baber/WOPTO huggingface dataset:
Patent KR-20210090817-A (KR)
Title: Method for estimating bone mineral density and bone structure using ultrasonic attenuation coefficient and backscatter coefficient
Inventor: LEE KANG IL
IPC: G16H50/20
Filed: 2020-01-13
Abstract: Provided is a method for estimating a bone density and a bone structure using an ultrasonic attenuation coefficient and a backscattering coefficient to increase accuracy of osteoporosis diagnosis. According to the present invention, the method comprises: a first measurement step of emitting a transmission ultrasound wave to an object to be measured by any one transducer and receiving a first reception ultrasound wave transmitted through the object to be measured by another transducer facing the one transducer; a second measurement step of emitting a transmission ultrasound wave toward the object to be measured by any one transducer and receiving a second reception ultrasound wave returned by reflecting the object to be measured; an extraction step of analyzing electrical signals of the first reception ultrasonic wave and the second reception ultrasonic wave to extract an attenuation coefficient and a backscattering coefficient for a frequency function; and an estimation step of applying the attenuation coefficient and backscattering coefficient extracted in the extraction step as independent variables to a multiple regression model, in which any one of a bone density and a bone structure of the object to be measured is a dependent variable and at least two or more variables are independent variables, to estimate the bone density and bone structure of the object to be measured.
Patent KR-20210090833-A (KR)
Title: Air conditioner
Inventor: PARK SI BEOM
IPC: F24F6/00
Filed: 2020-01-13
Abstract: The present invention provides an air conditioner to improve air environments such as air purification, humidity adjustment, and heating/cooling while sucking and discharging the indoor air. The air conditioner comprises: a main body having an inlet introducing the air and an outlet discharging the air on both ends thereof, and consisting of a pipe having a moving passage formed between the inlet and the outlet to move the air; a ventilator provided in the main body, and receiving power through a control means controlling by receiving power of a power supply unit to generate torque to form the moving pressure of the air from the inlet toward the outlet; a purification filter provided on the moving passage of the main body, and filtering foreign substances contained in the air while the air is moved therethrough to purify the air; and a humidity adjustment means provided on the moving passage of the main body to supply the moisture supplied from the outside to the moving air to adjust the humidity. The humidity adjustment means includes: a humidifying filter having air permeability to be arranged on the moving passage of the main body to move the air therethrough; and a humidifying body detachably assembled on the moving passage of the main body, having a binding groove allowing the humidifying filter to be inserted thereinto and bound thereto, and having a storage tank spatially connected to the binding groove and filled with humidifying water supplied from the outside to store the humidifying water.
Patent KR-20210091943-A (KR)
Title: Transferring unit and chucking method
Inventor: CHO KILHYUN
IPC: H01L21/67
Filed: 2020-01-15
Abstract: The present invention provides a transferring unit. The transferring unit transfers a container including a housing in which an article is accommodated and runs on a rail. The transferring unit comprises: a body having an actuator; a wheel coupled to the body and running on the rail; a grip member for chucking or unchucking a head coupled to the housing; and an elevating member that moves the grip member in a vertical direction and is coupled to the body. The grip member comprises: a plurality of grippers provided to be inserted into a space between a lower surface of the head and an upper surface of the housing to chuck the head; and a roller rotatably coupled to each of the grippers. Therefore, the transferring unit can effectively transfer an article such as a substrate or the like.
Patent KR-20210092404-A (KR)
Title: Q factor detection apparatus and method thereof
Inventor: HWANG JONG TAE
IPC: H02J50/60
Filed: 2020-01-16
Abstract: A Q factor measuring apparatus and method are disclosed. The Q factor measuring apparatus according to an embodiment includes: a resonator including an antenna; a driving circuit driving the resonator; an envelope detector detecting an envelope from antenna voltage of the resonator to output an envelope signal; an integrator calculating an area value by integrating an envelope output signal during a preset time period; and a calculator calculating a Q factor of the resonator by using the area value calculated by the integrator. Therefore, a separate resonant circuit to sense resonant characteristics in close proximity to the resonator is not required, and Q can be measured by directly using a signal observed from the antenna of the resonator.
