baber/WOPTO huggingface dataset:
Patent KR-20210123122-A (KR)
Title: Channel correction multichannel transceiver and method
Inventor: YOON SUK JAE
IPC: H04B1/403
Filed: 2020-04-02
Abstract: The present invention relates to a multichannel transceiving device capable of channel correction and a method thereof. The multichannel transceiving device capable of channel correction comprises: at least one transceiving unit including a transceiving module for transmitting or receiving an RF signal through multiple channels in a normal operation mode and a BalUn module for providing an RF correction signal in an RF correction mode; a local oscillating unit configured to provide a local signal to the BalUn module; and an RF correcting unit including a weight value calculation module configured to receive a delay calibration signal, generated by providing a calibration signal to the BalUn module in the RF correction mode and delaying the calibration signal, and a weighed RF signal, generated by applying a weight value to the received RF signal so as to apply a transmitted RF signal.
Patent KR-20210127846-A (KR)
Inventor: SIN HA RANG
IPC: B32B37/06
Filed: 2020-04-14
Abstract: The present invention relates to a method for manufacturing a fabric for a mask and a bag having antibacterial, sterilizing, deodorizing, and dehumidifying functions, and an antibacterial mask and an eradication bag manufactured by the same. The method for manufacturing a fabric for a mask and a bag having antibacterial, sterilizing, deodorizing, and dehumidifying functions performs a stable joint process of a weaving fabric and a copper yarn fabric by comprising weaving the weaving fabric by dividing an antibacterial yarn (PE) having the antibacterial function and a PP yarn to be individually positioned on a surface and a back surface which are a front plate and a back plate; dot-forming an adhesive manufactured by mixing copper nano (copper powder) and resin at a constant ratio on an upper surface after weaving a basic copper yarn fabric by mixing the antibacterial yarn and the copper yarn; and heat-treating a PE yarn part which is the antibacterial yarn of the weaving fabric on an upper surface to be touched to an adhesive film after placing the adhesive film having air permeability on an upper surface of the dot-formed basic copper yarn fabric and heat-treating the same at a constant temperature. Therefore, the fabric can be used as the antibacterial mask or the eradication bag for removing harmful bacteria and blocking fine dust entering a respiratory system.
Patent KR-20200126903-A (KR)
Inventor: JOSHUA KAITZ
IPC: G03F7/34
Filed: 2020-04-15
Abstract: The present invention relates to a resist underlayer composition comprising: polyarylene ether; an additive polymer different from the polyarylene ether; and a solvent, wherein the additive polymer comprises an aromatic or heteroaromatic group having at least one protected or free functional group selected from hydroxy, thiol, and amino.
Patent KR-20210128560-A (KR)
Inventor: PARK JUN HYUN
IPC: H01L27/12
Filed: 2020-04-16
Abstract: According to one embodiment of the present invention, a display device includes: a scan line extended in a first direction; a data line and a driving voltage line extended in a second direction crossing with the first direction; a first transistor electrically connected with the driving voltage line and including a first gate electrode and a first semiconductor layer; a second transistor connected with the data line and the scan line and including a second gate electrode and a second semiconductor layer; a first capacitor electrically connected with the first transistor and including a first storage plate and a second storage plate; and a second capacitor including a third storage plate electrically connected with the first transistor and a fourth storage plate electrically connected with the second transistor. The second storage plate includes a first hole overlapped with the first storage plate, and the fourth storage plate includes a second hole overlapped with the third storage plate. The size of the second hole is different from the size of the first hole. Therefore, the present invention is capable of effectively controlling a brightness variation.
