baber/WOPTO huggingface dataset:
Patent KR-20210026239-A (KR)
Title: Method and device for preventing unauthorized audio recording, and method and device for restoring original recording
Inventor: YOON JI WON
IPC: H04R17/00
Filed: 2019-08-29
Abstract: According to one embodiment of the present invention, a recording prevention method performed by a recording prevention device preventing unauthorized voice recording, includes the following steps of: transmitting original noise information to a user terminal agreeing with voice recording; generating an original noise within an audible frequency band based the original noise information; modulating the original noise into a set frequency set with a frequency band higher than the audible frequency band, through a modulator; and outputting the modulated original noise through an ultrasonic speaker. Moreover, according to another embodiment of the present invention, a method of restoring a recording through a recording restoration program installed in a user terminal includes the following steps of: receiving original noise information from a recording prevention device preventing recording; recording a noise outputted from the recording prevention device and a neighboring voice through a recorder of the user terminal; removing the noise from the voice recorded in the step by using the received original noise information; and storing the denoised voice.
Patent KR-20210031030-A (KR)
Title: Scan driver
Inventor: KIM JONG HEE
IPC: G09G3/32
Filed: 2019-09-10
Abstract: A scan driver includes first to p^th scan stages, wherein p is a natural number equal to or greater than 2. Of the first to p^th scan stages, an n^th scan stage includes first drive, second drive, and output circuits, wherein n is a natural number equal to or greater than 1 and equal to or less than p. The first drive circuit controls the voltage of a first drive node based on the voltage of a second drive node and an input signal, which is either a scan start signal or a previous carry signal. The second drive circuit controls the voltage of the second drive node based on a second clock signal and a first voltage. The output circuit outputs a first clock signal as a scan signal and a carry signal based on the voltage of the first drive node and outputs a second voltage as a scan signal and a carry signal based on the voltage of the second drive node. The first drive circuit includes a first transistor in which a gate electrode is connected to the second drive node, one electrode is connected to an input line providing an input signal, and the other electrode is connected to the first drive node.
Patent KR-20210032030-A (KR)
Title: rhombus type mesh heater
Inventor: PARK SANG GU
IPC: H05B3/03
Filed: 2019-09-16
Abstract: The present invention relates to a diamond-shaped heating element. In more detail, electrode wires which are conductors are configured at both ends of the diamond-shaped heating element. An electric resistance wire of the diamond-shaped heating element includes those arranged in a diamond-shaped structure.
Patent KR-20210032767-A (KR)
Title: indoor shoes for bathroom
Inventor: PARK CHUL MIN
IPC: A43B7/14
Filed: 2019-09-17
Abstract: The present invention relates to bathroom slippers. The slippers for walking in the bathroom enable a user to wear the slippers in either the forward or backward direction.
Patent KR-20210035383-A (KR)
Title: A platooning controlling Apparatus for controlling a braking based hitch angle, system having the same and method thereof
Inventor: KIM DONG HYUK
IPC: G05D1/02
Filed: 2019-09-23
Abstract: The present invention relates to a group driving control device for performing hitch angle-based braking control, a system including the same, and a method thereof. The group driving control device according to an embodiment of the present invention includes: a processor for controlling group driving, including one or more vehicles equipped with a trailer; and a storage unit for storing information for the group driving control. When braking control is required, the processor can control a hitch angle of the trailer mounted vehicle to satisfy a predetermined reference angle and then perform braking control.
Patent KR-20210036196-A (KR)
Title: Apparatus for treating substrate, method for treating substrate and nozzle unit
Inventor: HONG YONG HOON
IPC: H01L21/67
Filed: 2019-09-25
Abstract: The present invention provides an apparatus for treating a substrate. In an embodiment, an apparatus for treating a substrate includes: a support unit for supporting a substrate; a nozzle unit having a nozzle for supplying a liquid to the substrate. The nozzle is connected to a ground line, and a variable resistor is provided to the ground line. The substrate can be processed efficiently.
Patent KR-20210039749-A (KR)
Title: Composition including insulating oil for insulator, and insulator using the same
Inventor: PARK KYU HWAN
IPC: H01B9/00
Filed: 2019-10-02
Abstract: The present invention relates to a composition including insulating oil for an insulator, and an insulator manufactured by using the same. According to the present invention, the composition for an insulator comprises 50 to 90 wt% of polypropylene, 10 to 50 wt% of a styrene-based elastomer, and 2 to 8 wt% of insulating oil. The composition for an insulator is made as the insulator and then is coated on a conductor of a power cable by extrusion to form an insulating layer. Accordingly, the insulator is manufactured without a crosslinking reaction, so a crosslinking by-product does not occur, thereby providing an advantage that problems such as deterioration of insulation performance of a power cable do not occur. Moreover, due to an efficient mixing ratio of polypropylene and a styrene-based elastomer, mechanical properties are secured and extrusion processability is good.