Patent KR-20210095334-A (KR)
Title: Shock test machine and shock test method using same
Inventor: LEE JAE MIN
IPC: F41A31/00
Filed: 2020-01-23
Abstract: The present invention relates to an impact test device and an impact test method using the same, wherein the impact test device comprises: a first launch tube having a space formed therein so that a launcher is inserted thereinto; and a second launch tube having a space formed therein so that a collider is inserted therein. A first opening part is formed in one end of the first launch tube and a launcher support part is formed on the other end of the first launch tube. A second opening part is formed in one end of the second launch tube and a collider support part is formed on the other end of the second launch tube. The first launch tube and the second launch tube are arranged on the same line, and the first opening part and the second opening part are arranged to face each other. An impact test is performed by colliding the launcher ejected through the first launch tube with the collider ejected through the second launch tube, such that the impact test can be performed without mounting the collider on a collider support. Accordingly, the present invention can prevent damage to the collider support, reduce costs for maintenance, repairs and installation, and increase safety.
Patent KR-20210003037-A (KR)
Inventor: PARK WOOK
IPC: A61B10/00
Filed: 2020-01-29
Abstract: The present invention relates to a method and an apparatus for quantitative distribution of nonspherical/asymmetric magnetic particles. The method comprises the following steps: loading magnetic particles onto a hole-patterned mold in a magnetic particle storage part for storing the magnetic particles; inserting the loaded magnetic particles into patterned holes by applying magnetic force to the loaded magnetic particles through a first magnet; moving the magnetic particles inserted into the plurality of holes toward a plate through a second magnet; and separating the magnetic particles attached to the second magnet and moved to the top of the plate from the second magnet.
Patent KR-20210101362-A (KR)
Title: Disaster evacuation using swarm drones
Inventor: KIM WON TAE
IPC: B64D47/00
Filed: 2020-02-07
Abstract: A disaster evacuation guidance system for a monitoring target having a plurality of monitoring spaces disclosed in the present specification includes a plurality of drones and a server. A drone that recognizes a survivor guides the survivor according to an evacuation route supplemented based on evacuation route information and obstacle information received from the server, and drones in each monitoring space within the evacuation route take over the survivor from one another to lead the survivor to a safe place.
Patent KR-20210101466-A (KR)
Title: A brain catheter for optical coherent tomography for intra-cerebral vascular surgery and using method thereof
Inventor: JONG HA LEE
IPC: A61M25/00
Filed: 2020-02-10
Abstract: The present invention relates to a brain catheter for optical coherence tomography for an intra-cerebrovascular surgery, which can minimize a coherence phenomenon of tomography, and a method for using the same. The brain catheter of the present invention comprises: a catheter distal part having a distal braided catheter; a catheter proximal part having a proximal shaft; and a microwire for guiding a blood vessel advancing direction of the catheter distal part.
Patent KR-20210104995-A (KR)
Title: A program for implementing the method for providing order management service based on order data standardization
Inventor: ROH CHANG HYUN
IPC: G06F40/151
Filed: 2020-02-18
Abstract: According to an embodiment of the present invention, a program for executing, on a computer, a method of providing an order management service between a retail terminal, a wholesale terminal, and a purchase terminal includes the steps of: receiving and managing order form information of the retail terminal; converting the order form information into standardized order data according to preset rule setting information and processing the same; and providing the order management service between the retail terminal, the wholesale terminal, and the purchase terminal using the standardized order data, wherein the order management service includes an order book sharing service within a purchase group based on the standardized order data of the purchase terminal, and includes an interface processing step of providing an order book management interface for the order book sharing service to the purchase terminal. Accordingly, it is possible to not only improve usability and convenience, but also greatly shorten work processing time.