Patent KR-20210130434-A (KR)
Title: Delay locked loop circuit and semiconductor memory device having the same
IPC: H03L7/18
Filed: 2020-04-22
Abstract: Disclosed are a delay locked loop circuit and a semiconductor memory device having the same, which can reduce synchronization time. The delay locked loop circuit comprises: a first selector generating a first divided clock signal as a first reference clock signal in response to a first selection signal, and generating a second divided clock signal as the first reference clock signal in response to a second selection signal; a first delay unit generating a first clock signal by delaying the first reference clock signal by a first prescribed time in response to a code value; a second delay unit generating a second clock signal by delaying the first divided clock signal by the first prescribed time in response to the code value; a clock signal delay path unit generating an output clock signal by delaying the first clock signal by a second prescribed time; a clock signal delay replica unit generating a feedback clock signal by delaying the second clock signal by the second prescribed time; and a selection signal generator activating the first selection signal if a first edge of the feedback clock signal exists within a first period including a third prescribed time before and after a first edge of the first divided clock signal, and activating the second selection signal if the first edge of the feedback clock signal exists within a second period including the third prescribed time before and after a second edge of the first divided clock signal.
Patent KR-20210135048-A (KR)
Title: Apparatus and method for evaluating seedability of snow clouds
IPC: G01W1/10
Filed: 2020-05-04
Abstract: An apparatus and a method for evaluating a snow cloud seeding potential are disclosed. The method for evaluating a snow cloud seeding potential comprises steps of: receiving numerical model data including measurement values of a plurality of seedability evaluation factors for snow clouds; extracting the score of each evaluation element from a seeding possibility score table in which scores are mapped for each predetermined section with respect to the plurality of seedability evaluation elements, and calculating the seeding possibility score by summing the scores of each extracted evaluation element; calculating a seedability grade for the calculated seedability score by using a seedability grade table in which the seedability grade is mapped for each preset seedability score interval; and outputting the calculated seedability score and seedability grade. An object of the present invention is to provide the apparatus and method for evaluating the snow cloud seeding potential that calculate the seeding possibility in an objective and scientific way in order to determine whether to perform an artificial expansion aerial test for snow clouds occurring in a mountainous region.
Patent KR-20210135691-A (KR)
Title: Masonry brick support apparatus
IPC: E04F13/14
Filed: 2020-05-06
Abstract: The present invention relates to a masonry brick support apparatus. According to a purpose of the present invention, an outer wall insulation material is partially removed and a spacing keeping unit is inserted, and then, a support section steel is fixed to an outer wall through an anchor, wherein the spacing keeping unit is separated from the support section steel to be manufactured into a circular form, and, as a result, a hole can be drilled on the insulation material with a core drill, which can lead to a convenient installation of the spacing keeping unit, and also, the support section steel can be formed into various shapes because the spacing keeping unit and the support section steel are manufactured separately. To achieve the purpose, a support section steel is fixed to an outer wall of a building, on which an insulation material is attached, through an anchor bolt, and bricks are laid on the support section steel, wherein a hole is drilled on a part of the insulation material and a spacing keeping unit is inserted, and then, the spacing keeping unit is used to fix the support section steel to the wall with the anchor bolt. In regard to the masonry brick support apparatus, the spacing keeping unit is formed into a cylindrical shape so as to have the same outer diameter as that of the core drill for drilling the hole on the insulation material such that a circular hole part can be formed on the insulation material; and a square inner stiffener penetrated by the anchor bolt is provided in the spacing keeping unit to prevent the bending of the spacing keeping unit.
Patent KR-20210141216-A (KR)
Title: Explosion-proof filter device for gas detector
IPC: G01N1/24
Filed: 2020-05-15
Abstract: The present invention is to provide an explosion-proof filter device for a gas detector, which filters air inside a vessel, introduced into a sensor unit of the gas detector, such that contamination of the sensor unit caused by foreign substances can be prevented. That is, the present invention relates to an explosion-proof filter device for a gas detector, which filters air inside a vessel, introduced into a sensor unit of the gas detector. The explosion-proof filter device for a gas detector is characterized by comprising: a filtration chamber (10) connected to the sensor unit (2) of the gas detector (1) and provided with a filter (12) to filter air inside a vessel; a fan (20) installed inside the filtration chamber (10) and provided to suck air inside the vessel into the filtration chamber (10) and blow the air toward the sensor unit (2); and an explosion-proof drive module (30) including a motor (34) that is operated cooperatively in non-contact manner by a magnetic coupler (40) to drive the fan (20) and becomes explosion-proof by an explosion-proof housing (32). When the explosion-proof filter device for a gas detector is used, contamination of the sensor unit, caused by foreign substances, can be prevented, and the fan and motor are connected in a physically non-contact manner by the magnetic coupler in a state being isolated in separate spaces such that explosion-proof stability in an explosion-proof area in the vessel is highly improved, and in particular, foreign substances accumulated in the filter can be easily self-cleaned by a back flushing method.
