baber/WOPTO huggingface dataset:
Patent KR-20200088077-A (KR)
Inventor: JOUNG MOO KWANG
IPC: G09B7/08
Filed: 2019-01-14
Abstract: According to an embodiment of the present invention, a method for providing a learning service comprises the steps of: analyzing digital incorrect answer question information collected by a user terminal; obtaining learning content information based on the analysis result of the incorrect answer question information; and providing the analysis result of the incorrect answer question information and learning content corresponding to the analysis result to the user terminal.
Patent KR-20200088088-A (KR)
Inventor: NAM SUNG JEON
IPC: G06F40/20
Filed: 2019-01-14
Abstract: According to an embodiment of the present invention, provided is an apparatus for classifying a word attribute which comprises: an input unit receiving a target original text including at least one natural language sentence; a word extraction unit extracting the segmented words by segmenting the input target original text for each word constituting the natural language sentence of the target original text; a feature value generation unit generating feature values of each word by learning the extracted words using a word embedding model; and an attribute classification unit grouping the extracted words in accordance with preset attributes by clustering the words by determining the similarity between the words using the generated word feature values.
Patent KR-20210142208-A (KR)
Title: air purifier
IPC: F24F3/16
Filed: 2019-01-15
Abstract: The present invention relates to a dust collection device which collects air pollutants such as fine dust charged through a plurality of negative charge generation devices through a plurality of positive charge generators and, more specifically, to a structure for effective collection of sulfur oxide and nitrogen oxide which affect Korea the most. According to the present invention, the dust collector has a structure in which sulfur oxide and nitrogen oxide are charged with negative charges through a vertically mounted negative charge projector (100) to pass through a positive charge dust collector (200) of a helical structure, and fine dust stays by an attractive force. If the fine dust collector of the corresponding structure is used, the surface area for collecting fine dust increases, and the flow of air is not disturbed to increase dust collection efficiency and enhance the durability of a product.
Patent KR-20190108041-A (KR)
Title: System and method for a decimated phase detector circuit
Inventor: ABRAMZON VALENTIN
IPC: H03L7/091
Filed: 2019-01-23
Abstract: The present invention relates to a system and a method for a decimated phase detector circuit to maintain fidelity of the number of up and down output by a Bang-Bang phase detector (BBPD) while requiring smaller power and spaces. The system comprises: the BBPD; an up-rolling counter connected to up-output of the BBPD; and a down-rolling counter connected to the down-output of the BBPD. A charge pump is connected to the up-rolling counter and the down-rolling counter and receives a decimated up-signal from the up-rolling counter and a decimated down-signal from the down-rolling counter. The charge pump provides the control voltage according to the received decimated up-signal and decimated down-signal.
Patent KR-20200095024-A (KR)
Title: Middle bar drainage structure
Inventor: KIM SOON SEOK
IPC: E06B3/46
Filed: 2019-01-31
Abstract: The present invention provides a drainage structure for a middle bar of a middle window, which efficiently drains rainwater stagnated on a rail groove of the middle bar installed on the middle window. To this end, the drainage structure for a middle bar of a middle window forms drainage holes in horizontal and vertical directions to smootly drain the rainwater, thereby preventing the rainwater from being not drained and back-flowing indoors by wind pressure even when a rainstorm rages while strong winds blow.
Patent KR-20200096366-A (KR)
Title: Method and Apparatus for Obtaining TDD Synchronization at Relay
Inventor: LEE DONG KWAN
IPC: H04B7/155
Filed: 2019-02-01
Abstract: The present invention relates to a method and an apparatus in which a repeater obtains time division duplex (TDD) synchronization from a downlink signal in a 5th generation (5G) next generation (NR) communication system. According to the present invention, a radio frequency (RF) repeater for TDD comprises: an RF unit to transfer an RF signal between a donor antenna to transmit and/or receive a signal to/from a base station and a service antenna to transmit and/or receive a signal to/from a terminal, and convert a downlink signal coming from the base station into a sampling data signal of a baseband created by sampling the downlink signal; a sample buffer unit to store the sampling data signal from the RF unit to store the sampling data signal in a buffer; and a processing unit operatively coupled to the RF unit and the sample buffer unit. According to the present invention, TDD configuration information can be obtained from a downlink signal received from a 5G base station without using an additional communication module in an RF repeater.
