baber/WOPTO huggingface dataset:
Patent KR-20200088036-A (KR)
Title: Apparatus and method for PAPR reduction in polar-coded OFDM communication systems
Inventor: PARK HYUNCHEOL
IPC: H04L25/03
Filed: 2019-01-14
Abstract: A transmitting apparatus of an orthogonal frequency division multiplexing (OFDM) communication system to which a polar code is applied and a method of reducing a peak-to-average power ratio (PAPR) of the same are provided. According to the present invention, the method of reducing a PAPR of the OFDM communication system to which a polar code is applied comprises the steps of: defining a set of a plurality of different frozen data blocks; generating a plurality of OFDM signals including the same information for each set of the plurality of different frozen data blocks but having different types; and selecting a signal having the minimum PAPR for the plurality of OFDM signals having different types and transmitting the signal using selective mapping (SLM).
Patent KR-20190111736-A (KR)
Inventor: LEE DU HYUN
IPC: G02B5/30
Filed: 2019-01-14
Abstract: Provided is a spatial filtering apparatus, which includes a composite filter unit. The composite filter unit includes first filter patterns having a first phase profile and second filter patterns having a second phase profile. The first filter patterns and the second filter patterns overlap each other, and first light having a first polarization direction is first spatially filtered by the first filter patterns, and second light having a second polarization direction is second spatially filtered by the second filter patterns.
Patent KR-20200093303-A (KR)
Title: Polyolefin
Inventor: LEE SUNG MIN
IPC: C08F210/16
Filed: 2019-01-28
Abstract: The present invention relates to a polyolefin. More particularly, the present invention relates to a polyolefin which has excellent drop impact strength and is capable of exhibiting improved transparency.
Patent KR-20200093978-A (KR)
Title: Mode Switching Method of Global Navigation Satellite System receiver applying Multi-Satellite Based Augmentation System
Inventor: HWANG NAMEUNG
IPC: G01S19/20
Filed: 2019-01-29
Abstract: The present invention relates to a mode switching method of a global navigation satellite system (GNSS) receiver to which a multi-satellite-based correction system is applied. The mode switching method comprises the steps of: receiving satellite signals and satellite navigation correction information; and determining the number of tracking satellites which can be corrected using the satellite navigation correction information among the tracking satellites transmitting the received satellite signals, and determining whether entering an SBAS correction information application mode is possible based on the number of the tracking satellites.
Patent KR-20200094920-A (KR)
Title: An optical cable connection box having a repeater
Inventor: IM CHAE HYEON
IPC: G02B6/44
Filed: 2019-01-31
Abstract: The present invention relates to an optical cable connection enclosure. More specifically, provided is the optical cable connection enclosure which not only reduces the weight and volume of the connection enclosure due to the expansion of an optical cable line or the laying of a repeater including an optical amplifier or an antenna and improves the appearance, but also improves workability. According to the present invention, the optical cable connection enclosure can easily and quickly perform the installation work by installing in an existing optical cable enclosure for laying a repeater with an antenna or a repeater with an optical amplifier.
Patent KR-20200097428-A (KR)
Inventor: KIM TAE YOUNG
IPC: A23L2/38
Filed: 2019-02-08
Abstract: The present invention relates to: a method of cultivating filamentous fungi in grains in order to develop a food that is easy to eat while maintaining inherent flavors of the grains (time for soaking in water and draining water, an inoculation amount of seed malt, and cultivation temperature and time); a pretreatment method of raw materials for improving flavors and increasing saccharification efficiency; and a method for producing a grain fermented beverage having functionality and nutrition derived from grains and microorganisms and being most suitable for preference by varying production conditions such as saccharification conditions for producing a fermented beverage.
