baber/WOPTO huggingface dataset:
Patent KR-20030081903-A (KR)
Title: Apparatus and method for detecting heart beat using ppg
Inventor: KIM GYEONG HWAN
IPC: A61B5/024
Filed: 2002-04-15
Abstract: PURPOSE: An apparatus and a method for detecting a heart beat based on PPG(Photo-Plethysmo Graphy) are provided to improve the reliability of a heart beat detection by suppressing the influence of a motion artifact and using no reference signal. CONSTITUTION: A PPG sensing unit detects a PPG signal from a body of a user. An average heart beat time estimating unit(79) calculates a predicted average heart time from the PPG signal. A heart beat sequence/average heart beat number extracting unit(80) detects candidate heart beat sequences in the PPG signal by using the predicted average heart time and extracts an optimal heart beat sequence or average heart beat number from the candidate heart beat sequences. The average heart beat time estimating unit(79) includes hard-thresh holding units(72,75) for hard-thresh holding the PPG signal, an auto-correlation unit for calculating an auto-correlation function value of the hard-thresh holding PPG signal, and a peak detecting unit(81).
Patent KR-20030083158-A (KR)
Title: Speedy rinsing dishwashing detergents compositions
Inventor: CHA GYEONG ON
IPC: C11D3/26
Filed: 2002-04-19
Abstract: PURPOSE: Provided is a detergent composition which removes the food stains from kitchenwares effectively and is rinsed out excellently from the washed kitchenwares. CONSTITUTION: The kitchen detergent composition comprises (a) 100 parts by weight of the composition consisting of (i) 2 to 60 wt% of an anionic surfactant comprising 1 to 30 wt% of a C8-C16 alkyl ether sulfate containing 1 to 6 moles of ethylene oxide, and 1 to 30 wt% of a C8-C16 alpha-olefin sulfonate; (ii) 0.2 to 10 wt% of a non-ionic surfactant comprising 0.1 to 5 wt% of a C8-C18 alkyl polyglycoside, and 0.1 to 5 wt% of a C8-C18 alcohol ethoxylate containing 1 to 15 moles of ethylene oxide; (iii) 0.1 to 5 wt% of a foam booster, a stabilizer or a mixture thereof selected from a C8-C18 alkylamine oxide, a fatty acid ethanol amide and a mixture thereof, and (iv) 40 to 80 wt% of an aqueous liquid solvent; and (b) 0.1 to 4 parts by weight of a pH controlling agent.
Patent KR-20030083367-A (KR)
Title: Cylinder assembly and hermetic compressor having the same
Inventor: SEO SEUNG DON
IPC: F04B39/12
Filed: 2002-04-22
Abstract: PURPOSE: A cylinder assembly and a hermetic compressor using the same are provided to easy suction of refrigerant into a cylinder. CONSTITUTION: A cylinder assembly(600) includes a cylinder block(620) having a cylinder(610) in which refrigerant is compressed; a valve plate(640) installed on one side of the cylinder block, and having a refrigerant inlet(641) to introduce refrigerant into the cylinder; a suction valve(671) installed to contact with the valve plate so as to open and close the refrigerant inlet; a cylinder head(630) installed on one side of the valve plate to form a refrigerant suction chamber and a refrigerant discharge chamber together with the valve plate; a first refrigerant channel(634) formed on one side of the cylinder head to introduce refrigerant into the refrigerant suction chamber; and a second refrigerant channel(635) guiding refrigerant in a hermetic casing to the refrigerant inlet. The second refrigerant channel is a fine groove formed on one end of the valve plate, and extended from the one end of the valve plate to the refrigerant suction chamber.
Patent KR-20030083424-A (KR)
Title: The grid cover goods and covering method which is using x-ray imaging system
Inventor: KIM SAM JO
IPC: A61B6/06
Filed: 2002-04-23
Abstract: PURPOSE: An X-ray grid and a covering method thereof are provided to reduce the volume of radiation exposure and obtain a clear X-ray image. CONSTITUTION: An X-ray grid comprises a main body(1) including a cover panel(2) made of a synthetic resin, a grid member attached to the cover panel by an adhesive, an intermediate member and a lead foil constituting the grid member, and a square C-shaped frame(4) for fixing the grid member and the cover panel. The cover panel has a surface deposited with the adhesive, and is attached to the grid member by being heat vacuum shaped along the shape of the main body of the X-ray grid. The square C-shaped frame is arranged to cover the outer surface of the grid.
