baber/WOPTO huggingface dataset:
Patent KR-20210105544-A (KR)
Inventor: OH MIN KYU
IPC: F24F6/00
Filed: 2020-02-19
Abstract: The purpose of the present invention is to perform heat exchange, etc. by inhaling air in a wider area inside a space where an air management device has been installed. The present invention is an air management device. A housing (10) mounted on the floor in a living space has the shape of a hexahedron elongated in a lateral direction. A plurality of legs (18) are installed on the bottom plate (11) of the housing (10) to make the bottom plate (11) of the housing (10) spaced by a predetermined interval from the floor in the living space. Members constituting the outer appearance of the housing (10) are wood or have the shape of wood. The upper plate (14) of the housing (10) is a quadrangular plane. An inducting hole (12') is formed on a side plate (12) constituting both side surfaces of the housing (10) to induct air inside the living space into the housing (10). A first space (22) and a second space (24) are at both sides of the inside of the housing (10) to be partitioned from an air flow path (102) in the middle of the housing (10).
Patent KR-20210108139-A (KR)
Title: PbS quantum-dot having subnanometer size and Manufacturing method thereof
Inventor: IN SU IL
IPC: B82Y40/00
Filed: 2020-02-25
Abstract: The present invention relates to a sub-nanometer-sized lead sulfide quantum dot and a method for manufacturing the same, and specifically, to a method for manufacturing a lead sulfide quantum dot through a low-temperature synthesis method, and an amorphous lead sulfide quantum dot having a sub-nanometer diameter manufactured by the method. The present invention can efficiently obtain quantum dots.
Patent KR-20210108556-A (KR)
Title: a composite stretching apparatus that acts on the back, chest, and neck at the same time.
Inventor: KIM HOI KON
IPC: A63B21/00
Filed: 2020-02-25
Abstract: The present invention relates to an apparatus for simultaneously stretching the three parts of the human body (back, chest, and neck), wherein the apparatus supports the upper body at a certain tilt angle in the supine (lying-on-back) position. Accordingly, when a user comfortably lies on his/her back having the apparatus placed at the lower side of his/her upper body, the back is curved backward, keeping the chest open and the head tilted backward, thereby providing a complex stretching function that simultaneously works on the back, chest, and neck.
Patent KR-20210057640-A (KR)
Title: package device for heat dissipation and manufacturing method of the same
Inventor: SEOK HWAN MOON
IPC: H01L23/427
Filed: 2020-03-04
Abstract: According to the present invention, disclosed are a heat dissipation package device and a manufacturing method thereof. The device comprises: a package substrate having a lower groove; a chip substrate having an upper groove arranged in the lower groove; a first cooling pipe arranged in the lower groove and the upper groove; and a second cooling pipe arranged in the first cooling pipe, wherein the second cooling pipe has a different shape from a shape of the first cooling pipe.
Patent KR-20210112483-A (KR)
Title: Water Purification System Using Photovoltaic Power Generation
Inventor: KIM HYUNG SOO
IPC: C02F1/42
Filed: 2020-03-05
Abstract: The present invention relates to a water purification system using photovoltaic power generation, which secures drinking water in remote areas where electricity and purified water are not available. According to the present invention, the water purification system comprises: a power supply unit including a photovoltaic unit including a solar cell panel, a power storage unit storing a current generated from the photovoltaic unit, a current conversion unit converting and supplying the current generated by the photovoltaic unit, and a selective supply unit capable of selectively supplying the current generated from the photovoltaic unit to at least one of the power storage unit and the current conversion unit; a water purification unit receiving power from at least one of the current conversion unit and the power storage unit and including a water pipe through which water is moved, a contaminant removal unit removing solid contaminant from the water introduced through the water pipe, and a purified water storage tank in which water from which contaminants have been removed from the contaminant removal unit is discharged and stored; and a control unit controlling the selective supply unit to supply the current generated from the photovoltaic unit to at least one of the power storage unit and the current conversion unit on the basis of a predetermined time and a predetermined weather.
