baber/WOPTO huggingface dataset:
Patent KR-20200021379-A (KR)
Title: 3-Level Power Factor Correction Converter Apparatus
Inventor: JI SANG KEUN
IPC: H02M1/42
Filed: 2018-08-20
Abstract: Disclosed is an improved technique related to a power factor improving power conversion device. In the proposed power conversion device, a charging voltage of a first link capacitor and a second link capacitor of an output terminal is primarily maintained the same by a balancing circuit including a capacitor and a diode. Moreover, a resonant converter can be connected to the output terminal of the power factor improving power converter. The resonant converter can additionally balance the charging voltage of the first link capacitor and the second link capacitor through a switching unit and the capacitor.
Patent KR-20190024711-A (KR)
Inventor: MU YANG
IPC: G06Q20/40
Filed: 2018-08-21
Abstract: The present invention discloses an information verification method and device. The information verification method comprises the steps of: obtaining target query and answer combination, wherein the query and answer combination includes a query and answer for a query; transmitting the query of the target query and answer combination to a terminal device; receiving unconfirmed voice information from the terminal device and recognizing the unconfirmed voice information to generate unconfirmed answer; and determining that the unconfirmed voice information has passed the verification when the unconfirmed answer and the answer of the target query and answer combination are matched. According to an embodiment of the present invention, the information verification method may vary a verification method of payment by recognizing the unconfirmed voice information to derive the unconfirmed answer and determining that the unconfirmed voice information has passed the verification when the unconfirmed answer and the answer of the target query and answer combination are matched.
Patent KR-20200027593-A (KR)
Title: Method for roof type string and string made by the same
Inventor: BAEK SEUNG IL
IPC: D07B1/06
Filed: 2018-09-04
Abstract: The present invention relates to a method for manufacturing a loop-type string and a string manufactured through the same. More specifically, the present invention relates to a string which is formed in a cylindrical shape by forming a plurality of loops through a wire, and serially circular knitting the same. The present invention comprises the steps of: forming an annular base portion from one end of the wire; and forming a cylindrical portion by circularly knitting the other end of the wire from the base portion along the formation direction of the base portion. The present invention can increase the tensile strength, thereby eliminating the increase in the thickness of the wire.
Patent KR-20200027796-A (KR)
Title: Method for preparing graft copolymer and graft copolymer
Inventor: AHN BONG KEUN
IPC: C08F285/00
Filed: 2018-09-05
Abstract: The present invention relates to a method of manufacturing a graft copolymer and the graft copolymer. The method comprises: a step 1) of manufacturing a seed by injecting and polymerizing one or more selected from the group consisting of an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyan-based monomer; a step 2) of manufacturing a core by injecting and polymerizing the alkyl (meth)acrylate-based monomer in the presence of the seed; and a step 3) of manufacturing a shell by injecting and polymerizing the aromatic vinyl-based monomer and the vinyl cyan-based monomer in the presence of the core, wherein the step 3) comprises injecting an activator including a compound represented by chemical formula 1, and the core has an average particle diameter of 320 to 520 nm. The method can provide a graft copolymer which is particularly excellent in impact resistance, thermal stability, surface clarity, whiteness, appearance quality, and weatherability.
Patent KR-20200031390-A (KR)
Title: Drain system of lng cargo tank
Inventor: LEE HYEONG RAE
IPC: F17C13/12
Filed: 2018-09-14
Abstract: Disclosed is a drainage system of a liquefied natural gas storage tank. The drainage system of the liquefied natural gas storage tank according to the present invention includes: a drainage hole formed on the bottom surface of the liquefied natural gas storage tank; a pair of inclined plates installed spaced apart from each other at a corner unit of the liquefied natural gas storage tank; and a drainage guide device in which one end unit is inserted into a space spaced between the inclined plates and the other end unit is extended into the drainage hole. Therefore, a drainage path through which water introduced between the inner surface of the liquefied natural gas storage tank and the inclined plate is guided to the drainage hole through the drainage guide device is formed, and the drainage guide device is provided in a closed structure. Accordingly, all paths from the inclined plate to the drainage hole are closed.