Patent KR-20200044649-A (KR)
Inventor: KIM MYEONG JU
IPC: G06F16/34
Filed: 2019-02-18
Abstract: Provided are an apparatus and a method for displaying changes in data. According to an embodiment, an apparatus for displaying changes in data is an apparatus connected to a channel through a user terminal and displaying changes in data of a program connected through the channel. The apparatus comprises: an I/O interface which receives an input from the terminal; a memory for storing log data related to the input; and a processor for analyzing the log data. The processor generates a current graph having a plurality of edges and a plurality of vertices each having a vertex type from the log data, obtains, from the graph, an input vector including vertex feature information indicating the type of each vertex and edge feature information indicating the features of each edge, outputs a compression vector by inputting the input vector into a neural network learned by a previous graph, performs clustering on the compression vector and visually displays the clustering results.
Patent KR-20200103983-A (KR)
Title: Food pre-order system considering user's arrival time
Inventor: KIM SUNG HYUN
IPC: G06Q50/12
Filed: 2019-02-26
Abstract: The present invention relates to a food pre-order system considering an expected arrival time of a user, which includes: a service server configured to allow a user terminal to be connected by communication, receive information necessary for food reservation from the user terminal and provide the information to a terminal of a restaurant; an information providing unit for providing the terminal of the restaurant with an expected arrival time of the user to the restaurant, in which the time is obtained through information provided from the user terminal connected to the service server or from an external device; a cost payment unit configured to pay for the food reserved through the user terminal; a revenue calculation unit configured to settle an amount according to a predetermined ratio from a business operator of the restaurant with respect to expenses paid by the cost payment unit; and a database unit for storing data necessary to provide a service for the reservation of the food. According to the present invention, when the user reserves food at the restaurant, the user arrival time in consideration of the user moving speed is provided to the restaurant, so that the time of completion of food is fulfilled to the time of arrival of the user, and accordingly, the user is provided with food in an optimal condition. Particularly, the user in an express bus or the like at a rest area on an expressway easily eats the food within the departure time of the vehicle, and the restaurant operator cooks the food conveniently according to the arrival time of the user.
Patent KR-20190113663-A (KR)
Title: Compound and organic light emitting device comprising same
Inventor: JANG BOONJAE
IPC: H01L51/00
Filed: 2019-03-28
Abstract: The present specification provides a compound represented by chemical formula 1 and an organic light emitting device comprising the same. The compound described in the present specification can be used as a material of an organic material layer of the organic light emitting device. The organic light emitting device comprising the compound of the present invention can improve efficiency, lower driving voltage, and improve lifespan characteristics.
Patent KR-20200115914-A (KR)
Title: Scan Robot for Semiconductor Wafer Ion Implantation
Inventor: KIM CHANG YOUNG
IPC: H01L21/268
Filed: 2019-03-29
Abstract: The present invention provides an ion implantation scanning robot for a semiconductor wafer, comprising: an L1 shaft vertically coupled to one side of a first link and rotating the first link by operation of a first driving unit; an L2 shaft having a second link with the same length as that of the first link overlapped on the upper part of the first link and vertically coupled to the other side of the first link and one side of the second link overlapped therewith to rotate the second link by operation of a second driving unit; an R shaft having a support frame supporting a scan head to the upper part of the other side of the second link and vertically coupled to the other side of the second link and the center of the support frame to rotate the support frame by operation of a third driving unit; and a Y shaft horizontally coupled to the support frame to support both sides of the scan head and rotating the scan head by operation of a fourth driving unit. According to one embodiment of the present invention, a scalar motion to perform scanning in any appointed vertical direction is realized through motions of the L1 and L2 shafts, the incident angle of an ion beam can be constantly adjusted during a left-right scanning process through motion of the R shaft, and a beam channeling phenomenon occurring in a crystallization direction of a wafer is prevented and shading is prevented through motion of the S shaft, thereby providing an effect of increasing uniformity of ion beam implantation on a wafer. Moreover, all positions on the wafer are irradiated by an equidistance ion beam even during low-energy ion implantation with a high tilt angle, thereby providing the effects of significantly increasing doping uniformity on the wafer and satisfying a doping uniformity requirement of a next-generation semiconductor.
