of the swing plate in the swing bracket. A stop block(14) with a stop surface(15) is formed as one body in the inner surface of each side support plate(12) formed at both sides of the swing plate. Stopper mounting surfaces are formed in the end of a side surface plate at both surfaces of a plate of an inner bracket(20) installed in the swing bracket to fix a buffer stopper(29). In an outer bracket(30) installed outside the inner bracket, a coupling piece(32) with a hinge ring(33) is formed in the rear part of both sides of a setting plate(31) having a hole, and a clamp is installed in the upper side of a hinge ring(33) axially coupled to a hinge ring(23) of the inner bracket.
Patent KR-20040101614-A (KR)
Inventor: JUNG JONG CHEOL
IPC: D01F6/50
Filed: 2003-05-26
Abstract: PURPOSE: A manufacturing method of high strength polyvinyl alcohol fiber is capable of substituting and removing completely an organic solvent to manufacture undrawn yarn having a gel network structure and orienting a molecular chain of the undrawn yarn in a direction of a drawing axis. CONSTITUTION: High strength polyvinyl alcohol fiber is obtained by the steps of: dissolving polyvinyl alcohol into an organic solvent to manufacture a spinning dope; spinning the dope into air; coagulating fiber into a coagulating bath(3) containing a coagulating solution(3a) flowing in the same direction as a fiber axis direction to manufacture undrawn yarn; drawing the undrawn yarn in a ratio of over 15 times; and then winding the fiber. Degree of polymerization of the polyvinyl alcohol is 1000-9000. Concentration of the spinning dope is 10-20wt.%.
Patent KR-20040103029-A (KR)
Inventor: SIM EUN A
IPC: H04B7/26
Filed: 2003-05-30
Abstract: PURPOSE: A method for transmitting a message in a mobile communication terminal is provided to nurse wireless resources and improve the convenience of a user by outputting a reason why it is impossible to transmit a message while not transmitting a message, to a transmitting terminal or outputting a message, informing that an answer message can not arrive although transmitting a message, to the transmitting terminal, in the case that the limitation on receipt or limitation on origination is set. CONSTITUTION: A network receiving a short message transmitted from a transmitting terminal checks a transmission/receipt possible state of a receiving terminal through HLR(Home Location Register)/VLR(Visitor Location Register). If a transmission/receipt function of the receiving terminal is limited, the network transmits an error message including error information to the transmitting terminal. The transmitting terminal displays a guide message corresponding to the error information.
Patent KR-20040108477-A (KR)
Inventor: BAEK WOO IN
IPC: A61M5/178
Filed: 2003-06-17
Abstract: PURPOSE: A disposable safety syringe is provided to completely seal a coupling part of an injection needle fixing member with an injection needle fixed thereto by using an adapter tube rather than an O-ring when coupling the injection needle fixing member to an injection fluid discharge portion of a cylinder. CONSTITUTION: An adapter tube(105) is inserted into an inner diameter part of an injection fluid discharge portion(102), which is formed on the cylinder(101), forward through a hollow part in a cylinder(101) to expose parts of the front side of the adapter tube to the outside. An insert projection(105a) is formed along the circumference on the part adjacent to the injection fluid discharge portion of the outer diameter part of the adapter tube. An injection needle fixing member(106) with an injection needle(107) fixed to the front end is inserted into an externally exposed part, which is the front side of the adapter tube. A tapered stopping projection(111a) whose diameter becomes smaller as going backward is formed at the tip end of a pressure piece. A pair of elastic projections(110b) is formed at a proper place of the outer side of the pressure piece.
Patent KR-20050008920-A (KR)
Inventor: KIM DAE JOONG
IPC: C23C8/26
Filed: 2003-07-14
Abstract: PURPOSE: To optimize a process of gas nitriding steel that contains 0.15 to 0.42 wt.% of carbon(C), 1.0 to 2.25 wt.% of chromium(Cr), 0.4 to 1.05 wt.% of molybdenum(Mo), 0.0 to 0.65 wt.% of manganese(Mn), 0 to 0.22 wt.% of vanadium(V), 0.0 to 0.5 wt.% of silicon(Si) and 0.0 to 1.08 wt.% of aluminum(Al) and is used for valves for steam turbine. CONSTITUTION: The gas nitriding method of steel comprises a step(a) of charging an ammonia gas into a nitriding furnace until a ratio of ammonia gas becomes 98% in the nitriding furnace; a step(b) of increasing temperature of the furnace to 480 deg.C at a maximum heating rate of 100 deg.C/hr while injecting ammonia gas into the furnace at a flow rate of 4 m¬3/hr; a step(c) of rapidly heating the product to 530 deg.C within 1 hour while increasing an ammonia flow rate to 4.5 m¬3/hr if temperature of a product reaches 480 deg.C; a step(d) of maintaining the product for 1 hour while adjusting an amount of ammonia gas flown in the furnace such that a decomposition ratio of ammonia gas is maintained between 25% and 35% if temperature of the product reaches 530 deg.C; a step(e) of rapidly heating temperature of the product to 555 deg.C within 1 hour, and adjusting an amount of ammonia gas flown in the furnace such that a decomposition ratio of ammonia gas is maintained between 60% and 80% if temperature of the product reaches 550 deg.C; a step(f) of maintaining the product at 555 deg.C for 23 to 30 hours in the state that a decomposition ratio of ammonia gas is maintained in a range of 60 to 80%; a step(g) of stopping supply of ammonia gas, starting supply of nitrogen gas into the furnace, and cooling the product to 500 deg.C by cooling the product at a cooling rate of 75 deg.C/hr; a step(h) of turning off a heater, and cooling the nitriding furnace to 100 deg.C at a cooling rate of 75 deg.C/hr while supplying 4 m¬3/hr of nitrogen gas into the furnace if ammonia gas is not remained in the nitriding furnace as a result of measurement after measuring density of gas contained in the nitriding furnace; and a step(i) of stopping supply of nitrogen gas and opening a cover for the nitriding furnace when temperature of the nitriding furnace is cooled to 100 deg.C.