Patent KR-20200097571-A (KR)
Inventor: LEE SEUNG JUN
IPC: H04W4/02
Filed: 2019-02-08
Abstract: The present invention relates to an online-to-offline marketing platform for based on a customer′s behavioral pattern in an offline store which uses a smartphone carried by a customer. More specifically, the present invention relates to a systemized O2O marketing platform, which uses a smartphone carried by a specific customer in an offline store to collects information related to behavior patterns and quantifies the collected information based on a location positioning device and a customer location in the store obtained by the location positioning device, and performs an operation of providing quantified customer behavior pattern information to an advertiser and providing a certain portion of an advertisement fee received from the advertiser to the corresponding offline store. In addition, since the present invention can utilize a visitor′s smartphone as a targeting advertisement channel, it is possible to use data-driven marketing, so sales in offline stores and online sales can be expected simultaneously.
Patent KR-20190017854-A (KR)
Inventor: JANG KU IL
IPC: A61B6/00
Filed: 2019-02-12
Abstract: Disclosed is a mobile X-ray imaging apparatus having an improved structure to prevent breakage of or damage to an X-ray detector. By installing at least one damping unit on a bottom plate of at least one slot, the impact on an X-ray detector may be minimized in a process of accommodating the X-ray detector in at least one slot.
Patent KR-20200101607-A (KR)
Title: A hook with a mechanical crash prevention device during wire break of a single wire type hoist
Inventor: LEE IK HWAN
IPC: B66D1/54
Filed: 2019-02-20
Abstract: The present invention relates to a hook, and more particularly, to a hook formed to prevent fall when a wire is broken, which comprises: a hook formed to hang, ascend and descend a load body to move the same as a single wire type hoist ascends and descends by winding and unwinding a wire; and a drum-type sheave for smoothly unwinding and winding the wire by being rotated while the load body is hung by the hook to be lifted and lowered. The hook of the present invention further comprises: wire pressing units (112-1, 112-2) formed to prevent falling of the hook by pressing the wire by being mechanically operated by a sudden increase in rotational speed of the sheave when the wire is broken; and compression springs (1111, 111-2) operated to provide a pressing force during a pressing operation of the wire pressing units (112-1, 112-2).
Patent KR-20200101692-A (KR)
Title: Method for producing surface-modified nanocellulose, and nanocellulose thereof
Inventor: LEE HEE CHEONG
IPC: B82Y30/00
Filed: 2019-02-20
Abstract: The present invention relates to a method for producing surface-modified nanocellulose, and more particularly, to a production method for providing surface-modified nanocellulose by making nanocellulose having a hydrophilic surface due to a hydroxyl group (-OH) react with a hydrophobic silane compound. The method of producing surface-modified nanocellulose according to the present invention may provide nanocellulose in which the surface of the cellulose is modified to have hydrophobicity from hydrophilicity by mixing and stirring cellulose and a silane compound.
Patent KR-20200102152-A (KR)
Inventor: HAN SEON KYOUNG
IPC: G06F3/01
Filed: 2019-02-21
Abstract: The present invention relates to a communication assistance service system using a mobile communication terminal. The communication assistance service system comprises at least one communication assistance means, a mobile communication terminal, and a communication assistance management server. According to the present invention, impaired people who have difficulties in making expression by speaking can actively communicate with non-impaired people.
Patent KR-20190107270-A (KR)
Title: Organic light emitting device
Inventor: KIM SUNG BUM
IPC: H01L51/00
Filed: 2019-02-22
Abstract: The present invention relates to an organic light emitting device having excellent brightness, driving voltage, and response speed characteristics. The organic light emitting device comprises: a first electrode; a second electrode facing the first electrode; and an organic layer interposed between the first and second electrodes and including an emission layer.
Patent KR-20200105178-A (KR)
Inventor: MOON JONG BAE
IPC: H04N21/242
Filed: 2019-02-28
Abstract: The present specification discloses a virtualization system and a data processing method thereof. According to one embodiment of the present invention, the virtualization system comprises: a virtualization server which provides a virtual desktop; and a client, wherein the virtual desktop configures screen information from which a video source area is excluded to transmits the same to the client, transmits a video source area processing request signal to an external source, and controls the video source data processed in the external source according to the request to be transmitted to the client, when receiving a high-definition video streaming service request from the client.