Patent KR-20030084435-A (KR)
Title: Mine drainage disposal system forming under the ground channel and method for treating of mine drainage using the same
Inventor: CHOI SEONG CHAN
IPC: C02F3/06
Filed: 2002-04-26
Abstract: PURPOSE: A mine drainage disposal system using underground channel and a treatment method of mine drainage using the same are provided to remediate contaminated soil environmental-friendly. CONSTITUTION: The mine drainage disposal system comprises a contact oxidation basin(10) in which Fe ion and Al ion of mine drainage are oxidized by a carrier, wherein the carrier is immobilized with Fe oxidizing microbe and oxidation accelerator; a contact neutralization tank(20) into which the effluent from the contact oxidation basin is introduced to neutralize the effluent by calcined fossil shell carrier; a clarifier(30) for the solid/liquid separation of the effluent from the contact neutralization tank; and an in-line purifier(40) through which the effluent from the clarifier flow and heavy metals of the effluent is removed by adsorption.
Patent KR-20030084531-A (KR)
Title: Infra-red receiver
Inventor: LEE SEONG GWON
IPC: H04B10/114
Filed: 2002-04-25
Abstract: PURPOSE: An infrared receiving device is provided to decide a signal inputted during a gap time as a noise, and to decide a signal inputted except the gap time as a normal signal, thereby efficiently suppressing or removing various kinds of noise components. CONSTITUTION: An infrared detector detects an infrared signal, and changes the signal into an electric signal. The first amplifier amplifies the electric signal. The second amplifier inputs an output of the first amplifier, and controls a gain. A filtering block filters a specific component among various components of an output signal from the second amplifier. A comparing block compares an output signal of the filtering block with a predetermined reference voltage. A demodulating block demodulates an output signal of the comparing block. An output block outputs an output signal of the demodulating block outside. A gain controller controls the gain of the second amplifier by using the output of the demodulating block and a difference between a normal input signal and a noise signal.
Patent KR-20030087819-A (KR)
Title: Double lay water pipe
Inventor: BYUN MOO WON
IPC: F16L9/12
Filed: 2002-05-10
Abstract: PURPOSE: A multilayer type underground laying water pipe is provided to form a pipe body having a multilayer type of the corrugated section to prevent the pipe body from being distorted by the load. CONSTITUTION: A cylindrical pipe body(1a) has an inner wall(10) and an outer wall(20) surrounding the inner wall to ensure a water passage. One of the inner and outer walls of the pipe body is corrugated along the entire length portion in a circumferential direction. The other of the inner and outer walls of the pipe body is corrugated along the entire length portion in a lengthwise direction. The pipe body has a multilayer type of the corrugated section to vertically cross the corrugated portions of the inner and outer walls with each other.
Patent KR-20020090141-A (KR)
Inventor: LIN ERIC
IPC: H04L12/46
Filed: 2002-05-21
Abstract: PURPOSE: A public access separation method in virtual networking environment and an apparatus therefor are provided to forward PDUs(Payload Data Units) in the virtual networking environment. CONSTITUTION: If one input port in which a PDU is received is designated for transmitting a public access data traffic(302,304,306,310,314), a certain service level is selectively assigned to the PDU(312). The PDU is forwarded according to the assigned service level(308). The input port in which the PDU is received is decided from a plurality of input ports of a multi-port data network node.
Patent KR-20020096905-A (KR)
Title: Switching circuit
Inventor: HIRANO NAOHIKO
IPC: H02G3/16
Filed: 2002-06-14
Abstract: PURPOSE: To attain further miniaturization and weight reduction of a switch circuit with a bus bar which acts as a conductor for connecting a switching element to a power source or a load, while ensuring flexural rigidity of the switch circuit and insulation between a plurality of bus bars. CONSTITUTION: A plurality of different bus bars 14P, 14N are fixed onto a base 12 so as to be fastened through an insulating material 18. The insulating material 18 ensures the insulation of the bus bars 14P, 14N, and integration of the bus bars 14P, 14N and the insulating material 18 increases the flexural rigidity and the strength of the switch circuit 10. By reversing the current direction of the bus bars 14P, 14N, inductance of the bus bars 14P, 14N, and induced voltage during switching (flyback voltage) can be reduced.