Patent KR-20200114724-A (KR)
Inventor: BAIK NAM JIN
IPC: E02D13/00
Filed: 2019-03-29
Abstract: According to the present invention, a pile hoisting device comprises: a ring-shaped holding part which is installed on an upper surface of a pile that has a hollow formed in a longitudinal direction and is desired to be hoisted, and which has a diameter relatively smaller than that of the hollow and has an outer diameter identical to the diameter of the pile; and a hoisting part which has a disc member that is formed to have an outer diameter identical to the diameter the hollow and formed to have a relatively smaller width than the inner diameter of the holding part because both sides of a disc-shaped plate are cut, is inserted into the hollow of the pile by passing through the inner diameter of the holding part while being inclined toward one side, and allows the perimeter of the upper surface of the plate to be held on a lower surface of the holding part, and a wire member which is adjusted so that the disc member is inclined or horizontally disposed, and which is connected to the disc member to be connected to a hoisting crane. Therefore, the pile hoisting device can quickly and safely hoist the pile for penetration into the ground to be inserted into a drilled hole of the ground at an early stage, thereby enabling accurate driving construction.
Patent KR-20200116330-A (KR)
Inventor: RYU JANG YOUNG
IPC: E06B3/263
Filed: 2019-04-01
Abstract: The present invention relates to a windows and doors system with excellent windproof and insulating performance and, more specifically, to a windows and doors system with excellent windproof and insulating performance, which comprises a window frame (100) including a pair of rails (110) on a floor surface and a T-shaped windproof member (200) installed on a bottom surface (121) between the pair of rails. Locking protrusions (112) are formed on an inner surface (111) of the pair of rails to face each other, so that a bottom surface (201) of the T-shaped windproof member is in contact with the bottom surface between the rails. Mohair (210) is provided on an upper surface (201) of the T-shaped windproof member. According to the present invention, the windproof and heat insulating performance is greatly improved by effectively blocking outside wind and cold air, installation of the windproof member is simply completed through insertion to facilitate construction, the windproof member is fixed without pieces to make exterior thereof clean and luxurious, and the windproof member is in close contact with the inner surface between the rails so that there is no limit to other use of inner and outer walls of windows and doors and the rails.
Patent KR-20200117415-A (KR)
Inventor: LEE GEUM SUK
IPC: G02B6/48
Filed: 2019-04-04
Abstract: The present invention relates to an optical fiber fixing method and to a measuring device using the same. The method comprises the steps of: (a) heating a fixing part to which an optical fiber is to be fixed to an object; and (b) melting the heated fixed part to form an uneven structure. By injecting an adhesive or a filler in the state where the fixing part having the uneven structure is placed in an insertion space formed in the object, a configuration for fixing the optical fiber to the object is provided to form irregularities in a part where the optical fiber is to be fixed and to firmly fix the optical fiber and the object using a mechanical coupling structure, so that slip between cladding and a cladding jacket can be prevented.