Patent KR-20200109144-A (KR)
Title: Fabricated table
Inventor: CHO HEE MAN
IPC: A47B13/00
Filed: 2019-03-12
Abstract: Disclosed is a fabricated table. The fabricated table comprises: a left partition unit including a left plate, a right plate hinged to a right side of the left plate so as to be foldable, a left fastening unit coupled to a left side of the left plate, and a right fastening unit coupled to a right side of the right plate; a right partition unit including a left plate, a right plate hinged to a right side of the left plate so as to be foldable, a left fastening unit coupled to a left side of the left plate, and a right fastening unit coupled to a right side of the right plate; and legs detachably fixed to the left or right partition units. When the left fastening unit and the right fastening unit of the left partition unit are respectively fastened with the right fastening unit and the left fastening unit of the right partition unit, the left partition unit and the right partition unit are fixed to each other. When the fastening is released, the left partition unit and the right partition unit can be separated from each other and moved.
Patent KR-20200118547-A (KR)
Inventor: NAH SEONG KYE
IPC: F21V23/04
Filed: 2019-04-08
Abstract: A track suspended aviation obstacle light device of the present invention comprises: a suspended case with an upper part clamped to a line; a rectangular ring-shaped core part which is accommodated in an inner space of the suspended case, and is detachably coupled so that the line passes through an inner cavity part; a coil wound on the core part to be magnetically coupled to the line; a shunt core part arranged between the line and the part wound by the coil in the inner cavity part of the core part; a circuit part which is accommodated inside the suspended case, and generates an operating voltage by current induced in the coil; and a light emitting unit which is installed at a lower end of the suspended case, is driven by the operating voltage generated by the circuit part, and emits display light at 360 degrees to a horizontal plane substantially parallel to the line. Therefore, the suspended aviation obstacle light device which is adaptive to a change in the magnitude of the current flowing through the line is provided.
Patent KR-20200121035-A (KR)
Inventor: KIM JOO YOUNG
IPC: C02F1/70
Filed: 2019-04-15
Abstract: The present invention provides a new funnel and gate type water permeable reactive wall system and a method for purifying groundwater pollution using the same. In the water permeable reactive wall system of the present invention, a water permeable reactive wall exhibits an effect of easily replacing a reaction medium. In addition, the method for purifying groundwater pollution can economically purify the groundwater pollution since maintenance and repair are easy by using the water permeable reactive wall system according to the present invention, while exhibiting excellent pollution purification abilities even when a reaction medium with low water permeability is used.
Patent KR-20200123919-A (KR)
Inventor: SO JAE CHOON
IPC: C25F1/06
Filed: 2019-04-23
Abstract: The present invention relates to a bubble-free alkaline degreasing agent which can be used without limitations under a temperature condition of 15°C or higher in a degreasing process for cleaning steel sheet surfaces among manufacturing processes of a steel company for producing painted (color) steel sheets and plated steel sheets produced by a variety of plating and painting on cold-rolled steel sheet surfaces as well as cold-rolled steel sheets becoming materials of exterior materials of automobiles and home appliances, and does not create bubbles like water. The alkaline degreasing agent is used in a degreasing process of removing oil components such as rolling oil and other remaining contaminants attached to material surfaces passing through a cold-rolling process in a cold-rolling factory and rust preventive oil coated on steel sheet surfaces by a preprocessing process when carrying out electroplating or hot dipping and painting in a plating factory and a painting factory. The components and composition of the alkaline degreasing agent include 10-25% of sodium hydroxide or potassium hydroxide, 0.5-1.5% of butyl-end-capped fatty alcohol ethoxylate having a specified chemical constitutional formula as in figure 4, 3-10% of C3-C9 carboxylic acid methyloxirane polymers, 3-5% of glycolic acid ethoxylate octyl ether, 5-15% of 1,4-butanediol, and 1-5% of EDTA-4Na which is a chelate agent to have a bubble suppression function and an excellent degreasing capability even at a low temperature of 15°C or higher.