Patent KR-20210083146-A (KR)
Title: Method and Device for Controlling Inverter of Interior Permanent Magnet Synchronous Motor
Inventor: PARK JIN HO
IPC: H02P27/06
Filed: 2020-03-26
Abstract: Disclosed are a device for controlling an inverter of an embedded permanent magnet synchronous motor, capable of ameliorating a long over-modulation time and low voltage utilization rate of weak magnetic flux control that adjusts a d-axis reference current in a negative direction, and an operation method thereof. According to one aspect of the present invention, the device for controlling an inverter, in a device for controlling an inverter of a synchronous motor, includes: a current controller which generates a reference voltage according to a dq-axis reference current; a modulator which generates an over-modulation signal and modulating the reference voltage over a hexagon of a space voltage vector diagram when the speed of the synchronous motor reaches a first reference speed; a d-axis current compensator which adds a compensating reference current to a d-axis reference current of the dq-axis reference current according to the reference voltage and the over-modulation signal; and a PWM signal generator which generates a pulse-width modulated signal based on the reference voltage modulated by the modulator and a carrier wave to apply the pulse-width modulated signal to an inverter.
Patent KR-20210122348-A (KR)
Title: Digital microphone interface circuit for voice recognition and including the same
Inventor: LEE SUNG NO
IPC: H04R3/00
Filed: 2020-03-30
Abstract: Disclosed is an electronic device comprising an audio processing block for voice recognition in a low-power mode. The electronic device comprises: a digital microphone that receives a voice signal from a user, and converts the received voice signal into a PDM signal; and a DMIC interface circuit. The DMIC interface circuit comprises: a PDM-PCM converting block that converts the PDM signal to a PCM signal; a max scale gain tuning block that adjusts a max scale gain of the PCM signal received from the PDM-PCM converting block based on a previously obtained distance between the user and the electronic device; and an anti-aliasing block that performs filtering for obtaining the voice data of a target frequency band for the PCM signal outputted from the max scale gain tuning block. Therefore, the present invention is capable of allowing a voice recognition rate of the electronic device in the low-power mode to be increased.
Patent KR-20210121619-A (KR)
Inventor: KYE YOUNG SUN
IPC: G06Q50/10
Filed: 2020-03-31
Abstract: Disclosed are a system for providing an online wedding event agency service, which is connected to at least one wedding-related company terminal and a bride-to-be terminal through a network, and a method thereof. The system includes: a database unit for storing wedding-related company information, bride-to-be information, product information, payment information, event information, and advertisement information; and a server which authenticates a wedding-related company terminal when the wedding-related company terminal accesses the server with reference to the database unit, grants the right to advertise the products of a corresponding company to an online platform, and allows the bride-to-be terminal to access the server and apply for the event registered by a wedding-related company. In an embodiment of the present invention, the wedding-related company can easily advertise the product or sell the same after an event is in progress, and allows the bride-to-be to conveniently apply for an event, thereby purchasing a wedding-related product.
Patent KR-20210125348-A (KR)
Title: Low temperature process for bio-gas reforming
Inventor: JEONG MYEONG HA
IPC: C01B3/58
Filed: 2020-04-08
Abstract: According to one embodiment of the present invention, provided is a low-temperature process for bio-gas reforming. The low-temperature process for bio-gas reforming comprises: a first step of introducing a mixture gas including a biogas into a reactor; and a second step of reforming the mixture gas using a catalyst compound to produce a reformed gas. The reformed gas contains methane in an amount greater than that of methane contained in the mixture gas. At least a part of the methane contained in the mixture gas is reformed into a C2 to C4 hydrocarbon compound. The second step is carried out at a temperature of 550-850℃, and the catalyst compound is a metal oxide catalyst including at least one selected from the group consisting of Sr, Ti, La, and Al, or a metal oxide supported catalyst including at least one selected from the group consisting of Na_2WO_4 and Mn.