Patent KR-20200031814-A (KR)
Title: Vision inspection device of contact lens
Inventor: CHUN SUNG CHUL
IPC: G01N21/958
Filed: 2018-09-17
Abstract: The present invention relates to an apparatus for testing contact lens automated vision. The apparatus for testing the contact lens automated vision of the present invention includes: a first lens moving means (200); a photographing means (350); a lens adjusting means (380); a control unit (400); and a second lens moving means (250).
Patent KR-20200033009-A (KR)
Title: Method of providing automatic answer
Inventor: KIM DO YOUN
IPC: G06Q50/30
Filed: 2018-09-19
Abstract: According to various embodiments, provided is an automatic answer providing method. The automatic answer providing method comprises the steps of: receiving a question from a user terminal; extracting a plurality of similar questions which are semantically similar to a question from a repository in which a plurality of question and answering documents are stored, and extracting answers of the similar questions as candidate answers, as candidate answers; obtaining a plurality of phrases from the candidate answers; determining the importance of each of the plurality of phrases based on the similarity between the plurality of phrases; extracting a plurality of key phrases from the plurality of phrases based on the importance of each of the plurality of phrases; and generating an automatic answer composed of the plurality of key phrases and providing the automatic answer to the user terminal.
Patent KR-20200039284-A (KR)
Inventor: LEE CHANG YEOP
IPC: G01N33/00
Filed: 2018-10-05
Abstract: The present invention relates to two-dimensional measurement of concentration and temperature of a fine dust precursor and an active control method thereof and, specifically, to a control method of minimizing concentration of NO by measuring concentration and temperature of the NO which is a fine dust precursor contained in exhaust gas of a large combustion system such as a power plant using a two-dimensional TDLAS method, and spraying ammonia in response to the measured concentration and temperature of the NO.
Patent KR-20190084855-A (KR)
Title: Hetero-cyclic compound and organic light emitting device comprising the same
Inventor: HA JAE SEUNG
IPC: H01L51/00
Filed: 2018-10-18
Abstract: The present invention provides a novel heterocyclic compound and an organic light emitting device using the same. The compound represented by chemical formula 1 can be used as a material of the organic matter layer of the organic light emitting device, and can improve efficiency, low driving voltage, and/or lifespan characteristics in the organic light emitting device.
Patent KR-20180118090-A (KR)
Inventor: KIM YOUNG WOO
IPC: H05B33/12
Filed: 2018-10-19
Abstract: The objective of the present invention is to provide a micro LED display pixel assembly operating without a TFT backplane in a general substrate by installing a switching element in an LED pixel, and a manufacturing method thereof. To this end, the micro LED display pixel assembly of the present invention comprises: a plurality of light emitting units for outputting light having a random wavelength range; and a thin film transistor (TFT) installed in the light emitting unit to switch the light emitting unit. Therefore, according to the present invention, the micro LED display pixel assembly can operate without the TFT backplane by integrally installing the switching element in the LED pixel to perform a TFT function, and a size limit of a display device can be overcome by installing the TFT function in the LED pixel.
Patent KR-20200045594-A (KR)
Title: Lighting device
Inventor: PARK GEUN WAN
IPC: F21S6/00
Filed: 2018-10-22
Abstract: The present invention relates to a lighting device including: a housing; a light emitting unit including at least one LED chip; a light emitting holder provided on an upper end of the housing to accommodate the light emitting unit; a light emitting cover covering an upper portion of the light emitting holder to allow light to be irradiated from the light emitting unit; and a light diffusing unit including a first optical cover formed of an elastic material and disposed on an upper side of the light emitting holder to diffuse the light emitted from the light emitting unit in all directions, and a second optical cover formed of an inelastic material and engaged with a lower outer edge of the first optical cover to further diffuse or scatter the light diffused from the first optical cover, wherein the light diffusing unit is detachably coupled to the light emitting holder, so that assembly and fastening work are easily performed, a solid connected state is maintained, and the lighting is displayed in various atmospheres due to the simultaneous application of different materials.