Patent KR-20030095892-A (KR)
Title: Method for the crystallization of helicobater pylori deformylase and crystalline deformylase prepared thereby
Inventor: CHO JUNG MYEONG
IPC: C12N9/48
Filed: 2002-06-15
Abstract: PURPOSE: A method for preparing a crystalline Helicobacter pylori deformylase and a crystalline Helicobacter pylori deformylase prepared therefrom are provided. The Helicobacter pylori deformylase is an important target protein for development of resistant antibiotics and treatment of stomach cancer and stomach ulcer, and the crystalline deformylase can be easily X-ray analyzed and has improved degree of crystallinity. CONSTITUTION: A method for preparing a crystalline Helicobacter pylori deformylase comprises crystallization of Helicobacter pylori deformylase according to a hanging-drop vapor diffusion method using a reservoir solution containing ammonium sulfate as a precipitating agent, wherein the hanging-drop vapor diffusion method is carried out under the temperature of 18 to 22 deg. C and pH of 7.2 to 7.6; the reservoir solution is a Mops buffer solution; and the reservoir solution contains 0.08 to 0.10 M of Mops buffer solution, and 1.9 to 2.1 M of ammonium sulfate.
Patent KR-20020097029-A (KR)
Title: Apparatus and method for enhancing performance in a packet data system
Inventor: SINGH AJOY
IPC: H04L12/56
Filed: 2002-06-20
Abstract: PURPOSE: An apparatus and a method for enhancing performance in a packet data system is provided to control the loss of data packets in the packet data system. CONSTITUTION: Packets are transmitted from a PDSN(Packet Data Serving Node)(110) to an MS(Mobile Station)(100) via a PCF(Packet Control Function)(106) over a plurality of links(108,102) having different bandwidths. The PCF(106) actively monitors the average number of packets in the first buffer(116). When the average number is over a pre-defined threshold, the PCF(106) instructs the PDSN(110) to stop sending data packets. The PDSN(110) compresses and stores packets from a network in the second buffer(118) until the PDSN(110) transmits the compressed packets to the PCF(106) again. When the second buffer(118) of the PDSN(110) becomes full, the PDSN(110) discards any packets received from the network before performing compression. When the average number of packets in the first buffer(116) is less than the threshold, the PCF(106) instructs the PDSN(110) to resume sending the compressed packets to the MS(110).
Patent KR-20030001350-A (KR)
Title: Method and apparatus for fabricating optical fiber using improved oxygen stoichiometry and deuterium exposure
Inventor: CHANG KAI H
IPC: C03C25/00
Filed: 2002-06-25
Abstract: PURPOSE: Provided are a method and an apparatus for producing optical fiber which has reduced hydrogen aging loss that occurs during the lifetime of the fiber by using improved oxygen stoichiometry and deuterium exposure. CONSTITUTION: The method for producing the optical fiber includes the steps of: forming a glass core rod by soot deposition, the glass core rod having a core region surrounded by a cladding region; dehydrating the glass core rod in a first environment including oxygen alone or with at least one of chlorine-containing gases, fluorine-containing gases and carbon monoxide, wherein the first environment is neither oxygen-rich nor oxygen-deficient; consolidating the glass core rod; forming an overclad region around the glass core rod to form an overclad optical fiber preform; drawing fiber from the overclad optical fiber preform; and exposing the drawn optical fiber to an atmosphere containing deuterium.
Patent KR-20040001384-A (KR)
Title: The structure of thermal transparent crucible for organic effusion cell
Inventor: BAEK MIN
IPC: C23C14/00
Filed: 2002-06-28
Abstract: PURPOSE: A transparent thermal crucible structure of organic effusion cell is provided to improve quality of organic thin film and reduce material cost of the crucible by adopting a double crucible as the organic effusion cell, thereby using graphite crucible as an outer crucible and using quartz crucible as an inner crucible. CONSTITUTION: The transparent thermal crucible structure of organic effusion cell comprises a shutter shaft(3), a shutter(6), a heating element(8) for heating the outer crucible, a crucible supporting structure(7) for fixing the outer crucible, an outer crucible(4), an inner crucible(5), a temperature sensor(9), cooling water inlet and supporting shaft, a cooling jacket for emitting heat accumulated according to excessive heating, and a vacuum flange, wherein the outer crucible(4) made of graphite is heated by flowing current to the heating element(8), thereby heating the heating element(8) so that the heating element(8) radiates heat after putting an organic evaporation material that is a target material for manufacturing a vacuum thin film into the inner crucible(5), and the temperature sensor(9) senses temperature variation of the inner crucible and organic material so that temperature of the organic material is constantly maintained as controlling heating value, wherein a double crucible is adopted as the organic effusion cell so that a graphite crucible is used as the outer crucible, and a quartz crucible having superior heat infrared transmittance is used as the inner crucible, wherein SiC coated graphite or alumina is used as a material for the outer crucible of the double crucible, and sapphire is used as a material for the inner crucible of the double crucible, and wherein inner and outer parts of the double crucible are constructed in a straight cylindrical structure.