Patent KR-20210145586-A (KR)
Inventor: SEO CHUNG KYO
IPC: B63J99/00
Filed: 2020-05-25
Abstract: The present invention relates to a gas combustion unit and a ship having the same, which can reduce various material costs and increase space utilization. According to the present invention, the gas combustion unit is installed in a multi-level structure installed on an upper deck and consisting of a deck-A, a deck-B, and a deck-C, and comprises: a combustion chamber installed in an air box provided between the deck-B and the deck-C, and combusting surplus evaporation gas to discharge the surplus evaporation gas through a chimney; a diluted air supply part installed on the deck-B, arranged on both sides of the air box, and supplying air for dilution for diluting the surplus evaporation gas; a burner installed on the deck-A, and combusting the surplus evaporation gas; a combustion air supply part installed on the deck-A, arranged on both sides of the burner, and supplying air for combustion for combusting the surplus evaporation gas; and a pressure control chamber fixed and installed underneath the deck-B, and connecting the combustion chamber and the burner.
Patent KR-20210152313-A (KR)
Inventor: KWON KYUNG WOOK
IPC: C08G73/10
Filed: 2020-06-08
Abstract: The present invention provides an optical film and a film body in which the appearance quality defects occurring during storage are resolved by solving the thin film interference caused by the winding defect of the optical film. The optical film is measured by measuring the initial electrostatic value (kV) at 10 randomly selected sites, the peeling electrostatic value (kV) is measured at 10 randomly selected sites on the surface within 1 minute, and then an applied charging parameter value of the optical film calculated by the following equation 1 is 0.0005 to 0.0035, wherein the equation 1 is (Sp - S_r)*(Sp - T)*D/|L*(S_r - T)|.
Patent KR-20210157123-A (KR)
Inventor: PARK SUNG HYUN
IPC: F17D1/04
Filed: 2020-06-19
Abstract: A step-up prevention device for a tightness test is disclosed. A valve assembly in which a valve seat is formed at one end of the present invention moves up and down by the movement of a diaphragm, and a step-up prevention device operating to open and close the inlet/outlet nozzle formed at the lower portion of the diaphragm is provided on an upper part of the step-up prevention device so that the valve assembly is configured to be forcibly lowered to operate so that the inlet and outlet nozzles are forcibly opened. Thus, airtightness inspection is carried out after product installation, and the step-up prevention device can be put into normal use immediately after the airtight inspection is completed. Since no extra time is required for the airtightness inspection, there is an effect that the tightness test can be easily performed without incurring additional costs. The step-up prevention device is provided with a module for air tightness inspection which comprises a cover, a pin hole, a rod, and a fixing clip.
Patent KR-20220000545-A (KR)
Title: Fuel cell vehicle
Inventor: LEE JU HYEOP
IPC: B62D21/08
Filed: 2020-06-26
Abstract: A fuel cell vehicle according to an embodiment comprises: a battery disposed in a first space; a radiator disposed in a second space adjacent to the first space in a second direction intersecting a first direction that is a vehicle driving direction; and at least one fuel cell unit disposed in a third space adjacent to the first space and the second space while being spaced apart from the second space in the second direction with the first space interposed therebetween. The present invention provides the fuel cell vehicle which is efficiently equipped with the fuel cell.