Patent KR-20210132436-A (KR)
Title: Method of on-line sales promotion
IPC: G06Q30/02
Filed: 2020-04-27
Abstract: The present invention relates to a BTL promotion operation management process method. The BTL promotion operation management process method immediately and directly provides a product for a test to a plurality of members by using a short message service (SMS) of a mobile phone based on local logistics bases such as chain convenience stores and the like.
Patent KR-20210136263-A (KR)
Title: System for Trading of Agricultural Product based on the Internet
IPC: H04W4/35
Filed: 2020-05-07
Abstract: The present invention relates to a direct agricultural product trading system through the internet which comprises: a communication unit for communicating with at least one producer terminal; and a control unit configured to check a matching condition related to the producer terminal if a matching request signal is received from the producer terminal and match at least one purchaser terminal with the producer terminal according to a selection signal received from the producer terminal in a purchaser list corresponding to the matching condition to form a cooperative relationship. Other embodiments are also applicable.
Patent KR-20210136736-A (KR)
Title: Plating wastewater purification treatment system using metal oxidation water
IPC: C02F101/18
Filed: 2020-05-08
Abstract: The present invention relates to a device and a method for purifying plating wastewater using metal oxide water, and more specifically, to a device and a method for treating cyanide contained in plating wastewater through a one-step reaction.
Patent KR-20210138391-A (KR)
Title: Aerosol generating article and system comprising tobacco material
IPC: A24B15/28
Filed: 2020-05-12
Abstract: The present disclosure relates to an aerosol-generating article and system comprising a tobacco material. The present invention provides the aerosol-generating article comprising: a first part comprising a support element; a second portion comprising a tobacco element; a third portion comprising a cooling element; and a fourth portion comprising a filter element, wherein the aerosol-generating article according to the present disclosure can have a sufficient amount of nicotine transfer at a heating temperature of about 130℃.
Patent KR-20210143523-A (KR)
Title: Automatic Opening and Closing ventilation window of Shape Memory Alloy Spring Actuator With Outdoor Ventilation
IPC: E06B7/086
Filed: 2020-05-20
Abstract: The present invention relates to a multi-grill type ventilation window installed in an outdoor unit chamber which is a space partitioned in a building like an apartment to discharge, to the outside, wind heat-exchanged in an outdoor unit when an air conditioner is operated. More specifically, the present invention provides a ventilation window linked with actuation of an outdoor unit and automatically opening and closing a plurality of grill windows, in which a bias spring is coupled and assembled to a shape memory spring via a linking body, rotating when a plurality of louvers are opened and closed in link therewith, wherein the shape memory spring memorizes temperature and returns to an original shape and the bias spring closes the louvers by allowing a driving force, for automatically opening and closing the ventilation window in the outdoor unit chamber, to overcome a load required when the shape memory spring is inverse-transformed at normal temperature, and a heating body, which generates heat if power is supplied, is coupled in contact with a coil of the shape memory spring, to operate an actuator according to whether the outdoor unit is actuated by means of a power supply means supplying and blocking electricity, thereby automatically opening and closing the louvers in link therewith.
Patent KR-20200136328-A (KR)
Inventor: YOU HEECHEON
IPC: G08B21/20
Filed: 2020-05-27
Abstract: A diaper replacement time indicator of the present disclosure includes: a replacement time calculating unit attached to a diaper and measuring a change in volume of the diaper to calculate the replacement time of the diaper; and an outputting and transmitting/receiving unit configured to receive a measured result of the replacement time calculating unit as a signal and provide a notification signal.
Patent KR-20210060297-A (KR)
Inventor: ZHANG ZHIXIAN
IPC: H02J7/00
Filed: 2020-06-04
Abstract: A battery with a battery management system can charge a battery with recaptured energy from an energy recovery device. The battery management system charges the battery with the energy recovery device when an output voltage from the energy recovery device is greater than a charging voltage of the battery.