Patent KR-20210040521-A (KR)
Title: Digital public address system enable to transfer power and digital signal
Inventor: KWON WOO CHEUL
IPC: H04H20/61
Filed: 2019-10-04
Abstract: The present invention relates to a digital public address system capable of simultaneously transferring power and digital signals, which is improved to operate an output device without using another external power source, operate a final output device with the same characteristics as those of a first output device, easily check whether there is an abnormality in equipment, and prevent product damage due to loss and line impedance by a cable. According to the present invention, the digital public address system comprises a plurality of output devices receiving audio and data signals from a main controller and configured to supply power. The main controller includes: an A/D converter converting a source or an audio signal into a digital signal when the source or the audio signal is input; an SMPS power supply unit provided to supply power to the output device; a first PLC control unit controlled to receive the source or audio signal from the AD converter and receive the power from the SMPS power supply unit and output the source or the signal and the power; and a voice/data/power transmission unit receiving the source or a voice signal and power controlled by the first PLC control unit to transmit the same to the outside. The main controller and the output device are connected through a UTP cable, and thus the voice or data signal and power controlled by the first PLC controller are transmitted and received simultaneously.
Patent KR-20210041711-A (KR)
Title: Gas fuel storage device for vehicle
Inventor: RYU BU YEOL
IPC: F17C13/04
Filed: 2019-10-08
Abstract: The present invention relates to a gas fuel storage device for a vehicle and, more specifically, to a gas fuel storage device for a vehicle, which can easily secure a gas fuel storage capacity and prevent interior marketability of the vehicle from deteriorating. Moreover, the gas fuel storage device for a vehicle comprises: a case disposed in a lower portion of a vehicle body; a partition wall unit disposed in an inner space of the case; a plurality of gas containers disposed in a plurality of storage spaces one by one; and a multi-valve provided on an outer side of the case.
Patent KR-20200063042-A (KR)
Title: A method for reducing intensity variations in a video image stream depicting a scene
Inventor: SEBASTIAN FORS
IPC: H04N5/355
Filed: 2019-10-18
Abstract: The present invention relates to a method (20) for reducing intensity variations in a video image stream depicting a scene, and a digital video camera (30). The method (20) comprises: a step (S202) of capturing a first frame (50) by using a first sensor setting; a step (S204) of detecting a change in intensity in a portion (590) of the first frame (50); a step (S206) of determining a second sensor setting based on the first frame (50); a step (S208) of capturing, by using the second sensor setting, a second frame (60, 70); a step (S210) of generating a local tone mapping mask wherein a local tone mapping in a first area of the scene is different from a local tone mapping in an area outside the first area, and the local tone mapping in the area outside the first area is based on a relation between the first sensor setting and the second sensor setting; and a step (S212) of applying the local tone mapping mask to the second frame (60, 70).
Patent KR-20210048843-A (KR)
Inventor: KIM HONG SUK
IPC: G01T1/38
Filed: 2019-10-24
Abstract: The present invention relates to an apparatus for detecting radionuclides and a method thereof, which are able to develop an additional algorithm which strengthens the peak value of an existing energy-weighted spectrum, determine radionuclides even under the conditions of a low measurement efficiency, and increase the accuracy of determination of radionuclides. In accordance with the present invention, the method for detecting radionuclides comprises: a step of receiving an input of energy generated in radioactive elements; a step of applying each energy as a weight for each channel of a spectrum of the energy inputted and calculating an energy weight coefficient (Cw); a step of detecting nuclides of radioactive elements based on the energy-weighted spectrum with the weight applied, making the X-axis as an energy value and the Y-axis as the energy weight coefficient (Cw) for the energy-weighted spectrum, comparing the energy value corresponding to the peak value of the energy-weighted coefficient (Cw) for the radioactive elements with the energy values of a Compton edge of the radioactive elements which are pre-set, and detecting the nuclides of the radioactive elements. The energy weight coefficient (Cw) satisfies the below formula. Cw = (C x E)nx Em (C: the photon coefficient collected for each channel, E: energy of each channel, n: a natural number of 2 or greater, m: a natural number of 1 or greater).
Patent KR-20200066169-A (KR)
Title: dryer
Inventor: SANGHUN BAE
IPC: D06F58/20
Filed: 2019-10-30
Abstract: The present invention relates to a dryer, and more specifically, to a dryer which dries an object in a rotating drum. According to one embodiment of the present invention, the dryer comprises: a case forming the appearance; a drum provided in the case and accommodating an object to be dried; and a driving unit provided to drive the drum and including a motor having a stator and a rotor. The case includes a rear case which forms the appearance at the rear of the dryer. The rotor is supported to be able to rotate by a coaxial axis and a rotational axis of the drum with respect to the rear case from the outside of the rear case. The stator is fixed to the rear case from the outside of the rear case. According to the present invention, provided is a direct connecting type dryer which can be easily manufactured.