Patent KR-20220000550-A (KR)
Title: Cover opening and closing equipment for access hole of streetlight pole
Inventor: PARK YOUNG HYUN
IPC: E04H12/00
Filed: 2020-06-26
Abstract: The present invention relates to a cover opening/closing device for an access hole of a streetlight pole, capable of conveniently and easily opening and closing an access hole cover during an inspection on a streetlight pole. In accordance with the present invention, the device for opening and closing an access hole of a streetlight pole includes: a guide part fixed to an inner part of a lower edge of the access hole of the streetlight pole, and having a guide hole; a screw hole formed above the access hole; a locking screw coupled with the screw hole; a knuckle part fixed to an inner part of a lower edge of the cover; a connection pin mounted in the bottom of the knuckle part, and connecting the guide part with the knuckle part while moving along the guide hole; a locking hole formed in an upper part of the cover to limit the opening/closing of the cover with interference in contact with the locking screw, and causing interference in contact with the locking screw in a state in which the connection pin is dropped along the guide hole due to the self-load of the cover; and an unlocking hole formed in a lower part of the locking hole and connected to the locking hole such that interference in contact with the locking screw does not occur, and releasing the interference in contact with the locking screw in a state in which the connection pin is lifted along the guide hole as the cover is pushed upward.
Patent KR-20220001901-A (KR)
Title: Finger grip intergrated smart device case
Inventor: PARK JIN KYU
IPC: A45F5/00
Filed: 2020-06-30
Abstract: The present invention relates to a finger grip of a smart terminal and especially relates to a smart terminal case integrated finger grip which hardly protrudes from a start terminal case as if the finger grip is integrated with the smart terminal. The finger grip is composed of a case, a band assembly, a fixing sheet, and an adhesion tape.
Patent KR-20220003375-A (KR)
Title: Multi-purpose silicon capsule
Inventor: LEE GA RYANG
IPC: A01K1/01
Filed: 2020-07-01
Abstract: The present invention relates to a multipurpose silicone capsule which includes a ring to facilitate mounting and carrying, and is made of silicone to be light, be easy to change shape, and be not easily damaged, so that environmental aspect and safety are increased, thereby solving a problem of being easily damaged due to being made of a plastic material, an environmental problem of being incapable of recycling, and a problem of being easily damaged by pets. According to the present invention, a pet feces bag capsule and a plastic raincoat ball comprises a circular ring allowing attachment and detachment of a carabiner and enabling a user to easily mount the capsule to a predetermined position and carry the capsule, and is made of silicone unlike other products, thereby being easy to change shape, being light, and facilitating carrying.
Patent KR-20220006218-A (KR)
Inventor: PARK EUN SOO
IPC: B22F3/15
Filed: 2020-07-08
Abstract: The purpose of the present invention is to provide a high-efficiency Zr alloy-based cylinder target, wherein the present invention is to provide a Zr alloy-based cylinder target bonded to a bag tube through sintering without indium bonding. The present invention is to prevent the problem of melting indium bonding during a process and to solve the problem of target stress caused by the difference in thermal expansion coefficients between the Zr-based alloy and the bag tube. According to the purpose, the present invention selects a Ti-based material with a similar thermal expansion coefficient as the Zr alloy as the bag tube, manufactures and places a stainless steel can to surround the bag tube, puts Zr alloy powder in the can, performs hot isostatic pressure (HIP) sintering to bond a Zr alloy target to the Ti-based bag tube, and removes the can, thereby manufacturing the Zr alloy-based cylinder target.
Patent KR-20220006782-A (KR)
Inventor: KWON SE HAN
IPC: H01L27/108
Filed: 2020-07-09
Abstract: Embodiments of the present invention provide a semiconductor device capable of securing an overlay margin between a storage node and a storage node contact plug while securing a process margin by omitting the connection structure between the storage node and the storage node contact plug and a manufacturing method thereof. The semiconductor device comprises: a storage node contact hole provided between bit line structures; a first plug filling the bottom of the storage node contact hole; a second plug protruding from the first plug; an insulating layer spacer covering one sidewall of the second plug; and a storage node positioned at a higher level than the second plug and including an extension part in contact with the other side wall of the second plug and a portion of an upper surface of the first plug.