Patent KR-20210153473-A (KR)
Inventor: OH SOO CHOUL
IPC: E04B1/24
Filed: 2020-06-10
Abstract: The present invention provides a jig for mounting steel materials, comprising a frame; and one pair of adjustment screws screwed to the frame, wherein the frame includes: a first support part including a first upper surface and one end; one pair of horizontal alignment parts extending from the one end in a first direction perpendicular to the first upper surface and disposed to be spaced apart from each other in a second direction perpendicular to the first direction; one pair of adjusting screw fastening parts extending in a third direction perpendicular to the first direction and the second direction from the horizontal alignment part and disposed above the first upper surface; and a second support part extending from the one end in a direction opposite to the third direction. The second support part is disposed between the pair of horizontal alignment parts. The jig for mounting steel materials can shorten the installation work time.
Patent KR-20210154301-A (KR)
Inventor: YOON YOUNG SOO
IPC: H01L27/32
Filed: 2020-06-11
Abstract: According to one embodiment of the present invention, disclosed is a display device which comprises: a main display area in which main display elements are arranged; a component area in which auxiliary display elements and a transmissive area are disposed; and a peripheral area outside the main display area. The display device comprises: an initialization voltage line disposed on the main display area and extending in a first direction; a lower metal layer disposed in the component area and disposed between a substrate and the auxiliary display elements; and a bias line disposed in the main display area, connected to the lower metal layer, disposed on the same layer as the initialization voltage line, and extending in the first direction. In a first area around the component area of the main display area, the bias line and the initialization voltage line are alternately disposed along a second direction crossing the first direction.
Patent KR-20210156646-A (KR)
Inventor: WON SEUK LEE
IPC: B60R21/215
Filed: 2020-06-18
Abstract: The present invention relates to an emblem of an automobile, comprising: a plurality of bodies formed in a shape corresponding to an image to be shaped; a plurality of leg units extending downward from the lower surface of the body and coupled to an airbag cover; and equal to or more than one connection units connecting the plurality of bodies. Reinforcing ribs are formed in the connection unit to compensate for rigidity of each connection unit formed with a width narrower than a width of the body. Accordingly, the rigidity of a portion where the plurality of bodies included in the emblem are connected is reinforced, so that each body can be prevented from being separated from each other.
Patent KR-20220001107-A (KR)
Title: Battery charging method for electric vehicles
Inventor: PARK KYEUNG SIK
IPC: B60L53/35
Filed: 2020-06-29
Abstract: The present invention relates to a method of charging a battery of an electric vehicle. More specifically, the method can solve an inconvenience causing a household to individually charge a battery of an electric vehicle for a long time while solving issues about the difficulty and expenses of electric facility construction for additionally supplying electric power to each household, can reduce load fluctuations of a power plant by controlling charging time to disperse maximum demand concentrations of electricity consumption which can occur in the individual charging system, and can economically charge the battery by using backup power of the maximum demand or dump power of remaining time, which must be secured to prevent a blackout of a power plant producing induced electricity, thereby solving an inconvenience of electric charging, which can occur due to the use of an electric vehicle, as well as solving a blackout issue caused by a surge in demands while securing economic feasibility.
Patent KR-20220001241-A (KR)
Title: Antenna and electronic device including the same
Inventor: LEE KOOKJOO
IPC: H01Q3/26
Filed: 2020-06-29
Abstract: The present invention relates to an antenna to provide the increased inter-port isolation and/or cross-polarization characteristics, and an electronic device including the same. According to various embodiments of the present invention, the electronic device comprises: a housing including a front cover facing a first direction, a rear cover facing a second direction opposite to the front cover, and side members surrounding a space between the front cover and the rear cover; a display panel disposed in the space and disposed to be visible from the outside through the front cover; a dielectric sheet disposed between the display panel and the front cover; a first mesh pattern part formed by a plurality of first conductive lines in the dielectric sheet; and a wireless communication circuit disposed in the space and electrically connected to the first mesh pattern part. The first mesh pattern part is formed to allow the inner length of the first line passing through a first center of the first mesh pattern part and directed in a third direction to be greater than the inner length of the second line passing the first center and directed in a fourth direction perpendicular to the third direction. The first mesh pattern part includes at least one unit pattern, and the unit pattern is formed to pass through a second center of the unit pattern and allow the inner length of the third line forming an angle in the range of 0 to 45 angular degrees with the third direction passing through the second center of the unit pattern to be greater than the inner length of the fourth line perpendicular to the third line. Various other embodiments are possible.