Patent KR-20210055525-A (KR)
Title: System of preventing collision of vehicle using ultrasonic wave sensor
Inventor: KIM HO SEONG
IPC: G01S15/93
Filed: 2019-11-07
Abstract: The present invention relates to a vehicle collision prevention system using an ultrasonic sensor, which comprises: a detection sensor unit detecting an object by using an ultrasonic wave; a distance computation unit measuring a distance from the object; and a control unit braking a vehicle when the measured distance exceeds a threshold value. The ultrasonic wave is transmitted from a sensor mounted on a front side of a vehicle to sense the object, and the distance between the vehicle and the object can be measured.
Patent KR-20210055976-A (KR)
Title: Apparatus and Method for Improving Wave Prediction Model Accuracy by Advancing Correction of Wind Prediction Data
Inventor: YOO JESEON
IPC: G01W1/18
Filed: 2019-11-08
Abstract: The present invention relates to an apparatus for improving the accuracy of a wave-prediction model through the correction advancement of wind prediction data, capable of increasing the accuracy of a wave-prediction model by conducting a wave prediction numerical experiment based on wind data measured through a satellite during wave numerical modeling, and a method thereof. The apparatus includes: a marine buoy data DB building part collecting wave height and wind observation data of a target sea area and building a DB; a satellite data DB building part collecting wave height and wind velocity data observed through a satellite and building a DB; an atmosphere model past-prediction data DB building part building a wind data DB predicted through an atmosphere model and creating a correction map; an atmosphere model prediction real time calibration part performing atmosphere model past-prediction DB calibration; a wave model past-prediction data DB building part building a wave data DB predicted through a wave model and creating a correction map; a wave prediction real time calibration part performing wave prediction real time calibration by applying a wind prediction result of the advanced atmosphere model to a wind input scenario as input data for the operation of the wave model; and a wave model real time prediction data providing part correcting the real time prediction data of the wave model based on the satellite and marine buoy observation data to provide the same.
Patent KR-20200115014-A (KR)
Title: Finger gesture input and real-time repulsive force providing device using antebrachial muscles
Inventor: PARK JONG UK
IPC: G06F3/01
Filed: 2019-11-08
Abstract: The present invention relates to an apparatus for inputting a finger gesture and providing a repulsive force in real time by using antebrachial muscles, which allows a user to feel a sense of proximity through a tactile sensation in a virtual space. According to the present invention, the apparatus for inputting the finger gesture and providing the repulsive force in real time by using the antebrachial muscles includes: a position recognition unit (200); a motion detection unit (300); a forearm movement unit (400) including a linear middle-frequency movement unit (410) for generating a frequency to stimulate an unbending electrode so as to provide a repulsive force to a fingertip, an unbending electrode point (420), and a bending electrode point (430); a main processing unit (500); a movement processing unit (510) including a medium-frequency generator (510-1) and a power distributor (510-2); and a power supply unit (100).
Patent KR-20210058356-A (KR)
Title: Water treatment apparatus for purifing waste water using micro-bubbles
Inventor: MIN SEOK JIN
IPC: B01D61/14
Filed: 2019-11-14
Abstract: The present invention relates to a water treatment apparatus and, more specifically, to a water treatment apparatus which uses microbubbles to allow foreign substances in water, such as tap water, recycled water, sewage, and wastewater, to be treated to float on the water and be removed and uses a multistage filter to remove various harmful substances contained in the water to be treated so that the amount of dissolved oxygen is increased and the water to be treated is effectively purified. According to the present invention, the water treatment apparatus comprises: a first filter generating a spiral swirling flow in water to be treated supplied through a supply line to pre-treat and filter foreign substances by the difference in specific gravity; a cylindrical flotation tank into which the water to be treated pretreated by the first filter flows; a bubble water supply means connected to the flotation tank to supply bubble water to the inside of the flotation tank to allow foreign substances in the water to be treated introduced into the flotation tank to float on the surface; a second filter filtering foreign substances from the water to be treated flowing out of the flotation tank with a filter medium; and a third filter filtering the remaining foreign substances and microorganisms through a filtration membrane for the water to be treated filtered in the second filter.