Patent KR-20190046688-A (KR)
Inventor: OH SEI WOON
IPC: H01M4/13
Filed: 2018-10-25
Abstract: The present invention relates to a single side electrode for a secondary battery, which comprises: a current collector; an electrode mixture applied on one surface of the current collector; and an electrode anti-warp layer formed on the other surface of the current collector to which the electrode mixture is not applied. The single side electrode of the present invention is an electrode having remarkably reduced warping or curling after a rolling process, and has an advantage of facilitating work of a subsequent process and enhancing productivity.
Patent KR-20200048478-A (KR)
Title: Gel-type alcohol fuel composition with increased stability at low temperature
Inventor: MYUNG HEUNG SIK
IPC: C10L10/14
Filed: 2018-10-30
Abstract: The present invention relates to a gel type alcohol fuel composition with increased stability at low temperature. According to the present invention, the gel type alcohol fuel composition comprises: (a) 70 to 99 parts by weight of an alcohol composition including 90 to 99.5 wt% of ethanol and 0.5 to 10 wt% of an alcohol mixture or an alcohol mixture B; (b) 0 to 30 parts by weight of water; (c) 0.5 to 3 parts by weight of a carboxy vinyl polymer; (d) 0.5 to 6 parts by weight of alkanol amine; and (e) 1 to 10 parts by weight of an additive for the stability at low temperature including one or more selected from C1 to C3 alcohol and C2 to C3 glycol. According to the present invention, C1 to C3 alcohol or C2 to C3 glycol is added to a gel type alcohol fuel composition including the ethanol as a major component to increase hydrogen binding force, thereby stably maintaining viscosity at low temperature.
Patent KR-20200049346-A (KR)
Title: Method and apparatus for content generation based on character recognition
Inventor: LEE TAE EUN
IPC: G06Q50/10
Filed: 2018-10-31
Abstract: The present invention relates to a method and a device for creating a content desired by a user through character recognition. More specifically, the method of the present invention comprises: acquiring image information by photographing first content; identifying a character from the image information; converting the identified character into at least one character code; and creating second content.
Patent KR-20190057198-A (KR)
Inventor: BAEK SANG MIN
IPC: A61B5/145
Filed: 2018-11-08
Abstract: The present invention relates to an apparatus and a method for measuring a bio-impedance by using multiple electrodes. The apparatus for measuring a bio-impedance by using multiple electrodes comprises: a first electrode unit connected to a test chamber into which an analysis material is injected, including at least two application electrodes, and applying either a current or a voltage; a second electrode unit connected to the test chamber, including at least two output electrodes, and outputting either a current or a voltage; and a measurement unit for measuring a hematocrit numerical value in the analysis material based on the applied current or voltage and the output current or voltage.
Patent KR-20180124006-A (KR)
Title: Smart Multi-socket for reducing standby power loss
Inventor: KIM SEONG HO
IPC: H01R13/10
Filed: 2018-11-13
Abstract: As another preferred embodiment of the present invention, a smart socket for reducing standby power loss includes a socket part and a smart circuit part which supplies power to each of at least one socket for a predetermined time after voice is recognized by a voice recognition part, and supplies power to only the socket after the predetermined time has elapsed, when it is determined that an electronic product plugged in within the predetermined time is in an ON state.