Patent KR-20200018219-A (KR)
Title: Moving robot and contorlling method thereof
Inventor: KO KYOUNGSUK
IPC: B25J19/00
Filed: 2019-04-30
Abstract: Disclosed are a moving robot and a control method thereof which can efficiently set a docking path. According to the present invention, the moving robot is driven in an area where a charging station is installed. The moving robot comprises: a driving unit to rotate or move a main body; a power supply unit to supply power to the main body; a communication unit to transceive signals with the charging station; a memory to store coordinate information of a point at which the main body moves by a reference distance while coming in contact with the charging station; and a control unit to output a control command to return to the charging station based on a state of the power supply unit while the main body is driven in the area. The control unit responds to outputting the control command to check a position of the charging station from a current position of the main body based on a first signal transmitted from the charging station and a second signal transmitted by the communication unit, and controls the driving unit to move the main body to a position corresponding to the stored coordinate information. Also, the control unit calculates a rotating angle to dock onto the charging station based on the first signal and the second signal when the moving robot reaches the position corresponding to the stored coordinate information, and controls the driving unit to rotate a head of the main body in accordance with the calculated rotating angle.
Patent KR-20200133592-A (KR)
Inventor: SEO MYOUNG SEOK
IPC: G08B25/01
Filed: 2019-05-20
Abstract: The present invention relates to a prefabricated type automatic disease control sterilization device for small vehicles and large vehicles, which can be used on roads in emergency situations. More specifically, the present invention relates to an automatic disease control vehicle sterilization apparatus having a vehicle detection automatic operation function which is designed and manufactured to enable emergency installation and disease control in emergency situations, in which internal stainless steel of a sterilization container, a lower part of a vehicle and a side sterilization unit, a heating wire and an insulation material of a pipe are installed, and an emergency telephone generator with alarm output, a large vehicle sensor, and a water container low water level sensor are further installed to promote prevention of freezing, excessive ejection, and disease control deterioration. For the same, in the present invention, as a one-chip microcomputer, a main controller is installed with a vehicle entry sensor, a vehicle out sensor, a large vehicle sensor, and the water container low water level sensor through a sensor input driver connected to an input unit, separately. In an output unit, a heater on/off unit, an alarm output unit, and a three-phase AC 380V disinfectant pump driver are each connected to operate heaters on the side or bottom of the vehicle, the emergency telephone generator with alarm signals, and multiple array nozzles on the side or lower part of the vehicle according to the operation of a disinfecting fluid pump. In addition, for the other output units, a high solenoid driver, a water solenoid driver, a lamp driver, an air solenoid driver, a feedback solenoid driver, and a feedback pump driver are separately connected to operate a high solenoid of the large vehicle, a water solenoid of a small vehicle, multiple LED bar lamps, an air solenoid to a compressor, a feedback solenoid of suction of residual disinfecting fluid, and the feedback pump, respectively.
Patent KR-20190060736-A (KR)
Title: Semiconductor device
Inventor: UMEZAKI ATSUSHI
IPC: H01L27/12
Filed: 2019-05-23
Abstract: The present invention is to provide a semiconductor device which can operate stably even when a transistor thereof is a depletion transistor. According to an aspect of the present invention, the semiconductor device comprises a first transistor for supplying a first potential to a first wiring, a second transistor for supplying a second potential to the first wiring, a third transistor for supplying a third potential at which the first transistor is turned on to a gate of the first transistor and stopping supplying the third potential, a fourth transistor for supplying the second potential to the gate of the first transistor, and a first circuit for generating a second signal obtained by offsetting a first signal. The second signal is input to a gate of the fourth transistor. The minimum value of the second signal is a value lower than the second potential.
Patent KR-20190138584-A (KR)
Title: Method and device for processing information
Inventor: CHOUDHURY MAINAK
IPC: G06F16/903
Filed: 2019-05-28
Abstract: The present invention relates to a method for processing information by using an Internet of Things (IoT) device. The method for processing information by using an IoT device, performed by an image processing device, comprises the steps of: receiving a web search query from a user; retrieving context information of at least one IoT device related to the web search query; automatically generating a synthetic web search query that includes a web search query and context information of the at least one IoT device; and determining to control the at least one IoT device by using a search result for the synthetic web search query.