Patent KR-20210107424-A (KR)
Title: Torque converter
Inventor: HO UK PARK
IPC: F16H41/24
Filed: 2020-02-24
Abstract: According to the present invention, provided is a torque converter (10) including: a front cover (100) connected with an engine; an impeller (200) combined with the front cover (100) to be rotated together; a turbine (300) placed on a position opposed to the impeller (200); a stator (400) including a ring-shaped stator body (410) placed between the impeller (200) and the turbine (300), and a plurality of stator blades (420) extended outward in a radial direction from the stator body (410) and pressed by fluids coming out from the turbine (300); a fixing plate (500) placed between the impeller (200) and the stator body (410) to stop rotating, and having a front side opposed to the rear side of the stator body (410); and a friction material (600) placed between the front side of the fixing plate (500) and the rear side of the stator body (410). When the fluids coming out from the turbine (300) press a first side (42a) of the stator blades (420), the flow of the fluids presses the stator (400) backward, and the stator body (410) is suppressed from rotating due to frictional interference in the friction material (600). Thus, according to the present invention, the torque converter (10) can be easily manufactured at a low cost with a simple constitution, the torque converter (10) can be stably operated, the space of the torque converter (10) can be saved to be miniaturized, the degree of freedom in design can be improved, and lightening can also be possible.
Patent KR-20210110047-A (KR)
Title: Sliding electric sun visor device for vehicle supported by A pillar
Inventor: KIM CHANG HYUN
IPC: B60R11/02
Filed: 2020-02-28
Abstract: The present invention relates to a sliding electric sun visor apparatus for a vehicle, installed inside the vehicle to alleviate visual field defect of a driver, caused by light entering into the vehicle. The present invention operates in a slide mode not to interfere with the head of the driver when electrically operating, and is configured to be guided inside a vehicle A-pillar to minimize generation of noise and vibration due to vibration generated during driving of the vehicle. A sensor is placed on a dash board of the vehicle to detect angle, direction, and amount of the light entering into the inside from the outside so as to automatically control the sun visor.
Patent KR-20210112545-A (KR)
Title: Manufacturing method of sleeping mat for sensing sleeping status
Inventor: YOUN DEUK JONG
IPC: A61B5/11
Filed: 2020-03-05
Abstract: The present invention relates to a method for manufacturing a sleeping state detection mat, which determines a sleeping state of a sleeping person. According to the present invention, the sleeping state detection mat comprises: upper and lower covers; upper and lower cushioning materials provided on both covers, respectively; a first sensor unit and a second sensor unit provided to be laminated between both the cushioning materials to detect a sleeping state through movement of a sleeping person; and a controller electrically connected to the first and second sensor units. The first sensor unit is manufactured to generate an electromagnetic field between sensor wires connected to the controller, which are fixed by sewing by a stitch method while being arranged at regular intervals on nonwoven fabric. The second sensor unit is manufactured to allow a constant capacitance between piezoelectric wires connected to the controller, which are fixed by sewing by a stitch method while being crossed apart from each other on the nonwoven fabric. Accordingly, a sleep state of a sleeping person is detected through a change in the wavelength of the electromagnetic field in the first sensor unit and a change in the capacitance in the second sensor unit.
Patent KR-20210122456-A (KR)
Title: Apparatus for pressing the surface
Inventor: SONG JAE KEUN
IPC: B25J15/06
Filed: 2020-04-01
Abstract: The present invention provides a surface pressing apparatus, comprising: a frame; and a plurality of adsorption modules installed in the frame to be spaced apart from each other and adsorbing one surface of a sheet. A degree of movement of each adsorption module in the frame is adjusted according to a shape of the attachment surface of an object to which the sheet is attached. The present invention provides the surface pressing apparatus capable of evenly pressing the surface of a product.