Patent KR-20040005360-A (KR)
Title: Low Temperature Firable PZT Compositions and piezoelectric ceramic devices using the same
Inventor: KIM YEONG MIN
IPC: H01L41/22
Filed: 2002-07-10
Abstract: PURPOSE: Provided is a PZT composition having low dielectric loss, high piezoelectric parameter and low temperature sintering which is applied to piezoelectric ceramic devices such as multilayer piezoelectric transformers and actuators. CONSTITUTION: A piezoelectric composition, PZT composition is expressed by a formula of £(Pb1-m-n-pSrmBanCdp)(ZrxTi1-x)1-k(BiaMnb)k|O3 + yBi2O3 +zF, wherein m, n, p, x, a, b, k, y and z are in the ranges of 0.00<=m<0.15, 0.00<=n<0.15, 0.00<m+n<0.21, 0.00<p<0.04, 0.50<=x<0.56, 0.00<a<=1.00, 0.00<b<=1.00, 0.00<k<0.04, 0.00<=y<=1.00 (wt.%), and 0.00<=z<=1.00 (wt.%). respectively, and optionally MnO2<=0.05wt.%, and preferably 3a+4b=4, P=k and 0.00<z<=1.00 (wt.%). The PZT composition is sintered at 960deg.C in case that Ag electrode is used and F is LiF or MgF2. The PZT composition is also sintered 1050deg.C in case that Ag-Pd electrode is used, F is LiF or MgF2, and the amount of Pd is less than 20wt.% based on the total amount of Ag and Pd.
Patent KR-20040006699-A (KR)
Title: Apparatus for terminating piece of iron on surface of roll
Inventor: CHOI O JIN
IPC: B21B28/02
Filed: 2002-07-13
Abstract: PURPOSE: An apparatus for removing fractured iron scrap on the surface of roll is provided which removes the iron scrap promptly and safely when fractured iron scrap of strip is adhered to the surface of the roll during rolling operation. CONSTITUTION: The apparatus(100) comprises guide rails(111) installed at both sides of an upper surface of base(110); a rolling roll support(120) installed on an upper surface of the base(110) to support a rolling roll(2) in such a way that the rolling roll support(120) is moved along the guide rails(111); a rolling roll support transfer means installed on the base(110) to automatically adjust position of the rolling roll support(120); a plural supporting rolls(121) rotationally installed at both sides of an upper part of the rolling roll support(120) to support the rolling roll(2); an iron scrap removing roll(140) installed at the middle of the rolling roll support(120) to remove fractured iron scrap stuck to the surface of the rolling roll(2) in such a way that the iron scrap removing roll(140) is ascended and descended; a driving motor(150) installed on the side of the rolling roll support(120) to rotate the supporting rolls(121) and the iron scrap removing roll(140); covers(170,171) installed on an upper part of posts(160) installed at both sides of the base(110) in such a manner that the covers(170,171) are opened and closed; a grinding roll installed at a lower part of the covers(170,171) to grind the surface of the rolling roll(2) in such a way that the grinding roll is ascended and descended; and a sensing bar installed at the center of the covers(170,171) to sense the rolling roll(2).
Patent KR-20040010937-A (KR)
Title: Apparatus for transfering busy signal between external mobile phone and internal terminal of telematics system
Inventor: LEE UI DONG
IPC: H04B1/40
Filed: 2002-07-25
Abstract: PURPOSE: A device for converting a call sound between an internal terminal and an external terminal of a telematics device is provided to reciprocally convert the internal terminal and the external terminal according to an operated state of a send button when using both the internal terminal and the external terminal in the telematics device, thereby using an external cellular phone of a user with the internal terminal of the telematics device. CONSTITUTION: A send button(30) selects a send button or an end button. The first switch(20) reciprocally converts a ring signal of an internal terminal(50) and a call signal of an external cellular phone(90), and outputs the converted signal to a speaker(10). The second switch(80) reciprocally converts a call signal of the internal terminal(50) and the call signal of the external cellular phone(90). A call sensor(70) removes noise and echoes from the call signal inputted through the second switch(80) and a voice signal inputted from a microphone(60), outputs the signals to the first switch(20) and the second switch(80), and senses whether a call is made. A controller(40) inputs the ring signal, an operated state of the send button, and the call of the call sensor(70), and operates the switches(20,80) for reciprocal conversions.