Patent KR-20200136714-A (KR)
Title: Light radiator for whitening teeth
Inventor: KANG HO YEON
IPC: A61B5/00
Filed: 2019-05-28
Abstract: The present invention relates to a light irradiator for whitening teeth, and more specifically, to a light irradiator for whitening teeth, which can irradiate blue LED light only when a mouthpiece unit is positioned in the oral cavity. The present invention exhibits the following effects. That is, according to the present invention, the blue LED light can be irradiated only when the mouthpiece unit is placed in the oral cavity, thereby preventing a problem that the blue LED light is irradiated in an environment other than the oral cavity to damage a human body.
Patent KR-20200139417-A (KR)
Title: Long width secondary battery
Inventor: YUN JEONGHYEON
IPC: H01M2/26
Filed: 2019-06-04
Abstract: The present invention relates to a long-width secondary battery additionally providing a current movement path to reduce resistance and, more specifically, to a long-width secondary battery providing a movement path of current generated from a second electrode assembly through a positive electrode conductive member, and providing a movement path of the current generated from a first electrode assembly through a negative electrode conductive member, thereby reducing the resistance of the long-width secondary battery.
Patent KR-20200139531-A (KR)
Inventor: YOO JEYUN
IPC: B60B27/00
Filed: 2019-06-04
Abstract: The present invention relates to a hub with easy balancing during the eccentric moving of a vehicle wheel, which is used for vehicle wheels, and, more specifically, to a hub with easy balancing during the eccentric moving of a vehicle wheel, capable of reducing outer diameter variations of an inner wheel. According to the present invention, the hub with easy balancing during the eccentric moving of a vehicle wheel includes: a cylindrical hub body in which an inner wheel coupling part where an inner wheel is placed is formed, and including a hollow part; an orbital forming part extended in the inner wheel coupling part of the hub body, having the same outer circumference surface as the hub body, and having a thinner thickness than the hub body as the inner surface of a connection part with the hub body is stepped; and a plurality of ribs provided radially on the inner surface of the connection part of the hub body and the orbital forming part. According to the present invention, outer diameter variations of an inner wheel after the orbital forming of a hub can be reduced, manufacturing errors can be considerably reduced, and eccentricity occurs relatively fewer times.
Patent KR-20200141673-A (KR)
Inventor: KWAK JAE HYUCK
IPC: G06F3/0346
Filed: 2019-06-11
Abstract: The present invention relates to a method for dynamically setting an encoding area and providing a partial screen corresponding to an encoding area of the entire screen as a virtual screen to a user terminal, and a device therefor. According to an embodiment of the present invention, the method for providing a virtual terminal to a mobile terminal in a computing device comprises the steps of: encoding a partial screen of the entire screen displayed on a screen of the computing device; transmitting the encoded data as virtual screen data to the mobile terminal; receiving collected data from the mobile terminal, and calculating a degree of change of a virtual screen using at least one piece of the collected data and information on a window displayed on the full screen; determining whether it is necessary to change a size of an encoding area based on the degree of change; and changing the size of the encoding area according to the determination result.
Patent KR-20200018230-A (KR)
Title: Method and system for preventing leakage of surveyor information based on virtual code
Inventor: YOO CHANG HUN
IPC: G06Q20/40
Filed: 2019-06-24
Abstract: Provided are a method for preventing a leakage of survey author information based on virtual code, and a system thereof. The method for preventing a leakage of survey author information based on a virtual code comprises the steps of: receiving a first virtual code generated based on an identification code from a survey author terminal, from a survey author contact server; receiving a second virtual code generated based on a specific identification code from a manager terminal, after the survey is completed; generating a virtual chat space matched to the identification code based on the first virtual code or the second virtual code; and inputting a message received from the manager terminal or the survey author terminal in the virtual chat space searched based on the first virtual code or the second virtual code.