Patent KR-20210123567-A (KR)
Title: Bulk-acoustic wave resonator
Inventor: LIM CHANG HYUN
IPC: H03H9/02
Filed: 2020-04-03
Abstract: Disclosed is a volumetric acoustic resonator comprising: a substrate; a first electrode disposed on the substrate; a piezoelectric layer disposed to cover at least one part of the first electrode; a second electrode disposed to cover at least one part of the piezoelectric layer; a metal pad connected to the first electrode and the second electrode; and a protective layer disposed to cover at least the metal pad. Therefore, the present invention is capable of having an effect for which a formation of a non-uniform thickness can be suppressed.
Patent KR-20210001906-A (KR)
Inventor: JOO HYEONG UK
IPC: F42B5/192
Filed: 2020-04-13
Abstract: The present invention relates to a composition of a combustible cartridge case, comprising a nitrocellulose fiber, beaten softwood kraft pulp, a resin, a water resistance enhancer, and an alkali stabilizer, and to a method for manufacturing the combustible cartridge case using the same. The present invention has an effect of improving the mechanical strength and water resistance of the combustible cartridge case, and in particular, improving the wet strength and dry strength of the combustible cartridge case.
Patent KR-20210131741-A (KR)
Title: Connector having a function as a ground or a ESD protector
IPC: H01R13/652
Filed: 2020-04-24
Abstract: A connector according to the present invention, as a connector mounted on a printed circuit board, comprises: a housing; a plurality of connector pins having one side disposed in an inner space of the housing and the other side provided to be connected to the printed circuit board; and a ground unit which is made of a metal material and is embedded in a structure of forming the housing, wherein at least one side of the ground unit is provided to be connected to a ground plane provided on the printed circuit board.
Patent KR-20200132689-A (KR)
Inventor: KIM SUNG HYUN
IPC: A47L15/24
Filed: 2020-04-24
Abstract: The present invention relates to an automated dishwashing system and, more specifically, to an automated dishwashing system comprising: a tableware and food tray input unit separating tableware and a food tray while transferring the tableware, the food tray, or the food tray including the tableware that are sequentially placed; a food tray transfer unit transferring the food tray discharged from the tableware and food tray input unit; a food tray washing unit washing the food tray transferred through the food tray transfer unit; and a food tray discharge unit discharging the food tray that has been washed in the food tray washing unit. The tableware and food tray input unit comprises: an input conveyor unit transferring the food tray including the tableware placed horizontally; an inclined separation unit having the surface on one region formed as an inclined surface on which a roller or a belt is formed to separate the tableware from the food tray while the transferred food tray including the tableware is inclined along the inclined surface; and a roller unit consisting of rollers that are horizontally disposed between the input conveyor unit and the inclined separation unit and rotate independently. Accordingly, a large amount of tableware and food trays can be separated and input quickly and accurately without errors.
Patent KR-20200060697-A (KR)
Inventor: PARK BYEOLTEO
IPC: H04N5/265
Filed: 2020-05-15
Abstract: The present invention relates to a port monitoring method performed by a computing means. According to one aspect of the present invention, the port monitoring method comprises the steps of: acquiring a first port image including at least one of a ship and the sea and a second port image having at least a part of a different monitoring area from the first port image; generating a first segmentation image and a second segmentation image by performing image segmentation; generating a first display image and a second display image using first viewpoint conversion information; generating a first converted segmentation image and a second converted segmentation image; generating a panoramic image; generating a matched segmentation image; calculating eyepiece guide information of the ship; and outputting the eyepiece guide information together with the panoramic image.
Patent KR-20210142260-A (KR)
Title: An apparatus for rfid based on rf wave interception
IPC: H05K9/00
Filed: 2020-05-18
Abstract: Provided is an RFID radio wave blocking device. The RFID radio wave blocking device (10) is configured to form an internal space shielded from the outside, and a shielding film (12) which reflects radio waves and blocks the radio waves from leaking to the outside may be provided on at least a partial region of the inner surface. Therefore, it is possible to simultaneously satisfy convenience of use and efficiency of storage.