Patent KR-20040010173-A (KR)
Inventor: YAMASAKI KENJI
IPC: H04N5/783
Filed: 2003-07-14
Abstract: PURPOSE: To smoothly display an image of unmultiplied reproduction without skipping a displayed image when variable speed reproduction is switched to the multiplied speed reproduction in an MPEG (moving picture experts group) system. CONSTITUTION: This image data reproducing apparatus has an STC (system time clock) generation step for successively generating an STC (STC_d) delayed from an STC (STC_medium) of compressed image data reproduced from a recording medium in the case of the unmultiplied speed reproduction by System_delay from a set initial value and in the STC generation step, the initial value is set based on a result by comparing a PTS (program time stamp) (PTS_s) of image data for display at the time of transition with {STC_medium at the time of transition-(delay quantity(shift_delay) in accordance with the transition + System_delay)} at the time of transition from the variable speed reproduction to the unmultiplied speed reproduction.
Patent KR-20050009046-A (KR)
Inventor: JEONG SANG SU
IPC: G06F13/16
Filed: 2003-07-15
Abstract: PURPOSE: A decoding device for a CISC(Complex Instruction Set Computer) processor to reduce a size of entire processor is provided to reduce the size of entire processor through reduction of flip-flops by making the flip-flop not latch information having a relatively short delay among the information stored in a ROM. CONSTITUTION: A mapping ROM(11) outputs a start address matched with a corresponding instruction signal by mapping the instruction signal applied from an instruction register(11). The micro-ROM(12) fixes a position of a field allocating operation for instruction information by decoding the instruction information matched with the start address and outputs the instruction information through output paths divided by a field type of the instruction information. The flip-flops(13a013c) latch the instruction information corresponding to the field type among the instruction information output from the micro-ROM. An ALU(Arithmetic and Logic Unit)(16) performs a logic operation depending on the instruction information applied from the flip-flops.
Patent KR-20040010210-A (KR)
Inventor: NAKANO MASAHIKO
IPC: G09B29/00
Filed: 2003-07-16
Abstract: PURPOSE: To provide a navigation system for satisfying a user with a high degree of satisfaction, by devising the form of display etc. of real images such as an aerial photograph, a satellite photograph, etc. CONSTITUTION: The navigation system guides itself up to a destination, by displaying information such as routes, maps, etc. required to reach destination on a display panel 9b. The apparatus system is provided with a first display control means and a second display control means. The first control means displays all or a part of the routes on the display panel 9b, and displays major spots such as a place of departure, the destination, etc. on routes with marks. The second control means displays on the display panel 9b real images such as a satellite photograph or the like of a periphery of a spot selected by a user out of the major spots displayed with marks, on the basis of positional information on the selected spot, and data on wide-range birs's-eye-view-like real images formed so as to be correspondable to position coordinates, when the second means determines that any one out of the major spots is selected by the user.
Patent KR-20050012490-A (KR)
Inventor: HEO HYUN GU
IPC: H04W74/08
Filed: 2003-07-25
Abstract: PURPOSE: A method for assigning multiple access channels during a call setup in a mobile communication system is provided to set plural areas when assigning access channels, and to assign the access channels to the corresponding areas only, thereby reducing search window sizes of each access channel, consequently a call setup time can be improved. CONSTITUTION: A modem of a base station informs a terminal that one access channel is used(S1). The modem divides a self coverage into plural areas, and assigns plural access channels managing the areas(S2). The modem monitors the plural access channels, and confirms whether an access probe transmitted from the terminal is obtained(S3). If so, the modem outputs the obtained access probe to a channel card, and simultaneously releases all of the rest access channels(S4).
Patent KR-20040012533-A (KR)
Inventor: YAEGASHI KEISUKE
IPC: C07D301/00
Filed: 2003-07-30
Abstract: PURPOSE: Provided is a method for effectively producing an optically active halogeno-hydroxypropyl compound and glycidyl compound from optically active epihalohydrin, without impairing an optical purity of the epihalohydrin. CONSTITUTION: The method comprises reacting an optically active epihalohydrin represented by formula 1 with nucleating agents represented by formula 3: Nu-Q, in the presence of metal complex catalyst represented by formula 2, to form enantioselectively an optically active 1-halogeno-2-hydroxypropyl compound. In the formulas, X is a halogen atom, n is an integer of 0, 1 or 2, Y1, Y2, and Y3, which are same or different, are independently hydrogen, halogen atom, nitro group, substituted or unsubstituted alkyl group, or substituted or unsubstituted aryl group, acyl group, or alkoxycarbonyl group, or Y1 and Y2, or Y2 or Y3, which are integrated with each other, may form a ring together with carbon atom to which they are bonded, A is a counter ion, M is a metal ion, Nu is a heteroatom having substituent, and Q is a hydrogen atom, or silicon atom having substituent.