Patent KR-20220004420-A (KR)
Title: Magnetic navigation system
Inventor: JANG GUNHEE
IPC: A61N2/02
Filed: 2020-07-03
Abstract: A magnetic navigation system is disclosed. The magnetic navigation system includes: a first magnetic field generating part; a second magnetic field generating part disposed under the first magnetic field generating part in the Z-axis direction with an operation region interposed therebetween and configured to generate a magnetic field in the operation region in combination with the first magnetic field generating part; and a moving module for moving at least one of the first magnetic field generating part and the second magnetic field generating part.
Patent KR-20220005319-A (KR)
Title: Baby safety toothbrush
Inventor: HUR HONG SUNG
IPC: A46B5/02
Filed: 2020-07-06
Abstract: Children have habits of putting everything in their mouths. A safety stopper is attached to a toothbrush so that the toothbrush does not reach deep in the throat while teeth brushing and a head of the toothbrush is prevented from being touched a floor when the toothbrush is dropped from a hand of a child.
Patent KR-20220006695-A (KR)
Title: Channel adaptive transmission method of a terminal in a wireless communication environment
Inventor: JIN SUNG GEUN
IPC: H04W28/22
Filed: 2020-07-09
Abstract: According to an embodiment of the present invention, a channel adaptive transmission method comprises the following steps of: calculating a theoretical performance value for theoretical channel transmission for a terminal to determine whether there is a channel error during data transmission in a wireless communication environment; calculating an actually measured performance value of a wireless communication terminal; and comparing a difference between the theoretical performance value and the actually measured performance value, determining whether there is a channel error, and adjusting a transmission rate by a difference value. The theoretical performance value is a theoretical transmission performance prediction value, which estimates the number of neighboring terminals in which a plurality of terminals participate in channel competition and which is generated due to the channel error in a channel competition environment in response to the estimated number of neighboring terminals.
Patent KR-20220008523-A (KR)
Title: Method and apparatus for identifing unmanned aviation vehicle
Inventor: PARK JAE CHEOL
IPC: G08G5/00
Filed: 2020-07-14
Abstract: The present invention relates to an operation method of an unmanned aviation vehicle in a communication system, which comprises the steps of: checking identification information of the unmanned aviation vehicle, and generating first binary data obtained by binarizing the identification information of the unmanned aviation vehicle; checking flight information of the unmanned aviation vehicle, and generating second binary data obtained by binarizing the flight information of the unmanned aviation vehicle; generating a frame by combining the first binary data and the second binary data; and generating a signal by modulating the frame and transmitting the signal to a terrestrial node. An area in which the first binary data and the second binary data are arranged is designated in the frame. Therefore, the performance of the communication system can be improved.
Patent KR-20210101117-A (KR)
Title: Meta-lens, image capturing lens including the meta-lens, image capturing device including the image capturing lens and electronical apparatus including the image capturing device
Inventor: PARK HYEON SOO
IPC: G02B1/00
Filed: 2020-07-14
Abstract: Provided is a meta-lens comprising: a first region including multiple first nanostructures two-dimensionally arranged in a circumferential direction and a radial direction based on a center point and distributed in accordance with a first rule; and multiple second regions surrounding the first region and including multiple second nanostructures two-dimensionally arranged in the circumferential direction and the radial direction based on the center point and distributed in accordance with a second rule, wherein a section satisfying Δw×Δp>0 and a section satisfying ΔW×Δp<0 coexist is formed in the first region and the second regions, w denoting the width of each of the multiple first nanostructures or the multiple second nanostructures and p denoting the arrangement interval in the circumferential direction between the multiple first nanostructures or the multiple second nanostructures.