Patent KR-20210058442-A (KR)
Inventor: PARK MOON SU
IPC: F16L9/133
Filed: 2019-11-14
Abstract: The present invention relates to a spiral steel-reinforced multi-pipe for a communication cable and a manufacturing method thereof. More particularly, the spiral steel-reinforced multi-pipe is capable of increasing resistance to earth pressure and other loads, received by being buried in the ground, and detecting a burial location accurately. In accordance with the present invention, a spiral steel-reinforced multi-pipe for a communication cable (100) comprises: a plurality of inner tubes (110) made of synthetic resin, and adjacent to each other, in contact with each other, and extended in parallel in the same direction, wherein each of the plurality of inner tubes has a space which can contain a cable; a single outer pipe (120) made of synthetic resin, and surrounding an outer surface of the inner tubes (110); and a spiral reinforcing steel material (130) inserted and disposed in a longitudinal direction between the outer surfaces of the inner tubes and an inner surface of the outer tube.
Patent KR-20210059137-A (KR)
Inventor: JEONG JAEWON
IPC: B22F5/00
Filed: 2019-11-14
Abstract: A purpose of the present invention is to provide a yokeless stator for an axial magnetic flux motor and a manufacturing method thereof. To achieve the purpose, the yokeless stator for an axial magnetic flux motor includes: a hollow stator core formed by being extended in a vertical direction; a shoe formed at an end in an extended direction of the stator core to be integrated with the stator core; and an electric steel sheet segment inserted into the hollow stator core, and formed by stacking a plurality of electric steel sheets having the same width or different widths, wherein electric steel sheets having the same width form a block, thereby having a multiblock structure, wherein an inner surface of the stator core is formed to correspond to an outer surface of the electric steel sheet segment having a multiblock structure, and the shoe is formed by being projected outward from the stator core to every side in a horizontal direction. Also, a manufacturing method thereof is provided. According to the present invention, the efficiency of a motor can be considerably improved by reducing a core loss caused by an eddy current generated to a stator of an axial magnetic flux motor.
Patent KR-20210063998-A (KR)
Title: Augmented reality providing server and Method for playing content based on augmented reality using the same
Inventor: YOON SEOK HEE
IPC: G06T19/00
Filed: 2019-11-25
Abstract: The present invention relates to an augmented reality providing server and a method for playing content based on augmented reality using the same. The method includes the steps of: a) when real image information including a target is obtained from a camera provided in a user terminal in real space, analyzing a sensor provided in the user terminal and the real image information to recognize the surrounding environment of a user, and determining the location and direction of the user terminal; b) establishing one or more virtual screens between the user terminal and a target after establishing a virtual space based on the surrounding environment of the user; c) performing a location correction algorithm for correcting the location between the virtual screen and the camera according to the location and direction of the user terminal, and reflecting a final location correction distance value corrected by the location correction algorithm to determine the location of the virtual screen; and d) playing the real image on the virtual screen whose real-time location changes according to the location and direction of the user terminal, and providing augmented reality content to be displayed and overlaid on the real image in the virtual space. The location correction algorithm sets a target distance between the target and the camera, and applies size information of the virtual screen and parameter information of the camera based on the set target distance to derive a location correction distance value between the camera and the virtual screen according to the target distance. The purpose of the present invention is to provide augmented reality content in a virtual space except for a virtual screen while playing a real image acquired through a camera on the virtual screen.
Patent KR-20210065340-A (KR)
Title: RTV system having contactless type power supply
Inventor: KIM JI MAN
IPC: H02J50/10
Filed: 2019-11-27
Abstract: The present invention relates to an RTV system of a noncontact power supply method. According to an embodiment of the present invention, the RTV system has a magnet on an RTV to run on a rail through thrust by an electromagnetic field generated by coil modules periodically arranged on the rail to transfer or load cargo by driving a feeding conveyor of the RTV by using the electromagnetic field generated by the coil modules. Accordingly, power is supplied to the RTV in a wireless noncontact manner to be applied to a loop rail, a curved rail, etc. regardless of the shape of a rail. Concern for a contact defect of a collector arm, wear of a cable bearer, disconnection, etc. is eliminated. The system can be conveniently constructed without danger by electrical contact. Construction costs can be reduced by allowing the RTV to receive power by using the coil modules arranged on the rail to drive the RTV by a moving magnet-type linear motor method instead of additionally installing a separate power supply device to supply power to the RTV.
Patent KR-20200002718-A (KR)
Inventor: BANG KI DOK
IPC: H02N11/00
Filed: 2019-12-02
Abstract: The present invention relates to a rotational power increasing device. At three-point forces of an A-point basic force ring 45-9°, the 9° inner force is 37° ÷ 72°, 72° × 37 ÷ is a C-point, an x-point is 25°, 146° is 180°, C-point × a moving force is the joint force of the C-point 9° outer force and 9° inner force, the joint force of 25° × 25° × 25° is 25, × lift force is × force ÷ 64°, one position travel force is 140 mm use tension, and net 16269600000 kg ÷ iron tension 4218 kg is calculated as 51429 HP from 1 kg of iron. The generated force is increased by rotation.