Patent KR-20200117467-A (KR)
Inventor: AN SANG GI
IPC: H02H7/085
Filed: 2019-04-04
Abstract: The present invention relates to an overload and overcurrent protection device for a hoist. The present invention implements the protection device by integrating, into one protection device, overload and overcurrent protectors which are respectively employed for safety when the hoist is driven, enables common detection to reduce the number of current sensing elements for detecting overload and overcurrent, and at the same time, integrates display and alarm circuits to reduce manufacturing costs. The overload and overcurrent protection device for a hoist comprises: a first current sensing element (CT11) and a second current sensing element (CT12) for sensing current of a hoist main motor (MM); a third current sensing element (CT13) and a fourth current sensing element (CT14) for sensing current of a traversing motor (TM); and a protection circuit unit (100). The protection circuit unit (100) includes: a control unit (130) which compares a current value input by a main motor current input unit (110) or a traversing motor current input unit (120) with a set value to determine overload or overcurrent of the main motor (MM) or the traversing motor (TM) and, when the overload or overcurrent is detected, outputs a driving limit or stop command of the main motor (MM) or traversing motor (TM) to a relay output unit (140); and the relay output unit (140) which includes a relay output port (P141) for interrupting the main motor (MM) and a relay output port (P142) for interrupting the traversing motor (TM), and outputs a relay drive signal to a corresponding port under the control of the control unit (130).
Patent KR-20190117385-A (KR)
Inventor: CONWAY HO
IPC: A61M21/00
Filed: 2019-04-05
Abstract: Apparatus and method for modulating mammalian brain activity are achieved by subjecting mammals to repetitive transcranial magnetic stimulation (rTMS) at variable pulsed intervals for a time sufficient to modulate brain activity. Physiological or clinical diseases can be alleviated. Diseases to be treated include, but are not limited to PTSD, autism spectrum disorders and Alzheimer′s disease. Wavelet transform analysis is used to determine the variable pulsed intervals.
Patent KR-20200118314-A (KR)
Inventor: LEE SEOKIN
IPC: B32B15/09
Filed: 2019-04-05
Abstract: According to an embodiment, a sheet includes an acrylic resin layer and a fluorinated polymer resin layer, and the form of an ultraviolet transmission spectrum of the sheet is controlled. Accordingly, the sheet has weather resistance to prevent discoloration and deformation from occurring due to heat, moisture, and UV, thereby representing excellent molding processability. Accordingly, the sheet is applicable to interior/exterior construction materials, in particular, a laminate steel sheet or a decorative sheet for a window frame.
Patent KR-20200120084-A (KR)
Inventor: SEUNG HUN PARK
IPC: B65D83/00
Filed: 2019-04-11
Abstract: The present invention relates to a rotary squeeze-type pouch container comprising a first cap which has a pouch accommodation space and a first push bar extended and formed on one side thereof; a second cap rotatably engaged with an upper side of the first cap and having a second push bar formed on one side thereof; and a pouch accommodated in the pouch accommodation space of the first cap while pressed by the first and second push bars, and having a discharge cap formed in the center thereof. As the first cap is rotated, the pouch is pressurized by the first push bar and the content is discharged. The rotary squeeze-type pouch container has a simple operation process.
Patent KR-20200121170-A (KR)
Inventor: KWON OH JIN
IPC: H04W4/02
Filed: 2019-04-15
Abstract: A method for determining a location of a user device in a vehicle environment may accurately determine a location of a user device in a BLE communication environment in a 2.4 GHz band greatly affected by environmental factors since at least one reference value is set in real time based on the number of BLE modules installed in a vehicle and installation locations and the location of the user device is determined by using at least one reference value set in real time, a location determination reference value (LOS value or NLOS value) determined according to a communication environment (LOS environment or NLOS environment) of the user device, and a reception intensity value of a BLE signal individually received by each BLE module.
Patent KR-20190042523-A (KR)
Title: Wafer supporting device and manufacturing method thereof and semiconductor-processing apparatus
Inventor: FUMITAKA SHOJI
IPC: H01L21/683
Filed: 2019-04-16
Abstract: A wafer supporting device for supporting a wafer thereon, configured to be installed in a semiconductor processing apparatus, includes: a base surface; and protrusions protruding from the base surface and having rounded tips for supporting a wafer thereon. The rounded tips are configured such that a reverse side of the wafer can be entirely supported by the rounded tips through point contact. The protrusions are substantially uniformly provided on an area of the base surface over which the wafer is placed, wherein the number (N) and the height (H [μm]) of the protrusions, as determined in use, satisfy following inequalities per area for a 300-mm wafer: (-0.5N + 40)<=H<=53; and 5<=N<=100.