Patent KR-20020067474-A (KR)
Inventor: CHOI IN SEOK
IPC: H05B37/02
Filed: 2002-07-26
Abstract: PURPOSE: A street lamp short detection and driving system is provided to reduce cost for maintenance of street lamp and prevent risk of electrical shock. CONSTITUTION: A street lamp short detection and driving system comprises a driving signal receiver(100) for receiving a street lamp turn-on signal from an external source; a controller(200) for judging transmittance/receipt of terminal control signal, short of line, short circuit, electrical leakage and abnormality of a street lamp device(400), in accordance with the signal transmitted from the driving signal receiver; a terminal(300) for driving the street lamp device constituted by a street lamp and a stabilizer in accordance with the signal transmitted from the controller, detecting the driving state of the street lamp device and transmitting a signal to the controller; the street lamp device which is operated by the driving signal output from the terminal; and a detection signal transmitter(500) for transmitting a signal to an external control station if any abnormality of line and street lamp device is judged by the controller.
Patent KR-20040011308-A (KR)
Title: Cutting apparatus of uranium rod
Inventor: JANG SE JEONG
IPC: B26D7/18
Filed: 2002-07-30
Abstract: PURPOSE: A device for cutting a uranium rod is provided to improve the efficiency of continuous casting and to easily perform the repetitive cutting of the uranium rod by easily and precisely cutting the uranium rod moving downward. CONSTITUTION: A device for cutting a uranium rod is composed of an elastic sliding unit(10) having a sliding plate(14), a cutting unit(20) installed at the center of the sliding plate and cutting the uranium rod moving downward, and a fixing unit(30) fixing the uranium rod to the upper part of the cutting unit. The elastic sliding unit includes a plurality of fixed shafts(11) vertically mounted at the bottom of a shielding chamber(8), a lower fixing plate(12) mounted at the lower part of the fixed shaft, a sliding tube(13) installed at the upper part of the fixed shaft, and a spring(15) installed at the fixed shaft between the bottom of the sliding tube and the top of the lower fixing plate.
Patent KR-20040012183-A (KR)
Title: Improved structure of pumping means in oil pump
Inventor: PARK SANG DON
IPC: F04C2/348
Filed: 2002-08-01
Abstract: PURPOSE: An improved structure of a pumping unit for an oil pump is provided to improve efficiency of the pump even at low pressure suction area by increasing separating reaction force of a vane coupled to a rotor and allowing the vane to be rapidly separated from the rotor to an oil chamber to expand area on which the rotor and the vane contact with fluid and increase discharge per rotation of the rotor. CONSTITUTION: A pumping unit includes a rotor(130) and vanes(140) coupled to the rotor. The rotor rotates interlocked with a shaft inserted into a cam ring and a center of the rotor. A plurality of guide grooves(131) are formed on a front end of the rotor at regular intervals in circumferential direction. The vanes are inserted to the guide grooves, and contacted with an inner circumferential surface of the cam ring and perturb due to separating reaction force. Annular back pressure ports(130a) are formed on both sides of the rotor correspondingly with back pressure ports of a cover plate and side plates. A concave groove(130b) is formed between the vanes neighboring each other on a peripheral surface of the rotor to expand area on which the rotor contacts with fluid and increase pumping capacity per rotation.
Patent KR-20040013454-A (KR)
Title: A semiconductor device reinforcing the lower part of a storage node and the fabrication method thereof
Inventor: KIM SEONG GU
IPC: H01L27/04
Filed: 2002-08-06
Abstract: PURPOSE: A semiconductor device reinforcing the lower part of a storage node is provided to increase the area of the storage node and prevent the storage node from being fallen by making the diameter of the lower part of the storage node greater than that of the upper part of the storage node while maintaining the same area of the upper part of the storage node and by making the second insulation layer or the second insulation layer/a nitride layer come in contact with the lower part of the storage node. CONSTITUTION: The first insulation layer(400) and a buried contact(BC) pad(450) are formed on a semiconductor substrate. The second insulation layer is formed on the first insulation layer and the BC contact. A storage hole(570) with a predetermined diameter exposes the BC pad to a selected portion of the second insulation layer. The storage node comes in contact with the storage hole and the BC pad. The diameter of the lower part of the storage hole is greater than that of the upper part of the storage hole. The second insulation layer comes in contact with the lower part of the storage node.