Patent KR-20200055565-A (KR)
Inventor: PARK JUN YEON
IPC: B60K17/34
Filed: 2018-11-13
Abstract: Disclosed is a roll and brake test system. According to an embodiment of the disclosed present invention, the roll and brake test system comprises: a wheel base for placing a vehicle to be inspected at the correct position; front and rear wheel driving rollers, respectively, installed to be driven on front and rear sides of the wheel base; a retaining roller freely rotated by each wheel of the vehicle to be inspected at the front and rear sides of the wheel base; and a wheel cap mounting unit for mounting a wheel cap on each wheel of the vehicle to be inspected. The roll and brake test system may further comprise: (i) front and rear wheel regenerative braking motors, respectively connected to the front and rear driving rollers, separately providing the front and rear driving rollers with a rotational driving force, and generating electric energy from regenerative braking; (ii) a power generation unit connected to at least one of the front and rear wheel driving rollers, the retaining roller, and the wheel cap mounting unit, and converting rotational kinetic energy into electric energy; and (iii) an energy storage unit connected to the front and rear wheel regenerative braking motors and the power generation unit, and storing the generated electric energy generated by the front and rear wheel regenerative braking motors and the power generation unit. Accordingly, usage costs of electric energy and production costs can be saved.
Patent KR-20180132571-A (KR)
Inventor: KANG SE CHAN
IPC: A61K9/08
Filed: 2018-11-16
Abstract: The present invention discloses a composition containing a Ligularia fischeri extract and a Momordica charantia extract, and a production method thereof. According to an embodiment of the present invention, a pharmaceutical composition containing the Ligularia fischeri extract and the Momordica charantia extract in a weight ratio of 9 : 1-1 : 9, so as to prevent and treat diseases selected from the group consisting of diabetes, non-alcoholic fatty liver disease, renal failure, and hyperlipemia.
Patent KR-20200061237-A (KR)
Inventor: OH KYOUNG WHAN
IPC: H01L21/67
Filed: 2018-11-23
Abstract: A technical concept of the present invention is to provide a semiconductor facility cleaning method capable of stably and efficiently cleaning and managing a pipe of a semiconductor facility, and a semiconductor facility management system. The semiconductor facility cleaning method includes the following steps of: monitoring the condition of fluids in the pipe of a semiconductor facility; building a database based on data collected through monitoring; diagnosing the condition of the pipe based on the database; and cleaning the pipe by using ultrasonic waves if the condition of the pipe is not normal. In the pipe cleaning step, at least two ultrasonic wave generators are used to clean the pipe.
Patent KR-20200062763-A (KR)
Title: Nano-complex containing tungsten oxide, polymer complex containing the same, and fibers containing the polymer complex
Inventor: PARK JU HYUN
IPC: C08K9/04
Filed: 2018-11-27
Abstract: The present invention relates to a nanocomposite comprising a compound having an aliphatic hydrocarbon substituent and a tungsten oxide nanorod, a polymer composite comprising the same, and fibers and foams comprising the polymer composite. By including the nanocomposite in a predetermined amount, it is possible to provide the polymer composite having excellent elongation and photo-heating efficiency while exhibiting a predetermined range of mechanical strength.
Patent KR-20200065742-A (KR)
Title: Apparatus of Buck converter and method for sensing voltage of Buck converter
Inventor: KIM JONG CHEOL
IPC: H02M1/00
Filed: 2018-11-30
Abstract: According to an embodiment of the present invention, provided is a buck converter which comprises: a switch and a diode to which an input voltage is applied; a capacitor and a resistor to which an output voltage is individually applied; and an inductor having one side connected to a cathode of the diode and the other side connected to the capacitor and the resistor. Moreover, the switch is connected to an anode of the diode. The buck converter does not require an insulated gate amplifier voltage, thereby reducing a cost for separately having the same.
Patent KR-20200066078-A (KR)
Inventor: JO MIN HO
IPC: C22C38/06
Filed: 2018-11-30
Abstract: Provided are a steel sheet having excellent corrosion resistance and processability against corrosion caused by various acids and a manufacturing method thereof. An acid-resistant steel sheet according to one embodiment of the present invention includes: equal to or less than 0.1 wt% (excluding 0 wt%) of C; 2.0 to 4.0 wt% of Si; and the balance Fe and unavoidable impurities. The Si content of a surficial part from the surface of the steel sheet to a depth of 10 μm in the inward direction is equal to or greater than 15 wt%.