Patent KR-20200123930-A (KR)
Inventor: CHAE WHI SUK
IPC: B01D46/42
Filed: 2019-04-23
Abstract: The present invention relates to a wet air purifier. Particularly, the present invention relates to a wet air purifier in which a plurality of filters are stacked in a filter unit, a cleaning solution is sprayed on the filter to form a cleaning solution water film on each filter, and thus air purification efficiency is improved by filtering contaminants contained in the air in turn by each of the cleaning solution water film while the contaminated indoor air passes through the filter unit. Also, the filter unit and a water tank storing the cleaning solution are configured to be stored in a main body, thereby ensuring easy maintenance and internal cleaning.
Patent KR-20190123241-A (KR)
Title: Method of preparing the stretchable substrate using 2 or more species oligomer, and method of preparing the flexible electronic device comprising the same
Inventor: PARK TAIHO
IPC: B29C41/00
Filed: 2019-04-23
Abstract: The present invention relates to a method of preparing a stretchable substrate, comprising the following steps of: (a) positioning a first mixture solution including a first oligomer and a first curing agent on a substrate; (b) forming a first part including the first oligomer and the first curing agent and a second part including a second oligomer and a second curing agent on the substrate by inserting a second mixture solution including the second oligomer and the second curing agent to the substrate or a predetermined part of the first mixture solution; and (c) preparing a stretchable substrate including a first curing polymer part and a second curing polymer part on the substrate by curing the first part and the second part. According to the present invention, by injecting a mixture solution including the second oligomer into a specific area of a mixture solution including the first oligomer to form the stretchable substrate, it is possible to maintain efficiency of a device since separation between a substrate and the device does not occur even after a repeated stretching when the stretchable substrate using two or more oligomers is used, which includes a pattern part formed to be hard by curing the substrate. Also, the stretchable substrate can be applied to various flexible electronic devices.
Patent KR-20190125196-A (KR)
Title: Display panel
Inventor: LO MIN HSIN
IPC: G09G3/32
Filed: 2019-04-24
Abstract: A display panel has a display area and a peripheral area disposed adjacent to the display area. The display panel includes a pixel array, a plurality of gate lines, a plurality of first wires, and a first gate driving circuit. The pixel array is disposed in the display area. The gate lines are coupled to the pixel array. The first wires are coupled to the pixel array. The first gate driving circuit is disposed in the peripheral area and is coupled to the pixel array through at least part of the first wires and at least part of the gate lines. In the display area, the gate line extends in a first direction, the first wire extends in a second direction, and the first and second directions are different from each other.
Patent KR-20200131422-A (KR)
Inventor: KIM DO YEONG
IPC: B65H81/06
Filed: 2019-05-14
Abstract: The present invention relates to a rotary winder for a glass fiber rebar. The rotary winder for a glass fiber rebar comprises: a winding plate having a through-hole which is formed through the center thereof and through which a core material passes; a first motor for rotating the winding plate; a coiling part having a raw yarn-wound winding reel mounted thereto, and installed on the winding plate to rotate together with or separately from the winding plate; and a second motor for rotating the coiling part. The coiling part coils raw yarn, and at the same time is wound while rotating about the core material by the winding plate, so as to form a pitch part.
Patent KR-20200133131-A (KR)
Inventor: PARK SUNG MIN
IPC: G04F10/00
Filed: 2019-05-17
Abstract: The present invention provides a distance measuring device which facilitates the design of an analog front end and has high accuracy. According to an embodiment of the present invention, the distance measuring device comprises: a transmission unit providing a pulse laser signal and a start signal at the same time; a reception unit detecting a reflection signal of the pulse laser and outputting a corresponding electric signal; an amplifier unit amplifying the electric signal and outputting a stop signal amplified to have a predetermined amplitude; and a time-digital converter which receives the start signal and the stop signal, detects a time difference between the start signal and the stop signal by performing coarse detection and fine detection, and outputs the corresponding digital code.