Patent KR-20220006945-A (KR)
Inventor: PARK HYEONG BIN
IPC: F21V23/04
Filed: 2020-07-09
Abstract: The present invention relates to an outdoor lighting device for preventing light pollution. The present invention comprises: a post supported on the ground and extending upward; a housing installed on the post and formed to have an internal space; a plurality of light-emitting modules which are installed in the internal space of the housing to be spaced apart from each other along a first direction, and emit light downward, wherein rotating angles of the plurality of light-emitting modules can be adjusted with respect to a second direction orthogonal to the first direction; a light distribution angle adjusting unit capable of adjusting a light distribution angle by rotation based on the second direction of each light-emitting module; a motion detection sensor which detects a motion of a surrounding area where the post is installed; an illuminance sensor which detects the ambient illuminance; and a light emission control unit which controls, when the illuminance detected by the illuminance sensor corresponds to a night mode and a set energy control time zone and a motion is not detected by the motion sensor, the light-emitting modules so that the amount of light emitted from the light-emitting modules is reduced by the set down ratio. According to the outdoor lighting device for preventing light pollution, rotation angles of the plurality of light-emitting modules can be conveniently adjusted respectively and independently according to an installation environment so as to prevent occurrence of light pollution and at night, lighting conditions can be adjusted according to whether a motion is detected so as to achieve energy saving.
Patent KR-20210008319-A (KR)
Inventor: SAYCE IAN GEORGE
IPC: C03C1/02
Filed: 2020-07-10
Abstract: Disclosed is a process for the purification of a quartz powder, comprising a step of separating microparticles of refractory minerals, in particular minerals containing rare earth metal compounds, from the quartz powder by means of an elutriation step. A purpose of the present invention is to provide a method for purifying the quartz powder in which refractory mineral microparticles are efficiently removed.
Patent KR-20220007951-A (KR)
Inventor: KIM JONGCHAN
IPC: B32B27/28
Filed: 2020-07-13
Abstract: The present invention relates to a polyimide precursor, a polyimide precursor solution, a polyimide film, a method for manufacturing the same, and a use thereof. According to the present invention, it is possible to provide a polyimide film which can have excellent heat resistance and satisfies transparency and a low coefficient of linear thermal expansion, and thus the film can be usefully applicable in a flexible display field and the like which require high dimensional stability.
Patent KR-20220013175-A (KR)
Title: Filter Change Typr Oral irrigator
Inventor: LEE SEOK WON
IPC: A62B23/02
Filed: 2020-07-24
Abstract: Disclosed is a water-repellent coating mask for blocking droplets and reducing virus inflow. According to the present invention, the water-repellent coating mask comprises: a pad part provided to wrap around the nose and mouth of a user, wherein a water-repellent coating layer is formed on the outer surface exposed to the outside to block droplets and an inner surface in contact with the wearer's face has a moisture absorption function; and ear straps formed of elastic cords, and connected to both ends of the pad part to be hung on both ears of the wearer. Accordingly, since the pad part is made by weaving one of the yarns having functions such as cooling, heating, and the like and an antibacterial yarn having antibacterial properties, a mask providing coolness and warmth depending on the season can be provided. In particular, a water-repellent coating is applied to the pad part to prevent droplets including pathogenic infectious bacteria such as COVID-19 from entering the user's respiratory tract when breathing, thereby providing an advantage of preventing risk of infection. In particular, the water-repellent coating mask for blocking droplets and reducing virus inflow can be washed and reused after use, thereby providing an effect of reducing financial burden. In addition, the mask is woven with synthetic yarn to be quickly dried after washing in a washroom at any time after use, thereby providing an effect of being always used hygienically.