Patent KR-20200067636-A (KR)
Title: Method for processing and verificating clinical trial data
Inventor: LEE HAE WON
IPC: G16H10/40
Filed: 2018-12-04
Abstract: A method for processing and verifying clinical trial data according to one embodiment of the present invention includes the steps of: receiving first clinical trial data of a patient from a hospital terminal; receiving second clinical trial data of the patient from the patient terminal; processing the second clinical trial data into a standard data format; and verifying data by comparing the first clinical trial data and the second clinical trial data, and if the first clinical trial data and the second clinical trial data are identical, the first clinical trial data is converted into final data, and if not identical, notifying an alarm to the hospital terminal.
Patent KR-20200070603-A (KR)
Inventor: LEE SANG MOK
IPC: H03K19/003
Filed: 2018-12-10
Abstract: According to an embodiment, an input/output circuit comprises: a logic unit generating first and second signals based on a data signal and a first control signal; a driver including a first PMOS transistor which includes a first gate, a first source, and a first drain to which a first voltage of first power is applied, and a first NMOS transistor which includes a second gate to which a second signal is provided, a second source to which a second voltage of second power lower than the first voltage is applied, and a second drain connected to the first drain; a gate tracking circuit which receives the first signal and transmits the first signal to the first gate of the first PMOS transistor based on the second control signal; and an input/output terminal connected to the first source and the second drain. The gate tracking circuit includes: a transmission gate including an input terminal into which the first signal is input, an output terminal connected to the first gate, a negative polarity control terminal, and a positive polarity control terminal to which the first voltage is provided; and a bias unit providing the second voltage to the negative polarity control terminal based on the second control signal. The input/output circuit can prevent current leakage and protect elements of a logic unit.
Patent KR-20200071219-A (KR)
Title: umbrella having raincoat space
Inventor: KIM SEO HYEON
IPC: A45B3/00
Filed: 2018-12-11
Abstract: Even if people use an umbrella on a rainy day, people often get wet when the rainfall is falling sideways because of wind. In this case, people feel the need for a raincoat. However, it is cumbersome to carry both an umbrella and a raincoat. To solve the problem, a raincoat was built in by securing a space in a handle part of an umbrella. It is expected that the space of the handle part will be narrow, so the raincoat will be designed in the form of a cloak to reduce the volume as much as possible.
Patent KR-20200072813-A (KR)
Title: Human implantable apparatus delivering signal using internal human body communication
Inventor: JEONG HONG YOUNG
IPC: H04B13/00
Filed: 2018-12-13
Abstract: According to one aspect of the present invention, disclosed is a human body implantable device for transmitting a signal to the outside of the human body using human body communication. The device comprises: a covering surrounding an outer peripheral surface of the device; and a metal electrode film formed on at least one surface of the inside and outside of at least a partial region of the covering. The metal electrode films are spaced apart from each other to form a plurality of electrodes to transmit signals. The outer shell and the plurality of metal electrode films transmit a signal by using human body communication having a capacitance value in a first range which causes the impedance of the device to become 1-10 kΩ.
Patent KR-20200073494-A (KR)
Title: Cooling fan clutch capable of variable control
Inventor: BYUN DONG HWAN
IPC: F01P5/02
Filed: 2018-12-14
Abstract: The present invention relates to a cooling fan clutch capable of variable control, which allows a cooling fan clutch to be variably and actively controlled in accordance with a control signal of an electronic control device of a vehicle based on a detection temperature of engine cooling water to improve the operating efficiency of the cooling fan clutch, thereby improving the fuel efficiency of the engine and extending the lifespan of the engine. According to the present invention, the cooling fan clutch comprises: a rotating power generation unit to receive torque from an engine crankshaft to rotate; a driving fan unit arranged on one end of a rotating driving shaft making up the rotating power generation unit, and rotated and linked in accordance with an internal oil pressure; and an oil amount variable control unit which is arranged between the rotating power generation unit and the driving fan unit, and controls the amount of oil flowing towards the driving fan unit in accordance with a control signal of an electronic control device of the engine to vary the rotation of a driving fan making up the driving fan unit.