Patent KR-20210142883-A (KR)
Title: Multi-switch open-fault diagnosis metohd of 3-phase pwm converter using ai and device for performing the same
IPC: G06N3/08
Filed: 2020-05-19
Abstract: An objective of the present invention is to provide a multi-switch open-fault diagnosis method of 3-phase PWM converter using AI capable of diagnosing open fault by applying DC components of a d-q axis stator current and total harmonic distortion (THD) of a current to an artificial neural network (ANN) of two stages, and a device for performing the same. The multi-switch open-fault diagnosis method of 3-phase PWM converter using AI comprises: acquiring DC components (I_V_dc) of a stationary coordinate system d-q axis current to estimate a THD (THD_v) of a current; applying DC components (I_V_dc) of the d-q axis current to a first artificial neural network (ANN) previously learned to group an open fault type according to a current vector angle by a plurality of sectors; and applying DC components (I_V_dc) of the d-q axis current and the THD (THD_v) of a current to a second ANN previously learned to diagnose an open-fault switch in a plurality of grouped sectors. Accordingly, the present invention diagnoses open-fault of a switch using an angle of a current vector and newly classifies 21 types of open-fault modes into 6 types using an ANN to simply and exactly diagnose open-fault of a multi-switch.
Patent KR-20210143025-A (KR)
Title: Semiconductor package using core for reverse reflow
IPC: H01L23/492
Filed: 2020-05-19
Abstract: A semiconductor package according to the technical idea of the present invention includes: a first bump pad disposed on a first substrate; a second bump pad disposed on a second substrate; a core material for reverse reflow disposed between the first bump pad and the second bump pad; and a solder member forming a solder layer on the core material for reverse reflow and contacting the first bump pad and the second bump pad. The first diameter of the first bump pad and the second diameter of the second bump pad are respectively 1.1 times or more than the third diameter of the core material for reverse reflow. The core material for reverse reflow includes a core, a first metal layer coated directly on the core and made of nickel (Ni) or cobalt (Co), and a second metal layer coated directly on the first metal layer and made of gold (Au) or platinum (Pt).
Patent KR-20210144338-A (KR)
Title: Porous member for antiviral mask and antiviral mask
IPC: D04H13/00
Filed: 2020-05-22
Abstract: The present invention provides a porous member for an antiviral mask. The porous member for an antiviral mask according to an embodiment of the present invention includes a porous base material, and an antiviral coating layer formed on at least a part of the porous base material and containing an antiviral component containing an antiviral fusion protein in which an antiviral motif is bonded to an adhesive protein. Accordingly, the porous member for an antiviral mask and the antiviral mask are excellent in antibacterial performance, washing durability, and elasticity, retain antibacterial performance and washing durability, and are capable of forestalling bacteria generation attributable to a user's saliva and re-absorption of proliferated bacteria. In addition, in the porous member for an antiviral mask and/or the antiviral mask, the provided antiviral coating layer is capable of retaining adhesion for a long time after surface attachment. Further, the antiviral coating layer does not lose the antiviral activity thereof due to external conditions during manufacturing, storage, and use and retains the activity for a long time.
Patent KR-20210149541-A (KR)
Inventor: LEE HYUN HO
IPC: H01L21/673
Filed: 2020-06-02
Abstract: The present invention relates to a batch type boat device capable of double-sided deposition of a substrate in a solar cell manufacturing device. The batch type boat device includes: a fixing unit for processing a substrate; and a mobile unit moving from the fixing unit. A plurality of fixing members and moving members on which a substrate to be processed can be seated are provided in the fixing unit and the moving unit, respectively. The moving member is provided between the plurality of fixing members. The moving member moves between the fixing members for both-side processing of the substrate.